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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/rate_limiter.h"
#include "base/debug/trace_event.h"
#include "cc/thread.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
namespace cc {
scoped_refptr<RateLimiter> RateLimiter::create(WebKit::WebGraphicsContext3D* context, RateLimiterClient *client, Thread* thread)
{
return make_scoped_refptr(new RateLimiter(context, client, thread));
}
RateLimiter::RateLimiter(WebKit::WebGraphicsContext3D* context, RateLimiterClient *client, Thread* thread)
: m_thread(thread)
, m_context(context)
, m_active(false)
, m_client(client)
{
DCHECK(context);
}
RateLimiter::~RateLimiter()
{
}
void RateLimiter::start()
{
if (m_active)
return;
TRACE_EVENT0("cc", "RateLimiter::start");
m_active = true;
m_thread->postTask(base::Bind(&RateLimiter::rateLimitContext, this));
}
void RateLimiter::stop()
{
TRACE_EVENT0("cc", "RateLimiter::stop");
m_client = 0;
}
void RateLimiter::rateLimitContext()
{
if (!m_client)
return;
TRACE_EVENT0("cc", "RateLimiter::rateLimitContext");
m_active = false;
m_client->rateLimit();
m_context->rateLimitOffscreenContextCHROMIUM();
}
} // namespace cc
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