1 files changed, 59 insertions, 0 deletions
diff --git a/mojo/common/mojo_channel_init.cc b/mojo/common/mojo_channel_init.cc
new file mode 100644
index 0000000..96190f9
--- /dev/null
+++ b/mojo/common/mojo_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/common/mojo_channel_init.h"
+
+#include "base/bind.h"
+#include "base/message_loop/message_loop.h"
+#include "mojo/embedder/embedder.h"
+
+namespace mojo {
+namespace common {
+
+MojoChannelInit::MojoChannelInit()
+    : channel_info_(NULL),
+      weak_factory_(this) {
+}
+
+MojoChannelInit::~MojoChannelInit() {
+  bootstrap_message_pipe_.reset();
+  if (channel_info_) {
+    io_thread_task_runner_->PostTask(
+        FROM_HERE,
+        base::Bind(&mojo::embedder::DestroyChannelOnIOThread, channel_info_));
+  }
+}
+
+void MojoChannelInit::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;
+  bootstrap_message_pipe_ = mojo::embedder::CreateChannel(
+      mojo::embedder::ScopedPlatformHandle(
+          mojo::embedder::PlatformHandle(file)),
+      io_thread_task_runner,
+      base::Bind(&MojoChannelInit::OnCreatedChannel, weak_factory_.GetWeakPtr(),
+                 io_thread_task_runner),
+      base::MessageLoop::current()->message_loop_proxy()).Pass();
+}
+
+// static
+void MojoChannelInit::OnCreatedChannel(
+    base::WeakPtr<MojoChannelInit> 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 common
+}  // namespace mojo