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// Copyright 2011 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 "cc/scoped_thread_proxy.h"
#include "base/bind.h"
namespace cc {
ScopedThreadProxy::ScopedThreadProxy(cc::Thread* targetThread)
: m_targetThread(targetThread)
, m_shutdown(false)
{
}
ScopedThreadProxy::~ScopedThreadProxy()
{
}
void ScopedThreadProxy::postTask(const tracked_objects::Location& location, base::Closure cb)
{
m_targetThread->postTask(base::Bind(&ScopedThreadProxy::runTaskIfNotShutdown, this, cb));
}
void ScopedThreadProxy::shutdown()
{
DCHECK(m_targetThread->belongsToCurrentThread());
DCHECK(!m_shutdown);
m_shutdown = true;
}
void ScopedThreadProxy::runTaskIfNotShutdown(base::Closure cb)
{
// If our shutdown flag is set, it's possible that m_targetThread has already been destroyed so don't
// touch it.
if (m_shutdown) {
return;
}
DCHECK(m_targetThread->belongsToCurrentThread());
cb.Run();
}
} // namespace cc
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