зеркало из https://github.com/mozilla/pjs.git
1092 строки
29 KiB
C++
1092 строки
29 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 "nsINetSupport.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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// 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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/* Forward declarations.... */
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class nsDocLoaderImpl;
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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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/* 28475a80-2150-11d2-bec0-00805f8a66dc */
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#define NS_DOCLOADERIMPL_IID \
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{ 0x28475a80, 0x2150, 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(kDocLoaderImplIID, NS_DOCLOADERIMPL_IID);
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NS_DEFINE_IID(kDocumentBindInfoIID, NS_DOCUMENTBINDINFO_IID);
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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, public nsINetSupport
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{
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public:
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nsDocumentBindInfo(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 Stop(void);
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/* nsIStreamListener interface methods... */
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NS_IMETHOD GetBindInfo(nsIURL* aURL);
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NS_IMETHOD OnProgress(nsIURL* aURL, PRInt32 aProgress, PRInt32 aProgressMax);
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NS_IMETHOD OnStatus(nsIURL* aURL, const nsString& aMsg);
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NS_IMETHOD OnStartBinding(nsIURL* aURL, const char *aContentType);
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NS_IMETHOD OnDataAvailable(nsIURL* aURL, nsIInputStream *aStream, PRInt32 aLength);
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NS_IMETHOD OnStopBinding(nsIURL* aURL, PRInt32 aStatus, const nsString& aMsg);
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/* nsINetSupport interface methods */
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NS_IMETHOD_(void) Alert(const nsString &aText);
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NS_IMETHOD_(PRBool) Confirm(const nsString &aText);
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NS_IMETHOD_(PRBool) Prompt(const nsString &aText,
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const nsString &aDefault,
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nsString &aResult);
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NS_IMETHOD_(PRBool) PromptUserAndPassword(const nsString &aText,
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nsString &aUser,
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nsString &aPassword);
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NS_IMETHOD_(PRBool) PromptPassword(const nsString &aText,
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nsString &aPassword);
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nsresult GetStatus(void) { return mStatus; }
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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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nsINetSupport* m_NetSupport;
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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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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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nsresult InitUAStyleSheet();
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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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};
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static nsIStyleSheet* 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","text/xml","application/rtf",0};
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static char* gImageTypes[] = {"image/gif", "image/jpeg", 0 };
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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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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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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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goto nextstep;
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}
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}
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// Try secondary 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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goto done;
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nextstep:
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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 = NS_NewHTMLDocument(&doc);
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if (NS_OK != 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_OK != 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);
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if (NS_OK != 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::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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{
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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 = NS_NewImageDocument(&doc);
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if (NS_OK != 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_OK != 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);
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if (NS_OK != 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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#define UA_CSS_URL "resource:/res/ua.css"
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nsresult nsDocFactoryImpl::InitUAStyleSheet()
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{
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nsresult rv = NS_OK;
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if (nsnull == gUAStyleSheet) { // snarf one
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nsIURL* uaURL;
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rv = NS_NewURL(&uaURL, nsnull, UA_CSS_URL); // XXX this bites, fix it
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if (NS_OK == rv) {
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// Get an input stream from the url
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PRInt32 ec;
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nsIInputStream* in = uaURL->Open(&ec);
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if (nsnull != in) {
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// Translate the input using the argument character set id into unicode
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nsIUnicharInputStream* uin;
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rv = NS_NewConverterStream(&uin, nsnull, in);
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if (NS_OK == rv) {
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// Create parser and set it up to process the input file
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nsICSSParser* css;
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rv = NS_NewCSSParser(&css);
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if (NS_OK == rv) {
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// Parse the input and produce a style set
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// XXX note: we are ignoring rv until the error code stuff in the
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// input routines is converted to use nsresult's
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css->Parse(uin, uaURL, gUAStyleSheet);
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NS_RELEASE(css);
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}
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NS_RELEASE(uin);
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}
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NS_RELEASE(in);
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}
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else {
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// printf("open of %s failed: error=%x\n", UA_CSS_URL, ec);
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rv = NS_ERROR_ILLEGAL_VALUE; // XXX need a better error code here
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}
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NS_RELEASE(uaURL);
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}
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}
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return rv;
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}
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/****************************************************************************
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* nsDocLoaderImpl implementation...
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****************************************************************************/
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class nsDocLoaderImpl : public nsIDocumentLoader
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{
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public:
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nsDocLoaderImpl(nsDocLoaderImpl* aParent);
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NS_DECL_ISUPPORTS
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NS_IMETHOD LoadURL(const nsString& aURLSpec,
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const char *aCommand,
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nsIContentViewerContainer* aContainer,
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nsIPostData* aPostData = nsnull,
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nsISupports* aExtraInfo = nsnull,
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nsIStreamObserver* anObserver = nsnull);
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NS_IMETHOD LoadURL(const nsString& aURLSpec,
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nsIStreamListener* aListener);
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NS_IMETHOD Stop(void);
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NS_IMETHOD CreateDocumentLoader(nsIDocumentLoader** anInstance);
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NS_IMETHOD SetDocumentFactory(nsIDocumentLoaderFactory* aFactory);
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void LoadURLComplete(nsISupports* loader);
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protected:
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virtual ~nsDocLoaderImpl();
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private:
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static PRBool StopBindInfoEnumerator (nsISupports* aElement, void* aData);
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static PRBool StopDocLoaderEnumerator(nsISupports* aElement, void* aData);
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public:
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nsIDocumentLoaderFactory* m_DocFactory;
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protected:
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nsISupportsArray* m_LoadingDocsList;
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nsDocLoaderImpl* mParent;
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nsISupportsArray* mChildDocLoaderList;
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};
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nsDocLoaderImpl::nsDocLoaderImpl(nsDocLoaderImpl* aParent)
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{
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NS_INIT_REFCNT();
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NS_NewISupportsArray(&m_LoadingDocsList);
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NS_NewISupportsArray(&mChildDocLoaderList);
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mParent = aParent;
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NS_IF_ADDREF(mParent);
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m_DocFactory = new nsDocFactoryImpl();
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NS_ADDREF(m_DocFactory);
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}
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nsDocLoaderImpl::~nsDocLoaderImpl()
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{
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Stop();
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NS_IF_RELEASE(mParent);
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NS_IF_RELEASE(mChildDocLoaderList);
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NS_IF_RELEASE(m_LoadingDocsList);
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NS_IF_RELEASE(m_DocFactory);
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}
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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_ADDREF(nsDocLoaderImpl);
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NS_IMPL_RELEASE(nsDocLoaderImpl);
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NS_IMETHODIMP
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nsDocLoaderImpl::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kIDocumentLoaderIID)) {
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*aInstancePtr = (void*)(nsIDocumentLoader*)this;
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AddRef();
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return NS_OK;
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}
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if (aIID.Equals(kDocLoaderImplIID)) {
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*aInstancePtr = (void*)this;
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AddRef();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::CreateDocumentLoader(nsIDocumentLoader** anInstance)
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{
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nsDocLoaderImpl* newLoader = nsnull;
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nsresult rv = NS_OK;
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|
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/* Check for initial error conditions... */
|
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if (nsnull == anInstance) {
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rv = NS_ERROR_NULL_POINTER;
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goto done;
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}
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newLoader = new nsDocLoaderImpl(this);
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if (nsnull == newLoader) {
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rv = NS_ERROR_OUT_OF_MEMORY;
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goto done;
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}
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rv = newLoader->QueryInterface(kIDocumentLoaderIID, (void**)anInstance);
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|
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mChildDocLoaderList->AppendElement(newLoader);
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done:
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return rv;
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}
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|
|
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NS_IMETHODIMP
|
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nsDocLoaderImpl::SetDocumentFactory(nsIDocumentLoaderFactory* aFactory)
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{
|
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NS_IF_RELEASE(m_DocFactory);
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m_DocFactory = aFactory;
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NS_IF_ADDREF(m_DocFactory);
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return NS_OK;
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}
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|
|
|
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NS_IMETHODIMP
|
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nsDocLoaderImpl::LoadURL(const nsString& aURLSpec,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsIPostData* aPostData,
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nsISupports* aExtraInfo,
|
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nsIStreamObserver* anObserver)
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|
{
|
|
nsresult rv;
|
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nsDocumentBindInfo* loader = nsnull;
|
|
|
|
/* Check for initial error conditions... */
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|
if (nsnull == aContainer) {
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rv = NS_ERROR_NULL_POINTER;
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goto done;
|
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}
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|
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loader = new nsDocumentBindInfo(this, // DocLoader
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aCommand, // Command
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|
aContainer, // Viewer Container
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aExtraInfo, // Extra Info
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|
anObserver); // Observer
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|
if (nsnull == loader) {
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rv = NS_ERROR_OUT_OF_MEMORY;
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goto done;
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}
|
|
/* The DocumentBindInfo reference is only held by the Array... */
|
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m_LoadingDocsList->AppendElement((nsIStreamListener *)loader);
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|
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rv = loader->Bind(aURLSpec, aPostData, nsnull);
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done:
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return rv;
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}
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|
|
|
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NS_IMETHODIMP
|
|
nsDocLoaderImpl::LoadURL(const nsString& aURLSpec,
|
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nsIStreamListener* aListener)
|
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{
|
|
nsresult rv;
|
|
nsDocumentBindInfo* loader = nsnull;
|
|
|
|
/* Check for initial error conditions... */
|
|
if (nsnull == aListener) {
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rv = NS_ERROR_NULL_POINTER;
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goto done;
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}
|
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|
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loader = new nsDocumentBindInfo(this, // DocLoader
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|
nsnull, // Command
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|
nsnull, // Viewer Container
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|
nsnull, // Extra Info
|
|
nsnull); // Observer
|
|
if (nsnull == loader) {
|
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rv = NS_ERROR_OUT_OF_MEMORY;
|
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goto done;
|
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}
|
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|
|
/* The DocumentBindInfo reference is only held by the Array... */
|
|
m_LoadingDocsList->AppendElement(((nsISupports*)(nsIStreamObserver*)loader));
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|
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rv = loader->Bind(aURLSpec, nsnull, aListener);
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|
done:
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::Stop(void)
|
|
{
|
|
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...
|
|
*/
|
|
mChildDocLoaderList->EnumerateForwards(nsDocLoaderImpl::StopDocLoaderEnumerator, nsnull);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
void nsDocLoaderImpl::LoadURLComplete(nsISupports* aBindInfo)
|
|
{
|
|
PRBool rv;
|
|
|
|
rv = m_LoadingDocsList->RemoveElement(aBindInfo);
|
|
|
|
/*
|
|
* If the entry was not found in the list, then it must have been cancelled
|
|
* via Stop(...).
|
|
*/
|
|
#if defined(NS_DEBUG)
|
|
if (PR_TRUE != rv) {
|
|
nsDocumentBindInfo* docInfo;
|
|
|
|
rv = aBindInfo->QueryInterface(kDocumentBindInfoIID, (void**)&docInfo);
|
|
NS_ASSERTION(((NS_OK == rv) && (docInfo->GetStatus() == NS_BINDING_ABORTED)),
|
|
"Entry was not Aborted!");
|
|
}
|
|
#endif /* NS_DEBUG */
|
|
}
|
|
|
|
|
|
PRBool nsDocLoaderImpl::StopBindInfoEnumerator(nsISupports* aElement, void* aData)
|
|
{
|
|
nsresult rv;
|
|
nsDocumentBindInfo* bindInfo;
|
|
|
|
rv = aElement->QueryInterface(kDocumentBindInfoIID, (void**)&bindInfo);
|
|
if (NS_OK == rv) {
|
|
bindInfo->Stop();
|
|
}
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
PRBool nsDocLoaderImpl::StopDocLoaderEnumerator(nsISupports* aElement, void* aData)
|
|
{
|
|
nsresult rv;
|
|
nsDocLoaderImpl* docLoader;
|
|
|
|
rv = aElement->QueryInterface(kDocLoaderImplIID, (void**)&docLoader);
|
|
if (NS_OK == rv) {
|
|
docLoader->Stop();
|
|
}
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
* nsDocumentBindInfo implementation...
|
|
****************************************************************************/
|
|
|
|
nsDocumentBindInfo::nsDocumentBindInfo(nsDocLoaderImpl* aDocLoader,
|
|
const char *aCommand,
|
|
nsIContentViewerContainer* aContainer,
|
|
nsISupports* aExtraInfo,
|
|
nsIStreamObserver* anObserver)
|
|
{
|
|
NS_INIT_REFCNT();
|
|
|
|
m_Url = nsnull;
|
|
m_NextStream = nsnull;
|
|
m_Command = (nsnull != aCommand) ? PL_strdup(aCommand) : nsnull;
|
|
m_ExtraInfo = 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_NetSupport = NULL;
|
|
if (m_Observer) {
|
|
m_Observer->QueryInterface(kINetSupportIID, (void **) &m_NetSupport);
|
|
}
|
|
|
|
m_ExtraInfo = aExtraInfo;
|
|
NS_IF_ADDREF(m_ExtraInfo);
|
|
mStatus = 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_NetSupport);
|
|
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);
|
|
AddRef();
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(kIStreamListenerIID)) {
|
|
*aInstancePtrResult = (void*) ((nsIStreamListener*)this);
|
|
AddRef();
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(kDocumentBindInfoIID)) {
|
|
*aInstancePtrResult = (void*) this;
|
|
AddRef();
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(kINetSupportIID)) {
|
|
*aInstancePtrResult = (void*) ((nsINetSupport*)this);
|
|
AddRef();
|
|
return NS_OK;
|
|
}
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
nsresult nsDocumentBindInfo::Bind(const nsString& aURLSpec,
|
|
nsIPostData* aPostData,
|
|
nsIStreamListener* aListener)
|
|
{
|
|
nsresult rv;
|
|
|
|
rv = NS_NewURL(&m_Url, aURLSpec);
|
|
if (NS_OK != rv) {
|
|
return rv;
|
|
}
|
|
|
|
/* Store any POST data into the URL */
|
|
if (nsnull != aPostData) {
|
|
static NS_DEFINE_IID(kPostToServerIID, NS_IPOSTTOSERVER_IID);
|
|
nsIPostToServer* pts;
|
|
|
|
rv = m_Url->QueryInterface(kPostToServerIID, (void **)&pts);
|
|
if (NS_OK == rv) {
|
|
const char* data = aPostData->GetData();
|
|
|
|
if (aPostData->IsFile()) {
|
|
pts->SendDataFromFile(data);
|
|
}
|
|
else {
|
|
pts->SendData(data, aPostData->GetDataLength());
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Set up the stream listener (if provided)... */
|
|
if (nsnull != aListener) {
|
|
m_NextStream = aListener;
|
|
NS_ADDREF(m_NextStream);
|
|
}
|
|
|
|
/* Start the URL binding process... */
|
|
rv = m_Url->Open(this);
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
nsresult nsDocumentBindInfo::Stop(void)
|
|
{
|
|
mStatus = NS_BINDING_ABORTED;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_METHOD nsDocumentBindInfo::GetBindInfo(nsIURL* aURL)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
NS_PRECONDITION(nsnull !=m_NextStream, "DocLoader: No stream for document");
|
|
|
|
if (nsnull != m_NextStream) {
|
|
rv = m_NextStream->GetBindInfo(aURL);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_METHOD nsDocumentBindInfo::OnProgress(nsIURL* aURL, PRInt32 aProgress,
|
|
PRInt32 aProgressMax)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
/* 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 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 nsString& 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 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 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_NextStream,
|
|
&viewer);
|
|
} else {
|
|
rv = NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
if (NS_OK != rv) {
|
|
goto done;
|
|
}
|
|
|
|
/*
|
|
* Give the document container the new viewer...
|
|
*/
|
|
viewer->SetContainer(m_Container);
|
|
|
|
rv = m_Container->Embed(viewer, m_Command, m_ExtraInfo);
|
|
if (NS_OK != rv) {
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Pass the OnStartBinding(...) notification out to the document
|
|
* IStreamListener.
|
|
*/
|
|
NS_ASSERTION((nsnull != m_NextStream), "No stream was created!");
|
|
|
|
if (nsnull != m_NextStream) {
|
|
rv = m_NextStream->OnStartBinding(aURL, aContentType);
|
|
}
|
|
|
|
/* Pass the notification out to the Observer... */
|
|
if (nsnull != m_Observer) {
|
|
/* XXX: Should we ignore the return value? */
|
|
(void) m_Observer->OnStartBinding(aURL, aContentType);
|
|
}
|
|
|
|
done:
|
|
NS_IF_RELEASE(viewer);
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_METHOD nsDocumentBindInfo::OnDataAvailable(nsIURL* aURL,
|
|
nsIInputStream *aStream, PRInt32 aLength)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
/* If the binding has been canceled via Stop() then abort the load... */
|
|
if (NS_BINDING_ABORTED == mStatus) {
|
|
rv = NS_BINDING_ABORTED;
|
|
goto done;
|
|
}
|
|
|
|
NS_PRECONDITION(nsnull !=m_NextStream, "DocLoader: No stream for document");
|
|
if (nsnull != m_NextStream) {
|
|
rv = m_NextStream->OnDataAvailable(aURL, aStream, aLength);
|
|
}
|
|
|
|
done:
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_METHOD nsDocumentBindInfo::OnStopBinding(nsIURL* aURL, PRInt32 aStatus,
|
|
const nsString& aMsg)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
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((nsIStreamListener *)this);
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP_(void)
|
|
nsDocumentBindInfo::Alert(const nsString &aText)
|
|
{
|
|
if (nsnull != m_NetSupport) {
|
|
m_NetSupport->Alert(aText);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP_(PRBool)
|
|
nsDocumentBindInfo::Confirm(const nsString &aText)
|
|
{
|
|
if (nsnull != m_NetSupport) {
|
|
return m_NetSupport->Confirm(aText);
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
NS_IMETHODIMP_(PRBool)
|
|
nsDocumentBindInfo::Prompt(const nsString &aText,
|
|
const nsString &aDefault,
|
|
nsString &aResult)
|
|
{
|
|
if (nsnull != m_NetSupport) {
|
|
return m_NetSupport->Prompt(aText, aDefault, aResult);
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
NS_IMETHODIMP_(PRBool)
|
|
nsDocumentBindInfo::PromptUserAndPassword(const nsString &aText,
|
|
nsString &aUser,
|
|
nsString &aPassword)
|
|
{
|
|
if (nsnull != m_NetSupport) {
|
|
return m_NetSupport->PromptUserAndPassword(aText, aUser, aPassword);
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
NS_IMETHODIMP_(PRBool)
|
|
nsDocumentBindInfo::PromptPassword(const nsString &aText,
|
|
nsString &aPassword)
|
|
{
|
|
if (nsnull != m_NetSupport) {
|
|
return m_NetSupport->PromptPassword(aText, aPassword);
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
|
|
/*******************************************
|
|
* nsDocLoaderFactory
|
|
*******************************************/
|
|
|
|
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
|
|
static NS_DEFINE_IID(kCDocumentLoader, NS_DOCUMENTLOADER_CID);
|
|
|
|
class nsDocumentLoaderFactory : public nsIFactory
|
|
{
|
|
public:
|
|
nsDocumentLoaderFactory();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
// nsIFactory methods
|
|
NS_IMETHOD CreateInstance(nsISupports *aOuter,
|
|
const nsIID &aIID,
|
|
void **aResult);
|
|
|
|
NS_IMETHOD LockFactory(PRBool aLock);
|
|
|
|
|
|
protected:
|
|
virtual ~nsDocumentLoaderFactory();
|
|
};
|
|
|
|
nsDocumentLoaderFactory::nsDocumentLoaderFactory()
|
|
{
|
|
NS_INIT_REFCNT();
|
|
}
|
|
|
|
nsDocumentLoaderFactory::~nsDocumentLoaderFactory()
|
|
{
|
|
}
|
|
|
|
/*
|
|
* Implementation of ISupports methods...
|
|
*/
|
|
NS_IMPL_ISUPPORTS(nsDocumentLoaderFactory,kIFactoryIID);
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocumentLoaderFactory::CreateInstance(nsISupports* aOuter,
|
|
const nsIID& aIID,
|
|
void** aResult)
|
|
{
|
|
nsresult rv;
|
|
nsIDocumentLoader* inst;
|
|
static nsDocLoaderImpl* gGlobalDocLoader = nsnull;
|
|
|
|
|
|
if (nsnull == aResult) {
|
|
rv = NS_ERROR_NULL_POINTER;
|
|
goto done;
|
|
}
|
|
*aResult = nsnull;
|
|
|
|
if (nsnull != aOuter) {
|
|
rv = NS_ERROR_NO_AGGREGATION;
|
|
goto done;
|
|
}
|
|
|
|
if (nsnull == gGlobalDocLoader) {
|
|
gGlobalDocLoader = new nsDocLoaderImpl(nsnull);
|
|
if (nsnull == gGlobalDocLoader) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
goto done;
|
|
}
|
|
|
|
NS_ADDREF(gGlobalDocLoader); // RefCount = 1
|
|
}
|
|
|
|
rv = gGlobalDocLoader->CreateDocumentLoader(&inst);
|
|
if (NS_OK != rv) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
goto done;
|
|
}
|
|
*aResult = inst;
|
|
|
|
done:
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocumentLoaderFactory::LockFactory(PRBool aLock)
|
|
{
|
|
// Not implemented in simplest case.
|
|
return NS_OK;
|
|
}
|
|
|
|
extern "C" NS_WEB nsresult
|
|
NS_NewDocumentLoaderFactory(nsIFactory** aFactory)
|
|
{
|
|
if (nsnull == aFactory) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
*aFactory = new nsDocumentLoaderFactory();
|
|
if (nsnull == *aFactory) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
NS_ADDREF(*aFactory);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|