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// Copyright (c) 2012 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 CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_
#define CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_
#include "ash/screenshot_delegate.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/time.h"
#include "ui/compositor/layer.h"
namespace aura {
class Window;
} // namespace aura
class ScreenshotTaker : public ash::ScreenshotDelegate {
public:
ScreenshotTaker();
virtual ~ScreenshotTaker();
// Overridden from ash::ScreenshotDelegate:
virtual void HandleTakeScreenshotForAllRootWindows() OVERRIDE;
virtual void HandleTakePartialScreenshot(aura::Window* window,
const gfx::Rect& rect) OVERRIDE;
virtual bool CanTakeScreenshot() OVERRIDE;
private:
// Flashes the screen to provide visual feedback that a screenshot has
// been taken.
void DisplayVisualFeedback(const gfx::Rect& rect);
// Closes the visual feedback layer.
void CloseVisualFeedbackLayer();
// The timestamp when the screenshot task was issued last time.
base::Time last_screenshot_timestamp_;
// The flashing effect of the screen for the visual feedback when taking a
// screenshot.
scoped_ptr<ui::Layer> visual_feedback_layer_;
DISALLOW_COPY_AND_ASSIGN(ScreenshotTaker);
};
#endif // CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_
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