// 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 ASH_DISPLAY_SHARED_DISPLAY_EDGE_INDICATOR_H_ #define ASH_DISPLAY_SHARED_DISPLAY_EDGE_INDICATOR_H_ #include #include "ash/ash_export.h" #include "ui/gfx/animation/animation_delegate.h" namespace gfx { class Rect; class ThrobAnimation; } namespace views { 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 { public: SharedDisplayEdgeIndicator(); SharedDisplayEdgeIndicator(const SharedDisplayEdgeIndicator&) = delete; SharedDisplayEdgeIndicator& operator=(const SharedDisplayEdgeIndicator&) = delete; ~SharedDisplayEdgeIndicator() override; // Shows 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. Hiding is done in the destructor, when the widgets get released. void Show(const gfx::Rect& src_bounds, const gfx::Rect& dst_bounds); // gfx::AnimationDelegate: void AnimationProgressed(const gfx::Animation* animation) override; private: // 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. std::unique_ptr src_widget_; std::unique_ptr dst_widget_; // Used to transition the opacity. std::unique_ptr animation_; }; } // namespace ash #endif // ASH_DISPLAY_SHARED_DISPLAY_EDGE_INDICATOR_H_