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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_ | 5 #ifndef UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_ |
6 #define UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_ | 6 #define UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
12 #include "base/timer/timer.h" | 12 #include "base/timer/timer.h" |
13 #include "ui/app_list/app_list_export.h" | 13 #include "ui/app_list/app_list_export.h" |
14 #include "ui/app_list/app_list_item_observer.h" | 14 #include "ui/app_list/app_list_item_observer.h" |
15 #include "ui/app_list/views/cached_label.h" | |
16 #include "ui/gfx/shadow_value.h" | 15 #include "ui/gfx/shadow_value.h" |
17 #include "ui/views/context_menu_controller.h" | 16 #include "ui/views/context_menu_controller.h" |
18 #include "ui/views/controls/button/custom_button.h" | 17 #include "ui/views/controls/button/custom_button.h" |
19 | 18 |
20 class SkBitmap; | 19 class SkBitmap; |
21 | 20 |
22 namespace views { | 21 namespace views { |
23 class ImageView; | 22 class ImageView; |
24 class Label; | 23 class Label; |
25 class MenuRunner; | 24 class MenuRunner; |
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36 public AppListItemObserver { | 35 public AppListItemObserver { |
37 public: | 36 public: |
38 // Internal class name. | 37 // Internal class name. |
39 static const char kViewClassName[]; | 38 static const char kViewClassName[]; |
40 | 39 |
41 AppListItemView(AppsGridView* apps_grid_view, AppListItem* item); | 40 AppListItemView(AppsGridView* apps_grid_view, AppListItem* item); |
42 virtual ~AppListItemView(); | 41 virtual ~AppListItemView(); |
43 | 42 |
44 void SetIconSize(const gfx::Size& size); | 43 void SetIconSize(const gfx::Size& size); |
45 | 44 |
46 void Prerender(); | |
47 | |
48 void CancelContextMenu(); | 45 void CancelContextMenu(); |
49 | 46 |
50 gfx::ImageSkia GetDragImage(); | 47 gfx::ImageSkia GetDragImage(); |
51 void OnDragEnded(); | 48 void OnDragEnded(); |
52 gfx::Point GetDragImageOffset(); | 49 gfx::Point GetDragImageOffset(); |
53 | 50 |
54 void SetAsAttemptedFolderTarget(bool is_target_folder); | 51 void SetAsAttemptedFolderTarget(bool is_target_folder); |
55 | 52 |
56 AppListItem* item() const { return item_; } | 53 AppListItem* item() const { return item_; } |
57 | 54 |
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85 void UpdateTooltip(); | 82 void UpdateTooltip(); |
86 | 83 |
87 void SetUIState(UIState state); | 84 void SetUIState(UIState state); |
88 | 85 |
89 // Sets |touch_dragging_| flag and updates UI. | 86 // Sets |touch_dragging_| flag and updates UI. |
90 void SetTouchDragging(bool touch_dragging); | 87 void SetTouchDragging(bool touch_dragging); |
91 | 88 |
92 // Invoked when |mouse_drag_timer_| fires to show dragging UI. | 89 // Invoked when |mouse_drag_timer_| fires to show dragging UI. |
93 void OnMouseDragTimer(); | 90 void OnMouseDragTimer(); |
94 | 91 |
95 // If the item is not in a folder, not highlighted, not being dragged, and not | |
96 // having something dropped onto it, enables subpixel AA for the title. | |
97 void SetTitleSubpixelAA(); | |
98 | |
99 // AppListItemObserver overrides: | 92 // AppListItemObserver overrides: |
100 virtual void ItemIconChanged() OVERRIDE; | 93 virtual void ItemIconChanged() OVERRIDE; |
101 virtual void ItemNameChanged() OVERRIDE; | 94 virtual void ItemNameChanged() OVERRIDE; |
102 virtual void ItemHighlightedChanged() OVERRIDE; | 95 virtual void ItemHighlightedChanged() OVERRIDE; |
103 virtual void ItemIsInstallingChanged() OVERRIDE; | 96 virtual void ItemIsInstallingChanged() OVERRIDE; |
104 virtual void ItemPercentDownloadedChanged() OVERRIDE; | 97 virtual void ItemPercentDownloadedChanged() OVERRIDE; |
105 | 98 |
106 // views::View overrides: | 99 // views::View overrides: |
107 virtual const char* GetClassName() const OVERRIDE; | 100 virtual const char* GetClassName() const OVERRIDE; |
108 virtual void Layout() OVERRIDE; | 101 virtual void Layout() OVERRIDE; |
109 virtual void SchedulePaintInRect(const gfx::Rect& r) OVERRIDE; | |
110 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; | 102 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; |
111 | 103 |
112 // views::ContextMenuController overrides: | 104 // views::ContextMenuController overrides: |
113 virtual void ShowContextMenuForView(views::View* source, | 105 virtual void ShowContextMenuForView(views::View* source, |
114 const gfx::Point& point, | 106 const gfx::Point& point, |
115 ui::MenuSourceType source_type) OVERRIDE; | 107 ui::MenuSourceType source_type) OVERRIDE; |
116 | 108 |
117 // views::CustomButton overrides: | 109 // views::CustomButton overrides: |
118 virtual void StateChanged() OVERRIDE; | 110 virtual void StateChanged() OVERRIDE; |
119 virtual bool ShouldEnterPushedState(const ui::Event& event) OVERRIDE; | 111 virtual bool ShouldEnterPushedState(const ui::Event& event) OVERRIDE; |
120 | 112 |
121 // views::View overrides: | 113 // views::View overrides: |
122 virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE; | 114 virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE; |
123 virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE; | 115 virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE; |
124 virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE; | 116 virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE; |
125 virtual void OnMouseCaptureLost() OVERRIDE; | 117 virtual void OnMouseCaptureLost() OVERRIDE; |
126 virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE; | 118 virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE; |
127 | 119 |
128 // ui::EventHandler overrides: | 120 // ui::EventHandler overrides: |
129 virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE; | 121 virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE; |
130 | 122 |
131 AppListItem* item_; // Owned by AppListModel. | 123 AppListItem* item_; // Owned by AppListModel. |
132 | 124 |
133 AppsGridView* apps_grid_view_; // Owned by views hierarchy. | 125 AppsGridView* apps_grid_view_; // Owned by views hierarchy. |
134 views::ImageView* icon_; // Owned by views hierarchy. | 126 views::ImageView* icon_; // Owned by views hierarchy. |
135 CachedLabel* title_; // Owned by views hierarchy. | 127 views::Label* title_; // Owned by views hierarchy. |
136 ProgressBarView* progress_bar_; // Owned by views hierarchy. | 128 ProgressBarView* progress_bar_; // Owned by views hierarchy. |
137 | 129 |
138 scoped_ptr<views::MenuRunner> context_menu_runner_; | 130 scoped_ptr<views::MenuRunner> context_menu_runner_; |
139 | 131 |
140 gfx::Size icon_size_; | 132 gfx::Size icon_size_; |
141 gfx::ShadowValues icon_shadows_; | 133 gfx::ShadowValues icon_shadows_; |
142 | 134 |
143 UIState ui_state_; | 135 UIState ui_state_; |
144 | 136 |
145 // True if scroll gestures should contribute to dragging. | 137 // True if scroll gestures should contribute to dragging. |
146 bool touch_dragging_; | 138 bool touch_dragging_; |
147 | 139 |
148 // A timer to defer showing drag UI when mouse is pressed. | 140 // A timer to defer showing drag UI when mouse is pressed. |
149 base::OneShotTimer<AppListItemView> mouse_drag_timer_; | 141 base::OneShotTimer<AppListItemView> mouse_drag_timer_; |
150 | 142 |
151 DISALLOW_COPY_AND_ASSIGN(AppListItemView); | 143 DISALLOW_COPY_AND_ASSIGN(AppListItemView); |
152 }; | 144 }; |
153 | 145 |
154 } // namespace app_list | 146 } // namespace app_list |
155 | 147 |
156 #endif // UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_ | 148 #endif // UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_ |
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