RetroZilla/content/html/document/src/nsPluginDocument.cpp
2015-10-20 23:03:22 -04:00

299 lines
9.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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):
*
* 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 "nsMediaDocument.h"
#include "nsIPluginDocument.h"
#include "nsHTMLAtoms.h"
#include "nsIPresShell.h"
#include "nsIObjectFrame.h"
#include "nsIPluginInstance.h"
#include "nsIDocShellTreeItem.h"
#include "nsNodeInfoManager.h"
class nsPluginDocument : public nsMediaDocument,
public nsIPluginDocument
{
public:
nsPluginDocument();
virtual ~nsPluginDocument();
NS_DECL_ISUPPORTS
NS_DECL_NSIPLUGINDOCUMENT
virtual nsresult StartDocumentLoad(const char* aCommand,
nsIChannel* aChannel,
nsILoadGroup* aLoadGroup,
nsISupports* aContainer,
nsIStreamListener** aDocListener,
PRBool aReset = PR_TRUE,
nsIContentSink* aSink = nsnull);
virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject);
virtual PRBool CanSavePresentation(nsIRequest *aNewRequest);
protected:
nsresult CreateSyntheticPluginDocument();
nsCOMPtr<nsIContent> mPluginContent;
nsRefPtr<nsMediaDocumentStreamListener> mStreamListener;
nsCString mMimeType;
};
// NOTE! nsDocument::operator new() zeroes out all members, so don't
// bother initializing members to 0.
nsPluginDocument::nsPluginDocument()
{
}
nsPluginDocument::~nsPluginDocument()
{
}
NS_IMPL_ADDREF_INHERITED(nsPluginDocument, nsMediaDocument)
NS_IMPL_RELEASE_INHERITED(nsPluginDocument, nsMediaDocument)
NS_INTERFACE_MAP_BEGIN(nsPluginDocument)
NS_INTERFACE_MAP_ENTRY(nsIPluginDocument)
NS_INTERFACE_MAP_END_INHERITING(nsMediaDocument)
void
nsPluginDocument::SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject)
{
// Set the script global object on the superclass before doing
// anything that might require it....
nsMediaDocument::SetScriptGlobalObject(aScriptGlobalObject);
if (aScriptGlobalObject) {
if (!mPluginContent) {
// Create synthetic document
#ifdef DEBUG
nsresult rv =
#endif
CreateSyntheticPluginDocument();
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to create synthetic document");
}
} else {
mStreamListener = nsnull;
}
}
PRBool
nsPluginDocument::CanSavePresentation(nsIRequest *aNewRequest)
{
// Full-page plugins cannot be cached, currently, because we don't have
// the stream listener data to feed to the plugin instance.
return PR_FALSE;
}
nsresult
nsPluginDocument::StartDocumentLoad(const char* aCommand,
nsIChannel* aChannel,
nsILoadGroup* aLoadGroup,
nsISupports* aContainer,
nsIStreamListener** aDocListener,
PRBool aReset,
nsIContentSink* aSink)
{
// do not allow message panes to host full-page plugins
// returning an error causes helper apps to take over
nsCOMPtr<nsIDocShellTreeItem> dsti (do_QueryInterface(aContainer));
if (dsti) {
PRBool isMsgPane = PR_FALSE;
dsti->NameEquals(NS_LITERAL_STRING("messagepane").get(), &isMsgPane);
if (isMsgPane)
return NS_ERROR_FAILURE;
}
nsresult rv =
nsMediaDocument::StartDocumentLoad(aCommand, aChannel, aLoadGroup,
aContainer, aDocListener, aReset,
aSink);
if (NS_FAILED(rv)) {
return rv;
}
rv = aChannel->GetContentType(mMimeType);
if (NS_FAILED(rv)) {
return rv;
}
mStreamListener = new nsMediaDocumentStreamListener(this);
if (!mStreamListener)
return NS_ERROR_OUT_OF_MEMORY;
NS_ASSERTION(aDocListener, "null aDocListener");
NS_ADDREF(*aDocListener = mStreamListener);
return rv;
}
nsresult
nsPluginDocument::CreateSyntheticPluginDocument()
{
#ifdef DEBUG
PRBool didInitialReflow = PR_FALSE;
nsIPresShell *shell = GetShellAt(0);
if (shell)
shell->GetDidInitialReflow(&didInitialReflow);
NS_ASSERTION(!didInitialReflow, "Creating synthetic plugin document content too late");
#endif
// make our generic document
nsresult rv = nsMediaDocument::CreateSyntheticDocument();
NS_ENSURE_SUCCESS(rv, rv);
// then attach our plugin
nsCOMPtr<nsIContent> body = do_QueryInterface(mBodyContent);
if (!body) {
NS_WARNING("no body on plugin document!");
return NS_ERROR_FAILURE;
}
// remove margins from body
NS_NAMED_LITERAL_STRING(zero, "0");
body->SetAttr(kNameSpaceID_None, nsHTMLAtoms::marginwidth, zero, PR_FALSE);
body->SetAttr(kNameSpaceID_None, nsHTMLAtoms::marginheight, zero, PR_FALSE);
// make plugin content
nsCOMPtr<nsINodeInfo> nodeInfo;
rv = mNodeInfoManager->GetNodeInfo(nsHTMLAtoms::embed, nsnull,
kNameSpaceID_None,
getter_AddRefs(nodeInfo));
NS_ENSURE_SUCCESS(rv, rv);
mPluginContent = NS_NewHTMLSharedElement(nodeInfo);
if (!mPluginContent) {
return NS_ERROR_OUT_OF_MEMORY;
}
// make it a named element
mPluginContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::name,
NS_LITERAL_STRING("plugin"), PR_FALSE);
// fill viewport and auto-resize
NS_NAMED_LITERAL_STRING(percent100, "100%");
mPluginContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::width, percent100,
PR_FALSE);
mPluginContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::height, percent100,
PR_FALSE);
// set URL
nsCAutoString src;
mDocumentURI->GetSpec(src);
mPluginContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::src,
NS_ConvertUTF8toUTF16(src), PR_FALSE);
// set mime type
mPluginContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::type,
NS_ConvertUTF8toUTF16(mMimeType), PR_FALSE);
body->AppendChildTo(mPluginContent, PR_FALSE);
return NS_OK;
}
NS_IMETHODIMP
nsPluginDocument::SetStreamListener(nsIStreamListener *aListener)
{
if (mStreamListener)
mStreamListener->SetStreamListener(aListener);
nsMediaDocument::UpdateTitleAndCharset(mMimeType);
return NS_OK;
}
NS_IMETHODIMP
nsPluginDocument::Print()
{
NS_ENSURE_TRUE(mPluginContent, NS_ERROR_FAILURE);
nsIPresShell *shell = GetShellAt(0);
if (!shell) {
return NS_OK;
}
nsIFrame* frame = nsnull;
shell->GetPrimaryFrameFor(mPluginContent, &frame);
nsIObjectFrame* objectFrame = nsnull;
CallQueryInterface(frame, &objectFrame);
if (objectFrame) {
nsCOMPtr<nsIPluginInstance> pi;
objectFrame->GetPluginInstance(*getter_AddRefs(pi));
if (pi) {
nsPluginPrint npprint;
npprint.mode = nsPluginMode_Full;
npprint.print.fullPrint.pluginPrinted = PR_FALSE;
npprint.print.fullPrint.printOne = PR_FALSE;
npprint.print.fullPrint.platformPrint = nsnull;
pi->Print(&npprint);
}
}
return NS_OK;
}
nsresult
NS_NewPluginDocument(nsIDocument** aResult)
{
nsPluginDocument* doc = new nsPluginDocument();
if (!doc) {
return NS_ERROR_OUT_OF_MEMORY;
}
NS_ADDREF(doc);
nsresult rv = doc->Init();
if (NS_FAILED(rv)) {
NS_RELEASE(doc);
}
*aResult = doc;
return rv;
}