mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-07-08 02:10:14 +02:00
3361 lines
99 KiB
C++
3361 lines
99 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.org 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):
|
|
* Blake Ross <blakeross@telocity.com>
|
|
*
|
|
* 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 "nsCOMPtr.h"
|
|
#include "nsTextControlFrame.h"
|
|
#include "nsIDocument.h"
|
|
#include "nsIDOMNSHTMLTextAreaElement.h"
|
|
#include "nsIDOMNSHTMLInputElement.h"
|
|
#include "nsIFormControl.h"
|
|
#include "nsIServiceManager.h"
|
|
#include "nsIFrameSelection.h"
|
|
#include "nsIPlaintextEditor.h"
|
|
#include "nsEditorCID.h"
|
|
#include "nsLayoutCID.h"
|
|
#include "nsFormControlHelper.h"
|
|
#include "nsIDocumentEncoder.h"
|
|
#include "nsICaret.h"
|
|
#include "nsISelectionListener.h"
|
|
#include "nsISelectionPrivate.h"
|
|
#include "nsIController.h"
|
|
#include "nsIControllers.h"
|
|
#include "nsIControllerContext.h"
|
|
#include "nsGenericHTMLElement.h"
|
|
#include "nsIEditorIMESupport.h"
|
|
#include "nsIPhonetic.h"
|
|
#include "nsIEditorObserver.h"
|
|
#include "nsIDOMHTMLTextAreaElement.h"
|
|
#include "nsINameSpaceManager.h"
|
|
#include "nsINodeInfo.h"
|
|
#include "nsIScrollableView.h"
|
|
#include "nsIScrollableFrame.h" //to turn off scroll bars
|
|
#include "nsFormControlFrame.h" //for registering accesskeys
|
|
#include "nsIDeviceContext.h" // to measure fonts
|
|
|
|
#include "nsIContent.h"
|
|
#include "nsIAtom.h"
|
|
#include "nsPresContext.h"
|
|
#ifdef USE_QI_IN_SUPPRESS_EVENT_HANDLERS
|
|
#include "nsIPrintContext.h"
|
|
#include "nsIPrintPreviewContext.h"
|
|
#endif // USE_QI_IN_SUPPRESS_EVENT_HANDLERS
|
|
#include "nsHTMLAtoms.h"
|
|
#include "nsIComponentManager.h"
|
|
#include "nsIView.h"
|
|
#include "nsIDOMHTMLInputElement.h"
|
|
#include "nsISupportsArray.h"
|
|
#include "nsIDOMElement.h"
|
|
#include "nsIDOMDocument.h"
|
|
#include "nsIPresShell.h"
|
|
#include "nsIComponentManager.h"
|
|
|
|
#include "nsBoxLayoutState.h"
|
|
#include "nsLayoutAtoms.h" //getframetype
|
|
//for keylistener for "return" check
|
|
#include "nsIPrivateDOMEvent.h"
|
|
#include "nsIDOMEventReceiver.h"
|
|
#include "nsIDocument.h" //observe documents to send onchangenotifications
|
|
#include "nsIStyleSheet.h"//observe documents to send onchangenotifications
|
|
#include "nsIStyleRule.h"//observe documents to send onchangenotifications
|
|
#include "nsIDOMEventListener.h"//observe documents to send onchangenotifications
|
|
#include "nsGUIEvent.h"
|
|
#include "nsIDOMEventGroup.h"
|
|
#include "nsIDOM3EventTarget.h"
|
|
#include "nsIDOMNSEvent.h"
|
|
#include "nsIDOMNSUIEvent.h"
|
|
#include "nsIEventStateManager.h"
|
|
|
|
#include "nsIDOMFocusListener.h" //onchange events
|
|
#include "nsIDOMCharacterData.h" //for selection setting helper func
|
|
#include "nsIDOMNodeList.h" //for selection setting helper func
|
|
#include "nsIDOMRange.h" //for selection setting helper func
|
|
#include "nsIScriptGlobalObject.h" //needed for notify selection changed to update the menus ect.
|
|
#include "nsIDOMWindowInternal.h" //needed for notify selection changed to update the menus ect.
|
|
#include "nsITextContent.h" //needed to create initial text control content
|
|
#ifdef ACCESSIBILITY
|
|
#include "nsIAccessibilityService.h"
|
|
#endif
|
|
#include "nsIServiceManager.h"
|
|
#include "nsIDOMNode.h"
|
|
#include "nsITextControlElement.h"
|
|
|
|
#include "nsIEditorObserver.h"
|
|
#include "nsITransactionManager.h"
|
|
#include "nsIDOMText.h" //for multiline getselection
|
|
#include "nsNodeInfoManager.h"
|
|
#include "nsContentCreatorFunctions.h"
|
|
#include "nsIDOMKeyListener.h"
|
|
#include "nsIDOMEventGroup.h"
|
|
#include "nsIDOM3EventTarget.h"
|
|
#include "nsINativeKeyBindings.h"
|
|
#include "nsIJSContextStack.h"
|
|
|
|
#ifdef IBMBIDI
|
|
#include "nsIBidiKeyboard.h"
|
|
#include "nsWidgetsCID.h"
|
|
#endif // IBMBIDI
|
|
|
|
#define DEFAULT_COLUMN_WIDTH 20
|
|
|
|
#include "nsContentCID.h"
|
|
static NS_DEFINE_IID(kRangeCID, NS_RANGE_CID);
|
|
|
|
static NS_DEFINE_CID(kTextEditorCID, NS_TEXTEDITOR_CID);
|
|
static NS_DEFINE_CID(kFrameSelectionCID, NS_FRAMESELECTION_CID);
|
|
|
|
static const PRInt32 DEFAULT_COLS = 20;
|
|
static const PRInt32 DEFAULT_ROWS = 1;
|
|
static const PRInt32 DEFAULT_ROWS_TEXTAREA = 2;
|
|
static const PRInt32 DEFAULT_UNDO_CAP = 1000;
|
|
|
|
static nsINativeKeyBindings *sNativeInputBindings = nsnull;
|
|
static nsINativeKeyBindings *sNativeTextAreaBindings = nsnull;
|
|
|
|
class nsTextInputListener : public nsISelectionListener,
|
|
public nsIDOMFocusListener,
|
|
public nsIDOMKeyListener,
|
|
public nsIEditorObserver,
|
|
public nsSupportsWeakReference
|
|
{
|
|
public:
|
|
/** the default constructor
|
|
*/
|
|
nsTextInputListener();
|
|
/** the default destructor. virtual due to the possibility of derivation.
|
|
*/
|
|
virtual ~nsTextInputListener();
|
|
|
|
/** SetEditor gives an address to the editor that will be accessed
|
|
* @param aEditor the editor this listener calls for editing operations
|
|
*/
|
|
void SetFrame(nsTextControlFrame *aFrame){mFrame = aFrame;}
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_DECL_NSISELECTIONLISTENER
|
|
|
|
/** nsIDOMFocusListener interfaces
|
|
* used to propagate focus, blur, and change notifications
|
|
* @see nsIDOMFocusListener
|
|
*/
|
|
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
|
|
NS_IMETHOD Focus(nsIDOMEvent* aEvent);
|
|
NS_IMETHOD Blur (nsIDOMEvent* aEvent);
|
|
/* END interfaces from nsIDOMFocusListener*/
|
|
|
|
// nsIDOMKeyListener
|
|
NS_IMETHOD KeyDown(nsIDOMEvent *aKeyEvent);
|
|
NS_IMETHOD KeyPress(nsIDOMEvent *aKeyEvent);
|
|
NS_IMETHOD KeyUp(nsIDOMEvent *aKeyEvent);
|
|
|
|
NS_DECL_NSIEDITOROBSERVER
|
|
|
|
protected:
|
|
|
|
nsresult UpdateTextInputCommands(const nsAString& commandsToUpdate);
|
|
|
|
NS_HIDDEN_(nsINativeKeyBindings*) GetKeyBindings();
|
|
|
|
protected:
|
|
|
|
nsTextControlFrame* mFrame; // weak reference
|
|
|
|
PRPackedBool mSelectionWasCollapsed;
|
|
PRPackedBool mKnowSelectionCollapsed;
|
|
/**
|
|
* Whether we had undo items or not the last time we got EditAction()
|
|
* notification (when this state changes we update undo and redo menus)
|
|
*/
|
|
PRPackedBool mHadUndoItems;
|
|
/**
|
|
* Whether we had redo items or not the last time we got EditAction()
|
|
* notification (when this state changes we update undo and redo menus)
|
|
*/
|
|
PRPackedBool mHadRedoItems;
|
|
};
|
|
|
|
|
|
/*
|
|
* nsTextEditorListener implementation
|
|
*/
|
|
|
|
nsTextInputListener::nsTextInputListener()
|
|
: mFrame(nsnull)
|
|
, mSelectionWasCollapsed(PR_TRUE)
|
|
, mKnowSelectionCollapsed(PR_FALSE)
|
|
, mHadUndoItems(PR_FALSE)
|
|
, mHadRedoItems(PR_FALSE)
|
|
{
|
|
}
|
|
|
|
nsTextInputListener::~nsTextInputListener()
|
|
{
|
|
}
|
|
|
|
NS_IMPL_ADDREF(nsTextInputListener)
|
|
NS_IMPL_RELEASE(nsTextInputListener)
|
|
|
|
NS_INTERFACE_MAP_BEGIN(nsTextInputListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsISelectionListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsIEditorObserver)
|
|
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMKeyListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMFocusListener)
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMEventListener, nsIDOMFocusListener)
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMFocusListener)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
// BEGIN nsIDOMSelectionListener
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputListener::NotifySelectionChanged(nsIDOMDocument* aDoc, nsISelection* aSel, PRInt16 aReason)
|
|
{
|
|
PRBool collapsed;
|
|
if (!mFrame || !aDoc || !aSel || NS_FAILED(aSel->GetIsCollapsed(&collapsed)))
|
|
return NS_OK;
|
|
|
|
// Fire the select event
|
|
// The specs don't exactly say when we should fire the select event.
|
|
// IE: Whenever you add/remove a character to/from the selection. Also
|
|
// each time for select all. Also if you get to the end of the text
|
|
// field you will get new event for each keypress or a continuous
|
|
// stream of events if you use the mouse. IE will fire select event
|
|
// when the selection collapses to nothing if you are holding down
|
|
// the shift or mouse button.
|
|
// Mozilla: If we have non-empty selection we will fire a new event for each
|
|
// keypress (or mouseup) if the selection changed. Mozilla will also
|
|
// create the event each time select all is called, even if everything
|
|
// was previously selected, becase technically select all will first collapse
|
|
// and then extend. Mozilla will never create an event if the selection
|
|
// collapses to nothing.
|
|
if (!collapsed && (aReason & (nsISelectionListener::MOUSEUP_REASON |
|
|
nsISelectionListener::KEYPRESS_REASON |
|
|
nsISelectionListener::SELECTALL_REASON)))
|
|
{
|
|
nsCOMPtr<nsIContent> content;
|
|
mFrame->GetFormContent(*getter_AddRefs(content));
|
|
if (content)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc = content->GetDocument();
|
|
if (doc)
|
|
{
|
|
nsCOMPtr<nsIPresShell> presShell = doc->GetShellAt(0);
|
|
if (presShell)
|
|
{
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
nsEvent event(PR_TRUE, NS_FORM_SELECTED);
|
|
|
|
presShell->HandleEventWithTarget(&event,mFrame,content,NS_EVENT_FLAG_INIT,&status);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// if the collapsed state did not change, don't fire notifications
|
|
if (mKnowSelectionCollapsed && collapsed == mSelectionWasCollapsed)
|
|
return NS_OK;
|
|
|
|
mSelectionWasCollapsed = collapsed;
|
|
mKnowSelectionCollapsed = PR_TRUE;
|
|
|
|
return UpdateTextInputCommands(NS_LITERAL_STRING("select"));
|
|
}
|
|
|
|
// END nsIDOMSelectionListener
|
|
|
|
// BEGIN nsIFocusListener
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputListener::HandleEvent(nsIDOMEvent* aEvent)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputListener::Focus(nsIDOMEvent* aEvent)
|
|
{
|
|
if (!mFrame)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIEditor> editor;
|
|
mFrame->GetEditor(getter_AddRefs(editor));
|
|
if (editor) {
|
|
editor->AddEditorObserver(this);
|
|
}
|
|
|
|
mFrame->SetHasFocus(PR_TRUE);
|
|
|
|
return mFrame->InitFocusedValue();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputListener::Blur(nsIDOMEvent* aEvent)
|
|
{
|
|
if (!mFrame)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIEditor> editor;
|
|
mFrame->GetEditor(getter_AddRefs(editor));
|
|
if (editor) {
|
|
editor->RemoveEditorObserver(this);
|
|
}
|
|
|
|
mFrame->SetHasFocus(PR_FALSE);
|
|
|
|
return mFrame->CheckFireOnChange();
|
|
}
|
|
|
|
// END nsIFocusListener
|
|
|
|
// BEGIN nsIDOMKeyListener
|
|
|
|
static void
|
|
DoCommandCallback(const char *aCommand, void *aData)
|
|
{
|
|
nsTextControlFrame *frame = NS_STATIC_CAST(nsTextControlFrame*, aData);
|
|
nsIContent *content = frame->GetContent();
|
|
|
|
nsCOMPtr<nsIControllers> controllers;
|
|
nsCOMPtr<nsIDOMNSHTMLInputElement> input = do_QueryInterface(content);
|
|
if (input) {
|
|
input->GetControllers(getter_AddRefs(controllers));
|
|
} else {
|
|
nsCOMPtr<nsIDOMNSHTMLTextAreaElement> textArea =
|
|
do_QueryInterface(content);
|
|
|
|
if (textArea) {
|
|
textArea->GetControllers(getter_AddRefs(controllers));
|
|
}
|
|
}
|
|
|
|
if (!controllers) {
|
|
NS_WARNING("Could not get controllers");
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIController> controller;
|
|
controllers->GetControllerForCommand(aCommand, getter_AddRefs(controller));
|
|
if (controller) {
|
|
controller->DoCommand(aCommand);
|
|
}
|
|
}
|
|
|
|
static PRBool
|
|
DOMEventToNativeKeyEvent(nsIDOMEvent *aDOMEvent,
|
|
nsNativeKeyEvent *aNativeEvent)
|
|
{
|
|
nsCOMPtr<nsIDOMNSUIEvent> uievent = do_QueryInterface(aDOMEvent);
|
|
PRBool defaultPrevented;
|
|
uievent->GetPreventDefault(&defaultPrevented);
|
|
if (defaultPrevented)
|
|
return PR_FALSE;
|
|
|
|
nsCOMPtr<nsIDOMNSEvent> nsevent = do_QueryInterface(aDOMEvent);
|
|
PRBool trusted = PR_FALSE;
|
|
nsevent->GetIsTrusted(&trusted);
|
|
if (!trusted)
|
|
return PR_FALSE;
|
|
|
|
nsCOMPtr<nsIDOMKeyEvent> keyEvent = do_QueryInterface(aDOMEvent);
|
|
|
|
keyEvent->GetCharCode(&aNativeEvent->charCode);
|
|
keyEvent->GetKeyCode(&aNativeEvent->keyCode);
|
|
keyEvent->GetAltKey(&aNativeEvent->altKey);
|
|
keyEvent->GetCtrlKey(&aNativeEvent->ctrlKey);
|
|
keyEvent->GetShiftKey(&aNativeEvent->shiftKey);
|
|
keyEvent->GetMetaKey(&aNativeEvent->metaKey);
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputListener::KeyDown(nsIDOMEvent *aKeyEvent)
|
|
{
|
|
nsNativeKeyEvent nativeEvent;
|
|
nsINativeKeyBindings *bindings = GetKeyBindings();
|
|
if (bindings && DOMEventToNativeKeyEvent(aKeyEvent, &nativeEvent)) {
|
|
if (bindings->KeyDown(nativeEvent, DoCommandCallback, mFrame)) {
|
|
aKeyEvent->PreventDefault();
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputListener::KeyPress(nsIDOMEvent *aKeyEvent)
|
|
{
|
|
nsNativeKeyEvent nativeEvent;
|
|
nsINativeKeyBindings *bindings = GetKeyBindings();
|
|
if (bindings && DOMEventToNativeKeyEvent(aKeyEvent, &nativeEvent)) {
|
|
if (bindings->KeyPress(nativeEvent, DoCommandCallback, mFrame)) {
|
|
aKeyEvent->PreventDefault();
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputListener::KeyUp(nsIDOMEvent *aKeyEvent)
|
|
{
|
|
nsNativeKeyEvent nativeEvent;
|
|
nsINativeKeyBindings *bindings = GetKeyBindings();
|
|
if (bindings && DOMEventToNativeKeyEvent(aKeyEvent, &nativeEvent)) {
|
|
if (bindings->KeyUp(nativeEvent, DoCommandCallback, mFrame)) {
|
|
aKeyEvent->PreventDefault();
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
// END nsIDOMKeyListener
|
|
|
|
// BEGIN nsIEditorObserver
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputListener::EditAction()
|
|
{
|
|
//
|
|
// Update the undo / redo menus
|
|
//
|
|
nsCOMPtr<nsIEditor> editor;
|
|
mFrame->GetEditor(getter_AddRefs(editor));
|
|
|
|
nsCOMPtr<nsITransactionManager> manager;
|
|
editor->GetTransactionManager(getter_AddRefs(manager));
|
|
NS_ENSURE_TRUE(manager, NS_ERROR_FAILURE);
|
|
|
|
// Get the number of undo / redo items
|
|
PRInt32 numUndoItems = 0;
|
|
PRInt32 numRedoItems = 0;
|
|
manager->GetNumberOfUndoItems(&numUndoItems);
|
|
manager->GetNumberOfRedoItems(&numRedoItems);
|
|
if (numUndoItems && !mHadUndoItems || !numUndoItems && mHadUndoItems ||
|
|
numRedoItems && !mHadRedoItems || !numRedoItems && mHadRedoItems) {
|
|
// Modify the menu if undo or redo items are different
|
|
UpdateTextInputCommands(NS_LITERAL_STRING("undo"));
|
|
|
|
mHadUndoItems = numUndoItems != 0;
|
|
mHadRedoItems = numRedoItems != 0;
|
|
}
|
|
|
|
// Make sure we know we were changed (do NOT set this to false if there are
|
|
// no undo items; JS could change the value and we'd still need to save it)
|
|
mFrame->SetValueChanged(PR_TRUE);
|
|
|
|
// Fire input event
|
|
mFrame->FireOnInput();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// END nsIEditorObserver
|
|
|
|
|
|
nsresult
|
|
nsTextInputListener::UpdateTextInputCommands(const nsAString& commandsToUpdate)
|
|
{
|
|
NS_ENSURE_STATE(mFrame);
|
|
|
|
nsIContent* content = mFrame->GetContent();
|
|
NS_ENSURE_TRUE(content, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIDocument> doc = content->GetDocument();
|
|
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIDOMWindowInternal> domWindow = do_QueryInterface(doc->GetScriptGlobalObject());
|
|
NS_ENSURE_TRUE(domWindow, NS_ERROR_FAILURE);
|
|
|
|
return domWindow->UpdateCommands(commandsToUpdate);
|
|
}
|
|
|
|
nsINativeKeyBindings*
|
|
nsTextInputListener::GetKeyBindings()
|
|
{
|
|
if (mFrame->IsTextArea()) {
|
|
static PRBool sNoTextAreaBindings = PR_FALSE;
|
|
|
|
if (!sNativeTextAreaBindings && !sNoTextAreaBindings) {
|
|
CallGetService(NS_NATIVEKEYBINDINGS_CONTRACTID_PREFIX "textarea",
|
|
&sNativeTextAreaBindings);
|
|
|
|
if (!sNativeTextAreaBindings) {
|
|
sNoTextAreaBindings = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
return sNativeTextAreaBindings;
|
|
}
|
|
|
|
static PRBool sNoInputBindings = PR_FALSE;
|
|
if (!sNativeInputBindings && !sNoInputBindings) {
|
|
CallGetService(NS_NATIVEKEYBINDINGS_CONTRACTID_PREFIX "input",
|
|
&sNativeInputBindings);
|
|
|
|
if (!sNativeInputBindings) {
|
|
sNoInputBindings = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
return sNativeInputBindings;
|
|
}
|
|
|
|
// END nsTextInputListener
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
class nsTextInputSelectionImpl : public nsSupportsWeakReference, public nsISelectionController, public nsIFrameSelection
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
|
|
nsTextInputSelectionImpl(nsIFrameSelection *aSel, nsIPresShell *aShell, nsIContent *aLimiter);
|
|
~nsTextInputSelectionImpl(){}
|
|
|
|
|
|
//NSISELECTIONCONTROLLER INTERFACES
|
|
NS_IMETHOD SetDisplaySelection(PRInt16 toggle);
|
|
NS_IMETHOD GetDisplaySelection(PRInt16 *_retval);
|
|
NS_IMETHOD SetSelectionFlags(PRInt16 aInEnable);
|
|
NS_IMETHOD GetSelectionFlags(PRInt16 *aOutEnable);
|
|
NS_IMETHOD GetSelection(PRInt16 type, nsISelection **_retval);
|
|
NS_IMETHOD ScrollSelectionIntoView(PRInt16 aType, PRInt16 aRegion, PRBool aIsSynchronous);
|
|
NS_IMETHOD RepaintSelection(PRInt16 type);
|
|
NS_IMETHOD RepaintSelection(nsPresContext* aPresContext, SelectionType aSelectionType);
|
|
NS_IMETHOD SetCaretEnabled(PRBool enabled);
|
|
NS_IMETHOD SetCaretReadOnly(PRBool aReadOnly);
|
|
NS_IMETHOD GetCaretEnabled(PRBool *_retval);
|
|
NS_IMETHOD SetCaretVisibilityDuringSelection(PRBool aVisibility);
|
|
NS_IMETHOD CharacterMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD WordMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD LineMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD IntraLineMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD PageMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD CompleteScroll(PRBool aForward);
|
|
NS_IMETHOD CompleteMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD ScrollPage(PRBool aForward);
|
|
NS_IMETHOD ScrollLine(PRBool aForward);
|
|
NS_IMETHOD ScrollHorizontal(PRBool aLeft);
|
|
NS_IMETHOD SelectAll(void);
|
|
NS_IMETHOD CheckVisibility(nsIDOMNode *node, PRInt16 startOffset, PRInt16 EndOffset, PRBool *_retval);
|
|
|
|
// NSIFRAMESELECTION INTERFACES
|
|
NS_IMETHOD Init(nsIPresShell *aShell, nsIContent *aLimiter) ;
|
|
NS_IMETHOD ShutDown() ;
|
|
NS_IMETHOD HandleTextEvent(nsGUIEvent *aGuiEvent) ;
|
|
NS_IMETHOD HandleKeyEvent(nsPresContext* aPresContext, nsGUIEvent *aGuiEvent);
|
|
NS_IMETHOD HandleClick(nsIContent *aNewFocus, PRUint32 aContentOffset, PRUint32 aContentEndOffset ,
|
|
PRBool aContinueSelection, PRBool aMultipleSelection, PRBool aHint);
|
|
NS_IMETHOD HandleDrag(nsPresContext *aPresContext, nsIFrame *aFrame, nsPoint& aPoint);
|
|
NS_IMETHOD HandleTableSelection(nsIContent *aParentContent, PRInt32 aContentOffset, PRInt32 aTarget, nsMouseEvent *aMouseEvent);
|
|
NS_IMETHOD StartAutoScrollTimer(nsPresContext *aPresContext, nsIView* aView, nsPoint& aPoint, PRUint32 aDelay);
|
|
NS_IMETHOD StopAutoScrollTimer();
|
|
NS_IMETHOD EnableFrameNotification(PRBool aEnable);
|
|
NS_IMETHOD LookUpSelection(nsIContent *aContent, PRInt32 aContentOffset, PRInt32 aContentLength,
|
|
SelectionDetails **aReturnDetails, PRBool aSlowCheck);
|
|
NS_IMETHOD SetMouseDownState(PRBool aState);
|
|
NS_IMETHOD GetMouseDownState(PRBool *aState);
|
|
NS_IMETHOD SetDelayCaretOverExistingSelection(PRBool aDelay);
|
|
NS_IMETHOD GetDelayCaretOverExistingSelection(PRBool *aDelay);
|
|
NS_IMETHOD SetDelayedCaretData(nsMouseEvent *aMouseEvent);
|
|
NS_IMETHOD GetDelayedCaretData(nsMouseEvent **aMouseEvent);
|
|
NS_IMETHOD GetLimiter(nsIContent **aLimiterContent);
|
|
NS_IMETHOD GetTableCellSelection(PRBool *aState);
|
|
NS_IMETHOD GetFrameForNodeOffset(nsIContent *aNode, PRInt32 aOffset, HINT aHint, nsIFrame **aReturnFrame, PRInt32 *aReturnOffset);
|
|
NS_IMETHOD AdjustOffsetsFromStyle(nsIFrame *aFrame, PRBool *changeSelection,
|
|
nsIContent** outContent, PRInt32* outStartOffset, PRInt32* outEndOffset);
|
|
NS_IMETHOD GetHint(nsIFrameSelection::HINT *aHint);
|
|
NS_IMETHOD SetHint(nsIFrameSelection::HINT aHint);
|
|
NS_IMETHOD SetScrollableView(nsIScrollableView *aScrollableView);
|
|
NS_IMETHOD GetScrollableView(nsIScrollableView **aScrollableView);
|
|
NS_IMETHOD CommonPageMove(PRBool aForward, PRBool aExtend, nsIScrollableView *aScrollableView, nsIFrameSelection *aFrameSel);
|
|
NS_IMETHOD SetMouseDoubleDown(PRBool aDoubleDown);
|
|
NS_IMETHOD GetMouseDoubleDown(PRBool *aDoubleDown);
|
|
NS_IMETHOD MaintainSelection();
|
|
#ifdef IBMBIDI
|
|
NS_IMETHOD GetPrevNextBidiLevels(nsPresContext *aPresContext,
|
|
nsIContent *aNode,
|
|
PRUint32 aContentOffset,
|
|
nsIFrame **aPrevFrame,
|
|
nsIFrame **aNextFrame,
|
|
PRUint8 *aPrevLevel,
|
|
PRUint8 *aNextLevel);
|
|
NS_IMETHOD GetFrameFromLevel(nsPresContext *aPresContext,
|
|
nsIFrame *aFrameIn,
|
|
nsDirection aDirection,
|
|
PRUint8 aBidiLevel,
|
|
nsIFrame **aFrameOut);
|
|
#endif
|
|
//END INTERFACES
|
|
|
|
|
|
nsWeakPtr &GetPresShell(){return mPresShellWeak;}
|
|
private:
|
|
nsCOMPtr<nsIFrameSelection> mFrameSelection;
|
|
nsCOMPtr<nsIContent> mLimiter;
|
|
nsWeakPtr mPresShellWeak;
|
|
#ifdef IBMBIDI
|
|
nsCOMPtr<nsIBidiKeyboard> mBidiKeyboard;
|
|
#endif
|
|
};
|
|
|
|
// Implement our nsISupports methods
|
|
NS_IMPL_ISUPPORTS3(nsTextInputSelectionImpl, nsISelectionController, nsISupportsWeakReference, nsIFrameSelection)
|
|
|
|
|
|
// BEGIN nsTextInputSelectionImpl
|
|
|
|
nsTextInputSelectionImpl::nsTextInputSelectionImpl(nsIFrameSelection *aSel, nsIPresShell *aShell, nsIContent *aLimiter)
|
|
{
|
|
if (aSel && aShell)
|
|
{
|
|
mFrameSelection = aSel;//we are the owner now!
|
|
mLimiter = aLimiter;
|
|
mFrameSelection->Init(aShell, mLimiter);
|
|
mPresShellWeak = do_GetWeakReference(aShell);
|
|
#ifdef IBMBIDI
|
|
mBidiKeyboard = do_GetService("@mozilla.org/widget/bidikeyboard;1");
|
|
#endif
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::SetDisplaySelection(PRInt16 aToggle)
|
|
{
|
|
if (mFrameSelection)
|
|
return mFrameSelection->SetDisplaySelection(aToggle);
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetDisplaySelection(PRInt16 *aToggle)
|
|
{
|
|
if (mFrameSelection)
|
|
return mFrameSelection->GetDisplaySelection(aToggle);
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::SetSelectionFlags(PRInt16 aToggle)
|
|
{
|
|
return NS_OK;//stub this out. not used in input
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetSelectionFlags(PRInt16 *aOutEnable)
|
|
{
|
|
*aOutEnable = nsISelectionDisplay::DISPLAY_TEXT;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetSelection(PRInt16 type, nsISelection **_retval)
|
|
{
|
|
if (mFrameSelection)
|
|
return mFrameSelection->GetSelection(type, _retval);
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::ScrollSelectionIntoView(PRInt16 aType, PRInt16 aRegion, PRBool aIsSynchronous)
|
|
{
|
|
if (mFrameSelection) {
|
|
nsresult rv = mFrameSelection->ScrollSelectionIntoView(aType, aRegion, aIsSynchronous);
|
|
|
|
nsIScrollableView* scrollableView = nsnull;
|
|
GetScrollableView(&scrollableView);
|
|
if (!scrollableView) {
|
|
return rv;
|
|
}
|
|
nsIView* view = nsnull;
|
|
scrollableView->GetScrolledView(view);
|
|
if (!view) {
|
|
return rv;
|
|
}
|
|
const nsRect portRect = scrollableView->View()->GetBounds();
|
|
const nsRect viewRect = view->GetBounds();
|
|
if (viewRect.XMost() < portRect.width) {
|
|
return scrollableView->ScrollTo(PR_MAX(viewRect.width - portRect.width, 0), viewRect.y, 0);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::RepaintSelection(PRInt16 type)
|
|
{
|
|
if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
|
|
nsCOMPtr<nsIPresShell> presShell = do_QueryReferent(mPresShellWeak);
|
|
if (presShell)
|
|
{
|
|
nsPresContext *context = presShell->GetPresContext();
|
|
if (context)
|
|
{
|
|
return mFrameSelection->RepaintSelection(context, type);
|
|
}
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::RepaintSelection(nsPresContext* aPresContext, SelectionType aSelectionType)
|
|
{
|
|
return RepaintSelection(aSelectionType);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::SetCaretEnabled(PRBool enabled)
|
|
{
|
|
if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
nsCOMPtr<nsIPresShell> shell = do_QueryReferent(mPresShellWeak);
|
|
if (!shell) return NS_ERROR_FAILURE;
|
|
|
|
// tell the pres shell to enable the caret, rather than settings its visibility directly.
|
|
// this way the presShell's idea of caret visibility is maintained.
|
|
nsCOMPtr<nsISelectionController> selCon = do_QueryInterface(shell);
|
|
if (!selCon) return NS_ERROR_NO_INTERFACE;
|
|
selCon->SetCaretEnabled(enabled);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::SetCaretReadOnly(PRBool aReadOnly)
|
|
{
|
|
if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
|
|
nsresult result;
|
|
nsCOMPtr<nsIPresShell> shell = do_QueryReferent(mPresShellWeak, &result);
|
|
if (shell)
|
|
{
|
|
nsCOMPtr<nsICaret> caret;
|
|
if (NS_SUCCEEDED(result = shell->GetCaret(getter_AddRefs(caret))))
|
|
{
|
|
nsCOMPtr<nsISelection> domSel;
|
|
if (NS_SUCCEEDED(result = mFrameSelection->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel))))
|
|
{
|
|
return caret->SetCaretReadOnly(aReadOnly);
|
|
}
|
|
}
|
|
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetCaretEnabled(PRBool *_retval)
|
|
{
|
|
if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
|
|
nsresult result;
|
|
nsCOMPtr<nsIPresShell> shell = do_QueryReferent(mPresShellWeak, &result);
|
|
if (shell)
|
|
{
|
|
nsCOMPtr<nsICaret> caret;
|
|
if (NS_SUCCEEDED(result = shell->GetCaret(getter_AddRefs(caret))))
|
|
{
|
|
nsCOMPtr<nsISelection> domSel;
|
|
if (NS_SUCCEEDED(result = mFrameSelection->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel))))
|
|
{
|
|
return caret->GetCaretVisible(_retval);
|
|
}
|
|
}
|
|
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::SetCaretVisibilityDuringSelection(PRBool aVisibility)
|
|
{
|
|
if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
|
|
nsresult result;
|
|
nsCOMPtr<nsIPresShell> shell = do_QueryReferent(mPresShellWeak, &result);
|
|
if (shell)
|
|
{
|
|
nsCOMPtr<nsICaret> caret;
|
|
if (NS_SUCCEEDED(result = shell->GetCaret(getter_AddRefs(caret))))
|
|
{
|
|
nsCOMPtr<nsISelection> domSel;
|
|
if (NS_SUCCEEDED(result = mFrameSelection->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel))))
|
|
{
|
|
return caret->SetVisibilityDuringSelection(aVisibility);
|
|
}
|
|
}
|
|
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::CharacterMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
if (mFrameSelection)
|
|
return mFrameSelection->CharacterMove(aForward, aExtend);
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::WordMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
if (mFrameSelection)
|
|
return mFrameSelection->WordMove(aForward, aExtend);
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::LineMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
if (mFrameSelection)
|
|
{
|
|
nsresult result = mFrameSelection->LineMove(aForward, aExtend);
|
|
if (NS_FAILED(result))
|
|
result = CompleteMove(aForward,aExtend);
|
|
return result;
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::IntraLineMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
if (mFrameSelection)
|
|
return mFrameSelection->IntraLineMove(aForward, aExtend);
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::PageMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
// expected behavior for PageMove is to scroll AND move the caret
|
|
// and to remain relative position of the caret in view. see Bug 4302.
|
|
|
|
if (mPresShellWeak)
|
|
{
|
|
nsCOMPtr<nsIPresShell> presShell = do_QueryReferent(mPresShellWeak);
|
|
if (!presShell)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
//get the scroll view
|
|
nsIScrollableView *scrollableView;
|
|
nsresult result = GetScrollableView(&scrollableView);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
CommonPageMove(aForward, aExtend, scrollableView, this);
|
|
}
|
|
return ScrollSelectionIntoView(nsISelectionController::SELECTION_NORMAL, nsISelectionController::SELECTION_FOCUS_REGION, PR_TRUE);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::CompleteScroll(PRBool aForward)
|
|
{
|
|
nsIScrollableView *scrollableView;
|
|
nsresult result;
|
|
result = GetScrollableView(&scrollableView);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
if (!scrollableView)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
return scrollableView->ScrollByWhole(!aForward); //TRUE = top, aForward TRUE=bottom
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::CompleteMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
// grab the parent / root DIV for this text widget
|
|
nsresult result;
|
|
nsCOMPtr<nsIContent> parentDIV;
|
|
result = GetLimiter(getter_AddRefs(parentDIV));
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
if (!parentDIV)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
// make the caret be either at the very beginning (0) or the very end
|
|
PRInt32 offset = 0;
|
|
HINT hint = HINTLEFT;
|
|
if (aForward)
|
|
{
|
|
offset = parentDIV->GetChildCount();
|
|
|
|
// Prevent the caret from being placed after the last
|
|
// BR node in the content tree!
|
|
|
|
if (offset > 0)
|
|
{
|
|
nsIContent *child = parentDIV->GetChildAt(offset - 1);
|
|
|
|
if (child->Tag() == nsHTMLAtoms::br)
|
|
{
|
|
--offset;
|
|
hint = HINTRIGHT; // for Bug 106855
|
|
}
|
|
}
|
|
}
|
|
|
|
result = mFrameSelection->HandleClick(parentDIV, offset, offset, aExtend, PR_FALSE, hint);
|
|
|
|
// if we got this far, attempt to scroll no matter what the above result is
|
|
return CompleteScroll(aForward);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::ScrollPage(PRBool aForward)
|
|
{
|
|
nsIScrollableView *scrollableView;
|
|
nsresult result;
|
|
result = GetScrollableView(&scrollableView);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
if (!scrollableView)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
return scrollableView->ScrollByPages(0, aForward ? 1 : -1);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::ScrollLine(PRBool aForward)
|
|
{
|
|
nsIScrollableView *scrollableView;
|
|
nsresult result;
|
|
result = GetScrollableView(&scrollableView);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
if (!scrollableView)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
// will we have bug #7354 because we aren't forcing an update here?
|
|
return scrollableView->ScrollByLines(0, aForward ? 1 : -1);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::ScrollHorizontal(PRBool aLeft)
|
|
{
|
|
nsIScrollableView *scrollableView;
|
|
nsresult result;
|
|
result = GetScrollableView(&scrollableView);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
if (!scrollableView)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
// will we have bug #7354 because we aren't forcing an update here?
|
|
return scrollableView->ScrollByLines(aLeft ? -1 : 1, 0);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::SelectAll()
|
|
{
|
|
if (mFrameSelection)
|
|
return mFrameSelection->SelectAll();
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::CheckVisibility(nsIDOMNode *node, PRInt16 startOffset, PRInt16 EndOffset, PRBool *_retval)
|
|
{
|
|
if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
|
|
nsresult result;
|
|
nsCOMPtr<nsISelectionController> shell = do_QueryReferent(mPresShellWeak, &result);
|
|
if (shell)
|
|
{
|
|
return shell->CheckVisibility(node,startOffset,EndOffset, _retval);
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
//nsTextInputSelectionImpl::FRAMESELECTIONAPIS
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::Init(nsIPresShell *aShell, nsIContent *aLimiter)
|
|
{
|
|
return mFrameSelection->Init(aShell, aLimiter);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::ShutDown()
|
|
{
|
|
return mFrameSelection->ShutDown();
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::HandleTextEvent(nsGUIEvent *aGuiEvent)
|
|
{
|
|
return mFrameSelection->HandleTextEvent(aGuiEvent);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::HandleKeyEvent(nsPresContext* aPresContext, nsGUIEvent *aGuiEvent)
|
|
{
|
|
return mFrameSelection->HandleKeyEvent(aPresContext, aGuiEvent);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::HandleClick(nsIContent *aNewFocus, PRUint32 aContentOffset, PRUint32 aContentEndOffset ,
|
|
PRBool aContinueSelection, PRBool aMultipleSelection, PRBool aHint)
|
|
{
|
|
return mFrameSelection->HandleClick(aNewFocus, aContentOffset, aContentEndOffset ,
|
|
aContinueSelection, aMultipleSelection, aHint);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::HandleDrag(nsPresContext *aPresContext, nsIFrame *aFrame, nsPoint& aPoint)
|
|
{
|
|
return mFrameSelection->HandleDrag(aPresContext, aFrame, aPoint);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::HandleTableSelection(nsIContent *aParentContent, PRInt32 aContentOffset, PRInt32 aTarget, nsMouseEvent *aMouseEvent)
|
|
{
|
|
// We should never have a table inside a text control frame!
|
|
NS_ASSERTION(PR_TRUE, "Calling HandleTableSelection inside nsTextControlFrame!");
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::StartAutoScrollTimer(nsPresContext *aPresContext, nsIView *aView, nsPoint& aPoint, PRUint32 aDelay)
|
|
{
|
|
return mFrameSelection->StartAutoScrollTimer(aPresContext, aView, aPoint, aDelay);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::StopAutoScrollTimer()
|
|
{
|
|
return mFrameSelection->StopAutoScrollTimer();
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::EnableFrameNotification(PRBool aEnable)
|
|
{
|
|
return mFrameSelection->EnableFrameNotification(aEnable);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::LookUpSelection(nsIContent *aContent, PRInt32 aContentOffset, PRInt32 aContentLength,
|
|
SelectionDetails **aReturnDetails, PRBool aSlowCheck)
|
|
{
|
|
return mFrameSelection->LookUpSelection(aContent, aContentOffset, aContentLength, aReturnDetails, aSlowCheck);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::SetMouseDownState(PRBool aState)
|
|
{
|
|
return mFrameSelection->SetMouseDownState(aState);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetMouseDownState(PRBool *aState)
|
|
{
|
|
return mFrameSelection->GetMouseDownState(aState);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::SetDelayCaretOverExistingSelection(PRBool aDelay)
|
|
{
|
|
return mFrameSelection->SetDelayCaretOverExistingSelection(aDelay);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetDelayCaretOverExistingSelection(PRBool *aDelay)
|
|
{
|
|
return mFrameSelection->GetDelayCaretOverExistingSelection(aDelay);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::SetDelayedCaretData(nsMouseEvent *aMouseEvent)
|
|
{
|
|
return mFrameSelection->SetDelayedCaretData(aMouseEvent);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetDelayedCaretData(nsMouseEvent **aMouseEvent)
|
|
{
|
|
return mFrameSelection->GetDelayedCaretData(aMouseEvent);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetLimiter(nsIContent **aLimiterContent)
|
|
{
|
|
return mFrameSelection->GetLimiter(aLimiterContent);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetTableCellSelection(PRBool *aState)
|
|
{
|
|
return mFrameSelection->GetTableCellSelection(aState);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetFrameForNodeOffset(nsIContent *aNode, PRInt32 aOffset, HINT aHint, nsIFrame **aReturnFrame, PRInt32 *aReturnOffset)
|
|
{
|
|
return mFrameSelection->GetFrameForNodeOffset(aNode, aOffset, aHint,aReturnFrame,aReturnOffset);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::AdjustOffsetsFromStyle(nsIFrame *aFrame, PRBool *changeSelection,
|
|
nsIContent** outContent, PRInt32* outStartOffset, PRInt32* outEndOffset)
|
|
{
|
|
return mFrameSelection->AdjustOffsetsFromStyle(aFrame, changeSelection, outContent, outStartOffset, outEndOffset);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextInputSelectionImpl::GetHint(nsIFrameSelection::HINT *aHint)
|
|
{
|
|
return mFrameSelection->GetHint(aHint);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextInputSelectionImpl::SetHint(nsIFrameSelection::HINT aHint)
|
|
{
|
|
return mFrameSelection->SetHint(aHint);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextInputSelectionImpl::SetScrollableView(nsIScrollableView *aScrollableView)
|
|
{
|
|
return mFrameSelection->SetScrollableView(aScrollableView);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextInputSelectionImpl::GetScrollableView(nsIScrollableView **aScrollableView)
|
|
{
|
|
return mFrameSelection->GetScrollableView(aScrollableView);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextInputSelectionImpl::SetMouseDoubleDown(PRBool aDoubleDown)
|
|
{
|
|
return mFrameSelection->SetMouseDoubleDown(aDoubleDown);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextInputSelectionImpl::GetMouseDoubleDown(PRBool *aDoubleDown)
|
|
{
|
|
return mFrameSelection->GetMouseDoubleDown(aDoubleDown);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextInputSelectionImpl::MaintainSelection()
|
|
{
|
|
return mFrameSelection->MaintainSelection();
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextInputSelectionImpl::CommonPageMove(PRBool aForward, PRBool aExtend, nsIScrollableView *aScrollableView, nsIFrameSelection *aFrameSel)
|
|
{
|
|
return mFrameSelection->CommonPageMove(aForward, aExtend, aScrollableView, this);
|
|
}
|
|
|
|
#ifdef IBMBIDI
|
|
NS_IMETHODIMP nsTextInputSelectionImpl::GetPrevNextBidiLevels(nsPresContext *aPresContext,
|
|
nsIContent *aNode,
|
|
PRUint32 aContentOffset,
|
|
nsIFrame **aPrevFrame,
|
|
nsIFrame **aNextFrame,
|
|
PRUint8 *aPrevLevel,
|
|
PRUint8 *aNextLevel)
|
|
{
|
|
if (mFrameSelection)
|
|
return mFrameSelection->GetPrevNextBidiLevels(aPresContext, aNode, aContentOffset, aPrevFrame, aNextFrame, aPrevLevel, aNextLevel);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextInputSelectionImpl::GetFrameFromLevel(nsPresContext *aPresContext,
|
|
nsIFrame *aFrameIn,
|
|
nsDirection aDirection,
|
|
PRUint8 aBidiLevel,
|
|
nsIFrame **aFrameOut)
|
|
{
|
|
if (mFrameSelection)
|
|
return mFrameSelection->GetFrameFromLevel(aPresContext, aFrameIn, aDirection, aBidiLevel, aFrameOut);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
#endif // IBMBIDI
|
|
|
|
// END nsTextInputSelectionImpl
|
|
|
|
|
|
|
|
nsresult
|
|
NS_NewTextControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
|
|
{
|
|
NS_PRECONDITION(aNewFrame, "null OUT ptr");
|
|
if (nsnull == aNewFrame) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
nsTextControlFrame* it = new (aPresShell) nsTextControlFrame(aPresShell);
|
|
if (!it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
*aNewFrame = it;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMPL_ADDREF_INHERITED(nsTextControlFrame, nsBoxFrame)
|
|
NS_IMPL_RELEASE_INHERITED(nsTextControlFrame, nsBoxFrame)
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
|
|
{
|
|
if (NULL == aInstancePtr) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (aIID.Equals(NS_GET_IID(nsIFormControlFrame))) {
|
|
*aInstancePtr = (void*) ((nsIFormControlFrame*) this);
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(NS_GET_IID(nsIAnonymousContentCreator))) {
|
|
*aInstancePtr = (void*)(nsIAnonymousContentCreator*) this;
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(NS_GET_IID(nsITextControlFrame))) {
|
|
*aInstancePtr = (void*)(nsITextControlFrame*) this;
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(NS_GET_IID(nsIScrollableViewProvider)) && IsScrollable()) {
|
|
*aInstancePtr = (void*)(nsIScrollableViewProvider*) this;
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(NS_GET_IID(nsIPhonetic))) {
|
|
*aInstancePtr = (void*)(nsIPhonetic*) this;
|
|
return NS_OK;
|
|
}
|
|
|
|
return nsBoxFrame::QueryInterface(aIID, aInstancePtr);
|
|
}
|
|
|
|
#ifdef ACCESSIBILITY
|
|
NS_IMETHODIMP nsTextControlFrame::GetAccessible(nsIAccessible** aAccessible)
|
|
{
|
|
nsCOMPtr<nsIAccessibilityService> accService = do_GetService("@mozilla.org/accessibilityService;1");
|
|
|
|
if (accService) {
|
|
return accService->CreateHTMLTextFieldAccessible(NS_STATIC_CAST(nsIFrame*, this), aAccessible);
|
|
}
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
#endif
|
|
|
|
nsTextControlFrame::nsTextControlFrame(nsIPresShell* aShell)
|
|
: nsStackFrame(aShell)
|
|
{
|
|
mUseEditor = PR_FALSE;
|
|
mIsProcessing = PR_FALSE;
|
|
mNotifyOnInput = PR_TRUE;
|
|
mSuggestedWidth = NS_FORMSIZE_NOTSET;
|
|
mSuggestedHeight = NS_FORMSIZE_NOTSET;
|
|
mScrollableView = nsnull;
|
|
mDidPreDestroy = PR_FALSE;
|
|
mHasFocus = PR_FALSE;
|
|
}
|
|
|
|
nsTextControlFrame::~nsTextControlFrame()
|
|
{
|
|
//delete mTextListener;
|
|
//delete mTextSelImpl; dont delete this since mSelCon will release it.
|
|
}
|
|
|
|
static PRBool
|
|
SuppressEventHandlers(nsPresContext* aPresContext)
|
|
{
|
|
PRBool suppressHandlers = PR_FALSE;
|
|
|
|
if (aPresContext)
|
|
{
|
|
// Right now we only suppress event handlers and controller manipulation
|
|
// when in a print preview or print context!
|
|
|
|
#ifdef USE_QI_IN_SUPPRESS_EVENT_HANDLERS
|
|
|
|
// Using QI to see if we're printing or print previewing is more
|
|
// accurate, but a bit more heavy weight then just checking
|
|
// the pagination bool, which will return the right answer to us
|
|
// with the current implementation.
|
|
|
|
nsCOMPtr<nsIPrintContext> printContext = do_QueryInterface(aPresContext);
|
|
if (printContext)
|
|
suppressHandlers = PR_TRUE;
|
|
else
|
|
{
|
|
nsCOMPtr<nsIPrintPreviewContext> printPreviewContext = do_QueryInterface(aPresContext);
|
|
if (printPreviewContext)
|
|
suppressHandlers = PR_TRUE;
|
|
}
|
|
|
|
#else
|
|
|
|
// In the current implementation, we only paginate when
|
|
// printing or in print preview.
|
|
|
|
suppressHandlers = aPresContext->IsPaginated();
|
|
|
|
#endif
|
|
}
|
|
|
|
return suppressHandlers;
|
|
}
|
|
|
|
void
|
|
nsTextControlFrame::PreDestroy(nsPresContext* aPresContext)
|
|
{
|
|
// notify the editor that we are going away
|
|
if (mEditor)
|
|
{
|
|
// If we were in charge of state before, relinquish it back
|
|
// to the control.
|
|
if (mUseEditor)
|
|
{
|
|
// First get the frame state from the editor
|
|
nsAutoString value;
|
|
GetValue(value, PR_TRUE);
|
|
|
|
mUseEditor = PR_FALSE;
|
|
|
|
// Next store the frame state in the control
|
|
// (now that mUseEditor is false values get stored
|
|
// in content).
|
|
SetValue(value);
|
|
}
|
|
mEditor->PreDestroy();
|
|
}
|
|
|
|
// Clean up the controller
|
|
|
|
if (!SuppressEventHandlers(aPresContext))
|
|
{
|
|
nsCOMPtr<nsIControllers> controllers;
|
|
nsCOMPtr<nsIDOMNSHTMLInputElement> inputElement = do_QueryInterface(mContent);
|
|
if (inputElement)
|
|
inputElement->GetControllers(getter_AddRefs(controllers));
|
|
else
|
|
{
|
|
nsCOMPtr<nsIDOMNSHTMLTextAreaElement> textAreaElement = do_QueryInterface(mContent);
|
|
if (textAreaElement) {
|
|
textAreaElement->GetControllers(getter_AddRefs(controllers));
|
|
}
|
|
}
|
|
|
|
if (controllers)
|
|
{
|
|
PRUint32 numControllers;
|
|
nsresult rv = controllers->GetControllerCount(&numControllers);
|
|
NS_ASSERTION((NS_SUCCEEDED(rv)), "bad result in gfx text control destructor");
|
|
for (PRUint32 i = 0; i < numControllers; i ++)
|
|
{
|
|
nsCOMPtr<nsIController> controller;
|
|
rv = controllers->GetControllerAt(i, getter_AddRefs(controller));
|
|
if (NS_SUCCEEDED(rv) && controller)
|
|
{
|
|
nsCOMPtr<nsIControllerContext> editController = do_QueryInterface(controller);
|
|
if (editController)
|
|
{
|
|
editController->SetCommandContext(nsnull);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
mSelCon = 0;
|
|
mEditor = 0;
|
|
|
|
//unregister self from content
|
|
mTextListener->SetFrame(nsnull);
|
|
nsFormControlFrame::RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_FALSE);
|
|
if (mTextListener)
|
|
{
|
|
nsCOMPtr<nsIDOMEventReceiver> erP = do_QueryInterface(mContent);
|
|
if (erP)
|
|
{
|
|
erP->RemoveEventListenerByIID(NS_STATIC_CAST(nsIDOMFocusListener *,mTextListener), NS_GET_IID(nsIDOMFocusListener));
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMEventGroup> systemGroup;
|
|
erP->GetSystemEventGroup(getter_AddRefs(systemGroup));
|
|
nsCOMPtr<nsIDOM3EventTarget> dom3Targ = do_QueryInterface(mContent);
|
|
if (dom3Targ) {
|
|
// cast because of ambiguous base
|
|
nsIDOMEventListener *listener = NS_STATIC_CAST(nsIDOMKeyListener*,
|
|
mTextListener);
|
|
|
|
dom3Targ->RemoveGroupedEventListener(NS_LITERAL_STRING("keydown"),
|
|
listener, PR_FALSE, systemGroup);
|
|
dom3Targ->RemoveGroupedEventListener(NS_LITERAL_STRING("keypress"),
|
|
listener, PR_FALSE, systemGroup);
|
|
dom3Targ->RemoveGroupedEventListener(NS_LITERAL_STRING("keyup"),
|
|
listener, PR_FALSE, systemGroup);
|
|
}
|
|
}
|
|
|
|
mDidPreDestroy = PR_TRUE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::Destroy(nsPresContext* aPresContext)
|
|
{
|
|
if (!mDidPreDestroy) {
|
|
PreDestroy(aPresContext);
|
|
}
|
|
return nsBoxFrame::Destroy(aPresContext);
|
|
}
|
|
|
|
void
|
|
nsTextControlFrame::RemovedAsPrimaryFrame(nsPresContext* aPresContext)
|
|
{
|
|
if (!mDidPreDestroy) {
|
|
PreDestroy(aPresContext);
|
|
}
|
|
else NS_ASSERTION(PR_FALSE, "RemovedAsPrimaryFrame called after PreDestroy");
|
|
}
|
|
|
|
nsIAtom*
|
|
nsTextControlFrame::GetType() const
|
|
{
|
|
return nsLayoutAtoms::textInputFrame;
|
|
}
|
|
|
|
// XXX: wouldn't it be nice to get this from the style context!
|
|
PRBool nsTextControlFrame::IsSingleLineTextControl() const
|
|
{
|
|
PRInt32 type = GetFormControlType();
|
|
return (type == NS_FORM_INPUT_TEXT) || (type == NS_FORM_INPUT_PASSWORD);
|
|
}
|
|
|
|
PRBool nsTextControlFrame::IsTextArea() const
|
|
{
|
|
return mContent && mContent->Tag() == nsHTMLAtoms::textarea;
|
|
}
|
|
|
|
// XXX: wouldn't it be nice to get this from the style context!
|
|
PRBool nsTextControlFrame::IsPlainTextControl() const
|
|
{
|
|
// need to check HTML attribute of mContent and/or CSS.
|
|
return PR_TRUE;
|
|
}
|
|
|
|
PRBool nsTextControlFrame::IsPasswordTextControl() const
|
|
{
|
|
return GetFormControlType() == NS_FORM_INPUT_PASSWORD;
|
|
}
|
|
|
|
|
|
PRInt32
|
|
nsTextControlFrame::GetCols()
|
|
{
|
|
nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent);
|
|
NS_ASSERTION(content, "Content is not HTML content!");
|
|
|
|
if (IsTextArea()) {
|
|
const nsAttrValue* attr = content->GetParsedAttr(nsHTMLAtoms::cols);
|
|
if (attr) {
|
|
PRInt32 cols = attr->Type() == nsAttrValue::eInteger ?
|
|
attr->GetIntegerValue() : 0;
|
|
// XXX why a default of 1 char, why hide it
|
|
return (cols <= 0) ? 1 : cols;
|
|
}
|
|
} else {
|
|
// Else we know (assume) it is an input with size attr
|
|
const nsAttrValue* attr = content->GetParsedAttr(nsHTMLAtoms::size);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger) {
|
|
PRInt32 cols = attr->GetIntegerValue();
|
|
if (cols > 0) {
|
|
return cols;
|
|
}
|
|
}
|
|
}
|
|
|
|
return DEFAULT_COLS;
|
|
}
|
|
|
|
|
|
PRInt32
|
|
nsTextControlFrame::GetRows()
|
|
{
|
|
if (IsTextArea()) {
|
|
nsGenericHTMLElement *content =
|
|
nsGenericHTMLElement::FromContent(mContent);
|
|
NS_ASSERTION(content, "Content is not HTML content!");
|
|
|
|
const nsAttrValue* attr = content->GetParsedAttr(nsHTMLAtoms::rows);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger) {
|
|
PRInt32 rows = attr->GetIntegerValue();
|
|
return (rows <= 0) ? DEFAULT_ROWS_TEXTAREA : rows;
|
|
}
|
|
return DEFAULT_ROWS_TEXTAREA;
|
|
}
|
|
|
|
return DEFAULT_ROWS;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsTextControlFrame::ReflowStandard(nsPresContext* aPresContext,
|
|
nsSize& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
// get the css size and let the frame use or override it
|
|
nsSize minSize;
|
|
nsresult rv = CalculateSizeStandard(aPresContext, aReflowState,
|
|
aDesiredSize, minSize);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Add in the size of the scrollbars for textarea
|
|
if (IsTextArea()) {
|
|
float p2t;
|
|
p2t = aPresContext->PixelsToTwips();
|
|
|
|
nsIDeviceContext *dx = aPresContext->DeviceContext();
|
|
|
|
float scale;
|
|
dx->GetCanonicalPixelScale(scale);
|
|
|
|
float sbWidth;
|
|
float sbHeight;
|
|
dx->GetScrollBarDimensions(sbWidth, sbHeight);
|
|
|
|
nscoord scrollbarWidth = PRInt32(sbWidth * scale);
|
|
nscoord scrollbarHeight = PRInt32(sbHeight * scale);
|
|
|
|
aDesiredSize.height += scrollbarHeight;
|
|
minSize.height += scrollbarHeight;
|
|
|
|
aDesiredSize.width += scrollbarWidth;
|
|
minSize.width += scrollbarWidth;
|
|
}
|
|
aDesiredSize.width += aReflowState.mComputedBorderPadding.left + aReflowState.mComputedBorderPadding.right;
|
|
aDesiredSize.height += aReflowState.mComputedBorderPadding.top + aReflowState.mComputedBorderPadding.bottom;
|
|
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
nsTextControlFrame::CalculateSizeStandard(nsPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsSize& aDesiredSize,
|
|
nsSize& aMinSize)
|
|
{
|
|
aDesiredSize.width = CSS_NOTSET;
|
|
aDesiredSize.height = CSS_NOTSET;
|
|
|
|
// Get leading and the Average/MaxAdvance char width
|
|
nscoord lineHeight = 0;
|
|
nscoord charWidth = 0;
|
|
nscoord charMaxAdvance = 0;
|
|
|
|
nsCOMPtr<nsIFontMetrics> fontMet;
|
|
nsresult rv = nsFormControlHelper::GetFrameFontFM(this, getter_AddRefs(fontMet));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
nsIRenderingContext* rendContext = aReflowState.rendContext;
|
|
rendContext->SetFont(fontMet);
|
|
lineHeight = aReflowState.CalcLineHeight(aPresContext, rendContext, this);
|
|
fontMet->GetAveCharWidth(charWidth);
|
|
fontMet->GetMaxAdvance(charMaxAdvance);
|
|
|
|
// Set the width equal to the width in characters
|
|
PRInt32 cols = GetCols();
|
|
aDesiredSize.width = cols * charWidth;
|
|
|
|
// To better match IE, take the maximum character width(in twips) and remove
|
|
// 4 pixels add this on as additional padding(internalPadding). But only do
|
|
// this if charMaxAdvance != charWidth; if they are equal, this is almost
|
|
// certainly a fixed-width font.
|
|
if (charWidth != charMaxAdvance) {
|
|
float p2t;
|
|
p2t = aPresContext->PixelsToTwips();
|
|
nscoord internalPadding = PR_MAX(charMaxAdvance - NSToCoordRound(4 * p2t), 0);
|
|
// round to a multiple of p2t
|
|
nscoord t = NSToCoordRound(p2t);
|
|
nscoord rest = internalPadding % t;
|
|
if (rest < t - rest) {
|
|
internalPadding -= rest;
|
|
} else {
|
|
internalPadding += t - rest;
|
|
}
|
|
// Now add the extra padding on (so that small input sizes work well)
|
|
aDesiredSize.width += internalPadding;
|
|
} else {
|
|
// This is to account for the anonymous <br> having a 1 twip width
|
|
// in Full Standards mode, see BRFrame::Reflow and bug 228752.
|
|
if (aPresContext->CompatibilityMode() == eCompatibility_FullStandards) {
|
|
aDesiredSize.width += 1;
|
|
}
|
|
}
|
|
|
|
// Increment width with cols * letter-spacing.
|
|
{
|
|
const nsStyleCoord& lsCoord = GetStyleText()->mLetterSpacing;
|
|
if (eStyleUnit_Coord == lsCoord.GetUnit()) {
|
|
nscoord letterSpacing = lsCoord.GetCoordValue();
|
|
if (letterSpacing != 0) {
|
|
aDesiredSize.width += cols * letterSpacing;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set the height equal to total number of rows (times the height of each
|
|
// line, of course)
|
|
aDesiredSize.height = lineHeight * GetRows();
|
|
|
|
// Set minimum size equal to desired size. We are form controls. We are Gods
|
|
// among elements. We do not yield for anybody, not even a table cell. None
|
|
// shall pass.
|
|
aMinSize.width = aDesiredSize.width;
|
|
aMinSize.height = aDesiredSize.height;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void nsTextControlFrame::PostCreateFrames() {
|
|
InitEditor();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::CreateFrameFor(nsPresContext* aPresContext,
|
|
nsIContent * aContent,
|
|
nsIFrame** aFrame)
|
|
{
|
|
*aFrame = nsnull;
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::InitEditor()
|
|
{
|
|
// This method must be called during/after the text
|
|
// control frame's initial reflow to avoid any unintened
|
|
// forced reflows that might result when the editor
|
|
// calls into DOM/layout code while trying to set the
|
|
// initial string.
|
|
//
|
|
// This code used to be called from CreateAnonymousContent(),
|
|
// but when the editor set the initial string, it would trigger
|
|
// a PresShell listener which called FlushPendingNotifications()
|
|
// during frame construction. This was causing other form controls
|
|
// to display wrong values.
|
|
|
|
// Check if this method has been called already.
|
|
// If so, just return early.
|
|
|
|
if (mUseEditor)
|
|
return NS_OK;
|
|
|
|
// If the editor is not here, then we can't use it, now can we?
|
|
if (!mEditor)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
// Get the current value of the textfield from the content.
|
|
nsAutoString defaultValue;
|
|
GetValue(defaultValue, PR_TRUE);
|
|
|
|
// Turn on mUseEditor so that subsequent calls will use the
|
|
// editor.
|
|
mUseEditor = PR_TRUE;
|
|
|
|
// If we have a default value, insert it under the div we created
|
|
// above, but be sure to use the editor so that '*' characters get
|
|
// displayed for password fields, etc. SetValue() will call the
|
|
// editor for us.
|
|
|
|
if (!defaultValue.IsEmpty()) {
|
|
PRUint32 editorFlags = 0;
|
|
|
|
nsresult rv = mEditor->GetFlags(&editorFlags);
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// Avoid causing reentrant painting and reflowing by telling the editor
|
|
// that we don't want it to force immediate view refreshes or force
|
|
// immediate reflows during any editor calls.
|
|
|
|
rv = mEditor->SetFlags(editorFlags |
|
|
nsIPlaintextEditor::eEditorUseAsyncUpdatesMask);
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// Now call SetValue() which will make the necessary editor calls to set
|
|
// the default value. Make sure to turn off undo before setting the default
|
|
// value, and turn it back on afterwards. This will make sure we can't undo
|
|
// past the default value.
|
|
|
|
rv = mEditor->EnableUndo(PR_FALSE);
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
SetValue(defaultValue);
|
|
|
|
rv = mEditor->EnableUndo(PR_TRUE);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv),"Transaction Manager must have failed");
|
|
// Now restore the original editor flags.
|
|
|
|
rv = mEditor->SetFlags(editorFlags);
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
|
|
nsCOMPtr<nsITransactionManager> transMgr;
|
|
mEditor->GetTransactionManager(getter_AddRefs(transMgr));
|
|
NS_ENSURE_TRUE(transMgr, NS_ERROR_FAILURE);
|
|
|
|
transMgr->SetMaxTransactionCount(DEFAULT_UNDO_CAP);
|
|
|
|
if (IsPasswordTextControl()) {
|
|
// Disable undo for password textfields. Note that we want to do this at
|
|
// the very end of InitEditor, so the calls to EnableUndo when setting the
|
|
// default value don't screw us up.
|
|
// Since changing the control type does a reframe, we don't have to worry
|
|
// about dynamic type changes here.
|
|
mEditor->EnableUndo(PR_FALSE);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::CreateAnonymousContent(nsPresContext* aPresContext,
|
|
nsISupportsArray& aChildList)
|
|
{
|
|
// Get the PresShell
|
|
|
|
mState |= NS_FRAME_INDEPENDENT_SELECTION;
|
|
|
|
nsIPresShell *shell = aPresContext->GetPresShell();
|
|
|
|
if (!shell)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Get the DOM document
|
|
|
|
nsIDocument *doc = shell->GetDocument();
|
|
if (!doc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIDOMDocument> domdoc = do_QueryInterface(doc, &rv);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
if (!domdoc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Now create a DIV and add it to the anonymous content child list.
|
|
nsCOMPtr<nsINodeInfo> nodeInfo;
|
|
rv = doc->NodeInfoManager()->GetNodeInfo(nsHTMLAtoms::div, nsnull,
|
|
kNameSpaceID_XHTML,
|
|
getter_AddRefs(nodeInfo));
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
if (!nodeInfo)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIContent> divContent;
|
|
rv = NS_NewHTMLElement(getter_AddRefs(divContent), nodeInfo);
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
if (!divContent)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Set the div native anonymous, so CSS will be its style language
|
|
// no matter what.
|
|
divContent->SetNativeAnonymous(PR_TRUE);
|
|
|
|
// Set the necessary style attributes on the text control.
|
|
|
|
rv = divContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::kClass,
|
|
NS_LITERAL_STRING("anonymous-div"), PR_FALSE);
|
|
|
|
if (!IsSingleLineTextControl()) {
|
|
// We can't just inherit the overflow because setting visible overflow will
|
|
// crash when the number of lines exceeds the height of the textarea and
|
|
// setting -moz-hidden-unscrollable overflow (NS_STYLE_OVERFLOW_CLIP)
|
|
// doesn't paint the caret for some reason.
|
|
const nsStyleDisplay* disp = GetStyleDisplay();
|
|
if (disp->mOverflowX != NS_STYLE_OVERFLOW_VISIBLE &&
|
|
disp->mOverflowX != NS_STYLE_OVERFLOW_CLIP) {
|
|
rv = divContent->SetAttr(kNameSpaceID_None, nsHTMLAtoms::style,
|
|
NS_LITERAL_STRING("overflow: inherit;"),
|
|
PR_FALSE);
|
|
}
|
|
}
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// rv = divContent->SetAttr(kNameSpaceID_None,nsXULAtoms::debug, NS_LITERAL_STRING("true"), PR_FALSE);
|
|
rv = aChildList.AppendElement(divContent);
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// Create an editor
|
|
|
|
mEditor = do_CreateInstance(kTextEditorCID, &rv);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
if (!mEditor)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
// Create selection
|
|
|
|
nsCOMPtr<nsIFrameSelection> frameSel = do_CreateInstance(kFrameSelectionCID, &rv);
|
|
|
|
// Create a SelectionController
|
|
|
|
mTextSelImpl = new nsTextInputSelectionImpl(frameSel,shell,divContent);
|
|
if (!mTextSelImpl)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
mTextListener = new nsTextInputListener();
|
|
if (!mTextListener)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
mTextListener->SetFrame(this);
|
|
mSelCon = do_QueryInterface((nsISupports *)(nsISelectionController *)mTextSelImpl);//this will addref it once
|
|
if (!mSelCon)
|
|
return NS_ERROR_NO_INTERFACE;
|
|
mSelCon->SetDisplaySelection(nsISelectionController::SELECTION_ON);
|
|
|
|
// Setup the editor flags
|
|
|
|
PRUint32 editorFlags = 0;
|
|
if (IsPlainTextControl())
|
|
editorFlags |= nsIPlaintextEditor::eEditorPlaintextMask;
|
|
if (IsSingleLineTextControl())
|
|
editorFlags |= nsIPlaintextEditor::eEditorSingleLineMask;
|
|
if (IsPasswordTextControl())
|
|
editorFlags |= nsIPlaintextEditor::eEditorPasswordMask;
|
|
|
|
// All gfxtextcontrolframe2's are widgets
|
|
editorFlags |= nsIPlaintextEditor::eEditorWidgetMask;
|
|
|
|
// Use async reflow and painting for text widgets to improve
|
|
// performance.
|
|
|
|
// XXX: Using editor async updates exposes bugs 158782, 151882,
|
|
// and 165130, so we're disabling it for now, until they
|
|
// can be addressed.
|
|
// editorFlags |= nsIPlaintextEditor::eEditorUseAsyncUpdatesMask;
|
|
|
|
// Now initialize the editor.
|
|
//
|
|
// NOTE: Conversion of '\n' to <BR> happens inside the
|
|
// editor's Init() call.
|
|
|
|
rv = mEditor->Init(domdoc, shell, divContent, mSelCon, editorFlags);
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// Initialize the controller for the editor
|
|
|
|
if (!SuppressEventHandlers(aPresContext))
|
|
{
|
|
nsCOMPtr<nsIControllers> controllers;
|
|
nsCOMPtr<nsIDOMNSHTMLInputElement> inputElement = do_QueryInterface(mContent);
|
|
if (inputElement)
|
|
rv = inputElement->GetControllers(getter_AddRefs(controllers));
|
|
else
|
|
{
|
|
nsCOMPtr<nsIDOMNSHTMLTextAreaElement> textAreaElement = do_QueryInterface(mContent);
|
|
|
|
if (!textAreaElement)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
rv = textAreaElement->GetControllers(getter_AddRefs(controllers));
|
|
}
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
if (controllers)
|
|
{
|
|
PRUint32 numControllers;
|
|
PRBool found = PR_FALSE;
|
|
rv = controllers->GetControllerCount(&numControllers);
|
|
for (PRUint32 i = 0; i < numControllers; i ++)
|
|
{
|
|
nsCOMPtr<nsIController> controller;
|
|
rv = controllers->GetControllerAt(i, getter_AddRefs(controller));
|
|
if (NS_SUCCEEDED(rv) && controller)
|
|
{
|
|
nsCOMPtr<nsIControllerContext> editController = do_QueryInterface(controller);
|
|
if (editController)
|
|
{
|
|
editController->SetCommandContext(mEditor);
|
|
found = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
if (!found)
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
|
|
// Initialize the plaintext editor
|
|
nsCOMPtr<nsIPlaintextEditor> textEditor(do_QueryInterface(mEditor));
|
|
if (textEditor) {
|
|
// Set up wrapping
|
|
if (IsTextArea()) {
|
|
// wrap=off means -1 for wrap width no matter what cols is
|
|
nsFormControlHelper::nsHTMLTextWrap wrapProp;
|
|
nsFormControlHelper::GetWrapPropertyEnum(mContent, wrapProp);
|
|
if (wrapProp == nsFormControlHelper::eHTMLTextWrap_Off) {
|
|
// do not wrap when wrap=off
|
|
textEditor->SetWrapWidth(-1);
|
|
} else {
|
|
// Set wrapping normally otherwise
|
|
textEditor->SetWrapWidth(GetCols());
|
|
}
|
|
} else {
|
|
// Never wrap non-textareas
|
|
textEditor->SetWrapWidth(-1);
|
|
}
|
|
|
|
|
|
// Set max text field length
|
|
PRInt32 maxLength;
|
|
rv = GetMaxLength(&maxLength);
|
|
if (NS_CONTENT_ATTR_NOT_THERE != rv)
|
|
{
|
|
textEditor->SetMaxTextLength(maxLength);
|
|
}
|
|
}
|
|
|
|
// Get the caret and make it a selection listener.
|
|
|
|
nsCOMPtr<nsISelection> domSelection;
|
|
if (NS_SUCCEEDED(mSelCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSelection))) && domSelection)
|
|
{
|
|
nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(domSelection));
|
|
nsCOMPtr<nsICaret> caret;
|
|
nsCOMPtr<nsISelectionListener> listener;
|
|
if (NS_SUCCEEDED(shell->GetCaret(getter_AddRefs(caret))) && caret)
|
|
{
|
|
listener = do_QueryInterface(caret);
|
|
if (listener)
|
|
{
|
|
selPriv->AddSelectionListener(listener);
|
|
}
|
|
}
|
|
|
|
selPriv->AddSelectionListener(NS_STATIC_CAST(nsISelectionListener *, mTextListener));
|
|
}
|
|
|
|
if (mContent)
|
|
{
|
|
rv = mEditor->GetFlags(&editorFlags);
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsAutoString resultValue;
|
|
|
|
// Check if the readonly attribute is set.
|
|
|
|
rv = mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::readonly, resultValue);
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
if (NS_CONTENT_ATTR_NOT_THERE != rv)
|
|
editorFlags |= nsIPlaintextEditor::eEditorReadonlyMask;
|
|
|
|
// Check if the disabled attribute is set.
|
|
|
|
rv = mContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::disabled, resultValue);
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
if (NS_CONTENT_ATTR_NOT_THERE != rv)
|
|
editorFlags |= nsIPlaintextEditor::eEditorDisabledMask;
|
|
|
|
// Disable the caret and selection if necessary.
|
|
|
|
if (editorFlags & nsIPlaintextEditor::eEditorReadonlyMask ||
|
|
editorFlags & nsIPlaintextEditor::eEditorDisabledMask)
|
|
{
|
|
if (mSelCon)
|
|
{
|
|
//do not turn caret enabled off at this time. the caret will behave
|
|
//dependant on the focused frame it is in. disabling it here has
|
|
//an adverse affect on the browser in caret display mode or the editor
|
|
//when a readonly/disabled text form is in the page. bug 141888
|
|
//mSelCon->SetCaretEnabled(PR_FALSE);
|
|
|
|
if (editorFlags & nsIPlaintextEditor::eEditorDisabledMask)
|
|
mSelCon->SetDisplaySelection(nsISelectionController::SELECTION_OFF);
|
|
}
|
|
|
|
mEditor->SetFlags(editorFlags);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
DO_GLOBAL_REFLOW_COUNT("nsTextControlFrame", aReflowState.reason);
|
|
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
|
|
|
|
// make sure the the form registers itself on the initial/first reflow
|
|
if (mState & NS_FRAME_FIRST_REFLOW) {
|
|
nsFormControlFrame::RegUnRegAccessKey(aPresContext, this, PR_TRUE);
|
|
}
|
|
|
|
nsresult rv = nsStackFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
|
|
if (NS_SUCCEEDED(rv))
|
|
{ // fix for bug 40596, width:auto means the control sets it's mMaxElementWidth to it's default width
|
|
if (aDesiredSize.mComputeMEW)
|
|
{
|
|
const nsStylePosition* stylePosition = GetStylePosition();
|
|
nsStyleUnit widthUnit = stylePosition->mWidth.GetUnit();
|
|
if (eStyleUnit_Auto == widthUnit) {
|
|
aDesiredSize.mMaxElementWidth = aDesiredSize.width;
|
|
}
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::Paint(nsPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer,
|
|
PRUint32 aFlags)
|
|
{
|
|
PRBool isVisible;
|
|
if (NS_SUCCEEDED(IsVisibleForPainting(aPresContext, aRenderingContext, PR_TRUE, &isVisible)) && !isVisible) {
|
|
return NS_OK;
|
|
}
|
|
nsresult rv = NS_OK;
|
|
if (aWhichLayer == NS_FRAME_PAINT_LAYER_FOREGROUND) {
|
|
rv = nsStackFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, NS_FRAME_PAINT_LAYER_BACKGROUND);
|
|
if (NS_FAILED(rv)) return rv;
|
|
rv = nsStackFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, NS_FRAME_PAINT_LAYER_FLOATS);
|
|
if (NS_FAILED(rv)) return rv;
|
|
rv = nsStackFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, NS_FRAME_PAINT_LAYER_FOREGROUND);
|
|
}
|
|
DO_GLOBAL_REFLOW_COUNT_DSP("nsTextControlFrame", &aRenderingContext);
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetFrameForPoint(const nsPoint& aPoint,
|
|
nsFramePaintLayer aWhichLayer,
|
|
nsIFrame** aFrame)
|
|
{
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
if (aWhichLayer == NS_FRAME_PAINT_LAYER_FOREGROUND) {
|
|
rv = nsStackFrame::GetFrameForPoint(aPoint,
|
|
NS_FRAME_PAINT_LAYER_FOREGROUND, aFrame);
|
|
if (NS_SUCCEEDED(rv))
|
|
return NS_OK;
|
|
rv = nsStackFrame::GetFrameForPoint(aPoint,
|
|
NS_FRAME_PAINT_LAYER_FLOATS, aFrame);
|
|
if (NS_SUCCEEDED(rv))
|
|
return NS_OK;
|
|
rv = nsStackFrame::GetFrameForPoint(aPoint,
|
|
NS_FRAME_PAINT_LAYER_BACKGROUND, aFrame);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetPrefSize(nsBoxLayoutState& aState, nsSize& aSize)
|
|
{
|
|
if (!DoesNeedRecalc(mPrefSize)) {
|
|
aSize = mPrefSize;
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef DEBUG_LAYOUT
|
|
PropagateDebug(aState);
|
|
#endif
|
|
|
|
aSize.width = 0;
|
|
aSize.height = 0;
|
|
|
|
PRBool collapsed = PR_FALSE;
|
|
IsCollapsed(aState, collapsed);
|
|
if (collapsed)
|
|
return NS_OK;
|
|
|
|
nsPresContext* presContext = aState.PresContext();
|
|
const nsHTMLReflowState* reflowState = aState.GetReflowState();
|
|
// XXXldb Is there a good reason to think this is both non-null and the
|
|
// correct reflow state?
|
|
if (!reflowState)
|
|
return NS_OK;
|
|
|
|
nsSize styleSize(CSS_NOTSET,CSS_NOTSET);
|
|
nsFormControlFrame::GetStyleSize(presContext, *reflowState, styleSize);
|
|
|
|
nsReflowStatus status;
|
|
nsresult rv = ReflowStandard(presContext, aSize, *reflowState, status);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
AddInset(aSize);
|
|
|
|
mPrefSize = aSize;
|
|
|
|
#ifdef DEBUG_rods
|
|
{
|
|
nsMargin borderPadding(0,0,0,0);
|
|
GetBorderAndPadding(borderPadding);
|
|
nsSize size(169, 24);
|
|
nsSize actual(aSize.width/15,
|
|
aSize.height/15);
|
|
printf("nsGfxText(field) %d,%d %d,%d %d,%d\n",
|
|
size.width, size.height, actual.width, actual.height, actual.width-size.width, actual.height-size.height); // text field
|
|
}
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetMinSize(nsBoxLayoutState& aState, nsSize& aSize)
|
|
{
|
|
#define FIX_FOR_BUG_40596
|
|
#ifdef FIX_FOR_BUG_40596
|
|
aSize = mMinSize;
|
|
return NS_OK;
|
|
#else
|
|
return nsBox::GetMinSize(aState, aSize);
|
|
#endif
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetMaxSize(nsBoxLayoutState& aState, nsSize& aSize)
|
|
{
|
|
return nsBox::GetMaxSize(aState, aSize);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetAscent(nsBoxLayoutState& aState, nscoord& aAscent)
|
|
{
|
|
// First calculate the ascent of the text inside
|
|
nsresult rv = nsStackFrame::GetAscent(aState, aAscent);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Now adjust the ascent for our borders and padding
|
|
aAscent += aState.GetReflowState()->mComputedBorderPadding.top;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
PRBool
|
|
nsTextControlFrame::IsLeaf() const
|
|
{
|
|
return PR_TRUE;
|
|
}
|
|
|
|
//IMPLEMENTING NS_IFORMCONTROLFRAME
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetName(nsAString* aResult)
|
|
{
|
|
return nsFormControlHelper::GetName(mContent, aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP_(PRInt32)
|
|
nsTextControlFrame::GetFormControlType() const
|
|
{
|
|
return nsFormControlHelper::GetType(mContent);
|
|
}
|
|
|
|
static PRBool
|
|
IsFocusedContent(nsPresContext* aPresContext, nsIContent* aContent)
|
|
{
|
|
nsCOMPtr<nsIContent> focusedContent;
|
|
aPresContext->EventStateManager()->
|
|
GetFocusedContent(getter_AddRefs(focusedContent));
|
|
return focusedContent == aContent;
|
|
}
|
|
|
|
void nsTextControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
|
|
{
|
|
if (!aOn || !mSelCon)
|
|
return;
|
|
|
|
// onfocus="some_where_else.focus()" can trigger several focus
|
|
// in succession. Here, we only care if we are the winner.
|
|
// @see also nsTextEditorFocusListener::Focus()
|
|
if (!IsFocusedContent(GetPresContext(), mContent))
|
|
return;
|
|
|
|
// tell the caret to use our selection
|
|
|
|
nsCOMPtr<nsISelection> ourSel;
|
|
mSelCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
|
|
getter_AddRefs(ourSel));
|
|
if (!ourSel) return;
|
|
|
|
nsIPresShell* presShell = GetPresContext()->GetPresShell();
|
|
nsCOMPtr<nsICaret> caret;
|
|
presShell->GetCaret(getter_AddRefs(caret));
|
|
if (!caret) return;
|
|
caret->SetCaretDOMSelection(ourSel);
|
|
|
|
// mutual-exclusion: the selection is either controlled by the
|
|
// document or by the text input/area. Clear any selection in the
|
|
// document since the focus is now on our independent selection.
|
|
|
|
nsCOMPtr<nsISelectionController> selCon(do_QueryInterface(presShell));
|
|
nsCOMPtr<nsISelection> docSel;
|
|
selCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
|
|
getter_AddRefs(docSel));
|
|
if (!docSel) return;
|
|
|
|
PRBool isCollapsed = PR_FALSE;
|
|
docSel->GetIsCollapsed(&isCollapsed);
|
|
if (!isCollapsed)
|
|
docSel->RemoveAllRanges();
|
|
}
|
|
|
|
void nsTextControlFrame::ScrollIntoView(nsPresContext* aPresContext)
|
|
{
|
|
if (aPresContext) {
|
|
nsIPresShell *presShell = aPresContext->GetPresShell();
|
|
if (presShell) {
|
|
presShell->ScrollFrameIntoView(this,
|
|
NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE,NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE);
|
|
}
|
|
}
|
|
}
|
|
|
|
nscoord
|
|
nsTextControlFrame::GetVerticalInsidePadding(nsPresContext* aPresContext,
|
|
float aPixToTwip,
|
|
nscoord aInnerHeight) const
|
|
{
|
|
return NSIntPixelsToTwips(0, aPixToTwip);
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------
|
|
nscoord
|
|
nsTextControlFrame::GetHorizontalInsidePadding(nsPresContext* aPresContext,
|
|
float aPixToTwip,
|
|
nscoord aInnerWidth,
|
|
nscoord aCharWidth) const
|
|
{
|
|
return GetVerticalInsidePadding(aPresContext, aPixToTwip, aInnerWidth);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::SetSuggestedSize(nscoord aWidth, nscoord aHeight)
|
|
{
|
|
mSuggestedWidth = aWidth;
|
|
mSuggestedHeight = aHeight;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetFormContent(nsIContent*& aContent) const
|
|
{
|
|
aContent = GetContent();
|
|
NS_IF_ADDREF(aContent);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextControlFrame::SetProperty(nsPresContext* aPresContext, nsIAtom* aName, const nsAString& aValue)
|
|
{
|
|
if (!mIsProcessing)//some kind of lock.
|
|
{
|
|
mIsProcessing = PR_TRUE;
|
|
|
|
if (nsHTMLAtoms::value == aName)
|
|
{
|
|
if (mEditor && mUseEditor) {
|
|
// If the editor exists, the control needs to be informed that the value
|
|
// has changed.
|
|
SetValueChanged(PR_TRUE);
|
|
}
|
|
nsresult rv = SetValue(aValue); // set new text value
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
else if (nsHTMLAtoms::select == aName && mSelCon)
|
|
{
|
|
// Select all the text.
|
|
//
|
|
// XXX: This is lame, we can't call mEditor->SelectAll()
|
|
// because that triggers AutoCopies in unix builds.
|
|
// Instead, we have to call our own homegrown version
|
|
// of select all which merely builds a range that selects
|
|
// all of the content and adds that to the selection.
|
|
|
|
SelectAllContents();
|
|
}
|
|
mIsProcessing = PR_FALSE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetProperty(nsIAtom* aName, nsAString& aValue)
|
|
{
|
|
// Return the value of the property from the widget it is not null.
|
|
// If widget is null, assume the widget is GFX-rendered and return a member variable instead.
|
|
|
|
if (nsHTMLAtoms::value == aName) {
|
|
GetValue(aValue, PR_FALSE);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetEditor(nsIEditor **aEditor)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aEditor);
|
|
*aEditor = mEditor;
|
|
NS_IF_ADDREF(*aEditor);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::OwnsValue(PRBool* aOwnsValue)
|
|
{
|
|
NS_PRECONDITION(aOwnsValue, "aOwnsValue must be non-null");
|
|
*aOwnsValue = mUseEditor;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetTextLength(PRInt32* aTextLength)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aTextLength);
|
|
|
|
nsAutoString textContents;
|
|
GetValue(textContents, PR_FALSE); // this is expensive!
|
|
*aTextLength = textContents.Length();
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::SetSelectionInternal(nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset)
|
|
{
|
|
// Create a new range to represent the new selection.
|
|
// Note that we use a new range to avoid having to do
|
|
// isIncreasing checks to avoid possible errors.
|
|
|
|
nsCOMPtr<nsIDOMRange> range = do_CreateInstance(kRangeCID);
|
|
NS_ENSURE_TRUE(range, NS_ERROR_FAILURE);
|
|
|
|
nsresult rv = range->SetStart(aStartNode, aStartOffset);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = range->SetEnd(aEndNode, aEndOffset);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Get the selection, clear it and add the new range to it!
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
mTextSelImpl->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(selection));
|
|
NS_ENSURE_TRUE(selection, NS_ERROR_FAILURE);
|
|
|
|
rv = selection->RemoveAllRanges();
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return selection->AddRange(range);
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::SelectAllContents()
|
|
{
|
|
if (!mEditor)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMElement> rootElement;
|
|
nsresult rv = mEditor->GetRootElement(getter_AddRefs(rootElement));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIContent> rootContent = do_QueryInterface(rootElement);
|
|
PRInt32 numChildren = rootContent->GetChildCount();
|
|
|
|
if (numChildren > 0) {
|
|
// We never want to place the selection after the last
|
|
// br under the root node!
|
|
nsIContent *child = rootContent->GetChildAt(numChildren - 1);
|
|
if (child) {
|
|
if (child->Tag() == nsHTMLAtoms::br)
|
|
--numChildren;
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNode> rootNode(do_QueryInterface(rootElement));
|
|
|
|
return SetSelectionInternal(rootNode, 0, rootNode, numChildren);
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::SetSelectionEndPoints(PRInt32 aSelStart, PRInt32 aSelEnd)
|
|
{
|
|
NS_ASSERTION(aSelStart <= aSelEnd, "Invalid selection offsets!");
|
|
|
|
if (aSelStart > aSelEnd)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNode> startNode, endNode;
|
|
PRInt32 startOffset, endOffset;
|
|
|
|
// Calculate the selection start point.
|
|
|
|
nsresult rv = OffsetToDOMPoint(aSelStart, getter_AddRefs(startNode), &startOffset);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (aSelStart == aSelEnd) {
|
|
// Collapsed selection, so start and end are the same!
|
|
endNode = startNode;
|
|
endOffset = startOffset;
|
|
}
|
|
else {
|
|
// Selection isn't collapsed so we have to calculate
|
|
// the end point too.
|
|
|
|
rv = OffsetToDOMPoint(aSelEnd, getter_AddRefs(endNode), &endOffset);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
return SetSelectionInternal(startNode, startOffset, endNode, endOffset);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::SetSelectionRange(PRInt32 aSelStart, PRInt32 aSelEnd)
|
|
{
|
|
NS_ENSURE_TRUE(mEditor, NS_ERROR_NOT_INITIALIZED);
|
|
|
|
if (aSelStart > aSelEnd) {
|
|
// Simulate what we'd see SetSelectionStart() was called, followed
|
|
// by a SetSelectionEnd().
|
|
|
|
aSelStart = aSelEnd;
|
|
}
|
|
|
|
return SetSelectionEndPoints(aSelStart, aSelEnd);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::SetSelectionStart(PRInt32 aSelectionStart)
|
|
{
|
|
NS_ENSURE_TRUE(mEditor, NS_ERROR_NOT_INITIALIZED);
|
|
|
|
PRInt32 selStart = 0, selEnd = 0;
|
|
|
|
nsresult rv = GetSelectionRange(&selStart, &selEnd);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (aSelectionStart > selEnd) {
|
|
// Collapse to the new start point.
|
|
selEnd = aSelectionStart;
|
|
}
|
|
|
|
selStart = aSelectionStart;
|
|
|
|
return SetSelectionEndPoints(selStart, selEnd);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::SetSelectionEnd(PRInt32 aSelectionEnd)
|
|
{
|
|
NS_ENSURE_TRUE(mEditor, NS_ERROR_NOT_INITIALIZED);
|
|
|
|
PRInt32 selStart = 0, selEnd = 0;
|
|
|
|
nsresult rv = GetSelectionRange(&selStart, &selEnd);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (aSelectionEnd < selStart) {
|
|
// Collapse to the new end point.
|
|
selStart = aSelectionEnd;
|
|
}
|
|
|
|
selEnd = aSelectionEnd;
|
|
|
|
return SetSelectionEndPoints(selStart, selEnd);
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::DOMPointToOffset(nsIDOMNode* aNode,
|
|
PRInt32 aNodeOffset,
|
|
PRInt32* aResult)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aNode && aResult);
|
|
|
|
*aResult = 0;
|
|
|
|
nsCOMPtr<nsIDOMElement> rootElement;
|
|
mEditor->GetRootElement(getter_AddRefs(rootElement));
|
|
nsCOMPtr<nsIDOMNode> rootNode(do_QueryInterface(rootElement));
|
|
|
|
NS_ENSURE_TRUE(rootNode, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIDOMNodeList> nodeList;
|
|
|
|
nsresult rv = rootNode->GetChildNodes(getter_AddRefs(nodeList));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(nodeList, NS_ERROR_FAILURE);
|
|
|
|
PRUint32 length = 0;
|
|
rv = nodeList->GetLength(&length);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (!length || aNodeOffset < 0)
|
|
return NS_OK;
|
|
|
|
PRInt32 i, textOffset = 0;
|
|
PRInt32 lastIndex = (PRInt32)length - 1;
|
|
|
|
for (i = 0; i < (PRInt32)length; i++) {
|
|
if (rootNode == aNode && i == aNodeOffset) {
|
|
*aResult = textOffset;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNode> item;
|
|
rv = nodeList->Item(i, getter_AddRefs(item));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(item, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIDOMText> domText(do_QueryInterface(item));
|
|
|
|
if (domText) {
|
|
PRUint32 textLength = 0;
|
|
|
|
rv = domText->GetLength(&textLength);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (item == aNode) {
|
|
NS_ASSERTION((aNodeOffset >= 0 && aNodeOffset <= (PRInt32)textLength),
|
|
"Invalid aNodeOffset!");
|
|
*aResult = textOffset + aNodeOffset;
|
|
return NS_OK;
|
|
}
|
|
|
|
textOffset += textLength;
|
|
}
|
|
else {
|
|
// Must be a BR node. If it's not the last BR node
|
|
// under the root, count it as a newline.
|
|
|
|
if (i != lastIndex)
|
|
++textOffset;
|
|
}
|
|
}
|
|
|
|
NS_ASSERTION((aNode == rootNode && aNodeOffset == (PRInt32)length),
|
|
"Invalide node offset!");
|
|
|
|
*aResult = textOffset;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::OffsetToDOMPoint(PRInt32 aOffset,
|
|
nsIDOMNode** aResult,
|
|
PRInt32* aPosition)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aResult && aPosition);
|
|
|
|
*aResult = nsnull;
|
|
*aPosition = 0;
|
|
|
|
nsCOMPtr<nsIDOMElement> rootElement;
|
|
mEditor->GetRootElement(getter_AddRefs(rootElement));
|
|
nsCOMPtr<nsIDOMNode> rootNode(do_QueryInterface(rootElement));
|
|
|
|
NS_ENSURE_TRUE(rootNode, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIDOMNodeList> nodeList;
|
|
|
|
nsresult rv = rootNode->GetChildNodes(getter_AddRefs(nodeList));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(nodeList, NS_ERROR_FAILURE);
|
|
|
|
PRUint32 length = 0;
|
|
|
|
rv = nodeList->GetLength(&length);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (!length || aOffset < 0) {
|
|
*aPosition = 0;
|
|
*aResult = rootNode;
|
|
NS_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
PRInt32 textOffset = 0;
|
|
PRUint32 lastIndex = length - 1;
|
|
|
|
for (PRUint32 i=0; i<length; i++) {
|
|
nsCOMPtr<nsIDOMNode> item;
|
|
rv = nodeList->Item(i, getter_AddRefs(item));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(item, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIDOMText> domText(do_QueryInterface(item));
|
|
|
|
if (domText) {
|
|
PRUint32 textLength = 0;
|
|
|
|
rv = domText->GetLength(&textLength);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Check if aOffset falls within this range.
|
|
if (aOffset >= textOffset && aOffset <= textOffset+(PRInt32)textLength) {
|
|
*aPosition = aOffset - textOffset;
|
|
*aResult = item;
|
|
NS_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
textOffset += textLength;
|
|
|
|
// If there aren't any more siblings after this text node,
|
|
// return the point at the end of this text node!
|
|
|
|
if (i == lastIndex) {
|
|
*aPosition = textLength;
|
|
*aResult = item;
|
|
NS_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
else {
|
|
// Must be a BR node, count it as a newline.
|
|
|
|
if (aOffset == textOffset || i == lastIndex) {
|
|
// We've found the correct position, or aOffset takes us
|
|
// beyond the last child under rootNode, just return the point
|
|
// under rootNode that is in front of this br.
|
|
|
|
*aPosition = i;
|
|
*aResult = rootNode;
|
|
NS_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
++textOffset;
|
|
}
|
|
}
|
|
|
|
NS_ASSERTION(0, "We should never get here!");
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetSelectionRange(PRInt32* aSelectionStart, PRInt32* aSelectionEnd)
|
|
{
|
|
// make sure we have an editor
|
|
NS_ENSURE_TRUE(mEditor, NS_ERROR_NOT_INITIALIZED);
|
|
|
|
*aSelectionStart = 0;
|
|
*aSelectionEnd = 0;
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
nsresult rv = mTextSelImpl->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(selection));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(selection, NS_ERROR_FAILURE);
|
|
|
|
PRInt32 numRanges = 0;
|
|
selection->GetRangeCount(&numRanges);
|
|
|
|
if (numRanges < 1)
|
|
return NS_OK;
|
|
|
|
// We only operate on the first range in the selection!
|
|
|
|
nsCOMPtr<nsIDOMRange> firstRange;
|
|
rv = selection->GetRangeAt(0, getter_AddRefs(firstRange));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(firstRange, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIDOMNode> startNode, endNode;
|
|
PRInt32 startOffset = 0, endOffset = 0;
|
|
|
|
// Get the start point of the range.
|
|
|
|
rv = firstRange->GetStartContainer(getter_AddRefs(startNode));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(startNode, NS_ERROR_FAILURE);
|
|
|
|
rv = firstRange->GetStartOffset(&startOffset);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Get the end point of the range.
|
|
|
|
rv = firstRange->GetEndContainer(getter_AddRefs(endNode));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(endNode, NS_ERROR_FAILURE);
|
|
|
|
rv = firstRange->GetEndOffset(&endOffset);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Convert the start point to a selection offset.
|
|
|
|
rv = DOMPointToOffset(startNode, startOffset, aSelectionStart);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Convert the end point to a selection offset.
|
|
|
|
return DOMPointToOffset(endNode, endOffset, aSelectionEnd);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetSelectionContr(nsISelectionController **aSelCon)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aSelCon);
|
|
NS_IF_ADDREF(*aSelCon = mSelCon);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/////END INTERFACE IMPLEMENTATIONS
|
|
|
|
////NSIFRAME
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::AttributeChanged(nsIContent* aChild,
|
|
PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aModType)
|
|
{
|
|
if (!mEditor || !mSelCon) {return NS_ERROR_NOT_INITIALIZED;}
|
|
nsresult rv = NS_OK;
|
|
|
|
if (nsHTMLAtoms::maxlength == aAttribute)
|
|
{
|
|
PRInt32 maxLength;
|
|
rv = GetMaxLength(&maxLength);
|
|
|
|
nsCOMPtr<nsIPlaintextEditor> textEditor = do_QueryInterface(mEditor);
|
|
if (textEditor)
|
|
{
|
|
if (NS_CONTENT_ATTR_NOT_THERE != rv)
|
|
{ // set the maxLength attribute
|
|
textEditor->SetMaxTextLength(maxLength);
|
|
// if maxLength>docLength, we need to truncate the doc content
|
|
}
|
|
else { // unset the maxLength attribute
|
|
textEditor->SetMaxTextLength(-1);
|
|
}
|
|
}
|
|
rv = NS_OK; // don't propagate the error
|
|
}
|
|
else if (mEditor && nsHTMLAtoms::readonly == aAttribute)
|
|
{
|
|
PRUint32 flags;
|
|
mEditor->GetFlags(&flags);
|
|
if (AttributeExists(nsHTMLAtoms::readonly))
|
|
{ // set readonly
|
|
flags |= nsIPlaintextEditor::eEditorReadonlyMask;
|
|
if (mSelCon && IsFocusedContent(GetPresContext(), mContent))
|
|
mSelCon->SetCaretEnabled(PR_FALSE);
|
|
}
|
|
else
|
|
{ // unset readonly
|
|
flags &= ~(nsIPlaintextEditor::eEditorReadonlyMask);
|
|
if (mSelCon && !(flags & nsIPlaintextEditor::eEditorDisabledMask) &&
|
|
IsFocusedContent(GetPresContext(), mContent))
|
|
mSelCon->SetCaretEnabled(PR_TRUE);
|
|
}
|
|
mEditor->SetFlags(flags);
|
|
}
|
|
else if (mEditor && nsHTMLAtoms::disabled == aAttribute)
|
|
{
|
|
// XXXbryner do we need to check for a null presshell here?
|
|
// we don't do anything with it.
|
|
nsIPresShell *shell = GetPresContext()->GetPresShell();
|
|
if (!shell)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRUint32 flags;
|
|
mEditor->GetFlags(&flags);
|
|
if (AttributeExists(nsHTMLAtoms::disabled))
|
|
{ // set disabled
|
|
flags |= nsIPlaintextEditor::eEditorDisabledMask;
|
|
if (mSelCon)
|
|
{
|
|
mSelCon->SetDisplaySelection(nsISelectionController::SELECTION_OFF);
|
|
if (IsFocusedContent(GetPresContext(), mContent))
|
|
mSelCon->SetCaretEnabled(PR_FALSE);
|
|
}
|
|
}
|
|
else
|
|
{ // unset disabled
|
|
flags &= ~(nsIPlaintextEditor::eEditorDisabledMask);
|
|
if (mSelCon)
|
|
{
|
|
mSelCon->SetDisplaySelection(nsISelectionController::SELECTION_HIDDEN);
|
|
}
|
|
}
|
|
mEditor->SetFlags(flags);
|
|
}
|
|
// Allow the base class to handle common attributes supported
|
|
// by all form elements...
|
|
else {
|
|
rv = nsBoxFrame::AttributeChanged(aChild, aNameSpaceID, aAttribute, aModType);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetText(nsString* aText)
|
|
{
|
|
nsresult rv = NS_CONTENT_ATTR_NOT_THERE;
|
|
if (IsSingleLineTextControl()) {
|
|
// If we're going to remove newlines anyway, ignore the wrap property
|
|
GetValue(*aText, PR_TRUE);
|
|
RemoveNewlines(*aText);
|
|
} else {
|
|
nsCOMPtr<nsIDOMHTMLTextAreaElement> textArea = do_QueryInterface(mContent);
|
|
if (textArea) {
|
|
if (mEditor) {
|
|
nsCOMPtr<nsIEditorIMESupport> imeSupport = do_QueryInterface(mEditor);
|
|
if (imeSupport)
|
|
imeSupport->ForceCompositionEnd();
|
|
}
|
|
rv = textArea->GetValue(*aText);
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetPhonetic(nsAString& aPhonetic)
|
|
{
|
|
aPhonetic.Truncate(0);
|
|
if (!mEditor)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
nsCOMPtr<nsIEditorIMESupport> imeSupport = do_QueryInterface(mEditor);
|
|
if (imeSupport) {
|
|
nsCOMPtr<nsIPhonetic> phonetic = do_QueryInterface(imeSupport);
|
|
if (phonetic)
|
|
phonetic->GetPhonetic(aPhonetic);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
///END NSIFRAME OVERLOADS
|
|
/////BEGIN PROTECTED METHODS
|
|
|
|
void nsTextControlFrame::RemoveNewlines(nsString &aString)
|
|
{
|
|
// strip CR/LF and null
|
|
static const char badChars[] = {10, 13, 0};
|
|
aString.StripChars(badChars);
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsTextControlFrame::GetMaxLength(PRInt32* aSize)
|
|
{
|
|
*aSize = -1;
|
|
|
|
nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent);
|
|
if (content) {
|
|
const nsAttrValue* attr = content->GetParsedAttr(nsHTMLAtoms::maxlength);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger) {
|
|
*aSize = attr->GetIntegerValue();
|
|
|
|
return NS_CONTENT_ATTR_HAS_VALUE;
|
|
}
|
|
}
|
|
return NS_CONTENT_ATTR_NOT_THERE;
|
|
}
|
|
|
|
// this is where we propagate a content changed event
|
|
void
|
|
nsTextControlFrame::FireOnInput()
|
|
{
|
|
NS_ASSERTION(mContent, "illegal to call unless we map to a content node");
|
|
|
|
if (!mNotifyOnInput) {
|
|
return; // if notification is turned off, do nothing
|
|
}
|
|
|
|
// Dispatch the "input" event
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
nsUIEvent event(PR_TRUE, NS_FORM_INPUT, 0);
|
|
|
|
// Have the content handle the event, propagating it according to normal
|
|
// DOM rules.
|
|
nsWeakPtr &shell = mTextSelImpl->GetPresShell();
|
|
nsCOMPtr<nsIPresShell> presShell = do_QueryReferent(shell);
|
|
NS_ASSERTION(presShell, "No pres shell");
|
|
if (!presShell) {
|
|
return;
|
|
}
|
|
|
|
presShell->HandleEventWithTarget(&event, nsnull, mContent,
|
|
NS_EVENT_FLAG_INIT, &status);
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::InitFocusedValue()
|
|
{
|
|
return GetText(&mFocusedValue);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::CheckFireOnChange()
|
|
{
|
|
nsString value;
|
|
GetText(&value);
|
|
if (!mFocusedValue.Equals(value))//different fire onchange
|
|
{
|
|
mFocusedValue = value;
|
|
FireOnChange();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::FireOnChange()
|
|
{
|
|
// Dispatch th1e change event
|
|
nsCOMPtr<nsIContent> content;
|
|
if (NS_SUCCEEDED(GetFormContent(*getter_AddRefs(content))))
|
|
{
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
nsInputEvent event(PR_TRUE, NS_FORM_CHANGE, nsnull);
|
|
|
|
// Have the content handle the event.
|
|
nsWeakPtr &shell = mTextSelImpl->GetPresShell();
|
|
nsCOMPtr<nsIPresShell> presShell = do_QueryReferent(shell);
|
|
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
|
|
return presShell->HandleEventWithTarget(&event, nsnull, mContent, NS_EVENT_FLAG_INIT, &status);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//======
|
|
//privates
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetValue(nsAString& aValue, PRBool aIgnoreWrap)
|
|
{
|
|
aValue.Truncate(); // initialize out param
|
|
nsresult rv = NS_OK;
|
|
|
|
if (mEditor && mUseEditor)
|
|
{
|
|
PRUint32 flags = nsIDocumentEncoder::OutputLFLineBreak;;
|
|
|
|
if (PR_TRUE==IsPlainTextControl())
|
|
{
|
|
flags |= nsIDocumentEncoder::OutputBodyOnly;
|
|
}
|
|
|
|
flags |= nsIDocumentEncoder::OutputPreformatted;
|
|
|
|
if (!aIgnoreWrap) {
|
|
nsFormControlHelper::nsHTMLTextWrap wrapProp;
|
|
rv = nsFormControlHelper::GetWrapPropertyEnum(mContent, wrapProp);
|
|
if (rv != NS_CONTENT_ATTR_NOT_THERE) {
|
|
if (wrapProp == nsFormControlHelper::eHTMLTextWrap_Hard)
|
|
{
|
|
flags |= nsIDocumentEncoder::OutputWrap;
|
|
}
|
|
}
|
|
}
|
|
|
|
// What follows is a bit of a hack. The problem is that we could be in
|
|
// this method because we're being destroyed for whatever reason while
|
|
// script is executing. If that happens, editor will run with the
|
|
// privileges of the executing script, which means it may not be able to
|
|
// access its own DOM nodes! Let's try to deal with that by pushing a null
|
|
// JSContext on the JSContext stack to make it clear that we're native
|
|
// code. Note that any script that's directly trying to access our value
|
|
// has to be going through some scriptable object to do that and that
|
|
// already does the relevant security checks.
|
|
// XXXbz if we could just get the textContent of our anonymous content (eg
|
|
// if plaintext editor didn't create <br> nodes all over), we wouldn't need
|
|
// this.
|
|
nsCOMPtr<nsIJSContextStack> stack =
|
|
do_GetService("@mozilla.org/js/xpc/ContextStack;1");
|
|
PRBool pushed = stack && NS_SUCCEEDED(stack->Push(nsnull));
|
|
|
|
rv = mEditor->OutputToString(NS_LITERAL_STRING("text/plain"), flags,
|
|
aValue);
|
|
|
|
if (pushed) {
|
|
JSContext* cx;
|
|
stack->Pop(&cx);
|
|
NS_ASSERTION(!cx, "Unexpected JSContext popped!");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Otherwise get the value from content.
|
|
nsCOMPtr<nsIDOMHTMLInputElement> inputControl = do_QueryInterface(mContent);
|
|
if (inputControl)
|
|
{
|
|
rv = inputControl->GetValue(aValue);
|
|
}
|
|
else
|
|
{
|
|
nsCOMPtr<nsIDOMHTMLTextAreaElement> textareaControl
|
|
= do_QueryInterface(mContent);
|
|
if (textareaControl)
|
|
{
|
|
rv = textareaControl->GetValue(aValue);
|
|
}
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
// END IMPLEMENTING NS_IFORMCONTROLFRAME
|
|
|
|
nsresult
|
|
nsTextControlFrame::SetValue(const nsAString& aValue)
|
|
{
|
|
// XXX this method should actually propagate errors! It'd make debugging it
|
|
// so much easier...
|
|
if (mEditor && mUseEditor)
|
|
{
|
|
nsCOMPtr<nsIEditor> editor = mEditor;
|
|
nsWeakFrame weakFrame(this);
|
|
nsAutoString currentValue;
|
|
GetValue(currentValue, PR_FALSE);
|
|
if (IsSingleLineTextControl())
|
|
{
|
|
RemoveNewlines(currentValue);
|
|
}
|
|
// this is necessary to avoid infinite recursion
|
|
if (!currentValue.Equals(aValue))
|
|
{
|
|
// \r is an illegal character in the dom, but people use them,
|
|
// so convert windows and mac platform linebreaks to \n:
|
|
// Unfortunately aValue is declared const, so we have to copy
|
|
// in order to do this substitution.
|
|
currentValue.Assign(aValue);
|
|
nsFormControlHelper::PlatformToDOMLineBreaks(currentValue);
|
|
|
|
nsCOMPtr<nsIDOMDocument>domDoc;
|
|
nsresult rv = editor->GetDocument(getter_AddRefs(domDoc));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_STATE(domDoc);
|
|
|
|
// Time to mess with our security context... See comments in GetValue()
|
|
// for why this is needed. Note that we have to do this up here, because
|
|
// otherwise SelectAll() will fail.
|
|
nsCOMPtr<nsIJSContextStack> stack =
|
|
do_GetService("@mozilla.org/js/xpc/ContextStack;1");
|
|
PRBool pushed = stack && NS_SUCCEEDED(stack->Push(nsnull));
|
|
|
|
nsCOMPtr<nsISelection> domSel;
|
|
nsCOMPtr<nsISelectionPrivate> selPriv;
|
|
mSelCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel));
|
|
if (domSel)
|
|
{
|
|
selPriv = do_QueryInterface(domSel);
|
|
if (selPriv)
|
|
selPriv->StartBatchChanges();
|
|
}
|
|
|
|
mSelCon->SelectAll();
|
|
nsCOMPtr<nsIPlaintextEditor> htmlEditor = do_QueryInterface(mEditor);
|
|
if (!htmlEditor) {
|
|
NS_WARNING("Somehow not a plaintext editor?");
|
|
if (pushed) {
|
|
JSContext* cx;
|
|
stack->Pop(&cx);
|
|
NS_ASSERTION(!cx, "Unexpected JSContext popped!");
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Since this code does not handle user-generated changes to the text,
|
|
// make sure we don't fire oninput when the editor notifies us.
|
|
// (mNotifyOnInput must be reset before we return).
|
|
|
|
// To protect against a reentrant call to SetValue, we check whether
|
|
// another SetValue is already happening for this frame. If it is,
|
|
// we must wait until we unwind to re-enable oninput events.
|
|
PRBool outerTransaction = mNotifyOnInput;
|
|
if (outerTransaction)
|
|
mNotifyOnInput = PR_FALSE;
|
|
|
|
// get the flags, remove readonly and disabled, set the value,
|
|
// restore flags
|
|
PRUint32 flags, savedFlags;
|
|
editor->GetFlags(&savedFlags);
|
|
flags = savedFlags;
|
|
flags &= ~(nsIPlaintextEditor::eEditorDisabledMask);
|
|
flags &= ~(nsIPlaintextEditor::eEditorReadonlyMask);
|
|
editor->SetFlags(flags);
|
|
if (currentValue.Length() < 1)
|
|
editor->DeleteSelection(nsIEditor::eNone);
|
|
else {
|
|
nsCOMPtr<nsIPlaintextEditor> textEditor = do_QueryInterface(editor);
|
|
if (textEditor)
|
|
textEditor->InsertText(currentValue);
|
|
}
|
|
editor->SetFlags(savedFlags);
|
|
if (selPriv)
|
|
selPriv->EndBatchChanges();
|
|
|
|
if (pushed) {
|
|
JSContext* cx;
|
|
stack->Pop(&cx);
|
|
NS_ASSERTION(!cx, "Unexpected JSContext popped!");
|
|
}
|
|
|
|
NS_ENSURE_STATE(weakFrame.IsAlive());
|
|
if (outerTransaction)
|
|
mNotifyOnInput = PR_TRUE;
|
|
|
|
if (mHasFocus) {
|
|
// Since this code doesn't handle user-generated changes, reset
|
|
// mFocusedValue so the onchange event doesn't fire incorrectly.
|
|
InitFocusedValue();
|
|
}
|
|
}
|
|
|
|
if (mScrollableView)
|
|
{
|
|
// Scroll the upper left corner of the text control's
|
|
// content area back into view.
|
|
|
|
mScrollableView->ScrollTo(0, 0, NS_VMREFRESH_NO_SYNC);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Otherwise set the value in content.
|
|
nsCOMPtr<nsITextControlElement> textControl = do_QueryInterface(mContent);
|
|
if (textControl)
|
|
{
|
|
textControl->TakeTextFrameValue(aValue);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::SetInitialChildList(nsPresContext* aPresContext,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aChildList)
|
|
{
|
|
nsresult rv = nsBoxFrame::SetInitialChildList(aPresContext, aListName, aChildList);
|
|
if (mEditor)
|
|
mEditor->PostCreate();
|
|
//look for scroll view below this frame go along first child list
|
|
nsIFrame* first = GetFirstChild(nsnull);
|
|
|
|
// Mark the scroll frame as being a reflow root. This will allow
|
|
// incremental reflows to be initiated at the scroll frame, rather
|
|
// than descending from the root frame of the frame hierarchy.
|
|
first->AddStateBits(NS_FRAME_REFLOW_ROOT);
|
|
|
|
nsIScrollableFrame *scrollableFrame = nsnull;
|
|
CallQueryInterface(first, &scrollableFrame);
|
|
NS_ASSERTION(scrollableFrame, "Child must be scrollable");
|
|
|
|
// we must turn off scrollbars for singleline text controls
|
|
// XXX FIXME this should be removed,
|
|
// nsGfxScrollFrameInner::CreateAnonymousContent handles this
|
|
if (IsSingleLineTextControl())
|
|
{
|
|
if (scrollableFrame)
|
|
scrollableFrame->SetScrollbarVisibility(PR_FALSE, PR_FALSE);
|
|
}
|
|
|
|
//register focus and key listeners
|
|
nsCOMPtr<nsIDOMEventReceiver> erP = do_QueryInterface(mContent);
|
|
if (erP) {
|
|
// register the event listeners with the DOM event receiver
|
|
rv = erP->AddEventListenerByIID(NS_STATIC_CAST(nsIDOMFocusListener *,mTextListener), NS_GET_IID(nsIDOMFocusListener));
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to register focus listener");
|
|
// XXXbryner do we need to check for a null presshell here?
|
|
if (!aPresContext->GetPresShell())
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMEventGroup> systemGroup;
|
|
erP->GetSystemEventGroup(getter_AddRefs(systemGroup));
|
|
nsCOMPtr<nsIDOM3EventTarget> dom3Targ = do_QueryInterface(mContent);
|
|
if (dom3Targ) {
|
|
// cast because of ambiguous base
|
|
nsIDOMEventListener *listener = NS_STATIC_CAST(nsIDOMKeyListener*,
|
|
mTextListener);
|
|
|
|
dom3Targ->AddGroupedEventListener(NS_LITERAL_STRING("keydown"),
|
|
listener, PR_FALSE, systemGroup);
|
|
dom3Targ->AddGroupedEventListener(NS_LITERAL_STRING("keypress"),
|
|
listener, PR_FALSE, systemGroup);
|
|
dom3Targ->AddGroupedEventListener(NS_LITERAL_STRING("keyup"),
|
|
listener, PR_FALSE, systemGroup);
|
|
}
|
|
|
|
if (scrollableFrame) {
|
|
mScrollableView = scrollableFrame->GetScrollableView();
|
|
mTextSelImpl->SetScrollableView(mScrollableView);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
PRInt32
|
|
nsTextControlFrame::GetWidthInCharacters() const
|
|
{
|
|
// see if there's a COL attribute, if so it wins
|
|
nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent);
|
|
if (content)
|
|
{
|
|
const nsAttrValue* attr = content->GetParsedAttr(nsHTMLAtoms::cols);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger) {
|
|
return attr->GetIntegerValue();
|
|
}
|
|
}
|
|
|
|
// otherwise, see if CSS has a width specified. If so, work backwards to get the
|
|
// number of characters this width represents.
|
|
|
|
|
|
// otherwise, the default is just returned.
|
|
return DEFAULT_COLUMN_WIDTH;
|
|
}
|
|
|
|
nsIScrollableView* nsTextControlFrame::GetScrollableView()
|
|
{
|
|
return mScrollableView;
|
|
}
|
|
|
|
PRBool
|
|
nsTextControlFrame::IsScrollable() const
|
|
{
|
|
return !IsSingleLineTextControl();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::OnContentReset()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsTextControlFrame::SetValueChanged(PRBool aValueChanged)
|
|
{
|
|
nsCOMPtr<nsITextControlElement> elem = do_QueryInterface(mContent);
|
|
if (elem) {
|
|
elem->SetValueChanged(aValueChanged);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::HandleEvent(nsPresContext* aPresContext,
|
|
nsGUIEvent* aEvent,
|
|
nsEventStatus* aEventStatus)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aEventStatus);
|
|
|
|
// temp fix until Bug 124990 gets fixed
|
|
if (aPresContext->IsPaginated() && NS_IS_MOUSE_EVENT(aEvent)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
return nsStackFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
|
|
|
|
}
|
|
|
|
/* static */ void
|
|
nsTextControlFrame::ShutDown()
|
|
{
|
|
NS_IF_RELEASE(sNativeTextAreaBindings);
|
|
NS_IF_RELEASE(sNativeInputBindings);
|
|
}
|