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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_COMMON_CHILD_THREAD_H_ | 5 #ifndef CONTENT_COMMON_CHILD_THREAD_H_ |
6 #define CONTENT_COMMON_CHILD_THREAD_H_ | 6 #define CONTENT_COMMON_CHILD_THREAD_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
11 #include "base/shared_memory.h" | 11 #include "base/shared_memory.h" |
12 #include "base/tracked_objects.h" | 12 #include "base/tracked_objects.h" |
13 #include "content/common/content_export.h" | 13 #include "content/common/content_export.h" |
14 #include "content/common/message_router.h" | 14 #include "content/common/message_router.h" |
15 #include "ipc/ipc_message.h" // For IPC_MESSAGE_LOG_ENABLED. | 15 #include "ipc/ipc_message.h" // For IPC_MESSAGE_LOG_ENABLED. |
16 #include "webkit/glue/resource_loader_bridge.h" | 16 #include "webkit/glue/resource_loader_bridge.h" |
17 | 17 |
18 class FileSystemDispatcher; | |
19 class MessageLoop; | 18 class MessageLoop; |
20 class QuotaDispatcher; | |
21 class SocketStreamDispatcher; | |
22 | |
23 namespace content { | |
24 class ChildHistogramMessageFilter; | |
25 class ResourceDispatcher; | |
26 } | |
27 | 19 |
28 namespace IPC { | 20 namespace IPC { |
29 class SyncChannel; | 21 class SyncChannel; |
30 class SyncMessageFilter; | 22 class SyncMessageFilter; |
31 } | 23 } |
32 | 24 |
33 namespace WebKit { | 25 namespace WebKit { |
34 class WebFrame; | 26 class WebFrame; |
35 } | 27 } |
36 | 28 |
| 29 namespace content { |
| 30 class ChildHistogramMessageFilter; |
| 31 class FileSystemDispatcher; |
| 32 class QuotaDispatcher; |
| 33 class ResourceDispatcher; |
| 34 class SocketStreamDispatcher; |
| 35 |
37 // The main thread of a child process derives from this class. | 36 // The main thread of a child process derives from this class. |
38 class CONTENT_EXPORT ChildThread : public IPC::Listener, public IPC::Sender { | 37 class CONTENT_EXPORT ChildThread : public IPC::Listener, public IPC::Sender { |
39 public: | 38 public: |
40 // Creates the thread. | 39 // Creates the thread. |
41 ChildThread(); | 40 ChildThread(); |
42 // Used for single-process mode. | 41 // Used for single-process mode. |
43 explicit ChildThread(const std::string& channel_name); | 42 explicit ChildThread(const std::string& channel_name); |
44 virtual ~ChildThread(); | 43 virtual ~ChildThread(); |
45 | 44 |
46 // IPC::Sender implementation: | 45 // IPC::Sender implementation: |
(...skipping 11 matching lines...) Expand all Loading... |
58 // Tests can override this method if they want a custom loading behavior. | 57 // Tests can override this method if they want a custom loading behavior. |
59 virtual webkit_glue::ResourceLoaderBridge* CreateBridge( | 58 virtual webkit_glue::ResourceLoaderBridge* CreateBridge( |
60 const webkit_glue::ResourceLoaderBridge::RequestInfo& request_info); | 59 const webkit_glue::ResourceLoaderBridge::RequestInfo& request_info); |
61 | 60 |
62 // Allocates a block of shared memory of the given size and | 61 // Allocates a block of shared memory of the given size and |
63 // maps in into the address space. Returns NULL of failure. | 62 // maps in into the address space. Returns NULL of failure. |
64 // Note: On posix, this requires a sync IPC to the browser process, | 63 // Note: On posix, this requires a sync IPC to the browser process, |
65 // but on windows the child process directly allocates the block. | 64 // but on windows the child process directly allocates the block. |
66 base::SharedMemory* AllocateSharedMemory(size_t buf_size); | 65 base::SharedMemory* AllocateSharedMemory(size_t buf_size); |
67 | 66 |
68 content::ResourceDispatcher* resource_dispatcher(); | 67 ResourceDispatcher* resource_dispatcher(); |
69 | 68 |
70 SocketStreamDispatcher* socket_stream_dispatcher() { | 69 SocketStreamDispatcher* socket_stream_dispatcher() { |
71 return socket_stream_dispatcher_.get(); | 70 return socket_stream_dispatcher_.get(); |
72 } | 71 } |
73 | 72 |
74 FileSystemDispatcher* file_system_dispatcher() const { | 73 FileSystemDispatcher* file_system_dispatcher() const { |
75 return file_system_dispatcher_.get(); | 74 return file_system_dispatcher_.get(); |
76 } | 75 } |
77 | 76 |
78 QuotaDispatcher* quota_dispatcher() const { | 77 QuotaDispatcher* quota_dispatcher() const { |
79 return quota_dispatcher_.get(); | 78 return quota_dispatcher_.get(); |
80 } | 79 } |
81 | 80 |
82 // Safe to call on any thread, as long as it's guaranteed that the thread's | 81 // Safe to call on any thread, as long as it's guaranteed that the thread's |
83 // lifetime is less than the main thread. | 82 // lifetime is less than the main thread. |
84 IPC::SyncMessageFilter* sync_message_filter(); | 83 IPC::SyncMessageFilter* sync_message_filter(); |
85 | 84 |
86 content::ChildHistogramMessageFilter* child_histogram_message_filter() const { | 85 ChildHistogramMessageFilter* child_histogram_message_filter() const { |
87 return histogram_message_filter_.get(); | 86 return histogram_message_filter_.get(); |
88 } | 87 } |
89 | 88 |
90 MessageLoop* message_loop(); | 89 MessageLoop* message_loop(); |
91 | 90 |
92 // Returns the one child thread. | 91 // Returns the one child thread. |
93 static ChildThread* current(); | 92 static ChildThread* current(); |
94 | 93 |
95 virtual bool IsWebFrameValid(WebKit::WebFrame* frame); | 94 virtual bool IsWebFrameValid(WebKit::WebFrame* frame); |
96 | 95 |
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131 std::string channel_name_; | 130 std::string channel_name_; |
132 scoped_ptr<IPC::SyncChannel> channel_; | 131 scoped_ptr<IPC::SyncChannel> channel_; |
133 | 132 |
134 // Allows threads other than the main thread to send sync messages. | 133 // Allows threads other than the main thread to send sync messages. |
135 scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_; | 134 scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_; |
136 | 135 |
137 // Implements message routing functionality to the consumers of ChildThread. | 136 // Implements message routing functionality to the consumers of ChildThread. |
138 MessageRouter router_; | 137 MessageRouter router_; |
139 | 138 |
140 // Handles resource loads for this process. | 139 // Handles resource loads for this process. |
141 scoped_ptr<content::ResourceDispatcher> resource_dispatcher_; | 140 scoped_ptr<ResourceDispatcher> resource_dispatcher_; |
142 | 141 |
143 // Handles SocketStream for this process. | 142 // Handles SocketStream for this process. |
144 scoped_ptr<SocketStreamDispatcher> socket_stream_dispatcher_; | 143 scoped_ptr<SocketStreamDispatcher> socket_stream_dispatcher_; |
145 | 144 |
146 // The OnChannelError() callback was invoked - the channel is dead, don't | 145 // The OnChannelError() callback was invoked - the channel is dead, don't |
147 // attempt to communicate. | 146 // attempt to communicate. |
148 bool on_channel_error_called_; | 147 bool on_channel_error_called_; |
149 | 148 |
150 MessageLoop* message_loop_; | 149 MessageLoop* message_loop_; |
151 | 150 |
152 scoped_ptr<FileSystemDispatcher> file_system_dispatcher_; | 151 scoped_ptr<FileSystemDispatcher> file_system_dispatcher_; |
153 | 152 |
154 scoped_ptr<QuotaDispatcher> quota_dispatcher_; | 153 scoped_ptr<QuotaDispatcher> quota_dispatcher_; |
155 | 154 |
156 scoped_refptr<content::ChildHistogramMessageFilter> histogram_message_filter_; | 155 scoped_refptr<ChildHistogramMessageFilter> histogram_message_filter_; |
157 | 156 |
158 base::WeakPtrFactory<ChildThread> channel_connected_factory_; | 157 base::WeakPtrFactory<ChildThread> channel_connected_factory_; |
159 | 158 |
160 DISALLOW_COPY_AND_ASSIGN(ChildThread); | 159 DISALLOW_COPY_AND_ASSIGN(ChildThread); |
161 }; | 160 }; |
162 | 161 |
| 162 } // namespace content |
| 163 |
163 #endif // CONTENT_COMMON_CHILD_THREAD_H_ | 164 #endif // CONTENT_COMMON_CHILD_THREAD_H_ |
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