blob: ec83664a0ad14f9ab593895c06ec34976718ecdb [file] [log] [blame]
// 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.
#include <memory>
#include "ash/ash_export.h"
#include "base/macros.h"
#include "ui/gfx/animation/animation_delegate.h"
namespace gfx {
class Rect;
class ThrobAnimation;
namespace views {
class View;
class Widget;
namespace ash {
// SharedDisplayEdgeIndicator is responsible for showing a window that indicates
// the edge that a window can be dragged into another display.
class ASH_EXPORT SharedDisplayEdgeIndicator : public gfx::AnimationDelegate {
~SharedDisplayEdgeIndicator() override;
// Shows/Hides the indicator window. The |src_bounds| is for the window on
// the source display, and the |dst_bounds| is for the window on the other
// display.
void Show(const gfx::Rect& src_bounds, const gfx::Rect& dst_bounds);
void Hide();
// gfx::AnimationDelegate overrides:
void AnimationProgressed(const gfx::Animation* animation) override;
// Used to show the displays' shared edge where a window can be moved across.
// |src_widget_| is for the display where drag starts and |dst_widget_| is
// for the other display.
views::View* src_indicator_;
views::View* dst_indicator_;
// Used to transition the opacity.
std::unique_ptr<gfx::ThrobAnimation> animation_;
} // namespace ash