LCOV - code coverage report
Current view: directory - dom/plugins/base - nsNPAPIPluginStreamListener.h (source / functions) Found Hit Coverage
Test: app.info Lines: 30 0 0.0 %
Date: 2012-06-02 Functions: 11 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; 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                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifndef nsNPAPIPluginStreamListener_h_
      39                 : #define nsNPAPIPluginStreamListener_h_
      40                 : 
      41                 : #include "nscore.h"
      42                 : #include "nsIPluginStreamListener.h"
      43                 : #include "nsIPluginStreamInfo.h"
      44                 : #include "nsIHTTPHeaderListener.h"
      45                 : #include "nsIRequest.h"
      46                 : #include "nsITimer.h"
      47                 : #include "nsAutoPtr.h"
      48                 : #include "nsCOMArray.h"
      49                 : #include "nsIOutputStream.h"
      50                 : #include "nsIPluginInstanceOwner.h"
      51                 : #include "nsString.h"
      52                 : #include "nsNPAPIPluginInstance.h"
      53                 : #include "nsIAsyncVerifyRedirectCallback.h"
      54                 : #include "mozilla/PluginLibrary.h"
      55                 : 
      56                 : #define MAX_PLUGIN_NECKO_BUFFER 16384
      57                 : 
      58                 : class nsINPAPIPluginStreamInfo;
      59                 : class nsPluginStreamListenerPeer;
      60                 : 
      61                 : // nsINPAPIPluginStreamInfo is an internal helper interface that exposes
      62                 : // the underlying necko request to consumers of nsIPluginStreamInfo's.
      63                 : #define NS_INPAPIPLUGINSTREAMINFO_IID       \
      64                 : { 0x097fdaaa, 0xa2a3, 0x49c2, \
      65                 : {0x91, 0xee, 0xeb, 0xc5, 0x7d, 0x6c, 0x9c, 0x97} }
      66                 : 
      67                 : class nsINPAPIPluginStreamInfo : public nsIPluginStreamInfo
      68               0 : {
      69                 : public:
      70                 :   NS_DECLARE_STATIC_IID_ACCESSOR(NS_INPAPIPLUGINSTREAMINFO_IID)
      71                 : 
      72               0 :   void TrackRequest(nsIRequest* request)
      73                 :   {
      74               0 :     mRequests.AppendObject(request);
      75               0 :   }
      76                 : 
      77               0 :   void ReplaceRequest(nsIRequest* oldRequest, nsIRequest* newRequest)
      78                 :   {
      79               0 :     PRInt32 i = mRequests.IndexOfObject(oldRequest);
      80               0 :     if (i == -1) {
      81               0 :       NS_ASSERTION(mRequests.Count() == 0,
      82                 :                    "Only our initial stream should be unknown!");
      83               0 :       mRequests.AppendObject(oldRequest);
      84                 :     }
      85                 :     else {
      86               0 :       mRequests.ReplaceObjectAt(newRequest, i);
      87                 :     }
      88               0 :   }
      89                 :   
      90               0 :   void CancelRequests(nsresult status)
      91                 :   {
      92                 :     // Copy the array to avoid modification during the loop.
      93               0 :     nsCOMArray<nsIRequest> requestsCopy(mRequests);
      94               0 :     for (PRInt32 i = 0; i < requestsCopy.Count(); ++i)
      95               0 :       requestsCopy[i]->Cancel(status);
      96               0 :   }
      97                 : 
      98               0 :   void SuspendRequests() {
      99               0 :     nsCOMArray<nsIRequest> requestsCopy(mRequests);
     100               0 :     for (PRInt32 i = 0; i < requestsCopy.Count(); ++i)
     101               0 :       requestsCopy[i]->Suspend();
     102               0 :   }
     103                 : 
     104               0 :   void ResumeRequests() {
     105               0 :     nsCOMArray<nsIRequest> requestsCopy(mRequests);
     106               0 :     for (PRInt32 i = 0; i < requestsCopy.Count(); ++i)
     107               0 :       requestsCopy[i]->Resume();
     108               0 :   }
     109                 : 
     110                 : protected:
     111                 :   friend class nsPluginByteRangeStreamListener;
     112                 :   
     113                 :   nsCOMArray<nsIRequest> mRequests;
     114                 : };
     115                 : 
     116                 : NS_DEFINE_STATIC_IID_ACCESSOR(nsINPAPIPluginStreamInfo,
     117                 :                               NS_INPAPIPLUGINSTREAMINFO_IID)
     118                 : 
     119                 : // Used to handle NPN_NewStream() - writes the stream as received by the plugin
     120                 : // to a file and at completion (NPN_DestroyStream), tells the browser to load it into
     121                 : // a plugin-specified target
     122                 : class nsPluginStreamToFile : public nsIOutputStream
     123                 : {
     124                 : public:
     125                 :   nsPluginStreamToFile(const char* target, nsIPluginInstanceOwner* owner);
     126                 :   virtual ~nsPluginStreamToFile();
     127                 : 
     128                 :   NS_DECL_ISUPPORTS
     129                 :   NS_DECL_NSIOUTPUTSTREAM
     130                 : protected:
     131                 :   char* mTarget;
     132                 :   nsCString mFileURL;
     133                 :   nsCOMPtr<nsILocalFile> mTempFile;
     134                 :   nsCOMPtr<nsIOutputStream> mOutputStream;
     135                 :   nsIPluginInstanceOwner* mOwner;
     136                 : };
     137                 : 
     138                 : class nsNPAPIPluginStreamListener : public nsIPluginStreamListener,
     139                 :                                     public nsITimerCallback,
     140                 :                                     public nsIHTTPHeaderListener
     141                 : {
     142                 : private:
     143                 :   typedef mozilla::PluginLibrary PluginLibrary;
     144                 : 
     145                 : public:
     146                 :   NS_DECL_ISUPPORTS
     147                 :   NS_DECL_NSIPLUGINSTREAMLISTENER
     148                 :   NS_DECL_NSITIMERCALLBACK
     149                 :   NS_DECL_NSIHTTPHEADERLISTENER
     150                 : 
     151                 :   nsNPAPIPluginStreamListener(nsNPAPIPluginInstance* inst, void* notifyData,
     152                 :                               const char* aURL);
     153                 :   virtual ~nsNPAPIPluginStreamListener();
     154                 : 
     155                 :   bool IsStarted();
     156                 :   nsresult CleanUpStream(NPReason reason);
     157                 :   void CallURLNotify(NPReason reason);
     158               0 :   void SetCallNotify(bool aCallNotify) { mCallNotify = aCallNotify; }
     159                 :   void SuspendRequest();
     160                 :   void ResumeRequest();
     161                 :   nsresult StartDataPump();
     162                 :   void StopDataPump();
     163                 :   bool PluginInitJSLoadInProgress();
     164                 : 
     165               0 :   void* GetNotifyData() { return mNPStream.notifyData; }
     166               0 :   nsPluginStreamListenerPeer* GetStreamListenerPeer() { return mStreamListenerPeer; }
     167               0 :   void SetStreamListenerPeer(nsPluginStreamListenerPeer* aPeer) { mStreamListenerPeer = aPeer; }
     168                 : 
     169                 :   // Returns true if the redirect will be handled by NPAPI, false otherwise.
     170                 :   bool HandleRedirectNotification(nsIChannel *oldChannel, nsIChannel *newChannel,
     171                 :                                   nsIAsyncVerifyRedirectCallback* callback);
     172                 :   void URLRedirectResponse(NPBool allow);
     173                 : 
     174                 : protected:
     175                 :   char* mStreamBuffer;
     176                 :   char* mNotifyURL;
     177                 :   nsRefPtr<nsNPAPIPluginInstance> mInst;
     178                 :   nsPluginStreamListenerPeer* mStreamListenerPeer;
     179                 :   NPStream mNPStream;
     180                 :   PRUint32 mStreamBufferSize;
     181                 :   PRInt32 mStreamBufferByteCount;
     182                 :   PRInt32 mStreamType;
     183                 :   bool mStreamStarted;
     184                 :   bool mStreamCleanedUp;
     185                 :   bool mCallNotify;
     186                 :   bool mIsSuspended;
     187                 :   bool mIsPluginInitJSStream;
     188                 :   bool mRedirectDenied;
     189                 :   nsCString mResponseHeaders;
     190                 :   char* mResponseHeaderBuf;
     191                 :   nsCOMPtr<nsITimer> mDataPumpTimer;
     192                 :   nsCOMPtr<nsIAsyncVerifyRedirectCallback> mHTTPRedirectCallback;
     193                 : 
     194                 : public:
     195                 :   nsCOMPtr<nsIPluginStreamInfo> mStreamInfo;
     196                 : };
     197                 : 
     198                 : #endif // nsNPAPIPluginStreamListener_h_

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