зеркало из https://github.com/mozilla/gecko-dev.git
172 строки
5.9 KiB
C++
172 строки
5.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Sean Echevarria <sean@beatnik.com>
|
|
* Håkan Waara <hwaara@chello.se>
|
|
* Josh Aas <josh@mozilla.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef nsPluginStreamListenerPeer_h_
|
|
#define nsPluginStreamListenerPeer_h_
|
|
|
|
#include "nscore.h"
|
|
#include "nsIFile.h"
|
|
#include "nsIStreamListener.h"
|
|
#include "nsIProgressEventSink.h"
|
|
#include "nsIHttpHeaderVisitor.h"
|
|
#include "nsWeakReference.h"
|
|
#include "nsNPAPIPluginStreamListener.h"
|
|
#include "nsHashtable.h"
|
|
#include "nsNPAPIPluginInstance.h"
|
|
#include "nsIInterfaceRequestor.h"
|
|
#include "nsIChannelEventSink.h"
|
|
|
|
class nsIChannel;
|
|
|
|
/**
|
|
* When a plugin requests opens multiple requests to the same URL and
|
|
* the request must be satified by saving a file to disk, each stream
|
|
* listener holds a reference to the backing file: the file is only removed
|
|
* when all the listeners are done.
|
|
*/
|
|
class CachedFileHolder
|
|
{
|
|
public:
|
|
CachedFileHolder(nsIFile* cacheFile);
|
|
~CachedFileHolder();
|
|
|
|
void AddRef();
|
|
void Release();
|
|
|
|
nsIFile* file() const { return mFile; }
|
|
|
|
private:
|
|
nsAutoRefCnt mRefCnt;
|
|
nsCOMPtr<nsIFile> mFile;
|
|
};
|
|
|
|
class nsPluginStreamListenerPeer : public nsIStreamListener,
|
|
public nsIProgressEventSink,
|
|
public nsIHttpHeaderVisitor,
|
|
public nsSupportsWeakReference,
|
|
public nsINPAPIPluginStreamInfo,
|
|
public nsIInterfaceRequestor,
|
|
public nsIChannelEventSink
|
|
{
|
|
public:
|
|
nsPluginStreamListenerPeer();
|
|
virtual ~nsPluginStreamListenerPeer();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIPROGRESSEVENTSINK
|
|
NS_DECL_NSIREQUESTOBSERVER
|
|
NS_DECL_NSISTREAMLISTENER
|
|
NS_DECL_NSIHTTPHEADERVISITOR
|
|
NS_DECL_NSIINTERFACEREQUESTOR
|
|
NS_DECL_NSICHANNELEVENTSINK
|
|
|
|
// nsINPAPIPluginStreamInfo interface
|
|
NS_DECL_NSIPLUGINSTREAMINFO
|
|
|
|
// Called by RequestRead
|
|
void
|
|
MakeByteRangeString(NPByteRange* aRangeList, nsACString &string, PRInt32 *numRequests);
|
|
|
|
bool UseExistingPluginCacheFile(nsPluginStreamListenerPeer* psi);
|
|
|
|
// Called by GetURL and PostURL (via NewStream)
|
|
nsresult Initialize(nsIURI *aURL,
|
|
nsNPAPIPluginInstance *aInstance,
|
|
nsIPluginStreamListener *aListener);
|
|
|
|
nsresult InitializeEmbedded(nsIURI *aURL,
|
|
nsNPAPIPluginInstance* aInstance,
|
|
nsIPluginInstanceOwner *aOwner = nsnull);
|
|
|
|
nsresult InitializeFullPage(nsIURI* aURL, nsNPAPIPluginInstance *aInstance);
|
|
|
|
nsresult OnFileAvailable(nsIFile* aFile);
|
|
|
|
nsresult ServeStreamAsFile(nsIRequest *request, nsISupports *ctxt);
|
|
|
|
nsNPAPIPluginInstance *GetPluginInstance() { return mPluginInstance; }
|
|
|
|
private:
|
|
nsresult SetUpStreamListener(nsIRequest* request, nsIURI* aURL);
|
|
nsresult SetupPluginCacheFile(nsIChannel* channel);
|
|
nsresult GetInterfaceGlobal(const nsIID& aIID, void** result);
|
|
|
|
nsCOMPtr<nsIURI> mURL;
|
|
nsCString mURLSpec; // Have to keep this member because GetURL hands out char*
|
|
nsCOMPtr<nsIPluginInstanceOwner> mOwner;
|
|
nsRefPtr<nsNPAPIPluginStreamListener> mPStreamListener;
|
|
|
|
// Set to true if we request failed (like with a HTTP response of 404)
|
|
bool mRequestFailed;
|
|
|
|
/*
|
|
* Set to true after nsIPluginStreamListener::OnStartBinding() has
|
|
* been called. Checked in ::OnStopRequest so we can call the
|
|
* plugin's OnStartBinding if, for some reason, it has not already
|
|
* been called.
|
|
*/
|
|
bool mStartBinding;
|
|
bool mHaveFiredOnStartRequest;
|
|
// these get passed to the plugin stream listener
|
|
PRUint32 mLength;
|
|
PRInt32 mStreamType;
|
|
|
|
// local cached file, we save the content into local cache if browser cache is not available,
|
|
// or plugin asks stream as file and it expects file extension until bug 90558 got fixed
|
|
nsRefPtr<CachedFileHolder> mLocalCachedFileHolder;
|
|
nsCOMPtr<nsIOutputStream> mFileCacheOutputStream;
|
|
nsHashtable *mDataForwardToRequest;
|
|
|
|
nsCString mContentType;
|
|
bool mSeekable;
|
|
PRUint32 mModified;
|
|
nsRefPtr<nsNPAPIPluginInstance> mPluginInstance;
|
|
PRInt32 mStreamOffset;
|
|
bool mStreamComplete;
|
|
|
|
public:
|
|
bool mAbort;
|
|
PRInt32 mPendingRequests;
|
|
nsWeakPtr mWeakPtrChannelCallbacks;
|
|
nsWeakPtr mWeakPtrChannelLoadGroup;
|
|
};
|
|
|
|
#endif // nsPluginStreamListenerPeer_h_
|