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/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
  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   virtual void Shutdown() OVERRIDE;
  29
  30   // Returns the one plugin thread.
  31   static PluginThread* current();
  32
  33   // Tells the plugin thread to terminate the process forcefully instead of
  34   // exiting cleanly.
  35   void SetForcefullyTerminatePluginProcess();
  36
  37  private:
  38   virtual bool OnControlMessageReceived(const IPC::Message& msg) OVERRIDE;
  39
  40   // Callback for when a channel has been created.
  41   void OnCreateChannel(int renderer_id, bool incognito);
  42   void OnPluginMessage(const std::vector<uint8> &data);
  43   void OnNotifyRenderersOfPendingShutdown();
  44 #if defined(OS_MACOSX)
  45   void OnAppActivated();
  46   void OnPluginFocusNotify(uint32 instance_id);
  47 #endif
  48
  49   // The plugin module which is preloaded in Init
  50   base::NativeLibrary preloaded_plugin_module_;
  51
  52   bool forcefully_terminate_plugin_process_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(PluginThread);
  55 };
  56
  57 }  // namespace content
  58
  59 #endif  // CONTENT_PLUGIN_PLUGIN_THREAD_H_