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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/shell/keep_alive.h"
#include "mojo/shell/context.h"
namespace mojo {
namespace shell {
KeepAlive::KeepAlive(Context* context) : context_(context) {
DCHECK(context_->task_runners()->ui_runner()->RunsTasksOnCurrentThread());
++context_->keep_alive_counter()->count_;
}
KeepAlive::~KeepAlive() {
DCHECK(context_->task_runners()->ui_runner()->RunsTasksOnCurrentThread());
if (--context_->keep_alive_counter()->count_ == 0) {
base::MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&KeepAlive::MaybeQuit, context_));
}
}
// static
void KeepAlive::MaybeQuit(Context* context) {
if (context->keep_alive_counter()->count_ == 0)
base::MessageLoop::current()->Quit();
}
} // namespace shell
} // namespace mojo
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