OLD | NEW |
1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 CHROME_PLUGIN_PLUGIN_CHANNEL_BASE_H_ | 5 #ifndef CHROME_PLUGIN_PLUGIN_CHANNEL_BASE_H_ |
6 #define CHROME_PLUGIN_PLUGIN_CHANNEL_BASE_H_ | 6 #define CHROME_PLUGIN_PLUGIN_CHANNEL_BASE_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/hash_tables.h" | 12 #include "base/hash_tables.h" |
13 #include "base/message_loop.h" | 13 #include "base/message_loop.h" |
14 #include "base/ref_counted.h" | 14 #include "base/ref_counted.h" |
15 #include "base/scoped_ptr.h" | 15 #include "base/scoped_ptr.h" |
16 #include "chrome/common/message_router.h" | 16 #include "chrome/common/message_router.h" |
17 #include "chrome/plugin/npobject_base.h" | 17 #include "chrome/plugin/npobject_base.h" |
18 #include "gfx/native_widget_types.h" | 18 #include "gfx/native_widget_types.h" |
| 19 #include "ipc/ipc_channel_handle.h" |
19 #include "ipc/ipc_sync_channel.h" | 20 #include "ipc/ipc_sync_channel.h" |
20 | 21 |
21 // Encapsulates an IPC channel between a renderer and a plugin process. | 22 // Encapsulates an IPC channel between a renderer and a plugin process. |
22 class PluginChannelBase : public IPC::Channel::Listener, | 23 class PluginChannelBase : public IPC::Channel::Listener, |
23 public IPC::Message::Sender, | 24 public IPC::Message::Sender, |
24 public base::RefCountedThreadSafe<PluginChannelBase> { | 25 public base::RefCountedThreadSafe<PluginChannelBase> { |
25 public: | 26 public: |
26 | 27 |
27 // WebPlugin[Delegate] call these on construction and destruction to setup | 28 // WebPlugin[Delegate] call these on construction and destruction to setup |
28 // the routing and manage lifetime of this object. This is also called by | 29 // the routing and manage lifetime of this object. This is also called by |
29 // NPObjectProxy and NPObjectStub. However the latter don't control the | 30 // NPObjectProxy and NPObjectStub. However the latter don't control the |
30 // lifetime of this object (by passing true for npobject) because we don't | 31 // lifetime of this object (by passing true for npobject) because we don't |
31 // want a leak of an NPObject in a plugin to keep the channel around longer | 32 // want a leak of an NPObject in a plugin to keep the channel around longer |
32 // than necessary. | 33 // than necessary. |
33 void AddRoute(int route_id, IPC::Channel::Listener* listener, | 34 void AddRoute(int route_id, IPC::Channel::Listener* listener, |
34 NPObjectBase* npobject); | 35 NPObjectBase* npobject); |
35 void RemoveRoute(int route_id); | 36 void RemoveRoute(int route_id); |
36 | 37 |
37 // IPC::Message::Sender implementation: | 38 // IPC::Message::Sender implementation: |
38 virtual bool Send(IPC::Message* msg); | 39 virtual bool Send(IPC::Message* msg); |
39 | 40 |
40 int peer_pid() { return peer_pid_; } | 41 int peer_pid() { return peer_pid_; } |
41 std::string channel_name() const { return channel_name_; } | 42 IPC::ChannelHandle channel_handle() const { return channel_handle_; } |
42 | 43 |
43 // Returns the number of open plugin channels in this process. | 44 // Returns the number of open plugin channels in this process. |
44 static int Count(); | 45 static int Count(); |
45 | 46 |
46 // Returns a new route id. | 47 // Returns a new route id. |
47 virtual int GenerateRouteID() = 0; | 48 virtual int GenerateRouteID() = 0; |
48 | 49 |
49 // Returns whether the channel is valid or not. A channel is invalid | 50 // Returns whether the channel is valid or not. A channel is invalid |
50 // if it is disconnected due to a channel error. | 51 // if it is disconnected due to a channel error. |
51 bool channel_valid() { | 52 bool channel_valid() { |
(...skipping 16 matching lines...) Expand all Loading... |
68 friend class base::RefCountedThreadSafe<PluginChannelBase>; | 69 friend class base::RefCountedThreadSafe<PluginChannelBase>; |
69 | 70 |
70 virtual ~PluginChannelBase(); | 71 virtual ~PluginChannelBase(); |
71 | 72 |
72 // Returns a PluginChannelBase derived object for the given channel name. | 73 // Returns a PluginChannelBase derived object for the given channel name. |
73 // If an existing channel exists returns that object, otherwise creates a | 74 // If an existing channel exists returns that object, otherwise creates a |
74 // new one. Even though on creation the object is refcounted, each caller | 75 // new one. Even though on creation the object is refcounted, each caller |
75 // must still ref count the returned value. When there are no more routes | 76 // must still ref count the returned value. When there are no more routes |
76 // on the channel and its ref count is 0, the object deletes itself. | 77 // on the channel and its ref count is 0, the object deletes itself. |
77 static PluginChannelBase* GetChannel( | 78 static PluginChannelBase* GetChannel( |
78 const std::string& channel_key, IPC::Channel::Mode mode, | 79 const IPC::ChannelHandle& channel_handle, IPC::Channel::Mode mode, |
79 PluginChannelFactory factory, MessageLoop* ipc_message_loop, | 80 PluginChannelFactory factory, MessageLoop* ipc_message_loop, |
80 bool create_pipe_now); | 81 bool create_pipe_now); |
81 | 82 |
82 // Sends a message to all instances. | 83 // Sends a message to all instances. |
83 static void Broadcast(IPC::Message* message); | 84 static void Broadcast(IPC::Message* message); |
84 | 85 |
85 // Called on the worker thread | 86 // Called on the worker thread |
86 PluginChannelBase(); | 87 PluginChannelBase(); |
87 | 88 |
88 virtual void CleanUp() { } | 89 virtual void CleanUp() { } |
89 | 90 |
90 // Implemented by derived classes to handle control messages | 91 // Implemented by derived classes to handle control messages |
91 virtual void OnControlMessageReceived(const IPC::Message& msg); | 92 virtual void OnControlMessageReceived(const IPC::Message& msg); |
92 | 93 |
93 // IPC::Channel::Listener implementation: | 94 // IPC::Channel::Listener implementation: |
94 virtual void OnMessageReceived(const IPC::Message& msg); | 95 virtual void OnMessageReceived(const IPC::Message& msg); |
95 virtual void OnChannelConnected(int32 peer_pid); | 96 virtual void OnChannelConnected(int32 peer_pid); |
96 virtual void OnChannelError(); | 97 virtual void OnChannelError(); |
97 | 98 |
98 void set_send_unblocking_only_during_unblock_dispatch() { | 99 void set_send_unblocking_only_during_unblock_dispatch() { |
99 send_unblocking_only_during_unblock_dispatch_ = true; | 100 send_unblocking_only_during_unblock_dispatch_ = true; |
100 } | 101 } |
101 | 102 |
102 virtual bool Init(MessageLoop* ipc_message_loop, bool create_pipe_now); | 103 virtual bool Init(MessageLoop* ipc_message_loop, bool create_pipe_now); |
103 | 104 |
104 scoped_ptr<IPC::SyncChannel> channel_; | 105 scoped_ptr<IPC::SyncChannel> channel_; |
105 | 106 |
106 private: | 107 private: |
107 IPC::Channel::Mode mode_; | 108 IPC::Channel::Mode mode_; |
108 std::string channel_name_; | 109 IPC::ChannelHandle channel_handle_; |
109 int plugin_count_; | 110 int plugin_count_; |
110 int peer_pid_; | 111 int peer_pid_; |
111 | 112 |
112 // true when in the middle of a RemoveRoute call | 113 // true when in the middle of a RemoveRoute call |
113 bool in_remove_route_; | 114 bool in_remove_route_; |
114 | 115 |
115 // Keep track of all the registered NPObjects proxies/stubs so that when the | 116 // Keep track of all the registered NPObjects proxies/stubs so that when the |
116 // channel is closed we can inform them. | 117 // channel is closed we can inform them. |
117 typedef base::hash_map<int, NPObjectBase*> ListenerMap; | 118 typedef base::hash_map<int, NPObjectBase*> ListenerMap; |
118 ListenerMap npobject_listeners_; | 119 ListenerMap npobject_listeners_; |
(...skipping 20 matching lines...) Expand all Loading... |
139 // renderer. We additionally have to do this for async messages from the | 140 // renderer. We additionally have to do this for async messages from the |
140 // renderer that have the unblock flag set, since they could be followed by a | 141 // renderer that have the unblock flag set, since they could be followed by a |
141 // sync message that won't get dispatched until the call to the renderer is | 142 // sync message that won't get dispatched until the call to the renderer is |
142 // complete. | 143 // complete. |
143 bool send_unblocking_only_during_unblock_dispatch_; | 144 bool send_unblocking_only_during_unblock_dispatch_; |
144 | 145 |
145 DISALLOW_COPY_AND_ASSIGN(PluginChannelBase); | 146 DISALLOW_COPY_AND_ASSIGN(PluginChannelBase); |
146 }; | 147 }; |
147 | 148 |
148 #endif // CHROME_PLUGIN_PLUGIN_CHANNEL_BASE_H_ | 149 #endif // CHROME_PLUGIN_PLUGIN_CHANNEL_BASE_H_ |
OLD | NEW |