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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "mojo/edk/embedder/channel_init.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/message_loop/message_loop.h" | |
| 9 #include "mojo/edk/embedder/embedder.h" | |
| 10 | |
| 11 namespace mojo { | |
| 12 namespace embedder { | |
| 13 | |
| 14 ChannelInit::ChannelInit() : channel_info_(nullptr), weak_factory_(this) { | |
| 15 } | |
| 16 | |
| 17 ChannelInit::~ChannelInit() { | |
| 18 if (channel_info_) | |
| 19 DestroyChannel(channel_info_); | |
| 20 } | |
| 21 | |
| 22 ScopedMessagePipeHandle ChannelInit::Init( | |
| 23 base::PlatformFile file, | |
| 24 scoped_refptr<base::TaskRunner> io_thread_task_runner) { | |
| 25 DCHECK(!io_thread_task_runner_); // Should only init once. | |
| 26 io_thread_task_runner_ = io_thread_task_runner; | |
| 27 ScopedMessagePipeHandle message_pipe = | |
| 28 CreateChannel( | |
| 29 ScopedPlatformHandle(PlatformHandle(file)), io_thread_task_runner, | |
| 30 base::Bind(&ChannelInit::OnCreatedChannel, weak_factory_.GetWeakPtr(), | |
| 31 io_thread_task_runner), | |
| 32 base::MessageLoop::current()->message_loop_proxy()).Pass(); | |
| 33 return message_pipe.Pass(); | |
| 34 } | |
| 35 | |
| 36 void ChannelInit::WillDestroySoon() { | |
| 37 if (channel_info_) | |
| 38 WillDestroyChannelSoon(channel_info_); | |
| 39 } | |
| 40 | |
| 41 // static | |
| 42 void ChannelInit::OnCreatedChannel(base::WeakPtr<ChannelInit> self, | |
| 43 scoped_refptr<base::TaskRunner> io_thread, | |
| 44 ChannelInfo* channel) { | |
| 45 // If |self| was already destroyed, shut the channel down. | |
| 46 if (!self) { | |
| 47 DestroyChannel(channel); | |
| 48 return; | |
| 49 } | |
| 50 | |
| 51 self->channel_info_ = channel; | |
| 52 } | |
| 53 | |
| 54 } // namespace embedder | |
| 55 } // namespace mojo | |
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