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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef UI_AURA_SHELL_APP_LIST_H_ | |
| 6 #define UI_AURA_SHELL_APP_LIST_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include "base/basictypes.h" | |
| 10 #include "base/compiler_specific.h" | |
| 11 #include "base/memory/weak_ptr.h" | |
| 12 #include "ui/aura/event_filter.h" | |
| 13 #include "ui/gfx/compositor/layer_animation_observer.h" | |
| 14 #include "ui/views/widget/widget.h" | |
| 15 | |
| 16 namespace aura_shell { | |
| 17 namespace internal { | |
| 18 | |
| 19 // AppList is a controller that manages app list UI for shell. To show the UI, | |
| 20 // it requests app list widget from ShellDelegate and shows it when ready. | |
| 21 // While the UI is visible, it monitors things such as app list widget's | |
| 22 // activation state and desktop mouse click to auto dismiss the UI. | |
| 23 class AppList : public aura::EventFilter, | |
| 24 public ui::LayerAnimationObserver, | |
| 25 public views::Widget::Observer { | |
| 26 public: | |
| 27 AppList(); | |
| 28 virtual ~AppList(); | |
| 29 | |
| 30 // Show/hide app list window. | |
| 31 void SetVisible(bool visible); | |
| 32 | |
| 33 // Whether app list window is visible (shown or being shown). | |
| 34 bool IsVisible(); | |
| 35 | |
| 36 private: | |
| 37 // Sets app list widget. If we are in visible mode, start showing animation. | |
| 38 // Otherwise, we just close the widget. | |
| 39 void SetWidget(views::Widget* widget); | |
| 40 | |
| 41 // Forgets the widget. | |
| 42 void ResetWidget(); | |
| 43 | |
| 44 // Starts show/hide animation. | |
| 45 void ScheduleAnimation(); | |
| 46 | |
| 47 // aura::EventFilter overrides: | |
| 48 virtual bool PreHandleKeyEvent(aura::Window* target, | |
| 49 aura::KeyEvent* event) OVERRIDE; | |
| 50 virtual bool PreHandleMouseEvent(aura::Window* target, | |
| 51 aura::MouseEvent* event) OVERRIDE; | |
| 52 virtual ui::TouchStatus PreHandleTouchEvent(aura::Window* target, | |
| 53 aura::TouchEvent* event) OVERRIDE; | |
| 54 | |
| 55 // ui::LayerAnimationObserver overrides: | |
| 56 virtual void OnLayerAnimationEnded( | |
| 57 const ui::LayerAnimationSequence* sequence) OVERRIDE; | |
| 58 virtual void OnLayerAnimationAborted( | |
| 59 const ui::LayerAnimationSequence* sequence) OVERRIDE; | |
| 60 virtual void OnLayerAnimationScheduled( | |
| 61 const ui::LayerAnimationSequence* sequence) OVERRIDE; | |
| 62 | |
| 63 // views::Widget::Observer overrides: | |
| 64 virtual void OnWidgetClosing(views::Widget* widget) OVERRIDE; | |
| 65 virtual void OnWidgetActivationChanged(views::Widget* widget, | |
| 66 bool active) OVERRIDE; | |
| 67 | |
| 68 // Whether we should show or hide app list widget. | |
| 69 bool is_visible_; | |
| 70 | |
| 71 // App list widget we get from ShellDelegate. | |
| 72 views::Widget* widget_; | |
| 73 | |
| 74 // A weak ptr factory for callbacks that ShellDelegate used to set widget. | |
| 75 base::WeakPtrFactory<AppList> set_widget_factory_; | |
| 76 | |
| 77 DISALLOW_COPY_AND_ASSIGN(AppList); | |
| 78 }; | |
| 79 | |
| 80 } // namespace internal | |
| 81 } // namespace aura_shell | |
| 82 | |
| 83 #endif // UI_AURA_SHELL_APP_LIST_H_ | |
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Chromium Code Reviews
Issue 8890049:
[Aura] Implement views-based applist. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src