зеркало из https://github.com/mozilla/pjs.git
4062 строки
118 KiB
C++
4062 строки
118 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=80: */
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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 Communicator client 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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* Dan Rosen <dr@netscape.com>
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* Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
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* Mats Palmgren <mats.palmgren@bredband.net>
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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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/* container for a document and its presentation */
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#include "nscore.h"
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#include "nsCOMPtr.h"
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#include "nsCRT.h"
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#include "nsString.h"
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#include "nsReadableUtils.h"
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#include "nsISupports.h"
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#include "nsIContent.h"
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#include "nsIContentViewerContainer.h"
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#include "nsIDocumentViewer.h"
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#include "nsIDocumentViewerPrint.h"
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#include "nsIDocument.h"
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#include "nsPresContext.h"
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#include "nsIPresShell.h"
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#include "nsIEventStateManager.h"
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#include "nsStyleSet.h"
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#include "nsIStyleSheet.h"
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#include "nsICSSStyleSheet.h"
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#include "nsIFrame.h"
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#include "nsILinkHandler.h"
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#include "nsIDOMDocument.h"
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#include "nsISelectionListener.h"
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#include "nsISelectionPrivate.h"
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#include "nsIDOMHTMLDocument.h"
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#include "nsIDOMNSHTMLDocument.h"
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#include "nsIDOMHTMLCollection.h"
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#include "nsIDOMHTMLElement.h"
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#include "nsIDOMRange.h"
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#include "nsContentCID.h"
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#include "nsLayoutCID.h"
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#include "nsContentUtils.h"
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#include "nsLayoutStylesheetCache.h"
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#include "nsViewsCID.h"
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#include "nsWidgetsCID.h"
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#include "nsIDeviceContext.h"
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#include "nsIDeviceContextSpec.h"
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#include "nsIViewManager.h"
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#include "nsIView.h"
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#include "nsIPageSequenceFrame.h"
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#include "nsIURL.h"
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#include "nsNetUtil.h"
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#include "nsIContentViewerEdit.h"
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#include "nsIContentViewerFile.h"
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#include "nsICSSLoader.h"
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#include "nsIMarkupDocumentViewer.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsIDocShellTreeNode.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIDocShell.h"
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#include "nsIBaseWindow.h"
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#include "nsIFrameDebug.h"
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#include "nsILayoutHistoryState.h"
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#include "nsIParser.h"
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#include "nsGUIEvent.h"
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#include "nsHTMLReflowState.h"
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#include "nsIDOMHTMLAnchorElement.h"
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#include "nsIDOMHTMLAreaElement.h"
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#include "nsIDOMHTMLLinkElement.h"
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#include "nsIImageLoadingContent.h"
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#include "nsCopySupport.h"
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#include "nsIDOMHTMLFrameSetElement.h"
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#ifdef MOZ_XUL
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#include "nsIXULDocument.h"
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#include "nsXULPopupManager.h"
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#endif
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#include "nsPrintfCString.h"
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#include "nsIClipboardHelper.h"
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#include "nsPIDOMWindow.h"
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#include "nsJSEnvironment.h"
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#include "nsIFocusController.h"
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#include "nsIMenuParent.h"
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#include "nsIScrollableView.h"
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#include "nsIHTMLDocument.h"
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#include "nsITimelineService.h"
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#include "nsGfxCIID.h"
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#include "nsStyleSheetService.h"
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#include "nsIPrompt.h"
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#include "imgIContainer.h" // image animation mode constants
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//--------------------------
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// Printing Include
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//---------------------------
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#ifdef NS_PRINTING
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#include "nsIWebBrowserPrint.h"
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#include "nsPrintEngine.h"
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// Print Options
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#include "nsIPrintSettings.h"
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#include "nsIPrintSettingsService.h"
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#include "nsIPrintOptions.h"
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#include "nsIServiceManager.h"
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#include "nsISimpleEnumerator.h"
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#include "nsXPCOM.h"
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#include "nsISupportsPrimitives.h"
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// PrintOptions is now implemented by PrintSettingsService
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static const char sPrintOptionsContractID[] = "@mozilla.org/gfx/printsettings-service;1";
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// Printing Events
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#include "nsPrintPreviewListener.h"
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#include "nsIDOMHTMLFrameElement.h"
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#include "nsIDOMHTMLIFrameElement.h"
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#include "nsIDOMHTMLObjectElement.h"
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#include "nsIPluginDocument.h"
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// Print Progress
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#include "nsIPrintProgress.h"
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#include "nsIPrintProgressParams.h"
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// Print error dialog
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#include "nsIWindowWatcher.h"
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// Printing
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#include "nsPrintEngine.h"
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#include "nsPagePrintTimer.h"
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#endif // NS_PRINTING
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// FrameSet
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#include "nsIDocument.h"
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//focus
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#include "nsIDOMEventTarget.h"
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#include "nsIDOMFocusListener.h"
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#include "nsISelectionController.h"
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#include "nsBidiUtils.h"
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#include "nsISHEntry.h"
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#include "nsISHistory.h"
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#include "nsISHistoryInternal.h"
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#include "nsIWebNavigation.h"
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#include "nsWeakPtr.h"
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#include "nsEventDispatcher.h"
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//paint forcing
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#include "prenv.h"
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#include <stdio.h>
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//switch to page layout
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#include "nsGfxCIID.h"
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#ifdef NS_DEBUG
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#undef NOISY_VIEWER
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#else
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#undef NOISY_VIEWER
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#endif
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//-----------------------------------------------------
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// PR LOGGING
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#ifdef MOZ_LOGGING
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#define FORCE_PR_LOG /* Allow logging in the release build */
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#endif
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#include "prlog.h"
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#ifdef PR_LOGGING
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static PRLogModuleInfo * kPrintingLogMod = PR_NewLogModule("printing");
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#define PR_PL(_p1) PR_LOG(kPrintingLogMod, PR_LOG_DEBUG, _p1);
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#define PRT_YESNO(_p) ((_p)?"YES":"NO")
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#else
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#define PRT_YESNO(_p)
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#define PR_PL(_p1)
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#endif
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//-----------------------------------------------------
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class DocumentViewerImpl;
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// a small delegate class used to avoid circular references
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#ifdef XP_MAC
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#pragma mark ** nsDocViewerSelectionListener **
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#endif
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class nsDocViewerSelectionListener : public nsISelectionListener
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{
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public:
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// nsISupports interface...
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NS_DECL_ISUPPORTS
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// nsISelectionListerner interface
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NS_DECL_NSISELECTIONLISTENER
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nsDocViewerSelectionListener()
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: mDocViewer(NULL)
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, mGotSelectionState(PR_FALSE)
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, mSelectionWasCollapsed(PR_FALSE)
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{
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}
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virtual ~nsDocViewerSelectionListener() {}
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nsresult Init(DocumentViewerImpl *aDocViewer);
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protected:
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DocumentViewerImpl* mDocViewer;
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PRPackedBool mGotSelectionState;
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PRPackedBool mSelectionWasCollapsed;
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};
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/** editor Implementation of the FocusListener interface
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*/
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class nsDocViewerFocusListener : public nsIDOMFocusListener
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{
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public:
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/** default constructor
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*/
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nsDocViewerFocusListener();
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/** default destructor
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*/
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virtual ~nsDocViewerFocusListener();
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/*interfaces for addref and release and queryinterface*/
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NS_DECL_ISUPPORTS
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/*BEGIN implementations of focus event handler interface*/
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
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NS_IMETHOD Focus(nsIDOMEvent* aEvent);
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NS_IMETHOD Blur(nsIDOMEvent* aEvent);
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/*END implementations of focus event handler interface*/
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nsresult Init(DocumentViewerImpl *aDocViewer);
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private:
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DocumentViewerImpl* mDocViewer;
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};
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#ifdef XP_MAC
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#pragma mark ** DocumentViewerImpl **
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#endif
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//-------------------------------------------------------------
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class DocumentViewerImpl : public nsIDocumentViewer,
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public nsIContentViewerEdit,
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public nsIContentViewerFile,
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public nsIMarkupDocumentViewer,
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public nsIDocumentViewerPrint
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#ifdef NS_PRINTING
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, public nsIWebBrowserPrint
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#endif
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{
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friend class nsDocViewerSelectionListener;
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friend class nsPagePrintTimer;
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friend class nsPrintEngine;
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public:
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DocumentViewerImpl();
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NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
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// nsISupports interface...
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NS_DECL_ISUPPORTS
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// nsIContentViewer interface...
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NS_DECL_NSICONTENTVIEWER
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// nsIDocumentViewer interface...
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NS_IMETHOD SetUAStyleSheet(nsIStyleSheet* aUAStyleSheet);
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NS_IMETHOD GetDocument(nsIDocument** aResult);
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NS_IMETHOD GetPresShell(nsIPresShell** aResult);
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NS_IMETHOD GetPresContext(nsPresContext** aResult);
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// nsIContentViewerEdit
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NS_DECL_NSICONTENTVIEWEREDIT
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// nsIContentViewerFile
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NS_DECL_NSICONTENTVIEWERFILE
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// nsIMarkupDocumentViewer
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NS_DECL_NSIMARKUPDOCUMENTVIEWER
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#ifdef NS_PRINTING
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// nsIWebBrowserPrint
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NS_DECL_NSIWEBBROWSERPRINT
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#endif
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typedef void (*CallChildFunc)(nsIMarkupDocumentViewer* aViewer,
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void* aClosure);
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void CallChildren(CallChildFunc aFunc, void* aClosure);
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// nsIDocumentViewerPrint Printing Methods
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NS_DECL_NSIDOCUMENTVIEWERPRINT
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protected:
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virtual ~DocumentViewerImpl();
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private:
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nsresult MakeWindow(nsIWidget* aParentWidget,
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const nsRect& aBounds);
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nsresult InitInternal(nsIWidget* aParentWidget,
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nsISupports *aState,
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nsIDeviceContext* aDeviceContext,
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const nsRect& aBounds,
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PRBool aDoCreation,
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PRBool aInPrintPreview,
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PRBool aNeedMakeCX = PR_TRUE);
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nsresult InitPresentationStuff(PRBool aDoInitialReflow);
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nsresult GetPopupNode(nsIDOMNode** aNode);
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nsresult GetPopupLinkNode(nsIDOMNode** aNode);
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nsresult GetPopupImageNode(nsIImageLoadingContent** aNode);
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void DumpContentToPPM(const char* aFileName);
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void PrepareToStartLoad(void);
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nsresult SyncParentSubDocMap();
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nsresult GetDocumentSelection(nsISelection **aSelection);
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nsresult GetClipboardEventTarget(nsIDOMNode **aEventTarget);
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nsresult FireClipboardEvent(PRUint32 msg, PRBool* aPreventDefault);
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#ifdef NS_PRINTING
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// Called when the DocViewer is notified that the state
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// of Printing or PP has changed
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void SetIsPrintingInDocShellTree(nsIDocShellTreeNode* aParentNode,
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PRBool aIsPrintingOrPP,
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PRBool aStartAtTop);
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#endif // NS_PRINTING
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protected:
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// IMPORTANT: The ownership implicit in the following member
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// variables has been explicitly checked and set using nsCOMPtr
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// for owning pointers and raw COM interface pointers for weak
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// (ie, non owning) references. If you add any members to this
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// class, please make the ownership explicit (pinkerton, scc).
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nsWeakPtr mContainer; // it owns me!
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nsCOMPtr<nsIDeviceContext> mDeviceContext; // ??? can't hurt, but...
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// the following six items are explicitly in this order
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// so they will be destroyed in the reverse order (pinkerton, scc)
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nsCOMPtr<nsIDocument> mDocument;
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nsCOMPtr<nsIWidget> mWindow; // ??? should we really own it?
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nsCOMPtr<nsIViewManager> mViewManager;
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nsCOMPtr<nsPresContext> mPresContext;
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nsCOMPtr<nsIPresShell> mPresShell;
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nsCOMPtr<nsIStyleSheet> mUAStyleSheet;
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nsCOMPtr<nsISelectionListener> mSelectionListener;
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nsCOMPtr<nsIDOMFocusListener> mFocusListener;
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nsCOMPtr<nsIContentViewer> mPreviousViewer;
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nsCOMPtr<nsISHEntry> mSHEntry;
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nsIWidget* mParentWidget; // purposely won't be ref counted
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float mTextZoom; // Text zoom, defaults to 1.0
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float mPageZoom;
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PRInt16 mNumURLStarts;
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PRInt16 mDestroyRefCount; // a second "refcount" for the document viewer's "destroy"
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unsigned mEnableRendering : 1;
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unsigned mStopped : 1;
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unsigned mLoaded : 1;
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unsigned mDeferredWindowClose : 1;
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// document management data
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// these items are specific to markup documents (html and xml)
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// may consider splitting these out into a subclass
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unsigned mIsSticky : 1;
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unsigned mInPermitUnload : 1;
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#ifdef NS_PRINTING
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unsigned mClosingWhilePrinting : 1;
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#if NS_PRINT_PREVIEW
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// These data members support delayed printing when the document is loading
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unsigned mPrintIsPending : 1;
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unsigned mPrintDocIsFullyLoaded : 1;
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nsCOMPtr<nsIPrintSettings> mCachedPrintSettings;
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nsCOMPtr<nsIWebProgressListener> mCachedPrintWebProgressListner;
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nsCOMPtr<nsPrintEngine> mPrintEngine;
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#endif // NS_PRINT_PREVIEW
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#ifdef NS_DEBUG
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FILE* mDebugFile;
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#endif // NS_DEBUG
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#endif // NS_PRINTING
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/* character set member data */
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PRInt32 mHintCharsetSource;
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nsCString mHintCharset;
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nsCString mDefaultCharacterSet;
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nsCString mForceCharacterSet;
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nsCString mPrevDocCharacterSet;
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PRPackedBool mIsPageMode;
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};
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//------------------------------------------------------------------
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// DocumentViewerImpl
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//------------------------------------------------------------------
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// Class IDs
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static NS_DEFINE_CID(kViewManagerCID, NS_VIEW_MANAGER_CID);
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static NS_DEFINE_CID(kWidgetCID, NS_CHILD_CID);
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//------------------------------------------------------------------
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nsresult
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NS_NewDocumentViewer(nsIDocumentViewer** aResult)
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{
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*aResult = new DocumentViewerImpl();
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if (!*aResult) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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void DocumentViewerImpl::PrepareToStartLoad()
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{
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mEnableRendering = PR_TRUE;
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mStopped = PR_FALSE;
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mLoaded = PR_FALSE;
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mDeferredWindowClose = PR_FALSE;
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#ifdef NS_PRINTING
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mPrintIsPending = PR_FALSE;
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mPrintDocIsFullyLoaded = PR_FALSE;
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mClosingWhilePrinting = PR_FALSE;
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// Make sure we have destroyed it and cleared the data member
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if (mPrintEngine) {
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mPrintEngine->Destroy();
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mPrintEngine = nsnull;
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}
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#ifdef NS_PRINT_PREVIEW
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SetIsPrintPreview(PR_FALSE);
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#endif
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#ifdef NS_DEBUG
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mDebugFile = nsnull;
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#endif
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#endif // NS_PRINTING
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}
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// Note: operator new zeros our memory, so no need to init things to null.
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DocumentViewerImpl::DocumentViewerImpl()
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: mTextZoom(1.0), mPageZoom(1.0),
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mIsSticky(PR_TRUE),
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mHintCharsetSource(kCharsetUninitialized)
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{
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PrepareToStartLoad();
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}
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NS_IMPL_ADDREF(DocumentViewerImpl)
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NS_IMPL_RELEASE(DocumentViewerImpl)
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NS_INTERFACE_MAP_BEGIN(DocumentViewerImpl)
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NS_INTERFACE_MAP_ENTRY(nsIContentViewer)
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NS_INTERFACE_MAP_ENTRY(nsIDocumentViewer)
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NS_INTERFACE_MAP_ENTRY(nsIMarkupDocumentViewer)
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NS_INTERFACE_MAP_ENTRY(nsIContentViewerFile)
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NS_INTERFACE_MAP_ENTRY(nsIContentViewerEdit)
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NS_INTERFACE_MAP_ENTRY(nsIDocumentViewerPrint)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContentViewer)
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#ifdef NS_PRINTING
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|
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserPrint)
|
|
#endif
|
|
NS_INTERFACE_MAP_END
|
|
|
|
DocumentViewerImpl::~DocumentViewerImpl()
|
|
{
|
|
if (mDocument) {
|
|
Close(nsnull);
|
|
mDocument->Destroy();
|
|
}
|
|
|
|
NS_ASSERTION(!mPresShell && !mPresContext,
|
|
"User did not call nsIContentViewer::Destroy");
|
|
if (mPresShell || mPresContext) {
|
|
// Make sure we don't hand out a reference to the content viewer to
|
|
// the SHEntry!
|
|
mSHEntry = nsnull;
|
|
|
|
Destroy();
|
|
}
|
|
|
|
// XXX(?) Revoke pending invalidate events
|
|
}
|
|
|
|
/*
|
|
* This method is called by the Document Loader once a document has
|
|
* been created for a particular data stream... The content viewer
|
|
* must cache this document for later use when Init(...) is called.
|
|
*
|
|
* This method is also called when an out of band document.write() happens.
|
|
* In that case, the document passed in is the same as the previous document.
|
|
*/
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::LoadStart(nsISupports *aDoc)
|
|
{
|
|
#ifdef NOISY_VIEWER
|
|
printf("DocumentViewerImpl::LoadStart\n");
|
|
#endif
|
|
|
|
nsresult rv = NS_OK;
|
|
if (!mDocument) {
|
|
mDocument = do_QueryInterface(aDoc, &rv);
|
|
}
|
|
else if (mDocument == aDoc) {
|
|
// Reset the document viewer's state back to what it was
|
|
// when the document load started.
|
|
PrepareToStartLoad();
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
DocumentViewerImpl::SyncParentSubDocMap()
|
|
{
|
|
nsCOMPtr<nsIDocShellTreeItem> item(do_QueryReferent(mContainer));
|
|
nsCOMPtr<nsPIDOMWindow> pwin(do_GetInterface(item));
|
|
nsCOMPtr<nsIContent> content;
|
|
|
|
if (mDocument && pwin) {
|
|
content = do_QueryInterface(pwin->GetFrameElementInternal());
|
|
}
|
|
|
|
if (content) {
|
|
nsCOMPtr<nsIDocShellTreeItem> parent;
|
|
item->GetParent(getter_AddRefs(parent));
|
|
|
|
nsCOMPtr<nsIDOMWindow> parent_win(do_GetInterface(parent));
|
|
|
|
if (parent_win) {
|
|
nsCOMPtr<nsIDOMDocument> dom_doc;
|
|
parent_win->GetDocument(getter_AddRefs(dom_doc));
|
|
|
|
nsCOMPtr<nsIDocument> parent_doc(do_QueryInterface(dom_doc));
|
|
|
|
if (parent_doc) {
|
|
return parent_doc->SetSubDocumentFor(content, mDocument);
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetContainer(nsISupports* aContainer)
|
|
{
|
|
mContainer = do_GetWeakReference(aContainer);
|
|
if (mPresContext) {
|
|
mPresContext->SetContainer(aContainer);
|
|
}
|
|
|
|
// We're loading a new document into the window where this document
|
|
// viewer lives, sync the parent document's frame element -> sub
|
|
// document map
|
|
|
|
return SyncParentSubDocMap();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetContainer(nsISupports** aResult)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
|
|
|
*aResult = nsnull;
|
|
nsCOMPtr<nsISupports> container = do_QueryReferent(mContainer);
|
|
container.swap(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::Init(nsIWidget* aParentWidget,
|
|
nsIDeviceContext* aDeviceContext,
|
|
const nsRect& aBounds)
|
|
{
|
|
return InitInternal(aParentWidget, nsnull, aDeviceContext, aBounds, PR_TRUE, PR_FALSE);
|
|
}
|
|
|
|
nsresult
|
|
DocumentViewerImpl::InitPresentationStuff(PRBool aDoInitialReflow)
|
|
{
|
|
// Create the style set...
|
|
nsStyleSet *styleSet;
|
|
nsresult rv = CreateStyleSet(mDocument, &styleSet);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Now make the shell for the document
|
|
rv = mDocument->CreateShell(mPresContext, mViewManager, styleSet,
|
|
getter_AddRefs(mPresShell));
|
|
if (NS_FAILED(rv)) {
|
|
delete styleSet;
|
|
return rv;
|
|
}
|
|
|
|
// We're done creating the style set
|
|
styleSet->EndUpdate();
|
|
|
|
if (aDoInitialReflow) {
|
|
// Since InitialReflow() will create frames for *all* items
|
|
// that are currently in the document tree, we need to flush
|
|
// any pending notifications to prevent the content sink from
|
|
// duplicating layout frames for content it has added to the tree
|
|
// but hasn't notified the document about. (Bug 154018)
|
|
//
|
|
// Note that we are flushing before we add mPresShell as an observer
|
|
// to avoid bogus notifications.
|
|
|
|
mDocument->FlushPendingNotifications(Flush_ContentAndNotify);
|
|
}
|
|
|
|
mPresShell->BeginObservingDocument();
|
|
|
|
// Initialize our view manager
|
|
nsRect bounds;
|
|
mWindow->GetBounds(bounds);
|
|
|
|
nscoord width = mPresContext->DeviceContext()->UnscaledAppUnitsPerDevPixel() * bounds.width;
|
|
nscoord height = mPresContext->DeviceContext()->UnscaledAppUnitsPerDevPixel() * bounds.height;
|
|
|
|
mViewManager->DisableRefresh();
|
|
mViewManager->SetWindowDimensions(width, height);
|
|
mPresContext->SetTextZoom(mTextZoom);
|
|
mPresContext->SetFullZoom(mPageZoom);
|
|
|
|
// Setup default view manager background color
|
|
|
|
// This may be overridden by the docshell with the background color
|
|
// for the last document loaded into the docshell
|
|
mViewManager->SetDefaultBackgroundColor(mPresContext->DefaultBackgroundColor());
|
|
|
|
if (aDoInitialReflow) {
|
|
nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(mDocument);
|
|
if (htmlDoc) {
|
|
nsCOMPtr<nsIDOMHTMLFrameSetElement> frameset =
|
|
do_QueryInterface(mDocument->GetRootContent());
|
|
htmlDoc->SetIsFrameset(frameset != nsnull);
|
|
}
|
|
|
|
nsCOMPtr<nsIPresShell> shellGrip = mPresShell;
|
|
// Initial reflow
|
|
mPresShell->InitialReflow(width, height);
|
|
|
|
// Now trigger a refresh
|
|
if (mEnableRendering && mViewManager) {
|
|
mViewManager->EnableRefresh(NS_VMREFRESH_IMMEDIATE);
|
|
}
|
|
} else {
|
|
// Store the visible area so it's available for other callers of
|
|
// InitialReflow, like nsContentSink::StartLayout.
|
|
mPresContext->SetVisibleArea(nsRect(0, 0, width, height));
|
|
}
|
|
|
|
// now register ourselves as a selection listener, so that we get
|
|
// called when the selection changes in the window
|
|
nsDocViewerSelectionListener *selectionListener =
|
|
new nsDocViewerSelectionListener();
|
|
NS_ENSURE_TRUE(selectionListener, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
selectionListener->Init(this);
|
|
|
|
// mSelectionListener is a owning reference
|
|
mSelectionListener = selectionListener;
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
rv = GetDocumentSelection(getter_AddRefs(selection));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(selection));
|
|
rv = selPrivate->AddSelectionListener(mSelectionListener);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// Save old listener so we can unregister it
|
|
nsCOMPtr<nsIDOMFocusListener> mOldFocusListener = mFocusListener;
|
|
|
|
// focus listener
|
|
//
|
|
// now register ourselves as a focus listener, so that we get called
|
|
// when the focus changes in the window
|
|
nsDocViewerFocusListener *focusListener;
|
|
NS_NEWXPCOM(focusListener, nsDocViewerFocusListener);
|
|
NS_ENSURE_TRUE(focusListener, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
focusListener->Init(this);
|
|
|
|
// mFocusListener is a strong reference
|
|
mFocusListener = focusListener;
|
|
|
|
if (mDocument) {
|
|
rv = mDocument->AddEventListenerByIID(mFocusListener,
|
|
NS_GET_IID(nsIDOMFocusListener));
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to register focus listener");
|
|
if (mOldFocusListener) {
|
|
rv = mDocument->RemoveEventListenerByIID(mOldFocusListener,
|
|
NS_GET_IID(nsIDOMFocusListener));
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to remove focus listener");
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//-----------------------------------------------
|
|
// This method can be used to initial the "presentation"
|
|
// The aDoCreation indicates whether it should create
|
|
// all the new objects or just initialize the existing ones
|
|
nsresult
|
|
DocumentViewerImpl::InitInternal(nsIWidget* aParentWidget,
|
|
nsISupports *aState,
|
|
nsIDeviceContext* aDeviceContext,
|
|
const nsRect& aBounds,
|
|
PRBool aDoCreation,
|
|
PRBool aInPrintPreview,
|
|
PRBool aNeedMakeCX /*= PR_TRUE*/)
|
|
{
|
|
mParentWidget = aParentWidget; // not ref counted
|
|
|
|
nsresult rv = NS_OK;
|
|
NS_ENSURE_TRUE(mDocument, NS_ERROR_NULL_POINTER);
|
|
|
|
mDeviceContext = aDeviceContext;
|
|
|
|
PRBool makeCX = PR_FALSE;
|
|
if (aDoCreation) {
|
|
if (aParentWidget && !mPresContext) {
|
|
// Create presentation context
|
|
if (mIsPageMode) {
|
|
//Presentation context already created in SetPageMode which is calling this method
|
|
}
|
|
else
|
|
mPresContext =
|
|
new nsPresContext(mDocument, nsPresContext::eContext_Galley);
|
|
NS_ENSURE_TRUE(mPresContext, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
nsresult rv = mPresContext->Init(aDeviceContext);
|
|
if (NS_FAILED(rv)) {
|
|
mPresContext = nsnull;
|
|
return rv;
|
|
}
|
|
|
|
#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
|
|
makeCX = !GetIsPrintPreview() && aNeedMakeCX; // needs to be true except when we are already in PP or we are enabling/disabling paginated mode.
|
|
#else
|
|
makeCX = PR_TRUE;
|
|
#endif
|
|
}
|
|
|
|
if (mPresContext) {
|
|
// Create the ViewManager and Root View...
|
|
|
|
// We must do this before we tell the script global object about
|
|
// this new document since doing that will cause us to re-enter
|
|
// into nsSubDocumentFrame code through reflows caused by
|
|
// FlushPendingNotifications() calls down the road...
|
|
|
|
rv = MakeWindow(aParentWidget, aBounds);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
Hide();
|
|
|
|
#ifdef NS_PRINT_PREVIEW
|
|
if (mIsPageMode) {
|
|
// I'm leaving this in a broken state for the moment; we should
|
|
// be measuring/scaling with the print device context, not the
|
|
// screen device context, but this is good enough to allow
|
|
// printing reftests to work.
|
|
#if 0
|
|
nsCOMPtr<nsIDeviceContextSpec> devspec =
|
|
do_CreateInstance("@mozilla.org/gfx/devicecontextspec;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
// mWindow has been initialized by preceding call to MakeWindow
|
|
rv = devspec->Init(mWindow, mPresContext->GetPrintSettings(), PR_FALSE);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
nsCOMPtr<nsIDeviceContext> devctx =
|
|
do_CreateInstance("@mozilla.org/gfx/devicecontext;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = devctx->InitForPrinting(devspec);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
// XXX I'm breaking this code; I'm not sure I really want to mess with
|
|
// the document viewer at the moment to get the right device context
|
|
// (this won't break anyone, since page layout mode was never really
|
|
// usable)
|
|
#endif
|
|
double pageWidth = 0, pageHeight = 0;
|
|
mPresContext->GetPrintSettings()->GetEffectivePageSize(&pageWidth,
|
|
&pageHeight);
|
|
mPresContext->SetPageSize(
|
|
nsSize(mPresContext->TwipsToAppUnits(pageWidth),
|
|
mPresContext->TwipsToAppUnits(pageHeight)));
|
|
mPresContext->SetIsRootPaginatedDocument(PR_TRUE);
|
|
mPresContext->SetPageScale(1.0f);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIInterfaceRequestor> requestor(do_QueryReferent(mContainer));
|
|
if (requestor) {
|
|
if (mPresContext) {
|
|
nsCOMPtr<nsILinkHandler> linkHandler;
|
|
requestor->GetInterface(NS_GET_IID(nsILinkHandler),
|
|
getter_AddRefs(linkHandler));
|
|
|
|
mPresContext->SetContainer(requestor);
|
|
mPresContext->SetLinkHandler(linkHandler);
|
|
}
|
|
|
|
if (!aInPrintPreview) {
|
|
// Set script-context-owner in the document
|
|
|
|
nsCOMPtr<nsPIDOMWindow> window;
|
|
requestor->GetInterface(NS_GET_IID(nsPIDOMWindow),
|
|
getter_AddRefs(window));
|
|
|
|
if (window) {
|
|
window->SetNewDocument(mDocument, aState, PR_TRUE);
|
|
|
|
nsJSContext::LoadStart();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (aDoCreation && mPresContext) {
|
|
// The ViewManager and Root View was created above (in
|
|
// MakeWindow())...
|
|
|
|
rv = InitPresentationStuff(!makeCX);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
//
|
|
// LoadComplete(aStatus)
|
|
//
|
|
// aStatus - The status returned from loading the document.
|
|
//
|
|
// This method is called by the container when the document has been
|
|
// completely loaded.
|
|
//
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::LoadComplete(nsresult aStatus)
|
|
{
|
|
/* We need to protect ourself against auto-destruction in case the
|
|
window is closed while processing the OnLoad event. See bug
|
|
http://bugzilla.mozilla.org/show_bug.cgi?id=78445 for more
|
|
explanation.
|
|
*/
|
|
nsCOMPtr<nsIDocumentViewer> kungFuDeathGrip(this);
|
|
|
|
// Flush out layout so it's up-to-date by the time onload is called.
|
|
// Note that this could destroy the window, so do this before
|
|
// checking for our mDocument and its window.
|
|
if (mPresShell && !mStopped) {
|
|
// Hold strong ref because this could conceivably run script
|
|
nsCOMPtr<nsIPresShell> shell = mPresShell;
|
|
shell->FlushPendingNotifications(Flush_Layout);
|
|
}
|
|
|
|
nsresult rv = NS_OK;
|
|
NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
|
|
|
|
// First, get the window from the document...
|
|
nsPIDOMWindow *window = mDocument->GetWindow();
|
|
|
|
// Fail if no window is available...
|
|
NS_ENSURE_TRUE(window, NS_ERROR_NULL_POINTER);
|
|
|
|
mLoaded = PR_TRUE;
|
|
|
|
// Now, fire either an OnLoad or OnError event to the document...
|
|
PRBool restoring = PR_FALSE;
|
|
if(NS_SUCCEEDED(aStatus)) {
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
nsEvent event(PR_TRUE, NS_LOAD);
|
|
event.flags |= NS_EVENT_FLAG_CANT_BUBBLE;
|
|
// XXX Dispatching to |window|, but using |document| as the target.
|
|
event.target = mDocument;
|
|
|
|
// If the document presentation is being restored, we don't want to fire
|
|
// onload to the document content since that would likely confuse scripts
|
|
// on the page.
|
|
|
|
nsIDocShell *docShell = window->GetDocShell();
|
|
NS_ENSURE_TRUE(docShell, NS_ERROR_UNEXPECTED);
|
|
|
|
docShell->GetRestoringDocument(&restoring);
|
|
if (!restoring) {
|
|
nsEventDispatcher::Dispatch(window, mPresContext, &event, nsnull,
|
|
&status);
|
|
#ifdef MOZ_TIMELINE
|
|
// if navigator.xul's load is complete, the main nav window is visible
|
|
// mark that point.
|
|
|
|
//printf("DEBUG: getting uri from document (%p)\n", mDocument.get());
|
|
|
|
nsIURI *uri = mDocument ? mDocument->GetDocumentURI() : nsnull;
|
|
|
|
if (uri) {
|
|
//printf("DEBUG: getting spec for uri (%p)\n", uri.get());
|
|
nsCAutoString spec;
|
|
uri->GetSpec(spec);
|
|
if (spec.EqualsLiteral("chrome://navigator/content/navigator.xul") ||
|
|
spec.EqualsLiteral("chrome://browser/content/browser.xul")) {
|
|
NS_TIMELINE_MARK("Navigator Window visible now");
|
|
}
|
|
}
|
|
#endif /* MOZ_TIMELINE */
|
|
}
|
|
} else {
|
|
// XXX: Should fire error event to the document...
|
|
}
|
|
|
|
// Notify the document that it has been shown (regardless of whether
|
|
// it was just loaded). Note: mDocument may be null now if the above
|
|
// firing of onload caused the document to unload.
|
|
if (mDocument)
|
|
mDocument->OnPageShow(restoring);
|
|
|
|
// Now that the document has loaded, we can tell the presshell
|
|
// to unsuppress painting.
|
|
if (mPresShell && !mStopped) {
|
|
nsCOMPtr<nsIPresShell> shellDeathGrip(mPresShell); // bug 378682
|
|
mPresShell->UnsuppressPainting();
|
|
}
|
|
|
|
nsJSContext::LoadEnd();
|
|
|
|
#ifdef NS_PRINTING
|
|
// Check to see if someone tried to print during the load
|
|
if (mPrintIsPending) {
|
|
mPrintIsPending = PR_FALSE;
|
|
mPrintDocIsFullyLoaded = PR_TRUE;
|
|
Print(mCachedPrintSettings, mCachedPrintWebProgressListner);
|
|
mCachedPrintSettings = nsnull;
|
|
mCachedPrintWebProgressListner = nsnull;
|
|
}
|
|
#endif
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::PermitUnload(PRBool *aPermitUnload)
|
|
{
|
|
*aPermitUnload = PR_TRUE;
|
|
|
|
if (!mDocument || mInPermitUnload) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// First, get the script global object from the document...
|
|
nsPIDOMWindow *window = mDocument->GetWindow();
|
|
|
|
if (!window) {
|
|
// This is odd, but not fatal
|
|
NS_WARNING("window not set for document!");
|
|
return NS_OK;
|
|
}
|
|
|
|
// Now, fire an BeforeUnload event to the document and see if it's ok
|
|
// to unload...
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
nsBeforePageUnloadEvent event(PR_TRUE, NS_BEFORE_PAGE_UNLOAD);
|
|
event.flags |= NS_EVENT_FLAG_CANT_BUBBLE;
|
|
// XXX Dispatching to |window|, but using |document| as the target.
|
|
event.target = mDocument;
|
|
nsresult rv = NS_OK;
|
|
|
|
// In evil cases we might be destroyed while handling the
|
|
// onbeforeunload event, don't let that happen. (see also bug#331040)
|
|
nsRefPtr<DocumentViewerImpl> kungFuDeathGrip(this);
|
|
|
|
{
|
|
// Never permit popups from the beforeunload handler, no matter
|
|
// how we get here.
|
|
nsAutoPopupStatePusher popupStatePusher(openAbused, PR_TRUE);
|
|
|
|
mInPermitUnload = PR_TRUE;
|
|
nsEventDispatcher::Dispatch(window, mPresContext, &event, nsnull, &status);
|
|
mInPermitUnload = PR_FALSE;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeNode> docShellNode(do_QueryReferent(mContainer));
|
|
|
|
if (NS_SUCCEEDED(rv) && (event.flags & NS_EVENT_FLAG_NO_DEFAULT ||
|
|
!event.text.IsEmpty())) {
|
|
// Ask the user if it's ok to unload the current page
|
|
|
|
nsCOMPtr<nsIPrompt> prompt = do_GetInterface(docShellNode);
|
|
|
|
if (prompt) {
|
|
nsXPIDLString preMsg, postMsg;
|
|
rv = nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,
|
|
"OnBeforeUnloadPreMessage",
|
|
preMsg);
|
|
rv |= nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,
|
|
"OnBeforeUnloadPostMessage",
|
|
postMsg);
|
|
|
|
// GetStringFromName can succeed, yet give NULL strings back.
|
|
if (NS_FAILED(rv) || preMsg.IsEmpty() || postMsg.IsEmpty()) {
|
|
NS_ERROR("Failed to get strings from dom.properties!");
|
|
return NS_OK;
|
|
}
|
|
|
|
// Limit the length of the text the page can inject into this
|
|
// dialogue to 1024 characters.
|
|
PRInt32 len = PR_MIN(event.text.Length(), 1024);
|
|
|
|
nsAutoString msg;
|
|
if (len == 0) {
|
|
msg = preMsg + NS_LITERAL_STRING("\n\n") + postMsg;
|
|
} else {
|
|
msg = preMsg + NS_LITERAL_STRING("\n\n") +
|
|
StringHead(event.text, len) +
|
|
NS_LITERAL_STRING("\n\n") + postMsg;
|
|
}
|
|
|
|
// This doesn't pass a title, which makes the title be
|
|
// "Confirm", is that ok, or do we want a localizable title for
|
|
// this dialogue?
|
|
if (NS_FAILED(prompt->Confirm(nsnull, msg.get(), aPermitUnload))) {
|
|
*aPermitUnload = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (docShellNode) {
|
|
PRInt32 childCount;
|
|
docShellNode->GetChildCount(&childCount);
|
|
|
|
for (PRInt32 i = 0; i < childCount && *aPermitUnload; ++i) {
|
|
nsCOMPtr<nsIDocShellTreeItem> item;
|
|
docShellNode->GetChildAt(i, getter_AddRefs(item));
|
|
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(item));
|
|
|
|
if (docShell) {
|
|
nsCOMPtr<nsIContentViewer> cv;
|
|
docShell->GetContentViewer(getter_AddRefs(cv));
|
|
|
|
if (cv) {
|
|
cv->PermitUnload(aPermitUnload);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::PageHide(PRBool aIsUnload)
|
|
{
|
|
mEnableRendering = PR_FALSE;
|
|
|
|
if (!mDocument) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
mDocument->OnPageHide(!aIsUnload);
|
|
if (aIsUnload) {
|
|
// if Destroy() was called during OnPageHide(), mDocument is nsnull.
|
|
NS_ENSURE_STATE(mDocument);
|
|
|
|
// First, get the window from the document...
|
|
nsPIDOMWindow *window = mDocument->GetWindow();
|
|
|
|
if (!window) {
|
|
// Fail if no window is available...
|
|
NS_ERROR("window not set for document!");
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
// Now, fire an Unload event to the document...
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
nsEvent event(PR_TRUE, NS_PAGE_UNLOAD);
|
|
event.flags |= NS_EVENT_FLAG_CANT_BUBBLE;
|
|
// XXX Dispatching to |window|, but using |document| as the target.
|
|
event.target = mDocument;
|
|
|
|
// Never permit popups from the unload handler, no matter how we get
|
|
// here.
|
|
nsAutoPopupStatePusher popupStatePusher(openAbused, PR_TRUE);
|
|
|
|
nsEventDispatcher::Dispatch(window, mPresContext, &event, nsnull, &status);
|
|
}
|
|
|
|
#ifdef MOZ_XUL
|
|
// look for open menupopups and close them after the unload event, in case
|
|
// the unload event listeners open any new popups
|
|
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
|
|
if (pm && mDocument)
|
|
pm->HidePopupsInDocument(mDocument);
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
AttachContainerRecurse(nsIDocShell* aShell)
|
|
{
|
|
nsCOMPtr<nsIContentViewer> viewer;
|
|
aShell->GetContentViewer(getter_AddRefs(viewer));
|
|
nsCOMPtr<nsIDocumentViewer> docViewer = do_QueryInterface(viewer);
|
|
if (docViewer) {
|
|
nsCOMPtr<nsIDocument> doc;
|
|
docViewer->GetDocument(getter_AddRefs(doc));
|
|
if (doc) {
|
|
doc->SetContainer(aShell);
|
|
}
|
|
nsCOMPtr<nsPresContext> pc;
|
|
docViewer->GetPresContext(getter_AddRefs(pc));
|
|
if (pc) {
|
|
pc->SetContainer(aShell);
|
|
pc->SetLinkHandler(nsCOMPtr<nsILinkHandler>(do_QueryInterface(aShell)));
|
|
}
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
docViewer->GetPresShell(getter_AddRefs(presShell));
|
|
if (presShell) {
|
|
presShell->SetForwardingContainer(nsnull);
|
|
}
|
|
}
|
|
|
|
// Now recurse through the children
|
|
nsCOMPtr<nsIDocShellTreeNode> node = do_QueryInterface(aShell);
|
|
NS_ASSERTION(node, "docshells must implement nsIDocShellTreeNode");
|
|
|
|
PRInt32 childCount;
|
|
node->GetChildCount(&childCount);
|
|
for (PRInt32 i = 0; i < childCount; ++i) {
|
|
nsCOMPtr<nsIDocShellTreeItem> childItem;
|
|
node->GetChildAt(i, getter_AddRefs(childItem));
|
|
AttachContainerRecurse(nsCOMPtr<nsIDocShell>(do_QueryInterface(childItem)));
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::Open(nsISupports *aState, nsISHEntry *aSHEntry)
|
|
{
|
|
NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED);
|
|
|
|
// Our container might have gone away while we were closed.
|
|
// If this is the case, we must fail to open so we don't crash.
|
|
nsCOMPtr<nsISupports> container = do_QueryReferent(mContainer);
|
|
if (!container)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
nsRect bounds;
|
|
mWindow->GetBounds(bounds);
|
|
|
|
nsresult rv = InitInternal(mParentWidget, aState, mDeviceContext, bounds,
|
|
PR_FALSE, PR_FALSE);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (mDocument)
|
|
mDocument->SetContainer(nsCOMPtr<nsISupports>(do_QueryReferent(mContainer)));
|
|
|
|
if (mPresShell)
|
|
mPresShell->SetForwardingContainer(nsnull);
|
|
|
|
// Rehook the child presentations. The child shells are still in
|
|
// session history, so get them from there.
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> item;
|
|
PRInt32 itemIndex = 0;
|
|
while (NS_SUCCEEDED(aSHEntry->ChildShellAt(itemIndex++,
|
|
getter_AddRefs(item))) && item) {
|
|
AttachContainerRecurse(nsCOMPtr<nsIDocShell>(do_QueryInterface(item)));
|
|
}
|
|
|
|
SyncParentSubDocMap();
|
|
|
|
if (mFocusListener && mDocument) {
|
|
mDocument->AddEventListenerByIID(mFocusListener,
|
|
NS_GET_IID(nsIDOMFocusListener));
|
|
}
|
|
|
|
// XXX re-enable image animations once that works correctly
|
|
|
|
PrepareToStartLoad();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::Close(nsISHEntry *aSHEntry)
|
|
{
|
|
// All callers are supposed to call close to break circular
|
|
// references. If we do this stuff in the destructor, the
|
|
// destructor might never be called (especially if we're being
|
|
// used from JS.
|
|
|
|
mSHEntry = aSHEntry;
|
|
|
|
// Close is also needed to disable scripts during paint suppression,
|
|
// since we transfer the existing global object to the new document
|
|
// that is loaded. In the future, the global object may become a proxy
|
|
// for an object that can be switched in and out so that we don't need
|
|
// to disable scripts during paint suppression.
|
|
|
|
if (!mDocument)
|
|
return NS_OK;
|
|
|
|
#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
|
|
// Turn scripting back on
|
|
// after PrintPreview had turned it off
|
|
if (GetIsPrintPreview() && mPrintEngine) {
|
|
mPrintEngine->TurnScriptingOn(PR_TRUE);
|
|
}
|
|
#endif
|
|
|
|
#ifdef NS_PRINTING
|
|
// A Close was called while we were printing
|
|
// so don't clear the ScriptGlobalObject
|
|
// or clear the mDocument below
|
|
// Also, do an extra addref to keep the viewer from going away.
|
|
if (mPrintEngine && !mClosingWhilePrinting) {
|
|
mClosingWhilePrinting = PR_TRUE;
|
|
NS_ADDREF_THIS();
|
|
} else
|
|
#endif
|
|
{
|
|
// out of band cleanup of webshell
|
|
mDocument->SetScriptGlobalObject(nsnull);
|
|
|
|
if (!mSHEntry)
|
|
mDocument->Destroy();
|
|
}
|
|
|
|
if (mFocusListener && mDocument) {
|
|
mDocument->RemoveEventListenerByIID(mFocusListener,
|
|
NS_GET_IID(nsIDOMFocusListener));
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
DetachContainerRecurse(nsIDocShell *aShell)
|
|
{
|
|
// Unhook this docshell's presentation
|
|
nsCOMPtr<nsIContentViewer> viewer;
|
|
aShell->GetContentViewer(getter_AddRefs(viewer));
|
|
nsCOMPtr<nsIDocumentViewer> docViewer = do_QueryInterface(viewer);
|
|
if (docViewer) {
|
|
nsCOMPtr<nsIDocument> doc;
|
|
docViewer->GetDocument(getter_AddRefs(doc));
|
|
if (doc) {
|
|
doc->SetContainer(nsnull);
|
|
}
|
|
nsCOMPtr<nsPresContext> pc;
|
|
docViewer->GetPresContext(getter_AddRefs(pc));
|
|
if (pc) {
|
|
pc->SetContainer(nsnull);
|
|
pc->SetLinkHandler(nsnull);
|
|
}
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
docViewer->GetPresShell(getter_AddRefs(presShell));
|
|
if (presShell) {
|
|
presShell->SetForwardingContainer(nsWeakPtr(do_GetWeakReference(aShell)));
|
|
}
|
|
}
|
|
|
|
// Now recurse through the children
|
|
nsCOMPtr<nsIDocShellTreeNode> node = do_QueryInterface(aShell);
|
|
NS_ASSERTION(node, "docshells must implement nsIDocShellTreeNode");
|
|
|
|
PRInt32 childCount;
|
|
node->GetChildCount(&childCount);
|
|
for (PRInt32 i = 0; i < childCount; ++i) {
|
|
nsCOMPtr<nsIDocShellTreeItem> childItem;
|
|
node->GetChildAt(i, getter_AddRefs(childItem));
|
|
DetachContainerRecurse(nsCOMPtr<nsIDocShell>(do_QueryInterface(childItem)));
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::Destroy()
|
|
{
|
|
NS_ASSERTION(mDocument, "No document in Destroy()!");
|
|
|
|
#ifdef NS_PRINTING
|
|
// Here is where we check to see if the docment was still being prepared
|
|
// for printing when it was asked to be destroy from someone externally
|
|
// This usually happens if the document is unloaded while the user is in the Print Dialog
|
|
//
|
|
// So we flip the bool to remember that the document is going away
|
|
// and we can clean up and abort later after returning from the Print Dialog
|
|
if (mPrintEngine) {
|
|
if (mPrintEngine->CheckBeforeDestroy()) {
|
|
return NS_OK;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// Don't let the document get unloaded while we are printing.
|
|
// this could happen if we hit the back button during printing.
|
|
// We also keep the viewer from being cached in session history, since
|
|
// we require all documents there to be sanitized.
|
|
if (mDestroyRefCount != 0) {
|
|
--mDestroyRefCount;
|
|
return NS_OK;
|
|
}
|
|
|
|
// If we were told to put ourselves into session history instead of destroy
|
|
// the presentation, do that now.
|
|
if (mSHEntry) {
|
|
if (mPresShell)
|
|
mPresShell->Freeze();
|
|
|
|
// Make sure the presentation isn't torn down by Hide().
|
|
mSHEntry->SetSticky(mIsSticky);
|
|
mIsSticky = PR_TRUE;
|
|
|
|
PRBool savePresentation = PR_TRUE;
|
|
|
|
// Remove our root view from the view hierarchy.
|
|
if (mPresShell) {
|
|
nsIViewManager *vm = mPresShell->GetViewManager();
|
|
if (vm) {
|
|
nsIView *rootView = nsnull;
|
|
vm->GetRootView(rootView);
|
|
|
|
if (rootView) {
|
|
nsIView *rootViewParent = rootView->GetParent();
|
|
if (rootViewParent) {
|
|
nsIViewManager *parentVM = rootViewParent->GetViewManager();
|
|
if (parentVM) {
|
|
parentVM->RemoveChild(rootView);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Hide();
|
|
|
|
// This is after Hide() so that the user doesn't see the inputs clear.
|
|
if (mDocument) {
|
|
nsresult rv = mDocument->Sanitize();
|
|
if (NS_FAILED(rv)) {
|
|
// If we failed to sanitize, don't save presentation.
|
|
savePresentation = PR_FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
// Reverse ownership. Do this *after* calling sanitize so that sanitize
|
|
// doesn't cause mutations that make the SHEntry drop the presentation
|
|
if (savePresentation) {
|
|
mSHEntry->SetContentViewer(this);
|
|
}
|
|
else {
|
|
mSHEntry->SyncPresentationState();
|
|
}
|
|
nsCOMPtr<nsISHEntry> shEntry = mSHEntry; // we'll need this below
|
|
mSHEntry = nsnull;
|
|
|
|
// Break the link from the document/presentation to the docshell, so that
|
|
// link traversals cannot affect the currently-loaded document.
|
|
// When the presentation is restored, Open() and InitInternal() will reset
|
|
// these pointers to their original values.
|
|
|
|
if (mDocument)
|
|
mDocument->SetContainer(nsnull);
|
|
if (mPresContext) {
|
|
mPresContext->SetLinkHandler(nsnull);
|
|
mPresContext->SetContainer(nsnull);
|
|
}
|
|
if (mPresShell)
|
|
mPresShell->SetForwardingContainer(mContainer);
|
|
|
|
// Do the same for our children. Note that we need to get the child
|
|
// docshells from the SHEntry now; the docshell will have cleared them.
|
|
nsCOMPtr<nsIDocShellTreeItem> item;
|
|
PRInt32 itemIndex = 0;
|
|
while (NS_SUCCEEDED(shEntry->ChildShellAt(itemIndex++,
|
|
getter_AddRefs(item))) && item) {
|
|
DetachContainerRecurse(nsCOMPtr<nsIDocShell>(do_QueryInterface(item)));
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mDocument) {
|
|
mDocument->Destroy();
|
|
mDocument = nsnull;
|
|
}
|
|
|
|
// All callers are supposed to call destroy to break circular
|
|
// references. If we do this stuff in the destructor, the
|
|
// destructor might never be called (especially if we're being
|
|
// used from JS.
|
|
|
|
#ifdef NS_PRINTING
|
|
if (mPrintEngine) {
|
|
#ifdef NS_PRINT_PREVIEW
|
|
PRBool doingPrintPreview;
|
|
mPrintEngine->GetDoingPrintPreview(&doingPrintPreview);
|
|
if (doingPrintPreview) {
|
|
mPrintEngine->FinishPrintPreview();
|
|
}
|
|
#endif
|
|
|
|
mPrintEngine->Destroy();
|
|
mPrintEngine = nsnull;
|
|
}
|
|
#endif
|
|
|
|
// Avoid leaking the old viewer.
|
|
if (mPreviousViewer) {
|
|
mPreviousViewer->Destroy();
|
|
mPreviousViewer = nsnull;
|
|
}
|
|
|
|
if (mDeviceContext) {
|
|
mDeviceContext->FlushFontCache();
|
|
mDeviceContext = nsnull;
|
|
}
|
|
|
|
if (mPresShell) {
|
|
// Break circular reference (or something)
|
|
mPresShell->EndObservingDocument();
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
GetDocumentSelection(getter_AddRefs(selection));
|
|
|
|
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(selection));
|
|
|
|
if (selPrivate && mSelectionListener)
|
|
selPrivate->RemoveSelectionListener(mSelectionListener);
|
|
|
|
mPresShell->Destroy();
|
|
mPresShell = nsnull;
|
|
}
|
|
|
|
if (mPresContext) {
|
|
mPresContext->SetContainer(nsnull);
|
|
mPresContext->SetLinkHandler(nsnull);
|
|
mPresContext = nsnull;
|
|
}
|
|
|
|
mContainer = nsnull;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::Stop(void)
|
|
{
|
|
NS_ASSERTION(mDocument, "Stop called too early or too late");
|
|
if (mDocument) {
|
|
mDocument->StopDocumentLoad();
|
|
}
|
|
|
|
if (mEnableRendering && (mLoaded || mStopped) && mPresContext && !mSHEntry)
|
|
mPresContext->SetImageAnimationMode(imgIContainer::kDontAnimMode);
|
|
|
|
mStopped = PR_TRUE;
|
|
|
|
if (!mLoaded && mPresShell) {
|
|
// Well, we might as well paint what we have so far.
|
|
nsCOMPtr<nsIPresShell> shellDeathGrip(mPresShell); // bug 378682
|
|
mPresShell->UnsuppressPainting();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetDOMDocument(nsIDOMDocument **aResult)
|
|
{
|
|
NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
|
|
return CallQueryInterface(mDocument, aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetDOMDocument(nsIDOMDocument *aDocument)
|
|
{
|
|
// Assumptions:
|
|
//
|
|
// 1) this document viewer has been initialized with a call to Init().
|
|
// 2) the stylesheets associated with the document have been added
|
|
// to the document.
|
|
|
|
// XXX Right now, this method assumes that the layout of the current
|
|
// document hasn't started yet. More cleanup will probably be
|
|
// necessary to make this method work for the case when layout *has*
|
|
// occurred for the current document.
|
|
// That work can happen when and if it is needed.
|
|
|
|
nsresult rv;
|
|
if (!aDocument)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDocument> newDoc = do_QueryInterface(aDocument, &rv);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// Set new container
|
|
nsCOMPtr<nsISupports> container = do_QueryReferent(mContainer);
|
|
newDoc->SetContainer(container);
|
|
|
|
if (mDocument != newDoc) {
|
|
// Replace the old document with the new one. Do this only when
|
|
// the new document really is a new document.
|
|
mDocument = newDoc;
|
|
|
|
// Set the script global object on the new document
|
|
nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(container);
|
|
if (window) {
|
|
window->SetNewDocument(newDoc, nsnull, PR_TRUE);
|
|
}
|
|
|
|
// Clear the list of old child docshells. CChild docshells for the new
|
|
// document will be constructed as frames are created.
|
|
nsCOMPtr<nsIDocShellTreeNode> node = do_QueryInterface(container);
|
|
if (node) {
|
|
PRInt32 count;
|
|
node->GetChildCount(&count);
|
|
for (PRInt32 i = 0; i < count; ++i) {
|
|
nsCOMPtr<nsIDocShellTreeItem> child;
|
|
node->GetChildAt(0, getter_AddRefs(child));
|
|
node->RemoveChild(child);
|
|
}
|
|
}
|
|
}
|
|
|
|
rv = SyncParentSubDocMap();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Replace the current pres shell with a new shell for the new document
|
|
|
|
nsCOMPtr<nsILinkHandler> linkHandler;
|
|
if (mPresShell) {
|
|
if (mPresContext) {
|
|
// Save the linkhandler (nsPresShell::Destroy removes it from
|
|
// mPresContext).
|
|
linkHandler = mPresContext->GetLinkHandler();
|
|
}
|
|
|
|
mPresShell->EndObservingDocument();
|
|
mPresShell->Destroy();
|
|
|
|
mPresShell = nsnull;
|
|
}
|
|
|
|
// And if we're already given a prescontext...
|
|
if (mPresContext) {
|
|
// If we had a linkHandler and it got removed, put it back.
|
|
if (linkHandler) {
|
|
mPresContext->SetLinkHandler(linkHandler);
|
|
}
|
|
|
|
// Create a new style set for the document
|
|
|
|
nsStyleSet *styleSet;
|
|
rv = CreateStyleSet(mDocument, &styleSet);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = newDoc->CreateShell(mPresContext, mViewManager, styleSet,
|
|
getter_AddRefs(mPresShell));
|
|
if (NS_FAILED(rv)) {
|
|
delete styleSet;
|
|
return rv;
|
|
}
|
|
|
|
// We're done creating the style set
|
|
styleSet->EndUpdate();
|
|
|
|
// The pres shell owns the style set now.
|
|
mPresShell->BeginObservingDocument();
|
|
|
|
// Register the focus listener on the new document
|
|
if (mDocument) {
|
|
rv = mDocument->AddEventListenerByIID(mFocusListener,
|
|
NS_GET_IID(nsIDOMFocusListener));
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to register focus listener");
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetUAStyleSheet(nsIStyleSheet* aUAStyleSheet)
|
|
{
|
|
NS_ASSERTION(aUAStyleSheet, "unexpected null pointer");
|
|
nsCOMPtr<nsICSSStyleSheet> sheet(do_QueryInterface(aUAStyleSheet));
|
|
if (sheet) {
|
|
nsCOMPtr<nsICSSStyleSheet> newSheet;
|
|
sheet->Clone(nsnull, nsnull, nsnull, nsnull, getter_AddRefs(newSheet));
|
|
mUAStyleSheet = newSheet;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetDocument(nsIDocument** aResult)
|
|
{
|
|
NS_IF_ADDREF(*aResult = mDocument);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetPresShell(nsIPresShell** aResult)
|
|
{
|
|
NS_IF_ADDREF(*aResult = mPresShell);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetPresContext(nsPresContext** aResult)
|
|
{
|
|
NS_IF_ADDREF(*aResult = mPresContext);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetBounds(nsRect& aResult)
|
|
{
|
|
NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
|
|
NS_PRECONDITION(mWindow, "null window");
|
|
if (mWindow) {
|
|
mWindow->GetBounds(aResult);
|
|
}
|
|
else {
|
|
aResult.SetRect(0, 0, 0, 0);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetPreviousViewer(nsIContentViewer** aViewer)
|
|
{
|
|
*aViewer = mPreviousViewer;
|
|
NS_IF_ADDREF(*aViewer);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetPreviousViewer(nsIContentViewer* aViewer)
|
|
{
|
|
// NOTE: |Show| sets |mPreviousViewer| to null without calling this
|
|
// function.
|
|
|
|
if (aViewer) {
|
|
NS_ASSERTION(!mPreviousViewer,
|
|
"can't set previous viewer when there already is one");
|
|
|
|
// In a multiple chaining situation (which occurs when running a thrashing
|
|
// test like i-bench or jrgm's tests with no delay), we can build up a
|
|
// whole chain of viewers. In order to avoid this, we always set our previous
|
|
// viewer to the MOST previous viewer in the chain, and then dump the intermediate
|
|
// link from the chain. This ensures that at most only 2 documents are alive
|
|
// and undestroyed at any given time (the one that is showing and the one that
|
|
// is loading with painting suppressed).
|
|
nsCOMPtr<nsIContentViewer> prevViewer;
|
|
aViewer->GetPreviousViewer(getter_AddRefs(prevViewer));
|
|
if (prevViewer) {
|
|
aViewer->SetPreviousViewer(nsnull);
|
|
aViewer->Destroy();
|
|
return SetPreviousViewer(prevViewer);
|
|
}
|
|
}
|
|
|
|
mPreviousViewer = aViewer;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetBounds(const nsRect& aBounds)
|
|
{
|
|
NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
|
|
|
|
if (mWindow) {
|
|
// Don't have the widget repaint. Layout will generate repaint requests
|
|
// during reflow
|
|
mWindow->Resize(aBounds.x, aBounds.y, aBounds.width, aBounds.height,
|
|
PR_FALSE);
|
|
}
|
|
|
|
// If there's a previous viewer, it's the one that's actually showing,
|
|
// so be sure to resize it as well so it paints over the right area.
|
|
// This may slow down the performance of the new page load, but resize
|
|
// during load is also probably a relatively unusual condition
|
|
// relating to things being hidden while something is loaded. It so
|
|
// happens that Firefox does this a good bit with its infobar, and it
|
|
// looks ugly if we don't do this.
|
|
if (mPreviousViewer)
|
|
mPreviousViewer->SetBounds(aBounds);
|
|
|
|
#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
|
|
if (GetIsPrintPreview() && !mPrintEngine->GetIsCreatingPrintPreview()) {
|
|
mPrintEngine->GetPrintPreviewWindow()->Resize(aBounds.x, aBounds.y,
|
|
aBounds.width, aBounds.height,
|
|
PR_FALSE);
|
|
}
|
|
#endif
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::Move(PRInt32 aX, PRInt32 aY)
|
|
{
|
|
NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
|
|
NS_PRECONDITION(mWindow, "null window");
|
|
if (mWindow) {
|
|
mWindow->Move(aX, aY);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::Show(void)
|
|
{
|
|
NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
|
|
|
|
// We don't need the previous viewer anymore since we're not
|
|
// displaying it.
|
|
if (mPreviousViewer) {
|
|
// This little dance *may* only be to keep
|
|
// PresShell::EndObservingDocument happy, but I'm not sure.
|
|
nsCOMPtr<nsIContentViewer> prevViewer(mPreviousViewer);
|
|
mPreviousViewer = nsnull;
|
|
prevViewer->Destroy();
|
|
|
|
// Make sure we don't have too many cached ContentViewers
|
|
nsCOMPtr<nsIDocShellTreeItem> treeItem = do_QueryReferent(mContainer);
|
|
if (treeItem) {
|
|
// We need to find the root DocShell since only that object has an
|
|
// SHistory and we need the SHistory to evict content viewers
|
|
nsCOMPtr<nsIDocShellTreeItem> root;
|
|
treeItem->GetSameTypeRootTreeItem(getter_AddRefs(root));
|
|
nsCOMPtr<nsIWebNavigation> webNav = do_QueryInterface(root);
|
|
nsCOMPtr<nsISHistory> history;
|
|
webNav->GetSessionHistory(getter_AddRefs(history));
|
|
nsCOMPtr<nsISHistoryInternal> historyInt = do_QueryInterface(history);
|
|
if (historyInt) {
|
|
PRInt32 prevIndex,loadedIndex;
|
|
nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(treeItem);
|
|
docShell->GetPreviousTransIndex(&prevIndex);
|
|
docShell->GetLoadedTransIndex(&loadedIndex);
|
|
#ifdef DEBUG_PAGE_CACHE
|
|
printf("About to evict content viewers: prev=%d, loaded=%d\n",
|
|
prevIndex, loadedIndex);
|
|
#endif
|
|
historyInt->EvictContentViewers(prevIndex, loadedIndex);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mWindow) {
|
|
mWindow->Show(PR_TRUE);
|
|
}
|
|
|
|
if (mDocument && !mPresShell && !mWindow) {
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsIBaseWindow> base_win(do_QueryReferent(mContainer));
|
|
NS_ENSURE_TRUE(base_win, NS_ERROR_UNEXPECTED);
|
|
|
|
base_win->GetParentWidget(&mParentWidget);
|
|
NS_ENSURE_TRUE(mParentWidget, NS_ERROR_UNEXPECTED);
|
|
mParentWidget->Release(); // GetParentWidget AddRefs, but mParentWidget is weak
|
|
|
|
mDeviceContext = mParentWidget->GetDeviceContext();
|
|
|
|
// Create presentation context
|
|
NS_ASSERTION(!mPresContext, "Shouldn't have a prescontext if we have no shell!");
|
|
mPresContext = new nsPresContext(mDocument, nsPresContext::eContext_Galley);
|
|
NS_ENSURE_TRUE(mPresContext, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
rv = mPresContext->Init(mDeviceContext);
|
|
if (NS_FAILED(rv)) {
|
|
mPresContext = nsnull;
|
|
return rv;
|
|
}
|
|
|
|
nsRect tbounds;
|
|
mParentWidget->GetBounds(tbounds);
|
|
|
|
rv = MakeWindow(mParentWidget, tbounds);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
if (mPresContext && base_win) {
|
|
nsCOMPtr<nsILinkHandler> linkHandler(do_GetInterface(base_win));
|
|
|
|
if (linkHandler) {
|
|
mPresContext->SetLinkHandler(linkHandler);
|
|
}
|
|
|
|
mPresContext->SetContainer(base_win);
|
|
}
|
|
|
|
if (mPresContext) {
|
|
Hide();
|
|
|
|
rv = InitPresentationStuff(PR_TRUE);
|
|
}
|
|
|
|
// If we get here the document load has already started and the
|
|
// window is shown because some JS on the page caused it to be
|
|
// shown...
|
|
|
|
nsCOMPtr<nsIPresShell> shellDeathGrip(mPresShell); // bug 378682
|
|
mPresShell->UnsuppressPainting();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::Hide(void)
|
|
{
|
|
NS_PRECONDITION(mWindow, "null window");
|
|
if (mWindow) {
|
|
mWindow->Show(PR_FALSE);
|
|
}
|
|
|
|
if (!mPresShell)
|
|
return NS_OK;
|
|
|
|
NS_ASSERTION(mPresContext, "Can't have a presshell and no prescontext!");
|
|
|
|
// Avoid leaking the old viewer.
|
|
if (mPreviousViewer) {
|
|
mPreviousViewer->Destroy();
|
|
mPreviousViewer = nsnull;
|
|
}
|
|
|
|
if (mIsSticky) {
|
|
// This window is sticky, that means that it might be shown again
|
|
// and we don't want the presshell n' all that to be thrown away
|
|
// just because the window is hidden.
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mDeviceContext) {
|
|
mDeviceContext->FlushFontCache();
|
|
}
|
|
|
|
// Break circular reference (or something)
|
|
mPresShell->EndObservingDocument();
|
|
nsCOMPtr<nsISelection> selection;
|
|
|
|
GetDocumentSelection(getter_AddRefs(selection));
|
|
|
|
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(selection));
|
|
|
|
if (selPrivate && mSelectionListener) {
|
|
selPrivate->RemoveSelectionListener(mSelectionListener);
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryReferent(mContainer));
|
|
if (docShell) {
|
|
PRBool saveLayoutState = PR_FALSE;
|
|
docShell->GetShouldSaveLayoutState(&saveLayoutState);
|
|
if (saveLayoutState) {
|
|
nsCOMPtr<nsILayoutHistoryState> layoutState;
|
|
mPresShell->CaptureHistoryState(getter_AddRefs(layoutState), PR_TRUE);
|
|
}
|
|
}
|
|
|
|
mPresShell->Destroy();
|
|
// Clear weak refs
|
|
mPresContext->SetContainer(nsnull);
|
|
mPresContext->SetLinkHandler(nsnull);
|
|
|
|
mPresShell = nsnull;
|
|
mPresContext = nsnull;
|
|
mViewManager = nsnull;
|
|
mWindow = nsnull;
|
|
mDeviceContext = nsnull;
|
|
mParentWidget = nsnull;
|
|
|
|
nsCOMPtr<nsIBaseWindow> base_win(do_QueryReferent(mContainer));
|
|
|
|
if (base_win) {
|
|
base_win->SetParentWidget(nsnull);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetEnableRendering(PRBool aOn)
|
|
{
|
|
NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
|
|
mEnableRendering = aOn;
|
|
if (mViewManager) {
|
|
if (aOn) {
|
|
mViewManager->EnableRefresh(NS_VMREFRESH_IMMEDIATE);
|
|
nsIView* view;
|
|
mViewManager->GetRootView(view); // views are not refCounted
|
|
if (view) {
|
|
mViewManager->UpdateView(view, NS_VMREFRESH_IMMEDIATE);
|
|
}
|
|
}
|
|
else {
|
|
mViewManager->DisableRefresh();
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetSticky(PRBool *aSticky)
|
|
{
|
|
*aSticky = mIsSticky;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetSticky(PRBool aSticky)
|
|
{
|
|
mIsSticky = aSticky;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetEnableRendering(PRBool* aResult)
|
|
{
|
|
NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
|
|
NS_PRECONDITION(nsnull != aResult, "null OUT ptr");
|
|
if (aResult) {
|
|
*aResult = mEnableRendering;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::RequestWindowClose(PRBool* aCanClose)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
if (mPrintIsPending || (mPrintEngine && mPrintEngine->GetIsPrinting())) {
|
|
*aCanClose = PR_FALSE;
|
|
mDeferredWindowClose = PR_TRUE;
|
|
} else
|
|
#endif
|
|
*aCanClose = PR_TRUE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(PRBool)
|
|
AppendAgentSheet(nsIStyleSheet *aSheet, void *aData)
|
|
{
|
|
nsStyleSet *styleSet = static_cast<nsStyleSet*>(aData);
|
|
styleSet->AppendStyleSheet(nsStyleSet::eAgentSheet, aSheet);
|
|
return PR_TRUE;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(PRBool)
|
|
PrependUserSheet(nsIStyleSheet *aSheet, void *aData)
|
|
{
|
|
nsStyleSet *styleSet = static_cast<nsStyleSet*>(aData);
|
|
styleSet->PrependStyleSheet(nsStyleSet::eUserSheet, aSheet);
|
|
return PR_TRUE;
|
|
}
|
|
|
|
nsresult
|
|
DocumentViewerImpl::CreateStyleSet(nsIDocument* aDocument,
|
|
nsStyleSet** aStyleSet)
|
|
{
|
|
// Make sure this does the same thing as PresShell::AddSheet wrt ordering.
|
|
|
|
// this should eventually get expanded to allow for creating
|
|
// different sets for different media
|
|
if (!mUAStyleSheet) {
|
|
NS_WARNING("unable to load UA style sheet");
|
|
}
|
|
|
|
nsStyleSet *styleSet = new nsStyleSet();
|
|
if (!styleSet) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
styleSet->BeginUpdate();
|
|
|
|
// The document will fill in the document sheets when we create the presshell
|
|
|
|
// Handle the user sheets.
|
|
nsCOMPtr<nsIDocShellTreeItem> docShell(do_QueryReferent(mContainer));
|
|
PRInt32 shellType;
|
|
docShell->GetItemType(&shellType);
|
|
nsICSSStyleSheet* sheet = nsnull;
|
|
if (shellType == nsIDocShellTreeItem::typeChrome) {
|
|
sheet = nsLayoutStylesheetCache::UserChromeSheet();
|
|
}
|
|
else {
|
|
sheet = nsLayoutStylesheetCache::UserContentSheet();
|
|
}
|
|
|
|
if (sheet)
|
|
styleSet->AppendStyleSheet(nsStyleSet::eUserSheet, sheet);
|
|
|
|
// Append chrome sheets (scrollbars + forms).
|
|
PRBool shouldOverride = PR_FALSE;
|
|
nsCOMPtr<nsIDocShell> ds(do_QueryInterface(docShell));
|
|
nsCOMPtr<nsIDOMEventTarget> chromeHandler;
|
|
nsCOMPtr<nsIURI> uri;
|
|
nsCOMPtr<nsICSSStyleSheet> csssheet;
|
|
|
|
ds->GetChromeEventHandler(getter_AddRefs(chromeHandler));
|
|
if (chromeHandler) {
|
|
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(chromeHandler));
|
|
nsCOMPtr<nsIContent> content(do_QueryInterface(elt));
|
|
if (elt && content) {
|
|
nsCOMPtr<nsIURI> baseURI = content->GetBaseURI();
|
|
|
|
nsAutoString sheets;
|
|
elt->GetAttribute(NS_LITERAL_STRING("usechromesheets"), sheets);
|
|
if (!sheets.IsEmpty() && baseURI) {
|
|
nsCOMPtr<nsICSSLoader> cssLoader;
|
|
NS_NewCSSLoader(getter_AddRefs(cssLoader));
|
|
|
|
char *str = ToNewCString(sheets);
|
|
char *newStr = str;
|
|
char *token;
|
|
while ( (token = nsCRT::strtok(newStr, ", ", &newStr)) ) {
|
|
NS_NewURI(getter_AddRefs(uri), nsDependentCString(token), nsnull,
|
|
baseURI);
|
|
if (!uri) continue;
|
|
|
|
cssLoader->LoadSheetSync(uri, getter_AddRefs(csssheet));
|
|
if (!sheet) continue;
|
|
|
|
styleSet->PrependStyleSheet(nsStyleSet::eAgentSheet, csssheet);
|
|
shouldOverride = PR_TRUE;
|
|
}
|
|
nsMemory::Free(str);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!shouldOverride) {
|
|
sheet = nsLayoutStylesheetCache::ScrollbarsSheet();
|
|
if (sheet) {
|
|
styleSet->PrependStyleSheet(nsStyleSet::eAgentSheet, sheet);
|
|
}
|
|
}
|
|
|
|
sheet = nsLayoutStylesheetCache::FormsSheet();
|
|
if (sheet) {
|
|
styleSet->PrependStyleSheet(nsStyleSet::eAgentSheet, sheet);
|
|
}
|
|
|
|
if (mUAStyleSheet) {
|
|
styleSet->PrependStyleSheet(nsStyleSet::eAgentSheet, mUAStyleSheet);
|
|
}
|
|
|
|
nsCOMPtr<nsIStyleSheetService> dummy =
|
|
do_GetService(NS_STYLESHEETSERVICE_CONTRACTID);
|
|
|
|
nsStyleSheetService *sheetService = nsStyleSheetService::gInstance;
|
|
if (sheetService) {
|
|
sheetService->AgentStyleSheets()->EnumerateForwards(AppendAgentSheet,
|
|
styleSet);
|
|
sheetService->UserStyleSheets()->EnumerateBackwards(PrependUserSheet,
|
|
styleSet);
|
|
}
|
|
|
|
// Caller will handle calling EndUpdate, per contract.
|
|
*aStyleSet = styleSet;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::ClearHistoryEntry()
|
|
{
|
|
mSHEntry = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
|
|
nsresult
|
|
DocumentViewerImpl::MakeWindow(nsIWidget* aParentWidget,
|
|
const nsRect& aBounds)
|
|
{
|
|
nsresult rv;
|
|
|
|
mViewManager = do_CreateInstance(kViewManagerCID, &rv);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsIDeviceContext *dx = mPresContext->DeviceContext();
|
|
|
|
nsRect tbounds = aBounds;
|
|
tbounds *= mPresContext->AppUnitsPerDevPixel();
|
|
|
|
// Initialize the view manager with an offset. This allows the viewmanager
|
|
// to manage a coordinate space offset from (0,0)
|
|
rv = mViewManager->Init(dx);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// Reset the bounds offset so the root view is set to 0,0. The
|
|
// offset is specified in nsIViewManager::Init above.
|
|
// Besides, layout will reset the root view to (0,0) during reflow,
|
|
// so changing it to 0,0 eliminates placing the root view in the
|
|
// wrong place initially.
|
|
tbounds.x = 0;
|
|
tbounds.y = 0;
|
|
|
|
// Create a child window of the parent that is our "root view/window"
|
|
// if aParentWidget has a view, we'll hook our view manager up to its view tree
|
|
nsIView* containerView = nsIView::GetViewFor(aParentWidget);
|
|
|
|
if (containerView) {
|
|
// see if the containerView has already been hooked into a foreign view manager hierarchy
|
|
// if it has, then we have to hook into the hierarchy too otherwise bad things will happen.
|
|
nsIViewManager* containerVM = containerView->GetViewManager();
|
|
nsIView* pView = containerView;
|
|
do {
|
|
pView = pView->GetParent();
|
|
} while (pView && pView->GetViewManager() == containerVM);
|
|
|
|
if (!pView) {
|
|
// OK, so the container is not already hooked up into a foreign view manager hierarchy.
|
|
// That means we can choose not to hook ourselves up.
|
|
//
|
|
// If the parent container is a chrome shell then we won't hook into its view
|
|
// tree. This will improve performance a little bit (especially given scrolling/painting perf bugs)
|
|
// but is really just for peace of mind. This check can be removed if we want to support fancy
|
|
// chrome effects like transparent controls floating over content, transparent Web browsers, and
|
|
// things like that, and the perf bugs are fixed.
|
|
nsCOMPtr<nsIDocShellTreeItem> container(do_QueryReferent(mContainer));
|
|
nsCOMPtr<nsIDocShellTreeItem> parentContainer;
|
|
PRInt32 itemType;
|
|
if (nsnull == container
|
|
|| NS_FAILED(container->GetParent(getter_AddRefs(parentContainer)))
|
|
|| nsnull == parentContainer
|
|
|| NS_FAILED(parentContainer->GetItemType(&itemType))
|
|
|| itemType != nsIDocShellTreeItem::typeContent) {
|
|
containerView = nsnull;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Create a view
|
|
nsIView* view = mViewManager->CreateView(tbounds, containerView);
|
|
if (!view)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
// pass in a native widget to be the parent widget ONLY if the view hierarchy will stand alone.
|
|
// otherwise the view will find its own parent widget and "do the right thing" to
|
|
// establish a parent/child widget relationship
|
|
rv = view->CreateWidget(kWidgetCID, nsnull,
|
|
containerView != nsnull ? nsnull : aParentWidget->GetNativeData(NS_NATIVE_WIDGET),
|
|
PR_TRUE, PR_FALSE);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// Setup hierarchical relationship in view manager
|
|
mViewManager->SetRootView(view);
|
|
|
|
mWindow = view->GetWidget();
|
|
|
|
// This SetFocus is necessary so the Arrow Key and Page Key events
|
|
// go to the scrolled view as soon as the Window is created instead of going to
|
|
// the browser window (this enables keyboard scrolling of the document)
|
|
// mWindow->SetFocus();
|
|
|
|
return rv;
|
|
}
|
|
|
|
// Return the selection for the document. Note that text fields have their
|
|
// own selection, which cannot be accessed with this method. Use
|
|
// mPresShell->GetSelectionForCopy() instead.
|
|
nsresult DocumentViewerImpl::GetDocumentSelection(nsISelection **aSelection)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aSelection);
|
|
if (!mPresShell) {
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
}
|
|
|
|
nsCOMPtr<nsISelectionController> selcon;
|
|
selcon = do_QueryInterface(mPresShell);
|
|
if (selcon)
|
|
return selcon->GetSelection(nsISelectionController::SELECTION_NORMAL,
|
|
aSelection);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
/* ========================================================================================
|
|
* nsIContentViewerEdit
|
|
* ======================================================================================== */
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::Search()
|
|
{
|
|
// Nothing to do here.
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetSearchable(PRBool *aSearchable)
|
|
{
|
|
// Nothing to do here.
|
|
*aSearchable = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::ClearSelection()
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsISelection> selection;
|
|
|
|
// use mPresShell->GetSelectionForCopy() ?
|
|
rv = GetDocumentSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
return selection->CollapseToStart();
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::SelectAll()
|
|
{
|
|
// XXX this is a temporary implementation copied from nsWebShell
|
|
// for now. I think nsDocument and friends should have some helper
|
|
// functions to make this easier.
|
|
nsCOMPtr<nsISelection> selection;
|
|
nsresult rv;
|
|
|
|
// use mPresShell->GetSelectionForCopy() ?
|
|
rv = GetDocumentSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsIDOMHTMLDocument> htmldoc = do_QueryInterface(mDocument);
|
|
nsCOMPtr<nsIDOMNode> bodyNode;
|
|
|
|
if (htmldoc)
|
|
{
|
|
nsCOMPtr<nsIDOMHTMLElement>bodyElement;
|
|
rv = htmldoc->GetBody(getter_AddRefs(bodyElement));
|
|
if (NS_FAILED(rv) || !bodyElement) return rv;
|
|
|
|
bodyNode = do_QueryInterface(bodyElement);
|
|
}
|
|
else if (mDocument)
|
|
{
|
|
bodyNode = do_QueryInterface(mDocument->GetRootContent());
|
|
}
|
|
if (!bodyNode) return NS_ERROR_FAILURE;
|
|
|
|
rv = selection->RemoveAllRanges();
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = selection->SelectAllChildren(bodyNode);
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::CopySelection()
|
|
{
|
|
PRBool preventDefault;
|
|
nsresult rv = FireClipboardEvent(NS_COPY, &preventDefault);
|
|
if (NS_FAILED(rv) || preventDefault)
|
|
return rv;
|
|
|
|
return mPresShell->DoCopy();
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::CopyLinkLocation()
|
|
{
|
|
NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED);
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
GetPopupLinkNode(getter_AddRefs(node));
|
|
// make noise if we're not in a link
|
|
NS_ENSURE_TRUE(node, NS_ERROR_FAILURE);
|
|
|
|
nsAutoString locationText;
|
|
nsresult rv = mPresShell->GetLinkLocation(node, locationText);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIClipboardHelper> clipboard(do_GetService("@mozilla.org/widget/clipboardhelper;1", &rv));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// copy the href onto the clipboard
|
|
return clipboard->CopyString(locationText);
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::CopyImage(PRInt32 aCopyFlags)
|
|
{
|
|
NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED);
|
|
nsCOMPtr<nsIImageLoadingContent> node;
|
|
GetPopupImageNode(getter_AddRefs(node));
|
|
// make noise if we're not in an image
|
|
NS_ENSURE_TRUE(node, NS_ERROR_FAILURE);
|
|
|
|
return nsCopySupport::ImageCopy(node, aCopyFlags);
|
|
}
|
|
|
|
nsresult DocumentViewerImpl::GetClipboardEventTarget(nsIDOMNode** aEventTarget)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aEventTarget);
|
|
*aEventTarget = nsnull;
|
|
|
|
if (!mPresShell)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
nsCOMPtr<nsISelection> sel;
|
|
nsresult rv = mPresShell->GetSelectionForCopy(getter_AddRefs(sel));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
if (!sel)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return nsCopySupport::GetClipboardEventTarget(sel, aEventTarget);
|
|
}
|
|
|
|
nsresult DocumentViewerImpl::FireClipboardEvent(PRUint32 msg,
|
|
PRBool* aPreventDefault)
|
|
{
|
|
*aPreventDefault = PR_FALSE;
|
|
|
|
NS_ENSURE_TRUE(mPresContext, NS_ERROR_NOT_INITIALIZED);
|
|
NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED);
|
|
|
|
// It seems to be unsafe to fire an event handler during reflow (bug 393696)
|
|
PRBool isReflowing = PR_TRUE;
|
|
nsresult rv = mPresShell->IsReflowLocked(&isReflowing);
|
|
if (NS_FAILED(rv) || isReflowing)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMNode> eventTarget;
|
|
rv = GetClipboardEventTarget(getter_AddRefs(eventTarget));
|
|
if (NS_FAILED(rv))
|
|
// On failure to get event target, just forget about it and don't fire.
|
|
return NS_OK;
|
|
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
nsEvent evt(PR_TRUE, msg);
|
|
nsEventDispatcher::Dispatch(eventTarget, mPresContext, &evt, nsnull,
|
|
&status);
|
|
// if event handler return'd false (PreventDefault)
|
|
if (status == nsEventStatus_eConsumeNoDefault)
|
|
*aPreventDefault = PR_TRUE;
|
|
|
|
// Ensure that the calling function can use mPresShell -- if the event
|
|
// handler closed this window, mPresShell will be gone.
|
|
NS_ENSURE_STATE(mPresShell);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetCopyable(PRBool *aCopyable)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aCopyable);
|
|
*aCopyable = PR_FALSE;
|
|
|
|
nsresult rv = FireClipboardEvent(NS_BEFORECOPY, aCopyable);
|
|
if (NS_FAILED(rv) || *aCopyable)
|
|
return rv;
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
rv = mPresShell->GetSelectionForCopy(getter_AddRefs(selection));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
PRBool isCollapsed;
|
|
selection->GetIsCollapsed(&isCollapsed);
|
|
|
|
*aCopyable = !isCollapsed;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::CutSelection()
|
|
{
|
|
// preventDefault's value is ignored because cut from the document has no
|
|
// default behaviour.
|
|
PRBool preventDefault;
|
|
return FireClipboardEvent(NS_CUT, &preventDefault);
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetCutable(PRBool *aCutable)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aCutable);
|
|
*aCutable = PR_FALSE;
|
|
|
|
// If event handler requests to prevent default behavior, enable
|
|
// the cut command -- pass aCutable in as aPreventDefault.
|
|
return FireClipboardEvent(NS_BEFORECUT, aCutable);
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::Paste()
|
|
{
|
|
// preventDefault's value is ignored because paste into the document has no
|
|
// default behaviour.
|
|
PRBool preventDefault;
|
|
return FireClipboardEvent(NS_PASTE, &preventDefault);
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetPasteable(PRBool *aPasteable)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aPasteable);
|
|
*aPasteable = PR_FALSE;
|
|
|
|
// If event handler requests to prevent default behavior, enable
|
|
// the paste command -- pass aPasteable in as aPreventDefault.
|
|
return FireClipboardEvent(NS_BEFOREPASTE, aPasteable);
|
|
}
|
|
|
|
/* AString getContents (in string mimeType, in boolean selectionOnly); */
|
|
NS_IMETHODIMP DocumentViewerImpl::GetContents(const char *mimeType, PRBool selectionOnly, nsAString& aOutValue)
|
|
{
|
|
NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED);
|
|
return mPresShell->DoGetContents(nsDependentCString(mimeType), 0, selectionOnly, aOutValue);
|
|
}
|
|
|
|
/* readonly attribute boolean canGetContents; */
|
|
NS_IMETHODIMP DocumentViewerImpl::GetCanGetContents(PRBool *aCanGetContents)
|
|
{
|
|
return GetCopyable(aCanGetContents);
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
/* ========================================================================================
|
|
* nsIContentViewerFile
|
|
* ======================================================================================== */
|
|
/** ---------------------------------------------------
|
|
* See documentation above in the nsIContentViewerfile class definition
|
|
* @update 01/24/00 dwc
|
|
*/
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::Print(PRBool aSilent,
|
|
FILE * aDebugFile,
|
|
nsIPrintSettings* aPrintSettings)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
nsCOMPtr<nsIPrintSettings> printSettings;
|
|
|
|
#ifdef NS_DEBUG
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
mDebugFile = aDebugFile;
|
|
// if they don't pass in a PrintSettings, then make one
|
|
// it will have all the default values
|
|
printSettings = aPrintSettings;
|
|
nsCOMPtr<nsIPrintOptions> printOptions = do_GetService(sPrintOptionsContractID, &rv);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// if they don't pass in a PrintSettings, then make one
|
|
if (printSettings == nsnull) {
|
|
printOptions->CreatePrintSettings(getter_AddRefs(printSettings));
|
|
}
|
|
NS_ASSERTION(printSettings, "You can't PrintPreview without a PrintSettings!");
|
|
}
|
|
if (printSettings) printSettings->SetPrintSilent(aSilent);
|
|
if (printSettings) printSettings->SetShowPrintProgress(PR_FALSE);
|
|
#endif
|
|
|
|
|
|
return Print(printSettings, nsnull);
|
|
#else
|
|
return NS_ERROR_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
/* [noscript] void printWithParent (in nsIDOMWindowInternal aParentWin, in nsIPrintSettings aThePrintSettings, in nsIWebProgressListener aWPListener); */
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::PrintWithParent(nsIDOMWindowInternal *aParentWin, nsIPrintSettings *aThePrintSettings, nsIWebProgressListener *aWPListener)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
return Print(aThePrintSettings, aWPListener);
|
|
#else
|
|
return NS_ERROR_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
// nsIContentViewerFile interface
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetPrintable(PRBool *aPrintable)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aPrintable);
|
|
|
|
*aPrintable = !GetIsPrinting();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//*****************************************************************************
|
|
// nsIMarkupDocumentViewer
|
|
//*****************************************************************************
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::ScrollToNode(nsIDOMNode* aNode)
|
|
{
|
|
NS_ENSURE_ARG(aNode);
|
|
NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
NS_ENSURE_SUCCESS(GetPresShell(getter_AddRefs(presShell)), NS_ERROR_FAILURE);
|
|
|
|
// Get the nsIContent interface, because that's what we need to
|
|
// get the primary frame
|
|
|
|
nsCOMPtr<nsIContent> content(do_QueryInterface(aNode));
|
|
NS_ENSURE_TRUE(content, NS_ERROR_FAILURE);
|
|
|
|
// Tell the PresShell to scroll to the primary frame of the content.
|
|
NS_ENSURE_SUCCESS(presShell->ScrollContentIntoView(content,
|
|
NS_PRESSHELL_SCROLL_TOP,
|
|
NS_PRESSHELL_SCROLL_ANYWHERE),
|
|
NS_ERROR_FAILURE);
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
DocumentViewerImpl::CallChildren(CallChildFunc aFunc, void* aClosure)
|
|
{
|
|
nsCOMPtr<nsIDocShellTreeNode> docShellNode(do_QueryReferent(mContainer));
|
|
if (docShellNode)
|
|
{
|
|
PRInt32 i;
|
|
PRInt32 n;
|
|
docShellNode->GetChildCount(&n);
|
|
for (i=0; i < n; i++)
|
|
{
|
|
nsCOMPtr<nsIDocShellTreeItem> child;
|
|
docShellNode->GetChildAt(i, getter_AddRefs(child));
|
|
nsCOMPtr<nsIDocShell> childAsShell(do_QueryInterface(child));
|
|
NS_ASSERTION(childAsShell, "null child in docshell");
|
|
if (childAsShell)
|
|
{
|
|
nsCOMPtr<nsIContentViewer> childCV;
|
|
childAsShell->GetContentViewer(getter_AddRefs(childCV));
|
|
if (childCV)
|
|
{
|
|
nsCOMPtr<nsIMarkupDocumentViewer> markupCV = do_QueryInterface(childCV);
|
|
if (markupCV) {
|
|
(*aFunc)(markupCV, aClosure);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
struct ZoomInfo
|
|
{
|
|
float mZoom;
|
|
};
|
|
|
|
static void
|
|
SetChildTextZoom(nsIMarkupDocumentViewer* aChild, void* aClosure)
|
|
{
|
|
struct ZoomInfo* ZoomInfo = (struct ZoomInfo*) aClosure;
|
|
aChild->SetTextZoom(ZoomInfo->mZoom);
|
|
}
|
|
|
|
static void
|
|
SetChildFullZoom(nsIMarkupDocumentViewer* aChild, void* aClosure)
|
|
{
|
|
struct ZoomInfo* ZoomInfo = (struct ZoomInfo*) aClosure;
|
|
aChild->SetFullZoom(ZoomInfo->mZoom);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetTextZoom(float aTextZoom)
|
|
{
|
|
mTextZoom = aTextZoom;
|
|
|
|
if (mViewManager) {
|
|
mViewManager->BeginUpdateViewBatch();
|
|
}
|
|
|
|
// Set the text zoom on all children of mContainer (even if our zoom didn't
|
|
// change, our children's zoom may be different, though it would be unusual).
|
|
// Do this first, in case kids are auto-sizing and post reflow commands on
|
|
// our presshell (which should be subsumed into our own style change reflow).
|
|
struct ZoomInfo ZoomInfo = { aTextZoom };
|
|
CallChildren(SetChildTextZoom, &ZoomInfo);
|
|
|
|
// Now change our own zoom
|
|
if (mPresContext && aTextZoom != mPresContext->TextZoom()) {
|
|
mPresContext->SetTextZoom(aTextZoom);
|
|
}
|
|
|
|
if (mViewManager) {
|
|
mViewManager->EndUpdateViewBatch(NS_VMREFRESH_NO_SYNC);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetTextZoom(float* aTextZoom)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aTextZoom);
|
|
NS_ASSERTION(!mPresContext || mPresContext->TextZoom() == mTextZoom,
|
|
"mPresContext->TextZoom() != mTextZoom");
|
|
|
|
*aTextZoom = mTextZoom;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetFullZoom(float aFullZoom)
|
|
{
|
|
mPageZoom = aFullZoom;
|
|
struct ZoomInfo ZoomInfo = { aFullZoom };
|
|
CallChildren(SetChildFullZoom, &ZoomInfo);
|
|
if (mPresContext) {
|
|
mPresContext->SetFullZoom(aFullZoom);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetFullZoom(float* aFullZoom)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aFullZoom);
|
|
NS_ASSERTION(!mPresContext || mPresContext->GetFullZoom() == mPageZoom,
|
|
"mPresContext->GetFullZoom() != mPageZoom");
|
|
*aFullZoom = mPresContext ? mPresContext->GetFullZoom() : 1.0f;
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
SetChildAuthorStyleDisabled(nsIMarkupDocumentViewer* aChild, void* aClosure)
|
|
{
|
|
PRBool styleDisabled = *static_cast<PRBool*>(aClosure);
|
|
aChild->SetAuthorStyleDisabled(styleDisabled);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetAuthorStyleDisabled(PRBool aStyleDisabled)
|
|
{
|
|
if (mPresShell) {
|
|
mPresShell->SetAuthorStyleDisabled(aStyleDisabled);
|
|
}
|
|
CallChildren(SetChildAuthorStyleDisabled, &aStyleDisabled);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetAuthorStyleDisabled(PRBool* aStyleDisabled)
|
|
{
|
|
if (mPresShell) {
|
|
*aStyleDisabled = mPresShell->GetAuthorStyleDisabled();
|
|
} else {
|
|
*aStyleDisabled = PR_FALSE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetDefaultCharacterSet(nsACString& aDefaultCharacterSet)
|
|
{
|
|
NS_ENSURE_STATE(nsCOMPtr<nsISupports>(do_QueryReferent(mContainer)));
|
|
|
|
if (mDefaultCharacterSet.IsEmpty())
|
|
{
|
|
const nsAdoptingString& defCharset =
|
|
nsContentUtils::GetLocalizedStringPref("intl.charset.default");
|
|
|
|
if (!defCharset.IsEmpty())
|
|
LossyCopyUTF16toASCII(defCharset, mDefaultCharacterSet);
|
|
else
|
|
mDefaultCharacterSet.AssignLiteral("ISO-8859-1");
|
|
}
|
|
aDefaultCharacterSet = mDefaultCharacterSet;
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
SetChildDefaultCharacterSet(nsIMarkupDocumentViewer* aChild, void* aClosure)
|
|
{
|
|
const nsACString* charset = static_cast<nsACString*>(aClosure);
|
|
aChild->SetDefaultCharacterSet(*charset);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetDefaultCharacterSet(const nsACString& aDefaultCharacterSet)
|
|
{
|
|
mDefaultCharacterSet = aDefaultCharacterSet; // this does a copy of aDefaultCharacterSet
|
|
// now set the default char set on all children of mContainer
|
|
CallChildren(SetChildDefaultCharacterSet, (void*) &aDefaultCharacterSet);
|
|
return NS_OK;
|
|
}
|
|
|
|
// XXX: SEMANTIC CHANGE!
|
|
// returns a copy of the string. Caller is responsible for freeing result
|
|
// using Recycle(aForceCharacterSet)
|
|
NS_IMETHODIMP DocumentViewerImpl::GetForceCharacterSet(nsACString& aForceCharacterSet)
|
|
{
|
|
aForceCharacterSet = mForceCharacterSet;
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
SetChildForceCharacterSet(nsIMarkupDocumentViewer* aChild, void* aClosure)
|
|
{
|
|
const nsACString* charset = static_cast<nsACString*>(aClosure);
|
|
aChild->SetForceCharacterSet(*charset);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetForceCharacterSet(const nsACString& aForceCharacterSet)
|
|
{
|
|
mForceCharacterSet = aForceCharacterSet;
|
|
// now set the force char set on all children of mContainer
|
|
CallChildren(SetChildForceCharacterSet, (void*) &aForceCharacterSet);
|
|
return NS_OK;
|
|
}
|
|
|
|
// XXX: SEMANTIC CHANGE!
|
|
// returns a copy of the string. Caller is responsible for freeing result
|
|
// using Recycle(aHintCharacterSet)
|
|
NS_IMETHODIMP DocumentViewerImpl::GetHintCharacterSet(nsACString& aHintCharacterSet)
|
|
{
|
|
|
|
if(kCharsetUninitialized == mHintCharsetSource) {
|
|
aHintCharacterSet.Truncate();
|
|
} else {
|
|
aHintCharacterSet = mHintCharset;
|
|
// this can't possibly be right. we can't set a value just because somebody got a related value!
|
|
//mHintCharsetSource = kCharsetUninitialized;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetHintCharacterSetSource(PRInt32 *aHintCharacterSetSource)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aHintCharacterSetSource);
|
|
|
|
*aHintCharacterSetSource = mHintCharsetSource;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetPrevDocCharacterSet(nsACString& aPrevDocCharacterSet)
|
|
{
|
|
aPrevDocCharacterSet = mPrevDocCharacterSet;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
SetChildPrevDocCharacterSet(nsIMarkupDocumentViewer* aChild, void* aClosure)
|
|
{
|
|
const nsACString* charset = static_cast<nsACString*>(aClosure);
|
|
aChild->SetPrevDocCharacterSet(*charset);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetPrevDocCharacterSet(const nsACString& aPrevDocCharacterSet)
|
|
{
|
|
mPrevDocCharacterSet = aPrevDocCharacterSet;
|
|
CallChildren(SetChildPrevDocCharacterSet, (void*) &aPrevDocCharacterSet);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
static void
|
|
SetChildHintCharacterSetSource(nsIMarkupDocumentViewer* aChild, void* aClosure)
|
|
{
|
|
aChild->SetHintCharacterSetSource(NS_PTR_TO_INT32(aClosure));
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetHintCharacterSetSource(PRInt32 aHintCharacterSetSource)
|
|
{
|
|
mHintCharsetSource = aHintCharacterSetSource;
|
|
// now set the hint char set source on all children of mContainer
|
|
CallChildren(SetChildHintCharacterSetSource,
|
|
(void*) aHintCharacterSetSource);
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
SetChildHintCharacterSet(nsIMarkupDocumentViewer* aChild, void* aClosure)
|
|
{
|
|
const nsACString* charset = static_cast<nsACString*>(aClosure);
|
|
aChild->SetHintCharacterSet(*charset);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::SetHintCharacterSet(const nsACString& aHintCharacterSet)
|
|
{
|
|
mHintCharset = aHintCharacterSet;
|
|
// now set the hint char set on all children of mContainer
|
|
CallChildren(SetChildHintCharacterSet, (void*) &aHintCharacterSet);
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
SetChildBidiOptions(nsIMarkupDocumentViewer* aChild, void* aClosure)
|
|
{
|
|
aChild->SetBidiOptions(NS_PTR_TO_INT32(aClosure));
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::SetBidiTextDirection(PRUint8 aTextDirection)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
GetBidiOptions(&bidiOptions);
|
|
SET_BIDI_OPTION_DIRECTION(bidiOptions, aTextDirection);
|
|
SetBidiOptions(bidiOptions);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetBidiTextDirection(PRUint8* aTextDirection)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
if (aTextDirection) {
|
|
GetBidiOptions(&bidiOptions);
|
|
*aTextDirection = GET_BIDI_OPTION_DIRECTION(bidiOptions);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::SetBidiTextType(PRUint8 aTextType)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
GetBidiOptions(&bidiOptions);
|
|
SET_BIDI_OPTION_TEXTTYPE(bidiOptions, aTextType);
|
|
SetBidiOptions(bidiOptions);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetBidiTextType(PRUint8* aTextType)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
if (aTextType) {
|
|
GetBidiOptions(&bidiOptions);
|
|
*aTextType = GET_BIDI_OPTION_TEXTTYPE(bidiOptions);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::SetBidiControlsTextMode(PRUint8 aControlsTextMode)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
GetBidiOptions(&bidiOptions);
|
|
SET_BIDI_OPTION_CONTROLSTEXTMODE(bidiOptions, aControlsTextMode);
|
|
SetBidiOptions(bidiOptions);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetBidiControlsTextMode(PRUint8* aControlsTextMode)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
if (aControlsTextMode) {
|
|
GetBidiOptions(&bidiOptions);
|
|
*aControlsTextMode = GET_BIDI_OPTION_CONTROLSTEXTMODE(bidiOptions);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::SetBidiNumeral(PRUint8 aNumeral)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
GetBidiOptions(&bidiOptions);
|
|
SET_BIDI_OPTION_NUMERAL(bidiOptions, aNumeral);
|
|
SetBidiOptions(bidiOptions);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetBidiNumeral(PRUint8* aNumeral)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
if (aNumeral) {
|
|
GetBidiOptions(&bidiOptions);
|
|
*aNumeral = GET_BIDI_OPTION_NUMERAL(bidiOptions);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::SetBidiSupport(PRUint8 aSupport)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
GetBidiOptions(&bidiOptions);
|
|
SET_BIDI_OPTION_SUPPORT(bidiOptions, aSupport);
|
|
SetBidiOptions(bidiOptions);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetBidiSupport(PRUint8* aSupport)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
if (aSupport) {
|
|
GetBidiOptions(&bidiOptions);
|
|
*aSupport = GET_BIDI_OPTION_SUPPORT(bidiOptions);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::SetBidiCharacterSet(PRUint8 aCharacterSet)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
GetBidiOptions(&bidiOptions);
|
|
SET_BIDI_OPTION_CHARACTERSET(bidiOptions, aCharacterSet);
|
|
SetBidiOptions(bidiOptions);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetBidiCharacterSet(PRUint8* aCharacterSet)
|
|
{
|
|
PRUint32 bidiOptions;
|
|
|
|
if (aCharacterSet) {
|
|
GetBidiOptions(&bidiOptions);
|
|
*aCharacterSet = GET_BIDI_OPTION_CHARACTERSET(bidiOptions);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::SetBidiOptions(PRUint32 aBidiOptions)
|
|
{
|
|
if (mPresContext) {
|
|
mPresContext->SetBidi(aBidiOptions, PR_TRUE); // could cause reflow
|
|
}
|
|
// now set bidi on all children of mContainer
|
|
CallChildren(SetChildBidiOptions, (void*) aBidiOptions);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetBidiOptions(PRUint32* aBidiOptions)
|
|
{
|
|
if (aBidiOptions) {
|
|
if (mPresContext) {
|
|
*aBidiOptions = mPresContext->GetBidi();
|
|
}
|
|
else
|
|
*aBidiOptions = IBMBIDI_DEFAULT_BIDI_OPTIONS;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::SizeToContent()
|
|
{
|
|
NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(do_QueryReferent(mContainer));
|
|
NS_ENSURE_TRUE(docShellAsItem, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> docShellParent;
|
|
docShellAsItem->GetSameTypeParent(getter_AddRefs(docShellParent));
|
|
|
|
// It's only valid to access this from a top frame. Doesn't work from
|
|
// sub-frames.
|
|
NS_ENSURE_TRUE(!docShellParent, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
GetPresShell(getter_AddRefs(presShell));
|
|
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
|
|
|
|
// Flush out all content and style updates. We can't use a resize reflow
|
|
// because it won't change some sizes that a style change reflow will.
|
|
mDocument->FlushPendingNotifications(Flush_Layout);
|
|
|
|
nsIFrame *root = presShell->GetRootFrame();
|
|
NS_ENSURE_TRUE(root, NS_ERROR_FAILURE);
|
|
|
|
nscoord prefWidth;
|
|
{
|
|
nsCOMPtr<nsIRenderingContext> rcx;
|
|
presShell->CreateRenderingContext(root, getter_AddRefs(rcx));
|
|
NS_ENSURE_TRUE(rcx, NS_ERROR_FAILURE);
|
|
prefWidth = root->GetPrefWidth(rcx);
|
|
}
|
|
|
|
nsresult rv = presShell->ResizeReflow(prefWidth, NS_UNCONSTRAINEDSIZE);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsPresContext> presContext;
|
|
GetPresContext(getter_AddRefs(presContext));
|
|
NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
|
|
|
|
PRInt32 width, height;
|
|
|
|
// so how big is it?
|
|
nsRect shellArea = presContext->GetVisibleArea();
|
|
if (shellArea.width == NS_UNCONSTRAINEDSIZE ||
|
|
shellArea.height == NS_UNCONSTRAINEDSIZE) {
|
|
// Protect against bogus returns here
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
width = presContext->AppUnitsToDevPixels(shellArea.width);
|
|
height = presContext->AppUnitsToDevPixels(shellArea.height);
|
|
|
|
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
|
|
docShellAsItem->GetTreeOwner(getter_AddRefs(treeOwner));
|
|
NS_ENSURE_TRUE(treeOwner, NS_ERROR_FAILURE);
|
|
|
|
/* presContext's size was calculated in twips and has already been
|
|
rounded to the equivalent pixels (so the width/height calculation
|
|
we just performed was probably exact, though it was based on
|
|
values already rounded during ResizeReflow). In a surprising
|
|
number of instances, this rounding makes a window which for want
|
|
of one extra pixel's width ends up wrapping the longest line of
|
|
text during actual window layout. This makes the window too short,
|
|
generally clipping the OK/Cancel buttons. Here we add one pixel
|
|
to the calculated width, to circumvent this problem. */
|
|
NS_ENSURE_SUCCESS(treeOwner->SizeShellTo(docShellAsItem, width+1, height),
|
|
NS_ERROR_FAILURE);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMPL_ISUPPORTS1(nsDocViewerSelectionListener, nsISelectionListener)
|
|
|
|
nsresult nsDocViewerSelectionListener::Init(DocumentViewerImpl *aDocViewer)
|
|
{
|
|
mDocViewer = aDocViewer;
|
|
return NS_OK;
|
|
}
|
|
|
|
/*
|
|
* GetPopupNode, GetPopupLinkNode and GetPopupImageNode are helpers
|
|
* for the cmd_copyLink / cmd_copyImageLocation / cmd_copyImageContents family
|
|
* of commands. The focus controller stores the popup node, these retrieve
|
|
* them and munge appropriately. Note that we have to store the popup node
|
|
* rather than retrieving it from EventStateManager::GetFocusedContent because
|
|
* not all content (images included) can receive focus.
|
|
*/
|
|
|
|
nsresult
|
|
DocumentViewerImpl::GetPopupNode(nsIDOMNode** aNode)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aNode);
|
|
|
|
nsresult rv;
|
|
|
|
// get the document
|
|
nsCOMPtr<nsIDocument> document;
|
|
rv = GetDocument(getter_AddRefs(document));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(document, NS_ERROR_FAILURE);
|
|
|
|
|
|
// get the private dom window
|
|
nsPIDOMWindow *privateWin = document->GetWindow();
|
|
NS_ENSURE_TRUE(privateWin, NS_ERROR_NOT_AVAILABLE);
|
|
|
|
// get the focus controller
|
|
nsIFocusController *focusController = privateWin->GetRootFocusController();
|
|
NS_ENSURE_TRUE(focusController, NS_ERROR_FAILURE);
|
|
|
|
// get the popup node
|
|
focusController->GetPopupNode(aNode); // addref happens here
|
|
|
|
return rv;
|
|
}
|
|
|
|
// GetPopupLinkNode: return popup link node or fail
|
|
nsresult
|
|
DocumentViewerImpl::GetPopupLinkNode(nsIDOMNode** aNode)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aNode);
|
|
|
|
// you get null unless i say so
|
|
*aNode = nsnull;
|
|
|
|
// find popup node
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsresult rv = GetPopupNode(getter_AddRefs(node));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// find out if we have a link in our ancestry
|
|
while (node) {
|
|
|
|
// are we an anchor?
|
|
nsCOMPtr<nsIDOMHTMLAnchorElement> anchor(do_QueryInterface(node));
|
|
nsCOMPtr<nsIDOMHTMLAreaElement> area;
|
|
nsCOMPtr<nsIDOMHTMLLinkElement> link;
|
|
nsAutoString xlinkType;
|
|
if (!anchor) {
|
|
// area?
|
|
area = do_QueryInterface(node);
|
|
if (!area) {
|
|
// link?
|
|
link = do_QueryInterface(node);
|
|
if (!link) {
|
|
// XLink?
|
|
nsCOMPtr<nsIDOMElement> element(do_QueryInterface(node));
|
|
if (element) {
|
|
element->GetAttributeNS(NS_LITERAL_STRING("http://www.w3.org/1999/xlink"),NS_LITERAL_STRING("type"),xlinkType);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (anchor || area || link || xlinkType.EqualsLiteral("simple")) {
|
|
*aNode = node;
|
|
NS_IF_ADDREF(*aNode); // addref
|
|
return NS_OK;
|
|
}
|
|
else {
|
|
// if not, get our parent and keep trying...
|
|
nsCOMPtr<nsIDOMNode> parentNode;
|
|
node->GetParentNode(getter_AddRefs(parentNode));
|
|
node = parentNode;
|
|
}
|
|
}
|
|
|
|
// if we have no node, fail
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// GetPopupLinkNode: return popup image node or fail
|
|
nsresult
|
|
DocumentViewerImpl::GetPopupImageNode(nsIImageLoadingContent** aNode)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aNode);
|
|
|
|
// you get null unless i say so
|
|
*aNode = nsnull;
|
|
|
|
// find popup node
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsresult rv = GetPopupNode(getter_AddRefs(node));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (node)
|
|
CallQueryInterface(node, aNode);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/*
|
|
* XXX dr
|
|
* ------
|
|
* These two functions -- GetInLink and GetInImage -- are kind of annoying
|
|
* in that they only get called from the controller (in
|
|
* nsDOMWindowController::IsCommandEnabled). The actual construction of the
|
|
* context menus in communicator (nsContextMenu.js) has its own, redundant
|
|
* tests. No big deal, but good to keep in mind if we ever clean context
|
|
* menus.
|
|
*/
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetInLink(PRBool* aInLink)
|
|
{
|
|
#ifdef DEBUG_dr
|
|
printf("dr :: DocumentViewerImpl::GetInLink\n");
|
|
#endif
|
|
|
|
NS_ENSURE_ARG_POINTER(aInLink);
|
|
|
|
// we're not in a link unless i say so
|
|
*aInLink = PR_FALSE;
|
|
|
|
// get the popup link
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsresult rv = GetPopupLinkNode(getter_AddRefs(node));
|
|
if (NS_FAILED(rv)) return rv;
|
|
NS_ENSURE_TRUE(node, NS_ERROR_FAILURE);
|
|
|
|
// if we made it here, we're in a link
|
|
*aInLink = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::GetInImage(PRBool* aInImage)
|
|
{
|
|
#ifdef DEBUG_dr
|
|
printf("dr :: DocumentViewerImpl::GetInImage\n");
|
|
#endif
|
|
|
|
NS_ENSURE_ARG_POINTER(aInImage);
|
|
|
|
// we're not in an image unless i say so
|
|
*aInImage = PR_FALSE;
|
|
|
|
// get the popup image
|
|
nsCOMPtr<nsIImageLoadingContent> node;
|
|
nsresult rv = GetPopupImageNode(getter_AddRefs(node));
|
|
if (NS_FAILED(rv)) return rv;
|
|
NS_ENSURE_TRUE(node, NS_ERROR_FAILURE);
|
|
|
|
// if we made it here, we're in an image
|
|
*aInImage = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsDocViewerSelectionListener::NotifySelectionChanged(nsIDOMDocument *, nsISelection *, PRInt16)
|
|
{
|
|
NS_ASSERTION(mDocViewer, "Should have doc viewer!");
|
|
|
|
// get the selection state
|
|
nsCOMPtr<nsISelection> selection;
|
|
nsresult rv = mDocViewer->GetDocumentSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
PRBool selectionCollapsed;
|
|
selection->GetIsCollapsed(&selectionCollapsed);
|
|
// we only call UpdateCommands when the selection changes from collapsed
|
|
// to non-collapsed or vice versa. We might need another update string
|
|
// for simple selection changes, but that would be expenseive.
|
|
if (!mGotSelectionState || mSelectionWasCollapsed != selectionCollapsed)
|
|
{
|
|
nsCOMPtr<nsIDocument> theDoc;
|
|
mDocViewer->GetDocument(getter_AddRefs(theDoc));
|
|
if (!theDoc) return NS_ERROR_FAILURE;
|
|
|
|
nsPIDOMWindow *domWindow = theDoc->GetWindow();
|
|
if (!domWindow) return NS_ERROR_FAILURE;
|
|
|
|
domWindow->UpdateCommands(NS_LITERAL_STRING("select"));
|
|
mGotSelectionState = PR_TRUE;
|
|
mSelectionWasCollapsed = selectionCollapsed;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//nsDocViewerFocusListener
|
|
NS_IMPL_ISUPPORTS2(nsDocViewerFocusListener,
|
|
nsIDOMFocusListener,
|
|
nsIDOMEventListener)
|
|
|
|
nsDocViewerFocusListener::nsDocViewerFocusListener()
|
|
:mDocViewer(nsnull)
|
|
{
|
|
}
|
|
|
|
nsDocViewerFocusListener::~nsDocViewerFocusListener(){}
|
|
|
|
nsresult
|
|
nsDocViewerFocusListener::HandleEvent(nsIDOMEvent* aEvent)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocViewerFocusListener::Focus(nsIDOMEvent* aEvent)
|
|
{
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
if(!mDocViewer)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsresult result = mDocViewer->GetPresShell(getter_AddRefs(shell));
|
|
if(NS_FAILED(result) || !shell)
|
|
return result?result:NS_ERROR_FAILURE;
|
|
nsCOMPtr<nsISelectionController> selCon;
|
|
selCon = do_QueryInterface(shell);
|
|
PRInt16 selectionStatus;
|
|
selCon->GetDisplaySelection(&selectionStatus);
|
|
|
|
// If selection was disabled, re-enable it.
|
|
if(selectionStatus == nsISelectionController::SELECTION_DISABLED ||
|
|
selectionStatus == nsISelectionController::SELECTION_HIDDEN)
|
|
{
|
|
selCon->SetDisplaySelection(nsISelectionController::SELECTION_ON);
|
|
selCon->RepaintSelection(nsISelectionController::SELECTION_NORMAL);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocViewerFocusListener::Blur(nsIDOMEvent* aEvent)
|
|
{
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
if(!mDocViewer)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsresult result = mDocViewer->GetPresShell(getter_AddRefs(shell));
|
|
if(NS_FAILED(result) || !shell)
|
|
return result?result:NS_ERROR_FAILURE;
|
|
nsCOMPtr<nsISelectionController> selCon;
|
|
selCon = do_QueryInterface(shell);
|
|
PRInt16 selectionStatus;
|
|
selCon->GetDisplaySelection(&selectionStatus);
|
|
|
|
// If selection was on, disable it.
|
|
if(selectionStatus == nsISelectionController::SELECTION_ON ||
|
|
selectionStatus == nsISelectionController::SELECTION_ATTENTION)
|
|
{
|
|
selCon->SetDisplaySelection(nsISelectionController::SELECTION_DISABLED);
|
|
selCon->RepaintSelection(nsISelectionController::SELECTION_NORMAL);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsDocViewerFocusListener::Init(DocumentViewerImpl *aDocViewer)
|
|
{
|
|
mDocViewer = aDocViewer;
|
|
return NS_OK;
|
|
}
|
|
|
|
/** ---------------------------------------------------
|
|
* From nsIWebBrowserPrint
|
|
*/
|
|
|
|
#ifdef NS_PRINTING
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::Print(nsIPrintSettings* aPrintSettings,
|
|
nsIWebProgressListener* aWebProgressListener)
|
|
{
|
|
|
|
#ifdef MOZ_XUL
|
|
// Temporary code for Bug 136185 / Bug 240490
|
|
nsCOMPtr<nsIXULDocument> xulDoc(do_QueryInterface(mDocument));
|
|
if (xulDoc) {
|
|
nsPrintEngine::ShowPrintErrorDialog(NS_ERROR_GFX_PRINTER_NO_XUL);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
#endif
|
|
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryReferent(mContainer));
|
|
NS_ASSERTION(docShell, "This has to be a docshell");
|
|
|
|
// Check to see if this document is still busy
|
|
// If it is busy and we aren't already "queued" up to print then
|
|
// Indicate there is a print pending and cache the args for later
|
|
PRUint32 busyFlags = nsIDocShell::BUSY_FLAGS_NONE;
|
|
if ((NS_FAILED(docShell->GetBusyFlags(&busyFlags)) ||
|
|
(busyFlags != nsIDocShell::BUSY_FLAGS_NONE && busyFlags & nsIDocShell::BUSY_FLAGS_PAGE_LOADING)) &&
|
|
!mPrintDocIsFullyLoaded) {
|
|
if (!mPrintIsPending) {
|
|
mCachedPrintSettings = aPrintSettings;
|
|
mCachedPrintWebProgressListner = aWebProgressListener;
|
|
mPrintIsPending = PR_TRUE;
|
|
}
|
|
PR_PL(("Printing Stopped - document is still busy!"));
|
|
return NS_ERROR_GFX_PRINTER_DOC_IS_BUSY;
|
|
}
|
|
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
docShell->GetPresShell(getter_AddRefs(presShell));
|
|
if (!presShell || !mDocument || !mDeviceContext || !mParentWidget) {
|
|
PR_PL(("Can't Print without pres shell, document etc"));
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsresult rv;
|
|
|
|
// if we are printing another URL, then exit
|
|
// the reason we check here is because this method can be called while
|
|
// another is still in here (the printing dialog is a good example).
|
|
// the only time we can print more than one job at a time is the regression tests
|
|
if (GetIsPrinting()) {
|
|
// Let the user know we are not ready to print.
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
nsPrintEngine::ShowPrintErrorDialog(rv);
|
|
return rv;
|
|
}
|
|
|
|
// If we are hosting a full-page plugin, tell it to print
|
|
// first. It shows its own native print UI.
|
|
nsCOMPtr<nsIPluginDocument> pDoc(do_QueryInterface(mDocument));
|
|
if (pDoc)
|
|
return pDoc->Print();
|
|
|
|
if (!mPrintEngine) {
|
|
mPrintEngine = new nsPrintEngine();
|
|
NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
rv = mPrintEngine->Initialize(this, docShell, mDocument,
|
|
mDeviceContext, mParentWidget,
|
|
#ifdef NS_DEBUG
|
|
mDebugFile
|
|
#else
|
|
nsnull
|
|
#endif
|
|
);
|
|
if (NS_FAILED(rv)) {
|
|
mPrintEngine->Destroy();
|
|
mPrintEngine = nsnull;
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
rv = mPrintEngine->Print(aPrintSettings, aWebProgressListener);
|
|
if (NS_FAILED(rv)) {
|
|
OnDonePrinting();
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::PrintPreview(nsIPrintSettings* aPrintSettings,
|
|
nsIDOMWindow *aChildDOMWin,
|
|
nsIWebProgressListener* aWebProgressListener)
|
|
{
|
|
#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
|
|
nsresult rv = NS_OK;
|
|
|
|
if (GetIsPrinting()) {
|
|
nsPrintEngine::CloseProgressDialog(aWebProgressListener);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
#ifdef MOZ_XUL
|
|
// Temporary code for Bug 136185 / Bug 240490
|
|
nsCOMPtr<nsIXULDocument> xulDoc(do_QueryInterface(mDocument));
|
|
if (xulDoc) {
|
|
nsPrintEngine::CloseProgressDialog(aWebProgressListener);
|
|
nsPrintEngine::ShowPrintErrorDialog(NS_ERROR_GFX_PRINTER_NO_XUL, PR_FALSE);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
#endif
|
|
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryReferent(mContainer));
|
|
NS_ASSERTION(docShell, "This has to be a docshell");
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
docShell->GetPresShell(getter_AddRefs(presShell));
|
|
if (!presShell || !mDocument || !mDeviceContext || !mParentWidget) {
|
|
PR_PL(("Can't Print Preview without pres shell, document etc"));
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (!mPrintEngine) {
|
|
mPrintEngine = new nsPrintEngine();
|
|
NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
rv = mPrintEngine->Initialize(this, docShell, mDocument,
|
|
mDeviceContext, mParentWidget,
|
|
#ifdef NS_DEBUG
|
|
mDebugFile
|
|
#else
|
|
nsnull
|
|
#endif
|
|
);
|
|
if (NS_FAILED(rv)) {
|
|
mPrintEngine->Destroy();
|
|
mPrintEngine = nsnull;
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
rv = mPrintEngine->PrintPreview(aPrintSettings, aChildDOMWin, aWebProgressListener);
|
|
if (NS_FAILED(rv)) {
|
|
OnDonePrinting();
|
|
}
|
|
return rv;
|
|
#else
|
|
return NS_ERROR_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::PrintPreviewNavigate(PRInt16 aType, PRInt32 aPageNum)
|
|
{
|
|
if (!GetIsPrintPreview() ||
|
|
mPrintEngine->GetIsCreatingPrintPreview())
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsIScrollableView* scrollableView = nsnull;
|
|
mPrintEngine->GetPrintPreviewViewManager()->GetRootScrollableView(&scrollableView);
|
|
if (scrollableView == nsnull)
|
|
return NS_OK;
|
|
|
|
// Check to see if we can short circut scrolling to the top
|
|
if (aType == nsIWebBrowserPrint::PRINTPREVIEW_HOME ||
|
|
(aType == nsIWebBrowserPrint::PRINTPREVIEW_GOTO_PAGENUM && aPageNum == 1)) {
|
|
scrollableView->ScrollTo(0, 0, PR_TRUE);
|
|
return NS_OK;
|
|
}
|
|
|
|
// Finds the SimplePageSequencer frame
|
|
// in PP mPrtPreview->mPrintObject->mSeqFrame is null
|
|
nsIFrame* seqFrame = nsnull;
|
|
PRInt32 pageCount = 0;
|
|
if (NS_FAILED(mPrintEngine->GetSeqFrameAndCountPages(seqFrame, pageCount))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Figure where we are currently scrolled to
|
|
nscoord x;
|
|
nscoord y;
|
|
scrollableView->GetScrollPosition(x, y);
|
|
|
|
PRInt32 pageNum = 1;
|
|
nsIFrame * fndPageFrame = nsnull;
|
|
nsIFrame * currentPage = nsnull;
|
|
|
|
// If it is "End" then just do a "goto" to the last page
|
|
if (aType == nsIWebBrowserPrint::PRINTPREVIEW_END) {
|
|
aType = nsIWebBrowserPrint::PRINTPREVIEW_GOTO_PAGENUM;
|
|
aPageNum = pageCount;
|
|
}
|
|
|
|
// Now, locate the current page we are on and
|
|
// and the page of the page number
|
|
nscoord gap = 0;
|
|
nsIFrame* pageFrame = seqFrame->GetFirstChild(nsnull);
|
|
while (pageFrame != nsnull) {
|
|
nsRect pageRect = pageFrame->GetRect();
|
|
if (pageNum == 1) {
|
|
gap = pageRect.y;
|
|
}
|
|
if (pageRect.Contains(pageRect.x, y)) {
|
|
currentPage = pageFrame;
|
|
}
|
|
if (pageNum == aPageNum) {
|
|
fndPageFrame = pageFrame;
|
|
break;
|
|
}
|
|
pageNum++;
|
|
pageFrame = pageFrame->GetNextSibling();
|
|
}
|
|
|
|
if (aType == nsIWebBrowserPrint::PRINTPREVIEW_PREV_PAGE) {
|
|
if (currentPage) {
|
|
fndPageFrame = currentPage->GetPrevInFlow();
|
|
if (!fndPageFrame) {
|
|
return NS_OK;
|
|
}
|
|
} else {
|
|
return NS_OK;
|
|
}
|
|
} else if (aType == nsIWebBrowserPrint::PRINTPREVIEW_NEXT_PAGE) {
|
|
if (currentPage) {
|
|
fndPageFrame = currentPage->GetNextInFlow();
|
|
if (!fndPageFrame) {
|
|
return NS_OK;
|
|
}
|
|
} else {
|
|
return NS_OK;
|
|
}
|
|
} else { // If we get here we are doing "GoTo"
|
|
if (aPageNum < 0 || aPageNum > pageCount) {
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
if (fndPageFrame && scrollableView) {
|
|
nscoord deadSpaceGap = 0;
|
|
nsIPageSequenceFrame * sqf;
|
|
if (NS_SUCCEEDED(CallQueryInterface(seqFrame, &sqf))) {
|
|
sqf->GetDeadSpaceValue(&deadSpaceGap);
|
|
}
|
|
|
|
// scroll so that top of page (plus the gray area) is at the top of the scroll area
|
|
scrollableView->ScrollTo(0, fndPageFrame->GetPosition().y-deadSpaceGap, PR_TRUE);
|
|
}
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
/* readonly attribute nsIPrintSettings globalPrintSettings; */
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetGlobalPrintSettings(nsIPrintSettings * *aGlobalPrintSettings)
|
|
{
|
|
return nsPrintEngine::GetGlobalPrintSettings(aGlobalPrintSettings);
|
|
}
|
|
|
|
/* readonly attribute boolean doingPrint; */
|
|
// XXX This always returns PR_FALSE for subdocuments
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetDoingPrint(PRBool *aDoingPrint)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aDoingPrint);
|
|
|
|
*aDoingPrint = PR_FALSE;
|
|
if (mPrintEngine) {
|
|
// XXX shouldn't this be GetDoingPrint() ?
|
|
return mPrintEngine->GetDoingPrintPreview(aDoingPrint);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
/* readonly attribute boolean doingPrintPreview; */
|
|
// XXX This always returns PR_FALSE for subdocuments
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetDoingPrintPreview(PRBool *aDoingPrintPreview)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aDoingPrintPreview);
|
|
|
|
*aDoingPrintPreview = PR_FALSE;
|
|
if (mPrintEngine) {
|
|
return mPrintEngine->GetDoingPrintPreview(aDoingPrintPreview);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
/* readonly attribute nsIPrintSettings currentPrintSettings; */
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetCurrentPrintSettings(nsIPrintSettings * *aCurrentPrintSettings)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aCurrentPrintSettings);
|
|
|
|
*aCurrentPrintSettings = nsnull;
|
|
NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
|
|
|
|
return mPrintEngine->GetCurrentPrintSettings(aCurrentPrintSettings);
|
|
}
|
|
|
|
|
|
/* readonly attribute nsIDOMWindow currentChildDOMWindow; */
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetCurrentChildDOMWindow(nsIDOMWindow * *aCurrentChildDOMWindow)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aCurrentChildDOMWindow);
|
|
*aCurrentChildDOMWindow = nsnull;
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
/* void cancel (); */
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::Cancel()
|
|
{
|
|
NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
|
|
return mPrintEngine->Cancelled();
|
|
}
|
|
|
|
/* void exitPrintPreview (); */
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::ExitPrintPreview()
|
|
{
|
|
if (GetIsPrinting()) return NS_ERROR_FAILURE;
|
|
NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
|
|
|
|
if (GetIsPrintPreview()) {
|
|
ReturnToGalleyPresentation();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
// Enumerate all the documents for their titles
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::EnumerateDocumentNames(PRUint32* aCount,
|
|
PRUnichar*** aResult)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
NS_ENSURE_ARG(aCount);
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
|
NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
|
|
|
|
return mPrintEngine->EnumerateDocumentNames(aCount, aResult);
|
|
#else
|
|
return NS_ERROR_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
/* readonly attribute boolean isFramesetFrameSelected; */
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetIsFramesetFrameSelected(PRBool *aIsFramesetFrameSelected)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
*aIsFramesetFrameSelected = PR_FALSE;
|
|
NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
|
|
|
|
return mPrintEngine->GetIsFramesetFrameSelected(aIsFramesetFrameSelected);
|
|
#else
|
|
return NS_ERROR_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
/* readonly attribute long printPreviewNumPages; */
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetPrintPreviewNumPages(PRInt32 *aPrintPreviewNumPages)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
NS_ENSURE_ARG_POINTER(aPrintPreviewNumPages);
|
|
NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
|
|
|
|
return mPrintEngine->GetPrintPreviewNumPages(aPrintPreviewNumPages);
|
|
#else
|
|
return NS_ERROR_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
/* readonly attribute boolean isFramesetDocument; */
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetIsFramesetDocument(PRBool *aIsFramesetDocument)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
*aIsFramesetDocument = PR_FALSE;
|
|
NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
|
|
|
|
return mPrintEngine->GetIsFramesetDocument(aIsFramesetDocument);
|
|
#else
|
|
return NS_ERROR_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
/* readonly attribute boolean isIFrameSelected; */
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetIsIFrameSelected(PRBool *aIsIFrameSelected)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
*aIsIFrameSelected = PR_FALSE;
|
|
NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
|
|
|
|
return mPrintEngine->GetIsIFrameSelected(aIsIFrameSelected);
|
|
#else
|
|
return NS_ERROR_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
/* readonly attribute boolean isRangeSelection; */
|
|
NS_IMETHODIMP
|
|
DocumentViewerImpl::GetIsRangeSelection(PRBool *aIsRangeSelection)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
*aIsRangeSelection = PR_FALSE;
|
|
NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
|
|
|
|
return mPrintEngine->GetIsRangeSelection(aIsRangeSelection);
|
|
#else
|
|
return NS_ERROR_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
// Printing/Print Preview Helpers
|
|
//----------------------------------------------------------------------------------
|
|
|
|
//----------------------------------------------------------------------------------
|
|
// Walks the document tree and tells each DocShell whether Printing/PP is happening
|
|
void
|
|
DocumentViewerImpl::SetIsPrintingInDocShellTree(nsIDocShellTreeNode* aParentNode,
|
|
PRBool aIsPrintingOrPP,
|
|
PRBool aStartAtTop)
|
|
{
|
|
NS_ASSERTION(aParentNode, "Parent can't be NULL!");
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> parentItem(do_QueryInterface(aParentNode));
|
|
|
|
// find top of "same parent" tree
|
|
if (aStartAtTop) {
|
|
while (parentItem) {
|
|
nsCOMPtr<nsIDocShellTreeItem> parent;
|
|
parentItem->GetSameTypeParent(getter_AddRefs(parent));
|
|
if (!parent) {
|
|
break;
|
|
}
|
|
parentItem = do_QueryInterface(parent);
|
|
}
|
|
}
|
|
NS_ASSERTION(parentItem, "parentItem can't be null");
|
|
|
|
// Check to see if the DocShell's ContentViewer is printing/PP
|
|
nsCOMPtr<nsIContentViewerContainer> viewerContainer(do_QueryInterface(parentItem));
|
|
if (viewerContainer) {
|
|
viewerContainer->SetIsPrinting(aIsPrintingOrPP);
|
|
}
|
|
|
|
// Traverse children to see if any of them are printing.
|
|
PRInt32 n;
|
|
aParentNode->GetChildCount(&n);
|
|
for (PRInt32 i=0; i < n; i++) {
|
|
nsCOMPtr<nsIDocShellTreeItem> child;
|
|
aParentNode->GetChildAt(i, getter_AddRefs(child));
|
|
nsCOMPtr<nsIDocShellTreeNode> childAsNode(do_QueryInterface(child));
|
|
NS_ASSERTION(childAsNode, "child isn't nsIDocShellTreeNode");
|
|
if (childAsNode) {
|
|
SetIsPrintingInDocShellTree(childAsNode, aIsPrintingOrPP, PR_FALSE);
|
|
}
|
|
}
|
|
|
|
}
|
|
#endif // NS_PRINTING
|
|
|
|
//------------------------------------------------------------
|
|
// XXX this always returns PR_FALSE for subdocuments
|
|
PRBool
|
|
DocumentViewerImpl::GetIsPrinting()
|
|
{
|
|
#ifdef NS_PRINTING
|
|
if (mPrintEngine) {
|
|
return mPrintEngine->GetIsPrinting();
|
|
}
|
|
#endif
|
|
return PR_FALSE;
|
|
}
|
|
|
|
//------------------------------------------------------------
|
|
// Notification from the PrintEngine of the current Printing status
|
|
void
|
|
DocumentViewerImpl::SetIsPrinting(PRBool aIsPrinting)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
// Set all the docShells in the docshell tree to be printing.
|
|
// that way if anyone of them tries to "navigate" it can't
|
|
if (mContainer) {
|
|
nsCOMPtr<nsIDocShellTreeNode> docShellTreeNode(do_QueryReferent(mContainer));
|
|
NS_ASSERTION(docShellTreeNode, "mContainer has to be a nsIDocShellTreeNode");
|
|
SetIsPrintingInDocShellTree(docShellTreeNode, aIsPrinting, PR_TRUE);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
//------------------------------------------------------------
|
|
// The PrintEngine holds the current value
|
|
// this called from inside the DocViewer.
|
|
// XXX it always returns PR_FALSE for subdocuments
|
|
PRBool
|
|
DocumentViewerImpl::GetIsPrintPreview()
|
|
{
|
|
#ifdef NS_PRINTING
|
|
if (mPrintEngine) {
|
|
return mPrintEngine->GetIsPrintPreview();
|
|
}
|
|
#endif
|
|
return PR_FALSE;
|
|
}
|
|
|
|
//------------------------------------------------------------
|
|
// Notification from the PrintEngine of the current PP status
|
|
void
|
|
DocumentViewerImpl::SetIsPrintPreview(PRBool aIsPrintPreview)
|
|
{
|
|
#ifdef NS_PRINTING
|
|
// Set all the docShells in the docshell tree to be printing.
|
|
// that way if anyone of them tries to "navigate" it can't
|
|
if (mContainer) {
|
|
nsCOMPtr<nsIDocShellTreeNode> docShellTreeNode(do_QueryReferent(mContainer));
|
|
NS_ASSERTION(docShellTreeNode, "mContainer has to be a nsIDocShellTreeNode");
|
|
SetIsPrintingInDocShellTree(docShellTreeNode, aIsPrintPreview, PR_TRUE);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
// nsIDocumentViewerPrint IFace
|
|
//----------------------------------------------------------------------------------
|
|
|
|
//------------------------------------------------------------
|
|
void
|
|
DocumentViewerImpl::IncrementDestroyRefCount()
|
|
{
|
|
++mDestroyRefCount;
|
|
}
|
|
|
|
//------------------------------------------------------------
|
|
|
|
static void ResetFocusState(nsIDocShell* aDocShell);
|
|
|
|
void
|
|
DocumentViewerImpl::ReturnToGalleyPresentation()
|
|
{
|
|
#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
|
|
if (!GetIsPrintPreview()) {
|
|
NS_ERROR("Wow, we should never get here!");
|
|
return;
|
|
}
|
|
|
|
SetIsPrintPreview(PR_FALSE);
|
|
|
|
mPrintEngine->TurnScriptingOn(PR_TRUE);
|
|
mPrintEngine->Destroy();
|
|
mPrintEngine = nsnull;
|
|
|
|
mViewManager->EnableRefresh(NS_VMREFRESH_DEFERRED);
|
|
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryReferent(mContainer));
|
|
ResetFocusState(docShell);
|
|
|
|
Show();
|
|
|
|
#endif // NS_PRINTING && NS_PRINT_PREVIEW
|
|
}
|
|
|
|
//------------------------------------------------------------
|
|
// Reset ESM focus for all descendent doc shells.
|
|
static void
|
|
ResetFocusState(nsIDocShell* aDocShell)
|
|
{
|
|
nsCOMPtr<nsISimpleEnumerator> docShellEnumerator;
|
|
aDocShell->GetDocShellEnumerator(nsIDocShellTreeItem::typeContent,
|
|
nsIDocShell::ENUMERATE_FORWARDS,
|
|
getter_AddRefs(docShellEnumerator));
|
|
|
|
nsCOMPtr<nsIDocShell> currentDocShell;
|
|
nsCOMPtr<nsISupports> currentContainer;
|
|
PRBool hasMoreDocShells;
|
|
while (NS_SUCCEEDED(docShellEnumerator->HasMoreElements(&hasMoreDocShells))
|
|
&& hasMoreDocShells) {
|
|
docShellEnumerator->GetNext(getter_AddRefs(currentContainer));
|
|
currentDocShell = do_QueryInterface(currentContainer);
|
|
if (!currentDocShell) {
|
|
break;
|
|
}
|
|
nsCOMPtr<nsPresContext> presContext;
|
|
currentDocShell->GetPresContext(getter_AddRefs(presContext));
|
|
nsIEventStateManager* esm =
|
|
presContext ? presContext->EventStateManager() : nsnull;
|
|
if (esm) {
|
|
esm->SetContentState(nsnull, NS_EVENT_STATE_FOCUS);
|
|
esm->SetFocusedContent(nsnull);
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------
|
|
// This called ONLY when printing has completed and the DV
|
|
// is being notified that it should get rid of the PrintEngine.
|
|
//
|
|
// BUT, if we are in Print Preview then we want to ignore the
|
|
// notification (we do not get rid of the PrintEngine)
|
|
//
|
|
// One small caveat:
|
|
// This IS called from two places in this module for cleaning
|
|
// up when an error occurred during the start up printing
|
|
// and print preview
|
|
//
|
|
void
|
|
DocumentViewerImpl::OnDonePrinting()
|
|
{
|
|
#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
|
|
if (mPrintEngine) {
|
|
if (GetIsPrintPreview()) {
|
|
mPrintEngine->DestroyPrintingData();
|
|
} else {
|
|
mPrintEngine->Destroy();
|
|
mPrintEngine = nsnull;
|
|
}
|
|
|
|
// We are done printing, now cleanup
|
|
if (mDeferredWindowClose) {
|
|
mDeferredWindowClose = PR_FALSE;
|
|
nsCOMPtr<nsISupports> container = do_QueryReferent(mContainer);
|
|
nsCOMPtr<nsIDOMWindowInternal> win = do_GetInterface(container);
|
|
if (win)
|
|
win->Close();
|
|
} else if (mClosingWhilePrinting) {
|
|
if (mDocument) {
|
|
mDocument->SetScriptGlobalObject(nsnull);
|
|
mDocument->Destroy();
|
|
mDocument = nsnull;
|
|
}
|
|
mClosingWhilePrinting = PR_FALSE;
|
|
NS_RELEASE_THIS();
|
|
}
|
|
}
|
|
#endif // NS_PRINTING && NS_PRINT_PREVIEW
|
|
}
|
|
|
|
NS_IMETHODIMP DocumentViewerImpl::SetPageMode(PRBool aPageMode, nsIPrintSettings* aPrintSettings)
|
|
{
|
|
// XXX Page mode is only partially working; it's currently used for
|
|
// reftests that require a paginated context
|
|
mIsPageMode = aPageMode;
|
|
// Get the current size of what is being viewed
|
|
nsRect bounds;
|
|
mWindow->GetBounds(bounds);
|
|
|
|
if (mPresShell) {
|
|
// Break circular reference (or something)
|
|
mPresShell->EndObservingDocument();
|
|
nsCOMPtr<nsISelection> selection;
|
|
nsresult rv = GetDocumentSelection(getter_AddRefs(selection));
|
|
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(selection));
|
|
if (NS_SUCCEEDED(rv) && selPrivate && mSelectionListener)
|
|
selPrivate->RemoveSelectionListener(mSelectionListener);
|
|
mPresShell->Destroy();
|
|
}
|
|
|
|
if (mPresContext) {
|
|
mPresContext->SetContainer(nsnull);
|
|
mPresContext->SetLinkHandler(nsnull);
|
|
}
|
|
|
|
mPresShell = nsnull;
|
|
mPresContext = nsnull;
|
|
mViewManager = nsnull;
|
|
mWindow = nsnull;
|
|
|
|
NS_ENSURE_STATE(mDocument);
|
|
if (aPageMode)
|
|
{
|
|
mPresContext =
|
|
new nsPresContext(mDocument, nsPresContext::eContext_PageLayout);
|
|
NS_ENSURE_TRUE(mPresContext, NS_ERROR_OUT_OF_MEMORY);
|
|
mPresContext->SetPaginatedScrolling(PR_TRUE);
|
|
mPresContext->SetPrintSettings(aPrintSettings);
|
|
nsresult rv = mPresContext->Init(mDeviceContext);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
InitInternal(mParentWidget, nsnull, mDeviceContext, bounds, PR_TRUE, PR_FALSE, PR_FALSE);
|
|
mViewManager->EnableRefresh(NS_VMREFRESH_NO_SYNC);
|
|
|
|
Show();
|
|
return NS_OK;
|
|
}
|