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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 MOJO_EDK_EMBEDDER_CHANNEL_INIT_H_ | 5 #ifndef MOJO_EDK_EMBEDDER_CHANNEL_INIT_H_ |
6 #define MOJO_EDK_EMBEDDER_CHANNEL_INIT_H_ | 6 #define MOJO_EDK_EMBEDDER_CHANNEL_INIT_H_ |
7 | 7 |
8 #include "base/files/file.h" | 8 #include "base/files/file.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
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21 namespace embedder { | 21 namespace embedder { |
22 | 22 |
23 // |ChannelInit| handles creation (and destruction) of the Mojo channel. It is | 23 // |ChannelInit| handles creation (and destruction) of the Mojo channel. It is |
24 // not thread-safe, but may be used on any single thread (with a |MessageLoop|). | 24 // not thread-safe, but may be used on any single thread (with a |MessageLoop|). |
25 class MOJO_SYSTEM_IMPL_EXPORT ChannelInit { | 25 class MOJO_SYSTEM_IMPL_EXPORT ChannelInit { |
26 public: | 26 public: |
27 ChannelInit(); | 27 ChannelInit(); |
28 ~ChannelInit(); | 28 ~ChannelInit(); |
29 | 29 |
30 // Initializes the channel. This takes ownership of |file|. Returns the | 30 // Initializes the channel. This takes ownership of |file|. Returns the |
31 // primordial |MessagePipe| for the channel. | 31 // primordial MessagePipe for the channel. |
32 mojo::ScopedMessagePipeHandle Init( | 32 mojo::ScopedMessagePipeHandle Init( |
33 base::PlatformFile file, | 33 base::PlatformFile file, |
34 scoped_refptr<base::TaskRunner> io_thread_task_runner); | 34 scoped_refptr<base::TaskRunner> io_thread_task_runner); |
35 | 35 |
36 // Notifies the channel that we (hence it) will soon be destroyed. | 36 // Notifies the channel that we (hence it) will soon be destroyed. |
37 void WillDestroySoon(); | 37 void WillDestroySoon(); |
38 | 38 |
39 private: | 39 private: |
40 // Invoked on the thread on which this object lives once the channel has been | 40 // Invoked on the thread on which this object lives once the channel has been |
41 // established. (This is a static method that takes a weak pointer to self, | 41 // established. (This is a static method that takes a weak pointer to self, |
42 // since we want to destroy the channel even if we're destroyed.) | 42 // since we want to destroy the channel even if we're destroyed.) |
43 static void OnCreatedChannel(base::WeakPtr<ChannelInit> self, | 43 static void OnCreatedChannel(base::WeakPtr<ChannelInit> self, |
| 44 scoped_refptr<base::TaskRunner> io_thread, |
44 ChannelInfo* channel); | 45 ChannelInfo* channel); |
45 | 46 |
| 47 scoped_refptr<base::TaskRunner> io_thread_task_runner_; |
| 48 |
46 // If non-null the channel has been established. | 49 // If non-null the channel has been established. |
47 ChannelInfo* channel_info_; | 50 ChannelInfo* channel_info_; |
48 | 51 |
49 base::WeakPtrFactory<ChannelInit> weak_factory_; | 52 base::WeakPtrFactory<ChannelInit> weak_factory_; |
50 | 53 |
51 DISALLOW_COPY_AND_ASSIGN(ChannelInit); | 54 DISALLOW_COPY_AND_ASSIGN(ChannelInit); |
52 }; | 55 }; |
53 | 56 |
54 } // namespace embedder | 57 } // namespace embedder |
55 } // namespace mojo | 58 } // namespace mojo |
56 | 59 |
57 #endif // MOJO_EDK_EMBEDDER_CHANNEL_INIT_H_ | 60 #endif // MOJO_EDK_EMBEDDER_CHANNEL_INIT_H_ |
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