зеркало из https://github.com/mozilla/pjs.git
1565 строки
42 KiB
C++
1565 строки
42 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations 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
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nspr.h"
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#include "prlog.h"
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#include "nsIDocumentLoaderObserver.h"
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#include "nsDocLoader.h"
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#include "nsCURILoader.h"
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#include "nsNetUtil.h"
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#include "nsIServiceManager.h"
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#include "nsXPIDLString.h"
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#include "nsIURL.h"
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#include "nsCOMPtr.h"
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#include "nsCom.h"
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#include "nsWeakPtr.h"
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#include "nsIDOMWindow.h"
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// XXX ick ick ick
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#include "nsIContentViewerContainer.h"
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#include "nsIDocument.h"
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#include "nsIPresShell.h"
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#include "nsIPresContext.h"
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#include "nsIStringBundle.h"
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static NS_DEFINE_CID(kStringBundleServiceCID, NS_STRINGBUNDLESERVICE_CID);
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#if defined(PR_LOGGING)
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//
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// Log module for nsIDocumentLoader logging...
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//
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// To enable logging (see prlog.h for full details):
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//
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// set NSPR_LOG_MODULES=DocLoader:5
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// set NSPR_LOG_FILE=nspr.log
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//
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// this enables PR_LOG_DEBUG level information and places all output in
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// the file nspr.log
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//
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PRLogModuleInfo* gDocLoaderLog = nsnull;
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#endif /* PR_LOGGING */
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#if defined(DEBUG)
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void GetURIStringFromRequest(nsIRequest* request, nsXPIDLCString &aStr)
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{
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nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
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if (!channel) {
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aStr = "???";
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return;
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}
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nsCOMPtr<nsIURI> uri;
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nsresult rv = channel->GetURI(getter_AddRefs(uri));
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if (NS_SUCCEEDED(rv) && uri)
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rv = uri->GetSpec(getter_Copies(aStr));
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else
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aStr = "???";
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}
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#endif /* DEBUG */
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/* Define IIDs... */
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static NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
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static NS_DEFINE_IID(kIContentViewerContainerIID, NS_ICONTENTVIEWERCONTAINER_IID);
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struct nsRequestInfo {
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nsRequestInfo(nsIRequest *key) : mKey(key),
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mCurrentProgress(0),
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mMaxProgress(0)
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{
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}
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void* mKey;
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PRInt32 mCurrentProgress;
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PRInt32 mMaxProgress;
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};
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nsDocLoaderImpl::nsDocLoaderImpl()
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{
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NS_INIT_REFCNT();
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#if defined(PR_LOGGING)
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if (nsnull == gDocLoaderLog) {
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gDocLoaderLog = PR_NewLogModule("DocLoader");
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}
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#endif /* PR_LOGGING */
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mContainer = nsnull;
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mParent = nsnull;
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mIsLoadingDocument = PR_FALSE;
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ClearInternalProgress();
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PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
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("DocLoader:%p: created.\n", this));
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}
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nsresult
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nsDocLoaderImpl::SetDocLoaderParent(nsDocLoaderImpl *aParent)
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{
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mParent = aParent;
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return NS_OK;
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}
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nsresult
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nsDocLoaderImpl::Init()
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{
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nsresult rv;
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rv = NS_NewLoadGroup(getter_AddRefs(mLoadGroup), this);
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if (NS_FAILED(rv)) return rv;
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PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
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("DocLoader:%p: load group %x.\n", this, mLoadGroup.get()));
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rv = NS_NewISupportsArray(getter_AddRefs(mChildList));
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if (NS_FAILED(rv)) return rv;
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return NS_NewISupportsArray(getter_AddRefs(mListenerList));
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}
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NS_IMETHODIMP nsDocLoaderImpl::ClearParentDocLoader()
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{
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SetDocLoaderParent(nsnull);
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return NS_OK;
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}
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nsDocLoaderImpl::~nsDocLoaderImpl()
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{
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/*
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|ClearWeakReferences()| here is intended to prevent people holding weak references
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from re-entering this destructor since |QueryReferent()| will |AddRef()| me, and the
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subsequent |Release()| will try to destroy me. At this point there should be only
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weak references remaining (otherwise, we wouldn't be getting destroyed).
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An alternative would be incrementing our refcount (consider it a compressed flag
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saying "Don't re-destroy."). I haven't yet decided which is better. [scc]
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*/
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ClearWeakReferences();
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Destroy();
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PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
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("DocLoader:%p: deleted.\n", this));
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PRUint32 count=0;
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mChildList->Count(&count);
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// if the doc loader still has children...we need to enumerate the children and make
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// them null out their back ptr to the parent doc loader
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if (count > 0)
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{
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for (PRUint32 i=0; i<count; i++)
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{
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nsCOMPtr<nsIDocumentLoader> loader;
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loader = getter_AddRefs(NS_STATIC_CAST(nsIDocumentLoader*, mChildList->ElementAt(i)));
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if (loader)
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loader->ClearParentDocLoader();
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}
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mChildList->Clear();
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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_THREADSAFE_ADDREF(nsDocLoaderImpl)
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NS_IMPL_THREADSAFE_RELEASE(nsDocLoaderImpl)
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NS_INTERFACE_MAP_BEGIN(nsDocLoaderImpl)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIStreamObserver)
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NS_INTERFACE_MAP_ENTRY(nsIStreamObserver)
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NS_INTERFACE_MAP_ENTRY(nsIDocumentLoader)
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NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
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NS_INTERFACE_MAP_ENTRY(nsIWebProgress)
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NS_INTERFACE_MAP_ENTRY(nsIProgressEventSink)
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NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
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NS_INTERFACE_MAP_ENTRY(nsIHTTPEventSink)
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NS_INTERFACE_MAP_ENTRY(nsISecurityEventSink)
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NS_INTERFACE_MAP_END
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/*
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* Implementation of nsIInterfaceRequestor methods...
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*/
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NS_IMETHODIMP nsDocLoaderImpl::GetInterface(const nsIID& aIID, void** aSink)
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{
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nsresult rv = NS_ERROR_NO_INTERFACE;
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NS_ENSURE_ARG_POINTER(aSink);
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if(aIID.Equals(NS_GET_IID(nsILoadGroup))) {
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*aSink = mLoadGroup;
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NS_IF_ADDREF((nsISupports*)*aSink);
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rv = NS_OK;
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} else {
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rv = QueryInterface(aIID, aSink);
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}
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return rv;
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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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nsresult rv = NS_OK;
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nsDocLoaderImpl * newLoader = new nsDocLoaderImpl();
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NS_ENSURE_TRUE(newLoader, NS_ERROR_OUT_OF_MEMORY);
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NS_ADDREF(newLoader);
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newLoader->Init();
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// Initialize now that we have a reference
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rv = newLoader->SetDocLoaderParent(this);
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if (NS_SUCCEEDED(rv)) {
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//
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// XXX this method incorrectly returns a bool
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//
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rv = mChildList->AppendElement((nsIDocumentLoader*)newLoader)
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? NS_OK : NS_ERROR_FAILURE;
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}
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rv = newLoader->QueryInterface(NS_GET_IID(nsIDocumentLoader), (void **) anInstance);
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NS_RELEASE(newLoader);
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return rv;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::Stop(void)
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{
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nsresult rv = NS_OK;
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PRUint32 count, i;
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PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
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("DocLoader:%p: Stop() called\n", this));
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rv = mChildList->Count(&count);
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if (NS_FAILED(rv)) return rv;
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for (i=0; i<count; i++) {
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nsIDocumentLoader* loader;
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loader = NS_STATIC_CAST(nsIDocumentLoader*, mChildList->ElementAt(i));
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if (loader) {
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(void) loader->Stop();
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NS_RELEASE(loader);
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}
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}
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rv = mLoadGroup->Cancel(NS_BINDING_ABORTED);
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return rv;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::IsBusy(PRBool * aResult)
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{
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nsresult rv;
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//
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// A document loader is busy if either:
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//
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// 1. It is currently loading a document (ie. one or more URIs)
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// 2. One of it's child document loaders is busy...
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//
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*aResult = PR_FALSE;
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/* Is this document loader busy? */
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if (mIsLoadingDocument) {
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rv = mLoadGroup->IsPending(aResult);
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if (NS_FAILED(rv)) return rv;
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}
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/* Otherwise, check its child document loaders... */
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if (!*aResult) {
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PRUint32 count, i;
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rv = mChildList->Count(&count);
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if (NS_FAILED(rv)) return rv;
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for (i=0; i<count; i++) {
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nsIDocumentLoader* loader;
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loader = NS_STATIC_CAST(nsIDocumentLoader*, mChildList->ElementAt(i));
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if (loader) {
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(void) loader->IsBusy(aResult);
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NS_RELEASE(loader);
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if (*aResult) break;
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}
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}
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}
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return NS_OK;
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}
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/*
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* Do not hold refs to the objects in the observer lists. Observers
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* are expected to remove themselves upon their destruction if they
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* have not removed themselves previously
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*/
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NS_IMETHODIMP
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nsDocLoaderImpl::AddObserver(nsIDocumentLoaderObserver* aObserver)
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{
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nsresult rv;
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if (mDocObservers.IndexOf(aObserver) == -1) {
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//
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// XXX this method incorrectly returns a bool
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//
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rv = mDocObservers.AppendElement(aObserver) ? NS_OK : NS_ERROR_FAILURE;
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} else {
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// The observer is already in the list...
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rv = NS_ERROR_FAILURE;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::RemoveObserver(nsIDocumentLoaderObserver* aObserver)
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{
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if (PR_TRUE == mDocObservers.RemoveElement(aObserver)) {
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return NS_OK;
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}
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::SetContainer(nsISupports* aContainer)
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{
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// This is a weak reference...
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mContainer = aContainer;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::GetContainer(nsISupports** aResult)
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{
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NS_ENSURE_ARG_POINTER(aResult);
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*aResult = mContainer;
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NS_IF_ADDREF(*aResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::GetLoadGroup(nsILoadGroup** aResult)
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{
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nsresult rv = NS_OK;
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if (nsnull == aResult) {
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rv = NS_ERROR_NULL_POINTER;
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} else {
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*aResult = mLoadGroup;
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NS_IF_ADDREF(*aResult);
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}
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return rv;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::GetContentViewerContainer(nsISupports* aDocumentID,
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nsIContentViewerContainer** aResult)
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{
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nsISupports* base = aDocumentID;
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nsIDocument* doc;
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nsresult rv;
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rv = base->QueryInterface(kIDocumentIID, (void**)&doc);
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if (NS_SUCCEEDED(rv)) {
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nsIPresShell* pres;
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pres = doc->GetShellAt(0);
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if (nsnull != pres) {
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nsIPresContext* presContext;
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rv = pres->GetPresContext(&presContext);
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if (NS_SUCCEEDED(rv) && nsnull != presContext) {
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nsISupports* supp;
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rv = presContext->GetContainer(&supp);
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if (NS_SUCCEEDED(rv) && nsnull != supp) {
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rv = supp->QueryInterface(kIContentViewerContainerIID, (void**)aResult);
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NS_RELEASE(supp);
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}
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NS_RELEASE(presContext);
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}
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NS_RELEASE(pres);
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}
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NS_RELEASE(doc);
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}
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return rv;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::Destroy()
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{
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Stop();
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// Remove the document loader from the parent list of loaders...
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if (mParent)
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{
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mParent->RemoveChildGroup(this);
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mParent = nsnull;
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}
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ClearRequestInfoList();
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mDocumentRequest = 0;
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mLoadGroup->SetGroupObserver(nsnull);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::OnStartRequest(nsIRequest *request, nsISupports *aCtxt)
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{
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// called each time a request is added to the group.
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nsresult rv;
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nsCOMPtr<nsIChannel> aChannel = do_QueryInterface(request);
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if (!mIsLoadingDocument) {
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PRUint32 loadAttribs = 0;
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aChannel->GetLoadAttributes(&loadAttribs);
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if (loadAttribs & nsIChannel::LOAD_DOCUMENT_URI) {
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mIsLoadingDocument = PR_TRUE;
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ClearInternalProgress(); // only clear our progress if we are starting a new load....
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}
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}
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//
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// Only fire an OnStartDocumentLoad(...) if the document loader
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// has initiated a load... Otherwise, this notification has
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// resulted from a request being added to the load group.
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//
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if (mIsLoadingDocument) {
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PRUint32 count;
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rv = mLoadGroup->GetActiveCount(&count);
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if (NS_FAILED(rv)) return rv;
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//
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// Create a new nsRequestInfo for the request that is starting to
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// load...
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//
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AddRequestInfo(request);
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if (1 == count) {
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// This request is associated with the entire document...
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mDocumentRequest = do_QueryInterface(request);
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mLoadGroup->SetDefaultLoadRequest(mDocumentRequest);
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// Update the progress status state
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mProgressStateFlags = nsIWebProgressListener::STATE_START;
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doStartDocumentLoad();
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FireOnStartDocumentLoad(this, request);
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}
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else {
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doStartURLLoad(request);
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FireOnStartURLLoad(this, request);
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}
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}
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else {
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ClearRequestInfoList();
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doStartURLLoad(request);
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FireOnStartURLLoad(this, request);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::OnStopRequest(nsIRequest *aRequest,
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nsISupports *aCtxt,
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nsresult aStatus,
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const PRUnichar *aMsg)
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{
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nsresult rv = NS_OK;
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//
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// Only fire the OnEndDocumentLoad(...) if the document loader
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// has initiated a load...
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//
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if (mIsLoadingDocument) {
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PRUint32 count;
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//
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// Set the Maximum progress to the same value as the current progress.
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// Since the URI has finished loading, all the data is there. Also,
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// this will allow a more accurate estimation of the max progress (in case
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// the old value was unknown ie. -1)
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//
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nsRequestInfo *info;
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info = GetRequestInfo(aRequest);
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if (info) {
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PRInt32 oldMax = info->mMaxProgress;
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info->mMaxProgress = info->mCurrentProgress;
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//
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// If a request whose content-length was previously unknown has just
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// finished loading, then use this new data to try to calculate a
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// mMaxSelfProgress...
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//
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if ((oldMax < 0) && (mMaxSelfProgress < 0)) {
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CalculateMaxProgress(&mMaxSelfProgress);
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}
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}
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//
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// Fire the OnStateChange(...) notification for stop request
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//
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doStopURLLoad(aRequest, aStatus);
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FireOnEndURLLoad(this, aRequest, aStatus);
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rv = mLoadGroup->GetActiveCount(&count);
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if (NS_FAILED(rv)) return rv;
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//
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// The load group for this DocumentLoader is idle...
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//
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if (0 == count) {
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DocLoaderIsEmpty(aStatus);
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}
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}
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else {
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doStopURLLoad(aRequest, aStatus);
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FireOnEndURLLoad(this, aRequest, aStatus);
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}
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return NS_OK;
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}
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nsresult nsDocLoaderImpl::RemoveChildGroup(nsDocLoaderImpl* aLoader)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
mChildList->RemoveElement((nsIDocumentLoader*)aLoader);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP nsDocLoaderImpl::GetDocumentChannel(nsIChannel ** aChannel)
|
|
{
|
|
nsCOMPtr<nsIChannel> ourChannel = do_QueryInterface(mDocumentRequest);
|
|
|
|
*aChannel = ourChannel.get();
|
|
NS_IF_ADDREF(*aChannel);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
void nsDocLoaderImpl::DocLoaderIsEmpty(nsresult aStatus)
|
|
{
|
|
if (mIsLoadingDocument) {
|
|
PRBool busy = PR_FALSE;
|
|
/* In the unimagineably rude circumstance that onload event handlers
|
|
triggered by this function actually kill the window ... ok, it's
|
|
not unimagineable; it's happened ... this deathgrip keeps this object
|
|
alive long enough to survive this function call. */
|
|
nsCOMPtr<nsIDocumentLoader> kungFuDeathGrip(this);
|
|
|
|
IsBusy(&busy);
|
|
if (!busy) {
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: Is now idle...\n", this));
|
|
|
|
nsCOMPtr<nsIRequest> docRequest = mDocumentRequest;
|
|
|
|
mDocumentRequest = null_nsCOMPtr();
|
|
mIsLoadingDocument = PR_FALSE;
|
|
|
|
// Update the progress status state - the document is done
|
|
mProgressStateFlags = nsIWebProgressListener::STATE_STOP;
|
|
|
|
|
|
nsresult loadGroupStatus = NS_OK;
|
|
mLoadGroup->GetStatus(&loadGroupStatus);
|
|
|
|
//
|
|
// New code to break the circular reference between
|
|
// the load group and the docloader...
|
|
//
|
|
mLoadGroup->SetDefaultLoadRequest(nsnull);
|
|
|
|
//
|
|
// Do nothing after firing the OnEndDocumentLoad(...). The document
|
|
// loader may be loading a *new* document - if LoadDocument()
|
|
// was called from a handler!
|
|
//
|
|
doStopDocumentLoad(docRequest, loadGroupStatus);
|
|
FireOnEndDocumentLoad(this, docRequest, loadGroupStatus);
|
|
|
|
if (mParent) {
|
|
mParent->DocLoaderIsEmpty(loadGroupStatus);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void nsDocLoaderImpl::doStartDocumentLoad(void)
|
|
{
|
|
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
|
|
GetURIStringFromRequest(mDocumentRequest, buffer);
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: ++ Firing OnStateChange for start document load (...)."
|
|
"\tURI: %s \n",
|
|
this, (const char *) buffer));
|
|
#endif /* DEBUG */
|
|
|
|
// Fire an OnStatus(...) notification STATE_START. This indicates
|
|
// that the document represented by mDocumentRequest has started to
|
|
// load...
|
|
FireOnStateChange(this,
|
|
mDocumentRequest,
|
|
nsIWebProgressListener::STATE_START |
|
|
nsIWebProgressListener::STATE_IS_DOCUMENT |
|
|
nsIWebProgressListener::STATE_IS_REQUEST |
|
|
nsIWebProgressListener::STATE_IS_NETWORK,
|
|
NS_OK);
|
|
}
|
|
|
|
void nsDocLoaderImpl::doStartURLLoad(nsIRequest *request)
|
|
{
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
|
|
GetURIStringFromRequest(request, buffer);
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: ++ Firing OnStateChange start url load (...)."
|
|
"\tURI: %s\n",
|
|
this, (const char *) buffer));
|
|
#endif /* DEBUG */
|
|
|
|
FireOnStateChange(this,
|
|
request,
|
|
nsIWebProgressListener::STATE_START |
|
|
nsIWebProgressListener::STATE_IS_REQUEST,
|
|
NS_OK);
|
|
}
|
|
|
|
void nsDocLoaderImpl::doStopURLLoad(nsIRequest *request, nsresult aStatus)
|
|
{
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
|
|
GetURIStringFromRequest(request, buffer);
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: ++ Firing OnStateChange for end url load (...)."
|
|
"\tURI: %s status=%x\n",
|
|
this, (const char *) buffer, aStatus));
|
|
#endif /* DEBUG */
|
|
|
|
FireOnStateChange(this,
|
|
request,
|
|
nsIWebProgressListener::STATE_STOP |
|
|
nsIWebProgressListener::STATE_IS_REQUEST,
|
|
aStatus);
|
|
}
|
|
|
|
void nsDocLoaderImpl::doStopDocumentLoad(nsIRequest *request,
|
|
nsresult aStatus)
|
|
{
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
|
|
GetURIStringFromRequest(request, buffer);
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: ++ Firing OnStateChange for end document load (...)."
|
|
"\tURI: %s Status=%x\n",
|
|
this, (const char *) buffer, aStatus));
|
|
#endif /* DEBUG */
|
|
|
|
//
|
|
// Fire an OnStatusChange(...) notification indicating the the
|
|
// current document has finished loading...
|
|
//
|
|
FireOnStateChange(this,
|
|
request,
|
|
nsIWebProgressListener::STATE_STOP |
|
|
nsIWebProgressListener::STATE_IS_DOCUMENT,
|
|
aStatus);
|
|
|
|
//
|
|
// Fire a final OnStatusChange(...) notification indicating the the
|
|
// current document has finished loading...
|
|
//
|
|
FireOnStateChange(this,
|
|
request,
|
|
nsIWebProgressListener::STATE_STOP |
|
|
nsIWebProgressListener::STATE_IS_WINDOW |
|
|
nsIWebProgressListener::STATE_IS_NETWORK,
|
|
aStatus);
|
|
}
|
|
|
|
|
|
|
|
|
|
void nsDocLoaderImpl::FireOnStartDocumentLoad(nsDocLoaderImpl* aLoadInitiator,
|
|
nsIRequest *aDocRequest)
|
|
{
|
|
PRInt32 count;
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
nsCOMPtr<nsIChannel> aChannel = do_QueryInterface(aDocRequest);
|
|
|
|
aChannel->GetURI(getter_AddRefs(uri));
|
|
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
|
|
GetURIStringFromRequest(aDocRequest, buffer);
|
|
if (aLoadInitiator == this) {
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: ++ Firing OnStartDocumentLoad(...).\tURI: %s\n",
|
|
this, (const char *) buffer));
|
|
} else {
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: -- Propagating OnStartDocumentLoad(...)."
|
|
"DocLoader:%p URI:%s\n",
|
|
this, aLoadInitiator, (const char *) buffer));
|
|
}
|
|
#endif /* DEBUG */
|
|
|
|
/*
|
|
* First notify any observers that the document load has begun...
|
|
*
|
|
* Operate the elements from back to front so that if items get
|
|
* get removed from the list it won't affect our iteration
|
|
*/
|
|
count = mDocObservers.Count();
|
|
while (count > 0) {
|
|
nsIDocumentLoaderObserver *observer;
|
|
|
|
observer = NS_STATIC_CAST(nsIDocumentLoaderObserver*, mDocObservers.ElementAt(--count));
|
|
|
|
NS_ASSERTION(observer, "NULL observer found in list.");
|
|
if (! observer) {
|
|
continue;
|
|
}
|
|
|
|
observer->OnStartDocumentLoad(aLoadInitiator, uri, mCommand);
|
|
}
|
|
|
|
/*
|
|
* Finally notify the parent...
|
|
*/
|
|
if (mParent) {
|
|
mParent->FireOnStartDocumentLoad(aLoadInitiator, aDocRequest);
|
|
}
|
|
}
|
|
|
|
void nsDocLoaderImpl::FireOnEndDocumentLoad(nsDocLoaderImpl* aLoadInitiator,
|
|
nsIRequest *aDocRequest,
|
|
nsresult aStatus)
|
|
|
|
{
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
|
|
GetURIStringFromRequest(aDocRequest, buffer);
|
|
if (aLoadInitiator == this) {
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: ++ Firing OnEndDocumentLoad(...)"
|
|
"\tURI: %s Status: %x\n",
|
|
this, (const char *) buffer, aStatus));
|
|
} else {
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: -- Propagating OnEndDocumentLoad(...)."
|
|
"DocLoader:%p URI:%s\n",
|
|
this, aLoadInitiator, (const char *)buffer));
|
|
}
|
|
#endif /* DEBUG */
|
|
|
|
/*
|
|
* First notify any observers that the document load has finished...
|
|
*
|
|
* Operate the elements from back to front so that if items get
|
|
* get removed from the list it won't affect our iteration
|
|
*/
|
|
PRInt32 count;
|
|
|
|
count = mDocObservers.Count();
|
|
while (count > 0) {
|
|
nsIDocumentLoaderObserver *observer;
|
|
|
|
observer = NS_STATIC_CAST(nsIDocumentLoaderObserver*, mDocObservers.ElementAt(--count));
|
|
|
|
NS_ASSERTION(observer, "NULL observer found in list.");
|
|
if (! observer) {
|
|
continue;
|
|
}
|
|
|
|
observer->OnEndDocumentLoad(aLoadInitiator, aDocRequest, aStatus);
|
|
}
|
|
|
|
/*
|
|
* Next notify the parent...
|
|
*/
|
|
if (mParent) {
|
|
mParent->FireOnEndDocumentLoad(aLoadInitiator, aDocRequest, aStatus);
|
|
}
|
|
}
|
|
|
|
|
|
void nsDocLoaderImpl::FireOnStartURLLoad(nsDocLoaderImpl* aLoadInitiator,
|
|
nsIRequest* aRequest)
|
|
{
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
|
|
GetURIStringFromRequest(aRequest, buffer);
|
|
if (aLoadInitiator == this) {
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: ++ Firing OnStartURLLoad(...)"
|
|
"\tURI: %s\n",
|
|
this, (const char *) buffer));
|
|
} else {
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: -- Propagating OnStartURLLoad(...)."
|
|
"DocLoader:%p URI:%s\n",
|
|
this, aLoadInitiator, (const char *) buffer));
|
|
}
|
|
#endif /* DEBUG */
|
|
|
|
|
|
PRInt32 count;
|
|
|
|
/*
|
|
* First notify any observers that the URL load has begun...
|
|
*
|
|
* Operate the elements from back to front so that if items get
|
|
* get removed from the list it won't affect our iteration
|
|
*/
|
|
count = mDocObservers.Count();
|
|
while (count > 0) {
|
|
nsIDocumentLoaderObserver *observer;
|
|
|
|
observer = NS_STATIC_CAST(nsIDocumentLoaderObserver*, mDocObservers.ElementAt(--count));
|
|
|
|
NS_ASSERTION(observer, "NULL observer found in list.");
|
|
if (! observer) {
|
|
continue;
|
|
}
|
|
|
|
observer->OnStartURLLoad(aLoadInitiator, aRequest);
|
|
}
|
|
|
|
/*
|
|
* Finally notify the parent...
|
|
*/
|
|
if (mParent) {
|
|
mParent->FireOnStartURLLoad(aLoadInitiator, aRequest);
|
|
}
|
|
}
|
|
|
|
|
|
void nsDocLoaderImpl::FireOnEndURLLoad(nsDocLoaderImpl* aLoadInitiator,
|
|
nsIRequest *request, nsresult aStatus)
|
|
{
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
|
|
GetURIStringFromRequest(request, buffer);
|
|
if (aLoadInitiator == this) {
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: ++ Firing OnEndURLLoad(...)"
|
|
"\tURI: %s Status: %x\n",
|
|
this, (const char *) buffer, aStatus));
|
|
} else {
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: -- Propagating OnEndURLLoad(...)."
|
|
"DocLoader:%p URI:%s\n",
|
|
this, aLoadInitiator, (const char *) buffer));
|
|
}
|
|
#endif /* DEBUG */
|
|
|
|
PRInt32 count;
|
|
|
|
/*
|
|
* First notify any observers that the URL load has completed...
|
|
*
|
|
* Operate the elements from back to front so that if items get
|
|
* get removed from the list it won't affect our iteration
|
|
*/
|
|
count = mDocObservers.Count();
|
|
while (count > 0) {
|
|
nsIDocumentLoaderObserver *observer;
|
|
|
|
observer = NS_STATIC_CAST(nsIDocumentLoaderObserver*, mDocObservers.ElementAt(--count));
|
|
|
|
NS_ASSERTION(observer, "NULL observer found in list.");
|
|
if (! observer) {
|
|
continue;
|
|
}
|
|
|
|
observer->OnEndURLLoad(aLoadInitiator, request, aStatus);
|
|
}
|
|
|
|
/*
|
|
* Finally notify the parent...
|
|
*/
|
|
if (mParent) {
|
|
mParent->FireOnEndURLLoad(aLoadInitiator, request, aStatus);
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
// The following section contains support for nsIWebProgress and related stuff
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// get web progress returns our web progress listener or if
|
|
// we don't have one, it will look up the doc loader hierarchy
|
|
// to see if one of our parent doc loaders has one.
|
|
nsresult nsDocLoaderImpl::GetParentWebProgressListener(nsDocLoaderImpl * aDocLoader, nsIWebProgressListener ** aWebProgress)
|
|
{
|
|
// if we got here, there is no web progress to return
|
|
*aWebProgress = nsnull;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::AddProgressListener(nsIWebProgressListener *aListener)
|
|
{
|
|
nsresult rv;
|
|
|
|
nsWeakPtr listener = getter_AddRefs(NS_GetWeakReference(aListener));
|
|
if (!listener) return NS_ERROR_INVALID_ARG;
|
|
|
|
if (mListenerList->IndexOf(listener) == -1) {
|
|
|
|
// XXX this method incorrectly returns a bool
|
|
rv = mListenerList->AppendElement(listener) ? NS_OK : NS_ERROR_FAILURE;
|
|
} else {
|
|
// The listener is already in the list...
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::RemoveProgressListener(nsIWebProgressListener *aListener)
|
|
{
|
|
nsWeakPtr listener = getter_AddRefs(NS_GetWeakReference(aListener));
|
|
if (!listener) return NS_ERROR_INVALID_ARG;
|
|
|
|
// XXX this method incorrectly returns a bool
|
|
return mListenerList->RemoveElement(listener) ? NS_OK : NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::GetDOMWindow(nsIDOMWindow **aResult)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
*aResult = nsnull;
|
|
//
|
|
// The DOM Window is available from the associated container (ie DocShell)
|
|
// if one is available...
|
|
//
|
|
if (mContainer) {
|
|
nsCOMPtr<nsIDOMWindow> window(do_GetInterface(mContainer, &rv));
|
|
|
|
*aResult = window;
|
|
NS_IF_ADDREF(*aResult);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult nsDocLoaderImpl::GetProgressStatusFlags(PRInt32 *aProgressStateFlags)
|
|
{
|
|
*aProgressStateFlags = mProgressStateFlags;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsDocLoaderImpl::GetCurSelfProgress(PRInt32 *aCurSelfProgress)
|
|
{
|
|
*aCurSelfProgress = mCurrentSelfProgress;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsDocLoaderImpl::GetMaxSelfProgress(PRInt32 *aMaxSelfProgress)
|
|
{
|
|
*aMaxSelfProgress = mMaxSelfProgress;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsDocLoaderImpl::GetCurTotalProgress(PRInt32 *aCurTotalProgress)
|
|
{
|
|
*aCurTotalProgress = mCurrentTotalProgress;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsDocLoaderImpl::GetMaxTotalProgress(PRInt32 *aMaxTotalProgress)
|
|
{
|
|
PRUint32 count = 0;
|
|
nsresult rv = NS_OK;
|
|
PRInt32 invididualProgress, newMaxTotal;
|
|
|
|
newMaxTotal = 0;
|
|
|
|
rv = mChildList->Count(&count);
|
|
if (NS_FAILED(rv)) return rv;
|
|
nsCOMPtr<nsIWebProgress> webProgress;
|
|
nsCOMPtr<nsISupports> docloader;
|
|
for (PRUint32 i=0; i<count; i++)
|
|
{
|
|
invididualProgress = 0;
|
|
docloader = getter_AddRefs(mChildList->ElementAt(i));
|
|
if (docloader)
|
|
{
|
|
// Cast is safe since all children are nsDocLoaderImpl too
|
|
((nsDocLoaderImpl *) docloader.get())->GetMaxTotalProgress(&invididualProgress);
|
|
}
|
|
if (invididualProgress < 0) // if one of the elements doesn't know it's size
|
|
// then none of them do
|
|
{
|
|
newMaxTotal = -1;
|
|
break;
|
|
}
|
|
else
|
|
newMaxTotal += invididualProgress;
|
|
}
|
|
if (mMaxSelfProgress >= 0 && newMaxTotal >= 0) {
|
|
*aMaxTotalProgress = newMaxTotal + mMaxSelfProgress;
|
|
} else {
|
|
*aMaxTotalProgress = -1;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
// The following section contains support for nsIEventProgressSink which is used to
|
|
// pass progress and status between the actual request and the doc loader. The doc loader
|
|
// then turns around and makes the right web progress calls based on this information.
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
NS_IMETHODIMP nsDocLoaderImpl::OnProgress(nsIRequest *aRequest, nsISupports* ctxt,
|
|
PRUint32 aProgress, PRUint32 aProgressMax)
|
|
{
|
|
nsRequestInfo *info;
|
|
PRInt32 progressDelta = 0;
|
|
|
|
//
|
|
// Update the RequsetInfo entry with the new progress data
|
|
//
|
|
info = GetRequestInfo(aRequest);
|
|
if (info) {
|
|
if ((0 == info->mCurrentProgress) && (0 == info->mMaxProgress)) {
|
|
//
|
|
// This is the first progress notification for the entry. If
|
|
// (aMaxProgress > 0) then the content-length of the data is known,
|
|
// so update mMaxSelfProgress... Otherwise, set it to -1 to indicate
|
|
// that the content-length is no longer known.
|
|
//
|
|
if (aProgressMax != (PRUint32)-1) {
|
|
mMaxSelfProgress += aProgressMax;
|
|
info->mMaxProgress = aProgressMax;
|
|
} else {
|
|
mMaxSelfProgress = -1;
|
|
info->mMaxProgress = -1;
|
|
}
|
|
|
|
// Send a STATE_TRANSFERRING notification for the request.
|
|
PRInt32 flags;
|
|
|
|
flags = nsIWebProgressListener::STATE_TRANSFERRING |
|
|
nsIWebProgressListener::STATE_IS_REQUEST;
|
|
//
|
|
// Move the WebProgress into the STATE_TRANSFERRING state if necessary...
|
|
//
|
|
if (mProgressStateFlags & nsIWebProgressListener::STATE_START) {
|
|
mProgressStateFlags = nsIWebProgressListener::STATE_TRANSFERRING;
|
|
|
|
// Send STATE_TRANSFERRING for the document too...
|
|
flags |= nsIWebProgressListener::STATE_IS_DOCUMENT;
|
|
}
|
|
|
|
FireOnStateChange(this, aRequest, flags, NS_OK);
|
|
}
|
|
|
|
// Update the current progress count...
|
|
progressDelta = aProgress - info->mCurrentProgress;
|
|
mCurrentSelfProgress += progressDelta;
|
|
|
|
info->mCurrentProgress = aProgress;
|
|
}
|
|
//
|
|
// The request is not part of the load group, so ignore its progress
|
|
// information...
|
|
//
|
|
else {
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
|
|
GetURIStringFromRequest(aRequest, buffer);
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p OOPS - No Request Info for: %s\n",
|
|
this, (const char *)buffer));
|
|
#endif /* DEBUG */
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//
|
|
// Fire progress notifications out to any registered nsIWebProgressListeners
|
|
//
|
|
FireOnProgressChange(this, aRequest, aProgress, aProgressMax, progressDelta,
|
|
mCurrentTotalProgress, mMaxTotalProgress);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsDocLoaderImpl::OnStatus(nsIRequest* aRequest, nsISupports* ctxt,
|
|
nsresult aStatus, const PRUnichar* aStatusArg)
|
|
{
|
|
//
|
|
// Fire progress notifications out to any registered nsIWebProgressListeners
|
|
//
|
|
if (aStatus) {
|
|
nsresult rv;
|
|
nsCOMPtr<nsIStringBundleService> sbs = do_GetService(kStringBundleServiceCID, &rv);
|
|
if (NS_FAILED(rv)) return rv;
|
|
nsXPIDLString msg;
|
|
rv = sbs->FormatStatusMessage(aStatus, aStatusArg, getter_Copies(msg));
|
|
if (NS_FAILED(rv)) return rv;
|
|
FireOnStatusChange(this, aRequest, aStatus, msg);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
void nsDocLoaderImpl::ClearInternalProgress()
|
|
{
|
|
ClearRequestInfoList();
|
|
|
|
mCurrentSelfProgress = mMaxSelfProgress = 0;
|
|
mCurrentTotalProgress = mMaxTotalProgress = 0;
|
|
|
|
mProgressStateFlags = nsIWebProgressListener::STATE_STOP;
|
|
}
|
|
|
|
|
|
void nsDocLoaderImpl::FireOnProgressChange(nsDocLoaderImpl *aLoadInitiator,
|
|
nsIRequest *request,
|
|
PRInt32 aProgress,
|
|
PRInt32 aProgressMax,
|
|
PRInt32 aProgressDelta,
|
|
PRInt32 aTotalProgress,
|
|
PRInt32 aMaxTotalProgress)
|
|
{
|
|
PRUint32 count;
|
|
|
|
if (mIsLoadingDocument) {
|
|
mCurrentTotalProgress += aProgressDelta;
|
|
GetMaxTotalProgress(&mMaxTotalProgress);
|
|
|
|
aTotalProgress = mCurrentTotalProgress;
|
|
aMaxTotalProgress = mMaxTotalProgress;
|
|
}
|
|
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
|
|
GetURIStringFromRequest(request, buffer);
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: Progress (%s): curSelf: %d maxSelf: %d curTotal: %d maxTotal %d\n",
|
|
this, (const char *)buffer, aProgress, aProgressMax, aTotalProgress, aMaxTotalProgress));
|
|
#endif /* DEBUG */
|
|
|
|
/*
|
|
* First notify any listeners of the new progress info...
|
|
*
|
|
* Operate the elements from back to front so that if items get
|
|
* get removed from the list it won't affect our iteration
|
|
*/
|
|
(void)mListenerList->Count(&count);
|
|
while (count > 0) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
nsresult rv = mListenerList->GetElementAt(--count, getter_AddRefs(supports));
|
|
if (NS_FAILED(rv)) return;
|
|
nsWeakPtr weakPtr = do_QueryInterface(supports);
|
|
|
|
nsCOMPtr<nsIWebProgressListener> listener;
|
|
listener = do_QueryReferent(weakPtr);
|
|
if (!listener) {
|
|
// the listener went away. gracefully pull it out of the list.
|
|
mListenerList->RemoveElementAt(count);
|
|
continue;
|
|
}
|
|
|
|
listener->OnProgressChange(aLoadInitiator,request,
|
|
aProgress, aProgressMax,
|
|
aTotalProgress, aMaxTotalProgress);
|
|
}
|
|
|
|
mListenerList->Compact();
|
|
|
|
// Pass the notification up to the parent...
|
|
if (mParent) {
|
|
mParent->FireOnProgressChange(aLoadInitiator, request,
|
|
aProgress, aProgressMax,
|
|
aProgressDelta,
|
|
aTotalProgress, aMaxTotalProgress);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void nsDocLoaderImpl::FireOnStateChange(nsIWebProgress *aProgress,
|
|
nsIRequest *aRequest,
|
|
PRInt32 aStateFlags,
|
|
nsresult aStatus)
|
|
{
|
|
PRUint32 count;
|
|
|
|
//
|
|
// Remove the STATE_IS_NETWORK bit if necessary.
|
|
//
|
|
// The rule is to remove this bit, if the notification has been passed
|
|
// up from a child WebProgress, and the current WebProgress is already
|
|
// active...
|
|
//
|
|
if (mIsLoadingDocument &&
|
|
(aStateFlags & nsIWebProgressListener::STATE_IS_NETWORK) &&
|
|
(this != aProgress)) {
|
|
aStateFlags &= ~nsIWebProgressListener::STATE_IS_NETWORK;
|
|
}
|
|
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
|
|
GetURIStringFromRequest(aRequest, buffer);
|
|
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
|
|
("DocLoader:%p: Status (%s): code: %x\n",
|
|
this, (const char *)buffer, aStateFlags));
|
|
#endif /* DEBUG */
|
|
|
|
|
|
/*
|
|
* First notify any listeners of the new state info...
|
|
*
|
|
* Operate the elements from back to front so that if items get
|
|
* get removed from the list it won't affect our iteration
|
|
*/
|
|
(void)mListenerList->Count(&count);
|
|
while (count > 0) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
nsresult rv = mListenerList->GetElementAt(--count, getter_AddRefs(supports));
|
|
if (NS_FAILED(rv)) return;
|
|
nsWeakPtr weakPtr = do_QueryInterface(supports);
|
|
|
|
nsCOMPtr<nsIWebProgressListener> listener;
|
|
listener = do_QueryReferent(weakPtr);
|
|
if (!listener) {
|
|
// the listener went away, gracefully pull it out of the list.
|
|
mListenerList->RemoveElementAt(count);
|
|
continue;
|
|
}
|
|
|
|
listener->OnStateChange(aProgress, aRequest, aStateFlags, aStatus);
|
|
}
|
|
|
|
mListenerList->Compact();
|
|
|
|
// Pass the notification up to the parent...
|
|
if (mParent) {
|
|
mParent->FireOnStateChange(aProgress, aRequest, aStateFlags, aStatus);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::FireOnLocationChange(nsIWebProgress* aWebProgress,
|
|
nsIRequest* aRequest,
|
|
nsIURI *aUri)
|
|
{
|
|
PRUint32 count;
|
|
|
|
(void)mListenerList->Count(&count);
|
|
while (count > 0) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
nsresult rv = mListenerList->GetElementAt(--count, getter_AddRefs(supports));
|
|
if (NS_FAILED(rv)) return rv;
|
|
nsWeakPtr weakPtr = do_QueryInterface(supports);
|
|
|
|
nsCOMPtr<nsIWebProgressListener> listener;
|
|
listener = do_QueryReferent(weakPtr);
|
|
if (!listener) {
|
|
// the listener went away. gracefully pull it out of the list.
|
|
mListenerList->RemoveElementAt(count);
|
|
continue;
|
|
}
|
|
|
|
listener->OnLocationChange(aWebProgress, aRequest, aUri);
|
|
}
|
|
|
|
mListenerList->Compact();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocLoaderImpl::FireOnStatusChange(nsIWebProgress* aWebProgress,
|
|
nsIRequest* aRequest,
|
|
nsresult aStatus,
|
|
const PRUnichar* aMessage)
|
|
{
|
|
PRUint32 count;
|
|
|
|
(void)mListenerList->Count(&count);
|
|
while (count > 0) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
nsresult rv = mListenerList->GetElementAt(--count, getter_AddRefs(supports));
|
|
if (NS_FAILED(rv)) return rv;
|
|
nsWeakPtr weakPtr = do_QueryInterface(supports);
|
|
|
|
nsCOMPtr<nsIWebProgressListener> listener;
|
|
listener = do_QueryReferent(weakPtr);
|
|
if (!listener) {
|
|
// the listener went away. gracefully pull it out of the list.
|
|
mListenerList->RemoveElementAt(count);
|
|
continue;
|
|
}
|
|
|
|
listener->OnStatusChange(aWebProgress, aRequest, aStatus, aMessage);
|
|
}
|
|
mListenerList->Compact();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsDocLoaderImpl::AddRequestInfo(nsIRequest *aRequest)
|
|
{
|
|
nsresult rv;
|
|
PRUint32 loadAttribs=nsIChannel::LOAD_NORMAL;
|
|
|
|
nsRequestInfo *info;
|
|
|
|
info = new nsRequestInfo(aRequest);
|
|
if (info) {
|
|
// XXX this method incorrectly returns a bool
|
|
rv = mRequestInfoList.AppendElement(info) ? NS_OK : NS_ERROR_FAILURE;
|
|
} else {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
nsRequestInfo * nsDocLoaderImpl::GetRequestInfo(nsIRequest *aRequest)
|
|
{
|
|
nsRequestInfo *info;
|
|
PRInt32 i, count;
|
|
|
|
count = mRequestInfoList.Count();
|
|
for(i=0; i<count; i++) {
|
|
info = (nsRequestInfo *)mRequestInfoList.ElementAt(i);
|
|
if (aRequest == info->mKey) {
|
|
return info;
|
|
}
|
|
}
|
|
|
|
return nsnull;
|
|
}
|
|
|
|
nsresult nsDocLoaderImpl::ClearRequestInfoList(void)
|
|
{
|
|
nsRequestInfo *info;
|
|
PRInt32 i, count;
|
|
|
|
count = mRequestInfoList.Count();
|
|
for(i=0; i<count; i++) {
|
|
info = (nsRequestInfo *)mRequestInfoList.ElementAt(i);
|
|
delete info;
|
|
}
|
|
|
|
mRequestInfoList.Clear();
|
|
mRequestInfoList.Compact();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void nsDocLoaderImpl::CalculateMaxProgress(PRInt32 *aMax)
|
|
{
|
|
PRInt32 i, count;
|
|
PRInt32 current=0, max=0;
|
|
|
|
count = mRequestInfoList.Count();
|
|
for(i=0; i<count; i++) {
|
|
nsRequestInfo *info;
|
|
|
|
info = (nsRequestInfo *)mRequestInfoList.ElementAt(i);
|
|
|
|
current += info->mCurrentProgress;
|
|
if (max >= 0) {
|
|
if (info->mMaxProgress < info->mCurrentProgress) {
|
|
max = -1;
|
|
} else {
|
|
max += info->mMaxProgress;
|
|
}
|
|
}
|
|
}
|
|
|
|
*aMax = max;
|
|
}
|
|
|
|
NS_IMETHODIMP nsDocLoaderImpl::OnHeadersAvailable(nsISupports * aContext)
|
|
{
|
|
// right now I don't think we need to do anything special for this case...
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsDocLoaderImpl::OnRedirect(nsISupports * aContext, nsIURI * aNewLocation)
|
|
{
|
|
// we have a problem in that this method doesn't give us enough information about
|
|
// the url being redirected. We need to know if the url is the document url or some other
|
|
// part of the document (like an image). Proper implementation requires this, otherwise
|
|
// we end up setting the url bar location to a redirected image url when we didn't want to.
|
|
// for now, we'll make the implementation empty.
|
|
|
|
if (aContext)
|
|
{
|
|
PRInt32 stateFlags = nsIWebProgressListener::STATE_REDIRECTING |
|
|
nsIWebProgressListener::STATE_IS_REQUEST |
|
|
nsIWebProgressListener::STATE_IS_NETWORK;
|
|
nsCOMPtr<nsIRequest> request (do_QueryInterface(aContext));
|
|
// if the current channel == the document channel (then we must be getting a redirect on the
|
|
// actual document and not a part in the document so be sure to set the state is document flag
|
|
// and to reset mDocumentRequest...
|
|
if (request.get() == mDocumentRequest.get())
|
|
{
|
|
stateFlags |= nsIWebProgressListener::STATE_IS_DOCUMENT;
|
|
mDocumentRequest = request; // reset the document channel
|
|
}
|
|
|
|
FireOnStateChange(this, request, stateFlags, NS_OK);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsDocLoaderImpl::OnSecurityChange(nsISupports * aContext,
|
|
PRInt32 state)
|
|
{
|
|
//
|
|
// Fire progress notifications out to any registered nsIWebProgressListeners.
|
|
//
|
|
|
|
nsCOMPtr<nsIRequest> request = do_QueryInterface(aContext);
|
|
nsIWebProgress* webProgress = NS_STATIC_CAST(nsIWebProgress*, this);
|
|
|
|
PRUint32 count;
|
|
(void)mListenerList->Count(&count);
|
|
|
|
while (count > 0) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
nsresult rv = mListenerList->GetElementAt(--count, getter_AddRefs(supports));
|
|
if (NS_FAILED(rv)) return rv;
|
|
nsWeakPtr weakPtr = do_QueryInterface(supports);
|
|
|
|
nsCOMPtr<nsIWebProgressListener> listener;
|
|
listener = do_QueryReferent(weakPtr);
|
|
if (!listener) {
|
|
// the listener went away. gracefully pull it out of the list.
|
|
mListenerList->RemoveElementAt(count);
|
|
continue;
|
|
}
|
|
listener->OnSecurityChange(webProgress, request, state);
|
|
}
|
|
|
|
mListenerList->Compact();
|
|
|
|
// Pass the notification up to the parent...
|
|
if (mParent) {
|
|
mParent->OnSecurityChange(aContext, state);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
|
|
#if 0
|
|
void nsDocLoaderImpl::DumpChannelInfo()
|
|
{
|
|
nsChannelInfo *info;
|
|
PRInt32 i, count;
|
|
PRInt32 current=0, max=0;
|
|
|
|
|
|
printf("==== DocLoader=%x\n", this);
|
|
|
|
count = mChannelInfoList.Count();
|
|
for(i=0; i<count; i++) {
|
|
info = (nsChannelInfo *)mChannelInfoList.ElementAt(i);
|
|
|
|
#if defined(DEBUG)
|
|
nsXPIDLCString buffer;
|
|
nsresult rv = NS_OK;
|
|
if (info->mURI) {
|
|
rv = info->mURI->GetSpec(getter_Copies(buffer));
|
|
}
|
|
|
|
printf(" [%d] current=%d max=%d [%s]\n", i,
|
|
info->mCurrentProgress,
|
|
info->mMaxProgress, (const char *)buffer);
|
|
#endif /* DEBUG */
|
|
|
|
current += info->mCurrentProgress;
|
|
if (max >= 0) {
|
|
if (info->mMaxProgress < info->mCurrentProgress) {
|
|
max = -1;
|
|
} else {
|
|
max += info->mMaxProgress;
|
|
}
|
|
}
|
|
}
|
|
|
|
printf("\nCurrent=%d Total=%d\n====\n", current, max);
|
|
}
|
|
#endif /* 0 */
|
|
|