content/plugin/plugin_thread.h

   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/file_path.h"
   9 #include "base/native_library.h"
  10 #include "build/build_config.h"
  11 #include "content/common/child_thread.h"
  12 #include "content/plugin/plugin_channel.h"
  13 #include "webkit/plugins/npapi/plugin_lib.h"
  14
  15 #if defined(OS_POSIX)
  16 #include "base/file_descriptor_posix.h"
  17 #endif
  18
  19 namespace content {
  20
  21 // The PluginThread class represents a background thread where plugin instances
  22 // live.  Communication occurs between WebPluginDelegateProxy in the renderer
  23 // process and WebPluginDelegateStub in this thread through IPC messages.
  24 class PluginThread : public ChildThread {
  25  public:
  26   PluginThread();
  27   virtual ~PluginThread();
  28
  29   // Returns the one plugin thread.
  30   static PluginThread* current();
  31
  32  private:
  33   virtual bool OnControlMessageReceived(const IPC::Message& msg) OVERRIDE;
  34
  35   // Callback for when a channel has been created.
  36   void OnCreateChannel(int renderer_id, bool incognito);
  37   void OnPluginMessage(const std::vector<uint8> &data);
  38   void OnNotifyRenderersOfPendingShutdown();
  39 #if defined(OS_MACOSX)
  40   void OnAppActivated();
  41   void OnPluginFocusNotify(uint32 instance_id);
  42 #endif
  43
  44   // The plugin module which is preloaded in Init
  45   base::NativeLibrary preloaded_plugin_module_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(PluginThread);
  48 };
  49
  50 }  // namespace content
  51
  52 #endif  // CONTENT_PLUGIN_PLUGIN_THREAD_H_