LCOV - code coverage report
Current view: directory - dom/plugins/base - nsPluginStreamListenerPeer.h (source / functions) Found Hit Coverage
Test: app.info Lines: 2 0 0.0 %
Date: 2012-06-02 Functions: 2 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Sean Echevarria <sean@beatnik.com>
      24                 :  *   HÃ¥kan Waara <hwaara@chello.se>
      25                 :  *   Josh Aas <josh@mozilla.com>
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      29                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : #ifndef nsPluginStreamListenerPeer_h_
      42                 : #define nsPluginStreamListenerPeer_h_
      43                 : 
      44                 : #include "nscore.h"
      45                 : #include "nsIFile.h"
      46                 : #include "nsIStreamListener.h"
      47                 : #include "nsIProgressEventSink.h"
      48                 : #include "nsIHttpHeaderVisitor.h"
      49                 : #include "nsWeakReference.h"
      50                 : #include "nsNPAPIPluginStreamListener.h"
      51                 : #include "nsHashtable.h"
      52                 : #include "nsNPAPIPluginInstance.h"
      53                 : #include "nsIInterfaceRequestor.h"
      54                 : #include "nsIChannelEventSink.h"
      55                 : #include "nsObjectLoadingContent.h"
      56                 : 
      57                 : class nsIChannel;
      58                 : 
      59                 : /**
      60                 :  * When a plugin requests opens multiple requests to the same URL and
      61                 :  * the request must be satified by saving a file to disk, each stream
      62                 :  * listener holds a reference to the backing file: the file is only removed
      63                 :  * when all the listeners are done.
      64                 :  */
      65                 : class CachedFileHolder
      66                 : {
      67                 : public:
      68                 :   CachedFileHolder(nsIFile* cacheFile);
      69                 :   ~CachedFileHolder();
      70                 :   
      71                 :   void AddRef();
      72                 :   void Release();
      73                 :   
      74               0 :   nsIFile* file() const { return mFile; }
      75                 :   
      76                 : private:
      77                 :   nsAutoRefCnt mRefCnt;
      78                 :   nsCOMPtr<nsIFile> mFile;
      79                 : };
      80                 : 
      81                 : class nsPluginStreamListenerPeer : public nsIStreamListener,
      82                 : public nsIProgressEventSink,
      83                 : public nsIHttpHeaderVisitor,
      84                 : public nsSupportsWeakReference,
      85                 : public nsINPAPIPluginStreamInfo,
      86                 : public nsIInterfaceRequestor,
      87                 : public nsIChannelEventSink
      88                 : {
      89                 : public:
      90                 :   nsPluginStreamListenerPeer();
      91                 :   virtual ~nsPluginStreamListenerPeer();
      92                 :   
      93                 :   NS_DECL_ISUPPORTS
      94                 :   NS_DECL_NSIPROGRESSEVENTSINK
      95                 :   NS_DECL_NSIREQUESTOBSERVER
      96                 :   NS_DECL_NSISTREAMLISTENER
      97                 :   NS_DECL_NSIHTTPHEADERVISITOR
      98                 :   NS_DECL_NSIINTERFACEREQUESTOR
      99                 :   NS_DECL_NSICHANNELEVENTSINK
     100                 : 
     101                 :   // nsINPAPIPluginStreamInfo interface
     102                 :   NS_DECL_NSIPLUGINSTREAMINFO
     103                 :   
     104                 :   // Called by RequestRead
     105                 :   void
     106                 :   MakeByteRangeString(NPByteRange* aRangeList, nsACString &string, PRInt32 *numRequests);
     107                 :   
     108                 :   bool UseExistingPluginCacheFile(nsPluginStreamListenerPeer* psi);
     109                 :   
     110                 :   // Called by GetURL and PostURL (via NewStream)
     111                 :   nsresult Initialize(nsIURI *aURL,
     112                 :                       nsNPAPIPluginInstance *aInstance,
     113                 :                       nsIPluginStreamListener *aListener);
     114                 :   
     115                 :   nsresult InitializeEmbedded(nsIURI *aURL,
     116                 :                               nsNPAPIPluginInstance* aInstance,
     117                 :                               nsObjectLoadingContent *aContent);
     118                 :   
     119                 :   nsresult InitializeFullPage(nsIURI* aURL, nsNPAPIPluginInstance *aInstance);
     120                 : 
     121                 :   nsresult OnFileAvailable(nsIFile* aFile);
     122                 :   
     123                 :   nsresult ServeStreamAsFile(nsIRequest *request, nsISupports *ctxt);
     124                 :   
     125               0 :   nsNPAPIPluginInstance *GetPluginInstance() { return mPluginInstance; }
     126                 :   
     127                 : private:
     128                 :   nsresult SetUpStreamListener(nsIRequest* request, nsIURI* aURL);
     129                 :   nsresult SetupPluginCacheFile(nsIChannel* channel);
     130                 :   nsresult GetInterfaceGlobal(const nsIID& aIID, void** result);
     131                 : 
     132                 :   nsCOMPtr<nsIURI> mURL;
     133                 :   nsCString mURLSpec; // Have to keep this member because GetURL hands out char*
     134                 :   nsCOMPtr<nsIObjectLoadingContent> mContent;
     135                 :   nsRefPtr<nsNPAPIPluginStreamListener> mPStreamListener;
     136                 : 
     137                 :   // Set to true if we request failed (like with a HTTP response of 404)
     138                 :   bool                    mRequestFailed;
     139                 :   
     140                 :   /*
     141                 :    * Set to true after nsIPluginStreamListener::OnStartBinding() has
     142                 :    * been called.  Checked in ::OnStopRequest so we can call the
     143                 :    * plugin's OnStartBinding if, for some reason, it has not already
     144                 :    * been called.
     145                 :    */
     146                 :   bool              mStartBinding;
     147                 :   bool              mHaveFiredOnStartRequest;
     148                 :   // these get passed to the plugin stream listener
     149                 :   PRUint32                mLength;
     150                 :   PRInt32                 mStreamType;
     151                 :   
     152                 :   // local cached file, we save the content into local cache if browser cache is not available,
     153                 :   // or plugin asks stream as file and it expects file extension until bug 90558 got fixed
     154                 :   nsRefPtr<CachedFileHolder> mLocalCachedFileHolder;
     155                 :   nsCOMPtr<nsIOutputStream> mFileCacheOutputStream;
     156                 :   nsHashtable             *mDataForwardToRequest;
     157                 :   
     158                 :   nsCString mContentType;
     159                 :   bool mSeekable;
     160                 :   PRUint32 mModified;
     161                 :   nsRefPtr<nsNPAPIPluginInstance> mPluginInstance;
     162                 :   PRInt32 mStreamOffset;
     163                 :   bool mStreamComplete;
     164                 :   
     165                 : public:
     166                 :   bool                    mAbort;
     167                 :   PRInt32                 mPendingRequests;
     168                 :   nsWeakPtr               mWeakPtrChannelCallbacks;
     169                 :   nsWeakPtr               mWeakPtrChannelLoadGroup;
     170                 : };
     171                 : 
     172                 : #endif // nsPluginStreamListenerPeer_h_

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