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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_RENDERER_NPAPI_PLUGIN_CHANNEL_HOST_H_ | |
| 6 #define CONTENT_RENDERER_NPAPI_PLUGIN_CHANNEL_HOST_H_ | |
| 7 | |
| 8 #include "base/containers/hash_tables.h" | |
| 9 #include "base/macros.h" | |
| 10 #include "build/build_config.h" | |
| 11 #include "content/child/npapi/np_channel_base.h" | |
| 12 #include "ipc/ipc_channel_handle.h" | |
| 13 | |
| 14 namespace content { | |
| 15 // Encapsulates an IPC channel between the renderer and one plugin process. | |
| 16 // On the plugin side there's a corresponding PluginChannel. | |
| 17 class PluginChannelHost : public NPChannelBase { | |
| 18 public: | |
| 19 #if defined(OS_MACOSX) | |
| 20 // TODO(shess): Debugging for http://crbug.com/97285 . See comment | |
| 21 // in plugin_channel_host.cc. | |
| 22 static bool* GetRemoveTrackingFlag(); | |
| 23 #endif | |
| 24 static PluginChannelHost* GetPluginChannelHost( | |
| 25 const IPC::ChannelHandle& channel_handle, | |
| 26 base::SingleThreadTaskRunner* ipc_task_runner); | |
| 27 | |
| 28 bool Init(base::SingleThreadTaskRunner* ipc_task_runner, | |
| 29 bool create_pipe_now, | |
| 30 base::WaitableEvent* shutdown_event) override; | |
| 31 | |
| 32 int GenerateRouteID() override; | |
| 33 | |
| 34 void AddRoute(int route_id, IPC::Listener* listener); | |
| 35 void RemoveRoute(int route_id); | |
| 36 | |
| 37 // NPChannelBase override: | |
| 38 bool Send(IPC::Message* msg) override; | |
| 39 | |
| 40 // IPC::Listener override | |
| 41 void OnChannelError() override; | |
| 42 | |
| 43 static void Broadcast(IPC::Message* message) { | |
| 44 NPChannelBase::Broadcast(message); | |
| 45 } | |
| 46 | |
| 47 bool expecting_shutdown() { return expecting_shutdown_; } | |
| 48 | |
| 49 private: | |
| 50 // Called on the render thread | |
| 51 PluginChannelHost(); | |
| 52 ~PluginChannelHost() override; | |
| 53 | |
| 54 static NPChannelBase* ClassFactory() { return new PluginChannelHost(); } | |
| 55 | |
| 56 bool OnControlMessageReceived(const IPC::Message& message) override; | |
| 57 void OnPluginShuttingDown(); | |
| 58 | |
| 59 // Keep track of all the registered WebPluginDelegeProxies to | |
| 60 // inform about OnChannelError | |
| 61 typedef base::hash_map<int, IPC::Listener*> ProxyMap; | |
| 62 ProxyMap proxies_; | |
| 63 | |
| 64 // True if we are expecting the plugin process to go away - in which case, | |
| 65 // don't treat it as a crash. | |
| 66 bool expecting_shutdown_; | |
| 67 | |
| 68 DISALLOW_COPY_AND_ASSIGN(PluginChannelHost); | |
| 69 }; | |
| 70 | |
| 71 } // namespace content | |
| 72 | |
| 73 #endif // CONTENT_RENDERER_NPAPI_PLUGIN_CHANNEL_HOST_H_ | |
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