| // 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 UI_VIEWS_CONTROLS_SLIDE_OUT_VIEW_H_ |
| #define UI_VIEWS_CONTROLS_SLIDE_OUT_VIEW_H_ |
| |
| #include "ui/compositor/layer_animation_observer.h" |
| #include "ui/views/view.h" |
| #include "ui/views/views_export.h" |
| |
| namespace views { |
| |
| // A View that can be closed by a slide-out touch gesture. |
| class VIEWS_EXPORT SlideOutView : public views::View, |
| public ui::ImplicitAnimationObserver { |
| public: |
| SlideOutView(); |
| virtual ~SlideOutView(); |
| |
| protected: |
| // Called when user intends to close the View by sliding it out. |
| virtual void OnSlideOut() = 0; |
| |
| // Overridden from views::View. |
| virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE; |
| |
| private: |
| enum SlideDirection { |
| SLIDE_LEFT, |
| SLIDE_RIGHT, |
| }; |
| |
| // Restores the transform and opacity of the view. |
| void RestoreVisualState(); |
| |
| // Slides the view out and closes it after the animation. |
| void SlideOutAndClose(SlideDirection direction); |
| |
| // Overridden from ImplicitAnimationObserver. |
| virtual void OnImplicitAnimationsCompleted() OVERRIDE; |
| |
| float gesture_scroll_amount_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SlideOutView); |
| }; |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_CONTROLS_SLIDE_OUT_VIEW_H_ |