forked from mirrors/gecko-dev
2784 lines
81 KiB
C++
2784 lines
81 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Blake Ross <blakeross@telocity.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsCOMPtr.h"
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#include "nsTextControlFrame.h"
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#include "nsIDocument.h"
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#include "nsIDOMNSHTMLTextAreaElement.h"
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#include "nsIDOMNSHTMLInputElement.h"
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#include "nsIFormControl.h"
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#include "nsIServiceManager.h"
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#include "nsFrameSelection.h"
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#include "nsIPlaintextEditor.h"
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#include "nsEditorCID.h"
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#include "nsLayoutCID.h"
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#include "nsIDocumentEncoder.h"
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#include "nsCaret.h"
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#include "nsISelectionListener.h"
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#include "nsISelectionPrivate.h"
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#include "nsIController.h"
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#include "nsIControllers.h"
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#include "nsIControllerContext.h"
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#include "nsGenericHTMLElement.h"
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#include "nsIEditorIMESupport.h"
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#include "nsIPhonetic.h"
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#include "nsIEditorObserver.h"
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#include "nsIDOMHTMLTextAreaElement.h"
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#include "nsINameSpaceManager.h"
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#include "nsINodeInfo.h"
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#include "nsIScrollableView.h"
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#include "nsIScrollableFrame.h" //to turn off scroll bars
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#include "nsFormControlFrame.h" //for registering accesskeys
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#include "nsIDeviceContext.h" // to measure fonts
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#include "nsIContent.h"
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#include "nsIAtom.h"
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#include "nsPresContext.h"
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#include "nsGkAtoms.h"
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#include "nsLayoutUtils.h"
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#include "nsIComponentManager.h"
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#include "nsIView.h"
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#include "nsIViewManager.h"
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#include "nsIDOMHTMLInputElement.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMDocument.h"
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#include "nsIPresShell.h"
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#include "nsIComponentManager.h"
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#include "nsBoxLayoutState.h"
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//for keylistener for "return" check
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#include "nsIPrivateDOMEvent.h"
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#include "nsIDOMEventTarget.h"
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#include "nsIDocument.h" //observe documents to send onchangenotifications
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#include "nsIStyleSheet.h"//observe documents to send onchangenotifications
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#include "nsIStyleRule.h"//observe documents to send onchangenotifications
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#include "nsIDOMEventListener.h"//observe documents to send onchangenotifications
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#include "nsGUIEvent.h"
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#include "nsIDOMEventGroup.h"
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#include "nsIDOM3EventTarget.h"
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#include "nsIDOMNSEvent.h"
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#include "nsIDOMNSUIEvent.h"
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#include "nsIEventStateManager.h"
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#include "nsIDOMFocusListener.h" //onchange events
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#include "nsIDOMCharacterData.h" //for selection setting helper func
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#include "nsIDOMNodeList.h" //for selection setting helper func
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#include "nsIDOMRange.h" //for selection setting helper func
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#include "nsPIDOMWindow.h" //needed for notify selection changed to update the menus ect.
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#ifdef ACCESSIBILITY
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#include "nsIAccessibilityService.h"
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#endif
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#include "nsIServiceManager.h"
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#include "nsIDOMNode.h"
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#include "nsITextControlElement.h"
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#include "nsIEditorObserver.h"
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#include "nsITransactionManager.h"
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#include "nsIDOMText.h" //for multiline getselection
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#include "nsNodeInfoManager.h"
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#include "nsContentCreatorFunctions.h"
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#include "nsIDOMKeyListener.h"
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#include "nsIDOMEventGroup.h"
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#include "nsIDOM3EventTarget.h"
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#include "nsINativeKeyBindings.h"
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#include "nsIJSContextStack.h"
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#include "nsFocusManager.h"
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#define DEFAULT_COLUMN_WIDTH 20
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#include "nsContentCID.h"
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static NS_DEFINE_IID(kRangeCID, NS_RANGE_CID);
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static NS_DEFINE_CID(kTextEditorCID, NS_TEXTEDITOR_CID);
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static NS_DEFINE_CID(kFrameSelectionCID, NS_FRAMESELECTION_CID);
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static const PRInt32 DEFAULT_COLS = 20;
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static const PRInt32 DEFAULT_ROWS = 1;
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static const PRInt32 DEFAULT_ROWS_TEXTAREA = 2;
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static const PRInt32 DEFAULT_UNDO_CAP = 1000;
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static nsINativeKeyBindings *sNativeInputBindings = nsnull;
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static nsINativeKeyBindings *sNativeTextAreaBindings = nsnull;
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static void
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PlatformToDOMLineBreaks(nsString &aString)
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{
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// Windows linebreaks: Map CRLF to LF:
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aString.ReplaceSubstring(NS_LITERAL_STRING("\r\n").get(),
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NS_LITERAL_STRING("\n").get());
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// Mac linebreaks: Map any remaining CR to LF:
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aString.ReplaceSubstring(NS_LITERAL_STRING("\r").get(),
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NS_LITERAL_STRING("\n").get());
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}
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// wrap can be one of these three values.
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typedef enum {
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eHTMLTextWrap_Off = 1, // "off"
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eHTMLTextWrap_Hard = 2, // "hard"
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eHTMLTextWrap_Soft = 3 // the default
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} nsHTMLTextWrap;
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static PRBool
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GetWrapPropertyEnum(nsIContent* aContent, nsHTMLTextWrap& aWrapProp)
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{
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// soft is the default; "physical" defaults to soft as well because all other
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// browsers treat it that way and there is no real reason to maintain physical
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// and virtual as separate entities if no one else does. Only hard and off
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// do anything different.
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aWrapProp = eHTMLTextWrap_Soft; // the default
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nsAutoString wrap;
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if (aContent->IsHTML()) {
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static nsIContent::AttrValuesArray strings[] =
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{&nsGkAtoms::HARD, &nsGkAtoms::OFF, nsnull};
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switch (aContent->FindAttrValueIn(kNameSpaceID_None, nsGkAtoms::wrap,
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strings, eIgnoreCase)) {
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case 0: aWrapProp = eHTMLTextWrap_Hard; break;
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case 1: aWrapProp = eHTMLTextWrap_Off; break;
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}
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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class nsTextInputListener : public nsISelectionListener,
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public nsIDOMKeyListener,
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public nsIEditorObserver,
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public nsSupportsWeakReference
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{
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public:
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/** the default constructor
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*/
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nsTextInputListener();
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/** the default destructor. virtual due to the possibility of derivation.
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*/
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virtual ~nsTextInputListener();
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/** SetEditor gives an address to the editor that will be accessed
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* @param aEditor the editor this listener calls for editing operations
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*/
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void SetFrame(nsTextControlFrame *aFrame){mFrame = aFrame;}
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NS_DECL_ISUPPORTS
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NS_DECL_NSISELECTIONLISTENER
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
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// nsIDOMKeyListener
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NS_IMETHOD KeyDown(nsIDOMEvent *aKeyEvent);
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NS_IMETHOD KeyPress(nsIDOMEvent *aKeyEvent);
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NS_IMETHOD KeyUp(nsIDOMEvent *aKeyEvent);
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NS_DECL_NSIEDITOROBSERVER
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protected:
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nsresult UpdateTextInputCommands(const nsAString& commandsToUpdate);
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NS_HIDDEN_(nsINativeKeyBindings*) GetKeyBindings();
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protected:
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nsTextControlFrame* mFrame; // weak reference
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PRPackedBool mSelectionWasCollapsed;
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/**
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* Whether we had undo items or not the last time we got EditAction()
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* notification (when this state changes we update undo and redo menus)
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*/
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PRPackedBool mHadUndoItems;
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/**
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* Whether we had redo items or not the last time we got EditAction()
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* notification (when this state changes we update undo and redo menus)
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*/
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PRPackedBool mHadRedoItems;
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};
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/*
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* nsTextEditorListener implementation
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*/
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nsTextInputListener::nsTextInputListener()
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: mFrame(nsnull)
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, mSelectionWasCollapsed(PR_TRUE)
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, mHadUndoItems(PR_FALSE)
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, mHadRedoItems(PR_FALSE)
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{
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}
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nsTextInputListener::~nsTextInputListener()
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{
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}
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NS_IMPL_ADDREF(nsTextInputListener)
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NS_IMPL_RELEASE(nsTextInputListener)
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NS_INTERFACE_MAP_BEGIN(nsTextInputListener)
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NS_INTERFACE_MAP_ENTRY(nsISelectionListener)
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NS_INTERFACE_MAP_ENTRY(nsIEditorObserver)
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NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
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NS_INTERFACE_MAP_ENTRY(nsIDOMKeyListener)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMEventListener, nsIDOMKeyListener)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMKeyListener)
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NS_INTERFACE_MAP_END
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// BEGIN nsIDOMSelectionListener
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static PRBool
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IsFocusedContent(nsIContent* aContent)
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{
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nsIFocusManager* fm = nsFocusManager::GetFocusManager();
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if (!fm)
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return PR_FALSE;
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nsCOMPtr<nsIDOMElement> focusedElement;
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fm->GetFocusedElement(getter_AddRefs(focusedElement));
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nsCOMPtr<nsIContent> focusedContent = do_QueryInterface(focusedElement);
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return (focusedContent == aContent);
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}
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NS_IMETHODIMP
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nsTextInputListener::NotifySelectionChanged(nsIDOMDocument* aDoc, nsISelection* aSel, PRInt16 aReason)
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{
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PRBool collapsed;
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if (!mFrame || !aDoc || !aSel || NS_FAILED(aSel->GetIsCollapsed(&collapsed)))
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return NS_OK;
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// Fire the select event
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// The specs don't exactly say when we should fire the select event.
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// IE: Whenever you add/remove a character to/from the selection. Also
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// each time for select all. Also if you get to the end of the text
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// field you will get new event for each keypress or a continuous
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// stream of events if you use the mouse. IE will fire select event
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// when the selection collapses to nothing if you are holding down
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// the shift or mouse button.
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// Mozilla: If we have non-empty selection we will fire a new event for each
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// keypress (or mouseup) if the selection changed. Mozilla will also
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// create the event each time select all is called, even if everything
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// was previously selected, becase technically select all will first collapse
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// and then extend. Mozilla will never create an event if the selection
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// collapses to nothing.
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if (!collapsed && (aReason & (nsISelectionListener::MOUSEUP_REASON |
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nsISelectionListener::KEYPRESS_REASON |
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nsISelectionListener::SELECTALL_REASON)))
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{
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nsIContent* content = mFrame->GetContent();
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if (content)
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{
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nsCOMPtr<nsIDocument> doc = content->GetDocument();
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if (doc)
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{
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nsCOMPtr<nsIPresShell> presShell = doc->GetPrimaryShell();
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if (presShell)
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{
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nsEventStatus status = nsEventStatus_eIgnore;
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nsEvent event(PR_TRUE, NS_FORM_SELECTED);
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presShell->HandleEventWithTarget(&event, mFrame, content, &status);
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}
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}
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}
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}
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// if the collapsed state did not change, don't fire notifications
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if (collapsed == mSelectionWasCollapsed)
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return NS_OK;
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mSelectionWasCollapsed = collapsed;
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if (!mFrame || !IsFocusedContent(mFrame->GetContent()))
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return NS_OK;
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return UpdateTextInputCommands(NS_LITERAL_STRING("select"));
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}
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// END nsIDOMSelectionListener
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// BEGIN nsIDOMKeyListener
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NS_IMETHODIMP
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nsTextInputListener::HandleEvent(nsIDOMEvent* aEvent)
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{
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return NS_OK;
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}
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static void
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DoCommandCallback(const char *aCommand, void *aData)
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{
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nsTextControlFrame *frame = static_cast<nsTextControlFrame*>(aData);
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nsIContent *content = frame->GetContent();
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nsCOMPtr<nsIControllers> controllers;
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nsCOMPtr<nsIDOMNSHTMLInputElement> input = do_QueryInterface(content);
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if (input) {
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input->GetControllers(getter_AddRefs(controllers));
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} else {
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nsCOMPtr<nsIDOMNSHTMLTextAreaElement> textArea =
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do_QueryInterface(content);
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if (textArea) {
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textArea->GetControllers(getter_AddRefs(controllers));
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}
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}
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if (!controllers) {
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NS_WARNING("Could not get controllers");
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return;
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}
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nsCOMPtr<nsIController> controller;
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controllers->GetControllerForCommand(aCommand, getter_AddRefs(controller));
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if (controller) {
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controller->DoCommand(aCommand);
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}
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}
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NS_IMETHODIMP
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nsTextInputListener::KeyDown(nsIDOMEvent *aDOMEvent)
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{
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nsCOMPtr<nsIDOMKeyEvent> keyEvent(do_QueryInterface(aDOMEvent));
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NS_ENSURE_TRUE(keyEvent, NS_ERROR_INVALID_ARG);
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nsNativeKeyEvent nativeEvent;
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nsINativeKeyBindings *bindings = GetKeyBindings();
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if (bindings &&
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nsContentUtils::DOMEventToNativeKeyEvent(keyEvent, &nativeEvent, PR_FALSE)) {
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if (bindings->KeyDown(nativeEvent, DoCommandCallback, mFrame)) {
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aDOMEvent->PreventDefault();
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsTextInputListener::KeyPress(nsIDOMEvent *aDOMEvent)
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{
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nsCOMPtr<nsIDOMKeyEvent> keyEvent(do_QueryInterface(aDOMEvent));
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NS_ENSURE_TRUE(keyEvent, NS_ERROR_INVALID_ARG);
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nsNativeKeyEvent nativeEvent;
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nsINativeKeyBindings *bindings = GetKeyBindings();
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if (bindings &&
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nsContentUtils::DOMEventToNativeKeyEvent(keyEvent, &nativeEvent, PR_TRUE)) {
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if (bindings->KeyPress(nativeEvent, DoCommandCallback, mFrame)) {
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aDOMEvent->PreventDefault();
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsTextInputListener::KeyUp(nsIDOMEvent *aDOMEvent)
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{
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nsCOMPtr<nsIDOMKeyEvent> keyEvent(do_QueryInterface(aDOMEvent));
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NS_ENSURE_TRUE(keyEvent, NS_ERROR_INVALID_ARG);
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nsNativeKeyEvent nativeEvent;
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nsINativeKeyBindings *bindings = GetKeyBindings();
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if (bindings &&
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nsContentUtils::DOMEventToNativeKeyEvent(keyEvent, &nativeEvent, PR_FALSE)) {
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if (bindings->KeyUp(nativeEvent, DoCommandCallback, mFrame)) {
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aDOMEvent->PreventDefault();
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}
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}
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return NS_OK;
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}
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// END nsIDOMKeyListener
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// BEGIN nsIEditorObserver
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NS_IMETHODIMP
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nsTextInputListener::EditAction()
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{
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//
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// Update the undo / redo menus
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//
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nsCOMPtr<nsIEditor> editor;
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mFrame->GetEditor(getter_AddRefs(editor));
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nsCOMPtr<nsITransactionManager> manager;
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editor->GetTransactionManager(getter_AddRefs(manager));
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NS_ENSURE_TRUE(manager, NS_ERROR_FAILURE);
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// Get the number of undo / redo items
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PRInt32 numUndoItems = 0;
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PRInt32 numRedoItems = 0;
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manager->GetNumberOfUndoItems(&numUndoItems);
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manager->GetNumberOfRedoItems(&numRedoItems);
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if ((numUndoItems && !mHadUndoItems) || (!numUndoItems && mHadUndoItems) ||
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(numRedoItems && !mHadRedoItems) || (!numRedoItems && mHadRedoItems)) {
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// Modify the menu if undo or redo items are different
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UpdateTextInputCommands(NS_LITERAL_STRING("undo"));
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mHadUndoItems = numUndoItems != 0;
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mHadRedoItems = numRedoItems != 0;
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}
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// Make sure we know we were changed (do NOT set this to false if there are
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// no undo items; JS could change the value and we'd still need to save it)
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mFrame->SetValueChanged(PR_TRUE);
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// Fire input event
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mFrame->FireOnInput();
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return NS_OK;
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}
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// END nsIEditorObserver
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nsresult
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nsTextInputListener::UpdateTextInputCommands(const nsAString& commandsToUpdate)
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{
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NS_ENSURE_STATE(mFrame);
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nsIContent* content = mFrame->GetContent();
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NS_ENSURE_TRUE(content, NS_ERROR_FAILURE);
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nsCOMPtr<nsIDocument> doc = content->GetDocument();
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NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
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nsPIDOMWindow *domWindow = doc->GetWindow();
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NS_ENSURE_TRUE(domWindow, NS_ERROR_FAILURE);
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return domWindow->UpdateCommands(commandsToUpdate);
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}
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nsINativeKeyBindings*
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nsTextInputListener::GetKeyBindings()
|
|
{
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if (mFrame->IsTextArea()) {
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static PRBool sNoTextAreaBindings = PR_FALSE;
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|
|
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
|
|
|
|
class nsTextInputSelectionImpl : public nsSupportsWeakReference
|
|
, public nsISelectionController
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
|
|
nsTextInputSelectionImpl(nsFrameSelection *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 GetCaretVisible(PRBool *_retval);
|
|
NS_IMETHOD SetCaretVisibilityDuringSelection(PRBool aVisibility);
|
|
NS_IMETHOD CharacterMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD CharacterExtendForDelete();
|
|
NS_IMETHOD WordMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD WordExtendForDelete(PRBool aForward);
|
|
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);
|
|
|
|
private:
|
|
nsCOMPtr<nsFrameSelection> mFrameSelection;
|
|
nsCOMPtr<nsIContent> mLimiter;
|
|
nsWeakPtr mPresShellWeak;
|
|
};
|
|
|
|
// Implement our nsISupports methods
|
|
NS_IMPL_ISUPPORTS3(nsTextInputSelectionImpl,
|
|
nsISelectionController,
|
|
nsISelectionDisplay,
|
|
nsISupportsWeakReference)
|
|
|
|
|
|
// BEGIN nsTextInputSelectionImpl
|
|
|
|
nsTextInputSelectionImpl::nsTextInputSelectionImpl(nsFrameSelection *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);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::SetDisplaySelection(PRInt16 aToggle)
|
|
{
|
|
if (!mFrameSelection)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
mFrameSelection->SetDisplaySelection(aToggle);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetDisplaySelection(PRInt16 *aToggle)
|
|
{
|
|
if (!mFrameSelection)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
*aToggle = mFrameSelection->GetDisplaySelection();
|
|
return NS_OK;
|
|
}
|
|
|
|
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 NS_ERROR_NULL_POINTER;
|
|
|
|
*_retval = mFrameSelection->GetSelection(type);
|
|
|
|
if (!(*_retval))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
NS_ADDREF(*_retval);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::ScrollSelectionIntoView(PRInt16 aType, PRInt16 aRegion, PRBool aIsSynchronous)
|
|
{
|
|
if (mFrameSelection) {
|
|
// After ScrollSelectionIntoView(), the pending notifications might be
|
|
// flushed and PresShell/PresContext/Frames may be dead. See bug 418470.
|
|
nsresult rv = mFrameSelection->ScrollSelectionIntoView(aType, aRegion, aIsSynchronous);
|
|
|
|
nsIScrollableView* scrollableView = mFrameSelection->GetScrollableView();
|
|
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(NS_MAX(viewRect.width - portRect.width, 0), -viewRect.y, 0);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::RepaintSelection(PRInt16 type)
|
|
{
|
|
if (!mFrameSelection)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return mFrameSelection->RepaintSelection(type);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::RepaintSelection(nsPresContext* aPresContext, SelectionType aSelectionType)
|
|
{
|
|
if (!mFrameSelection)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return mFrameSelection->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)
|
|
{
|
|
nsRefPtr<nsCaret> caret;
|
|
if (NS_SUCCEEDED(shell->GetCaret(getter_AddRefs(caret))))
|
|
{
|
|
nsISelection* domSel = mFrameSelection->
|
|
GetSelection(nsISelectionController::SELECTION_NORMAL);
|
|
if (domSel)
|
|
caret->SetCaretReadOnly(aReadOnly);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetCaretEnabled(PRBool *_retval)
|
|
{
|
|
return GetCaretVisible(_retval);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::GetCaretVisible(PRBool *_retval)
|
|
{
|
|
if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
|
|
nsresult result;
|
|
nsCOMPtr<nsIPresShell> shell = do_QueryReferent(mPresShellWeak, &result);
|
|
if (shell)
|
|
{
|
|
nsRefPtr<nsCaret> caret;
|
|
if (NS_SUCCEEDED(shell->GetCaret(getter_AddRefs(caret))))
|
|
{
|
|
nsISelection* domSel = mFrameSelection->
|
|
GetSelection(nsISelectionController::SELECTION_NORMAL);
|
|
if (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)
|
|
{
|
|
nsRefPtr<nsCaret> caret;
|
|
if (NS_SUCCEEDED(shell->GetCaret(getter_AddRefs(caret))))
|
|
{
|
|
nsISelection* domSel = mFrameSelection->
|
|
GetSelection(nsISelectionController::SELECTION_NORMAL);
|
|
if (domSel)
|
|
caret->SetVisibilityDuringSelection(aVisibility);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
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::CharacterExtendForDelete()
|
|
{
|
|
if (mFrameSelection)
|
|
return mFrameSelection->CharacterExtendForDelete();
|
|
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::WordExtendForDelete(PRBool aForward)
|
|
{
|
|
if (mFrameSelection)
|
|
return mFrameSelection->WordExtendForDelete(aForward);
|
|
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 = mFrameSelection->GetScrollableView();
|
|
if (scrollableView)
|
|
mFrameSelection->CommonPageMove(aForward, aExtend, scrollableView);
|
|
}
|
|
// After ScrollSelectionIntoView(), the pending notifications might be
|
|
// flushed and PresShell/PresContext/Frames may be dead. See bug 418470.
|
|
return ScrollSelectionIntoView(nsISelectionController::SELECTION_NORMAL, nsISelectionController::SELECTION_FOCUS_REGION, PR_TRUE);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::CompleteScroll(PRBool aForward)
|
|
{
|
|
nsIScrollableView *scrollableView = mFrameSelection->GetScrollableView();
|
|
|
|
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
|
|
nsIContent* parentDIV = mFrameSelection->GetLimiter();
|
|
if (!parentDIV)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
// make the caret be either at the very beginning (0) or the very end
|
|
PRInt32 offset = 0;
|
|
nsFrameSelection::HINT hint = nsFrameSelection::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() == nsGkAtoms::br)
|
|
{
|
|
--offset;
|
|
hint = nsFrameSelection::HINTRIGHT; // for Bug 106855
|
|
}
|
|
}
|
|
}
|
|
|
|
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 = mFrameSelection->GetScrollableView();
|
|
if (!scrollableView)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
return scrollableView->ScrollByPages(0, aForward ? 1 : -1);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextInputSelectionImpl::ScrollLine(PRBool aForward)
|
|
{
|
|
nsIScrollableView *scrollableView = mFrameSelection->GetScrollableView();
|
|
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 = mFrameSelection->GetScrollableView();
|
|
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;
|
|
|
|
}
|
|
|
|
nsIFrame*
|
|
NS_NewTextControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
|
|
{
|
|
return new (aPresShell) nsTextControlFrame(aPresShell, aContext);
|
|
}
|
|
|
|
NS_IMPL_FRAMEARENA_HELPERS(nsTextControlFrame)
|
|
|
|
NS_QUERYFRAME_HEAD(nsTextControlFrame)
|
|
NS_QUERYFRAME_ENTRY(nsIFormControlFrame)
|
|
NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator)
|
|
NS_QUERYFRAME_ENTRY(nsITextControlFrame)
|
|
NS_QUERYFRAME_ENTRY_CONDITIONAL(nsIScrollableViewProvider, IsScrollable())
|
|
NS_QUERYFRAME_TAIL_INHERITING(nsBoxFrame)
|
|
|
|
#ifdef ACCESSIBILITY
|
|
NS_IMETHODIMP nsTextControlFrame::GetAccessible(nsIAccessible** aAccessible)
|
|
{
|
|
nsCOMPtr<nsIAccessibilityService> accService = do_GetService("@mozilla.org/accessibilityService;1");
|
|
|
|
if (accService) {
|
|
return accService->CreateHTMLTextFieldAccessible(static_cast<nsIFrame*>(this), aAccessible);
|
|
}
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
#endif
|
|
|
|
nsTextControlFrame::nsTextControlFrame(nsIPresShell* aShell, nsStyleContext* aContext)
|
|
: nsStackFrame(aShell, aContext)
|
|
, mUseEditor(PR_FALSE)
|
|
, mIsProcessing(PR_FALSE)
|
|
, mNotifyOnInput(PR_TRUE)
|
|
, mDidPreDestroy(PR_FALSE)
|
|
, mFireChangeEventState(PR_FALSE)
|
|
, mInSecureKeyboardInputMode(PR_FALSE)
|
|
, mTextListener(nsnull)
|
|
{
|
|
}
|
|
|
|
nsTextControlFrame::~nsTextControlFrame()
|
|
{
|
|
NS_IF_RELEASE(mTextListener);
|
|
}
|
|
|
|
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!
|
|
|
|
// In the current implementation, we only paginate when
|
|
// printing or in print preview.
|
|
|
|
suppressHandlers = aPresContext->IsPaginated();
|
|
}
|
|
|
|
return suppressHandlers;
|
|
}
|
|
|
|
void
|
|
nsTextControlFrame::PreDestroy()
|
|
{
|
|
// 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(PR_TRUE);
|
|
}
|
|
|
|
// Clean up the controller
|
|
|
|
if (!SuppressEventHandlers(PresContext()))
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
mEditor = nsnull;
|
|
mSelCon = nsnull;
|
|
if (mFrameSel) {
|
|
mFrameSel->SetScrollableViewProvider(nsnull);
|
|
mFrameSel->DisconnectFromPresShell();
|
|
mFrameSel = nsnull;
|
|
}
|
|
|
|
nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), PR_FALSE);
|
|
if (mTextListener)
|
|
{
|
|
mTextListener->SetFrame(nsnull);
|
|
|
|
nsCOMPtr<nsIDOMEventGroup> systemGroup;
|
|
mContent->GetSystemEventGroup(getter_AddRefs(systemGroup));
|
|
nsCOMPtr<nsIDOM3EventTarget> dom3Targ = do_QueryInterface(mContent);
|
|
if (dom3Targ) {
|
|
// cast because of ambiguous base
|
|
nsIDOMEventListener *listener = 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;
|
|
}
|
|
|
|
void
|
|
nsTextControlFrame::DestroyFrom(nsIFrame* aDestructRoot)
|
|
{
|
|
if (mInSecureKeyboardInputMode) {
|
|
MaybeEndSecureKeyboardInput();
|
|
}
|
|
if (!mDidPreDestroy) {
|
|
PreDestroy();
|
|
}
|
|
if (mFrameSel) {
|
|
mFrameSel->SetScrollableViewProvider(nsnull);
|
|
}
|
|
nsContentUtils::DestroyAnonymousContent(&mAnonymousDiv);
|
|
nsBoxFrame::DestroyFrom(aDestructRoot);
|
|
}
|
|
|
|
nsIAtom*
|
|
nsTextControlFrame::GetType() const
|
|
{
|
|
return nsGkAtoms::textInputFrame;
|
|
}
|
|
|
|
// XXX: wouldn't it be nice to get this from the style context!
|
|
PRBool nsTextControlFrame::IsSingleLineTextControl() const
|
|
{
|
|
nsCOMPtr<nsIFormControl> formControl = do_QueryInterface(mContent);
|
|
if (formControl) {
|
|
PRInt32 type = formControl->GetType();
|
|
return (type == NS_FORM_INPUT_TEXT) || (type == NS_FORM_INPUT_PASSWORD);
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRBool nsTextControlFrame::IsTextArea() const
|
|
{
|
|
return mContent && mContent->Tag() == nsGkAtoms::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;
|
|
}
|
|
|
|
nsresult nsTextControlFrame::MaybeBeginSecureKeyboardInput()
|
|
{
|
|
nsresult rv = NS_OK;
|
|
if (IsPasswordTextControl() && !mInSecureKeyboardInputMode) {
|
|
nsIWidget* window = GetWindow();
|
|
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
|
|
rv = window->BeginSecureKeyboardInput();
|
|
mInSecureKeyboardInputMode = NS_SUCCEEDED(rv);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
void nsTextControlFrame::MaybeEndSecureKeyboardInput()
|
|
{
|
|
if (mInSecureKeyboardInputMode) {
|
|
nsIWidget* window = GetWindow();
|
|
if (!window)
|
|
return;
|
|
window->EndSecureKeyboardInput();
|
|
mInSecureKeyboardInputMode = PR_FALSE;
|
|
}
|
|
}
|
|
|
|
PRBool nsTextControlFrame::IsPasswordTextControl() const
|
|
{
|
|
nsCOMPtr<nsIFormControl> formControl = do_QueryInterface(mContent);
|
|
return formControl && formControl->GetType() == 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(nsGkAtoms::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(nsGkAtoms::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(nsGkAtoms::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::CalcIntrinsicSize(nsIRenderingContext* aRenderingContext,
|
|
nsSize& aIntrinsicSize)
|
|
{
|
|
// Get leading and the Average/MaxAdvance char width
|
|
nscoord lineHeight = 0;
|
|
nscoord charWidth = 0;
|
|
nscoord charMaxAdvance = 0;
|
|
|
|
nsCOMPtr<nsIFontMetrics> fontMet;
|
|
nsresult rv =
|
|
nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fontMet));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
aRenderingContext->SetFont(fontMet);
|
|
|
|
lineHeight =
|
|
nsHTMLReflowState::CalcLineHeight(GetStyleContext(), NS_AUTOHEIGHT);
|
|
fontMet->GetAveCharWidth(charWidth);
|
|
fontMet->GetMaxAdvance(charMaxAdvance);
|
|
|
|
// Set the width equal to the width in characters
|
|
PRInt32 cols = GetCols();
|
|
aIntrinsicSize.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) {
|
|
nscoord internalPadding = NS_MAX(0, charMaxAdvance -
|
|
nsPresContext::CSSPixelsToAppUnits(4));
|
|
nscoord t = nsPresContext::CSSPixelsToAppUnits(1);
|
|
// Round to a multiple of t
|
|
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)
|
|
aIntrinsicSize.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 (PresContext()->CompatibilityMode() == eCompatibility_FullStandards) {
|
|
aIntrinsicSize.width += 1;
|
|
}
|
|
|
|
// Also add in the padding of our anonymous div child. Note that it hasn't
|
|
// been reflowed yet, so we can't get its used padding, but it shouldn't be
|
|
// using percentage padding anyway.
|
|
nsMargin childPadding;
|
|
if (GetFirstChild(nsnull)->GetStylePadding()->GetPadding(childPadding)) {
|
|
aIntrinsicSize.width += childPadding.LeftRight();
|
|
} else {
|
|
NS_ERROR("Percentage padding on anonymous div?");
|
|
}
|
|
}
|
|
|
|
// Increment width with cols * letter-spacing.
|
|
{
|
|
const nsStyleCoord& lsCoord = GetStyleText()->mLetterSpacing;
|
|
if (eStyleUnit_Coord == lsCoord.GetUnit()) {
|
|
nscoord letterSpacing = lsCoord.GetCoordValue();
|
|
if (letterSpacing != 0) {
|
|
aIntrinsicSize.width += cols * letterSpacing;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set the height equal to total number of rows (times the height of each
|
|
// line, of course)
|
|
aIntrinsicSize.height = lineHeight * GetRows();
|
|
|
|
// Add in the size of the scrollbars for textarea
|
|
if (IsTextArea()) {
|
|
nsIFrame* first = GetFirstChild(nsnull);
|
|
|
|
nsIScrollableFrame *scrollableFrame = do_QueryFrame(first);
|
|
NS_ASSERTION(scrollableFrame, "Child must be scrollable");
|
|
|
|
nsMargin scrollbarSizes =
|
|
scrollableFrame->GetDesiredScrollbarSizes(PresContext(), aRenderingContext);
|
|
|
|
aIntrinsicSize.width += scrollbarSizes.LeftRight();
|
|
|
|
aIntrinsicSize.height += scrollbarSizes.TopBottom();;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsTextControlFrame::DelayedEditorInit()
|
|
{
|
|
nsIDocument* doc = mContent->GetCurrentDoc();
|
|
if (!doc) {
|
|
return;
|
|
}
|
|
|
|
nsWeakFrame weakFrame(this);
|
|
|
|
// Flush out content on our document. Have to do this, because script
|
|
// blockers don't prevent the sink flushing out content and notifying in the
|
|
// process, which can destroy frames.
|
|
doc->FlushPendingNotifications(Flush_ContentAndNotify);
|
|
if (!weakFrame.IsAlive()) {
|
|
return;
|
|
}
|
|
|
|
// Make sure that editor init doesn't do things that would kill us off
|
|
// (especially off the script blockers it'll create for its DOM mutations).
|
|
nsAutoScriptBlocker scriptBlocker;
|
|
|
|
// Time to mess with our security context... See comments in GetValue()
|
|
// for why this is needed.
|
|
nsCxPusher pusher;
|
|
pusher.PushNull();
|
|
|
|
InitEditor();
|
|
if (IsFocusedContent(GetContent()))
|
|
SetFocus(PR_TRUE, PR_FALSE);
|
|
}
|
|
|
|
PRInt32
|
|
nsTextControlFrame::GetWrapCols()
|
|
{
|
|
if (IsTextArea()) {
|
|
// wrap=off means -1 for wrap width no matter what cols is
|
|
nsHTMLTextWrap wrapProp;
|
|
::GetWrapPropertyEnum(mContent, wrapProp);
|
|
if (wrapProp == eHTMLTextWrap_Off) {
|
|
// do not wrap when wrap=off
|
|
return -1;
|
|
}
|
|
|
|
// Otherwise we just wrap at the given number of columns
|
|
return GetCols();
|
|
}
|
|
|
|
// Never wrap non-textareas
|
|
return -1;
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::InitEditor()
|
|
{
|
|
// This method initializes our editor, if needed.
|
|
|
|
// 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. So we call this from a script runner
|
|
// now.
|
|
|
|
// Check if this method has been called already.
|
|
// If so, just return early.
|
|
|
|
if (mUseEditor)
|
|
return NS_OK;
|
|
|
|
// Create an editor
|
|
|
|
nsresult rv;
|
|
mEditor = do_CreateInstance(kTextEditorCID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Setup the editor flags
|
|
|
|
PRUint32 editorFlags = 0;
|
|
if (IsPlainTextControl())
|
|
editorFlags |= nsIPlaintextEditor::eEditorPlaintextMask;
|
|
if (IsSingleLineTextControl())
|
|
editorFlags |= nsIPlaintextEditor::eEditorSingleLineMask;
|
|
if (IsPasswordTextControl())
|
|
editorFlags |= nsIPlaintextEditor::eEditorPasswordMask;
|
|
|
|
// All nsTextControlFrames 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.
|
|
|
|
nsPresContext *presContext = PresContext();
|
|
nsIPresShell *shell = presContext->GetPresShell();
|
|
|
|
// Get the DOM document
|
|
nsCOMPtr<nsIDOMDocument> domdoc = do_QueryInterface(shell->GetDocument());
|
|
if (!domdoc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
rv = mEditor->Init(domdoc, shell, mAnonymousDiv, mSelCon, editorFlags);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Initialize the controller for the editor
|
|
|
|
if (!SuppressEventHandlers(presContext)) {
|
|
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
|
|
textEditor->SetWrapColumn(GetWrapCols());
|
|
|
|
// Set max text field length
|
|
PRInt32 maxLength;
|
|
if (GetMaxLength(&maxLength)) {
|
|
textEditor->SetMaxTextLength(maxLength);
|
|
}
|
|
}
|
|
|
|
if (mContent) {
|
|
rv = mEditor->GetFlags(&editorFlags);
|
|
|
|
if (NS_FAILED(rv))
|
|
return nsnull;
|
|
|
|
// Check if the readonly attribute is set.
|
|
|
|
if (mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::readonly))
|
|
editorFlags |= nsIPlaintextEditor::eEditorReadonlyMask;
|
|
|
|
// Check if the disabled attribute is set.
|
|
|
|
if (mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::disabled))
|
|
editorFlags |= nsIPlaintextEditor::eEditorDisabledMask;
|
|
|
|
// Disable the selection if necessary.
|
|
|
|
if (editorFlags & nsIPlaintextEditor::eEditorDisabledMask)
|
|
mSelCon->SetDisplaySelection(nsISelectionController::SELECTION_OFF);
|
|
|
|
mEditor->SetFlags(editorFlags);
|
|
}
|
|
|
|
// 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()) {
|
|
// 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);
|
|
}
|
|
|
|
mEditor->PostCreate();
|
|
|
|
if (mTextListener)
|
|
mEditor->AddEditorObserver(mTextListener);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::CreateAnonymousContent(nsTArray<nsIContent*>& aElements)
|
|
{
|
|
mState |= NS_FRAME_INDEPENDENT_SELECTION;
|
|
|
|
nsIPresShell* shell = PresContext()->GetPresShell();
|
|
if (!shell)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsIDocument *doc = shell->GetDocument();
|
|
if (!doc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Now create a DIV and add it to the anonymous content child list.
|
|
nsCOMPtr<nsINodeInfo> nodeInfo;
|
|
nodeInfo = doc->NodeInfoManager()->GetNodeInfo(nsGkAtoms::div, nsnull,
|
|
kNameSpaceID_XHTML);
|
|
NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
nsresult rv = NS_NewHTMLElement(getter_AddRefs(mAnonymousDiv), nodeInfo, PR_FALSE);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Set the necessary classes on the text control. We use class values
|
|
// instead of a 'style' attribute so that the style comes from a user-agent
|
|
// style sheet and is still applied even if author styles are disabled.
|
|
nsAutoString classValue;
|
|
classValue.AppendLiteral("anonymous-div");
|
|
PRInt32 wrapCols = GetWrapCols();
|
|
if (wrapCols >= 0) {
|
|
classValue.AppendLiteral(" wrap");
|
|
}
|
|
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) {
|
|
classValue.AppendLiteral(" inherit-overflow");
|
|
}
|
|
}
|
|
rv = mAnonymousDiv->SetAttr(kNameSpaceID_None, nsGkAtoms::_class,
|
|
classValue, PR_FALSE);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (!aElements.AppendElement(mAnonymousDiv))
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
// Create selection
|
|
|
|
mFrameSel = do_CreateInstance(kFrameSelectionCID, &rv);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
mFrameSel->SetScrollableViewProvider(this);
|
|
|
|
// Create a SelectionController
|
|
|
|
mSelCon = static_cast<nsISelectionController*>
|
|
(new nsTextInputSelectionImpl(mFrameSel, shell,
|
|
mAnonymousDiv));
|
|
if (!mSelCon)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
mTextListener = new nsTextInputListener();
|
|
if (!mTextListener)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(mTextListener);
|
|
|
|
mTextListener->SetFrame(this);
|
|
mSelCon->SetDisplaySelection(nsISelectionController::SELECTION_ON);
|
|
|
|
// Get the caret and make it a selection listener.
|
|
|
|
nsRefPtr<nsISelection> domSelection;
|
|
if (NS_SUCCEEDED(mSelCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
|
|
getter_AddRefs(domSelection))) &&
|
|
domSelection) {
|
|
nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(domSelection));
|
|
nsRefPtr<nsCaret> caret;
|
|
nsCOMPtr<nsISelectionListener> listener;
|
|
if (NS_SUCCEEDED(shell->GetCaret(getter_AddRefs(caret))) && caret) {
|
|
listener = do_QueryInterface(caret);
|
|
if (listener) {
|
|
selPriv->AddSelectionListener(listener);
|
|
}
|
|
}
|
|
|
|
selPriv->AddSelectionListener(static_cast<nsISelectionListener*>
|
|
(mTextListener));
|
|
}
|
|
|
|
NS_ASSERTION(!nsContentUtils::IsSafeToRunScript(),
|
|
"Someone forgot a script blocker?");
|
|
|
|
if (!nsContentUtils::AddScriptRunner(new EditorInitializer(this))) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nscoord
|
|
nsTextControlFrame::GetMinWidth(nsIRenderingContext* aRenderingContext)
|
|
{
|
|
// Our min width is just our preferred width if we have auto width.
|
|
nscoord result;
|
|
DISPLAY_MIN_WIDTH(this, result);
|
|
|
|
result = GetPrefWidth(aRenderingContext);
|
|
|
|
return result;
|
|
}
|
|
|
|
nsSize
|
|
nsTextControlFrame::ComputeAutoSize(nsIRenderingContext *aRenderingContext,
|
|
nsSize aCBSize, nscoord aAvailableWidth,
|
|
nsSize aMargin, nsSize aBorder,
|
|
nsSize aPadding, PRBool aShrinkWrap)
|
|
{
|
|
nsSize autoSize;
|
|
nsresult rv = CalcIntrinsicSize(aRenderingContext, autoSize);
|
|
if (NS_FAILED(rv)) {
|
|
// What now?
|
|
autoSize.SizeTo(0, 0);
|
|
}
|
|
#ifdef DEBUG
|
|
// Note: Ancestor ComputeAutoSize only computes a width if we're auto-width
|
|
else if (GetStylePosition()->mWidth.GetUnit() == eStyleUnit_Auto) {
|
|
nsSize ancestorAutoSize =
|
|
nsStackFrame::ComputeAutoSize(aRenderingContext,
|
|
aCBSize, aAvailableWidth,
|
|
aMargin, aBorder,
|
|
aPadding, aShrinkWrap);
|
|
NS_ASSERTION(ancestorAutoSize.width == autoSize.width,
|
|
"Incorrect size computed by ComputeAutoSize?");
|
|
}
|
|
#endif
|
|
|
|
return autoSize;
|
|
}
|
|
|
|
|
|
// We inherit our GetPrefWidth from nsBoxFrame
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
DO_GLOBAL_REFLOW_COUNT("nsTextControlFrame");
|
|
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(this, PR_TRUE);
|
|
}
|
|
|
|
return nsStackFrame::Reflow(aPresContext, aDesiredSize, aReflowState,
|
|
aStatus);
|
|
}
|
|
|
|
nsSize
|
|
nsTextControlFrame::GetPrefSize(nsBoxLayoutState& aState)
|
|
{
|
|
if (!DoesNeedRecalc(mPrefSize))
|
|
return mPrefSize;
|
|
|
|
#ifdef DEBUG_LAYOUT
|
|
PropagateDebug(aState);
|
|
#endif
|
|
|
|
nsSize pref(0,0);
|
|
|
|
nsresult rv = CalcIntrinsicSize(aState.GetRenderingContext(), pref);
|
|
NS_ENSURE_SUCCESS(rv, pref);
|
|
AddBorderAndPadding(pref);
|
|
|
|
mPrefSize = pref;
|
|
|
|
#ifdef DEBUG_rods
|
|
{
|
|
nsMargin borderPadding(0,0,0,0);
|
|
GetBorderAndPadding(borderPadding);
|
|
nsSize size(169, 24);
|
|
nsSize actual(pref.width/15,
|
|
pref.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 pref;
|
|
}
|
|
|
|
nsSize
|
|
nsTextControlFrame::GetMinSize(nsBoxLayoutState& aState)
|
|
{
|
|
// XXXbz why? Why not the nsBoxFrame sizes?
|
|
return nsBox::GetMinSize(aState);
|
|
}
|
|
|
|
nsSize
|
|
nsTextControlFrame::GetMaxSize(nsBoxLayoutState& aState)
|
|
{
|
|
// XXXbz why? Why not the nsBoxFrame sizes?
|
|
return nsBox::GetMaxSize(aState);
|
|
}
|
|
|
|
nscoord
|
|
nsTextControlFrame::GetBoxAscent(nsBoxLayoutState& aState)
|
|
{
|
|
// Return the baseline of the first (nominal) row, with centering for
|
|
// single-line controls.
|
|
|
|
// First calculate the ascent wrt the client rect
|
|
nsRect clientRect;
|
|
GetClientRect(clientRect);
|
|
nscoord lineHeight =
|
|
IsSingleLineTextControl() ? clientRect.height :
|
|
nsHTMLReflowState::CalcLineHeight(GetStyleContext(), NS_AUTOHEIGHT);
|
|
|
|
nsCOMPtr<nsIFontMetrics> fontMet;
|
|
nsresult rv =
|
|
nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fontMet));
|
|
NS_ENSURE_SUCCESS(rv, 0);
|
|
|
|
nscoord ascent = nsLayoutUtils::GetCenteredFontBaseline(fontMet, lineHeight);
|
|
|
|
// Now adjust for our borders and padding
|
|
ascent += clientRect.y;
|
|
|
|
return ascent;
|
|
}
|
|
|
|
PRBool
|
|
nsTextControlFrame::IsCollapsed(nsBoxLayoutState& aBoxLayoutState)
|
|
{
|
|
// We're never collapsed in the box sense.
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRBool
|
|
nsTextControlFrame::IsLeaf() const
|
|
{
|
|
return PR_TRUE;
|
|
}
|
|
|
|
//IMPLEMENTING NS_IFORMCONTROLFRAME
|
|
void nsTextControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
|
|
{
|
|
if (!aOn) {
|
|
MaybeEndSecureKeyboardInput();
|
|
return;
|
|
}
|
|
|
|
if (!mSelCon)
|
|
return;
|
|
|
|
if (NS_SUCCEEDED(InitFocusedValue()))
|
|
MaybeBeginSecureKeyboardInput();
|
|
|
|
// tell the caret to use our selection
|
|
|
|
nsCOMPtr<nsISelection> ourSel;
|
|
mSelCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
|
|
getter_AddRefs(ourSel));
|
|
if (!ourSel) return;
|
|
|
|
nsIPresShell* presShell = PresContext()->GetPresShell();
|
|
nsRefPtr<nsCaret> 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();
|
|
}
|
|
|
|
nsresult nsTextControlFrame::SetFormProperty(nsIAtom* aName, const nsAString& aValue)
|
|
{
|
|
if (!mIsProcessing)//some kind of lock.
|
|
{
|
|
mIsProcessing = PR_TRUE;
|
|
PRBool isUserInput = (nsGkAtoms::userInput == aName);
|
|
if (nsGkAtoms::value == aName || isUserInput)
|
|
{
|
|
PRBool fireChangeEvent = GetFireChangeEventState();
|
|
if (isUserInput) {
|
|
SetFireChangeEventState(PR_TRUE);
|
|
}
|
|
SetValueChanged(PR_TRUE);
|
|
nsresult rv = SetValue(aValue); // set new text value
|
|
if (isUserInput) {
|
|
SetFireChangeEventState(fireChangeEvent);
|
|
}
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
else if (nsGkAtoms::select == aName)
|
|
{
|
|
// 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;
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::GetFormProperty(nsIAtom* aName, nsAString& aValue) const
|
|
{
|
|
// 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 (nsGkAtoms::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;
|
|
mSelCon->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() == nsGkAtoms::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),
|
|
"Invalid 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_ERROR("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 = mSelCon->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);
|
|
}
|
|
|
|
/////END INTERFACE IMPLEMENTATIONS
|
|
|
|
////NSIFRAME
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::AttributeChanged(PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aModType)
|
|
{
|
|
if (!mEditor || !mSelCon)
|
|
return nsBoxFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType);;
|
|
|
|
nsresult rv = NS_OK;
|
|
|
|
if (nsGkAtoms::maxlength == aAttribute)
|
|
{
|
|
PRInt32 maxLength;
|
|
PRBool maxDefined = GetMaxLength(&maxLength);
|
|
|
|
nsCOMPtr<nsIPlaintextEditor> textEditor = do_QueryInterface(mEditor);
|
|
if (textEditor)
|
|
{
|
|
if (maxDefined)
|
|
{ // 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 (nsGkAtoms::readonly == aAttribute)
|
|
{
|
|
PRUint32 flags;
|
|
mEditor->GetFlags(&flags);
|
|
if (AttributeExists(nsGkAtoms::readonly))
|
|
{ // set readonly
|
|
flags |= nsIPlaintextEditor::eEditorReadonlyMask;
|
|
if (IsFocusedContent(mContent))
|
|
mSelCon->SetCaretEnabled(PR_FALSE);
|
|
}
|
|
else
|
|
{ // unset readonly
|
|
flags &= ~(nsIPlaintextEditor::eEditorReadonlyMask);
|
|
if (!(flags & nsIPlaintextEditor::eEditorDisabledMask) &&
|
|
IsFocusedContent(mContent))
|
|
mSelCon->SetCaretEnabled(PR_TRUE);
|
|
}
|
|
mEditor->SetFlags(flags);
|
|
}
|
|
else if (nsGkAtoms::disabled == aAttribute)
|
|
{
|
|
PRUint32 flags;
|
|
mEditor->GetFlags(&flags);
|
|
if (AttributeExists(nsGkAtoms::disabled))
|
|
{ // set disabled
|
|
flags |= nsIPlaintextEditor::eEditorDisabledMask;
|
|
mSelCon->SetDisplaySelection(nsISelectionController::SELECTION_OFF);
|
|
if (IsFocusedContent(mContent))
|
|
mSelCon->SetCaretEnabled(PR_FALSE);
|
|
}
|
|
else
|
|
{ // unset disabled
|
|
flags &= ~(nsIPlaintextEditor::eEditorDisabledMask);
|
|
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(aNameSpaceID, aAttribute, aModType);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetText(nsString* aText)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
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) {
|
|
rv = textArea->GetValue(*aText);
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
|
|
nsresult
|
|
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);
|
|
}
|
|
|
|
|
|
PRBool
|
|
nsTextControlFrame::GetMaxLength(PRInt32* aSize)
|
|
{
|
|
*aSize = -1;
|
|
|
|
nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent);
|
|
if (content) {
|
|
const nsAttrValue* attr = content->GetParsedAttr(nsGkAtoms::maxlength);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger) {
|
|
*aSize = attr->GetIntegerValue();
|
|
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
// this is where we propagate a content changed event
|
|
void
|
|
nsTextControlFrame::FireOnInput()
|
|
{
|
|
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.
|
|
nsCOMPtr<nsIPresShell> shell = PresContext()->PresShell();
|
|
shell->HandleEventWithTarget(&event, nsnull, mContent, &status);
|
|
}
|
|
|
|
nsresult
|
|
nsTextControlFrame::InitFocusedValue()
|
|
{
|
|
return GetText(&mFocusedValue);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::CheckFireOnChange()
|
|
{
|
|
nsString value;
|
|
GetText(&value);
|
|
if (!mFocusedValue.Equals(value))
|
|
{
|
|
mFocusedValue = value;
|
|
// Dispatch the change event
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
nsInputEvent event(PR_TRUE, NS_FORM_CHANGE, nsnull);
|
|
nsCOMPtr<nsIPresShell> shell = PresContext()->PresShell();
|
|
shell->HandleEventWithTarget(&event, nsnull, mContent, &status);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//======
|
|
//privates
|
|
|
|
NS_IMETHODIMP
|
|
nsTextControlFrame::GetValue(nsAString& aValue, PRBool aIgnoreWrap) const
|
|
{
|
|
aValue.Truncate(); // initialize out param
|
|
nsresult rv = NS_OK;
|
|
|
|
if (mEditor && mUseEditor)
|
|
{
|
|
PRUint32 flags = (nsIDocumentEncoder::OutputLFLineBreak |
|
|
nsIDocumentEncoder::OutputPreformatted |
|
|
nsIDocumentEncoder::OutputPersistNBSP);
|
|
|
|
if (PR_TRUE==IsPlainTextControl())
|
|
{
|
|
flags |= nsIDocumentEncoder::OutputBodyOnly;
|
|
}
|
|
|
|
if (!aIgnoreWrap) {
|
|
nsHTMLTextWrap wrapProp;
|
|
if (::GetWrapPropertyEnum(mContent, wrapProp) &&
|
|
wrapProp == 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.
|
|
{ /* Scope for context pusher */
|
|
nsCxPusher pusher;
|
|
pusher.PushNull();
|
|
|
|
rv = mEditor->OutputToString(NS_LITERAL_STRING("text/plain"), flags,
|
|
aValue);
|
|
}
|
|
}
|
|
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)
|
|
{
|
|
// This method isn't used for user-generated changes, except for calls
|
|
// from nsFileControlFrame which sets mFireChangeEventState==true and
|
|
// restores it afterwards (ie. we want 'change' events for those changes).
|
|
// Focused value must be updated to prevent incorrect 'change' events,
|
|
// but only if user hasn't changed the value.
|
|
nsString val;
|
|
GetText(&val);
|
|
PRBool focusValueInit = !mFireChangeEventState &&
|
|
mFocusedValue.Equals(val);
|
|
|
|
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);
|
|
::PlatformToDOMLineBreaks(currentValue);
|
|
|
|
nsCOMPtr<nsIDOMDocument>domDoc;
|
|
nsresult rv = editor->GetDocument(getter_AddRefs(domDoc));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_STATE(domDoc);
|
|
|
|
PRBool outerTransaction;
|
|
// 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.
|
|
{ /* Scope for context pusher */
|
|
nsCxPusher pusher;
|
|
pusher.PushNull();
|
|
|
|
nsCOMPtr<nsISelection> domSel;
|
|
nsCOMPtr<nsISelectionPrivate> selPriv;
|
|
mSelCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
|
|
getter_AddRefs(domSel));
|
|
if (domSel)
|
|
{
|
|
selPriv = do_QueryInterface(domSel);
|
|
if (selPriv)
|
|
selPriv->StartBatchChanges();
|
|
}
|
|
|
|
nsCOMPtr<nsISelectionController> kungFuDeathGrip = mSelCon;
|
|
mSelCon->SelectAll();
|
|
nsCOMPtr<nsIPlaintextEditor> plaintextEditor = do_QueryInterface(editor);
|
|
if (!plaintextEditor || !weakFrame.IsAlive()) {
|
|
NS_WARNING("Somehow not a plaintext editor?");
|
|
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.
|
|
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);
|
|
flags |= nsIPlaintextEditor::eEditorUseAsyncUpdatesMask;
|
|
flags |= nsIPlaintextEditor::eEditorDontEchoPassword;
|
|
editor->SetFlags(flags);
|
|
|
|
// Also don't enforce max-length here
|
|
PRInt32 savedMaxLength;
|
|
plaintextEditor->GetMaxTextLength(&savedMaxLength);
|
|
plaintextEditor->SetMaxTextLength(-1);
|
|
|
|
if (currentValue.Length() < 1)
|
|
editor->DeleteSelection(nsIEditor::eNone);
|
|
else {
|
|
if (plaintextEditor)
|
|
plaintextEditor->InsertText(currentValue);
|
|
}
|
|
|
|
plaintextEditor->SetMaxTextLength(savedMaxLength);
|
|
editor->SetFlags(savedFlags);
|
|
if (selPriv)
|
|
selPriv->EndBatchChanges();
|
|
}
|
|
|
|
NS_ENSURE_STATE(weakFrame.IsAlive());
|
|
if (outerTransaction)
|
|
mNotifyOnInput = PR_TRUE;
|
|
|
|
if (focusValueInit) {
|
|
// Reset mFocusedValue so the onchange event doesn't fire incorrectly.
|
|
InitFocusedValue();
|
|
}
|
|
}
|
|
|
|
NS_ENSURE_STATE(weakFrame.IsAlive());
|
|
nsIScrollableView* scrollableView = GetScrollableView();
|
|
if (scrollableView)
|
|
{
|
|
// Scroll the upper left corner of the text control's
|
|
// content area back into view.
|
|
|
|
scrollableView->ScrollTo(0, 0, 0);
|
|
}
|
|
}
|
|
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(nsIAtom* aListName,
|
|
nsFrameList& aChildList)
|
|
{
|
|
nsresult rv = nsBoxFrame::SetInitialChildList(aListName, aChildList);
|
|
|
|
//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);
|
|
|
|
//register key listeners
|
|
nsCOMPtr<nsIDOMEventGroup> systemGroup;
|
|
mContent->GetSystemEventGroup(getter_AddRefs(systemGroup));
|
|
nsCOMPtr<nsIDOM3EventTarget> dom3Targ = do_QueryInterface(mContent);
|
|
if (dom3Targ) {
|
|
// cast because of ambiguous base
|
|
nsIDOMEventListener *listener = 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);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsIScrollableView* nsTextControlFrame::GetScrollableView()
|
|
{
|
|
nsIFrame* first = GetFirstChild(nsnull);
|
|
nsIScrollableFrame* scrollableFrame = do_QueryFrame(first);
|
|
return scrollableFrame ? scrollableFrame->GetScrollableView() : nsnull;
|
|
}
|
|
|
|
PRBool
|
|
nsTextControlFrame::IsScrollable() const
|
|
{
|
|
return !IsSingleLineTextControl();
|
|
}
|
|
|
|
void
|
|
nsTextControlFrame::SetValueChanged(PRBool aValueChanged)
|
|
{
|
|
nsCOMPtr<nsITextControlElement> elem = do_QueryInterface(mContent);
|
|
if (elem) {
|
|
elem->SetValueChanged(aValueChanged);
|
|
}
|
|
}
|
|
|
|
/* static */ void
|
|
nsTextControlFrame::ShutDown()
|
|
{
|
|
NS_IF_RELEASE(sNativeTextAreaBindings);
|
|
NS_IF_RELEASE(sNativeInputBindings);
|
|
}
|