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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_ | |
| 6 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <memory> | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "ash/ash_export.h" | |
| 13 #include "ash/system/tray/system_tray_bubble.h" | |
| 14 #include "ash/system/tray/tray_background_view.h" | |
| 15 #include "base/macros.h" | |
| 16 #include "ui/views/bubble/tray_bubble_view.h" | |
| 17 #include "ui/views/view.h" | |
| 18 | |
| 19 namespace ash { | |
| 20 | |
| 21 class KeyEventWatcher; | |
| 22 enum class LoginStatus; | |
| 23 class ScreenTrayItem; | |
| 24 class SystemBubbleWrapper; | |
| 25 class SystemTrayDelegate; | |
| 26 class SystemTrayItem; | |
| 27 class TrayAccessibility; | |
| 28 class TrayAudio; | |
| 29 class TrayCast; | |
| 30 class TrayDate; | |
| 31 class TrayNetwork; | |
| 32 class TraySystemInfo; | |
| 33 class TrayTiles; | |
| 34 class TrayUpdate; | |
| 35 class WebNotificationTray; | |
| 36 | |
| 37 // There are different methods for creating bubble views. | |
| 38 enum BubbleCreationType { | |
| 39 BUBBLE_CREATE_NEW, // Closes any existing bubble and creates a new one. | |
| 40 BUBBLE_USE_EXISTING, // Uses any existing bubble, or creates a new one. | |
| 41 }; | |
| 42 | |
| 43 class ASH_EXPORT SystemTray : public TrayBackgroundView, | |
| 44 public views::TrayBubbleView::Delegate { | |
| 45 public: | |
| 46 explicit SystemTray(WmShelf* wm_shelf); | |
| 47 ~SystemTray() override; | |
| 48 | |
| 49 TrayUpdate* tray_update() { return tray_update_; } | |
| 50 | |
| 51 // Calls TrayBackgroundView::Initialize(), creates the tray items, and | |
| 52 // adds them to SystemTrayNotifier. | |
| 53 void InitializeTrayItems(SystemTrayDelegate* delegate, | |
| 54 WebNotificationTray* web_notification_tray); | |
| 55 | |
| 56 // Resets internal pointers. This has to be called before deletion. | |
| 57 void Shutdown(); | |
| 58 | |
| 59 // Adds a new item in the tray. | |
| 60 void AddTrayItem(std::unique_ptr<SystemTrayItem> item); | |
| 61 | |
| 62 // Returns all tray items that has been added to system tray. | |
| 63 std::vector<SystemTrayItem*> GetTrayItems() const; | |
| 64 | |
| 65 // Shows the default view of all items. | |
| 66 void ShowDefaultView(BubbleCreationType creation_type); | |
| 67 | |
| 68 // Shows default view that ingnores outside clicks and activation loss. | |
| 69 void ShowPersistentDefaultView(); | |
| 70 | |
| 71 // Shows details of a particular item. If |close_delay_in_seconds| is | |
| 72 // non-zero, then the view is automatically closed after the specified time. | |
| 73 void ShowDetailedView(SystemTrayItem* item, | |
| 74 int close_delay_in_seconds, | |
| 75 bool activate, | |
| 76 BubbleCreationType creation_type); | |
| 77 | |
| 78 // Continue showing the existing detailed view, if any, for |close_delay| | |
| 79 // seconds. | |
| 80 void SetDetailedViewCloseDelay(int close_delay); | |
| 81 | |
| 82 // Hides the detailed view for |item|. If |animate| is false, disable | |
| 83 // the hiding animation for hiding |item|. | |
| 84 void HideDetailedView(SystemTrayItem* item, bool animate); | |
| 85 | |
| 86 // Updates the items when the login status of the system changes. | |
| 87 void UpdateAfterLoginStatusChange(LoginStatus login_status); | |
| 88 | |
| 89 // Updates the items when the shelf alignment changes. | |
| 90 void UpdateAfterShelfAlignmentChange(ShelfAlignment alignment); | |
| 91 | |
| 92 // Returns true if the shelf should be forced visible when auto-hidden. | |
| 93 bool ShouldShowShelf() const; | |
| 94 | |
| 95 // Returns true if there is a system bubble (already visible or in the process | |
| 96 // of being created). | |
| 97 bool HasSystemBubble() const; | |
| 98 | |
| 99 // Returns true if the system_bubble_ exists and is of type |type|. | |
| 100 bool HasSystemBubbleType(SystemTrayBubble::BubbleType type); | |
| 101 | |
| 102 // Returns a pointer to the system bubble or NULL if none. | |
| 103 SystemTrayBubble* GetSystemBubble(); | |
| 104 | |
| 105 // Returns true if system bubble is visible. | |
| 106 bool IsSystemBubbleVisible() const; | |
| 107 | |
| 108 // Closes system bubble and returns true if it did exist. | |
| 109 bool CloseSystemBubble() const; | |
| 110 | |
| 111 // Returns view for help button if default view is shown. Returns NULL | |
| 112 // otherwise. | |
| 113 views::View* GetHelpButtonView() const; | |
| 114 | |
| 115 // Returns TrayAudio object if present or null otherwise. | |
| 116 TrayAudio* GetTrayAudio() const; | |
| 117 | |
| 118 // Overridden from TrayBackgroundView. | |
| 119 void SetShelfAlignment(ShelfAlignment alignment) override; | |
| 120 void AnchorUpdated() override; | |
| 121 base::string16 GetAccessibleNameForTray() override; | |
| 122 void BubbleResized(const views::TrayBubbleView* bubble_view) override; | |
| 123 void HideBubbleWithView(const views::TrayBubbleView* bubble_view) override; | |
| 124 void ClickedOutsideBubble() override; | |
| 125 | |
| 126 // views::TrayBubbleView::Delegate: | |
| 127 void BubbleViewDestroyed() override; | |
| 128 void OnMouseEnteredView() override; | |
| 129 void OnMouseExitedView() override; | |
| 130 base::string16 GetAccessibleNameForBubble() override; | |
| 131 void OnBeforeBubbleWidgetInit( | |
| 132 views::Widget* anchor_widget, | |
| 133 views::Widget* bubble_widget, | |
| 134 views::Widget::InitParams* params) const override; | |
| 135 void HideBubble(const views::TrayBubbleView* bubble_view) override; | |
| 136 | |
| 137 ScreenTrayItem* GetScreenShareItem() { return screen_share_tray_item_; } | |
| 138 ScreenTrayItem* GetScreenCaptureItem() { return screen_capture_tray_item_; } | |
| 139 | |
| 140 TrayAccessibility* GetTrayAccessibilityForTest() { | |
| 141 return tray_accessibility_; | |
| 142 } | |
| 143 | |
| 144 // Get the tray item view (or NULL) for a given |tray_item| in a unit test. | |
| 145 views::View* GetTrayItemViewForTest(SystemTrayItem* tray_item); | |
| 146 | |
| 147 TrayCast* GetTrayCastForTesting() const; | |
| 148 TrayDate* GetTrayDateForTesting() const; | |
| 149 TrayNetwork* GetTrayNetworkForTesting() const; | |
| 150 TraySystemInfo* GetTraySystemInfoForTesting() const; | |
| 151 TrayTiles* GetTrayTilesForTesting() const; | |
| 152 | |
| 153 // Activates the system tray bubble. | |
| 154 void ActivateBubble(); | |
| 155 | |
| 156 private: | |
| 157 class ActivationObserver; | |
| 158 | |
| 159 // Closes the bubble. Used to bind as a KeyEventWatcher::KeyEventCallback. | |
| 160 void CloseBubble(const ui::KeyEvent& key_event); | |
| 161 | |
| 162 // Activates the bubble and starts key navigation with the |key_event|. | |
| 163 void ActivateAndStartNavigation(const ui::KeyEvent& key_event); | |
| 164 | |
| 165 // Creates the key event watcher. See |ShowItems()| for why key events are | |
| 166 // observed. | |
| 167 void CreateKeyEventWatcher(); | |
| 168 | |
| 169 // Creates the default set of items for the sytem tray. | |
| 170 void CreateItems(SystemTrayDelegate* delegate); | |
| 171 | |
| 172 // Resets |system_bubble_| and clears any related state. | |
| 173 void DestroySystemBubble(); | |
| 174 | |
| 175 // Returns a string with the current time for accessibility on the status | |
| 176 // tray bar. | |
| 177 base::string16 GetAccessibleTimeString(const base::Time& now) const; | |
| 178 | |
| 179 // Constructs or re-constructs |system_bubble_| and populates it with |items|. | |
| 180 // Specify |change_tray_status| to true if want to change the tray background | |
| 181 // status. The bubble will be opened in inactive state. If |can_activate| is | |
| 182 // true, the bubble will be activated by one of following means. | |
| 183 // * When alt/alt-tab acclerator is used to start navigation. | |
| 184 // * When the bubble is opened by accelerator. | |
| 185 // * When the tray item is set to be focused. | |
| 186 void ShowItems(const std::vector<SystemTrayItem*>& items, | |
| 187 bool details, | |
| 188 bool can_activate, | |
| 189 BubbleCreationType creation_type, | |
| 190 bool persistent); | |
| 191 | |
| 192 // Checks the current status of the system tray and updates the web | |
| 193 // notification tray according to the current status. | |
| 194 void UpdateWebNotifications(); | |
| 195 | |
| 196 // Deactivate the system tray in the shelf if it was active before. | |
| 197 void CloseSystemBubbleAndDeactivateSystemTray(); | |
| 198 | |
| 199 // Records UMA metrics for the number of user-visible rows in the system menu | |
| 200 // and the percentage of the work area height covered by the system menu. | |
| 201 void RecordSystemMenuMetrics(); | |
| 202 | |
| 203 // Overridden from ActionableView. | |
| 204 bool PerformAction(const ui::Event& event) override; | |
| 205 | |
| 206 // The web notification tray view that appears adjacent to this view. | |
| 207 WebNotificationTray* web_notification_tray_; | |
| 208 | |
| 209 // Items. | |
| 210 std::vector<std::unique_ptr<SystemTrayItem>> items_; | |
| 211 | |
| 212 // Pointers to members of |items_|. | |
| 213 SystemTrayItem* detailed_item_; | |
| 214 | |
| 215 // Mappings of system tray item and it's view in the tray. | |
| 216 std::map<SystemTrayItem*, views::View*> tray_item_map_; | |
| 217 | |
| 218 // Bubble for default and detailed views. | |
| 219 std::unique_ptr<SystemBubbleWrapper> system_bubble_; | |
| 220 | |
| 221 // Keep track of the default view height so that when we create detailed | |
| 222 // views directly (e.g. from a notification) we know what height to use. | |
| 223 int default_bubble_height_; | |
| 224 | |
| 225 // This is true when the displayed system tray menu is a full tray menu, | |
| 226 // otherwise a single line item menu like the volume slider is shown. | |
| 227 // Note that the value is only valid when |system_bubble_| is true. | |
| 228 bool full_system_tray_menu_; | |
| 229 | |
| 230 // These objects are not owned by this class. | |
| 231 TrayAccessibility* tray_accessibility_; | |
| 232 TrayAudio* tray_audio_; // May be null. | |
| 233 TrayCast* tray_cast_; | |
| 234 TrayDate* tray_date_; // null for material design. | |
| 235 TrayNetwork* tray_network_; | |
| 236 TrayTiles* tray_tiles_; // only used in material design. | |
| 237 TraySystemInfo* tray_system_info_; // only used in material design. | |
| 238 TrayUpdate* tray_update_; | |
| 239 | |
| 240 // A reference to the Screen share and capture item. | |
| 241 ScreenTrayItem* screen_capture_tray_item_; // not owned | |
| 242 ScreenTrayItem* screen_share_tray_item_; // not owned | |
| 243 | |
| 244 // TODO(oshima): Remove this when crbug.com/651242 is fixed. | |
| 245 bool activating_ = false; | |
| 246 | |
| 247 std::unique_ptr<KeyEventWatcher> key_event_watcher_; | |
| 248 | |
| 249 std::unique_ptr<ActivationObserver> activation_observer_; | |
| 250 | |
| 251 DISALLOW_COPY_AND_ASSIGN(SystemTray); | |
| 252 }; | |
| 253 | |
| 254 } // namespace ash | |
| 255 | |
| 256 #endif // ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_ | |
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Chromium Code Reviews
Issue 2731873002:
Revert "chromeos: Move files in //ash/common to //ash, part 1" (Closed)
