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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.
#ifndef UI_COMPOSITOR_TEST_DRAW_WAITER_H_
#define UI_COMPOSITOR_TEST_DRAW_WAITER_H_
#include "base/run_loop.h"
#include "ui/compositor/compositor_observer.h"
class Compositor;
namespace ui {
// This is only to be used for test. It allows execution of other tasks on
// the current message loop before the current task finishs (there is a
// potential for re-entrancy).
class DrawWaiterForTest : public CompositorObserver {
public:
// Waits for a draw to be issued by the compositor. If the test times out
// here, there may be a logic error in the compositor code causing it
// not to draw.
static void Wait(Compositor* compositor);
// Waits for a commit instead of a draw.
static void WaitForCommit(Compositor* compositor);
private:
DrawWaiterForTest();
virtual ~DrawWaiterForTest();
void WaitImpl(Compositor* compositor);
// CompositorObserver implementation.
virtual void OnCompositingDidCommit(Compositor* compositor) OVERRIDE;
virtual void OnCompositingStarted(Compositor* compositor,
base::TimeTicks start_time) OVERRIDE;
virtual void OnCompositingEnded(Compositor* compositor) OVERRIDE;
virtual void OnCompositingAborted(Compositor* compositor) OVERRIDE;
virtual void OnCompositingLockStateChanged(Compositor* compositor) OVERRIDE;
scoped_ptr<base::RunLoop> wait_run_loop_;
bool wait_for_commit_;
DISALLOW_COPY_AND_ASSIGN(DrawWaiterForTest);
};
} // namespace ui
#endif // UI_COMPOSITOR_TEST_DRAW_WAITER_H_
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