| // Copyright 2013 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_SHELF_OVERFLOW_BUBBLE_VIEW_H_ |
| #define ASH_SHELF_OVERFLOW_BUBBLE_VIEW_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/shelf/shelf_background_animator.h" |
| #include "ash/shelf/shelf_background_animator_observer.h" |
| #include "ash/shelf/shelf_bubble.h" |
| #include "base/macros.h" |
| |
| namespace ash { |
| class Shelf; |
| class ShelfView; |
| |
| // OverflowBubbleView hosts a ShelfView to display overflown items. |
| // Exports to access this class from OverflowBubbleViewTestAPI. |
| class ASH_EXPORT OverflowBubbleView : public ShelfBubble, |
| public ShelfBackgroundAnimatorObserver { |
| public: |
| // |anchor| is the overflow button on the main shelf. |shelf_view| is the |
| // ShelfView containing the overflow items. |
| OverflowBubbleView(ShelfView* shelf_view, |
| views::View* anchor, |
| SkColor background_color); |
| ~OverflowBubbleView() override; |
| |
| // Handles events for scrolling the bubble. Returns whether the event |
| // has been consumed. |
| bool ProcessGestureEvent(const ui::GestureEvent& event); |
| |
| // These return the actual offset (sometimes reduced by the clamping). |
| int ScrollByXOffset(int x_offset); |
| int ScrollByYOffset(int y_offset); |
| |
| // views::BubbleDialogDelegateView: |
| gfx::Rect GetBubbleBounds() override; |
| bool CanActivate() const override; |
| |
| ShelfView* shelf_view() { return shelf_view_; } |
| |
| // ShelfBubble: |
| bool ShouldCloseOnPressDown() override; |
| bool ShouldCloseOnMouseExit() override; |
| |
| private: |
| friend class OverflowBubbleViewTestAPI; |
| |
| // views::View: |
| gfx::Size CalculatePreferredSize() const override; |
| void Layout() override; |
| void ChildPreferredSizeChanged(views::View* child) override; |
| bool OnMouseWheel(const ui::MouseWheelEvent& event) override; |
| |
| // ui::EventHandler: |
| void OnScrollEvent(ui::ScrollEvent* event) override; |
| |
| // ShelfBackgroundAnimatorObserver: |
| void UpdateShelfBackground(SkColor color) override; |
| |
| Shelf* shelf_; |
| ShelfView* shelf_view_; // Owned by views hierarchy. |
| gfx::Vector2d scroll_offset_; |
| |
| ShelfBackgroundAnimator background_animator_; |
| |
| DISALLOW_COPY_AND_ASSIGN(OverflowBubbleView); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SHELF_OVERFLOW_BUBBLE_VIEW_H_ |