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// Copyright (c) 2013 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_SCOPED_ANIMATION_DURATION_SCALE_MODE_H_
#define UI_COMPOSITOR_SCOPED_ANIMATION_DURATION_SCALE_MODE_H_
#include "base/macros.h"
#include "ui/compositor/compositor_export.h"
namespace ui {
// Speed up or slow down animations for testing or debugging.
class COMPOSITOR_EXPORT ScopedAnimationDurationScaleMode {
public:
enum DurationScaleMode {
NORMAL_DURATION,
FAST_DURATION,
SLOW_DURATION,
// A very short but guaranteed non-zero duration for individual tests that
// need to assert things about animations after creating them.
NON_ZERO_DURATION,
// Animations complete immediately after being created. Used by most tests.
ZERO_DURATION
};
explicit ScopedAnimationDurationScaleMode(
DurationScaleMode scoped_duration_scale_mode)
: old_duration_scale_mode_(duration_scale_mode_) {
duration_scale_mode_ = scoped_duration_scale_mode;
}
~ScopedAnimationDurationScaleMode() {
duration_scale_mode_ = old_duration_scale_mode_;
}
static DurationScaleMode duration_scale_mode() {
return duration_scale_mode_;
}
private:
DurationScaleMode old_duration_scale_mode_;
static DurationScaleMode duration_scale_mode_;
DISALLOW_COPY_AND_ASSIGN(ScopedAnimationDurationScaleMode);
};
} // namespace ui
#endif // UI_COMPOSITOR_SCOPED_ANIMATION_DURATION_SCALE_MODE_H
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