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-rw-r--r--chromium/mojo/embedder/channel_init.cc59
1 files changed, 59 insertions, 0 deletions
diff --git a/chromium/mojo/embedder/channel_init.cc b/chromium/mojo/embedder/channel_init.cc
new file mode 100644
index 00000000000..136a5389817
--- /dev/null
+++ b/chromium/mojo/embedder/channel_init.cc
@@ -0,0 +1,59 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "mojo/embedder/channel_init.h"
+
+#include "base/bind.h"
+#include "base/message_loop/message_loop.h"
+#include "mojo/embedder/embedder.h"
+
+namespace mojo {
+namespace embedder {
+
+ChannelInit::ChannelInit()
+ : channel_info_(NULL),
+ weak_factory_(this) {
+}
+
+ChannelInit::~ChannelInit() {
+ if (channel_info_) {
+ io_thread_task_runner_->PostTask(
+ FROM_HERE,
+ base::Bind(&mojo::embedder::DestroyChannelOnIOThread, channel_info_));
+ }
+}
+
+mojo::ScopedMessagePipeHandle ChannelInit::Init(
+ base::PlatformFile file,
+ scoped_refptr<base::TaskRunner> io_thread_task_runner) {
+ DCHECK(!io_thread_task_runner_.get()); // Should only init once.
+ io_thread_task_runner_ = io_thread_task_runner;
+ mojo::ScopedMessagePipeHandle message_pipe = mojo::embedder::CreateChannel(
+ mojo::embedder::ScopedPlatformHandle(
+ mojo::embedder::PlatformHandle(file)),
+ io_thread_task_runner,
+ base::Bind(&ChannelInit::OnCreatedChannel, weak_factory_.GetWeakPtr(),
+ io_thread_task_runner),
+ base::MessageLoop::current()->message_loop_proxy()).Pass();
+ return message_pipe.Pass();
+}
+
+// static
+void ChannelInit::OnCreatedChannel(
+ base::WeakPtr<ChannelInit> host,
+ scoped_refptr<base::TaskRunner> io_thread,
+ embedder::ChannelInfo* channel) {
+ // By the time we get here |host| may have been destroyed. If so, shutdown the
+ // channel.
+ if (!host.get()) {
+ io_thread->PostTask(
+ FROM_HERE,
+ base::Bind(&mojo::embedder::DestroyChannelOnIOThread, channel));
+ return;
+ }
+ host->channel_info_ = channel;
+}
+
+} // namespace embedder
+} // namespace mojo