Fix build break
[chromium-blink-merge.git] / content / plugin / plugin_channel.h
blobc717bd6863e0d891d34bc28fcb7b1f8ebcfe5233
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.
5 #ifndef CONTENT_PLUGIN_PLUGIN_CHANNEL_H_
6 #define CONTENT_PLUGIN_PLUGIN_CHANNEL_H_
8 #include <vector>
9 #include "base/memory/ref_counted.h"
10 #include "base/memory/scoped_handle.h"
11 #include "base/process.h"
12 #include "build/build_config.h"
13 #include "content/common/np_channel_base.h"
14 #include "content/plugin/webplugin_delegate_stub.h"
16 namespace base {
17 class WaitableEvent;
20 namespace content {
22 // Encapsulates an IPC channel between the plugin process and one renderer
23 // process. On the renderer side there's a corresponding PluginChannelHost.
24 class PluginChannel : public NPChannelBase {
25 public:
26 // Get a new PluginChannel object for the current process to talk to the
27 // given renderer process. The renderer ID is an opaque unique ID generated
28 // by the browser.
29 static PluginChannel* GetPluginChannel(
30 int renderer_id, base::MessageLoopProxy* ipc_message_loop);
32 // Send a message to all renderers that the process is going to shutdown.
33 static void NotifyRenderersOfPendingShutdown();
35 // IPC::Listener:
36 virtual bool Send(IPC::Message* msg) OVERRIDE;
37 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
38 virtual void OnChannelError() OVERRIDE;
40 int renderer_id() { return renderer_id_; }
42 virtual int GenerateRouteID() OVERRIDE;
44 // Returns the event that's set when a call to the renderer causes a modal
45 // dialog to come up.
46 virtual base::WaitableEvent* GetModalDialogEvent(int render_view_id) OVERRIDE;
48 bool in_send() { return in_send_ != 0; }
50 bool incognito() { return incognito_; }
51 void set_incognito(bool value) { incognito_ = value; }
53 #if defined(OS_POSIX)
54 int TakeRendererFileDescriptor() {
55 return channel_->TakeClientFileDescriptor();
57 #endif
59 protected:
60 virtual ~PluginChannel();
62 // NPChannelBase::
63 virtual void CleanUp() OVERRIDE;
64 virtual bool Init(base::MessageLoopProxy* ipc_message_loop,
65 bool create_pipe_now,
66 base::WaitableEvent* shutdown_event) OVERRIDE;
68 private:
69 class MessageFilter;
71 // Called on the plugin thread
72 PluginChannel();
74 virtual bool OnControlMessageReceived(const IPC::Message& msg) OVERRIDE;
76 static NPChannelBase* ClassFactory() { return new PluginChannel(); }
78 void OnCreateInstance(const std::string& mime_type, int* instance_id);
79 void OnDestroyInstance(int instance_id, IPC::Message* reply_msg);
80 void OnGenerateRouteID(int* route_id);
81 void OnClearSiteData(const std::string& site,
82 uint64 flags,
83 uint64 max_age);
85 std::vector<scoped_refptr<WebPluginDelegateStub> > plugin_stubs_;
87 // The id of the renderer who is on the other side of the channel.
88 int renderer_id_;
90 int in_send_; // Tracks if we're in a Send call.
91 bool log_messages_; // True if we should log sent and received messages.
92 bool incognito_; // True if the renderer is in incognito mode.
93 scoped_refptr<MessageFilter> filter_; // Handles the modal dialog events.
95 DISALLOW_COPY_AND_ASSIGN(PluginChannel);
98 } // namespace content
100 #endif // CONTENT_PLUGIN_PLUGIN_CHANNEL_H_