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1 // Copyright (c) 2010 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 CHROME_PLUGIN_PLUGIN_CHANNEL_H_ | |
6 #define CHROME_PLUGIN_PLUGIN_CHANNEL_H_ | |
7 #pragma once | |
8 | |
9 #include <vector> | |
10 #include "base/ref_counted.h" | |
11 #include "base/scoped_handle.h" | |
12 #include "build/build_config.h" | |
13 #include "chrome/plugin/plugin_channel_base.h" | |
14 #include "chrome/plugin/webplugin_delegate_stub.h" | |
15 | |
16 namespace base { | |
17 class WaitableEvent; | |
18 } | |
19 | |
20 // Encapsulates an IPC channel between the plugin process and one renderer | |
21 // process. On the renderer side there's a corresponding PluginChannelHost. | |
22 class PluginChannel : public PluginChannelBase { | |
23 public: | |
24 // Get a new PluginChannel object for the current process to talk to the | |
25 // given renderer process. The renderer ID is an opaque unique ID generated | |
26 // by the browser. | |
27 static PluginChannel* GetPluginChannel(int renderer_id, | |
28 MessageLoop* ipc_message_loop); | |
29 | |
30 // Send a message to all renderers that the process is going to shutdown. | |
31 static void NotifyRenderersOfPendingShutdown(); | |
32 | |
33 virtual ~PluginChannel(); | |
34 | |
35 virtual bool Send(IPC::Message* msg); | |
36 virtual bool OnMessageReceived(const IPC::Message& message); | |
37 | |
38 base::ProcessHandle renderer_handle() const { return renderer_handle_; } | |
39 int renderer_id() { return renderer_id_; } | |
40 | |
41 virtual int GenerateRouteID(); | |
42 | |
43 // Returns the event that's set when a call to the renderer causes a modal | |
44 // dialog to come up. | |
45 base::WaitableEvent* GetModalDialogEvent(gfx::NativeViewId containing_window); | |
46 | |
47 bool in_send() { return in_send_ != 0; } | |
48 | |
49 bool incognito() { return incognito_; } | |
50 void set_incognito(bool value) { incognito_ = value; } | |
51 | |
52 #if defined(OS_POSIX) | |
53 int renderer_fd() const { return channel_->GetClientFileDescriptor(); } | |
54 #endif | |
55 | |
56 protected: | |
57 // IPC::Channel::Listener implementation: | |
58 virtual void OnChannelConnected(int32 peer_pid); | |
59 virtual void OnChannelError(); | |
60 | |
61 virtual void CleanUp(); | |
62 | |
63 // Overrides PluginChannelBase::Init. | |
64 virtual bool Init(MessageLoop* ipc_message_loop, bool create_pipe_now); | |
65 | |
66 private: | |
67 class MessageFilter; | |
68 | |
69 // Called on the plugin thread | |
70 PluginChannel(); | |
71 | |
72 virtual bool OnControlMessageReceived(const IPC::Message& msg); | |
73 | |
74 static PluginChannelBase* ClassFactory() { return new PluginChannel(); } | |
75 | |
76 void OnCreateInstance(const std::string& mime_type, int* instance_id); | |
77 void OnDestroyInstance(int instance_id, IPC::Message* reply_msg); | |
78 void OnGenerateRouteID(int* route_id); | |
79 void OnClearSiteData(const std::string& site, | |
80 uint64 flags, | |
81 base::Time begin_time); | |
82 | |
83 std::vector<scoped_refptr<WebPluginDelegateStub> > plugin_stubs_; | |
84 | |
85 // Handle to the renderer process who is on the other side of the channel. | |
86 base::ProcessHandle renderer_handle_; | |
87 | |
88 // The id of the renderer who is on the other side of the channel. | |
89 int renderer_id_; | |
90 | |
91 int in_send_; // Tracks if we're in a Send call. | |
92 bool log_messages_; // True if we should log sent and received messages. | |
93 bool incognito_; // True if the renderer is in incognito mode. | |
94 scoped_refptr<MessageFilter> filter_; // Handles the modal dialog events. | |
95 | |
96 DISALLOW_COPY_AND_ASSIGN(PluginChannel); | |
97 }; | |
98 | |
99 #endif // CHROME_PLUGIN_PLUGIN_CHANNEL_H_ | |
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