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RetroZilla/layout/generic/nsObjectFrame.cpp
Ryan Nematz 2f2ae146c0 first commit
2015-10-20 23:03:22 -04:00

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:set ts=2 sts=2 sw=2 et cin:
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
* Jacek Piskozub <piskozub@iopan.gda.pl>
* Leon Sha <leon.sha@sun.com>
* Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
* Robert O'Callahan <roc+moz@cs.cmu.edu>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nscore.h"
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "nsHTMLParts.h"
#include "nsHTMLContainerFrame.h"
#include "nsPresContext.h"
#include "nsIPresShell.h"
#include "nsStyleSet.h"
#include "nsWidgetsCID.h"
#include "nsIView.h"
#include "nsIViewManager.h"
#include "nsIDOMKeyListener.h"
#include "nsIPluginHost.h"
#include "nsplugin.h"
#include "nsString.h"
#include "nsReadableUtils.h"
#include "prmem.h"
#include "nsHTMLAtoms.h"
#include "nsIDocument.h"
#include "nsIHTMLDocument.h"
#include "nsINodeInfo.h"
#include "nsIPluginElement.h"
#include "nsIURL.h"
#include "nsNetUtil.h"
#include "nsIPluginInstanceOwner.h"
#include "nsISupportsArray.h"
#include "plstr.h"
#include "nsILinkHandler.h"
#ifdef OJI
#include "nsIJVMPluginTagInfo.h"
#endif
#include "nsINameSpaceManager.h"
#include "nsIEventListener.h"
#include "nsIScrollableView.h"
#include "nsIScrollPositionListener.h"
#include "nsIStringStream.h" // for NS_NewCharInputStream
#include "nsITimer.h"
#include "nsLayoutAtoms.h"
#include "nsIDocShellTreeItem.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIWebNavigation.h"
#include "nsIWebNavigationInfo.h"
#include "nsDocShellCID.h"
#include "nsIWebBrowserChrome.h"
#include "nsIDOMElement.h"
#include "nsIDOMNodeList.h"
#include "nsIDOMHTMLObjectElement.h"
#include "nsIDOMHTMLEmbedElement.h"
#include "nsIDOMHTMLAppletElement.h"
#include "nsIDOMElementCSSInlineStyle.h"
#include "nsIDOMCSSStyleDeclaration.h"
#include "nsIDOMCSS2Properties.h"
#include "nsContentPolicyUtils.h"
#include "nsIDOMWindow.h"
#include "nsIDOMDocumentEvent.h"
#include "nsIDOMMouseListener.h"
#include "nsIDOMMouseMotionListener.h"
#include "nsIDOMFocusListener.h"
#include "nsIDOMContextMenuListener.h"
#include "nsIDOMDragListener.h"
#include "nsIDOMEventReceiver.h"
#include "nsIDOMNSEvent.h"
#include "nsITextContent.h"
#include "nsIPrivateDOMEvent.h"
#include "nsIDocumentEncoder.h"
#include "nsXPIDLString.h"
#include "nsIDOMRange.h"
#include "nsIPluginWidget.h"
#include "nsGUIEvent.h"
#include "nsIRenderingContext.h"
#include "npapi.h"
#include "nsGfxCIID.h"
#include "nsUnicharUtils.h"
#include "nsTransform2D.h"
#include "nsIImageLoadingContent.h"
#include "nsPIDOMWindow.h"
#include "nsContentUtils.h"
#include "nsIStringBundle.h"
// headers for plugin scriptability
#include "nsIScriptGlobalObject.h"
#include "nsIScriptContext.h"
#include "nsIXPConnect.h"
#include "nsIXPCScriptable.h"
#include "nsIClassInfo.h"
#include "jsapi.h"
// XXX For temporary paint code
#include "nsStyleContext.h"
// For mime types
#include "nsMimeTypes.h"
#include "nsIMIMEService.h"
#include "nsCExternalHandlerService.h"
#include "imgILoader.h"
#include "nsObjectFrame.h"
#include "nsIObjectFrame.h"
#include "nsPluginNativeWindow.h"
#include "nsPIPluginHost.h"
#include "nsIPluginDocument.h"
// accessibility support
#ifdef ACCESSIBILITY
#include "nsIAccessibilityService.h"
#endif
#ifdef MOZ_LOGGING
#define FORCE_PR_LOG 1 /* Allow logging in the release build */
#endif /* MOZ_LOGGING */
#include "prlog.h"
#include <errno.h>
#include "nsContentCID.h"
static NS_DEFINE_CID(kRangeCID, NS_RANGE_CID);
/* X headers suck */
#ifdef KeyPress
#undef KeyPress
#endif
#ifdef XP_WIN
#include <wtypes.h>
#include <winuser.h>
#endif
#ifdef CreateEvent // Thank you MS.
#undef CreateEvent
#endif
#ifdef PR_LOGGING
static PRLogModuleInfo *nsObjectFrameLM = PR_NewLogModule("nsObjectFrame");
#endif /* PR_LOGGING */
// True if the default plugin is disabled. Initialize to non-boolean
// value so that we know if we've checked the pref or not.
static PRBool sDefaultPluginDisabled = 0xffffffff;
// special class for handeling DOM context menu events because for
// some reason it starves other mouse events if implemented on the
// same class
class nsPluginDOMContextMenuListener : public nsIDOMContextMenuListener,
public nsIEventListener
{
public:
nsPluginDOMContextMenuListener();
virtual ~nsPluginDOMContextMenuListener();
NS_DECL_ISUPPORTS
NS_IMETHOD ContextMenu(nsIDOMEvent* aContextMenuEvent);
nsresult Init(nsObjectFrame *aFrame);
nsresult Destroy(nsObjectFrame *aFrame);
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent)
{
return NS_OK;
}
nsEventStatus ProcessEvent(const nsGUIEvent& anEvent)
{
return nsEventStatus_eConsumeNoDefault;
}
};
class nsPluginInstanceOwner : public nsIPluginInstanceOwner,
public nsIPluginTagInfo2,
#ifdef OJI
public nsIJVMPluginTagInfo,
#endif
public nsIEventListener,
public nsITimerCallback,
public nsIDOMMouseListener,
public nsIDOMMouseMotionListener,
public nsIDOMKeyListener,
public nsIDOMFocusListener,
public nsIScrollPositionListener,
public nsIDOMDragListener
{
public:
nsPluginInstanceOwner();
virtual ~nsPluginInstanceOwner();
NS_DECL_ISUPPORTS
//nsIPluginInstanceOwner interface
NS_IMETHOD SetInstance(nsIPluginInstance *aInstance);
NS_IMETHOD GetInstance(nsIPluginInstance *&aInstance);
NS_IMETHOD GetWindow(nsPluginWindow *&aWindow);
NS_IMETHOD GetMode(nsPluginMode *aMode);
NS_IMETHOD CreateWidget(void);
NS_IMETHOD GetURL(const char *aURL, const char *aTarget, void *aPostData,
PRUint32 aPostDataLen, void *aHeadersData,
PRUint32 aHeadersDataLen, PRBool isFile = PR_FALSE);
NS_IMETHOD ShowStatus(const char *aStatusMsg);
NS_IMETHOD ShowStatus(const PRUnichar *aStatusMsg);
NS_IMETHOD GetDocument(nsIDocument* *aDocument);
NS_IMETHOD InvalidateRect(nsPluginRect *invalidRect);
NS_IMETHOD InvalidateRegion(nsPluginRegion invalidRegion);
NS_IMETHOD ForceRedraw();
NS_IMETHOD GetValue(nsPluginInstancePeerVariable variable, void *value);
NS_IMETHOD PluginNotAvailable(const char *aMimeType);
//nsIPluginTagInfo interface
NS_IMETHOD GetAttributes(PRUint16& n, const char*const*& names,
const char*const*& values);
NS_IMETHOD GetAttribute(const char* name, const char* *result);
//nsIPluginTagInfo2 interface
NS_IMETHOD GetTagType(nsPluginTagType *result);
NS_IMETHOD GetTagText(const char* *result);
NS_IMETHOD GetParameters(PRUint16& n, const char*const*& names, const char*const*& values);
NS_IMETHOD GetParameter(const char* name, const char* *result);
NS_IMETHOD GetDocumentBase(const char* *result);
NS_IMETHOD GetDocumentEncoding(const char* *result);
NS_IMETHOD GetAlignment(const char* *result);
NS_IMETHOD GetWidth(PRUint32 *result);
NS_IMETHOD GetHeight(PRUint32 *result);
NS_IMETHOD GetBorderVertSpace(PRUint32 *result);
NS_IMETHOD GetBorderHorizSpace(PRUint32 *result);
NS_IMETHOD GetUniqueID(PRUint32 *result);
NS_IMETHOD GetDOMElement(nsIDOMElement* *result);
#ifdef OJI
//nsIJVMPluginTagInfo interface
NS_IMETHOD GetCode(const char* *result);
NS_IMETHOD GetCodeBase(const char* *result);
NS_IMETHOD GetArchive(const char* *result);
NS_IMETHOD GetName(const char* *result);
NS_IMETHOD GetMayScript(PRBool *result);
#endif /* OJI */
/** nsIDOMMouseListener interfaces
* @see nsIDOMMouseListener
*/
NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent);
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
/* END interfaces from nsIDOMMouseListener*/
// nsIDOMMouseListener intefaces
NS_IMETHOD MouseMove(nsIDOMEvent* aMouseEvent);
NS_IMETHOD DragMove(nsIDOMEvent* aMouseEvent) { return NS_OK; }
// nsIDOMKeyListener interfaces
NS_IMETHOD KeyDown(nsIDOMEvent* aKeyEvent);
NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent);
NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent);
// end nsIDOMKeyListener interfaces
// nsIDOMFocuListener interfaces
NS_IMETHOD Focus(nsIDOMEvent * aFocusEvent);
NS_IMETHOD Blur(nsIDOMEvent * aFocusEvent);
// nsIDOMDragListener interfaces
NS_IMETHOD DragEnter(nsIDOMEvent* aMouseEvent);
NS_IMETHOD DragOver(nsIDOMEvent* aMouseEvent);
NS_IMETHOD DragExit(nsIDOMEvent* aMouseEvent);
NS_IMETHOD DragDrop(nsIDOMEvent* aMouseEvent);
NS_IMETHOD DragGesture(nsIDOMEvent* aMouseEvent);
nsresult Destroy();
//nsIEventListener interface
nsEventStatus ProcessEvent(const nsGUIEvent & anEvent);
void Paint(const nsRect& aDirtyRect, PRUint32 ndc = 0);
// nsITimerCallback interface
NS_DECL_NSITIMERCALLBACK
void CancelTimer();
void StartTimer();
// nsIScrollPositionListener interface
NS_IMETHOD ScrollPositionWillChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY);
NS_IMETHOD ScrollPositionDidChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY);
//locals
NS_IMETHOD Init(nsPresContext *aPresContext, nsObjectFrame *aFrame);
nsPluginPort* GetPluginPort();
void ReleasePluginPort(nsPluginPort * pluginPort);
void SetPluginHost(nsIPluginHost* aHost);
#if defined(XP_MAC) || defined(XP_MACOSX)
nsPluginPort* FixUpPluginWindow(PRInt32 inPaintState);
void GUItoMacEvent(const nsGUIEvent& anEvent, EventRecord* origEvent, EventRecord& aMacEvent);
void Composite();
#endif
private:
nsPluginNativeWindow *mPluginWindow;
nsCOMPtr<nsIPluginInstance> mInstance;
nsObjectFrame *mOwner;
nsCString mDocumentBase;
char *mTagText;
nsCOMPtr<nsIWidget> mWidget;
nsPresContext *mContext;
nsCOMPtr<nsITimer> mPluginTimer;
nsCOMPtr<nsIPluginHost> mPluginHost;
PRPackedBool mContentFocused;
PRPackedBool mWidgetVisible; // used on Mac to store our widget's visible state
PRUint16 mNumCachedAttrs;
PRUint16 mNumCachedParams;
char **mCachedAttrParamNames;
char **mCachedAttrParamValues;
nsPluginDOMContextMenuListener * mCXMenuListener; // pointer to wrapper for nsIDOMContextMenuListener
nsresult DispatchKeyToPlugin(nsIDOMEvent* aKeyEvent);
nsresult DispatchMouseToPlugin(nsIDOMEvent* aMouseEvent);
nsresult DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent);
nsresult EnsureCachedAttrParamArrays();
PRPackedBool mInDispatchFocus; // Used in DispatchFocusToPlugin()
};
#if defined(XP_WIN) || (defined(DO_DIRTY_INTERSECT) && (defined(XP_MAC) || defined(XP_MACOSX)))
static void ConvertTwipsToPixels(nsPresContext& aPresContext, nsRect& aTwipsRect, nsRect& aPixelRect);
#endif
// Mac specific code to fix up port position and clip during paint
#if defined(XP_MAC) || defined(XP_MACOSX)
#ifdef DO_DIRTY_INTERSECT
// convert relative coordinates to absolute
static void ConvertRelativeToWindowAbsolute(nsIFrame* aFrame, nsPoint& aRel, nsPoint& aAbs, nsIWidget *&aContainerWidget);
#endif
enum { ePluginPaintIgnore, ePluginPaintEnable, ePluginPaintDisable };
#endif // XP_MAC
nsObjectFrame::~nsObjectFrame()
{
}
NS_IMETHODIMP
nsObjectFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
NS_ENSURE_ARG_POINTER(aInstancePtr);
*aInstancePtr = nsnull;
#ifdef DEBUG
if (aIID.Equals(NS_GET_IID(nsIFrameDebug))) {
*aInstancePtr = NS_STATIC_CAST(nsIFrameDebug*,this);
return NS_OK;
}
#endif
if (aIID.Equals(NS_GET_IID(nsIObjectFrame))) {
*aInstancePtr = NS_STATIC_CAST(nsIObjectFrame*,this);
return NS_OK;
} else if (aIID.Equals(NS_GET_IID(nsIFrame))) {
*aInstancePtr = NS_STATIC_CAST(nsIFrame*,this);
return NS_OK;
} else if (aIID.Equals(NS_GET_IID(nsISupports))) {
*aInstancePtr = NS_STATIC_CAST(nsIObjectFrame*,this);
return NS_OK;
}
return NS_NOINTERFACE;
}
NS_IMETHODIMP_(nsrefcnt) nsObjectFrame::AddRef(void)
{
NS_WARNING("not supported for frames");
return 1;
}
NS_IMETHODIMP_(nsrefcnt) nsObjectFrame::Release(void)
{
NS_WARNING("not supported for frames");
return 1;
}
#ifdef ACCESSIBILITY
NS_IMETHODIMP nsObjectFrame::GetAccessible(nsIAccessible** aAccessible)
{
nsCOMPtr<nsIAccessibilityService> accService = do_GetService("@mozilla.org/accessibilityService;1");
if (accService) {
return accService->CreateHTMLObjectFrameAccessible(this, aAccessible);
}
return NS_ERROR_FAILURE;
}
#ifdef XP_WIN
NS_IMETHODIMP nsObjectFrame::GetPluginPort(HWND *aPort)
{
*aPort = (HWND) mInstanceOwner->GetPluginPort();
return NS_OK;
}
#endif
#endif
static NS_DEFINE_CID(kWidgetCID, NS_CHILD_CID);
static NS_DEFINE_CID(kCAppShellCID, NS_APPSHELL_CID);
static NS_DEFINE_CID(kCPluginManagerCID, NS_PLUGINMANAGER_CID);
PRIntn
nsObjectFrame::GetSkipSides() const
{
return 0;
}
// #define DO_DIRTY_INTERSECT 1 // enable dirty rect intersection during paint
static PRBool
IsSupportedImage(const nsCString& aMimeType)
{
nsCOMPtr<imgILoader> loader(do_GetService("@mozilla.org/image/loader;1"));
PRBool supported;
nsresult rv = loader->SupportImageWithMimeType(aMimeType.get(), &supported);
return NS_SUCCEEDED(rv) && supported;
}
static PRBool
IsSupportedDocument(nsIContent* aOurContent,
const nsCString& aMimeType)
{
nsresult rv;
// only allow browser to handle content of <embed> for svg (bug 240408)
if (aOurContent->Tag() == nsHTMLAtoms::embed)
#ifdef MOZ_SVG
if (!aMimeType.LowerCaseEqualsLiteral("image/svg+xml"))
#endif
return PR_FALSE;
nsCOMPtr<nsIWebNavigationInfo> info(
do_GetService(NS_WEBNAVIGATION_INFO_CONTRACTID, &rv));
PRUint32 supported;
if (info) {
nsCOMPtr<nsIWebNavigation> webNav =
do_GetInterface(aOurContent->GetCurrentDoc()->GetScriptGlobalObject());
rv = info->IsTypeSupported(aMimeType, webNav, &supported);
}
return NS_SUCCEEDED(rv) &&
supported != nsIWebNavigationInfo::UNSUPPORTED &&
supported != nsIWebNavigationInfo::PLUGIN;
}
nsresult
nsObjectFrame::GetMIMEType(nsACString& aType)
{
nsAutoString type;
nsresult rv = mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::type, type);
if (rv != NS_CONTENT_ATTR_HAS_VALUE || type.IsEmpty()) {
// if we don't have a TYPE= try getting the mime-type via the DATA= url
nsAutoString data;
// If this is an OBJECT tag, we should look for a DATA attribute.
// If not, it's an EMBED tag, and so we should look for a SRC attribute.
if (mContent->Tag() == nsHTMLAtoms::object)
rv = mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::data, data);
else
rv = mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::src, data);
if (rv != NS_CONTENT_ATTR_HAS_VALUE || data.IsEmpty()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsCOMPtr<nsIURI> uri;
nsCOMPtr<nsIURI> baseURI = mContent->GetBaseURI();
rv = NS_NewURI(getter_AddRefs(uri), data, mContent->GetOwnerDoc()->GetDocumentCharacterSet().get(), baseURI);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIMIMEService> mimeService = do_GetService(NS_MIMESERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv))
return rv;
nsXPIDLCString contentType;
rv = mimeService->GetTypeFromURI(uri, contentType);
if (NS_FAILED(rv) || contentType.IsEmpty())
return NS_ERROR_NOT_AVAILABLE;
aType = contentType;
} else {
CopyUTF16toUTF8(type, aType);
}
return NS_OK;
}
NS_IMETHODIMP
nsObjectFrame::SetInitialChildList(nsPresContext* aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList)
{
// we don't want to call this if it is already set (image)
nsresult rv = NS_OK;
if (mFrames.IsEmpty())
rv = nsObjectFrameSuper::SetInitialChildList(aPresContext, aListName, aChildList);
return rv;
}
static void
FirePluginNotFoundEvent(nsIContent *aTarget)
{
nsCOMPtr<nsIDOMDocumentEvent> eventDoc =
do_QueryInterface(aTarget->GetDocument());
nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(aTarget));
if (eventDoc) {
nsCOMPtr<nsIDOMEvent> event;
nsresult rv = eventDoc->CreateEvent(NS_LITERAL_STRING("Events"),
getter_AddRefs(event));
if (NS_SUCCEEDED(rv)) {
rv = event->InitEvent(NS_LITERAL_STRING("PluginNotFound"), PR_TRUE,
PR_TRUE);
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(event));
privateEvent->SetTrusted(PR_TRUE);
PRBool defaultActionEnabled;
target->DispatchEvent(event, &defaultActionEnabled);
}
}
}
}
NS_IMETHODIMP
nsObjectFrame::Init(nsPresContext* aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsStyleContext* aContext,
nsIFrame* aPrevInFlow)
{
#ifdef DEBUG
mInstantiating = PR_FALSE;
#endif
mIsBrokenPlugin = PR_FALSE;
if (sDefaultPluginDisabled == (PRBool)0xffffffff) {
sDefaultPluginDisabled =
nsContentUtils::GetBoolPref("plugin.default_plugin_disabled");
}
nsresult rv = nsObjectFrameSuper::Init(aPresContext, aContent, aParent,
aContext, aPrevInFlow);
if (NS_FAILED(rv))
return rv;
// Find our content type
nsCAutoString type;
rv = GetMIMEType(type);
// If that fails, just return and render nothing.
if (NS_FAILED(rv))
return NS_OK;
// Ideally this should move to Reflow when the stream starts to come
if (IsSupportedImage(type)) {
// kick off the image load in the content node
// XXX once this moves to somewhere where we have the data stream,
// we should have a way to load images with a channel....
nsCOMPtr<nsIImageLoadingContent> imageLoader = do_QueryInterface(aContent);
if (!imageLoader) {
NS_ERROR("Not an image loading content?");
return NS_ERROR_UNEXPECTED;
}
nsAutoString data;
// If this is an OBJECT tag, we should look for a DATA attribute.
// If not, it's an EMBED tag, and so we should look for a SRC attribute.
if (aContent->Tag() == nsHTMLAtoms::object)
rv = aContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::data, data);
else
rv = aContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::src, data);
imageLoader->ImageURIChanged(data);
nsIFrame * aNewFrame = nsnull;
rv = NS_NewImageFrame(aPresContext->PresShell(), &aNewFrame);
if (NS_FAILED(rv))
return rv;
// XXX we're using the same style context for ourselves and the
// image frame. If this ever changes, please fix HandleChild() to deal.
rv = aNewFrame->Init(aPresContext, aContent, this, aContext, aPrevInFlow);
if (NS_SUCCEEDED(rv)) {
nsHTMLContainerFrame::CreateViewForFrame(aNewFrame, nsnull, PR_FALSE);
mFrames.AppendFrame(this, aNewFrame);
}
else
aNewFrame->Destroy(aPresContext);
return rv; // bail at this point
}
// for now, we should try to do the same for "document" types and
// create an iframe-like sub-frame
if (IsSupportedDocument(aContent, type)) {
nsIFrame * aNewFrame = nsnull;
rv = NS_NewSubDocumentFrame(aPresContext->PresShell(), &aNewFrame);
if (NS_FAILED(rv))
return rv;
// XXX we're using the same style context for ourselves and the
// iframe. If this ever changes, please fix HandleChild() to deal.
rv = aNewFrame->Init(aPresContext, aContent, this, aContext, aPrevInFlow);
if (NS_SUCCEEDED(rv)) {
nsHTMLContainerFrame::CreateViewForFrame(aNewFrame, nsnull, PR_FALSE);
mFrames.AppendFrame(this, aNewFrame);
} else {
aNewFrame->Destroy(aPresContext);
}
}
return rv;
}
NS_IMETHODIMP
nsObjectFrame::Destroy(nsPresContext* aPresContext)
{
NS_ASSERTION(!mInstantiating, "about to crash due to bug 136927");
// we need to finish with the plugin before native window is destroyed
// doing this in the destructor is too late.
if (mInstanceOwner != nsnull) {
nsCOMPtr<nsIPluginInstance> inst;
mInstanceOwner->GetInstance(*getter_AddRefs(inst));
if (inst) {
nsPluginWindow *win;
mInstanceOwner->GetWindow(win);
nsPluginNativeWindow *window = (nsPluginNativeWindow *)win;
nsCOMPtr<nsIPluginInstance> nullinst;
PRBool doCache = PR_TRUE;
PRBool doCallSetWindowAfterDestroy = PR_FALSE;
// first, determine if the plugin wants to be cached
inst->GetValue(nsPluginInstanceVariable_DoCacheBool,
(void *) &doCache);
if (!doCache) {
// then determine if the plugin wants Destroy to be called after
// Set Window. This is for bug 50547.
inst->GetValue(nsPluginInstanceVariable_CallSetWindowAfterDestroyBool,
(void *) &doCallSetWindowAfterDestroy);
if (doCallSetWindowAfterDestroy) {
inst->Stop();
inst->Destroy();
if (window)
window->CallSetWindow(nullinst);
else
inst->SetWindow(nsnull);
}
else {
if (window)
window->CallSetWindow(nullinst);
else
inst->SetWindow(nsnull);
inst->Stop();
inst->Destroy();
}
}
else {
if (window)
window->CallSetWindow(nullinst);
else
inst->SetWindow(nsnull);
inst->Stop();
}
nsCOMPtr<nsIPluginHost> pluginHost = do_GetService(kCPluginManagerCID);
if (pluginHost)
pluginHost->StopPluginInstance(inst);
// the frame is going away along with its widget
// so tell the window to forget its widget too
if (window)
window->SetPluginWidget(nsnull);
}
mInstanceOwner->Destroy();
NS_RELEASE(mInstanceOwner);
}
return nsObjectFrameSuper::Destroy(aPresContext);
}
nsIAtom*
nsObjectFrame::GetType() const
{
return nsLayoutAtoms::objectFrame;
}
#ifdef DEBUG
NS_IMETHODIMP
nsObjectFrame::GetFrameName(nsAString& aResult) const
{
return MakeFrameName(NS_LITERAL_STRING("ObjectFrame"), aResult);
}
#endif
nsresult
nsObjectFrame::CreateWidgetForView(nsIView* aView)
{
// Bug 179822: Create widget and allow non-unicode SubClass
nsWidgetInitData initData;
initData.mUnicode = PR_FALSE;
return aView->CreateWidget(kWidgetCID, &initData);
}
PRBool
nsObjectFrame::IsLeaf() const
{
// We're actually a leaf. We inherit from nsContainerFrame for
// convenience for now, but we construct our own kids and the frame
// constructor shouldn't be messing with them.
// XXXbz ideally, we wouldn't have this child frame thing at all.
return PR_TRUE;
}
nsresult
nsObjectFrame::CreateWidget(nscoord aWidth,
nscoord aHeight,
PRBool aViewOnly)
{
nsIView* view = GetView();
NS_ASSERTION(view, "Object frames must have views");
if (!view) {
return NS_OK; //XXX why OK? MMP
}
nsIViewManager* viewMan = view->GetViewManager();
// make the view as hidden since we don't know the (x,y) until Paint
// XXX is the above comment correct?
viewMan->SetViewVisibility(view, nsViewVisibility_kHide);
// Turn off double buffering on the Mac. This depends on bug 49743 and partially
// fixes 32327, 19931 amd 51787
#if defined(XP_MAC) || defined(XP_MACOSX)
PRBool doubleBuffer =
nsContentUtils::GetBoolPref("plugin.enable_double_buffer");
viewMan->AllowDoubleBuffering(doubleBuffer);
#endif
//this is ugly. it was ripped off from didreflow(). MMP
// Position and size view relative to its parent, not relative to our
// parent frame (our parent frame may not have a view).
nsIView* parentWithView;
nsPoint origin;
nsRect r(0, 0, mRect.width, mRect.height);
GetOffsetFromView(origin, &parentWithView);
viewMan->ResizeView(view, r);
viewMan->MoveViewTo(view, origin.x, origin.y);
if (!aViewOnly && !view->HasWidget()) {
nsresult rv = CreateWidgetForView(view);
if (NS_FAILED(rv)) {
return NS_OK; //XXX why OK? MMP
}
}
{
// Here we set the background color for this widget because some plugins will use
// the child window background color when painting. If it's not set, it may default to gray
// Sometimes, a frame doesn't have a background color or is transparent. In this
// case, walk up the frame tree until we do find a frame with a background color
for (nsIFrame* frame = this; frame; frame = frame->GetParent()) {
const nsStyleBackground* background = frame->GetStyleBackground();
if (!background->IsTransparent()) { // make sure we got an actual color
nsIWidget* win = view->GetWidget();
if (win)
win->SetBackgroundColor(background->mBackgroundColor);
break;
}
}
}
viewMan->SetViewVisibility(view, nsViewVisibility_kShow);
return NS_OK;
}
#define EMBED_DEF_WIDTH 240
#define EMBED_DEF_HEIGHT 200
void
nsObjectFrame::GetDesiredSize(nsPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aMetrics)
{
// By default, we have no area
aMetrics.width = 0;
aMetrics.height = 0;
aMetrics.ascent = 0;
aMetrics.descent = 0;
if (IsHidden(PR_FALSE)) {
if (aMetrics.mComputeMEW) {
aMetrics.mMaxElementWidth = 0;
}
return;
}
aMetrics.width = aReflowState.mComputedWidth;
aMetrics.height = aReflowState.mComputedHeight;
// for EMBED and APPLET, default to 240x200 for compatibility
nsIAtom *atom = mContent->Tag();
if (atom == nsHTMLAtoms::applet || atom == nsHTMLAtoms::embed) {
float p2t = aPresContext->ScaledPixelsToTwips();
if (aMetrics.width == NS_UNCONSTRAINEDSIZE) {
aMetrics.width = PR_MIN(PR_MAX(NSIntPixelsToTwips(EMBED_DEF_WIDTH, p2t),
aReflowState.mComputedMinWidth),
aReflowState.mComputedMaxWidth);
}
if (aMetrics.height == NS_UNCONSTRAINEDSIZE) {
aMetrics.height = PR_MIN(PR_MAX(NSIntPixelsToTwips(EMBED_DEF_HEIGHT, p2t),
aReflowState.mComputedMinHeight),
aReflowState.mComputedMaxHeight);
}
#if defined (MOZ_WIDGET_GTK) || defined (MOZ_WIDGET_GTK2) || defined (MOZ_WIDGET_XLIB)
// We need to make sure that the size of the object frame does not
// exceed the maximum size of X coordinates. See bug #225357 for
// more information. In theory Gtk2 can handle large coordinates,
// but underlying plugins can't.
aMetrics.height = PR_MIN(NSIntPixelsToTwips(PR_INT16_MAX, p2t), aMetrics.height);
aMetrics.width = PR_MIN(NSIntPixelsToTwips(PR_INT16_MAX, p2t), aMetrics.width);
#endif
}
// At this point, the width has an unconstrained value only if we have
// nothing to go on (no width set, no information from the plugin, nothing).
// Make up a number.
if (aMetrics.width == NS_UNCONSTRAINEDSIZE) {
aMetrics.width =
(aReflowState.mComputedMinWidth != NS_UNCONSTRAINEDSIZE) ?
aReflowState.mComputedMinWidth : 0;
}
// At this point, the height has an unconstrained value only in two cases:
// a) We are in standards mode with percent heights and parent is auto-height
// b) We have no height information at all.
// In either case, we have to make up a number.
if (aMetrics.height == NS_UNCONSTRAINEDSIZE) {
aMetrics.height =
(aReflowState.mComputedMinHeight != NS_UNCONSTRAINEDSIZE) ?
aReflowState.mComputedMinHeight : 0;
}
// XXXbz don't add in the border and padding, because we screw up our
// plugin's size and positioning if we do... Eventually we _do_ want to
// paint borders, though! At that point, we will need to adjust the desired
// size either here or in Reflow.... Further, we will need to fix Paint() to
// call the superclass in all cases.
// ascent
aMetrics.ascent = aMetrics.height;
if (aMetrics.mComputeMEW) {
aMetrics.SetMEWToActualWidth(aReflowState.mStylePosition->mWidth.GetUnit());
}
}
nsresult
nsObjectFrame::MakeAbsoluteURL(nsIURI* *aFullURI,
nsString aSrc,
nsIURI* aBaseURI)
{
nsresult rv;
nsCOMPtr<nsIDocument> document;
rv = mInstanceOwner->GetDocument(getter_AddRefs(document));
// get document charset
nsCAutoString originCharset;
if (document)
originCharset = document->GetDocumentCharacterSet();
return NS_NewURI(aFullURI, aSrc, originCharset.get(), aBaseURI);
}
static void
SizeAnchor(nsIContent *aAnchor, PRInt32 aWidth, PRInt32 aHeight)
{
nsCOMPtr<nsIDOMElementCSSInlineStyle> element(do_QueryInterface(aAnchor));
if (!element)
return;
nsCOMPtr<nsIDOMCSSStyleDeclaration> style;
element->GetStyle(getter_AddRefs(style));
nsCOMPtr<nsIDOMCSS2Properties> css2props(do_QueryInterface(style));
if (!css2props) {
return;
}
nsAutoString tmp;
tmp.AppendInt(aWidth);
AppendASCIItoUTF16("px", tmp);
css2props->SetWidth(tmp);
tmp.Truncate();
tmp.AppendInt(aHeight);
AppendASCIItoUTF16("px", tmp);
css2props->SetHeight(tmp);
}
NS_IMETHODIMP
nsObjectFrame::Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
DO_GLOBAL_REFLOW_COUNT("nsObjectFrame", aReflowState.reason);
DISPLAY_REFLOW(aPresContext, this, aReflowState, aMetrics, aStatus);
nsresult rv = NS_OK;
// If we have a child, we toss the reflow over to it.
nsIFrame * child = mFrames.FirstChild();
if (IsBroken()) {
// This is a broken plugin, if we don't already have a child
// frame, create the child frames manually. If any of this frame
// construction code ever changes to use the frame constructor, or
// any other change, this probably needs some changes too.
if (!child) {
CreateDefaultFrames(aPresContext, aMetrics, aReflowState);
child = mFrames.FirstChild();
}
if (child) {
GetDesiredSize(aPresContext, aReflowState, aMetrics);
// Build a reflow state so we can see what the child's border and
// padding are going to be
nsHTMLReflowState state(aPresContext, aReflowState, child,
nsSize(aReflowState.availableWidth,
aReflowState.availableHeight));
float t2p = aPresContext->TwipsToPixels();
PRInt32 width = NSTwipsToIntPixels(aMetrics.width - state.mComputedBorderPadding.LeftRight(), t2p);
PRInt32 height = NSTwipsToIntPixels(aMetrics.height - state.mComputedBorderPadding.TopBottom(), t2p);
// Set the child's content width and height
SizeAnchor(child->GetContent(), width, height);
// SizeAnchor() is seriously evil as it ends up setting an
// attribute (through the style changes that it does) while
// we're in reflow. This is also seriously evil, as it pulls
// that reflow command out of the reflow queue, as leaving it
// there can get us into infinite loops while reflowing object
// frames for missing plugins.
nsReflowType reflowType(eReflowType_StyleChanged);
aPresContext->PresShell()->CancelReflowCommand(child, &reflowType);
}
}
if (child) {
// Reflow the child; our size just depends on that of the child,
// pure and simple
return HandleChild(aPresContext, aMetrics, aReflowState, aStatus, child);
}
// Get our desired size
GetDesiredSize(aPresContext, aReflowState, aMetrics);
// delay plugin instantiation until all children have
// arrived. Otherwise there may be PARAMs or other stuff that the
// plugin needs to see that haven't arrived yet.
if (!GetContent()->IsDoneAddingChildren()) {
aStatus = NS_FRAME_COMPLETE;
return rv;
}
// if we are printing or print previewing, bail for now
if (aPresContext->Medium() == nsLayoutAtoms::print) {
aStatus = NS_FRAME_COMPLETE;
return rv;
}
// if mInstance is null, we need to determine what kind of object we are and instantiate ourselves
if (!mInstanceOwner) {
// XXX - do we need to create this for widgets as well?
mInstanceOwner = new nsPluginInstanceOwner();
if (!mInstanceOwner)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(mInstanceOwner);
mInstanceOwner->Init(aPresContext, this);
// get the nsIPluginHost service
nsCOMPtr<nsIPluginHost> pluginHost(do_GetService(kCPluginManagerCID));
nsCOMPtr<nsISupports> container;
nsCOMPtr<nsIURI> fullURL;
nsAutoString classid;
nsCOMPtr<nsIURI> baseURI = mContent->GetBaseURI();
nsAutoString codeBase;
if ((NS_CONTENT_ATTR_HAS_VALUE ==
mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::codebase, codeBase)) &&
!codeBase.IsEmpty()) {
nsCOMPtr<nsIURI> codeBaseURL;
rv = MakeAbsoluteURL(getter_AddRefs(codeBaseURL), codeBase, baseURI);
if (NS_SUCCEEDED(rv)) {
baseURI = codeBaseURL;
}
}
// if we have a clsid, we're either an internal widget, an ActiveX control, or an applet
if (mContent->Tag() == nsHTMLAtoms::object &&
NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::classid, classid)) {
PRBool bJavaObject;
bJavaObject = StringBeginsWith(classid, NS_LITERAL_STRING("java:"));
// if we find "java:" in the class id, we have a java applet
if (bJavaObject) {
if (!baseURI) {
rv = NS_ERROR_FAILURE;
}
else {
fullURL = baseURI;
if (pluginHost) {
mInstanceOwner->SetPluginHost(pluginHost);
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState,
pluginHost, "application/x-java-vm",
fullURL);
}
}
}
else { // otherwise, we're either an ActiveX control or an internal widget
// These are some builtin types that we know about for now.
// (Eventually this will move somewhere else.)
if (classid.EqualsLiteral("browser")) {
rv = InstantiateWidget(aPresContext, aMetrics,
aReflowState, kCAppShellCID);
}
else {
// if we haven't matched to an internal type, check to see if
// we have an ActiveX handler
// if not, create the default plugin
if (!baseURI) {
rv = NS_ERROR_FAILURE;
}
else {
fullURL = baseURI;
if (pluginHost) {
mInstanceOwner->SetPluginHost(pluginHost);
if (NS_SUCCEEDED(pluginHost->IsPluginEnabledForType("application/x-oleobject"))) {
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState,
pluginHost, "application/x-oleobject",
fullURL);
} else if (NS_SUCCEEDED(pluginHost->IsPluginEnabledForType("application/oleobject"))) {
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState,
pluginHost, "application/oleobject",
fullURL);
} else {
rv = NS_ERROR_FAILURE;
}
}
}
}
}
// finish up
if (NS_SUCCEEDED(rv)) {
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
}
else { // no clsid - the object is either an applet or a plugin
nsAutoString src;
if (!baseURI) {
rv = NS_ERROR_FAILURE;
}
else {
if (pluginHost) {
mInstanceOwner->SetPluginHost(pluginHost);
nsIAtom *tag = mContent->Tag();
if (tag == nsHTMLAtoms::applet) {
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::code, src)) {
// Create an absolute URL
rv = MakeAbsoluteURL(getter_AddRefs(fullURL), src, baseURI);
}
else
fullURL = baseURI;
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState,
pluginHost, "application/x-java-vm", fullURL);
} else { // traditional plugin
nsXPIDLCString mimeTypeStr;
nsAutoString type;
mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::type, type);
if (type.Length()) {
mimeTypeStr.Adopt(ToNewCString(type));
}
// Stream in the object source if there is one...
// If this is an OBJECT tag, we should look for a DATA attribute.
// If not, it's an EMBED tag, and so we should look for a SRC attribute.
if (tag == nsHTMLAtoms::object)
rv = mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::data, src);
else
rv = mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::src, src);
if (NS_CONTENT_ATTR_HAS_VALUE == rv) {
// Create an absolute URL
rv = MakeAbsoluteURL(getter_AddRefs(fullURL), src, baseURI);
if (NS_FAILED(rv)) {
// Failed to create URI, maybe because we didn't
// reconize the protocol handler ==> treat like
// no 'src'/'data' was specified in the embed/object tag
fullURL = baseURI;
}
}
else {
// we didn't find a src or data param, so just set the url
// to the base
fullURL = baseURI;
}
// now try to instantiate a plugin instance based on a mime type
const char* mimeType = mimeTypeStr.get();
if (mimeType || !src.IsEmpty()) {
if (!mimeType) {
// we don't have a mime type, try to figure it out
// from extension
PRInt32 offset = src.RFindChar(PRUnichar('.'));
if (offset != kNotFound)
pluginHost->IsPluginEnabledForExtension(NS_ConvertUTF16toUTF8(Substring(src, offset + 1, src.Length())).get(), mimeType);
}
// if we fail to get a mime type from extension we can
// still try to instantiate plugin as it can be possible
// to determine it later
rv = InstantiatePlugin(aPresContext, aMetrics, aReflowState,
pluginHost, mimeType, fullURL);
}
else // if we have neither we should not bother
rv = NS_ERROR_FAILURE;
}
}
}
}
}
else { // if (!mInstanceOwner)
rv = ReinstantiatePlugin(aPresContext, aMetrics, aReflowState);
}
// finish up
if (NS_FAILED(rv)) {
// if we got an error, we are probably going to be replaced
// for a replaced object frame, clear our vertical alignment style info, see bug 36997
nsStyleTextReset* text = NS_STATIC_CAST(nsStyleTextReset*,
mStyleContext->GetUniqueStyleData(eStyleStruct_TextReset));
text->mVerticalAlign.SetNormalValue();
//check for alternative content with CantRenderReplacedElement()
rv = aPresContext->PresShell()->CantRenderReplacedElement(this);
} else {
NotifyContentObjectWrapper();
}
aStatus = NS_FRAME_COMPLETE;
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aMetrics);
return rv;
}
nsresult
nsObjectFrame::InstantiateWidget(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsCID aWidgetCID)
{
nsresult rv;
GetDesiredSize(aPresContext, aReflowState, aMetrics);
nsIView *parentWithView;
nsPoint origin;
GetOffsetFromView(origin, &parentWithView);
// Just make the frigging widget
float t2p;
t2p = aPresContext->TwipsToPixels();
PRInt32 x = NSTwipsToIntPixels(origin.x, t2p);
PRInt32 y = NSTwipsToIntPixels(origin.y, t2p);
PRInt32 width = NSTwipsToIntPixels(aMetrics.width, t2p);
PRInt32 height = NSTwipsToIntPixels(aMetrics.height, t2p);
nsRect r = nsRect(x, y, width, height);
mWidget = do_CreateInstance(aWidgetCID, &rv);
if (NS_FAILED(rv)) {
return rv;
}
mWidget->Create(parentWithView->GetNearestWidget(nsnull), r, nsnull, nsnull);
mWidget->Show(PR_TRUE);
return rv;
}
nsresult
nsObjectFrame::InstantiatePlugin(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsIPluginHost* aPluginHost,
const char* aMimeType,
nsIURI* aURI)
{
nsIView *parentWithView;
nsPoint origin;
nsPluginWindow *window;
float t2p;
t2p = aPresContext->TwipsToPixels();
mFullURL = aURI;
// we need to recalculate this now that we have access to the nsPluginInstanceOwner
// and its size info (as set in the tag)
GetDesiredSize(aPresContext, aReflowState, aMetrics);
mInstanceOwner->GetWindow(window);
NS_ENSURE_TRUE(window, NS_ERROR_NULL_POINTER);
GetOffsetFromView(origin, &parentWithView);
window->x = NSTwipsToIntPixels(origin.x, t2p);
window->y = NSTwipsToIntPixels(origin.y, t2p);
window->width = NSTwipsToIntPixels(aMetrics.width, t2p);
window->height = NSTwipsToIntPixels(aMetrics.height, t2p);
// on the Mac we need to set the clipRect to { 0, 0, 0, 0 } for now. This will keep
// us from drawing on screen until the widget is properly positioned, which will not
// happen until we have finished the reflow process.
window->clipRect.top = 0;
window->clipRect.left = 0;
#if !(defined(XP_MAC) || defined(XP_MACOSX))
window->clipRect.bottom = NSTwipsToIntPixels(aMetrics.height, t2p);
window->clipRect.right = NSTwipsToIntPixels(aMetrics.width, t2p);
#else
window->clipRect.bottom = 0;
window->clipRect.right = 0;
#endif
#ifdef DEBUG
mInstantiating = PR_TRUE;
#endif
nsCOMPtr<nsIDocument> doc;
nsresult rv = mInstanceOwner->GetDocument(getter_AddRefs(doc));
nsCOMPtr<nsIPluginDocument> pDoc (do_QueryInterface(doc));
if (pDoc) { /* full-page mode */
nsCOMPtr<nsIStreamListener> stream;
rv = aPluginHost->InstantiateFullPagePlugin(aMimeType, aURI,
/* resulting stream listener */ *getter_AddRefs(stream),
mInstanceOwner);
if (NS_SUCCEEDED(rv))
pDoc->SetStreamListener(stream);
} else { /* embedded mode */
rv = aPluginHost->InstantiateEmbeddedPlugin(aMimeType, aURI,
mInstanceOwner);
}
#ifdef DEBUG
mInstantiating = PR_FALSE;
#endif
return rv;
}
// This is called when the page containing plugin is resized, and plugin has its dimensions
// specified in percentage, so it needs to follow the page on the fly.
nsresult
nsObjectFrame::ReinstantiatePlugin(nsPresContext* aPresContext, nsHTMLReflowMetrics& aMetrics, const nsHTMLReflowState& aReflowState)
{
nsIView *parentWithView;
nsPoint origin;
nsPluginWindow *window;
float t2p;
t2p = aPresContext->TwipsToPixels();
// we need to recalculate this now that we have access to the nsPluginInstanceOwner
// and its size info (as set in the tag)
GetDesiredSize(aPresContext, aReflowState, aMetrics);
mInstanceOwner->GetWindow(window);
NS_ENSURE_TRUE(window, NS_ERROR_NULL_POINTER);
GetOffsetFromView(origin, &parentWithView);
window->x = NSTwipsToIntPixels(origin.x, t2p);
window->y = NSTwipsToIntPixels(origin.y, t2p);
window->width = NSTwipsToIntPixels(aMetrics.width, t2p);
window->height = NSTwipsToIntPixels(aMetrics.height, t2p);
// ignore this for now on the Mac because the widget is not properly positioned
// yet and won't be until we have finished the reflow process.
#if defined(XP_MAC) || defined(XP_MACOSX)
window->clipRect.top = 0;
window->clipRect.left = 0;
window->clipRect.bottom = NSTwipsToIntPixels(aMetrics.height, t2p);
window->clipRect.right = NSTwipsToIntPixels(aMetrics.width, t2p);
#endif
return NS_OK;
}
nsresult
nsObjectFrame::HandleChild(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus,
nsIFrame* child)
{
// Note that in the image and document cases the child shares our
// style context, so we simply want to reflow the child with pretty
// much our own reflow state, in the case of a broken plugin, the
// child has its own style context, so we create a new reflow
// state....
// XXXbz maybe we should always have a different style context?
// XXXroc no, that seems to break things. But as is, this causes
// an assertion failure in nsContainerFrame because the reflow
// state isn't built for the right frame.
nsReflowStatus status;
if (IsBroken()) {
nsHTMLReflowState state(aPresContext, aReflowState, child,
nsSize(aReflowState.availableWidth,
aReflowState.availableHeight));
ReflowChild(child, aPresContext, aMetrics, state, 0, 0, 0, status);
FinishReflowChild(child, aPresContext, &state, aMetrics, 0, 0, 0);
} else {
ReflowChild(child, aPresContext, aMetrics, aReflowState, 0, 0, 0, status);
FinishReflowChild(child, aPresContext, &aReflowState, aMetrics, 0, 0, 0);
}
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
PRBool
nsObjectFrame::IsFocusable(PRInt32 *aTabIndex, PRBool aWithMouse)
{
if (aTabIndex)
*aTabIndex = -1;
if (IsBroken()) {
// Inner anchor for "click to install plugin" is focusable,
// but not the object frame itself
return PR_FALSE;
}
return nsObjectFrameSuper::IsFocusable(aTabIndex, aWithMouse);
}
PRBool
nsObjectFrame::IsHidden(PRBool aCheckVisibilityStyle) const
{
if (aCheckVisibilityStyle) {
if (!GetStyleVisibility()->IsVisibleOrCollapsed())
return PR_TRUE;
}
// only <embed> tags support the HIDDEN attribute
if (mContent->Tag() == nsHTMLAtoms::embed) {
nsAutoString hidden;
nsresult result = mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::hidden, hidden);
// Yes, these are really the kooky ways that you could tell 4.x
// not to hide the <embed> once you'd put the 'hidden' attribute
// on the tag...
// these |NS_ConvertASCIItoUCS2|s can't be |NS_LITERAL_STRING|s
// until |EqualsIgnoreCase| get's fixed
// HIDDEN w/ no attributes gets translated as we are hidden for
// compatibility w/ 4.x and IE so we don't create a non-painting
// widget in layout. See bug 188959.
if (NS_CONTENT_ATTR_NOT_THERE != result &&
(hidden.IsEmpty() ||
!hidden.LowerCaseEqualsLiteral("false") &&
!hidden.LowerCaseEqualsLiteral("no") &&
!hidden.LowerCaseEqualsLiteral("off"))) {
return PR_TRUE;
}
}
return PR_FALSE;
}
nsPoint nsObjectFrame::GetWindowOriginInPixels(PRBool aWindowless)
{
nsIView * parentWithView;
nsPoint origin(0,0);
GetOffsetFromView(origin, &parentWithView);
// if it's windowless, let's make sure we have our origin set right
// it may need to be corrected, like after scrolling
if (aWindowless && parentWithView) {
nsIViewManager* parentVM = parentWithView->GetViewManager();
// Walk up all the views and add up their positions until we
// reach the first view with a window (non-null widget). This will give us our
// position relative to the containing window which is what we want to give the plugin
nsIView* theView = parentWithView;
while (theView && !theView->GetWidget()) {
if (theView->GetViewManager() != parentVM)
break;
origin += theView->GetPosition();
theView = theView->GetParent();
}
}
float t2p;
t2p = GetPresContext()->TwipsToPixels();
origin.x = NSTwipsToIntPixels(origin.x, t2p);
origin.y = NSTwipsToIntPixels(origin.y, t2p);
return origin;
}
void
nsObjectFrame::CreateDefaultFrames(nsPresContext *aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState)
{
NS_ASSERTION(IsBroken(),
"CreateDefaultFrames() called on non-broken plugin!");
nsIFrame * child = mFrames.FirstChild();
if (child) {
NS_ERROR("Um, this should only be called once!");
// We have a child already, don't do anything
return;
}
// first, we need to get the document
nsIDocument *doc = mContent->GetDocument();
nsIPresShell *shell = aPresContext->GetPresShell();
nsStyleSet *styleSet = shell->StyleSet();
nsCOMPtr<nsIHTMLDocument> htmldoc(do_QueryInterface(doc));
PRInt32 id;
if (htmldoc && !doc->IsCaseSensitive())
id = kNameSpaceID_None;
else
id = kNameSpaceID_XHTML;
nsCOMPtr<nsIContent> anchor;
nsresult rv = doc->CreateElem(nsHTMLAtoms::a, nsnull, id, htmldoc != nsnull,
getter_AddRefs(anchor));
nsCOMPtr<nsIContent> img;
rv |= doc->CreateElem(nsHTMLAtoms::img, nsnull, id, htmldoc != nsnull,
getter_AddRefs(img));
nsCOMPtr<nsITextContent> text;
rv |= NS_NewTextNode(getter_AddRefs(text), doc->NodeInfoManager());
if (NS_FAILED(rv))
return;
// Mark the nodes anonymous
anchor->SetNativeAnonymous(PR_TRUE);
img->SetNativeAnonymous(PR_TRUE);
text->SetNativeAnonymous(PR_TRUE);
// Set up the anonymous tree. Note that the binding parent for the anchor is
// used to cut off style rules from the page so they won't apply to it.
rv = anchor->BindToTree(doc, mContent, anchor, PR_TRUE);
if (NS_FAILED(rv)) {
anchor->UnbindFromTree();
return;
}
anchor->AppendChildTo(img, PR_FALSE);
anchor->AppendChildTo(text, PR_FALSE);
nsAutoString style;
CopyASCIItoUTF16("text-align: -moz-center;"
"overflow: -moz-hidden-unscrollable;"
"display: block;"
"border: 1px outset;"
"padding: 5px;"
"font-size: 12px;"
"font-family: sans-serif;"
"background: white;"
"-moz-user-select: none;"
"text-decoration: none;"
"color: black;", style);
// Style things and load the image
anchor->SetAttr(kNameSpaceID_None, nsHTMLAtoms::style, style, PR_TRUE);
anchor->SetAttr(kNameSpaceID_None, nsHTMLAtoms::href, NS_LITERAL_STRING("#"), PR_TRUE);
NS_NAMED_LITERAL_STRING(src,
"chrome://mozapps/skin/xpinstall/xpinstallItemGeneric.png");
img->SetAttr(kNameSpaceID_None, nsHTMLAtoms::src, src, PR_FALSE);
NS_NAMED_LITERAL_STRING(imgStyle,
"display: block; border: 0px; width: 32px; height: 32px;");
img->SetAttr(kNameSpaceID_None, nsHTMLAtoms::style, imgStyle, PR_FALSE);
// Kick off the image load.
nsCOMPtr<nsIImageLoadingContent> imageLoader = do_QueryInterface(img);
imageLoader->ImageURIChanged(src);
// get the localized text
nsXPIDLString missingPluginLabel;
nsCOMPtr<nsIStringBundleService> stringBundleService =
do_GetService(NS_STRINGBUNDLE_CONTRACTID);
if (stringBundleService) {
nsCOMPtr<nsIStringBundle> stringBundle;
stringBundleService->CreateBundle(
"chrome://mozapps/locale/plugins/plugins.properties",
getter_AddRefs(stringBundle));
if (stringBundle)
rv = stringBundle->GetStringFromName(NS_LITERAL_STRING("missingPlugin.label").get(),
getter_Copies(missingPluginLabel));
}
if (!stringBundleService || NS_FAILED(rv))
missingPluginLabel = NS_LITERAL_STRING("Click here to download plugin.");
text->SetText(missingPluginLabel, PR_FALSE);
// Resolve style for the anchor, img, and text nodes.
nsRefPtr<nsStyleContext> anchorStyleContext =
styleSet->ResolveStyleFor(anchor, mStyleContext);
nsRefPtr<nsStyleContext> imgStyleContext =
styleSet->ResolveStyleFor(img, anchorStyleContext);
nsRefPtr<nsStyleContext> textStyleContext =
shell->StyleSet()->ResolveStyleForNonElement(anchorStyleContext);
if (!anchorStyleContext || !imgStyleContext || !textStyleContext)
return;
nsIFrame *anchorFrame = nsnull;
nsIFrame *imgFrame = nsnull;
nsIFrame *textFrame = nsnull;
do {
rv = NS_NewBlockFrame(shell, &anchorFrame);
if (NS_FAILED(rv))
break;
rv = anchorFrame->Init(aPresContext, anchor, this, anchorStyleContext, PR_FALSE);
if (NS_FAILED(rv))
break;
// Give it a space manager, so it won't crash of ancestors don't have one
anchorFrame->AddStateBits(NS_BLOCK_SPACE_MGR | NS_BLOCK_MARGIN_ROOT);
nsHTMLContainerFrame::CreateViewForFrame(anchorFrame, this, PR_FALSE);
rv = NS_NewImageFrame(shell, &imgFrame);
if (NS_FAILED(rv))
return;
rv = imgFrame->Init(aPresContext, img, anchorFrame, imgStyleContext, PR_FALSE);
if (NS_FAILED(rv))
break;
nsHTMLContainerFrame::CreateViewForFrame(imgFrame, anchorFrame, PR_FALSE);
anchorFrame->AppendFrames(nsnull, imgFrame);
rv = NS_NewTextFrame(shell, &textFrame);
if (NS_FAILED(rv))
break;
rv = textFrame->Init(aPresContext, text, anchorFrame, textStyleContext,
PR_FALSE);
if (NS_FAILED(rv))
break;
textFrame->SetInitialChildList(aPresContext, nsnull, nsnull);
anchorFrame->AppendFrames(nsnull, textFrame);
} while (0);
if (NS_FAILED(rv)) {
if (anchorFrame)
anchorFrame->Destroy(aPresContext);
if (imgFrame)
imgFrame->Destroy(aPresContext);
if (textFrame)
textFrame->Destroy(aPresContext);
} else {
// Creation of all our anonymous content succeeded.
mFrames.AppendFrame(this, anchorFrame);
}
nsCOMPtr<nsISupportsArray> array;
NS_NewISupportsArray(getter_AddRefs(array));
if (array) {
array->AppendElement(anchor);
array->AppendElement(img);
array->AppendElement(text);
shell->SetAnonymousContentFor(mContent, array);
}
}
NS_IMETHODIMP
nsObjectFrame::DidReflow(nsPresContext* aPresContext,
const nsHTMLReflowState* aReflowState,
nsDidReflowStatus aStatus)
{
nsresult rv = nsObjectFrameSuper::DidReflow(aPresContext, aReflowState, aStatus);
// The view is created hidden; once we have reflowed it and it has been
// positioned then we show it.
if (aStatus != NS_FRAME_REFLOW_FINISHED)
return rv;
PRBool bHidden = IsHidden();
if (HasView()) {
nsIView* view = GetView();
nsIViewManager* vm = view->GetViewManager();
if (vm)
vm->SetViewVisibility(view, bHidden ? nsViewVisibility_kHide : nsViewVisibility_kShow);
}
nsPluginWindow *win = nsnull;
nsCOMPtr<nsIPluginInstance> pi;
if (!mInstanceOwner ||
NS_FAILED(rv = mInstanceOwner->GetInstance(*getter_AddRefs(pi))) ||
!pi ||
NS_FAILED(rv = mInstanceOwner->GetWindow(win)) ||
!win)
return rv;
nsPluginNativeWindow *window = (nsPluginNativeWindow *)win;
#if defined(XP_MAC) || defined(XP_MACOSX)
mInstanceOwner->FixUpPluginWindow(ePluginPaintDisable);
#endif // XP_MAC || XP_MACOSX
if (bHidden)
return rv;
PRBool windowless = (window->type == nsPluginWindowType_Drawable);
if (windowless)
return rv;
nsPoint origin = GetWindowOriginInPixels(windowless);
window->x = origin.x;
window->y = origin.y;
// refresh the plugin port as well
window->window = mInstanceOwner->GetPluginPort();
// this will call pi->SetWindow and take care of window subclassing
// if needed, see bug 132759
window->CallSetWindow(pi);
mInstanceOwner->ReleasePluginPort((nsPluginPort *)window->window);
if (mWidget) {
PRInt32 x = origin.x;
PRInt32 y = origin.y;
mWidget->Move(x, y);
}
return rv;
}
NS_IMETHODIMP
nsObjectFrame::Paint(nsPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
PRUint32 aFlags)
{
if (!GetStyleVisibility()->IsVisibleOrCollapsed())
return NS_OK;
nsIFrame * child = mFrames.FirstChild();
if (child) { // if we have children, we are probably not really a plugin
nsObjectFrameSuper::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
return NS_OK;
}
// If we are painting in Print Preview do nothing....
if (aPresContext->Type() == nsPresContext::eContext_PrintPreview) {
return NS_OK;
}
// determine if we are printing
if (aPresContext->Type() == nsPresContext::eContext_Print) {
// UNIX Plugins can't PP at this time, so draw an empty box
// we only want to print on the content layer pass
if (eFramePaintLayer_Content != aWhichLayer)
return NS_OK;
// if we are printing, we need to get the correct nsIPluginInstance
// for THIS content node in order to call ->Print() on the right plugin
// first, we need to get the document
nsCOMPtr<nsIDocument> doc = mContent->GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_NULL_POINTER);
// now we need to get the shell for the screen
// XXX assuming that the shell at zero will always be the screen one
nsIPresShell *shell = doc->GetShellAt(0);
NS_ENSURE_TRUE(shell, NS_ERROR_NULL_POINTER);
// then the shell can give us the screen frame for this content node
nsIFrame* frame = nsnull;
shell->GetPrimaryFrameFor(mContent, &frame);
NS_ENSURE_TRUE(frame, NS_ERROR_NULL_POINTER);
// make sure this is REALLY an nsIObjectFrame
// we may need to go through the children to get it
nsIObjectFrame* objectFrame = nsnull;
CallQueryInterface(frame,&objectFrame);
if (!objectFrame)
objectFrame = GetNextObjectFrame(aPresContext,frame);
NS_ENSURE_TRUE(objectFrame,NS_ERROR_FAILURE);
// finally we can get our plugin instance
nsCOMPtr<nsIPluginInstance> pi;
if (NS_FAILED(objectFrame->GetPluginInstance(*getter_AddRefs(pi))) || !pi)
return NS_ERROR_FAILURE;
// now we need to setup the correct location for printing
nsresult rv;
nsPluginWindow window;
nsPoint origin;
float t2p;
window.window = nsnull;
// prepare embedded mode printing struct
nsPluginPrint npprint;
npprint.mode = nsPluginMode_Embedded;
// we need to find out if we are windowless or not
PRBool windowless = PR_FALSE;
pi->GetValue(nsPluginInstanceVariable_WindowlessBool, (void *)&windowless);
window.type = windowless ? nsPluginWindowType_Drawable : nsPluginWindowType_Window;
// Get the offset of the DC
nsTransform2D* rcTransform;
aRenderingContext.GetCurrentTransform(rcTransform);
rcTransform->GetTranslationCoord(&origin.x, &origin.y);
// Get the conversion factor between pixels and twips
t2p = aPresContext->TwipsToPixels();
// set it all up
// XXX is windowless different?
window.x = origin.x;
window.y = origin.y;
window.width = NSToCoordRound(mRect.width * t2p);
window.height= NSToCoordRound(mRect.height * t2p);
window.clipRect.bottom = 0; window.clipRect.top = 0;
window.clipRect.left = 0; window.clipRect.right = 0;
// XXX platform specific printing code
#if defined(XP_MAC) && !TARGET_CARBON
// Mac does things a little differently.
GrafPtr curPort;
::GetPort(&curPort); // get the current port
nsPluginPort port;
port.port = (CGrafPort*)curPort;
port.portx = window.x;
port.porty = window.y;
RgnHandle curClip = ::NewRgn();
NS_ENSURE_TRUE(curClip, NS_ERROR_NULL_POINTER);
::GetClip(curClip); // save old clip
::SetOrigin(-window.x,-window.y); // port must be set correctly prior to telling plugin to print
Rect r = {0,0,window.height,window.width};
::ClipRect(&r); // also set the clip
window.window = &port;
npprint.print.embedPrint.platformPrint = (void*)window.window;
npprint.print.embedPrint.window = window;
// send off print info to plugin
rv = pi->Print(&npprint);
#elif defined(XP_UNIX) && !defined(XP_MACOSX)
/* UNIX does things completely differently:
* We call the plugin and it sends generated PostScript data into a
* file handle we provide. If the plugin returns with success we embed
* this PostScript code fragment into the PostScript job we send to the
* printer.
*/
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("nsObjectFrame::Paint() start for X11 platforms\n"));
FILE *plugintmpfile = tmpfile();
if (!plugintmpfile) {
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("error: could not open tmp. file, errno=%d\n", errno));
return NS_ERROR_FAILURE;
}
/* Send off print info to plugin */
NPPrintCallbackStruct npPrintInfo;
npPrintInfo.type = NP_PRINT;
npPrintInfo.fp = plugintmpfile;
npprint.print.embedPrint.platformPrint = (void *)&npPrintInfo;
/* aDirtyRect contains the right information for ps print */
window.x = aDirtyRect.x;
window.y = aDirtyRect.y;
window.width = aDirtyRect.width;
window.height = aDirtyRect.height;
npprint.print.embedPrint.window = window;
rv = pi->Print(&npprint);
if (NS_FAILED(rv)) {
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("error: plugin returned failure %lx\n", (long)rv));
fclose(plugintmpfile);
return rv;
}
/* Send data to printer */
rv = aRenderingContext.RenderEPS(aDirtyRect, plugintmpfile);
fclose(plugintmpfile);
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("plugin printing done, return code is %lx\n", (long)rv));
#else // Windows and non-UNIX, non-Mac(Classic) cases
// we need the native printer device context to pass to plugin
// On Windows, this will be the HDC
void *pDC = 0;
aRenderingContext.RetrieveCurrentNativeGraphicData(&pDC);
if (!pDC)
return NS_OK; // no dc implemented so quit
npprint.print.embedPrint.platformPrint = (void*)pDC;
npprint.print.embedPrint.window = window;
// send off print info to plugin
rv = pi->Print(&npprint);
#endif
#if defined(XP_MAC) && !TARGET_CARBON
// Clean-up on Mac
::SetOrigin(0,0);
::SetClip(curClip); // restore previous clip
::DisposeRgn(curClip);
#endif
// XXX Nav 4.x always sent a SetWindow call after print. Should we do the same?
nsDidReflowStatus status = NS_FRAME_REFLOW_FINISHED; // should we use a special status?
frame->DidReflow(shell->GetPresContext(),
nsnull, status); // DidReflow will take care of it
return rv; // done with printing
}
// Screen painting code
#if defined(XP_MAC) || defined(XP_MACOSX)
// delegate all painting to the plugin instance.
if ((NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) && mInstanceOwner)
mInstanceOwner->Paint(aDirtyRect);
#elif defined (XP_WIN) || defined(XP_OS2)
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) {
nsCOMPtr<nsIPluginInstance> inst;
GetPluginInstance(*getter_AddRefs(inst));
if (inst) {
// Look if it's windowless
nsPluginWindow * window;
mInstanceOwner->GetWindow(window);
if (window->type == nsPluginWindowType_Drawable) {
// check if we need to call SetWindow with updated parameters
PRBool doupdatewindow = PR_FALSE;
// check if we need to update hdc
void *data;
aRenderingContext.RetrieveCurrentNativeGraphicData((void**)&data);
PRUint32 hdc = (PRUint32) data;
if (NS_REINTERPRET_CAST(PRUint32, window->window) != hdc) {
window->window = NS_REINTERPRET_CAST(nsPluginPort*, hdc);
doupdatewindow = PR_TRUE;
}
/*
* Layout now has an optimized way of painting. Now we always get
* a new drawing surface, sized to be just what's needed. Windowsless
* plugins need a transform applied to their origin so they paint
* in the right place. Since |SetWindow| is no longer being used
* to tell the plugin where it is, we dispatch a NPWindow through
* |HandleEvent| to tell the plugin when its window moved
*/
// Get the offset of the DC
nsTransform2D* rcTransform;
aRenderingContext.GetCurrentTransform(rcTransform);
nsPoint origin;
rcTransform->GetTranslationCoord(&origin.x, &origin.y);
if ((window->x != origin.x) || (window->y != origin.y)) {
window->x = origin.x;
window->y = origin.y;
doupdatewindow = PR_TRUE;
}
// if our location or visible area has changed, we need to tell the plugin
if (doupdatewindow) {
#ifdef XP_WIN // Windowless plugins on windows need a special event to update their location, see bug 135737
// bug 271442: note, the rectangle we send is now purely the bounds of the plugin
// relative to the window it is contained in, which is useful for the plugin to correctly translate mouse coordinates
//
// this does not mesh with the comments for bug 135737 which imply that the rectangle
// must be clipped in some way to prevent the plugin attempting to paint over areas it shouldn't;
//
// since the two uses of the rectangle are mutually exclusive in some cases,
// and since I don't see any incorrect painting (at least with Flash and ViewPoint - the originator of 135737),
// it seems that windowless plugins are not relying on information here for clipping their drawing,
// and we can safely use this message to tell the plugin exactly where it is in all cases.
origin = GetWindowOriginInPixels(PR_TRUE);
nsRect winlessRect = nsRect(origin, nsSize(window->width, window->height));
if (mWindowlessRect != winlessRect) {
mWindowlessRect = winlessRect;
WINDOWPOS winpos;
memset(&winpos, 0, sizeof(winpos));
winpos.x = mWindowlessRect.x;
winpos.y = mWindowlessRect.y;
winpos.cx = mWindowlessRect.width;
winpos.cy = mWindowlessRect.height;
// finally, update the plugin by sending it a WM_WINDOWPOSCHANGED event
nsPluginEvent pluginEvent;
pluginEvent.event = WM_WINDOWPOSCHANGED;
pluginEvent.wParam = 0;
pluginEvent.lParam = (uint32)&winpos;
PRBool eventHandled = PR_FALSE;
inst->HandleEvent(&pluginEvent, &eventHandled);
}
#endif
inst->SetWindow(window);
}
mInstanceOwner->Paint(aDirtyRect, hdc);
}
}
}
#endif /* !XP_MAC */
DO_GLOBAL_REFLOW_COUNT_DSP("nsObjectFrame", &aRenderingContext);
return NS_OK;
}
NS_IMETHODIMP
nsObjectFrame::HandleEvent(nsPresContext* aPresContext,
nsGUIEvent* anEvent,
nsEventStatus* anEventStatus)
{
NS_ENSURE_ARG_POINTER(anEventStatus);
nsresult rv = NS_OK;
//FIX FOR CRASHING WHEN NO INSTANCE OWVER
if (!mInstanceOwner)
return NS_ERROR_NULL_POINTER;
if (anEvent->message == NS_PLUGIN_ACTIVATE) {
nsIContent* content = GetContent();
if (content) {
content->SetFocus(aPresContext);
return rv;
}
}
#ifdef XP_WIN
rv = nsObjectFrameSuper::HandleEvent(aPresContext, anEvent, anEventStatus);
return rv;
#endif
switch (anEvent->message) {
case NS_DESTROY:
mInstanceOwner->CancelTimer();
break;
case NS_GOTFOCUS:
case NS_LOSTFOCUS:
*anEventStatus = mInstanceOwner->ProcessEvent(*anEvent);
break;
default:
// instead of using an event listener, we can dispatch events to plugins directly.
rv = nsObjectFrameSuper::HandleEvent(aPresContext, anEvent, anEventStatus);
}
return rv;
}
nsresult nsObjectFrame::GetPluginInstance(nsIPluginInstance*& aPluginInstance)
{
aPluginInstance = nsnull;
if (!mInstanceOwner)
return NS_OK;
return mInstanceOwner->GetInstance(aPluginInstance);
}
void
nsObjectFrame::NotifyContentObjectWrapper()
{
nsCOMPtr<nsIDocument> doc = mContent->GetDocument();
if (!doc)
return;
nsIScriptGlobalObject *sgo = doc->GetScriptGlobalObject();
if (!sgo)
return;
nsIScriptContext *scx = sgo->GetContext();
if (!scx)
return;
JSContext *cx = (JSContext *)scx->GetNativeContext();
nsCOMPtr<nsIXPConnectWrappedNative> wrapper;
nsContentUtils::XPConnect()->
GetWrappedNativeOfNativeObject(cx, sgo->GetGlobalJSObject(), mContent,
NS_GET_IID(nsISupports),
getter_AddRefs(wrapper));
if (!wrapper) {
// Nothing to do here if there's no wrapper for mContent
return;
}
nsCOMPtr<nsIClassInfo> ci(do_QueryInterface(mContent));
if (!ci)
return;
nsCOMPtr<nsISupports> s;
ci->GetHelperForLanguage(nsIProgrammingLanguage::JAVASCRIPT,
getter_AddRefs(s));
nsCOMPtr<nsIXPCScriptable> helper(do_QueryInterface(s));
if (!helper) {
// There's nothing we can do if there's no helper
return;
}
JSObject *obj = nsnull;
nsresult rv = wrapper->GetJSObject(&obj);
if (NS_FAILED(rv))
return;
// Abuse the scriptable helper to trigger prototype setup for the
// wrapper for mContent so that this plugin becomes part of the DOM
// object.
helper->PostCreate(wrapper, cx, obj);
}
// static
nsIObjectFrame *
nsObjectFrame::GetNextObjectFrame(nsPresContext* aPresContext, nsIFrame* aRoot)
{
nsIFrame* child = aRoot->GetFirstChild(nsnull);
while (child) {
nsIObjectFrame* outFrame = nsnull;
CallQueryInterface(child, &outFrame);
if (outFrame) {
nsCOMPtr<nsIPluginInstance> pi;
outFrame->GetPluginInstance(*getter_AddRefs(pi)); // make sure we have a REAL plugin
if (pi)
return outFrame;
}
outFrame = GetNextObjectFrame(aPresContext, child);
if (outFrame)
return outFrame;
child = child->GetNextSibling();
}
return nsnull;
}
nsresult
NS_NewObjectFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsObjectFrame* it = new (aPresShell) nsObjectFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
// nsPluginDOMContextMenuListener class implementation
nsPluginDOMContextMenuListener::nsPluginDOMContextMenuListener()
{
}
nsPluginDOMContextMenuListener::~nsPluginDOMContextMenuListener()
{
}
NS_IMPL_ISUPPORTS2(nsPluginDOMContextMenuListener, nsIDOMContextMenuListener, nsIEventListener)
NS_IMETHODIMP
nsPluginDOMContextMenuListener::ContextMenu(nsIDOMEvent* aContextMenuEvent)
{
aContextMenuEvent->PreventDefault(); // consume event
return NS_OK;
}
nsresult nsPluginDOMContextMenuListener::Init(nsObjectFrame *aFrame)
{
nsIContent* content = aFrame->GetContent();
// Register context menu listener
if (content) {
nsCOMPtr<nsIDOMEventTarget> receiver(do_QueryInterface(content));
if (receiver) {
nsCOMPtr<nsIDOMContextMenuListener> cxMenuListener;
QueryInterface(NS_GET_IID(nsIDOMContextMenuListener), getter_AddRefs(cxMenuListener));
if (cxMenuListener) {
receiver->AddEventListener(NS_LITERAL_STRING("contextmenu"), cxMenuListener, PR_TRUE);
return NS_OK;
}
}
}
return NS_ERROR_NO_INTERFACE;
}
nsresult nsPluginDOMContextMenuListener::Destroy(nsObjectFrame *aFrame)
{
nsIContent* content = aFrame->GetContent();
// Unregister context menu listener
if (content) {
nsCOMPtr<nsIDOMEventTarget> receiver(do_QueryInterface(content));
if (receiver) {
nsCOMPtr<nsIDOMContextMenuListener> cxMenuListener;
QueryInterface(NS_GET_IID(nsIDOMContextMenuListener), getter_AddRefs(cxMenuListener));
if (cxMenuListener) {
receiver->RemoveEventListener(NS_LITERAL_STRING("contextmenu"), cxMenuListener, PR_TRUE);
}
else NS_ASSERTION(PR_FALSE, "Unable to remove event listener for plugin");
}
else NS_ASSERTION(PR_FALSE, "plugin was not an event listener");
}
else NS_ASSERTION(PR_FALSE, "plugin had no content");
return NS_OK;
}
//plugin instance owner
nsPluginInstanceOwner::nsPluginInstanceOwner()
{
// create nsPluginNativeWindow object, it is derived from nsPluginWindow
// struct and allows to manipulate native window procedure
nsCOMPtr<nsIPluginHost> ph = do_GetService(kCPluginManagerCID);
nsCOMPtr<nsPIPluginHost> pph(do_QueryInterface(ph));
if (pph)
pph->NewPluginNativeWindow(&mPluginWindow);
else
mPluginWindow = nsnull;
mOwner = nsnull;
mContext = nsnull;
mTagText = nsnull;
mContentFocused = PR_FALSE;
mWidgetVisible = PR_TRUE;
mNumCachedAttrs = 0;
mNumCachedParams = 0;
mCachedAttrParamNames = nsnull;
mCachedAttrParamValues = nsnull;
mInDispatchFocus = PR_FALSE;
}
nsPluginInstanceOwner::~nsPluginInstanceOwner()
{
PRInt32 cnt;
// shut off the timer.
if (mPluginTimer != nsnull) {
CancelTimer();
}
mOwner = nsnull;
for (cnt = 0; cnt < (mNumCachedAttrs + 1 + mNumCachedParams); cnt++) {
if (mCachedAttrParamNames && mCachedAttrParamNames[cnt]) {
PR_Free(mCachedAttrParamNames[cnt]);
mCachedAttrParamNames[cnt] = nsnull;
}
if (mCachedAttrParamValues && mCachedAttrParamValues[cnt]) {
PR_Free(mCachedAttrParamValues[cnt]);
mCachedAttrParamValues[cnt] = nsnull;
}
}
if (mCachedAttrParamNames) {
PR_Free(mCachedAttrParamNames);
mCachedAttrParamNames = nsnull;
}
if (mCachedAttrParamValues) {
PR_Free(mCachedAttrParamValues);
mCachedAttrParamValues = nsnull;
}
if (mTagText) {
NS_Free(mTagText);
mTagText = nsnull;
}
mContext = nsnull;
#if defined(XP_UNIX) && !defined(XP_MACOSX)
// the mem for this struct is allocated
// by PR_MALLOC in ns4xPluginInstance.cpp:ns4xPluginInstance::SetWindow()
if (mPluginWindow && mPluginWindow->ws_info) {
PR_Free(mPluginWindow->ws_info);
mPluginWindow->ws_info = nsnull;
}
#endif
// clean up plugin native window object
nsCOMPtr<nsIPluginHost> ph = do_GetService(kCPluginManagerCID);
nsCOMPtr<nsPIPluginHost> pph(do_QueryInterface(ph));
if (pph) {
pph->DeletePluginNativeWindow(mPluginWindow);
mPluginWindow = nsnull;
}
}
/*
* nsISupports Implementation
*/
NS_IMPL_ADDREF(nsPluginInstanceOwner)
NS_IMPL_RELEASE(nsPluginInstanceOwner)
NS_INTERFACE_MAP_BEGIN(nsPluginInstanceOwner)
NS_INTERFACE_MAP_ENTRY(nsIPluginInstanceOwner)
NS_INTERFACE_MAP_ENTRY(nsIPluginTagInfo)
NS_INTERFACE_MAP_ENTRY(nsIPluginTagInfo2)
#ifdef OJI
NS_INTERFACE_MAP_ENTRY(nsIJVMPluginTagInfo)
#endif
NS_INTERFACE_MAP_ENTRY(nsIEventListener)
NS_INTERFACE_MAP_ENTRY(nsITimerCallback)
NS_INTERFACE_MAP_ENTRY(nsIDOMMouseListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMMouseMotionListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMKeyListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMFocusListener)
NS_INTERFACE_MAP_ENTRY(nsIScrollPositionListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMDragListener)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMEventListener, nsIDOMMouseListener)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIPluginInstanceOwner)
NS_INTERFACE_MAP_END
NS_IMETHODIMP nsPluginInstanceOwner::SetInstance(nsIPluginInstance *aInstance)
{
mInstance = aInstance;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetWindow(nsPluginWindow *&aWindow)
{
NS_ASSERTION(mPluginWindow, "the plugin window object being returned is null");
aWindow = mPluginWindow;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetMode(nsPluginMode *aMode)
{
nsCOMPtr<nsIDocument> doc;
nsresult rv = GetDocument(getter_AddRefs(doc));
nsCOMPtr<nsIPluginDocument> pDoc (do_QueryInterface(doc));
if (pDoc) {
*aMode = nsPluginMode_Full;
} else {
*aMode = nsPluginMode_Embedded;
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAttributes(PRUint16& n,
const char*const*& names,
const char*const*& values)
{
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
n = mNumCachedAttrs;
names = (const char **)mCachedAttrParamNames;
values = (const char **)mCachedAttrParamValues;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAttribute(const char* name, const char* *result)
{
NS_ENSURE_ARG_POINTER(name);
NS_ENSURE_ARG_POINTER(result);
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
*result = nsnull;
for (int i = 0; i < mNumCachedAttrs; i++) {
if (0 == PL_strcasecmp(mCachedAttrParamNames[i], name)) {
*result = mCachedAttrParamValues[i];
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDOMElement(nsIDOMElement* *result)
{
NS_ENSURE_ARG_POINTER(result);
nsresult rv = NS_ERROR_FAILURE;
*result = nsnull;
if (nsnull != mOwner) {
nsIContent* cont = mOwner->GetContent();
if (cont) {
rv = cont->QueryInterface(NS_GET_IID(nsIDOMElement), (void **)result);
}
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetInstance(nsIPluginInstance *&aInstance)
{
NS_IF_ADDREF(aInstance = mInstance);
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetURL(const char *aURL, const char *aTarget, void *aPostData, PRUint32 aPostDataLen, void *aHeadersData,
PRUint32 aHeadersDataLen, PRBool isFile)
{
NS_ENSURE_TRUE(mOwner,NS_ERROR_NULL_POINTER);
NS_ENSURE_TRUE(mContext,NS_ERROR_NULL_POINTER);
// the container of the pres context will give us the link handler
nsCOMPtr<nsISupports> container = mContext->GetContainer();
NS_ENSURE_TRUE(container,NS_ERROR_FAILURE);
nsCOMPtr<nsILinkHandler> lh = do_QueryInterface(container);
NS_ENSURE_TRUE(lh, NS_ERROR_FAILURE);
nsAutoString unitarget; unitarget.AssignASCII(aTarget); // XXX could this be nonascii?
nsCOMPtr<nsIURI> baseURL;
nsCOMPtr<nsIDocument> doc;
nsresult rv = GetDocument(getter_AddRefs(doc));
if (NS_SUCCEEDED(rv) && doc) {
// XXX should this really be the document base URL? Or the
// content's base URL?
baseURL = doc->GetBaseURI(); // gets the document's url
} else {
baseURL = mOwner->GetFullURL(); // gets the plugin's content url
}
// Create an absolute URL
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), aURL, baseURL);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
nsIContent* content = mOwner->GetContent();
NS_ENSURE_TRUE(content, NS_ERROR_FAILURE);
nsCOMPtr<nsIInputStream> postDataStream;
nsCOMPtr<nsIInputStream> headersDataStream;
// deal with post data, either in a file or raw data, and any headers
if (aPostData) {
rv = NS_NewPluginPostDataStream(getter_AddRefs(postDataStream), (const char *)aPostData, aPostDataLen, isFile);
NS_ASSERTION(NS_SUCCEEDED(rv),"failed in creating plugin post data stream");
if (NS_FAILED(rv))
return rv;
if (aHeadersData) {
rv = NS_NewPluginPostDataStream(getter_AddRefs(headersDataStream),
(const char *) aHeadersData,
aHeadersDataLen,
PR_FALSE,
PR_TRUE); // last arg says we are headers, no /r/n/r/n fixup!
NS_ASSERTION(NS_SUCCEEDED(rv),"failed in creating plugin header data stream");
if (NS_FAILED(rv))
return rv;
}
}
PRInt32 blockPopups =
nsContentUtils::GetIntPref("privacy.popups.disable_from_plugins");
nsAutoPopupStatePusher popupStatePusher((PopupControlState)blockPopups);
rv = lh->OnLinkClick(content, eLinkVerb_Replace,
uri, unitarget.get(),
postDataStream, headersDataStream);
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::ShowStatus(const char *aStatusMsg)
{
nsresult rv = NS_ERROR_FAILURE;
rv = this->ShowStatus(NS_ConvertUTF8toUCS2(aStatusMsg).get());
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::ShowStatus(const PRUnichar *aStatusMsg)
{
nsresult rv = NS_ERROR_FAILURE;
if (!mContext) {
return rv;
}
nsCOMPtr<nsISupports> cont = mContext->GetContainer();
if (!cont) {
return NS_OK;
}
nsCOMPtr<nsIDocShellTreeItem> docShellItem(do_QueryInterface(cont, &rv));
if (NS_FAILED(rv) || !docShellItem) {
return rv;
}
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
rv = docShellItem->GetTreeOwner(getter_AddRefs(treeOwner));
if (NS_FAILED(rv) || !treeOwner) {
return rv;
}
nsCOMPtr<nsIWebBrowserChrome> browserChrome(do_GetInterface(treeOwner, &rv));
if (NS_FAILED(rv) || !browserChrome) {
return rv;
}
rv = browserChrome->SetStatus(nsIWebBrowserChrome::STATUS_SCRIPT,
aStatusMsg);
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocument(nsIDocument* *aDocument)
{
if (!aDocument)
return NS_ERROR_NULL_POINTER;
*aDocument = nsnull;
if (nsnull != mContext) {
nsIPresShell *shell = mContext->GetPresShell();
if (shell)
NS_IF_ADDREF(*aDocument = shell->GetDocument());
}
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::InvalidateRect(nsPluginRect *invalidRect)
{
nsresult rv = NS_ERROR_FAILURE;
if (mOwner && invalidRect && mWidgetVisible) {
//no reference count on view
nsIView* view = mOwner->GetView();
if (view) {
float ptot;
ptot = mContext->PixelsToTwips();
nsRect rect((int)(ptot * invalidRect->left),
(int)(ptot * invalidRect->top),
(int)(ptot * (invalidRect->right - invalidRect->left)),
(int)(ptot * (invalidRect->bottom - invalidRect->top)));
//set flags to not do a synchronous update, force update does the redraw
view->GetViewManager()->UpdateView(view, rect, NS_VMREFRESH_NO_SYNC);
}
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::InvalidateRegion(nsPluginRegion invalidRegion)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsPluginInstanceOwner::ForceRedraw()
{
nsIView* view = mOwner->GetView();
if (view) {
return view->GetViewManager()->Composite();
}
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetValue(nsPluginInstancePeerVariable variable, void *value)
{
nsresult rv = NS_ERROR_FAILURE;
switch(variable) {
case nsPluginInstancePeerVariable_NetscapeWindow:
{
// get the document's widget from the view manager
// get the view manager from the pres shell, not from the view!
// we may not have a view if we are hidden
if (mContext) {
void** pvalue = (void**)value;
nsIViewManager* vm = mContext->GetViewManager();
if (vm) {
#if defined(XP_WIN)
// This property is provided to allow a "windowless" plugin to determine the window it is drawing
// in, so it can translate mouse coordinates it receives directly from the operating system
// to coordinates relative to itself.
// The original code (outside this #if) returns the document's window, which is OK if the window the "windowless" plugin
// is drawing into has the same origin as the document's window, but this is not the case for "windowless" plugins inside of scrolling DIVs etc
// To make sure "windowless" plugins always get the right origin for translating mouse coordinates, this code
// determines the window handle of the mozilla window containing the "windowless" plugin.
// Given that this HWND may not be that of the document's window, there is a slight risk
// of confusing a plugin that is using this HWND for illicit purposes, but since the documentation
// does not suggest this HWND IS that of the document window, rather that of the window
// the plugin is drawn in, this seems like a safe fix.
// we only attempt to get the nearest window if this really is a "windowless" plugin so as not
// to change any behaviour for the much more common windowed plugins,
// though why this method would even be being called for a windowed plugin escapes me.
if (mPluginWindow && mPluginWindow->type == nsPluginWindowType_Drawable) {
if (mOwner) {
// it turns out that flash also uses this window for determining focus, and is currently
// unable to show a caret correctly if we return the enclosing window. Therefore for
// now we only return the enclosing window when there is an actual offset which
// would otherwise cause coordinates to be offset incorrectly. (i.e.
// if the enclosing window if offset from the document window)
//
// fixing both the caret and ability to interact issues for a windowless control in a non document aligned windw
// does not seem to be possible without a change to the flash plugin
nsIWidget* win = mOwner->GetWindow();
if (win) {
nsIView *view = nsIView::GetViewFor(win);
NS_ASSERTION(view, "No view for widget");
nsIView *rootView = nsnull;
vm->GetRootView(rootView);
NS_ASSERTION(rootView, "No root view");
nsPoint offset = view->GetOffsetTo(rootView);
if (offset.x || offset.y) {
// in the case the two windows are offset from eachother, we do go ahead and return the correct enclosing window
// so that mouse co-ordinates are not messed up.
*pvalue = (void*)win->GetNativeData(NS_NATIVE_WINDOW);
if (*pvalue) {
return NS_OK;
}
}
}
}
}
#endif
// simply return the document window
nsCOMPtr<nsIWidget> widget;
rv = vm->GetWidget(getter_AddRefs(widget));
if (widget) {
*pvalue = (void*)widget->GetNativeData(NS_NATIVE_WINDOW);
} else NS_ASSERTION(widget, "couldn't get doc's widget in getting doc's window handle");
} else NS_ASSERTION(vm, "couldn't get view manager in getting doc's window handle");
} else NS_ASSERTION(mContext, "plugin owner has no pres context in getting doc's window handle");
break;
}
}
return rv;
}
NS_IMETHODIMP
nsPluginInstanceOwner::PluginNotAvailable(const char *aMimeType)
{
if (mOwner) {
mOwner->PluginNotAvailable(aMimeType);
}
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetTagType(nsPluginTagType *result)
{
NS_ENSURE_ARG_POINTER(result);
nsresult rv = NS_ERROR_FAILURE;
*result = nsPluginTagType_Unknown;
if (mOwner) {
nsIContent* cont = mOwner->GetContent();
if (cont) {
nsIAtom *atom = cont->Tag();
if (atom == nsHTMLAtoms::applet)
*result = nsPluginTagType_Applet;
else if (atom == nsHTMLAtoms::embed)
*result = nsPluginTagType_Embed;
else if (atom == nsHTMLAtoms::object)
*result = nsPluginTagType_Object;
rv = NS_OK;
}
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetTagText(const char* *result)
{
NS_ENSURE_ARG_POINTER(result);
if (nsnull == mTagText) {
nsresult rv;
nsIContent* content = mOwner->GetContent();
nsCOMPtr<nsIDOMNode> node(do_QueryInterface(content, &rv));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDocument> document;
rv = GetDocument(getter_AddRefs(document));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDocumentEncoder> docEncoder(do_CreateInstance(NS_DOC_ENCODER_CONTRACTID_BASE "text/html", &rv));
if (NS_FAILED(rv))
return rv;
rv = docEncoder->Init(document, NS_LITERAL_STRING("text/html"), nsIDocumentEncoder::OutputEncodeBasicEntities);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDOMRange> range(do_CreateInstance(kRangeCID,&rv));
if (NS_FAILED(rv))
return rv;
rv = range->SelectNode(node);
if (NS_FAILED(rv))
return rv;
docEncoder->SetRange(range);
nsString elementHTML;
rv = docEncoder->EncodeToString(elementHTML);
if (NS_FAILED(rv))
return rv;
mTagText = ToNewUTF8String(elementHTML);
if (!mTagText)
return NS_ERROR_OUT_OF_MEMORY;
}
*result = mTagText;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetParameters(PRUint16& n, const char*const*& names, const char*const*& values)
{
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
n = mNumCachedParams;
if (n) {
names = (const char **)(mCachedAttrParamNames + mNumCachedAttrs + 1);
values = (const char **)(mCachedAttrParamValues + mNumCachedAttrs + 1);
} else
names = values = nsnull;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetParameter(const char* name, const char* *result)
{
NS_ENSURE_ARG_POINTER(name);
NS_ENSURE_ARG_POINTER(result);
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
*result = nsnull;
for (int i = mNumCachedAttrs + 1; i < (mNumCachedParams + 1 + mNumCachedAttrs); i++) {
if (0 == PL_strcasecmp(mCachedAttrParamNames[i], name)) {
*result = mCachedAttrParamValues[i];
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocumentBase(const char* *result)
{
NS_ENSURE_ARG_POINTER(result);
nsresult rv = NS_OK;
if (mDocumentBase.IsEmpty()) {
if (nsnull == mContext) {
*result = nsnull;
return NS_ERROR_FAILURE;
}
rv = mContext->PresShell()->GetDocument()->GetBaseURI()->GetSpec(mDocumentBase);
}
if (NS_SUCCEEDED(rv))
*result = ToNewCString(mDocumentBase);
return rv;
}
static nsHashtable *gCharsetMap = nsnull;
typedef struct {
char mozName[16];
char javaName[12];
} moz2javaCharset;
/* XXX If you add any strings longer than
* {"x-mac-cyrillic", "MacCyrillic"},
* {"x-mac-ukrainian", "MacUkraine"},
* to the following array then you MUST update the
* sizes of the arrays in the moz2javaCharset struct
*/
static const moz2javaCharset charsets[] =
{
{"windows-1252", "Cp1252"},
{"IBM850", "Cp850"},
{"IBM852", "Cp852"},
{"IBM855", "Cp855"},
{"IBM857", "Cp857"},
{"IBM828", "Cp862"},
{"IBM864", "Cp864"},
{"IBM866", "Cp866"},
{"windows-1250", "Cp1250"},
{"windows-1251", "Cp1251"},
{"windows-1253", "Cp1253"},
{"windows-1254", "Cp1254"},
{"windows-1255", "Cp1255"},
{"windows-1256", "Cp1256"},
{"windows-1257", "Cp1257"},
{"windows-1258", "Cp1258"},
{"EUC-JP", "EUC_JP"},
{"EUC-KR", "EUC_KR"},
{"x-euc-tw", "EUC_TW"},
{"gb18030", "GB18030"},
{"x-gbk", "GBK"},
{"ISO-2022-JP", "ISO2022JP"},
{"ISO-2022-KR", "ISO2022KR"},
{"ISO-8859-2", "ISO8859_2"},
{"ISO-8859-3", "ISO8859_3"},
{"ISO-8859-4", "ISO8859_4"},
{"ISO-8859-5", "ISO8859_5"},
{"ISO-8859-6", "ISO8859_6"},
{"ISO-8859-7", "ISO8859_7"},
{"ISO-8859-8", "ISO8859_8"},
{"ISO-8859-9", "ISO8859_9"},
{"ISO-8859-13", "ISO8859_13"},
{"x-johab", "Johab"},
{"KOI8-R", "KOI8_R"},
{"TIS-620", "MS874"},
{"windows-936", "MS936"},
{"x-windows-949", "MS949"},
{"x-mac-arabic", "MacArabic"},
{"x-mac-croatian", "MacCroatia"},
{"x-mac-cyrillic", "MacCyrillic"},
{"x-mac-greek", "MacGreek"},
{"x-mac-hebrew", "MacHebrew"},
{"x-mac-icelandic", "MacIceland"},
{"x-mac-roman", "MacRoman"},
{"x-mac-romanian", "MacRomania"},
{"x-mac-ukrainian", "MacUkraine"},
{"Shift_JIS", "SJIS"},
{"TIS-620", "TIS620"}
};
NS_IMETHODIMP nsPluginInstanceOwner::GetDocumentEncoding(const char* *result)
{
NS_ENSURE_ARG_POINTER(result);
*result = nsnull;
nsresult rv;
nsCOMPtr<nsIDocument> doc;
rv = GetDocument(getter_AddRefs(doc));
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to get document");
if (NS_FAILED(rv))
return rv;
const nsACString &charset = doc->GetDocumentCharacterSet();
if (charset.IsEmpty())
return NS_OK;
// common charsets and those not requiring conversion first
if (charset.EqualsLiteral("us-ascii")) {
*result = PL_strdup("US_ASCII");
} else if (charset.EqualsLiteral("ISO-8859-1") ||
!nsCRT::strncmp(PromiseFlatCString(charset).get(), "UTF", 3)) {
*result = ToNewCString(charset);
} else {
if (!gCharsetMap) {
gCharsetMap = new nsHashtable(sizeof(charsets)/sizeof(moz2javaCharset));
if (!gCharsetMap)
return NS_ERROR_OUT_OF_MEMORY;
for (PRUint16 i = 0; i < sizeof(charsets)/sizeof(moz2javaCharset); i++) {
nsCStringKey key(charsets[i].mozName);
gCharsetMap->Put(&key, (void *)(charsets[i].javaName));
}
}
nsCStringKey mozKey(charset);
// if found mapping, return it; otherwise return original charset
char *mapping = (char *)gCharsetMap->Get(&mozKey);
*result = mapping ? PL_strdup(mapping) : ToNewCString(charset);
}
return (*result) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAlignment(const char* *result)
{
return GetAttribute("ALIGN", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetWidth(PRUint32 *result)
{
NS_ENSURE_ARG_POINTER(result);
NS_ENSURE_TRUE(mPluginWindow, NS_ERROR_NULL_POINTER);
*result = mPluginWindow->width;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetHeight(PRUint32 *result)
{
NS_ENSURE_ARG_POINTER(result);
NS_ENSURE_TRUE(mPluginWindow, NS_ERROR_NULL_POINTER);
*result = mPluginWindow->height;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetBorderVertSpace(PRUint32 *result)
{
nsresult rv;
const char *vspace;
rv = GetAttribute("VSPACE", &vspace);
if (NS_OK == rv) {
if (*result != 0)
*result = (PRUint32)atol(vspace);
else
*result = 0;
}
else
*result = 0;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetBorderHorizSpace(PRUint32 *result)
{
nsresult rv;
const char *hspace;
rv = GetAttribute("HSPACE", &hspace);
if (NS_OK == rv) {
if (*result != 0)
*result = (PRUint32)atol(hspace);
else
*result = 0;
}
else
*result = 0;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetUniqueID(PRUint32 *result)
{
NS_ENSURE_ARG_POINTER(result);
*result = NS_PTR_TO_INT32(mContext);
return NS_OK;
}
#ifdef OJI
NS_IMETHODIMP nsPluginInstanceOwner::GetCode(const char* *result)
{
nsresult rv;
nsPluginTagType tagType;
NS_ENSURE_SUCCESS(rv = GetTagType(&tagType), rv);
rv = NS_ERROR_FAILURE;
if (nsPluginTagType_Object != tagType)
rv = GetAttribute("CODE", result);
if (NS_FAILED(rv))
rv = GetParameter("CODE", result);
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetCodeBase(const char* *result)
{
nsresult rv;
if (NS_FAILED(rv = GetAttribute("CODEBASE", result)))
rv = GetParameter("CODEBASE", result);
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetArchive(const char* *result)
{
nsresult rv;
if (NS_FAILED(rv = GetAttribute("ARCHIVE", result)))
rv = GetParameter("ARCHIVE", result);
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetName(const char* *result)
{
nsresult rv;
nsPluginTagType tagType;
NS_ENSURE_SUCCESS(rv = GetTagType(&tagType), rv);
rv = NS_ERROR_FAILURE;
if (nsPluginTagType_Object != tagType)
rv = GetAttribute("NAME", result);
if (NS_FAILED(rv))
rv = GetParameter("NAME", result);
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetMayScript(PRBool *result)
{
NS_ENSURE_ARG_POINTER(result);
nsPluginTagType tagType;
NS_ENSURE_SUCCESS(GetTagType(&tagType), NS_ERROR_FAILURE);
const char* unused;
if (nsPluginTagType_Object == tagType)
*result = NS_SUCCEEDED(GetParameter("MAYSCRIPT", &unused));
else
*result = NS_SUCCEEDED(GetAttribute("MAYSCRIPT", &unused));
return NS_OK;
}
#endif /* OJI */
// Little helper function to resolve relative URL in
// |value| for certain inputs of |name|
void nsObjectFrame::FixUpURLS(const nsString &name, nsAString &value)
{
if (name.LowerCaseEqualsLiteral("pluginurl") ||
name.LowerCaseEqualsLiteral("pluginspage")) {
nsCOMPtr<nsIURI> baseURI = mContent->GetBaseURI();
nsAutoString newURL;
NS_MakeAbsoluteURI(newURL, value, baseURI);
if (!newURL.IsEmpty())
value = newURL;
}
}
void
nsObjectFrame::PluginNotAvailable(const char *aMimeType)
{
if (!aMimeType) {
NS_ERROR("bogus type... behavior will be broken");
return;
}
nsDependentCString type(aMimeType);
// Tell mContent about the mime type
nsCOMPtr<nsIPluginElement> pluginElement(do_QueryInterface(mContent));
if (pluginElement) {
pluginElement->SetActualType(type);
}
if (!sDefaultPluginDisabled) {
// The default plugin is enabled, don't fire events etc.
return;
}
// For non-image and non-document mime types, fire the plugin not
// found event and mark this plugin as broken.
if (!IsSupportedImage(type) &&
!IsSupportedDocument(mContent, type)) {
mIsBrokenPlugin = PR_TRUE;
nsIDocument *doc = mContent->GetDocument();
if (!doc) {
return;
}
mState |= NS_FRAME_HAS_DIRTY_CHILDREN;
GetParent()->ReflowDirtyChild(doc->GetShellAt(0), this);
// Make sure to fire the event AFTER we've finished touching out members.
// Hold a strong ref to our content across this event dispatch.
nsCOMPtr<nsIContent> kungFuDeathGrip(mContent);
FirePluginNotFoundEvent(mContent);
}
}
// Cache the attributes and/or parameters of our tag into a single set
// of arrays to be compatible with 4.x. The attributes go first,
// followed by a PARAM/null and then any PARAM tags. Also, hold the
// cached array around for the duration of the life of the instance
// because 4.x did. See bug 111008.
nsresult nsPluginInstanceOwner::EnsureCachedAttrParamArrays()
{
if (mCachedAttrParamValues)
return NS_OK;
NS_PRECONDITION(((mNumCachedAttrs + mNumCachedParams) == 0) &&
!mCachedAttrParamNames,
"re-cache of attrs/params not implemented! use the DOM "
"node directy instead");
NS_ENSURE_TRUE(mOwner, NS_ERROR_NULL_POINTER);
// first, we need to find out how much we need to allocate for our
// arrays count up attributes
mNumCachedAttrs = 0;
nsIContent* content = mOwner->GetContent();
nsresult rv = NS_OK;
NS_ENSURE_TRUE(content, rv);
PRUint32 cattrs = content->GetAttrCount();
if (cattrs < 0x0000FFFF) {
// unsigned 32 bits to unsigned 16 bits conversion
mNumCachedAttrs = NS_STATIC_CAST(PRUint16, cattrs);
} else {
mNumCachedAttrs = 0xFFFE; // minus one in case we add an extra "src" entry below
}
// now, we need to find all the PARAM tags that are children of us
// however, be carefull NOT to include any PARAMs that don't have us
// as a direct parent. For nested object (or applet) tags, be sure
// to only round up the param tags that coorespond with THIS
// instance. And also, weed out any bogus tags that may get in the
// way, see bug 39609. Then, with any param tag that meet our
// qualification, temporarly cache them in an nsISupportsArray until
// we can figure out what size to make our fixed char* array.
mNumCachedParams = 0;
nsCOMPtr<nsISupportsArray> ourParams;
rv = NS_NewISupportsArray(getter_AddRefs(ourParams));
NS_ENSURE_SUCCESS(rv, rv);
// use the DOM to get us ALL our dependant PARAM tags, even if not
// ours
nsCOMPtr<nsIDOMElement> mydomElement = do_QueryInterface(content);
NS_ENSURE_TRUE(mydomElement, NS_ERROR_NO_INTERFACE);
nsCOMPtr<nsIDOMNodeList> allParams;
nsINodeInfo *ni = content->GetNodeInfo();
if (ni->NamespaceEquals(kNameSpaceID_XHTML)) {
// For XHTML elements we need to take the namespace URI into
// account when looking for param elements.
NS_NAMED_LITERAL_STRING(xhtml_ns, "http://www.w3.org/1999/xhtml");
mydomElement->GetElementsByTagNameNS(xhtml_ns, NS_LITERAL_STRING("param"),
getter_AddRefs(allParams));
} else {
// If content is not XHTML, it must be HTML, no need to worry
// about namespaces then...
mydomElement->GetElementsByTagName(NS_LITERAL_STRING("param"),
getter_AddRefs(allParams));
}
if (allParams) {
PRUint32 numAllParams;
allParams->GetLength(&numAllParams);
// loop through every so called dependant PARAM tag to check if it
// "belongs" to us
for (PRUint32 i = 0; i < numAllParams; i++) {
nsCOMPtr<nsIDOMNode> pnode;
allParams->Item(i, getter_AddRefs(pnode));
nsCOMPtr<nsIDOMElement> domelement = do_QueryInterface(pnode);
if (domelement) {
// let's NOT count up param tags that don't have a name attribute
nsAutoString name;
domelement->GetAttribute(NS_LITERAL_STRING("name"), name);
if (!name.IsEmpty()) {
nsCOMPtr<nsIDOMNode> parent;
nsCOMPtr<nsIDOMHTMLObjectElement> domobject;
nsCOMPtr<nsIDOMHTMLAppletElement> domapplet;
pnode->GetParentNode(getter_AddRefs(parent));
// walk up the parents of this PARAM until we find an object
// (or applet) tag
while (!(domobject || domapplet) && parent) {
domobject = do_QueryInterface(parent);
domapplet = do_QueryInterface(parent);
nsCOMPtr<nsIDOMNode> temp;
parent->GetParentNode(getter_AddRefs(temp));
parent = temp;
}
if (domapplet || domobject) {
if (domapplet)
parent = do_QueryInterface(domapplet);
else
parent = do_QueryInterface(domobject);
// now check to see if this PARAM's parent is us. if so,
// cache it for later
nsCOMPtr<nsIDOMNode> mydomNode = do_QueryInterface(mydomElement);
if (parent == mydomNode) {
ourParams->AppendElement(pnode);
}
}
}
}
}
}
PRUint32 cparams;
ourParams->Count(&cparams); // unsigned 32 bits to unsigned 16 bits conversion
if (cparams < 0x0000FFFF)
mNumCachedParams = NS_STATIC_CAST(PRUint16, cparams);
else
mNumCachedParams = 0xFFFF;
// Some plugins were never written to understand the "data" attribute of the OBJECT tag.
// Real and WMP will not play unless they find a "src" attribute, see bug 152334.
// Nav 4.x would simply replace the "data" with "src". Because some plugins correctly
// look for "data", lets instead copy the "data" attribute and add another entry
// to the bottom of the array if there isn't already a "src" specified.
PRInt16 numRealAttrs = mNumCachedAttrs;
nsAutoString data;
nsIAtom *tag = content->Tag();
if (nsHTMLAtoms::object == tag
&& !content->HasAttr(kNameSpaceID_None, nsHTMLAtoms::src)
&& NS_CONTENT_ATTR_NOT_THERE != content->GetAttr(kNameSpaceID_None, nsHTMLAtoms::data, data)) {
mNumCachedAttrs++;
}
// now lets make the arrays
mCachedAttrParamNames = (char **)PR_Calloc(sizeof(char *) * (mNumCachedAttrs + 1 + mNumCachedParams), 1);
NS_ENSURE_TRUE(mCachedAttrParamNames, NS_ERROR_OUT_OF_MEMORY);
mCachedAttrParamValues = (char **)PR_Calloc(sizeof(char *) * (mNumCachedAttrs + 1 + mNumCachedParams), 1);
NS_ENSURE_TRUE(mCachedAttrParamValues, NS_ERROR_OUT_OF_MEMORY);
// let's fill in our attributes
PRInt16 c = 0;
// Some plugins (eg Flash, see bug 234675.) are actually sensitive to the
// attribute order. So we want to make sure we give the plugin the
// attributes in the order they came in in the source, to be compatible with
// other browsers. Now in HTML, the storage order is the reverse of the
// source order, while in XML and XHTML it's the same as the source order
// (see the AddAttributes functions in the HTML and XML content sinks).
PRInt16 start, end, increment;
if (content->IsContentOfType(nsIContent::eHTML) &&
content->GetNodeInfo()->NamespaceEquals(kNameSpaceID_None)) {
// HTML. Walk attributes in reverse order.
start = numRealAttrs - 1;
end = -1;
increment = -1;
} else {
// XHTML or XML. Walk attributes in forward order.
start = 0;
end = numRealAttrs;
increment = 1;
}
for (PRInt16 index = start; index != end; index += increment) {
PRInt32 nameSpaceID;
nsCOMPtr<nsIAtom> atom;
nsCOMPtr<nsIAtom> prefix;
content->GetAttrNameAt(index, &nameSpaceID,
getter_AddRefs(atom),
getter_AddRefs(prefix));
nsAutoString value;
if (NS_CONTENT_ATTR_NOT_THERE != content->GetAttr(nameSpaceID, atom, value)) {
nsAutoString name;
atom->ToString(name);
mOwner->FixUpURLS(name, value);
mCachedAttrParamNames [c] = ToNewUTF8String(name);
mCachedAttrParamValues[c] = ToNewUTF8String(value);
c++;
}
}
// if the conditions above were met, copy the "data" attribute to a "src" array entry
if (data.Length()) {
mCachedAttrParamNames [mNumCachedAttrs-1] = ToNewUTF8String(NS_LITERAL_STRING("SRC"));
mCachedAttrParamValues[mNumCachedAttrs-1] = ToNewUTF8String(data);
}
// add our PARAM and null separator
mCachedAttrParamNames [mNumCachedAttrs] = ToNewUTF8String(NS_LITERAL_STRING("PARAM"));
mCachedAttrParamValues[mNumCachedAttrs] = nsnull;
// now fill in the PARAM name/value pairs from the cached DOM nodes
c = 0;
for (PRInt16 idx = 0; idx < mNumCachedParams; idx++) {
nsCOMPtr<nsIDOMElement> param = do_QueryElementAt(ourParams, idx);
if (param) {
nsAutoString name;
nsAutoString value;
param->GetAttribute(NS_LITERAL_STRING("name"), name); // check for empty done above
param->GetAttribute(NS_LITERAL_STRING("value"), value);
mOwner->FixUpURLS(name, value);
/*
* According to the HTML 4.01 spec, at
* http://www.w3.org/TR/html4/types.html#type-cdata
* ''User agents may ignore leading and trailing
* white space in CDATA attribute values (e.g., "
* myval " may be interpreted as "myval"). Authors
* should not declare attribute values with
* leading or trailing white space.''
* However, do not trim consecutive spaces as in bug 122119
*/
name.Trim(" \n\r\t\b", PR_TRUE, PR_TRUE, PR_FALSE);
value.Trim(" \n\r\t\b", PR_TRUE, PR_TRUE, PR_FALSE);
mCachedAttrParamNames [mNumCachedAttrs + 1 + c] = ToNewUTF8String(name);
mCachedAttrParamValues[mNumCachedAttrs + 1 + c] = ToNewUTF8String(value);
c++; // rules!
}
}
return NS_OK;
}
// Here's where we forward events to plugins.
#if defined(XP_MAC) || defined(XP_MACOSX)
#if TARGET_CARBON
static void InitializeEventRecord(EventRecord* event)
{
memset(event, 0, sizeof(EventRecord));
::GetGlobalMouse(&event->where);
event->when = ::TickCount();
event->modifiers = ::GetCurrentKeyModifiers();
}
#else
inline void InitializeEventRecord(EventRecord* event) { ::OSEventAvail(0, event); }
#endif
void nsPluginInstanceOwner::GUItoMacEvent(const nsGUIEvent& anEvent, EventRecord* origEvent, EventRecord& aMacEvent)
{
nsPresContext* presContext = mOwner ? mOwner->GetPresContext() : nsnull;
InitializeEventRecord(&aMacEvent);
switch (anEvent.message) {
case NS_FOCUS_EVENT_START: // this is the same as NS_FOCUS_CONTENT
aMacEvent.what = nsPluginEventType_GetFocusEvent;
if (presContext) {
nsIContent* content = mOwner->GetContent();
if (content)
content->SetFocus(presContext);
}
break;
case NS_BLUR_CONTENT:
aMacEvent.what = nsPluginEventType_LoseFocusEvent;
if (presContext) {
nsIContent* content = mOwner->GetContent();
if (content)
content->RemoveFocus(presContext);
}
break;
case NS_MOUSE_MOVE:
case NS_MOUSE_ENTER:
if (origEvent)
aMacEvent = *origEvent;
aMacEvent.what = nsPluginEventType_AdjustCursorEvent;
break;
}
}
#endif
nsresult nsPluginInstanceOwner::ScrollPositionWillChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY)
{
#if defined(XP_MAC) || defined(XP_MACOSX)
CancelTimer();
if (mInstance) {
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
EventRecord scrollEvent;
InitializeEventRecord(&scrollEvent);
scrollEvent.what = nsPluginEventType_ScrollingBeginsEvent;
nsPluginPort* pluginPort = FixUpPluginWindow(ePluginPaintDisable);
if (pluginPort) {
nsPluginEvent pluginEvent = { &scrollEvent, nsPluginPlatformWindowRef(GetWindowFromPort(pluginPort->port)) };
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
pluginWidget->EndDrawPlugin();
}
}
#endif
return NS_OK;
}
nsresult nsPluginInstanceOwner::ScrollPositionDidChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY)
{
#if defined(XP_MACOSX)
if (mInstance) {
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
EventRecord scrollEvent;
InitializeEventRecord(&scrollEvent);
scrollEvent.what = nsPluginEventType_ScrollingEndsEvent;
nsPluginPort* pluginPort = FixUpPluginWindow(ePluginPaintEnable);
if (pluginPort) {
nsPluginEvent pluginEvent =
{ &scrollEvent,
nsPluginPlatformWindowRef(GetWindowFromPort(pluginPort->port))
};
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
pluginWidget->EndDrawPlugin();
}
// FIXME - Only invalidate the newly revealed amount.
// XXX necessary?
if (mWidget)
mWidget->Invalidate(PR_TRUE);
}
#endif
StartTimer();
return NS_OK;
}
/*=============== nsIFocusListener ======================*/
nsresult nsPluginInstanceOwner::Focus(nsIDOMEvent * aFocusEvent)
{
mContentFocused = PR_TRUE;
return DispatchFocusToPlugin(aFocusEvent);
}
nsresult nsPluginInstanceOwner::Blur(nsIDOMEvent * aFocusEvent)
{
mContentFocused = PR_FALSE;
return DispatchFocusToPlugin(aFocusEvent);
}
nsresult nsPluginInstanceOwner::DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent)
{
#if !(defined(XP_MAC) || defined(XP_MACOSX))
if (!mPluginWindow || nsPluginWindowType_Window == mPluginWindow->type) {
// continue only for cases without child window
return aFocusEvent->PreventDefault(); // consume event
}
#endif
if (mInDispatchFocus) {
NS_WARNING("nsPluginInstanceOwner::DispatchFocusToPlugin() called recursively on same plugin instance owner");
return aFocusEvent->PreventDefault();
}
mInDispatchFocus = PR_TRUE;
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aFocusEvent));
if (privateEvent) {
nsEvent * theEvent;
privateEvent->GetInternalNSEvent(&theEvent);
if (theEvent) {
// we only care about the message in ProcessEvent
nsGUIEvent focusEvent(NS_IS_TRUSTED_EVENT(theEvent), theEvent->message,
nsnull);
nsEventStatus rv = ProcessEvent(focusEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aFocusEvent->PreventDefault();
aFocusEvent->StopPropagation();
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchFocusToPlugin failed, focusEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchFocusToPlugin failed, privateEvent null");
mInDispatchFocus = PR_FALSE;
return NS_OK;
}
/*=============== nsIDOMDragListener ======================*/
nsresult nsPluginInstanceOwner::DragEnter(nsIDOMEvent* aMouseEvent)
{
if (mInstance) {
// Let the plugin handle drag events.
aMouseEvent->PreventDefault();
aMouseEvent->StopPropagation();
}
return NS_OK;
}
nsresult nsPluginInstanceOwner::DragOver(nsIDOMEvent* aMouseEvent)
{
if (mInstance) {
// Let the plugin handle drag events.
aMouseEvent->PreventDefault();
aMouseEvent->StopPropagation();
}
return NS_OK;
}
nsresult nsPluginInstanceOwner::DragExit(nsIDOMEvent* aMouseEvent)
{
if (mInstance) {
// Let the plugin handle drag events.
aMouseEvent->PreventDefault();
aMouseEvent->StopPropagation();
}
return NS_OK;
}
nsresult nsPluginInstanceOwner::DragDrop(nsIDOMEvent* aMouseEvent)
{
if (mInstance) {
// Let the plugin handle drag events.
aMouseEvent->PreventDefault();
aMouseEvent->StopPropagation();
}
return NS_OK;
}
nsresult nsPluginInstanceOwner::DragGesture(nsIDOMEvent* aMouseEvent)
{
if (mInstance) {
// Let the plugin handle drag events.
aMouseEvent->PreventDefault();
aMouseEvent->StopPropagation();
}
return NS_OK;
}
/*=============== nsIKeyListener ======================*/
nsresult nsPluginInstanceOwner::KeyDown(nsIDOMEvent* aKeyEvent)
{
return DispatchKeyToPlugin(aKeyEvent);
}
nsresult nsPluginInstanceOwner::KeyUp(nsIDOMEvent* aKeyEvent)
{
return DispatchKeyToPlugin(aKeyEvent);
}
nsresult nsPluginInstanceOwner::KeyPress(nsIDOMEvent* aKeyEvent)
{
#if defined(XP_MAC) || defined(XP_MACOSX) // send KeyPress events only on Mac
// KeyPress events are really synthesized keyDown events.
// Here we check the native message of the event so that
// we won't send the plugin two keyDown events.
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aKeyEvent));
if (privateEvent) {
nsEvent *theEvent;
privateEvent->GetInternalNSEvent(&theEvent);
const nsGUIEvent *guiEvent = (nsGUIEvent*)theEvent;
const EventRecord *ev = (EventRecord*)(guiEvent->nativeMsg);
if (guiEvent &&
guiEvent->message == NS_KEY_PRESS &&
ev &&
ev->what == keyDown)
return aKeyEvent->PreventDefault(); // consume event
}
// Nasty hack to avoid recursive event dispatching with Java. Java can
// dispatch key events to a TSM handler, which comes back and calls
// [ChildView insertText:] on the cocoa widget, which sends a key
// event back down.
static PRBool sInKeyDispatch = PR_FALSE;
if (sInKeyDispatch)
return aKeyEvent->PreventDefault(); // consume event
sInKeyDispatch = PR_TRUE;
nsresult rv = DispatchKeyToPlugin(aKeyEvent);
sInKeyDispatch = PR_FALSE;
return rv;
#else
if (mInstance) {
// If this event is going to the plugin, we want to kill it.
// Not actually sending keypress to the plugin, since we didn't before.
aKeyEvent->PreventDefault();
aKeyEvent->StopPropagation();
}
return NS_OK;
#endif
}
nsresult nsPluginInstanceOwner::DispatchKeyToPlugin(nsIDOMEvent* aKeyEvent)
{
#if !(defined(XP_MAC) || defined(XP_MACOSX))
if (!mPluginWindow || nsPluginWindowType_Window == mPluginWindow->type)
return aKeyEvent->PreventDefault(); // consume event
// continue only for cases without child window
#endif
if (mInstance) {
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aKeyEvent));
if (privateEvent) {
nsKeyEvent* keyEvent = nsnull;
privateEvent->GetInternalNSEvent((nsEvent**)&keyEvent);
if (keyEvent) {
nsEventStatus rv = ProcessEvent(*keyEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aKeyEvent->PreventDefault();
aKeyEvent->StopPropagation();
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchKeyToPlugin failed, keyEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchKeyToPlugin failed, privateEvent null");
}
return NS_OK;
}
/*=============== nsIMouseMotionListener ======================*/
nsresult
nsPluginInstanceOwner::MouseMove(nsIDOMEvent* aMouseEvent)
{
#if !(defined(XP_MAC) || defined(XP_MACOSX))
if (!mPluginWindow || nsPluginWindowType_Window == mPluginWindow->type)
return aMouseEvent->PreventDefault(); // consume event
// continue only for cases without child window
#endif
// don't send mouse events if we are hiddden
if (!mWidgetVisible)
return NS_OK;
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aMouseEvent));
if (privateEvent) {
nsMouseEvent* mouseEvent = nsnull;
privateEvent->GetInternalNSEvent((nsEvent**)&mouseEvent);
if (mouseEvent) {
nsEventStatus rv = ProcessEvent(*mouseEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
return aMouseEvent->PreventDefault(); // consume event
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseMove failed, mouseEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseMove failed, privateEvent null");
return NS_OK;
}
/*=============== nsIMouseListener ======================*/
nsresult
nsPluginInstanceOwner::MouseDown(nsIDOMEvent* aMouseEvent)
{
#if !(defined(XP_MAC) || defined(XP_MACOSX))
if (!mPluginWindow || nsPluginWindowType_Window == mPluginWindow->type)
return aMouseEvent->PreventDefault(); // consume event
// continue only for cases without child window
#endif
// if the plugin is windowless, we need to set focus ourselves
// otherwise, we might not get key events
if (mPluginWindow && mPluginWindow->type == nsPluginWindowType_Drawable) {
nsIContent* content = mOwner->GetContent();
if (content)
content->SetFocus(mContext);
}
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aMouseEvent));
if (privateEvent) {
nsMouseEvent* mouseEvent = nsnull;
privateEvent->GetInternalNSEvent((nsEvent**)&mouseEvent);
if (mouseEvent) {
nsEventStatus rv = ProcessEvent(*mouseEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
return aMouseEvent->PreventDefault(); // consume event
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseDown failed, mouseEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseDown failed, privateEvent null");
return NS_OK;
}
nsresult
nsPluginInstanceOwner::MouseUp(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseClick(nsIDOMEvent* aMouseEvent)
{
if (mOwner->IsBroken()) {
FirePluginNotFoundEvent(mOwner->GetContent());
aMouseEvent->PreventDefault();
return NS_OK;
}
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseDblClick(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseOver(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseOut(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult nsPluginInstanceOwner::DispatchMouseToPlugin(nsIDOMEvent* aMouseEvent)
{
#if !(defined(XP_MAC) || defined(XP_MACOSX))
if (!mPluginWindow || nsPluginWindowType_Window == mPluginWindow->type)
return aMouseEvent->PreventDefault(); // consume event
// continue only for cases without child window
#endif
// don't send mouse events if we are hiddden
if (!mWidgetVisible)
return NS_OK;
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aMouseEvent));
if (privateEvent) {
nsMouseEvent* mouseEvent = nsnull;
privateEvent->GetInternalNSEvent((nsEvent**)&mouseEvent);
if (mouseEvent) {
nsEventStatus rv = ProcessEvent(*mouseEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aMouseEvent->PreventDefault();
aMouseEvent->StopPropagation();
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchMouseToPlugin failed, mouseEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchMouseToPlugin failed, privateEvent null");
return NS_OK;
}
nsresult
nsPluginInstanceOwner::HandleEvent(nsIDOMEvent* aEvent)
{
return NS_OK;
}
nsEventStatus nsPluginInstanceOwner::ProcessEvent(const nsGUIEvent& anEvent)
{
// printf("nsGUIEvent.message: %d\n", anEvent.message);
nsEventStatus rv = nsEventStatus_eIgnore;
if (!mInstance) // if mInstance is null, we shouldn't be here
return rv;
#if defined(XP_MAC) || defined(XP_MACOSX)
// check for null mWidget
if (mWidget) {
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
EventRecord macEvent;
EventRecord* event = (EventRecord*)anEvent.nativeMsg;
if ((event == NULL) || (event->what == nullEvent) ||
(anEvent.message == NS_FOCUS_EVENT_START) ||
(anEvent.message == NS_BLUR_CONTENT) ||
(anEvent.message == NS_MOUSE_MOVE) ||
(anEvent.message == NS_MOUSE_ENTER)) {
GUItoMacEvent(anEvent, event, macEvent);
event = &macEvent;
}
#ifdef MOZ_WIDGET_COCOA
if (anEvent.message == NS_FOCUS_CONTENT)
{
// Work around an issue in the Flash plugin, which can cache a pointer
// to a doomed TSM document (one that belongs to a NSTSMInputContext)
// and try to activate it after it has been deleted. See bug 183313.
::DeactivateTSMDocument(::TSMGetActiveDocument());
}
#endif
nsPluginPort* pluginPort = FixUpPluginWindow(ePluginPaintIgnore);
PRBool eventHandled = PR_FALSE;
if (pluginPort) {
nsPluginEvent pluginEvent =
{
event,
nsPluginPlatformWindowRef(GetWindowFromPort(pluginPort->port))
};
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
if (eventHandled && !(anEvent.message == NS_MOUSE_LEFT_BUTTON_DOWN &&
!mContentFocused))
rv = nsEventStatus_eConsumeNoDefault;
pluginWidget->EndDrawPlugin();
}
}
#endif
#ifdef XP_WIN
// this code supports windowless plugins
nsPluginEvent * pPluginEvent = (nsPluginEvent *)anEvent.nativeMsg;
// we can get synthetic events from the nsEventStateManager... these
// have no nativeMsg
if (pPluginEvent) {
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(pPluginEvent, &eventHandled);
if (eventHandled)
rv = nsEventStatus_eConsumeNoDefault;
}
#endif
return rv;
}
nsresult
nsPluginInstanceOwner::Destroy()
{
nsIContent* content = mOwner->GetContent();
// stop the timer explicitly to reduce reference count.
CancelTimer();
// unregister context menu listener
if (mCXMenuListener) {
mCXMenuListener->Destroy(mOwner);
NS_RELEASE(mCXMenuListener);
}
nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(content));
if (receiver) {
nsCOMPtr<nsIDOMEventListener> listener;
QueryInterface(NS_GET_IID(nsIDOMEventListener), getter_AddRefs(listener));
// Unregister focus event listener
receiver->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMFocusListener));
// Unregister mouse event listener
receiver->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseListener));
// now for the mouse motion listener
receiver->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseMotionListener));
// Unregister key event listener;
receiver->RemoveEventListener(NS_LITERAL_STRING("keypress"), listener, PR_TRUE);
receiver->RemoveEventListener(NS_LITERAL_STRING("keydown"), listener, PR_TRUE);
receiver->RemoveEventListener(NS_LITERAL_STRING("keyup"), listener, PR_TRUE);
// Unregister drag event listener;
receiver->RemoveEventListener(NS_LITERAL_STRING("dragdrop"), listener, PR_TRUE);
receiver->RemoveEventListener(NS_LITERAL_STRING("dragover"), listener, PR_TRUE);
receiver->RemoveEventListener(NS_LITERAL_STRING("dragexit"), listener, PR_TRUE);
receiver->RemoveEventListener(NS_LITERAL_STRING("dragenter"), listener, PR_TRUE);
receiver->RemoveEventListener(NS_LITERAL_STRING("draggesture"), listener, PR_TRUE);
}
// Unregister scroll position listener
nsIFrame* parentWithView = mOwner->GetAncestorWithView();
nsIView* curView = parentWithView ? parentWithView->GetView() : nsnull;
while (curView) {
nsIScrollableView* scrollingView = curView->ToScrollableView();
if (scrollingView)
scrollingView->RemoveScrollPositionListener((nsIScrollPositionListener *)this);
curView = curView->GetParent();
}
mOwner = nsnull; // break relationship between frame and plugin instance owner
return NS_OK;
}
// Paints are handled differently, so we just simulate an update event.
void nsPluginInstanceOwner::Paint(const nsRect& aDirtyRect, PRUint32 ndc)
{
if (!mInstance)
return;
#if defined(XP_MACOSX)
#ifdef DO_DIRTY_INTERSECT // aDirtyRect isn't always correct, see bug 56128
nsPoint rel(aDirtyRect.x, aDirtyRect.y);
nsPoint abs(0,0);
nsCOMPtr<nsIWidget> containerWidget;
// Convert dirty rect relative coordinates to absolute and also get the containerWidget
ConvertRelativeToWindowAbsolute(mOwner, rel, abs, *getter_AddRefs(containerWidget));
nsRect absDirtyRect = nsRect(abs.x, abs.y, aDirtyRect.width, aDirtyRect.height);
// Convert to absolute pixel values for the dirty rect
nsRect absDirtyRectInPixels;
ConvertTwipsToPixels(*mContext, absDirtyRect, absDirtyRectInPixels);
#endif
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
nsPluginPort* pluginPort = FixUpPluginWindow(ePluginPaintEnable);
if (pluginPort) {
WindowRef nativeWindowRef = ::GetWindowFromPort(pluginPort->port);
EventRecord updateEvent;
InitializeEventRecord(&updateEvent);
updateEvent.what = updateEvt;
updateEvent.message = UInt32(nativeWindowRef);
nsPluginEvent pluginEvent = { &updateEvent, nsPluginPlatformWindowRef(nativeWindowRef) };
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
pluginWidget->EndDrawPlugin();
}
#endif
#ifdef XP_WIN
nsPluginWindow * window;
GetWindow(window);
nsRect relDirtyRect = nsRect(aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height);
nsRect relDirtyRectInPixels;
ConvertTwipsToPixels(*mContext, relDirtyRect, relDirtyRectInPixels);
// we got dirty rectangle in relative window coordinates, but we
// need it in absolute units and in the (left, top, right, bottom) form
RECT drc;
drc.left = relDirtyRectInPixels.x + window->x;
drc.top = relDirtyRectInPixels.y + window->y;
drc.right = drc.left + relDirtyRectInPixels.width;
drc.bottom = drc.top + relDirtyRectInPixels.height;
nsPluginEvent pluginEvent;
pluginEvent.event = 0x000F; //!!! This is bad, but is it better to include <windows.h> for WM_PAINT only?
pluginEvent.wParam = (uint32)ndc;
pluginEvent.lParam = (uint32)&drc;
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
#endif
}
// Here's how we give idle time to plugins.
NS_IMETHODIMP nsPluginInstanceOwner::Notify(nsITimer* /* timer */)
{
#if defined(XP_MAC) || defined(XP_MACOSX)
// validate the plugin clipping information by syncing the plugin window info to
// reflect the current widget location. This makes sure that everything is updated
// correctly in the event of scrolling in the window.
if (mInstance) {
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
nsPluginPort* pluginPort = FixUpPluginWindow(ePluginPaintIgnore);
if (pluginPort) {
EventRecord idleEvent;
InitializeEventRecord(&idleEvent);
idleEvent.what = nullEvent;
// give a bogus 'where' field of our null event when hidden, so Flash
// won't respond to mouse moves in other tabs, see bug 120875
if (!mWidgetVisible)
idleEvent.where.h = idleEvent.where.v = 20000;
nsPluginEvent pluginEvent = { &idleEvent, nsPluginPlatformWindowRef(GetWindowFromPort(pluginPort->port)) };
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
pluginWidget->EndDrawPlugin();
}
}
#endif
return NS_OK;
}
void nsPluginInstanceOwner::StartTimer()
{
#if defined(XP_MAC) || defined(XP_MACOSX)
nsresult rv;
// start a periodic timer to provide null events to the plugin instance.
if (!mPluginTimer) {
mPluginTimer = do_CreateInstance("@mozilla.org/timer;1", &rv);
if (NS_SUCCEEDED(rv))
rv = mPluginTimer->InitWithCallback(this, 1020 / 60, nsITimer::TYPE_REPEATING_SLACK);
}
#endif
}
void nsPluginInstanceOwner::CancelTimer()
{
if (mPluginTimer) {
mPluginTimer->Cancel();
mPluginTimer = nsnull;
}
}
NS_IMETHODIMP nsPluginInstanceOwner::Init(nsPresContext* aPresContext, nsObjectFrame *aFrame)
{
//do not addref to avoid circular refs. MMP
mContext = aPresContext;
mOwner = aFrame;
nsIContent* content = mOwner->GetContent();
// Some plugins require a specific sequence of shutdown and startup when
// a page is reloaded. Shutdown happens usually when the last instance
// is destroyed. Here we make sure the plugin instance in the old
// document is destroyed before we try to create the new one.
aPresContext->EnsureVisible(PR_TRUE);
// register context menu listener
mCXMenuListener = new nsPluginDOMContextMenuListener();
if (mCXMenuListener) {
NS_ADDREF(mCXMenuListener);
mCXMenuListener->Init(aFrame);
}
nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(content));
if (receiver) {
nsCOMPtr<nsIDOMEventListener> listener;
QueryInterface(NS_GET_IID(nsIDOMEventListener), getter_AddRefs(listener));
// Register focus listener
receiver->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMFocusListener));
// Register mouse listener
receiver->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseListener));
// now do the mouse motion listener
receiver->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseMotionListener));
// Register key listener
receiver->AddEventListener(NS_LITERAL_STRING("keypress"), listener, PR_TRUE);
receiver->AddEventListener(NS_LITERAL_STRING("keydown"), listener, PR_TRUE);
receiver->AddEventListener(NS_LITERAL_STRING("keyup"), listener, PR_TRUE);
// Register drag listener
receiver->AddEventListener(NS_LITERAL_STRING("dragdrop"), listener, PR_TRUE);
receiver->AddEventListener(NS_LITERAL_STRING("dragover"), listener, PR_TRUE);
receiver->AddEventListener(NS_LITERAL_STRING("dragexit"), listener, PR_TRUE);
receiver->AddEventListener(NS_LITERAL_STRING("dragenter"), listener, PR_TRUE);
receiver->AddEventListener(NS_LITERAL_STRING("draggesture"), listener, PR_TRUE);
}
// Register scroll position listener
// We need to register a scroll pos listener on every scrollable
// view up to the top
nsIFrame* parentWithView = mOwner->GetAncestorWithView();
nsIView* curView = parentWithView ? parentWithView->GetView() : nsnull;
while (curView) {
nsIScrollableView* scrollingView = curView->ToScrollableView();
if (scrollingView)
scrollingView->AddScrollPositionListener((nsIScrollPositionListener *)this);
curView = curView->GetParent();
}
return NS_OK;
}
nsPluginPort* nsPluginInstanceOwner::GetPluginPort()
{
//!!! Port must be released for windowless plugins on Windows, because it is HDC !!!
nsPluginPort* result = NULL;
if (mWidget) {
#ifdef XP_WIN
if (mPluginWindow && mPluginWindow->type == nsPluginWindowType_Drawable)
result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_GRAPHIC);
else
#endif
result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT);
}
return result;
}
void nsPluginInstanceOwner::ReleasePluginPort(nsPluginPort * pluginPort)
{
#ifdef XP_WIN
if (mWidget && mPluginWindow &&
mPluginWindow->type == nsPluginWindowType_Drawable) {
mWidget->FreeNativeData((HDC)pluginPort, NS_NATIVE_GRAPHIC);
}
#endif
}
NS_IMETHODIMP nsPluginInstanceOwner::CreateWidget(void)
{
NS_ENSURE_TRUE(mPluginWindow, NS_ERROR_NULL_POINTER);
nsIView *view;
nsresult rv = NS_ERROR_FAILURE;
if (mOwner) {
// Create view if necessary
view = mOwner->GetView();
if (!view || !mWidget) {
PRBool windowless = PR_FALSE;
mInstance->GetValue(nsPluginInstanceVariable_WindowlessBool,
(void *)&windowless);
// always create widgets in Twips, not pixels
float p2t = mContext->ScaledPixelsToTwips();
rv = mOwner->CreateWidget(NSIntPixelsToTwips(mPluginWindow->width, p2t),
NSIntPixelsToTwips(mPluginWindow->height, p2t),
windowless);
if (NS_OK == rv) {
view = mOwner->GetView();
if (view) {
mWidget = view->GetWidget();
PRBool fTransparent = PR_FALSE;
mInstance->GetValue(nsPluginInstanceVariable_TransparentBool,
(void *)&fTransparent);
view->GetViewManager()->SetViewContentTransparency(view,
fTransparent);
}
if (PR_TRUE == windowless) {
mPluginWindow->type = nsPluginWindowType_Drawable;
// this needs to be a HDC according to the spec, but I do
// not see the right way to release it so let's postpone
// passing HDC till paint event when it is really
// needed. Change spec?
mPluginWindow->window = nsnull;
} else if (mWidget) {
mWidget->Resize(mPluginWindow->width, mPluginWindow->height,
PR_FALSE);
// mPluginWindow->type is used in |GetPluginPort| so it must
// be initilized first
mPluginWindow->type = nsPluginWindowType_Window;
mPluginWindow->window = GetPluginPort();
// start the idle timer.
StartTimer();
// tell the plugin window about the widget
mPluginWindow->SetPluginWidget(mWidget);
}
}
}
}
return rv;
}
void nsPluginInstanceOwner::SetPluginHost(nsIPluginHost* aHost)
{
mPluginHost = aHost;
}
#if defined(XP_WIN) || (defined(DO_DIRTY_INTERSECT) && (defined(XP_MAC) || defined(XP_MACOSX)))
// convert frame coordinates from twips to pixels
static void ConvertTwipsToPixels(nsPresContext& aPresContext, nsRect& aTwipsRect, nsRect& aPixelRect)
{
float t2p;
t2p = aPresContext.TwipsToPixels();
aPixelRect.x = NSTwipsToIntPixels(aTwipsRect.x, t2p);
aPixelRect.y = NSTwipsToIntPixels(aTwipsRect.y, t2p);
aPixelRect.width = NSTwipsToIntPixels(aTwipsRect.width, t2p);
aPixelRect.height = NSTwipsToIntPixels(aTwipsRect.height, t2p);
}
#endif
// Mac specific code to fix up the port location and clipping region
#if defined(XP_MAC) || defined(XP_MACOSX)
#ifdef DO_DIRTY_INTERSECT
// Convert from a frame relative coordinate to a coordinate relative to its
// containing window
static void ConvertRelativeToWindowAbsolute(nsIFrame* aFrame,
nsPoint& aRel,
nsPoint& aAbs,
nsIWidget*& aContainerWidget)
{
// See if this frame has a view
nsIView *view = aFrame->GetView();
if (!view) {
aAbs.x = 0;
aAbs.y = 0;
// Calculate frames offset from its nearest view
aFrame->GetOffsetFromView(aAbs, &view);
} else {
// Store frames offset from its view.
aAbs = aFrame->GetPosition();
}
NS_ASSERTION(view, "the object frame does not have a view");
if (view) {
// Calculate the view's offset from its nearest widget
nsPoint viewOffset;
aContainerWidget = view->GetNearestWidget(&viewOffset);
NS_IF_ADDREF(aContainerWidget);
aAbs += viewOffset;
}
// Add relative coordinate to the absolute coordinate that has been calculated
aAbs += aRel;
}
#endif // DO_DIRTY_INTERSECT
nsPluginPort* nsPluginInstanceOwner::FixUpPluginWindow(PRInt32 inPaintState)
{
if (!mWidget || !mPluginWindow)
return nsnull;
nsPluginPort* pluginPort = GetPluginPort();
if (!pluginPort)
return nsnull;
// first, check our view for CSS visibility style
PRBool isVisible =
mOwner->GetView()->GetVisibility() == nsViewVisibility_kShow;
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
nsPoint pluginOrigin;
nsRect widgetClip;
PRBool widgetVisible;
pluginWidget->GetPluginClipRect(widgetClip, pluginOrigin, /* out */ widgetVisible);
// printf("GetPluginClipRect returning visible %d\n", widgetVisible);
isVisible &= widgetVisible;
if (!isVisible)
widgetClip.Empty();
// set the port coordinates
mPluginWindow->x = -pluginPort->portx;
mPluginWindow->y = -pluginPort->porty;
nsPluginRect oldClipRect = mPluginWindow->clipRect;
// fix up the clipping region
mPluginWindow->clipRect.top = widgetClip.y;
mPluginWindow->clipRect.left = widgetClip.x;
mWidgetVisible = isVisible;
if (!mWidgetVisible || inPaintState == ePluginPaintDisable) {
mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top;
mPluginWindow->clipRect.right = mPluginWindow->clipRect.left;
// pluginPort = nsnull; // don't uncomment this
}
else if (inPaintState == ePluginPaintEnable)
{
mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top + widgetClip.height;
mPluginWindow->clipRect.right = mPluginWindow->clipRect.left + widgetClip.width;
}
// if the clip rect changed, call SetWindow()
// (RealPlayer needs this to draw correctly)
if (mPluginWindow->clipRect.left != oldClipRect.left ||
mPluginWindow->clipRect.top != oldClipRect.top ||
mPluginWindow->clipRect.right != oldClipRect.right ||
mPluginWindow->clipRect.bottom != oldClipRect.bottom)
{
mInstance->SetWindow(mPluginWindow);
}
return pluginPort;
}
void nsPluginInstanceOwner::Composite()
{
//no reference count on view
nsIView* view = mOwner->GetView();
if (view) {
view->GetViewManager()->UpdateView(view, NS_VMREFRESH_IMMEDIATE);
}
}
#endif // XP_MAC || XP_MACOSX
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