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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_PLUGIN_PLUGIN_THREAD_H_
      6 #define CONTENT_PLUGIN_PLUGIN_THREAD_H_
      7 
      8 #include "base/files/file_path.h"
      9 #include "base/native_library.h"
     10 #include "build/build_config.h"
     11 #include "content/child/child_thread.h"
     12 #include "content/child/npapi/plugin_lib.h"
     13 #include "content/plugin/plugin_channel.h"
     14 
     15 #if defined(OS_POSIX)
     16 #include "base/file_descriptor_posix.h"
     17 #endif
     18 
     19 namespace content {
     20 class BlinkPlatformImpl;
     21 
     22 // The PluginThread class represents a background thread where plugin instances
     23 // live.  Communication occurs between WebPluginDelegateProxy in the renderer
     24 // process and WebPluginDelegateStub in this thread through IPC messages.
     25 class PluginThread : public ChildThread {
     26  public:
     27   PluginThread();
     28   virtual ~PluginThread();
     29   virtual void Shutdown() OVERRIDE;
     30 
     31   // Returns the one plugin thread.
     32   static PluginThread* current();
     33 
     34   // Tells the plugin thread to terminate the process forcefully instead of
     35   // exiting cleanly.
     36   void SetForcefullyTerminatePluginProcess();
     37 
     38  private:
     39   virtual bool OnControlMessageReceived(const IPC::Message& msg) OVERRIDE;
     40 
     41   // Callback for when a channel has been created.
     42   void OnCreateChannel(int renderer_id, bool incognito);
     43   void OnPluginMessage(const std::vector<uint8> &data);
     44   void OnNotifyRenderersOfPendingShutdown();
     45 #if defined(OS_MACOSX)
     46   void OnAppActivated();
     47   void OnPluginFocusNotify(uint32 instance_id);
     48 #endif
     49 
     50   // The plugin module which is preloaded in Init
     51   base::NativeLibrary preloaded_plugin_module_;
     52 
     53   bool forcefully_terminate_plugin_process_;
     54 
     55   scoped_ptr<BlinkPlatformImpl> webkit_platform_support_;
     56 
     57   DISALLOW_COPY_AND_ASSIGN(PluginThread);
     58 };
     59 
     60 }  // namespace content
     61 
     62 #endif  // CONTENT_PLUGIN_PLUGIN_THREAD_H_
     63