ash/system/web_notification/web_notification_tray.h

   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_WEB_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_
   6 #define ASH_SYSTEM_WEB_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "ash/system/tray/tray_background_view.h"
  10 #include "ash/system/user/login_status.h"
  11 #include "base/gtest_prod_util.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/memory/weak_ptr.h"
  14 #include "ui/base/models/simple_menu_model.h"
  15 #include "ui/message_center/message_center_tray.h"
  16 #include "ui/message_center/message_center_tray_delegate.h"
  17 #include "ui/views/bubble/tray_bubble_view.h"
  18 #include "ui/views/controls/button/button.h"
  19
  20 // Status area tray for showing browser and app notifications. This hosts
  21 // a MessageCenter class which manages the notification list. This class
  22 // contains the Ash specific tray implementation.
  23 //
  24 // Note: These are not related to system notifications (i.e NotificationView
  25 // generated by SystemTrayItem). Visibility of one notification type or other
  26 // is controlled by StatusAreaWidget.
  27
  28 namespace views {
  29 class ImageButton;
  30 class MenuRunner;
  31 }
  32
  33 namespace message_center {
  34 class MessageBubbleBase;
  35 class MessageCenter;
  36 class MessageCenterBubble;
  37 class MessagePopupCollection;
  38 }
  39
  40 namespace ash {
  41 class StatusAreaWidget;
  42 class WebNotificationBubbleWrapper;
  43 class WebNotificationButton;
  44 class WorkAreaObserver;
  45
  46 class ASH_EXPORT WebNotificationTray
  47     : public TrayBackgroundView,
  48       public views::TrayBubbleView::Delegate,
  49       public message_center::MessageCenterTrayDelegate,
  50       public views::ButtonListener,
  51       public base::SupportsWeakPtr<WebNotificationTray>,
  52       public ui::SimpleMenuModel::Delegate {
  53  public:
  54   explicit WebNotificationTray(StatusAreaWidget* status_area_widget);
  55   virtual ~WebNotificationTray();
  56
  57   // Sets the height of the system tray from the edge of the work area so that
  58   // the notification popups don't overlap with the tray. Passes 0 if no UI is
  59   // shown in the system tray side.
  60   void SetSystemTrayHeight(int height);
  61
  62   // Returns true if it should block the auto hide behavior of the shelf.
  63   bool ShouldBlockShelfAutoHide() const;
  64
  65   // Returns true if the message center bubble is visible.
  66   bool IsMessageCenterBubbleVisible() const;
  67
  68   // Returns true if the mouse is inside the notification bubble.
  69   bool IsMouseInNotificationBubble() const;
  70
  71   // Shows the message center bubble.
  72   void ShowMessageCenterBubble();
  73
  74   // Called when the login status is changed.
  75   void UpdateAfterLoginStatusChange(user::LoginStatus login_status);
  76
  77   // Overridden from TrayBackgroundView.
  78   virtual void SetShelfAlignment(ShelfAlignment alignment) OVERRIDE;
  79   virtual void AnchorUpdated() OVERRIDE;
  80   virtual base::string16 GetAccessibleNameForTray() OVERRIDE;
  81   virtual void HideBubbleWithView(
  82       const views::TrayBubbleView* bubble_view) OVERRIDE;
  83   virtual bool ClickedOutsideBubble() OVERRIDE;
  84
  85   // Overridden from ActionableView.
  86   virtual bool PerformAction(const ui::Event& event) OVERRIDE;
  87
  88   // Overridden from views::TrayBubbleView::Delegate.
  89   virtual void BubbleViewDestroyed() OVERRIDE;
  90   virtual void OnMouseEnteredView() OVERRIDE;
  91   virtual void OnMouseExitedView() OVERRIDE;
  92   virtual base::string16 GetAccessibleNameForBubble() OVERRIDE;
  93   virtual gfx::Rect GetAnchorRect(
  94       views::Widget* anchor_widget,
  95       AnchorType anchor_type,
  96       AnchorAlignment anchor_alignment) const OVERRIDE;
  97   virtual void HideBubble(const views::TrayBubbleView* bubble_view) OVERRIDE;
  98
  99   // Overridden from ButtonListener.
 100   virtual void ButtonPressed(views::Button* sender,
 101                              const ui::Event& event) OVERRIDE;
 102
 103   // Overridden from MessageCenterTrayDelegate.
 104   virtual void OnMessageCenterTrayChanged() OVERRIDE;
 105   virtual bool ShowMessageCenter() OVERRIDE;
 106   virtual void HideMessageCenter() OVERRIDE;
 107   virtual bool ShowPopups() OVERRIDE;
 108   virtual void HidePopups() OVERRIDE;
 109   virtual bool ShowNotifierSettings() OVERRIDE;
 110   virtual bool IsContextMenuEnabled() const OVERRIDE;
 111   virtual message_center::MessageCenterTray* GetMessageCenterTray() OVERRIDE;
 112
 113   // Overridden from SimpleMenuModel::Delegate.
 114   virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
 115   virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
 116   virtual bool GetAcceleratorForCommandId(
 117       int command_id,
 118       ui::Accelerator* accelerator) OVERRIDE;
 119   virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
 120
 121   message_center::MessageCenter* message_center() const;
 122
 123  private:
 124   friend class WebNotificationTrayTest;
 125
 126   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, WebNotifications);
 127   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, WebNotificationPopupBubble);
 128   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest,
 129                            ManyMessageCenterNotifications);
 130   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, ManyPopupNotifications);
 131   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, PopupShownOnBothDisplays);
 132   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, PopupAndSystemTray);
 133   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, PopupAndAutoHideShelf);
 134
 135   void UpdateTrayContent();
 136
 137   // The actual process to show the message center. Set |show_settings| to true
 138   // if the message center should be initialized with the settings visible.
 139   // Returns true if the center is successfully created.
 140   bool ShowMessageCenterInternal(bool show_settings);
 141
 142   // Queries login status and the status area widget to determine visibility of
 143   // the message center.
 144   bool ShouldShowMessageCenter();
 145
 146   // Returns true if it should show the quiet mode menu.
 147   bool ShouldShowQuietModeMenu(const ui::Event& event);
 148
 149   // Shows the quiet mode menu.
 150   void ShowQuietModeMenu(const ui::Event& event);
 151
 152   // Creates the menu model for quiet mode and returns it.
 153   ui::MenuModel* CreateQuietModeMenu();
 154
 155   WebNotificationBubbleWrapper* message_center_bubble() const {
 156     return message_center_bubble_.get();
 157   }
 158
 159   // Testing accessors.
 160   bool IsPopupVisible() const;
 161   message_center::MessageCenterBubble* GetMessageCenterBubbleForTest();
 162
 163   scoped_ptr<message_center::MessageCenterTray> message_center_tray_;
 164   scoped_ptr<WebNotificationBubbleWrapper> message_center_bubble_;
 165   scoped_ptr<message_center::MessagePopupCollection> popup_collection_;
 166   WebNotificationButton* button_;
 167
 168   bool show_message_center_on_unlock_;
 169
 170   bool should_update_tray_content_;
 171
 172   // True when the shelf auto hide behavior has to be blocked. Previously
 173   // this was done by checking |message_center_bubble_| but actually
 174   // the check can be called when creating this object, so it would cause
 175   // flickers of the shelf from hidden to shown. See: crbug.com/181213
 176   bool should_block_shelf_auto_hide_;
 177
 178   // Observes the work area for |popup_collection_| and notifies to it.
 179   scoped_ptr<WorkAreaObserver> work_area_observer_;
 180
 181   DISALLOW_COPY_AND_ASSIGN(WebNotificationTray);
 182 };
 183
 184 }  // namespace ash
 185
 186 #endif  // ASH_SYSTEM_WEB_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_