Line data    Source code

       1             : /* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef mozilla_plugins_BrowserStreamParent_h
       7             : #define mozilla_plugins_BrowserStreamParent_h
       8             : 
       9             : #include "mozilla/plugins/PBrowserStreamParent.h"
      10             : #include "mozilla/plugins/AStream.h"
      11             : #include "nsNPAPIPluginStreamListener.h"
      12             : #include "nsPluginStreamListenerPeer.h"
      13             : 
      14             : namespace mozilla {
      15             : namespace plugins {
      16             : 
      17             : class PluginInstanceParent;
      18             : 
      19             : class BrowserStreamParent : public PBrowserStreamParent, public AStream
      20             : {
      21             :   friend class PluginModuleParent;
      22             :   friend class PluginInstanceParent;
      23             : 
      24             : public:
      25             :   BrowserStreamParent(PluginInstanceParent* npp,
      26             :                       NPStream* stream);
      27             :   virtual ~BrowserStreamParent();
      28             : 
      29           0 :   virtual bool IsBrowserStream() override { return true; }
      30             : 
      31             :   virtual void ActorDestroy(ActorDestroyReason aWhy) override;
      32             : 
      33             :   virtual mozilla::ipc::IPCResult AnswerNPN_RequestRead(const IPCByteRanges& ranges,
      34             :                                                         NPError* result) override;
      35             : 
      36             :   virtual mozilla::ipc::IPCResult RecvNPN_DestroyStream(const NPReason& reason) override;
      37             : 
      38             :   virtual mozilla::ipc::IPCResult RecvStreamDestroyed() override;
      39             : 
      40             :   int32_t WriteReady();
      41             :   int32_t Write(int32_t offset, int32_t len, void* buffer);
      42             :   void StreamAsFile(const char* fname);
      43             : 
      44             :   void NPP_DestroyStream(NPReason reason);
      45             : 
      46           0 :   void SetAlive()
      47             :   {
      48           0 :     if (mState == INITIALIZING) {
      49           0 :       mState = ALIVE;
      50             :     }
      51           0 :   }
      52             : 
      53             : private:
      54             :   using PBrowserStreamParent::SendNPP_DestroyStream;
      55             : 
      56             :   PluginInstanceParent* mNPP;
      57             :   NPStream* mStream;
      58             :   nsCOMPtr<nsISupports> mStreamPeer;
      59             :   RefPtr<nsNPAPIPluginStreamListener> mStreamListener;
      60             : 
      61             :   enum {
      62             :     INITIALIZING,
      63             :     DEFERRING_DESTROY,
      64             :     ALIVE,
      65             :     DYING,
      66             :     DELETING
      67             :   } mState;
      68             : };
      69             : 
      70             : } // namespace plugins
      71             : } // namespace mozilla
      72             : 
      73             : #endif