зеркало из https://github.com/mozilla/gecko-dev.git
2122 строки
59 KiB
C++
2122 строки
59 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the 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 Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#ifdef XP_MAC
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#include "nsIDocumentLoader.h"
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#define NS_IMPL_IDS
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#else
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#define NS_IMPL_IDS
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#include "nsIDocumentLoader.h"
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#endif
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#include "prmem.h"
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#include "plstr.h"
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#include "nsString.h"
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#include "nsISupportsArray.h"
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#include "nsIURL.h"
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#include "nsIStreamListener.h"
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#include "nsIPostToServer.h"
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#include "nsIFactory.h"
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#include "nsIContentViewerContainer.h"
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#include "nsIRefreshUrl.h"
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#include "nsITimer.h"
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#include "nsIDocumentLoaderObserver.h"
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#include "nsVoidArray.h"
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#include "nsIHttpURL.h"
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#include "nsILoadAttribs.h"
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#include "nsIURLGroup.h"
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#include "nsIServiceManager.h"
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#include "nsINetService.h"
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#include "nsXPComFactory.h"
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// XXX: Only needed for dummy factory...
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#include "nsIDocument.h"
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#include "nsIDocumentViewer.h"
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#include "nsICSSParser.h"
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#include "nsICSSStyleSheet.h"
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#include "nsLayoutCID.h"
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#include "nsRDFCID.h"
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#include "nsIXULParentDocument.h"
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#include "nsIXULChildDocument.h"
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#include "nsIRDFResource.h"
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#include "nsIXULDocumentInfo.h"
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#include "nsCOMPtr.h"
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/* Forward declarations.... */
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class nsDocLoaderImpl;
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#ifdef DEBUG
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#undef NOISY_CREATE_DOC
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#else
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#undef NOISY_CREATE_DOC
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#endif
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#if defined(DEBUG) || defined(FORCE_PR_LOG)
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PRLogModuleInfo* gDocLoaderLog = nsnull;
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#endif /* DEBUG || FORCE_PR_LOG */
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/* Private IIDs... */
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/* eb001fa0-214f-11d2-bec0-00805f8a66dc */
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#define NS_DOCUMENTBINDINFO_IID \
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{ 0xeb001fa0, 0x214f, 0x11d2, \
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{0xbe, 0xc0, 0x00, 0x80, 0x5f, 0x8a, 0x66, 0xdc} }
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/* Define IIDs... */
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NS_DEFINE_IID(kIStreamObserverIID, NS_ISTREAMOBSERVER_IID);
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NS_DEFINE_IID(kIDocumentLoaderIID, NS_IDOCUMENTLOADER_IID);
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NS_DEFINE_IID(kIDocumentLoaderFactoryIID, NS_IDOCUMENTLOADERFACTORY_IID);
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NS_DEFINE_IID(kDocumentBindInfoIID, NS_DOCUMENTBINDINFO_IID);
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NS_DEFINE_IID(kIURLGroupIID, NS_IURLGROUP_IID);
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NS_DEFINE_IID(kRefreshURLIID, NS_IREFRESHURL_IID);
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NS_DEFINE_IID(kHTTPURLIID, NS_IHTTPURL_IID);
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NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
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NS_DEFINE_IID(kIStreamListenerIID, NS_ISTREAMLISTENER_IID);
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NS_DEFINE_IID(kINetServiceIID, NS_INETSERVICE_IID);
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/* Define CIDs... */
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NS_DEFINE_IID(kCHTMLDocumentCID, NS_HTMLDOCUMENT_CID);
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NS_DEFINE_IID(kCXMLDocumentCID, NS_XMLDOCUMENT_CID);
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NS_DEFINE_IID(kCRDFHTMLBuilderCID, NS_RDFHTMLBUILDER_CID);
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NS_DEFINE_IID(kCXULDocumentCID, NS_XULDOCUMENT_CID);
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NS_DEFINE_IID(kCImageDocumentCID, NS_IMAGEDOCUMENT_CID);
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NS_DEFINE_IID(kNetServiceCID, NS_NETSERVICE_CID);
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/*
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* The nsDocumentBindInfo contains the state required when a single document
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* is being loaded... Each instance remains alive until its target URL has
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* been loaded (or aborted).
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*
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* The Document Loader maintains a list of nsDocumentBindInfo instances which
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* represents the set of documents actively being loaded...
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*/
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class nsDocumentBindInfo : public nsIStreamListener,
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public nsIRefreshUrl
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{
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public:
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nsDocumentBindInfo();
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nsresult Init(nsDocLoaderImpl* aDocLoader,
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const char *aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIStreamObserver* anObserver);
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NS_DECL_ISUPPORTS
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nsresult Bind(const nsString& aURLSpec,
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nsIPostData* aPostData,
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nsIStreamListener* aListener);
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nsresult Bind(nsIURL* aURL, nsIStreamListener* aListener);
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nsresult Stop(void);
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/* nsIStreamListener interface methods... */
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NS_IMETHOD GetBindInfo(nsIURL* aURL, nsStreamBindingInfo* aInfo);
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NS_IMETHOD OnProgress(nsIURL* aURL, PRUint32 aProgress, PRUint32 aProgressMax);
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NS_IMETHOD OnStatus(nsIURL* aURL, const PRUnichar* aMsg);
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NS_IMETHOD OnStartBinding(nsIURL* aURL, const char *aContentType);
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NS_IMETHOD OnDataAvailable(nsIURL* aURL, nsIInputStream *aStream, PRUint32 aLength);
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NS_IMETHOD OnStopBinding(nsIURL* aURL, nsresult aStatus, const PRUnichar* aMsg);
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nsresult GetStatus(void) { return mStatus; }
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/* nsIRefreshURL interface methods... */
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NS_IMETHOD RefreshURL(nsIURL* aURL, PRInt32 millis, PRBool repeat);
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NS_IMETHOD CancelRefreshURLTimers(void);
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protected:
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virtual ~nsDocumentBindInfo();
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protected:
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char* m_Command;
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nsIURL* m_Url;
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nsIContentViewerContainer* m_Container;
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nsISupports* m_ExtraInfo;
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nsIStreamObserver* m_Observer;
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nsIStreamListener* m_NextStream;
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nsDocLoaderImpl* m_DocLoader;
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nsresult mStatus;
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};
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/****************************************************************************
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* nsDocFactoryImpl implementation...
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****************************************************************************/
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class nsDocFactoryImpl : public nsIDocumentLoaderFactory
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{
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public:
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nsDocFactoryImpl();
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NS_DECL_ISUPPORTS
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NS_IMETHOD CreateInstance(nsIURL* aURL,
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const char* aContentType,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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nsresult InitUAStyleSheet();
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nsresult CreateDefaultDocument(nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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nsresult CreateXMLDocument(nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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nsresult CreateRDFDocument(const char* aContentType, nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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nsresult CreateImageDocument(nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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nsresult CreatePluginDocument(nsIURL* aURL,
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const char* aCommand,
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const char* aContentType,
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nsIContentViewerContainer* aContainer,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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};
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static nsICSSStyleSheet* gUAStyleSheet;
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nsDocFactoryImpl::nsDocFactoryImpl()
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{
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NS_INIT_REFCNT();
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}
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/*
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* Implementation of ISupports methods...
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*/
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NS_IMPL_ISUPPORTS(nsDocFactoryImpl,kIDocumentLoaderFactoryIID);
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static char* gValidTypes[] = {"text/html","application/rtf","text/plain",0};
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static char* gXMLTypes[] = {"text/xml", "application/xml", 0};
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static char* gRDFTypes[] = {"text/rdf", "text/xul", 0};
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static char* gImageTypes[] = {"image/gif", "image/jpeg", "image/png", 0 };
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static char* gPluginTypes[] = {
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"video/quicktime",
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"video/msvideo",
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"video/x-msvideo",
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"application/vnd.netfpx",
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"image/vnd.fpx",
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"model/vrml",
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"x-world/x-vrml",
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"audio/midi",
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"audio/x-midi",
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"audio/wav",
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"audio/x-wav",
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"audio/aiff",
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"audio/x-aiff",
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"audio/basic",
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"application/x-shockwave-flash",
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"application/pdf",
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"application/npapi-test",
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0
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};
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NS_IMETHODIMP
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nsDocFactoryImpl::CreateInstance(nsIURL* aURL,
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const char* aContentType,
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const char *aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer)
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{
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nsresult rv = NS_ERROR_FAILURE;
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if(0==PL_strcmp(gXMLTypes[0],aContentType))
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if(0==PL_strcmp(aCommand,"view-source"))
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aContentType=gValidTypes[0];
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int typeIndex=0;
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while(gValidTypes[typeIndex]) {
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if (0== PL_strcmp(gValidTypes[typeIndex++], aContentType)) {
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return CreateDefaultDocument(aURL, aCommand,
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aContainer,
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aDocListener,
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aDocViewer);
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}
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}
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// Try XML
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typeIndex = 0;
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while(gXMLTypes[typeIndex]) {
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if (0== PL_strcmp(gXMLTypes[typeIndex++], aContentType)) {
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return CreateXMLDocument(aURL, aCommand,
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aContainer,
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aDocListener,
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aDocViewer);
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}
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}
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// Try RDF
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typeIndex = 0;
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while (gRDFTypes[typeIndex]) {
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if (0 == PL_strcmp(gRDFTypes[typeIndex++], aContentType)) {
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return CreateRDFDocument(aContentType, aURL, aCommand,
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aContainer,
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aExtraInfo,
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aDocListener,
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aDocViewer);
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}
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}
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// Try image types
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typeIndex = 0;
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while(gImageTypes[typeIndex]) {
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if (0== PL_strcmp(gImageTypes[typeIndex++], aContentType)) {
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return CreateImageDocument(aURL, aCommand,
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aContainer,
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aDocListener,
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aDocViewer);
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}
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}
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// Try plugin types
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typeIndex = 0;
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while(gPluginTypes[typeIndex]) {
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if (0== PL_strcmp(gPluginTypes[typeIndex++], aContentType)) {
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return CreatePluginDocument(aURL, aCommand, aContentType,
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aContainer,
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aDocListener,
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aDocViewer);
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}
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}
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return rv;
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}
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nsresult
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nsDocFactoryImpl::CreateDefaultDocument(nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer)
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{
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nsresult rv = NS_ERROR_FAILURE;
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nsIDocument* doc = nsnull;
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nsIDocumentViewer* docv = nsnull;
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#ifdef NOISY_CREATE_DOC
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if (nsnull != aURL) {
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nsAutoString tmp;
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aURL->ToString(tmp);
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fputs(tmp, stdout);
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printf(": creating document\n");
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}
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#endif
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// Load the UA style sheet if we haven't already done that
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if (nsnull == gUAStyleSheet) {
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InitUAStyleSheet();
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}
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/*
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* Create the HTML document...
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*/
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rv = nsComponentManager::CreateInstance(kCHTMLDocumentCID,
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nsnull,
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kIDocumentIID,
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(void **)&doc);
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if (NS_FAILED(rv)) {
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goto done;
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}
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/*
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* Create the HTML Content Viewer...
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*/
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rv = NS_NewDocumentViewer(docv);
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if (NS_FAILED(rv)) {
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goto done;
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}
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docv->SetUAStyleSheet(gUAStyleSheet);
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/*
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* Initialize the document to begin loading the data...
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*
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* An nsIStreamListener connected to the parser is returned in
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* aDocListener.
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*/
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rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand);
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if (NS_FAILED(rv)) {
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NS_IF_RELEASE(docv);
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goto done;
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}
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/*
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* Bind the document to the Content Viewer...
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*/
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rv = docv->BindToDocument(doc, aCommand);
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*aDocViewer = docv;
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done:
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NS_IF_RELEASE(doc);
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return rv;
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}
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nsresult
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nsDocFactoryImpl::CreateXMLDocument(nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer)
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{
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nsresult rv = NS_ERROR_FAILURE;
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nsIDocument* doc = nsnull;
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nsIDocumentViewer* docv = nsnull;
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// Load the UA style sheet if we haven't already done that
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if (nsnull == gUAStyleSheet) {
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InitUAStyleSheet();
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}
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/*
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* Create the image document...
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*/
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rv = nsComponentManager::CreateInstance(kCXMLDocumentCID,
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nsnull,
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kIDocumentIID,
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(void **)&doc);
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if (NS_FAILED(rv)) {
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goto done;
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}
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/*
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* Create the image content viewer...
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*/
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rv = NS_NewDocumentViewer(docv);
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if (NS_FAILED(rv)) {
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goto done;
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}
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docv->SetUAStyleSheet(gUAStyleSheet);
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/*
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* Initialize the document to begin loading the data...
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*
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* An nsIStreamListener connected to the parser is returned in
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* aDocListener.
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*/
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rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand);
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if (NS_FAILED(rv)) {
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NS_IF_RELEASE(docv);
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goto done;
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}
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/*
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* Bind the document to the Content Viewer...
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*/
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rv = docv->BindToDocument(doc, aCommand);
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*aDocViewer = docv;
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done:
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NS_IF_RELEASE(doc);
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return rv;
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}
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nsresult
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nsDocFactoryImpl::CreateRDFDocument(const char* aContentType, nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer)
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|
{
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nsresult rv = NS_ERROR_FAILURE;
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nsIDocument* doc = nsnull;
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nsIDocumentViewer* docv = nsnull;
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nsCOMPtr<nsIXULDocumentInfo> xulDocumentInfo;
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xulDocumentInfo = do_QueryInterface(aExtraInfo);
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// Load the UA style sheet if we haven't already done that
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if (nsnull == gUAStyleSheet) {
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InitUAStyleSheet();
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}
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|
/*
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* Create the image document...
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|
*/
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if (NS_FAILED(rv = nsComponentManager::CreateInstance(kCXULDocumentCID,
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nsnull,
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|
kIDocumentIID,
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|
(void **)&doc)))
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|
goto done;
|
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|
|
/*
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* Create the image content viewer...
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|
*/
|
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if (NS_FAILED(rv = NS_NewDocumentViewer(docv)))
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|
goto done;
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|
docv->SetUAStyleSheet(gUAStyleSheet);
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|
|
// We are capable of being a XUL child document. If
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// we have extra info that supports the XUL document info
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// interface, then we'll know for sure.
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if (xulDocumentInfo) {
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// We are a XUL fragment. Retrieve the parent document
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// and the fragment's root position within the parent
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// document.
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nsCOMPtr<nsIDocument> parentDocument;
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nsCOMPtr<nsIRDFResource> fragmentRoot;
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if (NS_SUCCEEDED(xulDocumentInfo->GetDocument(getter_AddRefs(parentDocument))) &&
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NS_SUCCEEDED(xulDocumentInfo->GetResource(getter_AddRefs(fragmentRoot)))) {
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// We were able to obtain a resource and a parent document.
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parentDocument->AddSubDocument(doc);
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doc->SetParentDocument(parentDocument);
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// We need to set our fragment root as well. The
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// XUL child document interface is required to do this.
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nsCOMPtr<nsIXULChildDocument> xulChildDoc;
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xulChildDoc = do_QueryInterface(doc);
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if (xulChildDoc) {
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xulChildDoc->SetFragmentRoot(fragmentRoot);
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}
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}
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}
|
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|
|
/*
|
|
* Initialize the document to begin loading the data...
|
|
*
|
|
* An nsIStreamListener connected to the parser is returned in
|
|
* aDocListener.
|
|
*/
|
|
if (NS_FAILED(rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand))) {
|
|
NS_RELEASE(docv);
|
|
goto done;
|
|
}
|
|
|
|
/*
|
|
* Bind the document to the Content Viewer...
|
|
*/
|
|
rv = docv->BindToDocument(doc, aCommand);
|
|
*aDocViewer = docv;
|
|
|
|
done:
|
|
NS_IF_RELEASE(doc);
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsDocFactoryImpl::CreateImageDocument(nsIURL* aURL,
|
|
const char* aCommand,
|
|
nsIContentViewerContainer* aContainer,
|
|
nsIStreamListener** aDocListener,
|
|
nsIContentViewer** aDocViewer)
|
|
{
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
nsIDocument* doc = nsnull;
|
|
nsIDocumentViewer* docv = nsnull;
|
|
|
|
// Load the UA style sheet if we haven't already done that
|
|
if (nsnull == gUAStyleSheet) {
|
|
InitUAStyleSheet();
|
|
}
|
|
|
|
/*
|
|
* Create the image document...
|
|
*/
|
|
rv = nsComponentManager::CreateInstance(kCImageDocumentCID,
|
|
nsnull,
|
|
kIDocumentIID,
|
|
(void **)&doc);
|
|
if (NS_FAILED(rv)) {
|
|
goto done;
|
|
}
|
|
|
|
/*
|
|
* Create the image content viewer...
|
|
*/
|
|
rv = NS_NewDocumentViewer(docv);
|
|
if (NS_FAILED(rv)) {
|
|
goto done;
|
|
}
|
|
docv->SetUAStyleSheet(gUAStyleSheet);
|
|
|
|
/*
|
|
* Initialize the document to begin loading the data...
|
|
*
|
|
* An nsIStreamListener connected to the parser is returned in
|
|
* aDocListener.
|
|
*/
|
|
rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener,aCommand);
|
|
if (NS_FAILED(rv)) {
|
|
NS_IF_RELEASE(docv);
|
|
goto done;
|
|
}
|
|
|
|
/*
|
|
* Bind the document to the Content Viewer...
|
|
*/
|
|
rv = docv->BindToDocument(doc, aCommand);
|
|
*aDocViewer = docv;
|
|
|
|
done:
|
|
NS_IF_RELEASE(doc);
|
|
return rv;
|
|
}
|
|
|
|
extern nsresult
|
|
NS_NewPluginContentViewer(const char* aCommand,
|
|
nsIStreamListener** aDocListener,
|
|
nsIContentViewer** aDocViewer);
|
|
|
|
nsresult
|
|
nsDocFactoryImpl::CreatePluginDocument(nsIURL* aURL,
|
|
const char* aCommand,
|
|
const char* aContentType,
|
|
nsIContentViewerContainer* aContainer,
|
|
nsIStreamListener** aDocListener,
|
|
nsIContentViewer** aDocViewer)
|
|
{
|
|
/*
|
|
* Create the plugin content viewer and stream listener...
|
|
*/
|
|
nsresult rv = NS_NewPluginContentViewer(aCommand,
|
|
aDocListener,
|
|
aDocViewer);
|
|
return rv;
|
|
}
|
|
|
|
#define UA_CSS_URL "resource:/res/ua.css"
|
|
|
|
nsresult nsDocFactoryImpl::InitUAStyleSheet()
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
if (nsnull == gUAStyleSheet) { // snarf one
|
|
nsIURL* uaURL;
|
|
rv = NS_NewURL(&uaURL, nsString(UA_CSS_URL)); // XXX this bites, fix it
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// Get an input stream from the url
|
|
nsIInputStream* in;
|
|
rv = NS_OpenURL(uaURL, &in);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// Translate the input using the argument character set id into unicode
|
|
nsIUnicharInputStream* uin;
|
|
rv = NS_NewConverterStream(&uin, nsnull, in);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// Create parser and set it up to process the input file
|
|
nsICSSParser* css;
|
|
rv = NS_NewCSSParser(&css);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// Parse the input and produce a style set
|
|
// XXX note: we are ignoring rv until the error code stuff in the
|
|
// input routines is converted to use nsresult's
|
|
css->Parse(uin, uaURL, gUAStyleSheet);
|
|
NS_RELEASE(css);
|
|
}
|
|
NS_RELEASE(uin);
|
|
}
|
|
NS_RELEASE(in);
|
|
}
|
|
else {
|
|
printf("open of %s failed: error=%x\n", UA_CSS_URL, rv);
|
|
rv = NS_ERROR_ILLEGAL_VALUE; // XXX need a better error code here
|
|
}
|
|
|
|
NS_RELEASE(uaURL);
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
* nsDocLoaderImpl implementation...
|
|
****************************************************************************/
|
|
|
|
class nsDocLoaderImpl : public nsIDocumentLoader,
|
|
public nsIURLGroup
|
|
{
|
|
public:
|
|
|
|
nsDocLoaderImpl();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
// nsIDocumentLoader interface
|
|
NS_IMETHOD LoadDocument(const nsString& aURLSpec,
|
|
const char *aCommand,
|
|
nsIContentViewerContainer* aContainer,
|
|
nsIPostData* aPostData = nsnull,
|
|
nsISupports* aExtraInfo = nsnull,
|
|
nsIStreamObserver* anObserver = nsnull,
|
|
nsURLReloadType aType = nsURLReload,
|
|
const PRUint32 aLocalIP = 0);
|
|
|
|
NS_IMETHOD LoadSubDocument(const nsString& aURLSpec,
|
|
nsISupports* aExtraInfo = nsnull,
|
|
nsURLReloadType type = nsURLReload,
|
|
const PRUint32 aLocalIP = 0);
|
|
|
|
NS_IMETHOD Stop(void);
|
|
|
|
NS_IMETHOD IsBusy(PRBool& aResult);
|
|
|
|
NS_IMETHOD CreateDocumentLoader(nsIDocumentLoader** anInstance);
|
|
NS_IMETHOD SetDocumentFactory(nsIDocumentLoaderFactory* aFactory);
|
|
|
|
NS_IMETHOD AddObserver(nsIDocumentLoaderObserver *aObserver);
|
|
NS_IMETHOD RemoveObserver(nsIDocumentLoaderObserver *aObserver);
|
|
|
|
NS_IMETHOD SetContainer(nsIContentViewerContainer* aContainer);
|
|
NS_IMETHOD GetContainer(nsIContentViewerContainer** aResult);
|
|
|
|
// nsIURLGroup interface...
|
|
NS_IMETHOD CreateURL(nsIURL** aInstancePtrResult,
|
|
nsIURL* aBaseURL,
|
|
const nsString& aSpec,
|
|
nsISupports* aContainer);
|
|
|
|
NS_IMETHOD OpenStream(nsIURL *aUrl,
|
|
nsIStreamListener *aConsumer);
|
|
|
|
NS_IMETHOD GetDefaultLoadAttributes(nsILoadAttribs*& aLoadAttribs);
|
|
NS_IMETHOD SetDefaultLoadAttributes(nsILoadAttribs* aLoadAttribs);
|
|
|
|
NS_IMETHOD AddChildGroup(nsIURLGroup* aGroup);
|
|
NS_IMETHOD RemoveChildGroup(nsIURLGroup* aGroup);
|
|
|
|
// Implementation specific methods...
|
|
void FireOnStartDocumentLoad(nsIURL* aURL, const char* aCOmmand);
|
|
void FireOnEndDocumentLoad(PRInt32 aStatus);
|
|
|
|
void FireOnStartURLLoad(nsIURL* aURL, const char* aContentType,
|
|
nsIContentViewer* aViewer);
|
|
|
|
void FireOnProgressURLLoad(nsIURL* aURL, PRUint32 aProgress,
|
|
PRUint32 aProgressMax);
|
|
|
|
void FireOnStatusURLLoad(nsIURL* aURL, nsString& aMsg);
|
|
|
|
void FireOnEndURLLoad(nsIURL* aURL, PRInt32 aStatus);
|
|
void AreAllConnectionsComplete(void);
|
|
void LoadURLComplete(nsIURL* aURL, nsISupports* aLoader, PRInt32 aStatus);
|
|
void SetParent(nsDocLoaderImpl* aParent);
|
|
void SetDocumentUrl(nsIURL* aUrl);
|
|
protected:
|
|
virtual ~nsDocLoaderImpl();
|
|
|
|
private:
|
|
static PRBool StopBindInfoEnumerator (nsISupports* aElement, void* aData);
|
|
static PRBool StopDocLoaderEnumerator(void* aElement, void* aData);
|
|
static PRBool IsBusyEnumerator(void* aElement, void* aData);
|
|
|
|
public:
|
|
nsIDocumentLoaderFactory* m_DocFactory;
|
|
|
|
protected:
|
|
nsIURL* mDocumentUrl;
|
|
nsISupportsArray* m_LoadingDocsList;
|
|
|
|
nsVoidArray mChildGroupList;
|
|
nsVoidArray mDocObservers;
|
|
nsILoadAttribs* m_LoadAttrib;
|
|
nsIStreamObserver* mStreamObserver;
|
|
nsIContentViewerContainer* mContainer;
|
|
|
|
nsDocLoaderImpl* mParent;
|
|
/*
|
|
* The following counts are for the current document loader only. They
|
|
* do not take into account URLs being loaded by child document loaders.
|
|
*/
|
|
PRInt32 mForegroundURLs;
|
|
PRInt32 mTotalURLs;
|
|
/*
|
|
* This flag indicates that the loader is loading a document. It is set
|
|
* from the call to LoadDocument(...) until the OnConnectionsComplete(...)
|
|
* notification is fired...
|
|
*/
|
|
PRBool mIsLoadingDocument;
|
|
};
|
|
|
|
|
|
nsDocLoaderImpl::nsDocLoaderImpl()
|
|
{
|
|
NS_INIT_REFCNT();
|
|
|
|
#if defined(DEBUG) || defined(FORCE_PR_LOG)
|
|
if (nsnull == gDocLoaderLog) {
|
|
gDocLoaderLog = PR_NewLogModule("DocLoader");
|
|
}
|
|
#endif /* DEBUG || FORCE_PR_LOG */
|
|
|
|
mDocumentUrl = nsnull;
|
|
mParent = nsnull;
|
|
mStreamObserver = nsnull;
|
|
mContainer = nsnull;
|
|
mForegroundURLs = 0;
|
|
mTotalURLs = 0;
|
|
|
|
mIsLoadingDocument = PR_FALSE;
|
|
|
|
NS_NewISupportsArray(&m_LoadingDocsList);
|
|
NS_NewLoadAttribs(&m_LoadAttrib);
|
|
|
|
m_DocFactory = new nsDocFactoryImpl();
|
|
NS_ADDREF(m_DocFactory);
|
|
|
|
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - DocLoader [%p] created.\n", this));
|
|
}
|
|
|
|
|
|
nsDocLoaderImpl::~nsDocLoaderImpl()
|
|
{
|
|
Stop();
|
|
if (nsnull != mParent) {
|
|
mParent->RemoveChildGroup(this);
|
|
NS_RELEASE(mParent);
|
|
}
|
|
|
|
NS_IF_RELEASE(m_LoadingDocsList);
|
|
NS_IF_RELEASE(m_DocFactory);
|
|
NS_IF_RELEASE(m_LoadAttrib);
|
|
NS_IF_RELEASE(mStreamObserver);
|
|
NS_IF_RELEASE(mContainer);
|
|
NS_IF_RELEASE(mDocumentUrl);
|
|
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - DocLoader [%p] deleted.\n", this));
|
|
|
|
NS_PRECONDITION((0 == mChildGroupList.Count()), "Document loader has children...");
|
|
}
|
|
|
|
|
|
/*
|
|
* Implementation of ISupports methods...
|
|
*/
|
|
NS_IMPL_ADDREF(nsDocLoaderImpl);
|
|
NS_IMPL_RELEASE(nsDocLoaderImpl);
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::QueryInterface(REFNSIID aIID, void** aInstancePtr)
|
|
{
|
|
if (NULL == aInstancePtr) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (aIID.Equals(kIDocumentLoaderIID)) {
|
|
*aInstancePtr = (void*)(nsIDocumentLoader*)this;
|
|
NS_ADDREF_THIS();
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(kIURLGroupIID)) {
|
|
*aInstancePtr = (void*)(nsIURLGroup*)this;
|
|
NS_ADDREF_THIS();
|
|
return NS_OK;
|
|
}
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::CreateDocumentLoader(nsIDocumentLoader** anInstance)
|
|
{
|
|
nsDocLoaderImpl* newLoader = nsnull;
|
|
nsresult rv = NS_OK;
|
|
|
|
/* Check for initial error conditions... */
|
|
if (nsnull == anInstance) {
|
|
rv = NS_ERROR_NULL_POINTER;
|
|
goto done;
|
|
}
|
|
|
|
NS_NEWXPCOM(newLoader, nsDocLoaderImpl);
|
|
if (nsnull == newLoader) {
|
|
*anInstance = nsnull;
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
goto done;
|
|
}
|
|
rv = newLoader->QueryInterface(kIDocumentLoaderIID, (void**)anInstance);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
AddChildGroup(newLoader);
|
|
newLoader->SetParent(this);
|
|
}
|
|
|
|
done:
|
|
return rv;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::SetDocumentFactory(nsIDocumentLoaderFactory* aFactory)
|
|
{
|
|
NS_IF_RELEASE(m_DocFactory);
|
|
m_DocFactory = aFactory;
|
|
NS_IF_ADDREF(m_DocFactory);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::LoadDocument(const nsString& aURLSpec,
|
|
const char* aCommand,
|
|
nsIContentViewerContainer* aContainer,
|
|
nsIPostData* aPostData,
|
|
nsISupports* aExtraInfo,
|
|
nsIStreamObserver* anObserver,
|
|
nsURLReloadType aType,
|
|
const PRUint32 aLocalIP)
|
|
{
|
|
nsresult rv;
|
|
nsURLLoadType loadType;
|
|
nsDocumentBindInfo* loader = nsnull;
|
|
|
|
#if defined(DEBUG)
|
|
char buffer[256];
|
|
|
|
aURLSpec.ToCString(buffer, sizeof(buffer));
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - LoadDocument(...) called for %s.",
|
|
buffer));
|
|
#endif /* DEBUG */
|
|
|
|
/* Check for initial error conditions... */
|
|
if (nsnull == aContainer) {
|
|
rv = NS_ERROR_NULL_POINTER;
|
|
goto done;
|
|
}
|
|
|
|
NS_NEWXPCOM(loader, nsDocumentBindInfo);
|
|
if (nsnull == loader) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
goto done;
|
|
}
|
|
loader->Init(this, // DocLoader
|
|
aCommand, // Command
|
|
aContainer, // Viewer Container
|
|
aExtraInfo, // Extra Info
|
|
anObserver); // Observer
|
|
|
|
/* The DocumentBindInfo reference is only held by the Array... */
|
|
m_LoadingDocsList->AppendElement((nsIStreamListener *)loader);
|
|
|
|
/* Initialize the URL counters... */
|
|
NS_PRECONDITION(((mTotalURLs == 0) && (mForegroundURLs == 0)), "DocuemntLoader is busy...");
|
|
rv = m_LoadAttrib->GetLoadType(&loadType);
|
|
if (NS_FAILED(rv)) {
|
|
loadType = nsURLLoadNormal;
|
|
}
|
|
if (nsURLLoadBackground != loadType) {
|
|
mForegroundURLs = 1;
|
|
}
|
|
mTotalURLs = 1;
|
|
/*
|
|
* Set the flag indicating that the document loader is in the process of
|
|
* loading a document. This flag will remain set until the
|
|
* OnConnectionsComplete(...) notification is fired for the loader...
|
|
*/
|
|
mIsLoadingDocument = PR_TRUE;
|
|
|
|
m_LoadAttrib->SetReloadType(aType);
|
|
// If we've got special loading instructions, mind them.
|
|
if ((aType == nsURLReloadBypassProxy) ||
|
|
(aType == nsURLReloadBypassCacheAndProxy)) {
|
|
m_LoadAttrib->SetBypassProxy(PR_TRUE);
|
|
}
|
|
if ( aLocalIP ) {
|
|
m_LoadAttrib->SetLocalIP(aLocalIP);
|
|
}
|
|
|
|
NS_IF_RELEASE(mStreamObserver);
|
|
mStreamObserver = anObserver;
|
|
NS_IF_ADDREF(mStreamObserver);
|
|
|
|
rv = loader->Bind(aURLSpec, aPostData, nsnull);
|
|
|
|
done:
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::LoadSubDocument(const nsString& aURLSpec,
|
|
nsISupports* aExtraInfo,
|
|
nsURLReloadType type,
|
|
const PRUint32 aLocalIP)
|
|
{
|
|
nsresult rv;
|
|
nsDocumentBindInfo* loader = nsnull;
|
|
|
|
#ifdef DEBUG
|
|
char buffer[256];
|
|
|
|
aURLSpec.ToCString(buffer, sizeof(buffer));
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - LoadSubDocument(...) called for %s.",
|
|
buffer));
|
|
#endif /* DEBUG */
|
|
|
|
NS_NEWXPCOM(loader, nsDocumentBindInfo);
|
|
if (nsnull == loader) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
return rv;
|
|
}
|
|
loader->Init(this, // DocLoader
|
|
nsnull, // Command
|
|
nsnull, // Viewer Container
|
|
aExtraInfo, // Extra Info
|
|
mStreamObserver); // Observer
|
|
|
|
/* The DocumentBindInfo reference is only held by the Array... */
|
|
m_LoadingDocsList->AppendElement((nsIStreamListener *)loader);
|
|
|
|
/* Increment the URL counters... */
|
|
mForegroundURLs++;
|
|
mTotalURLs++;
|
|
|
|
rv = loader->Bind(aURLSpec, nsnull, nsnull);
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::Stop(void)
|
|
{
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - Stop() called\n"));
|
|
|
|
m_LoadingDocsList->EnumerateForwards(nsDocLoaderImpl::StopBindInfoEnumerator, nsnull);
|
|
|
|
/*
|
|
* Now the only reference to each nsDocumentBindInfo instance is held by
|
|
* Netlib via the nsIStreamListener interface...
|
|
*
|
|
* When each connection is aborted, Netlib will release its reference to
|
|
* the StreamListener and the DocumentBindInfo object will be deleted...
|
|
*/
|
|
m_LoadingDocsList->Clear();
|
|
|
|
/*
|
|
* Now Stop() all documents being loaded by child DocumentLoaders...
|
|
*/
|
|
mChildGroupList.EnumerateForwards(nsDocLoaderImpl::StopDocLoaderEnumerator, nsnull);
|
|
|
|
/* Reset the URL counters... */
|
|
mForegroundURLs = 0;
|
|
mTotalURLs = 0;
|
|
|
|
/*
|
|
* Release the Stream Observer...
|
|
* It will be set on the next LoadDocument(...)
|
|
*/
|
|
NS_IF_RELEASE(mStreamObserver);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::IsBusy(PRBool& aResult)
|
|
{
|
|
aResult = PR_FALSE;
|
|
|
|
/* If this document loader is busy? */
|
|
if (0 != mForegroundURLs) {
|
|
aResult = PR_TRUE;
|
|
}
|
|
/* Otherwise, check its child document loaders... */
|
|
else {
|
|
mChildGroupList.EnumerateForwards(nsDocLoaderImpl::IsBusyEnumerator,
|
|
(void*)&aResult);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/*
|
|
* Do not hold refs to the objects in the observer lists. Observers
|
|
* are expected to remove themselves upon their destruction if they
|
|
* have not removed themselves previously
|
|
*/
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::AddObserver(nsIDocumentLoaderObserver* aObserver)
|
|
{
|
|
// Make sure the observer isn't already in the list
|
|
if (mDocObservers.IndexOf(aObserver) == -1) {
|
|
mDocObservers.AppendElement(aObserver);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::RemoveObserver(nsIDocumentLoaderObserver* aObserver)
|
|
{
|
|
if (PR_TRUE == mDocObservers.RemoveElement(aObserver)) {
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::SetContainer(nsIContentViewerContainer* aContainer)
|
|
{
|
|
NS_IF_RELEASE(mContainer);
|
|
mContainer = aContainer;
|
|
NS_IF_ADDREF(mContainer);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::GetContainer(nsIContentViewerContainer** aResult)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
if (nsnull == aResult) {
|
|
rv = NS_ERROR_NULL_POINTER;
|
|
} else {
|
|
*aResult = mContainer;
|
|
NS_IF_ADDREF(mContainer);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::CreateURL(nsIURL** aInstancePtrResult,
|
|
nsIURL* aBaseURL,
|
|
const nsString& aURLSpec,
|
|
nsISupports* aContainer)
|
|
{
|
|
nsresult rv;
|
|
nsIURL* url = nsnull;
|
|
|
|
/* Check for initial error conditions... */
|
|
if (nsnull == aInstancePtrResult) {
|
|
rv = NS_ERROR_NULL_POINTER;
|
|
} else {
|
|
rv = NS_NewURL(&url, aURLSpec, aBaseURL, aContainer, this);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
nsILoadAttribs* loadAttributes;
|
|
|
|
rv = url->GetLoadAttribs(&loadAttributes);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
loadAttributes->Clone(m_LoadAttrib);
|
|
NS_RELEASE(loadAttributes);
|
|
}
|
|
}
|
|
*aInstancePtrResult = url;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::OpenStream(nsIURL *aUrl, nsIStreamListener *aConsumer)
|
|
{
|
|
nsresult rv;
|
|
nsDocumentBindInfo* loader = nsnull;
|
|
nsURLLoadType loadType = nsURLLoadNormal;
|
|
|
|
#if defined(DEBUG)
|
|
const char* buffer;
|
|
|
|
aUrl->GetSpec(&buffer);
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - OpenStream(...) called for %s.",
|
|
buffer));
|
|
#endif /* DEBUG */
|
|
|
|
|
|
NS_NEWXPCOM(loader, nsDocumentBindInfo);
|
|
if (nsnull == loader) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
goto done;
|
|
}
|
|
loader->Init(this, // DocLoader
|
|
nsnull, // Command
|
|
mContainer, // Viewer Container
|
|
nsnull, // Extra Info
|
|
mStreamObserver); // Observer
|
|
|
|
/* The DocumentBindInfo reference is only held by the Array... */
|
|
m_LoadingDocsList->AppendElement(((nsISupports*)(nsIStreamObserver*)loader));
|
|
|
|
/* Update the URL counters... */
|
|
nsILoadAttribs* loadAttributes;
|
|
|
|
rv = aUrl->GetLoadAttribs(&loadAttributes);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = loadAttributes->GetLoadType(&loadType);
|
|
if (NS_FAILED(rv)) {
|
|
loadType = nsURLLoadNormal;
|
|
}
|
|
NS_RELEASE(loadAttributes);
|
|
}
|
|
if (nsURLLoadBackground != loadType) {
|
|
mForegroundURLs += 1;
|
|
}
|
|
mTotalURLs += 1;
|
|
|
|
rv = loader->Bind(aUrl, aConsumer);
|
|
done:
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::GetDefaultLoadAttributes(nsILoadAttribs*& aLoadAttribs)
|
|
{
|
|
aLoadAttribs = m_LoadAttrib;
|
|
NS_IF_ADDREF(m_LoadAttrib);
|
|
|
|
return NS_OK;;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::SetDefaultLoadAttributes(nsILoadAttribs* aLoadAttribs)
|
|
{
|
|
m_LoadAttrib->Clone(aLoadAttribs);
|
|
|
|
/*
|
|
* Now set the default attributes for all child DocumentLoaders...
|
|
*/
|
|
PRInt32 count = mChildGroupList.Count();
|
|
PRInt32 index;
|
|
|
|
for (index = 0; index < count; index++) {
|
|
nsIURLGroup* child = (nsIURLGroup*)mChildGroupList.ElementAt(index);
|
|
child->SetDefaultLoadAttributes(m_LoadAttrib);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::AddChildGroup(nsIURLGroup* aGroup)
|
|
{
|
|
mChildGroupList.AppendElement(aGroup);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::RemoveChildGroup(nsIURLGroup* aGroup)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
if (PR_FALSE == mChildGroupList.RemoveElement(aGroup)) {
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
|
|
void nsDocLoaderImpl::FireOnStartDocumentLoad(nsIURL* aURL,
|
|
const char* aCommand)
|
|
{
|
|
PRInt32 count = mDocObservers.Count();
|
|
PRInt32 index;
|
|
|
|
/*
|
|
* First notify any observers that the URL load has begun...
|
|
*/
|
|
for (index = 0; index < count; index++) {
|
|
nsIDocumentLoaderObserver* observer = (nsIDocumentLoaderObserver*)mDocObservers.ElementAt(index);
|
|
observer->OnStartDocumentLoad(aURL, aCommand);
|
|
}
|
|
|
|
/*
|
|
* Finally notify the parent...
|
|
*/
|
|
if (nsnull != mParent) {
|
|
mParent->FireOnStartDocumentLoad(aURL, aCommand);
|
|
}
|
|
}
|
|
|
|
void nsDocLoaderImpl::FireOnEndDocumentLoad(PRInt32 aStatus)
|
|
{
|
|
PRInt32 count = mDocObservers.Count();
|
|
PRInt32 index;
|
|
|
|
/*
|
|
* First notify any observers that the URL load has begun...
|
|
*/
|
|
for (index = 0; index < count; index++) {
|
|
nsIDocumentLoaderObserver* observer = (nsIDocumentLoaderObserver*)mDocObservers.ElementAt(index);
|
|
observer->OnEndDocumentLoad(mDocumentUrl, aStatus);
|
|
}
|
|
|
|
/*
|
|
* Finally notify the parent...
|
|
*/
|
|
if (nsnull != mParent) {
|
|
mParent->FireOnEndDocumentLoad(aStatus);
|
|
}
|
|
}
|
|
|
|
void nsDocLoaderImpl::FireOnStartURLLoad(nsIURL* aURL, const char* aContentType,
|
|
nsIContentViewer* aViewer)
|
|
{
|
|
PRInt32 count = mDocObservers.Count();
|
|
PRInt32 index;
|
|
|
|
/*
|
|
* First notify any observers that the URL load has begun...
|
|
*/
|
|
for (index = 0; index < count; index++) {
|
|
nsIDocumentLoaderObserver* observer = (nsIDocumentLoaderObserver*)mDocObservers.ElementAt(index);
|
|
observer->OnStartURLLoad(aURL, aContentType, aViewer);
|
|
}
|
|
|
|
/*
|
|
* Finally notify the parent...
|
|
*/
|
|
if (nsnull != mParent) {
|
|
mParent->FireOnStartURLLoad(aURL, aContentType, aViewer);
|
|
}
|
|
}
|
|
|
|
void nsDocLoaderImpl::FireOnProgressURLLoad(nsIURL* aURL, PRUint32 aProgress,
|
|
PRUint32 aProgressMax)
|
|
{
|
|
PRInt32 count = mDocObservers.Count();
|
|
PRInt32 index;
|
|
|
|
/*
|
|
* First notify any observers that there is progress information available...
|
|
*/
|
|
for (index = 0; index < count; index++) {
|
|
nsIDocumentLoaderObserver* observer = (nsIDocumentLoaderObserver*)mDocObservers.ElementAt(index);
|
|
observer->OnProgressURLLoad(aURL, aProgress, aProgressMax);
|
|
}
|
|
|
|
/*
|
|
* Finally notify the parent...
|
|
*/
|
|
if (nsnull != mParent) {
|
|
mParent->FireOnProgressURLLoad(aURL, aProgress, aProgressMax);
|
|
}
|
|
}
|
|
|
|
void nsDocLoaderImpl::FireOnStatusURLLoad(nsIURL* aURL, nsString& aMsg)
|
|
{
|
|
PRInt32 count = mDocObservers.Count();
|
|
PRInt32 index;
|
|
|
|
/*
|
|
* First notify any observers that there is status text available...
|
|
*/
|
|
for (index = 0; index < count; index++) {
|
|
nsIDocumentLoaderObserver* observer = (nsIDocumentLoaderObserver*)mDocObservers.ElementAt(index);
|
|
observer->OnStatusURLLoad(aURL, aMsg);
|
|
}
|
|
|
|
/*
|
|
* Finally notify the parent...
|
|
*/
|
|
if (nsnull != mParent) {
|
|
mParent->FireOnStatusURLLoad(aURL, aMsg);
|
|
}
|
|
}
|
|
|
|
void nsDocLoaderImpl::FireOnEndURLLoad(nsIURL* aURL, PRInt32 aStatus)
|
|
{
|
|
PRInt32 count = mDocObservers.Count();
|
|
PRInt32 index;
|
|
|
|
/*
|
|
* First notify any observers that the URL load has begun...
|
|
*/
|
|
for (index = 0; index < count; index++) {
|
|
nsIDocumentLoaderObserver* observer = (nsIDocumentLoaderObserver*)mDocObservers.ElementAt(index);
|
|
observer->OnEndURLLoad(aURL, aStatus);
|
|
}
|
|
|
|
/*
|
|
* Finally notify the parent...
|
|
*/
|
|
if (nsnull != mParent) {
|
|
mParent->FireOnEndURLLoad(aURL, aStatus);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void nsDocLoaderImpl::LoadURLComplete(nsIURL* aURL, nsISupports* aBindInfo, PRInt32 aStatus)
|
|
{
|
|
PRBool rv;
|
|
PRBool bIsForegroundURL = PR_FALSE;
|
|
|
|
/*
|
|
* If the entry is not found in the list, then it must have been cancelled
|
|
* via Stop(...). So ignore just it...
|
|
*/
|
|
rv = m_LoadingDocsList->RemoveElement(aBindInfo);
|
|
if (PR_FALSE != rv) {
|
|
nsILoadAttribs* loadAttributes;
|
|
nsURLLoadType loadType = nsURLLoadNormal;
|
|
|
|
rv = aURL->GetLoadAttribs(&loadAttributes);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = loadAttributes->GetLoadType(&loadType);
|
|
if (NS_FAILED(rv)) {
|
|
loadType = nsURLLoadNormal;
|
|
}
|
|
NS_RELEASE(loadAttributes);
|
|
}
|
|
if (nsURLLoadBackground != loadType) {
|
|
mForegroundURLs -= 1;
|
|
bIsForegroundURL = PR_TRUE;
|
|
}
|
|
mTotalURLs -= 1;
|
|
|
|
NS_ASSERTION((mTotalURLs >= mForegroundURLs), "Foreground URL count is wrong.");
|
|
|
|
#if defined(DEBUG)
|
|
const char* buffer;
|
|
|
|
aURL->GetSpec(&buffer);
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - LoadURLComplete(...) called for %s.\nForeground URLs: %d\nTotal URLs: %d\n",
|
|
buffer, mForegroundURLs, mTotalURLs));
|
|
#endif /* DEBUG */
|
|
}
|
|
/*
|
|
* Fire the OnEndURLLoad notification to any observers...
|
|
*/
|
|
FireOnEndURLLoad(aURL, aStatus);
|
|
|
|
/*
|
|
* Fire the OnEndDocumentLoad notification to any observers...
|
|
*/
|
|
if (0 == mForegroundURLs) {
|
|
#if defined(DEBUG)
|
|
const char* buffer;
|
|
|
|
mDocumentUrl->GetSpec(&buffer);
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - OnEndDocumentLoad(...) called for %s.\n", buffer));
|
|
#endif /* DEBUG */
|
|
|
|
FireOnEndDocumentLoad(aStatus);
|
|
}
|
|
|
|
/*
|
|
* If this was the last URL for the entire document (including any sub
|
|
* documents) then fire an OnConnectionsComplete(...) notification.
|
|
*
|
|
* If the URL was a background URL, then ignore it...
|
|
*/
|
|
if (PR_FALSE != bIsForegroundURL) {
|
|
AreAllConnectionsComplete();
|
|
}
|
|
}
|
|
|
|
void nsDocLoaderImpl::AreAllConnectionsComplete(void)
|
|
{
|
|
PRBool bIsBusy = PR_TRUE;
|
|
|
|
/*
|
|
* Fire an OnConnectionsComplete(...) notification if the document loader
|
|
* is looading a document, but all of the document URLs have been completed.
|
|
*/
|
|
if (mIsLoadingDocument) {
|
|
IsBusy(bIsBusy);
|
|
|
|
if (!bIsBusy) {
|
|
PRInt32 count = mDocObservers.Count();
|
|
PRInt32 index;
|
|
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader [%p] - OnConnectionsComplete(...) called.\n", this));
|
|
/*
|
|
* Clear the flag indicating that the document loader is still loading a
|
|
* document...
|
|
*/
|
|
mIsLoadingDocument = PR_FALSE;
|
|
|
|
/* Notify all observers that all connections have been loaded... */
|
|
for (index = 0; index < count; index++) {
|
|
nsIDocumentLoaderObserver* observer = (nsIDocumentLoaderObserver*)mDocObservers.ElementAt(index);
|
|
observer->OnConnectionsComplete();
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* See if the parent document loader has finished all of its connections
|
|
* too..
|
|
*/
|
|
if ((!bIsBusy) && (nsnull != mParent)) {
|
|
mParent->AreAllConnectionsComplete();
|
|
}
|
|
}
|
|
|
|
void nsDocLoaderImpl::SetParent(nsDocLoaderImpl* aParent)
|
|
{
|
|
NS_IF_RELEASE(mParent);
|
|
mParent = aParent;
|
|
NS_IF_ADDREF(mParent);
|
|
}
|
|
|
|
void nsDocLoaderImpl::SetDocumentUrl(nsIURL* aUrl)
|
|
{
|
|
NS_IF_RELEASE(mDocumentUrl);
|
|
mDocumentUrl = aUrl;
|
|
NS_IF_ADDREF(mDocumentUrl);
|
|
}
|
|
|
|
PRBool nsDocLoaderImpl::StopBindInfoEnumerator(nsISupports* aElement, void* aData)
|
|
{
|
|
nsresult rv;
|
|
nsDocumentBindInfo* bindInfo;
|
|
|
|
rv = aElement->QueryInterface(kDocumentBindInfoIID, (void**)&bindInfo);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
bindInfo->Stop();
|
|
NS_RELEASE(bindInfo);
|
|
}
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
PRBool nsDocLoaderImpl::StopDocLoaderEnumerator(void* aElement, void* aData)
|
|
{
|
|
nsresult rv;
|
|
nsIDocumentLoader* docLoader;
|
|
|
|
rv = ((nsISupports*)aElement)->QueryInterface(kIDocumentLoaderIID, (void**)&docLoader);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
docLoader->Stop();
|
|
NS_RELEASE(docLoader);
|
|
}
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
PRBool nsDocLoaderImpl::IsBusyEnumerator(void* aElement, void* aData)
|
|
{
|
|
nsresult rv;
|
|
nsIDocumentLoader* docLoader;
|
|
PRBool* result = (PRBool*)aData;
|
|
|
|
rv = ((nsISupports*)aElement)->QueryInterface(kIDocumentLoaderIID, (void**)&docLoader);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
docLoader->IsBusy(*result);
|
|
NS_RELEASE(docLoader);
|
|
}
|
|
|
|
return !(*result);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* nsDocumentBindInfo implementation...
|
|
****************************************************************************/
|
|
|
|
nsDocumentBindInfo::nsDocumentBindInfo()
|
|
{
|
|
NS_INIT_REFCNT();
|
|
|
|
m_Command = nsnull;
|
|
m_Url = nsnull;
|
|
m_Container = nsnull;
|
|
m_ExtraInfo = nsnull;
|
|
m_Observer = nsnull;
|
|
m_NextStream = nsnull;
|
|
m_DocLoader = nsnull;
|
|
mStatus = NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsDocumentBindInfo::Init(nsDocLoaderImpl* aDocLoader,
|
|
const char *aCommand,
|
|
nsIContentViewerContainer* aContainer,
|
|
nsISupports* aExtraInfo,
|
|
nsIStreamObserver* anObserver)
|
|
{
|
|
|
|
m_Url = nsnull;
|
|
m_NextStream = nsnull;
|
|
m_Command = (nsnull != aCommand) ? PL_strdup(aCommand) : nsnull;
|
|
|
|
m_DocLoader = aDocLoader;
|
|
NS_ADDREF(m_DocLoader);
|
|
|
|
m_Container = aContainer;
|
|
NS_IF_ADDREF(m_Container);
|
|
|
|
m_Observer = anObserver;
|
|
NS_IF_ADDREF(m_Observer);
|
|
|
|
m_ExtraInfo = aExtraInfo;
|
|
NS_IF_ADDREF(m_ExtraInfo);
|
|
|
|
mStatus = NS_OK;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsDocumentBindInfo::~nsDocumentBindInfo()
|
|
{
|
|
if (m_Command) {
|
|
PR_Free(m_Command);
|
|
}
|
|
m_Command = nsnull;
|
|
|
|
NS_RELEASE (m_DocLoader);
|
|
NS_IF_RELEASE(m_Url);
|
|
NS_IF_RELEASE(m_NextStream);
|
|
NS_IF_RELEASE(m_Container);
|
|
NS_IF_RELEASE(m_Observer);
|
|
NS_IF_RELEASE(m_ExtraInfo);
|
|
}
|
|
|
|
/*
|
|
* Implementation of ISupports methods...
|
|
*/
|
|
NS_IMPL_ADDREF(nsDocumentBindInfo);
|
|
NS_IMPL_RELEASE(nsDocumentBindInfo);
|
|
|
|
nsresult
|
|
nsDocumentBindInfo::QueryInterface(const nsIID& aIID,
|
|
void** aInstancePtrResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer");
|
|
if (nsnull == aInstancePtrResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
*aInstancePtrResult = NULL;
|
|
|
|
if (aIID.Equals(kIStreamObserverIID)) {
|
|
*aInstancePtrResult = (void*) ((nsIStreamObserver*)this);
|
|
NS_ADDREF_THIS();
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(kIStreamListenerIID)) {
|
|
*aInstancePtrResult = (void*) ((nsIStreamListener*)this);
|
|
NS_ADDREF_THIS();
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(kDocumentBindInfoIID)) {
|
|
*aInstancePtrResult = (void*) this;
|
|
NS_ADDREF_THIS();
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(kRefreshURLIID)) {
|
|
*aInstancePtrResult = (void*) ((nsIRefreshUrl*)this);
|
|
NS_ADDREF_THIS();
|
|
return NS_OK;
|
|
}
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
nsresult nsDocumentBindInfo::Bind(const nsString& aURLSpec,
|
|
nsIPostData* aPostData,
|
|
nsIStreamListener* aListener)
|
|
{
|
|
nsresult rv;
|
|
nsIURL* url = nsnull;
|
|
|
|
/* If this nsDocumentBindInfo was created with a container pointer.
|
|
* extract the nsISupports iface from it and create the url with
|
|
* the nsISupports pointer so the backend can have access to the front
|
|
* end nsIContentViewerContainer for refreshing urls.
|
|
*/
|
|
rv = m_DocLoader->CreateURL(&url, nsnull, aURLSpec, m_Container);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
/* Store any POST data into the URL */
|
|
if (nsnull != aPostData) {
|
|
static NS_DEFINE_IID(kPostToServerIID, NS_IPOSTTOSERVER_IID);
|
|
nsIPostToServer* pts;
|
|
|
|
rv = url->QueryInterface(kPostToServerIID, (void **)&pts);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
const char* data = aPostData->GetData();
|
|
|
|
if (aPostData->IsFile()) {
|
|
pts->SendDataFromFile(data);
|
|
}
|
|
else {
|
|
pts->SendData(data, aPostData->GetDataLength());
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Set the URL has the current "document" being loaded...
|
|
*/
|
|
m_DocLoader->SetDocumentUrl(url);
|
|
|
|
/*
|
|
* Initiate the network request...
|
|
*/
|
|
rv = Bind(url, aListener);
|
|
NS_RELEASE(url);
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
nsresult nsDocumentBindInfo::Bind(nsIURL* aURL, nsIStreamListener* aListener)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
nsINetService *inet = nsnull;
|
|
|
|
m_Url = aURL;
|
|
NS_ADDREF(m_Url);
|
|
|
|
#if defined(DEBUG)
|
|
const char *buffer;
|
|
|
|
aURL->GetSpec(&buffer);
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - OnStartDocumentLoad(...) called for %s.\n", buffer));
|
|
#endif /* DEBUG */
|
|
|
|
m_DocLoader->FireOnStartDocumentLoad(aURL, m_Command);
|
|
|
|
/* Set up the stream listener (if provided)... */
|
|
if (nsnull != aListener) {
|
|
m_NextStream = aListener;
|
|
NS_ADDREF(m_NextStream);
|
|
}
|
|
|
|
/* Start the URL binding process... */
|
|
rv = nsServiceManager::GetService(kNetServiceCID,
|
|
kINetServiceIID,
|
|
(nsISupports **)&inet);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = inet->OpenStream(m_Url, this);
|
|
nsServiceManager::ReleaseService(kNetServiceCID, inet);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
nsresult nsDocumentBindInfo::Stop(void)
|
|
{
|
|
nsresult rv;
|
|
nsINetService* inet;
|
|
if (m_Url == nsnull) return NS_OK;
|
|
|
|
#if defined(DEBUG)
|
|
const char* spec;
|
|
|
|
rv = m_Url->GetSpec(&spec);
|
|
if (NS_SUCCEEDED(rv))
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - Stop(...) called for %s.\n", spec));
|
|
#endif /* DEBUG */
|
|
|
|
/*
|
|
* Mark the IStreamListener as being aborted... If more data is pushed
|
|
* down the stream, the connection will be aborted...
|
|
*/
|
|
mStatus = NS_BINDING_ABORTED;
|
|
|
|
/* Stop the URL binding process... */
|
|
rv = nsServiceManager::GetService(kNetServiceCID,
|
|
kINetServiceIID,
|
|
(nsISupports **)&inet);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = inet->InterruptStream(m_Url);
|
|
nsServiceManager::ReleaseService(kNetServiceCID, inet);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_METHOD nsDocumentBindInfo::GetBindInfo(nsIURL* aURL, nsStreamBindingInfo* aInfo)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
NS_PRECONDITION(nsnull !=m_NextStream, "DocLoader: No stream for document");
|
|
|
|
if (nsnull != m_NextStream) {
|
|
rv = m_NextStream->GetBindInfo(aURL, aInfo);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_METHOD nsDocumentBindInfo::OnProgress(nsIURL* aURL, PRUint32 aProgress,
|
|
PRUint32 aProgressMax)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
#if defined(DEBUG)
|
|
const char* spec;
|
|
(void)aURL->GetSpec(&spec);
|
|
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - OnProgress(...) called for %s. Progress: %d. ProgressMax: %d\n",
|
|
spec, aProgress, aProgressMax));
|
|
#endif /* DEBUG */
|
|
|
|
/* Pass the notification out to the next stream listener... */
|
|
if (nsnull != m_NextStream) {
|
|
rv = m_NextStream->OnProgress(aURL, aProgress, aProgressMax);
|
|
}
|
|
|
|
/* Pass the notification out to any observers... */
|
|
m_DocLoader->FireOnProgressURLLoad(aURL, aProgress, aProgressMax);
|
|
|
|
/* Pass the notification out to the Observer... */
|
|
if (nsnull != m_Observer) {
|
|
/* XXX: Should we ignore the return value? */
|
|
(void) m_Observer->OnProgress(aURL, aProgress, aProgressMax);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_METHOD nsDocumentBindInfo::OnStatus(nsIURL* aURL, const PRUnichar* aMsg)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
/* Pass the notification out to the next stream listener... */
|
|
if (nsnull != m_NextStream) {
|
|
rv = m_NextStream->OnStatus(aURL, aMsg);
|
|
}
|
|
|
|
/* Pass the notification out to any observers... */
|
|
nsString msgStr(aMsg);
|
|
m_DocLoader->FireOnStatusURLLoad(aURL, msgStr);
|
|
|
|
/* Pass the notification out to the Observer... */
|
|
if (nsnull != m_Observer) {
|
|
/* XXX: Should we ignore the return value? */
|
|
(void) m_Observer->OnStatus(aURL, aMsg);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_METHOD nsDocumentBindInfo::OnStartBinding(nsIURL* aURL, const char *aContentType)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
nsIContentViewer* viewer = nsnull;
|
|
|
|
#if defined(DEBUG)
|
|
const char* spec;
|
|
(void)aURL->GetSpec(&spec);
|
|
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - OnStartBinding(...) called for %s. Content-type is %s\n",
|
|
spec, aContentType));
|
|
#endif /* DEBUG */
|
|
|
|
/* If the binding has been canceled via Stop() then abort the load... */
|
|
if (NS_BINDING_ABORTED == mStatus) {
|
|
rv = NS_BINDING_ABORTED;
|
|
goto done;
|
|
}
|
|
|
|
if (nsnull == m_NextStream) {
|
|
|
|
/*
|
|
* Now that the content type is available, create a document (and viewer)
|
|
* of the appropriate type...
|
|
*/
|
|
if (m_DocLoader->m_DocFactory) {
|
|
rv = m_DocLoader->m_DocFactory->CreateInstance(m_Url,
|
|
aContentType,
|
|
m_Command,
|
|
m_Container,
|
|
m_ExtraInfo,
|
|
&m_NextStream,
|
|
&viewer);
|
|
} else {
|
|
rv = NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
if (NS_FAILED(rv)) {
|
|
printf("DocLoaderFactory: Unable to create ContentViewer for content-type: %s\n", aContentType);
|
|
goto done;
|
|
}
|
|
|
|
/*
|
|
* Give the document container the new viewer...
|
|
*/
|
|
if (m_Container) {
|
|
viewer->SetContainer(m_Container);
|
|
|
|
rv = m_Container->Embed(viewer, m_Command, m_ExtraInfo);
|
|
if (NS_FAILED(rv)) {
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
* Pass the OnStartBinding(...) notification out to the document
|
|
* IStreamListener.
|
|
*/
|
|
if (nsnull != m_NextStream) {
|
|
rv = m_NextStream->OnStartBinding(aURL, aContentType);
|
|
}
|
|
|
|
/*
|
|
* Notify the DocumentLoadObserver(s)
|
|
*/
|
|
if ((nsnull == viewer) && (nsnull != m_Container)) {
|
|
m_Container->GetContentViewer(&viewer);
|
|
}
|
|
m_DocLoader->FireOnStartURLLoad(m_Url, aContentType, viewer);
|
|
|
|
/* Pass the notification out to the Observer... */
|
|
if (nsnull != m_Observer) {
|
|
nsresult rv2 = m_Observer->OnStartBinding(aURL, aContentType);
|
|
if (NS_SUCCEEDED(rv))
|
|
rv = rv2;
|
|
}
|
|
|
|
done:
|
|
NS_IF_RELEASE(viewer);
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_METHOD nsDocumentBindInfo::OnDataAvailable(nsIURL* aURL,
|
|
nsIInputStream *aStream, PRUint32 aLength)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
#if defined(DEBUG)
|
|
const char* spec;
|
|
(void)aURL->GetSpec(&spec);
|
|
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - OnDataAvailable(...) called for %s. Bytes available: %d.\n",
|
|
spec, aLength));
|
|
#endif /* DEBUG */
|
|
|
|
/* If the binding has been canceled via Stop() then abort the load... */
|
|
if (NS_BINDING_ABORTED == mStatus) {
|
|
rv = NS_BINDING_ABORTED;
|
|
goto done;
|
|
}
|
|
|
|
if (nsnull != m_NextStream) {
|
|
/*
|
|
* Bump the refcount in case the stream gets destroyed while the data
|
|
* is being processed... If Stop(...) is called the stream could be
|
|
* freed prematurely :-(
|
|
*
|
|
* Currently this can happen if javascript loads a new URL
|
|
* (via nsIWebShell::LoadURL) during the parse phase...
|
|
*/
|
|
nsIStreamListener* listener = m_NextStream;
|
|
|
|
NS_ADDREF(listener);
|
|
rv = listener->OnDataAvailable(aURL, aStream, aLength);
|
|
NS_RELEASE(listener);
|
|
} else {
|
|
rv = NS_BINDING_FAILED;
|
|
}
|
|
|
|
done:
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_METHOD nsDocumentBindInfo::OnStopBinding(nsIURL* aURL, nsresult aStatus,
|
|
const PRUnichar* aMsg)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
#if defined(DEBUG)
|
|
const char* spec;
|
|
(void)aURL->GetSpec(&spec);
|
|
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader - OnStopBinding(...) called for %s. Status: %d.\n",
|
|
spec, aStatus));
|
|
#endif /* DEBUG */
|
|
|
|
if (nsnull != m_NextStream) {
|
|
rv = m_NextStream->OnStopBinding(aURL, aStatus, aMsg);
|
|
}
|
|
|
|
/* Pass the notification out to the Observer... */
|
|
if (nsnull != m_Observer) {
|
|
/* XXX: Should we ignore the return value? */
|
|
(void) m_Observer->OnStopBinding(aURL, aStatus, aMsg);
|
|
}
|
|
|
|
/*
|
|
* The stream is complete... Tell the DocumentLoader to release us...
|
|
*/
|
|
m_DocLoader->LoadURLComplete(aURL, (nsIStreamListener *)this, aStatus);
|
|
NS_IF_RELEASE(m_NextStream);
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_METHOD
|
|
nsDocumentBindInfo::RefreshURL(nsIURL* aURL, PRInt32 millis, PRBool repeat)
|
|
{
|
|
if (nsnull != m_Container) {
|
|
nsresult rv;
|
|
nsIRefreshUrl* refresher = nsnull;
|
|
|
|
/* Delegate the actual refresh call up-to the container. */
|
|
rv = m_Container->QueryInterface(kRefreshURLIID, (void**)&refresher);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
return PR_FALSE;
|
|
}
|
|
rv = refresher->RefreshURL(aURL, millis, repeat);
|
|
NS_RELEASE(refresher);
|
|
return rv;
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
NS_METHOD
|
|
nsDocumentBindInfo::CancelRefreshURLTimers(void)
|
|
{
|
|
if (nsnull != m_Container) {
|
|
nsresult rv;
|
|
nsIRefreshUrl* refresher = nsnull;
|
|
|
|
/* Delegate the actual cancel call up-to the container. */
|
|
rv = m_Container->QueryInterface(kRefreshURLIID, (void**)&refresher);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
return PR_FALSE;
|
|
}
|
|
rv = refresher->CancelRefreshURLTimers();
|
|
NS_RELEASE(refresher);
|
|
return rv;
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
/*******************************************
|
|
* nsDocLoaderServiceFactory
|
|
*******************************************/
|
|
static nsDocLoaderImpl* gServiceInstance = nsnull;
|
|
|
|
NS_DEF_FACTORY(DocLoaderServiceGen,nsDocLoaderImpl)
|
|
|
|
class nsDocLoaderServiceFactory : public nsDocLoaderServiceGenFactory
|
|
{
|
|
public:
|
|
NS_IMETHOD CreateInstance(nsISupports *aOuter,
|
|
const nsIID &aIID,
|
|
void **aResult);
|
|
};
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderServiceFactory::CreateInstance(nsISupports *aOuter,
|
|
const nsIID &aIID,
|
|
void **aResult)
|
|
{
|
|
nsresult rv;
|
|
nsDocLoaderImpl* inst;
|
|
|
|
// Parameter validation...
|
|
if (NULL == aResult) {
|
|
rv = NS_ERROR_NULL_POINTER;
|
|
goto done;
|
|
}
|
|
// Do not support aggregatable components...
|
|
*aResult = NULL;
|
|
if (NULL != aOuter) {
|
|
rv = NS_ERROR_NO_AGGREGATION;
|
|
goto done;
|
|
}
|
|
|
|
if (NULL == gServiceInstance) {
|
|
// Create a new instance of the component...
|
|
NS_NEWXPCOM(gServiceInstance, nsDocLoaderImpl);
|
|
if (NULL == gServiceInstance) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
goto done;
|
|
}
|
|
NS_ADDREF(gServiceInstance);
|
|
}
|
|
|
|
// If the QI fails, the component will be destroyed...
|
|
//
|
|
// Use a local copy so the NS_RELEASE() will not null the global
|
|
// pointer...
|
|
inst = gServiceInstance;
|
|
|
|
NS_ADDREF(inst);
|
|
rv = inst->QueryInterface(aIID, aResult);
|
|
NS_RELEASE(inst);
|
|
|
|
done:
|
|
return rv;
|
|
}
|
|
|
|
|
|
// Entry point to create nsDocLoaderService factory instances...
|
|
|
|
nsresult NS_NewDocLoaderServiceFactory(nsIFactory** aResult)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
nsIFactory* inst = new nsDocLoaderServiceFactory();
|
|
if (NULL == inst) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
else {
|
|
NS_ADDREF(inst);
|
|
}
|
|
*aResult = inst;
|
|
return rv;
|
|
}
|