mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 08:35:26 +00:00
591a71b031
reload. Bug 249405, r=darin, sr=jst
1227 lines
37 KiB
C++
1227 lines
37 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla 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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* Travis Bogard <travis@netscape.com>
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* Dan Rosen <dr@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsDocShell.h"
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#include "nsIWebShell.h"
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#include "nsWebShell.h"
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#include "nsIWebBrowserChrome.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIWebProgress.h"
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#include "nsIDocumentLoader.h"
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#include "nsIContentViewer.h"
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#include "nsIDocumentViewer.h"
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|
#include "nsIMarkupDocumentViewer.h"
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|
#include "nsIClipboardCommands.h"
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|
#include "nsILinkHandler.h"
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|
#include "nsIStreamListener.h"
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|
#include "nsIPrompt.h"
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|
#include "nsNetUtil.h"
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|
#include "nsIDNSService.h"
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|
#include "nsISocketProvider.h"
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|
#include "nsIRefreshURI.h"
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|
#include "nsIScriptGlobalObject.h"
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#include "nsIScriptGlobalObjectOwner.h"
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#include "nsIDOMEvent.h"
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|
#include "nsPresContext.h"
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#include "nsIComponentManager.h"
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|
#include "nsIEventQueueService.h"
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|
#include "nsCRT.h"
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|
#include "nsVoidArray.h"
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|
#include "nsString.h"
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|
#include "nsReadableUtils.h"
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#include "plevent.h"
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#include "prprf.h"
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#include "nsIPluginHost.h"
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#include "nsplugin.h"
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#include "nsIPluginManager.h"
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#include "nsCDefaultURIFixup.h"
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#include "nsIContent.h"
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#include "prlog.h"
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#include "nsCOMPtr.h"
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#include "nsIPresShell.h"
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#include "nsIWebShellServices.h"
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#include "nsIGlobalHistory.h"
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#include "prmem.h"
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#include "prthread.h"
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#include "nsXPIDLString.h"
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#include "nsDOMError.h"
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#include "nsIDOMRange.h"
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#include "nsIURIContentListener.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMHTMLAnchorElement.h"
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#include "nsIBaseWindow.h"
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#include "nsIDocShell.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 "nsCURILoader.h"
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#include "nsIDOMWindowInternal.h"
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#include "nsEscape.h"
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#include "nsIPlatformCharset.h"
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#include "nsICharsetConverterManager.h"
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#include "nsISocketTransportService.h"
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#include "nsTextFormatter.h"
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#include "nsPIDOMWindow.h"
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#include "nsPICommandUpdater.h"
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#include "nsIController.h"
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#include "nsIFocusController.h"
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#include "nsGUIEvent.h"
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#include "nsISHistoryInternal.h"
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#include "nsIHttpChannel.h"
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#include "nsIUploadChannel.h"
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#include "nsISeekableStream.h"
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#include "nsILocaleService.h"
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#include "nsIStringBundle.h"
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#include "nsICachingChannel.h"
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//XXX for nsIPostData; this is wrong; we shouldn't see the nsIDocument type
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#include "nsIDocument.h"
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#include "nsITextToSubURI.h"
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#include "nsIExternalProtocolService.h"
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#include "nsCExternalHandlerService.h"
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// Used in the fixup code
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#include "prnetdb.h"
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#ifdef NS_DEBUG
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/**
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* Note: the log module is created during initialization which
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* means that you cannot perform logging before then.
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*/
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static PRLogModuleInfo* gLogModule = PR_NewLogModule("webshell");
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#endif
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#define WEB_TRACE_CALLS 0x1
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#define WEB_TRACE_HISTORY 0x2
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#define WEB_LOG_TEST(_lm,_bit) (PRIntn((_lm)->level) & (_bit))
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#ifdef NS_DEBUG
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#define WEB_TRACE(_bit,_args) \
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PR_BEGIN_MACRO \
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if (WEB_LOG_TEST(gLogModule,_bit)) { \
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PR_LogPrint _args; \
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} \
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PR_END_MACRO
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#else
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#define WEB_TRACE(_bit,_args)
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#endif
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//----------------------------------------------------------------------
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static PRBool
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IsOffline()
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{
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PRBool offline = PR_TRUE;
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nsCOMPtr<nsIIOService> ios(do_GetIOService());
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if (ios)
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ios->GetOffline(&offline);
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return offline;
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}
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//----------------------------------------------------------------------
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// Note: operator new zeros our memory
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nsWebShell::nsWebShell() : nsDocShell()
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{
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#ifdef DEBUG
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// We're counting the number of |nsWebShells| to help find leaks
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++gNumberOfWebShells;
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#endif
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#ifdef DEBUG
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printf("++WEBSHELL == %ld\n", gNumberOfWebShells);
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#endif
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mThread = nsnull;
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InitFrameData();
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mItemType = typeContent;
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mCharsetReloadState = eCharsetReloadInit;
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}
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nsWebShell::~nsWebShell()
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{
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Destroy();
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// Stop any pending document loads and destroy the loader...
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if (mDocLoader) {
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mDocLoader->Stop();
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mDocLoader->SetContainer(nsnull);
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mDocLoader->Destroy();
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mDocLoader = nsnull;
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}
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// Cancel any timers that were set for this loader.
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CancelRefreshURITimers();
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++mRefCnt; // following releases can cause this destructor to be called
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// recursively if the refcount is allowed to remain 0
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mContentViewer=nsnull;
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mDeviceContext=nsnull;
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NS_IF_RELEASE(mContainer);
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if (mScriptGlobal) {
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mScriptGlobal->SetDocShell(nsnull);
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mScriptGlobal = nsnull;
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}
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if (mScriptContext) {
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mScriptContext->SetOwner(nsnull);
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mScriptContext = nsnull;
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}
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InitFrameData();
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#ifdef DEBUG
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// We're counting the number of |nsWebShells| to help find leaks
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--gNumberOfWebShells;
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#endif
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#ifdef DEBUG
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printf("--WEBSHELL == %ld\n", gNumberOfWebShells);
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#endif
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}
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void nsWebShell::InitFrameData()
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{
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SetMarginWidth(-1);
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SetMarginHeight(-1);
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}
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nsresult
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nsWebShell::EnsureCommandHandler()
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{
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if (!mCommandManager)
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{
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mCommandManager = do_CreateInstance("@mozilla.org/embedcomp/command-manager;1");
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if (!mCommandManager) return NS_ERROR_OUT_OF_MEMORY;
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nsCOMPtr<nsPICommandUpdater> commandUpdater = do_QueryInterface(mCommandManager);
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if (!commandUpdater) return NS_ERROR_FAILURE;
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nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(NS_STATIC_CAST(nsIInterfaceRequestor *, this));
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#ifdef DEBUG
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nsresult rv =
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#endif
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commandUpdater->Init(domWindow);
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NS_ASSERTION(NS_SUCCEEDED(rv), "Initting command manager failed");
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}
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return mCommandManager ? NS_OK : NS_ERROR_FAILURE;
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}
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NS_IMPL_ADDREF_INHERITED(nsWebShell, nsDocShell)
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NS_IMPL_RELEASE_INHERITED(nsWebShell, nsDocShell)
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NS_INTERFACE_MAP_BEGIN(nsWebShell)
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NS_INTERFACE_MAP_ENTRY(nsIWebShell)
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NS_INTERFACE_MAP_ENTRY(nsIWebShellServices)
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NS_INTERFACE_MAP_ENTRY(nsIWebShellContainer)
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NS_INTERFACE_MAP_ENTRY(nsILinkHandler)
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NS_INTERFACE_MAP_ENTRY(nsIClipboardCommands)
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NS_INTERFACE_MAP_END_INHERITING(nsDocShell)
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NS_IMETHODIMP
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nsWebShell::GetInterface(const nsIID &aIID, void** aInstancePtr)
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{
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NS_ENSURE_ARG_POINTER(aInstancePtr);
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nsresult rv = NS_OK;
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*aInstancePtr = nsnull;
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if(aIID.Equals(NS_GET_IID(nsILinkHandler)))
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{
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// Note: If we ever allow for registering other link handlers,
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// we need to make sure that link handler implementations take
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// the necessary precautions to prevent the security compromise
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// that is blocked by nsWebSell::OnLinkClickSync().
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*aInstancePtr = NS_STATIC_CAST(nsILinkHandler*, this);
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NS_ADDREF((nsISupports*)*aInstancePtr);
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return NS_OK;
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}
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else if(aIID.Equals(NS_GET_IID(nsIScriptGlobalObjectOwner)))
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{
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*aInstancePtr = NS_STATIC_CAST(nsIScriptGlobalObjectOwner*, this);
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NS_ADDREF((nsISupports*)*aInstancePtr);
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return NS_OK;
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}
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else if(aIID.Equals(NS_GET_IID(nsIScriptGlobalObject)))
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{
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NS_ENSURE_SUCCESS(EnsureScriptEnvironment(), NS_ERROR_FAILURE);
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*aInstancePtr = mScriptGlobal;
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NS_ADDREF((nsISupports*)*aInstancePtr);
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return NS_OK;
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}
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else if(aIID.Equals(NS_GET_IID(nsIDOMWindowInternal)) ||
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aIID.Equals(NS_GET_IID(nsIDOMWindow)))
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{
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NS_ENSURE_SUCCESS(EnsureScriptEnvironment(), NS_ERROR_FAILURE);
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NS_ENSURE_SUCCESS(mScriptGlobal->QueryInterface(aIID, aInstancePtr),
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NS_ERROR_FAILURE);
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return NS_OK;
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}
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else if(aIID.Equals(NS_GET_IID(nsICommandManager)))
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{
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NS_ENSURE_SUCCESS(EnsureCommandHandler(), NS_ERROR_FAILURE);
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NS_ENSURE_SUCCESS(mCommandManager->QueryInterface(NS_GET_IID(nsICommandManager),
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aInstancePtr), NS_ERROR_FAILURE);
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return NS_OK;
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}
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if (!*aInstancePtr || NS_FAILED(rv))
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return nsDocShell::GetInterface(aIID,aInstancePtr);
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else
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return rv;
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}
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NS_IMETHODIMP
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nsWebShell::SetContainer(nsIWebShellContainer* aContainer)
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{
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NS_IF_RELEASE(mContainer);
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mContainer = aContainer;
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NS_IF_ADDREF(mContainer);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWebShell::GetContainer(nsIWebShellContainer*& aResult)
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{
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aResult = mContainer;
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NS_IF_ADDREF(mContainer);
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return NS_OK;
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}
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nsEventStatus PR_CALLBACK
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nsWebShell::HandleEvent(nsGUIEvent *aEvent)
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{
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return nsEventStatus_eIgnore;
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}
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/**
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* Document Load methods
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*/
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NS_IMETHODIMP
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nsWebShell::GetDocumentLoader(nsIDocumentLoader*& aResult)
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{
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aResult = mDocLoader;
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if (!mDocLoader)
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return NS_ERROR_FAILURE;
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NS_ADDREF(aResult);
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return NS_OK;
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}
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//----------------------------------------------------------------------
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// Web Shell Services API
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//This functions is only called when a new charset is detected in loading a document.
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//Its name should be changed to "CharsetReloadDocument"
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NS_IMETHODIMP
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nsWebShell::ReloadDocument(const char* aCharset,
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PRInt32 aSource)
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{
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// XXX hack. kee the aCharset and aSource wait to pick it up
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nsCOMPtr<nsIContentViewer> cv;
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NS_ENSURE_SUCCESS(GetContentViewer(getter_AddRefs(cv)), NS_ERROR_FAILURE);
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if (cv)
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{
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nsCOMPtr<nsIMarkupDocumentViewer> muDV = do_QueryInterface(cv);
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if (muDV)
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{
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PRInt32 hint;
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muDV->GetHintCharacterSetSource(&hint);
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if( aSource > hint )
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{
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muDV->SetHintCharacterSet(nsDependentCString(aCharset));
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muDV->SetHintCharacterSetSource(aSource);
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if(eCharsetReloadRequested != mCharsetReloadState)
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{
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mCharsetReloadState = eCharsetReloadRequested;
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return Reload(LOAD_FLAGS_CHARSET_CHANGE);
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}
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}
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}
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}
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//return failer if this request is not accepted due to mCharsetReloadState
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return NS_ERROR_WEBSHELL_REQUEST_REJECTED;
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}
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|
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NS_IMETHODIMP
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nsWebShell::StopDocumentLoad(void)
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{
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if(eCharsetReloadRequested != mCharsetReloadState)
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{
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Stop(nsIWebNavigation::STOP_ALL);
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return NS_OK;
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}
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//return failer if this request is not accepted due to mCharsetReloadState
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return NS_ERROR_WEBSHELL_REQUEST_REJECTED;
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}
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NS_IMETHODIMP
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nsWebShell::SetRendering(PRBool aRender)
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{
|
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if(eCharsetReloadRequested != mCharsetReloadState)
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{
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if (mContentViewer) {
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mContentViewer->SetEnableRendering(aRender);
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return NS_OK;
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}
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}
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//return failer if this request is not accepted due to mCharsetReloadState
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return NS_ERROR_WEBSHELL_REQUEST_REJECTED;
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}
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//----------------------------------------------------------------------
|
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// WebShell link handling
|
|
|
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struct OnLinkClickEvent : public PLEvent {
|
|
OnLinkClickEvent(nsWebShell* aHandler, nsIContent* aContent,
|
|
nsLinkVerb aVerb, nsIURI* aURI,
|
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const PRUnichar* aTargetSpec, nsIInputStream* aPostDataStream = 0,
|
|
nsIInputStream* aHeadersDataStream = 0);
|
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~OnLinkClickEvent();
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|
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void HandleEvent() {
|
|
mHandler->OnLinkClickSync(mContent, mVerb, mURI,
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mTargetSpec.get(), mPostDataStream,
|
|
mHeadersDataStream,
|
|
nsnull, nsnull);
|
|
}
|
|
|
|
nsWebShell* mHandler;
|
|
nsCOMPtr<nsIURI> mURI;
|
|
nsString mTargetSpec;
|
|
nsCOMPtr<nsIInputStream> mPostDataStream;
|
|
nsCOMPtr<nsIInputStream> mHeadersDataStream;
|
|
nsCOMPtr<nsIContent> mContent;
|
|
nsLinkVerb mVerb;
|
|
};
|
|
|
|
static void PR_CALLBACK HandlePLEvent(OnLinkClickEvent* aEvent)
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|
{
|
|
aEvent->HandleEvent();
|
|
}
|
|
|
|
static void PR_CALLBACK DestroyPLEvent(OnLinkClickEvent* aEvent)
|
|
{
|
|
delete aEvent;
|
|
}
|
|
|
|
OnLinkClickEvent::OnLinkClickEvent(nsWebShell* aHandler,
|
|
nsIContent *aContent,
|
|
nsLinkVerb aVerb,
|
|
nsIURI* aURI,
|
|
const PRUnichar* aTargetSpec,
|
|
nsIInputStream* aPostDataStream,
|
|
nsIInputStream* aHeadersDataStream)
|
|
{
|
|
mHandler = aHandler;
|
|
NS_ADDREF(aHandler);
|
|
mURI = aURI;
|
|
mTargetSpec.Assign(aTargetSpec);
|
|
mPostDataStream = aPostDataStream;
|
|
mHeadersDataStream = aHeadersDataStream;
|
|
mContent = aContent;
|
|
mVerb = aVerb;
|
|
|
|
PL_InitEvent(this, nsnull,
|
|
(PLHandleEventProc) ::HandlePLEvent,
|
|
(PLDestroyEventProc) ::DestroyPLEvent);
|
|
|
|
nsCOMPtr<nsIEventQueue> eventQueue;
|
|
aHandler->GetEventQueue(getter_AddRefs(eventQueue));
|
|
NS_ASSERTION(eventQueue, "no event queue");
|
|
if (eventQueue)
|
|
eventQueue->PostEvent(this);
|
|
}
|
|
|
|
OnLinkClickEvent::~OnLinkClickEvent()
|
|
{
|
|
NS_IF_RELEASE(mHandler);
|
|
}
|
|
|
|
//----------------------------------------
|
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|
|
NS_IMETHODIMP
|
|
nsWebShell::OnLinkClick(nsIContent* aContent,
|
|
nsLinkVerb aVerb,
|
|
nsIURI* aURI,
|
|
const PRUnichar* aTargetSpec,
|
|
nsIInputStream* aPostDataStream,
|
|
nsIInputStream* aHeadersDataStream)
|
|
{
|
|
OnLinkClickEvent* ev;
|
|
|
|
ev = new OnLinkClickEvent(this, aContent, aVerb, aURI,
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|
aTargetSpec, aPostDataStream, aHeadersDataStream);
|
|
if (!ev) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsWebShell::GetEventQueue(nsIEventQueue **aQueue)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aQueue);
|
|
*aQueue = 0;
|
|
|
|
nsCOMPtr<nsIEventQueueService> eventService(do_GetService(NS_EVENTQUEUESERVICE_CONTRACTID));
|
|
if (eventService)
|
|
eventService->GetThreadEventQueue(mThread, aQueue);
|
|
return *aQueue ? NS_OK : NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::OnLinkClickSync(nsIContent *aContent,
|
|
nsLinkVerb aVerb,
|
|
nsIURI* aURI,
|
|
const PRUnichar* aTargetSpec,
|
|
nsIInputStream* aPostDataStream,
|
|
nsIInputStream* aHeadersDataStream,
|
|
nsIDocShell** aDocShell,
|
|
nsIRequest** aRequest)
|
|
{
|
|
PRBool earlyReturn = PR_FALSE;
|
|
{
|
|
// defer to an external protocol handler if necessary...
|
|
nsCOMPtr<nsIExternalProtocolService> extProtService = do_GetService(NS_EXTERNALPROTOCOLSERVICE_CONTRACTID);
|
|
if (extProtService) {
|
|
nsCAutoString scheme;
|
|
aURI->GetScheme(scheme);
|
|
if (!scheme.IsEmpty()) {
|
|
// if the URL scheme does not correspond to an exposed protocol, then we
|
|
// need to hand this link click over to the external protocol handler.
|
|
PRBool isExposed;
|
|
nsresult rv = extProtService->IsExposedProtocol(scheme.get(), &isExposed);
|
|
if (NS_SUCCEEDED(rv) && !isExposed) {
|
|
rv = extProtService->LoadUrl(aURI);
|
|
if (NS_SUCCEEDED(rv))
|
|
earlyReturn = PR_TRUE;
|
|
else
|
|
NS_WARNING("failed to launch external protocol handler");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (earlyReturn)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMNode> node(do_QueryInterface(aContent));
|
|
NS_ENSURE_TRUE(node, NS_ERROR_UNEXPECTED);
|
|
|
|
PRBool isJS = PR_FALSE;
|
|
PRBool isData = PR_FALSE;
|
|
|
|
aURI->SchemeIs("javascript", &isJS);
|
|
aURI->SchemeIs("data", &isData);
|
|
|
|
if (isJS || isData) {
|
|
nsCOMPtr<nsIDocument> sourceDoc = aContent->GetDocument();
|
|
|
|
if (!sourceDoc) {
|
|
// The source is in a 'zombie' document, or not part of a
|
|
// document any more. Don't let it execute any javascript in the
|
|
// new document.
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
GetPresShell(getter_AddRefs(presShell));
|
|
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
|
|
|
|
if (presShell->GetDocument() != sourceDoc) {
|
|
// The source is not in the current document, don't let it
|
|
// execute any javascript in the current document.
|
|
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
// Get the owner document of the link that was clicked, this will be
|
|
// the document that the link is in, or the last document that the
|
|
// link was in. From that document, we'll get the URI to use as the
|
|
// referer, since the current URI in this webshell/docshell may be a
|
|
// new document that we're in the process of loading.
|
|
nsCOMPtr<nsIDOMDocument> refererOwnerDoc;
|
|
node->GetOwnerDocument(getter_AddRefs(refererOwnerDoc));
|
|
|
|
nsCOMPtr<nsIDocument> refererDoc(do_QueryInterface(refererOwnerDoc));
|
|
NS_ENSURE_TRUE(refererDoc, NS_ERROR_UNEXPECTED);
|
|
|
|
nsIURI *referer = refererDoc->GetDocumentURI();
|
|
|
|
// referer could be null here in some odd cases, but that's ok,
|
|
// we'll just load the link w/o sending a referer in those cases.
|
|
|
|
nsAutoString target(aTargetSpec);
|
|
|
|
// If this is an anchor element, grab its type property to use as a hint
|
|
nsAutoString typeHint;
|
|
nsCOMPtr<nsIDOMHTMLAnchorElement> anchor(do_QueryInterface(aContent));
|
|
if (anchor) {
|
|
anchor->GetType(typeHint);
|
|
}
|
|
|
|
// Initialize the DocShell / Request
|
|
if (aDocShell) {
|
|
*aDocShell = nsnull;
|
|
}
|
|
if (aRequest) {
|
|
*aRequest = nsnull;
|
|
}
|
|
|
|
switch(aVerb) {
|
|
case eLinkVerb_New:
|
|
target.AssignLiteral("_blank");
|
|
// Fall into replace case
|
|
case eLinkVerb_Undefined:
|
|
// Fall through, this seems like the most reasonable action
|
|
case eLinkVerb_Replace:
|
|
{
|
|
return InternalLoad(aURI, // New URI
|
|
referer, // Referer URI
|
|
nsnull, // No onwer
|
|
PR_TRUE, // Inherit owner from document
|
|
target.get(), // Window target
|
|
NS_LossyConvertUCS2toASCII(typeHint).get(),
|
|
aPostDataStream, // Post data stream
|
|
aHeadersDataStream, // Headers stream
|
|
LOAD_LINK, // Load type
|
|
nsnull, // No SHEntry
|
|
PR_TRUE, // first party site
|
|
aDocShell, // DocShell out-param
|
|
aRequest); // Request out-param
|
|
}
|
|
break;
|
|
case eLinkVerb_Embed:
|
|
// XXX TODO Should be similar to the HTML IMG ALT attribute handling
|
|
// in NS 4.x
|
|
default:
|
|
NS_ABORT_IF_FALSE(0,"unexpected link verb");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::OnOverLink(nsIContent* aContent,
|
|
nsIURI* aURI,
|
|
const PRUnichar* aTargetSpec)
|
|
{
|
|
nsCOMPtr<nsIWebBrowserChrome> browserChrome(do_GetInterface(mTreeOwner));
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
if (browserChrome) {
|
|
nsCOMPtr<nsITextToSubURI> textToSubURI = do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// use url origin charset to unescape the URL
|
|
nsCAutoString charset;
|
|
rv = aURI->GetOriginCharset(charset);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCAutoString spec;
|
|
rv = aURI->GetSpec(spec);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsAutoString uStr;
|
|
rv = textToSubURI->UnEscapeURIForUI(charset, spec, uStr);
|
|
|
|
if (NS_SUCCEEDED(rv))
|
|
rv = browserChrome->SetStatus(nsIWebBrowserChrome::STATUS_LINK, uStr.get());
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::OnLeaveLink()
|
|
{
|
|
nsCOMPtr<nsIWebBrowserChrome> browserChrome(do_GetInterface(mTreeOwner));
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
if (browserChrome) {
|
|
rv = browserChrome->SetStatus(nsIWebBrowserChrome::STATUS_LINK,
|
|
EmptyString().get());
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::GetLinkState(nsIURI* aLinkURI, nsLinkState& aState)
|
|
{
|
|
if (!aLinkURI) {
|
|
// No uri means not a link
|
|
aState = eLinkState_NotLink;
|
|
return NS_OK;
|
|
}
|
|
|
|
aState = eLinkState_Unvisited;
|
|
|
|
// no history, leave state unchanged
|
|
if (!mGlobalHistory)
|
|
return NS_OK;
|
|
|
|
PRBool isVisited;
|
|
NS_ENSURE_SUCCESS(mGlobalHistory->IsVisited(aLinkURI, &isVisited),
|
|
NS_ERROR_FAILURE);
|
|
if (isVisited)
|
|
aState = eLinkState_Visited;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
nsresult nsWebShell::EndPageLoad(nsIWebProgress *aProgress,
|
|
nsIChannel* channel,
|
|
nsresult aStatus)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
if(!channel)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIURI> url;
|
|
rv = channel->GetURI(getter_AddRefs(url));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// clean up reload state for meta charset
|
|
if(eCharsetReloadRequested == mCharsetReloadState)
|
|
mCharsetReloadState = eCharsetReloadStopOrigional;
|
|
else
|
|
mCharsetReloadState = eCharsetReloadInit;
|
|
|
|
//
|
|
// one of many safeguards that prevent death and destruction if
|
|
// someone is so very very rude as to bring this window down
|
|
// during this load handler.
|
|
//
|
|
nsCOMPtr<nsIWebShell> kungFuDeathGrip(this);
|
|
nsDocShell::EndPageLoad(aProgress, channel, aStatus);
|
|
|
|
// Test if this is the top frame or a subframe
|
|
PRBool isTopFrame = PR_TRUE;
|
|
nsCOMPtr<nsIDocShellTreeItem> targetParentTreeItem;
|
|
rv = GetSameTypeParent(getter_AddRefs(targetParentTreeItem));
|
|
if (NS_SUCCEEDED(rv) && targetParentTreeItem)
|
|
{
|
|
isTopFrame = PR_FALSE;
|
|
}
|
|
|
|
//
|
|
// If the page load failed, then deal with the error condition...
|
|
// Errors are handled as follows:
|
|
// 1. Check to see if it a file not found error.
|
|
// 2. Send the URI to a keyword server (if enabled)
|
|
// 3. If the error was DNS failure, then add www and .com to the URI
|
|
// (if appropriate).
|
|
// 4. Throw an error dialog box...
|
|
//
|
|
|
|
if(url && NS_FAILED(aStatus)) {
|
|
if (aStatus == NS_ERROR_FILE_NOT_FOUND) {
|
|
DisplayLoadError(aStatus, url, nsnull);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (sURIFixup)
|
|
{
|
|
//
|
|
// Try and make an alternative URI from the old one
|
|
//
|
|
nsCOMPtr<nsIURI> newURI;
|
|
|
|
nsCAutoString oldSpec;
|
|
url->GetSpec(oldSpec);
|
|
|
|
//
|
|
// First try keyword fixup
|
|
//
|
|
if (aStatus == NS_ERROR_UNKNOWN_HOST)
|
|
{
|
|
PRBool keywordsEnabled = PR_FALSE;
|
|
|
|
if (mPrefs && NS_FAILED(mPrefs->GetBoolPref("keyword.enabled", &keywordsEnabled)))
|
|
keywordsEnabled = PR_FALSE;
|
|
|
|
nsCAutoString host;
|
|
url->GetHost(host);
|
|
|
|
nsCAutoString scheme;
|
|
url->GetScheme(scheme);
|
|
|
|
PRInt32 dotLoc = host.FindChar('.');
|
|
|
|
// we should only perform a keyword search under the following conditions:
|
|
// (0) Pref keyword.enabled is true
|
|
// (1) the url scheme is http (or https)
|
|
// (2) the url does not have a protocol scheme
|
|
// If we don't enforce such a policy, then we end up doing keyword searchs on urls
|
|
// we don't intend like imap, file, mailbox, etc. This could lead to a security
|
|
// problem where we send data to the keyword server that we shouldn't be.
|
|
// Someone needs to clean up keywords in general so we can determine on a per url basis
|
|
// if we want keywords enabled...this is just a bandaid...
|
|
if (keywordsEnabled && !scheme.IsEmpty() &&
|
|
(scheme.Find("http") != 0)) {
|
|
keywordsEnabled = PR_FALSE;
|
|
}
|
|
|
|
// Don't perform fixup on an IP address
|
|
PRNetAddr addr;
|
|
if(PR_StringToNetAddr(host.get(), &addr) == PR_SUCCESS) {
|
|
keywordsEnabled = PR_FALSE;
|
|
}
|
|
|
|
if(keywordsEnabled && (-1 == dotLoc)) {
|
|
// only send non-qualified hosts to the keyword server
|
|
nsCAutoString keywordSpec("keyword:");
|
|
keywordSpec += host;
|
|
|
|
NS_NewURI(getter_AddRefs(newURI),
|
|
keywordSpec, nsnull);
|
|
} // end keywordsEnabled
|
|
}
|
|
|
|
//
|
|
// Now try change the address, e.g. turn http://foo into http://www.foo.com
|
|
//
|
|
if (aStatus == NS_ERROR_UNKNOWN_HOST ||
|
|
aStatus == NS_ERROR_NET_RESET)
|
|
{
|
|
PRBool doCreateAlternate = PR_TRUE;
|
|
|
|
// Skip fixup for anything except a normal document load operation on
|
|
// the topframe.
|
|
|
|
if (mLoadType != LOAD_NORMAL || !isTopFrame)
|
|
{
|
|
doCreateAlternate = PR_FALSE;
|
|
}
|
|
else
|
|
{
|
|
// Test if keyword lookup produced a new URI or not
|
|
if (newURI)
|
|
{
|
|
PRBool sameURI = PR_FALSE;
|
|
url->Equals(newURI, &sameURI);
|
|
if (!sameURI)
|
|
{
|
|
// Keyword lookup made a new URI so no need to try an
|
|
// alternate one.
|
|
doCreateAlternate = PR_FALSE;
|
|
}
|
|
}
|
|
}
|
|
if (doCreateAlternate)
|
|
{
|
|
newURI = nsnull;
|
|
sURIFixup->CreateFixupURI(oldSpec,
|
|
nsIURIFixup::FIXUP_FLAGS_MAKE_ALTERNATE_URI, getter_AddRefs(newURI));
|
|
}
|
|
}
|
|
|
|
//
|
|
// Did we make a new URI that is different to the old one? If so load it.
|
|
//
|
|
if (newURI)
|
|
{
|
|
// Make sure the new URI is different from the old one, otherwise
|
|
// there's little point trying to load it again.
|
|
PRBool sameURI = PR_FALSE;
|
|
url->Equals(newURI, &sameURI);
|
|
if (!sameURI)
|
|
{
|
|
nsCAutoString newSpec;
|
|
newURI->GetSpec(newSpec);
|
|
NS_ConvertUTF8toUCS2 newSpecW(newSpec);
|
|
|
|
// This seems evil, since it is modifying the original URL
|
|
rv = url->SetSpec(newSpec);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
return LoadURI(newSpecW.get(), // URI string
|
|
LOAD_FLAGS_NONE, // Load flags
|
|
nsnull, // Referring URI
|
|
nsnull, // Post data stream
|
|
nsnull); // Headers stream
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Well, fixup didn't work :-(
|
|
// It is time to throw an error dialog box, and be done with it...
|
|
//
|
|
|
|
// Errors to be shown only on top-level frames
|
|
if ((aStatus == NS_ERROR_UNKNOWN_HOST ||
|
|
aStatus == NS_ERROR_CONNECTION_REFUSED ||
|
|
aStatus == NS_ERROR_UNKNOWN_PROXY_HOST ||
|
|
aStatus == NS_ERROR_PROXY_CONNECTION_REFUSED) &&
|
|
(isTopFrame || mUseErrorPages)) {
|
|
DisplayLoadError(aStatus, url, nsnull);
|
|
}
|
|
// Errors to be shown for any frame
|
|
else if (aStatus == NS_ERROR_NET_TIMEOUT ||
|
|
aStatus == NS_ERROR_REDIRECT_LOOP ||
|
|
aStatus == NS_ERROR_UNKNOWN_SOCKET_TYPE ||
|
|
aStatus == NS_ERROR_NET_INTERRUPT ||
|
|
aStatus == NS_ERROR_NET_RESET) {
|
|
DisplayLoadError(aStatus, url, nsnull);
|
|
}
|
|
else if (aStatus == NS_ERROR_DOCUMENT_NOT_CACHED) {
|
|
/* A document that was requested to be fetched *only* from
|
|
* the cache is not in cache. May be this is one of those
|
|
* postdata results. Throw a dialog to the user,
|
|
* saying that the page has expired from cache and ask if
|
|
* they wish to refetch the page from the net. Do this only
|
|
* if the request is a form post.
|
|
*/
|
|
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
|
|
nsCAutoString method;
|
|
if (httpChannel)
|
|
httpChannel->GetRequestMethod(method);
|
|
if (method.Equals("POST") && !IsOffline()) {
|
|
nsCOMPtr<nsIPrompt> prompter;
|
|
PRBool repost;
|
|
nsCOMPtr<nsIStringBundle> stringBundle;
|
|
GetPromptAndStringBundle(getter_AddRefs(prompter),
|
|
getter_AddRefs(stringBundle));
|
|
|
|
if (stringBundle && prompter) {
|
|
nsXPIDLString messageStr;
|
|
nsresult rv = stringBundle->GetStringFromName(NS_LITERAL_STRING("repost").get(),
|
|
getter_Copies(messageStr));
|
|
|
|
if (NS_SUCCEEDED(rv) && messageStr) {
|
|
prompter->Confirm(nsnull, messageStr, &repost);
|
|
/* If the user pressed cancel in the dialog, return. Don't
|
|
* try to load the page with out the post data.
|
|
*/
|
|
if (!repost)
|
|
return NS_OK;
|
|
|
|
// The user wants to repost the data to the server.
|
|
// If the page was loaded due to a back/forward/go
|
|
// operation, update the session history index.
|
|
// This is similar to the updating done in
|
|
// nsDocShell::OnNewURI() for regular pages
|
|
nsCOMPtr<nsISHistory> rootSH=mSessionHistory;
|
|
if (!mSessionHistory) {
|
|
nsCOMPtr<nsIDocShellTreeItem> root;
|
|
//Get the root docshell
|
|
GetSameTypeRootTreeItem(getter_AddRefs(root));
|
|
if (root) {
|
|
// QI root to nsIWebNavigation
|
|
nsCOMPtr<nsIWebNavigation> rootAsWebnav(do_QueryInterface(root));
|
|
if (rootAsWebnav) {
|
|
// Get the handle to SH from the root docshell
|
|
rootAsWebnav->GetSessionHistory(getter_AddRefs(rootSH));
|
|
}
|
|
}
|
|
} // mSessionHistory
|
|
|
|
if (rootSH && (mLoadType & LOAD_CMD_HISTORY)) {
|
|
nsCOMPtr<nsISHistoryInternal> shInternal(do_QueryInterface(rootSH));
|
|
if (shInternal)
|
|
shInternal->UpdateIndex();
|
|
}
|
|
/* The user does want to repost the data to the server.
|
|
* Initiate a new load again.
|
|
*/
|
|
/* Get the postdata if any from the channel */
|
|
nsCOMPtr<nsIInputStream> inputStream;
|
|
nsCOMPtr<nsIURI> referrer;
|
|
if (channel) {
|
|
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
|
|
|
|
if(httpChannel) {
|
|
httpChannel->GetReferrer(getter_AddRefs(referrer));
|
|
nsCOMPtr<nsIUploadChannel> uploadChannel(do_QueryInterface(channel));
|
|
if (uploadChannel) {
|
|
uploadChannel->GetUploadStream(getter_AddRefs(inputStream));
|
|
}
|
|
}
|
|
}
|
|
nsCOMPtr<nsISeekableStream> postDataSeekable(do_QueryInterface(inputStream));
|
|
if (postDataSeekable)
|
|
{
|
|
postDataSeekable->Seek(nsISeekableStream::NS_SEEK_SET, 0);
|
|
}
|
|
InternalLoad(url, // URI
|
|
referrer, // Referring URI
|
|
nsnull, // Owner
|
|
PR_TRUE, // Inherit owner
|
|
nsnull, // No window target
|
|
nsnull, // No type hint
|
|
inputStream, // Post data stream
|
|
nsnull, // No headers stream
|
|
LOAD_RELOAD_BYPASS_PROXY_AND_CACHE,// Load type
|
|
nsnull, // No SHEntry
|
|
PR_TRUE, // first party site
|
|
nsnull, // No nsIDocShell
|
|
nsnull); // No nsIRequest
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
DisplayLoadError(aStatus, url, nsnull);
|
|
}
|
|
}
|
|
} // if we have a host
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//
|
|
// Routines for selection and clipboard
|
|
//
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
nsresult
|
|
nsWebShell::GetControllerForCommand ( const char * inCommand, nsIController** outController )
|
|
{
|
|
NS_ENSURE_ARG_POINTER(outController);
|
|
*outController = nsnull;
|
|
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsPIDOMWindow> window ( do_QueryInterface(mScriptGlobal) );
|
|
if ( window ) {
|
|
nsIFocusController *focusController = window->GetRootFocusController();
|
|
if ( focusController )
|
|
rv = focusController->GetControllerForCommand ( inCommand, outController );
|
|
} // if window
|
|
|
|
return rv;
|
|
|
|
} // GetControllerForCommand
|
|
|
|
|
|
nsresult
|
|
nsWebShell::IsCommandEnabled ( const char * inCommand, PRBool* outEnabled )
|
|
{
|
|
NS_ENSURE_ARG_POINTER(outEnabled);
|
|
*outEnabled = PR_FALSE;
|
|
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIController> controller;
|
|
rv = GetControllerForCommand ( inCommand, getter_AddRefs(controller) );
|
|
if ( controller )
|
|
rv = controller->IsCommandEnabled(inCommand, outEnabled);
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsWebShell::DoCommand ( const char * inCommand )
|
|
{
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIController> controller;
|
|
rv = GetControllerForCommand ( inCommand, getter_AddRefs(controller) );
|
|
if ( controller )
|
|
rv = controller->DoCommand(inCommand);
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::CanCutSelection(PRBool* aResult)
|
|
{
|
|
return IsCommandEnabled ( "cmd_cut", aResult );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::CanCopySelection(PRBool* aResult)
|
|
{
|
|
return IsCommandEnabled ( "cmd_copy", aResult );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::CanCopyLinkLocation(PRBool* aResult)
|
|
{
|
|
return IsCommandEnabled ( "cmd_copyLink", aResult );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::CanCopyImageLocation(PRBool* aResult)
|
|
{
|
|
return IsCommandEnabled ( "cmd_copyImageLocation",
|
|
aResult );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::CanCopyImageContents(PRBool* aResult)
|
|
{
|
|
return IsCommandEnabled ( "cmd_copyImageContents",
|
|
aResult );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::CanPaste(PRBool* aResult)
|
|
{
|
|
return IsCommandEnabled ( "cmd_paste", aResult );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::CutSelection(void)
|
|
{
|
|
return DoCommand ( "cmd_cut" );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::CopySelection(void)
|
|
{
|
|
return DoCommand ( "cmd_copy" );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::CopyLinkLocation(void)
|
|
{
|
|
return DoCommand ( "cmd_copyLink" );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::CopyImageLocation(void)
|
|
{
|
|
return DoCommand ( "cmd_copyImageLocation" );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::CopyImageContents(void)
|
|
{
|
|
return DoCommand ( "cmd_copyImageContents" );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::Paste(void)
|
|
{
|
|
return DoCommand ( "cmd_paste" );
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWebShell::SelectAll(void)
|
|
{
|
|
return DoCommand ( "cmd_selectAll" );
|
|
}
|
|
|
|
|
|
//
|
|
// SelectNone
|
|
//
|
|
// Collapses the current selection, insertion point ends up at beginning
|
|
// of previous selection.
|
|
//
|
|
NS_IMETHODIMP
|
|
nsWebShell::SelectNone(void)
|
|
{
|
|
return DoCommand ( "cmd_selectNone" );
|
|
}
|
|
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
//*****************************************************************************
|
|
// nsWebShell::nsIBaseWindow
|
|
//*****************************************************************************
|
|
|
|
NS_IMETHODIMP nsWebShell::Create()
|
|
{
|
|
// Remember the current thread (in current and forseeable implementations,
|
|
// it'll just be the unique UI thread)
|
|
//
|
|
// Since this call must be made on the UI thread, we know the Event Queue
|
|
// will be associated with the current thread...
|
|
//
|
|
mThread = PR_GetCurrentThread();
|
|
|
|
WEB_TRACE(WEB_TRACE_CALLS,
|
|
("nsWebShell::Init: this=%p", this));
|
|
|
|
// HACK....force the uri loader to give us a load cookie for this webshell...then get its
|
|
// doc loader and store it...as more of the docshell lands, we'll be able to get rid
|
|
// of this hack...
|
|
nsresult rv;
|
|
nsCOMPtr<nsIURILoader> uriLoader = do_GetService(NS_URI_LOADER_CONTRACTID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = uriLoader->GetDocumentLoaderForContext(this,
|
|
getter_AddRefs(mDocLoader));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIContentViewerContainer> shellAsContainer;
|
|
CallQueryInterface(this, NS_STATIC_CAST(nsIContentViewerContainer**, getter_AddRefs(shellAsContainer)));
|
|
// Set the webshell as the default IContentViewerContainer for the loader...
|
|
mDocLoader->SetContainer(shellAsContainer);
|
|
|
|
return nsDocShell::Create();
|
|
}
|
|
|
|
NS_IMETHODIMP nsWebShell::Destroy()
|
|
{
|
|
nsDocShell::Destroy();
|
|
|
|
SetContainer(nsnull);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
unsigned long nsWebShell::gNumberOfWebShells = 0;
|
|
#endif
|