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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 PPAPI_PROXY_PPB_MESSAGE_LOOP_PROXY_H_ | 5 #ifndef PPAPI_PROXY_PPB_MESSAGE_LOOP_PROXY_H_ |
6 #define PPAPI_PROXY_PPB_MESSAGE_LOOP_PROXY_H_ | 6 #define PPAPI_PROXY_PPB_MESSAGE_LOOP_PROXY_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
12 #include "base/message_loop/message_loop.h" | 12 #include "base/message_loop/message_loop.h" |
13 #include "ppapi/proxy/interface_proxy.h" | 13 #include "ppapi/proxy/interface_proxy.h" |
14 #include "ppapi/proxy/ppapi_proxy_export.h" | 14 #include "ppapi/proxy/ppapi_proxy_export.h" |
15 #include "ppapi/shared_impl/ppb_message_loop_shared.h" | 15 #include "ppapi/shared_impl/ppb_message_loop_shared.h" |
16 #include "ppapi/thunk/ppb_message_loop_api.h" | 16 #include "ppapi/thunk/ppb_message_loop_api.h" |
17 | 17 |
18 struct PPB_MessageLoop_1_0; | 18 struct PPB_MessageLoop_1_0; |
19 | 19 |
20 namespace ppapi { | 20 namespace ppapi { |
21 namespace proxy { | 21 namespace proxy { |
22 | 22 |
23 class PPAPI_PROXY_EXPORT MessageLoopResource : public MessageLoopShared { | 23 class PPAPI_PROXY_EXPORT MessageLoopResource : public MessageLoopShared { |
24 public: | 24 public: |
25 explicit MessageLoopResource(PP_Instance instance); | 25 explicit MessageLoopResource(PP_Instance instance); |
26 // Construct the one MessageLoopResource for the main thread. This must be | 26 // Construct the one MessageLoopResource for the main thread. This must be |
27 // invoked on the main thread. | 27 // invoked on the main thread. |
28 explicit MessageLoopResource(ForMainThread); | 28 explicit MessageLoopResource(ForMainThread); |
29 virtual ~MessageLoopResource(); | 29 ~MessageLoopResource() override; |
30 | 30 |
31 // Resource overrides. | 31 // Resource overrides. |
32 virtual thunk::PPB_MessageLoop_API* AsPPB_MessageLoop_API() override; | 32 thunk::PPB_MessageLoop_API* AsPPB_MessageLoop_API() override; |
33 | 33 |
34 // PPB_MessageLoop_API implementation. | 34 // PPB_MessageLoop_API implementation. |
35 virtual int32_t AttachToCurrentThread() override; | 35 int32_t AttachToCurrentThread() override; |
36 virtual int32_t Run() override; | 36 int32_t Run() override; |
37 virtual int32_t PostWork(PP_CompletionCallback callback, | 37 int32_t PostWork(PP_CompletionCallback callback, int64_t delay_ms) override; |
38 int64_t delay_ms) override; | 38 int32_t PostQuit(PP_Bool should_destroy) override; |
39 virtual int32_t PostQuit(PP_Bool should_destroy) override; | |
40 | 39 |
41 static MessageLoopResource* GetCurrent(); | 40 static MessageLoopResource* GetCurrent(); |
42 void DetachFromThread(); | 41 void DetachFromThread(); |
43 bool is_main_thread_loop() const { | 42 bool is_main_thread_loop() const { |
44 return is_main_thread_loop_; | 43 return is_main_thread_loop_; |
45 } | 44 } |
46 | 45 |
47 const scoped_refptr<base::MessageLoopProxy>& message_loop_proxy() { | 46 const scoped_refptr<base::MessageLoopProxy>& message_loop_proxy() { |
48 return loop_proxy_; | 47 return loop_proxy_; |
49 } | 48 } |
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62 // Returns true if the object is associated with the current thread. | 61 // Returns true if the object is associated with the current thread. |
63 bool IsCurrent() const; | 62 bool IsCurrent() const; |
64 | 63 |
65 // MessageLoopShared implementation. | 64 // MessageLoopShared implementation. |
66 // | 65 // |
67 // Handles posting to the message loop if there is one, or the pending queue | 66 // Handles posting to the message loop if there is one, or the pending queue |
68 // if there isn't. | 67 // if there isn't. |
69 // NOTE: The given closure will be run *WITHOUT* acquiring the Proxy lock. | 68 // NOTE: The given closure will be run *WITHOUT* acquiring the Proxy lock. |
70 // This only makes sense for user code and completely thread-safe | 69 // This only makes sense for user code and completely thread-safe |
71 // proxy operations (e.g., MessageLoop::QuitClosure). | 70 // proxy operations (e.g., MessageLoop::QuitClosure). |
72 virtual void PostClosure(const tracked_objects::Location& from_here, | 71 void PostClosure(const tracked_objects::Location& from_here, |
73 const base::Closure& closure, | 72 const base::Closure& closure, |
74 int64 delay_ms) override; | 73 int64 delay_ms) override; |
75 virtual base::MessageLoopProxy* GetMessageLoopProxy() override; | 74 base::MessageLoopProxy* GetMessageLoopProxy() override; |
76 virtual bool CurrentlyHandlingBlockingMessage() override; | 75 bool CurrentlyHandlingBlockingMessage() override; |
77 | 76 |
78 // TLS destructor function. | 77 // TLS destructor function. |
79 static void ReleaseMessageLoop(void* value); | 78 static void ReleaseMessageLoop(void* value); |
80 | 79 |
81 // Created when we attach to the current thread, since MessageLoop assumes | 80 // Created when we attach to the current thread, since MessageLoop assumes |
82 // that it's created on the thread it will run on. NULL for the main thread | 81 // that it's created on the thread it will run on. NULL for the main thread |
83 // loop, since that's owned by somebody else. This is needed for Run and Quit. | 82 // loop, since that's owned by somebody else. This is needed for Run and Quit. |
84 // Any time we post tasks, we should post them using loop_proxy_. | 83 // Any time we post tasks, we should post them using loop_proxy_. |
85 scoped_ptr<base::MessageLoop> loop_; | 84 scoped_ptr<base::MessageLoop> loop_; |
86 scoped_refptr<base::MessageLoopProxy> loop_proxy_; | 85 scoped_refptr<base::MessageLoopProxy> loop_proxy_; |
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116 static const PPB_MessageLoop_1_0* GetInterface(); | 115 static const PPB_MessageLoop_1_0* GetInterface(); |
117 | 116 |
118 private: | 117 private: |
119 DISALLOW_COPY_AND_ASSIGN(PPB_MessageLoop_Proxy); | 118 DISALLOW_COPY_AND_ASSIGN(PPB_MessageLoop_Proxy); |
120 }; | 119 }; |
121 | 120 |
122 } // namespace proxy | 121 } // namespace proxy |
123 } // namespace ppapi | 122 } // namespace ppapi |
124 | 123 |
125 #endif // PPAPI_PROXY_PPB_MESSAGE_LOOP_PROXY_H_ | 124 #endif // PPAPI_PROXY_PPB_MESSAGE_LOOP_PROXY_H_ |
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