| // 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_SYSTEM_TRAY_TRAY_ITEM_VIEW_H_ |
| #define ASH_SYSTEM_TRAY_TRAY_ITEM_VIEW_H_ |
| |
| #include <memory> |
| |
| #include "ash/ash_export.h" |
| #include "base/macros.h" |
| #include "ui/gfx/animation/animation_delegate.h" |
| #include "ui/views/view.h" |
| |
| namespace gfx { |
| class SlideAnimation; |
| } |
| |
| namespace views { |
| class ImageView; |
| class Label; |
| } |
| |
| namespace ash { |
| class SystemTrayItem; |
| |
| // Base-class for items in the tray. It makes sure the widget is updated |
| // correctly when the visibility/size of the tray item changes. It also adds |
| // animation when showing/hiding the item in the tray. |
| class ASH_EXPORT TrayItemView : public views::View, |
| public gfx::AnimationDelegate { |
| public: |
| explicit TrayItemView(SystemTrayItem* owner); |
| ~TrayItemView() override; |
| |
| // Convenience function for creating a child Label or ImageView. |
| // Only one of the two should be called. |
| void CreateLabel(); |
| void CreateImageView(); |
| |
| SystemTrayItem* owner() const { return owner_; } |
| views::Label* label() const { return label_; } |
| views::ImageView* image_view() const { return image_view_; } |
| |
| // Overridden from views::View. |
| void SetVisible(bool visible) override; |
| gfx::Size CalculatePreferredSize() const override; |
| int GetHeightForWidth(int width) const override; |
| |
| protected: |
| // The default animation duration is 200ms. But each view can customize this. |
| virtual int GetAnimationDurationMS(); |
| |
| private: |
| // Overridden from views::View. |
| void ChildPreferredSizeChanged(View* child) override; |
| |
| // Overridden from gfx::AnimationDelegate. |
| void AnimationProgressed(const gfx::Animation* animation) override; |
| void AnimationEnded(const gfx::Animation* animation) override; |
| void AnimationCanceled(const gfx::Animation* animation) override; |
| |
| SystemTrayItem* owner_; |
| std::unique_ptr<gfx::SlideAnimation> animation_; |
| // Only one of |label_| and |image_view_| should be non-null. |
| views::Label* label_; |
| views::ImageView* image_view_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TrayItemView); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SYSTEM_TRAY_TRAY_ITEM_VIEW_H_ |