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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_RENDERER_NPAPI_PLUGIN_CHANNEL_HOST_H_ | 5 #ifndef CONTENT_RENDERER_NPAPI_PLUGIN_CHANNEL_HOST_H_ |
6 #define CONTENT_RENDERER_NPAPI_PLUGIN_CHANNEL_HOST_H_ | 6 #define CONTENT_RENDERER_NPAPI_PLUGIN_CHANNEL_HOST_H_ |
7 | 7 |
8 #include "base/containers/hash_tables.h" | 8 #include "base/containers/hash_tables.h" |
9 #include "base/macros.h" | 9 #include "base/macros.h" |
10 #include "build/build_config.h" | 10 #include "build/build_config.h" |
11 #include "content/child/npapi/np_channel_base.h" | 11 #include "content/child/npapi/np_channel_base.h" |
12 #include "ipc/ipc_channel_handle.h" | 12 #include "ipc/ipc_channel_handle.h" |
13 | 13 |
14 namespace content { | 14 namespace content { |
15 class NPObjectBase; | |
16 | |
17 // Encapsulates an IPC channel between the renderer and one plugin process. | 15 // Encapsulates an IPC channel between the renderer and one plugin process. |
18 // On the plugin side there's a corresponding PluginChannel. | 16 // On the plugin side there's a corresponding PluginChannel. |
19 class PluginChannelHost : public NPChannelBase { | 17 class PluginChannelHost : public NPChannelBase { |
20 public: | 18 public: |
21 #if defined(OS_MACOSX) | 19 #if defined(OS_MACOSX) |
22 // TODO(shess): Debugging for http://crbug.com/97285 . See comment | 20 // TODO(shess): Debugging for http://crbug.com/97285 . See comment |
23 // in plugin_channel_host.cc. | 21 // in plugin_channel_host.cc. |
24 static bool* GetRemoveTrackingFlag(); | 22 static bool* GetRemoveTrackingFlag(); |
25 #endif | 23 #endif |
26 static PluginChannelHost* GetPluginChannelHost( | 24 static PluginChannelHost* GetPluginChannelHost( |
27 const IPC::ChannelHandle& channel_handle, | 25 const IPC::ChannelHandle& channel_handle, |
28 base::SingleThreadTaskRunner* ipc_task_runner); | 26 base::SingleThreadTaskRunner* ipc_task_runner); |
29 | 27 |
30 bool Init(base::SingleThreadTaskRunner* ipc_task_runner, | 28 bool Init(base::SingleThreadTaskRunner* ipc_task_runner, |
31 bool create_pipe_now, | 29 bool create_pipe_now, |
32 base::WaitableEvent* shutdown_event) override; | 30 base::WaitableEvent* shutdown_event) override; |
33 | 31 |
34 int GenerateRouteID() override; | 32 int GenerateRouteID() override; |
35 | 33 |
36 void AddRoute(int route_id, IPC::Listener* listener, | 34 void AddRoute(int route_id, IPC::Listener* listener); |
37 NPObjectBase* npobject); | |
38 void RemoveRoute(int route_id); | 35 void RemoveRoute(int route_id); |
39 | 36 |
40 // NPChannelBase override: | 37 // NPChannelBase override: |
41 bool Send(IPC::Message* msg) override; | 38 bool Send(IPC::Message* msg) override; |
42 | 39 |
43 // IPC::Listener override | 40 // IPC::Listener override |
44 void OnChannelError() override; | 41 void OnChannelError() override; |
45 | 42 |
46 static void Broadcast(IPC::Message* message) { | 43 static void Broadcast(IPC::Message* message) { |
47 NPChannelBase::Broadcast(message); | 44 NPChannelBase::Broadcast(message); |
48 } | 45 } |
49 | 46 |
50 bool expecting_shutdown() { return expecting_shutdown_; } | 47 bool expecting_shutdown() { return expecting_shutdown_; } |
51 | 48 |
52 private: | 49 private: |
53 // Called on the render thread | 50 // Called on the render thread |
54 PluginChannelHost(); | 51 PluginChannelHost(); |
55 ~PluginChannelHost() override; | 52 ~PluginChannelHost() override; |
56 | 53 |
57 static NPChannelBase* ClassFactory() { return new PluginChannelHost(); } | 54 static NPChannelBase* ClassFactory() { return new PluginChannelHost(); } |
58 | 55 |
59 bool OnControlMessageReceived(const IPC::Message& message) override; | 56 bool OnControlMessageReceived(const IPC::Message& message) override; |
60 void OnSetException(const std::string& message); | |
61 void OnPluginShuttingDown(); | 57 void OnPluginShuttingDown(); |
62 | 58 |
63 // Keep track of all the registered WebPluginDelegeProxies to | 59 // Keep track of all the registered WebPluginDelegeProxies to |
64 // inform about OnChannelError | 60 // inform about OnChannelError |
65 typedef base::hash_map<int, IPC::Listener*> ProxyMap; | 61 typedef base::hash_map<int, IPC::Listener*> ProxyMap; |
66 ProxyMap proxies_; | 62 ProxyMap proxies_; |
67 | 63 |
68 // True if we are expecting the plugin process to go away - in which case, | 64 // True if we are expecting the plugin process to go away - in which case, |
69 // don't treat it as a crash. | 65 // don't treat it as a crash. |
70 bool expecting_shutdown_; | 66 bool expecting_shutdown_; |
71 | 67 |
72 DISALLOW_COPY_AND_ASSIGN(PluginChannelHost); | 68 DISALLOW_COPY_AND_ASSIGN(PluginChannelHost); |
73 }; | 69 }; |
74 | 70 |
75 } // namespace content | 71 } // namespace content |
76 | 72 |
77 #endif // CONTENT_RENDERER_NPAPI_PLUGIN_CHANNEL_HOST_H_ | 73 #endif // CONTENT_RENDERER_NPAPI_PLUGIN_CHANNEL_HOST_H_ |
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