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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 "cc/test/fake_external_begin_frame_source.h"
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "base/time/time.h"
#include "cc/test/begin_frame_args_test.h"
namespace cc {
FakeExternalBeginFrameSource::FakeExternalBeginFrameSource(double refresh_rate)
: milliseconds_per_frame_(1000.0 / refresh_rate),
weak_ptr_factory_(this) {
DetachFromThread();
}
FakeExternalBeginFrameSource::~FakeExternalBeginFrameSource() {
DCHECK(CalledOnValidThread());
}
void FakeExternalBeginFrameSource::OnNeedsBeginFramesChanged(
bool needs_begin_frames) {
DCHECK(CalledOnValidThread());
if (needs_begin_frames) {
PostTestOnBeginFrame();
} else {
begin_frame_task_.Cancel();
}
}
void FakeExternalBeginFrameSource::TestOnBeginFrame() {
DCHECK(CalledOnValidThread());
CallOnBeginFrame(CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE));
PostTestOnBeginFrame();
}
void FakeExternalBeginFrameSource::PostTestOnBeginFrame() {
begin_frame_task_.Reset(
base::Bind(&FakeExternalBeginFrameSource::TestOnBeginFrame,
weak_ptr_factory_.GetWeakPtr()));
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, begin_frame_task_.callback(),
base::TimeDelta::FromMilliseconds(milliseconds_per_frame_));
}
} // namespace cc
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