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// 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/edk/embedder/channel_init.h"
#include "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "mojo/edk/embedder/embedder.h"
namespace mojo {
namespace embedder {
ChannelInit::ChannelInit() : channel_info_(nullptr), weak_factory_(this) {
}
ChannelInit::~ChannelInit() {
if (channel_info_)
DestroyChannel(channel_info_);
}
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;
ScopedMessagePipeHandle message_pipe =
CreateChannel(
ScopedPlatformHandle(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();
}
void ChannelInit::WillDestroySoon() {
if (channel_info_)
WillDestroyChannelSoon(channel_info_);
}
// static
void ChannelInit::OnCreatedChannel(base::WeakPtr<ChannelInit> self,
scoped_refptr<base::TaskRunner> io_thread,
ChannelInfo* channel) {
// If |self| was already destroyed, shut the channel down.
if (!self) {
DestroyChannel(channel);
return;
}
self->channel_info_ = channel;
}
} // namespace embedder
} // namespace mojo
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