mash: Remove StatusAreaWidget references from system tray classes

ash/system/web_notification/web_notification_tray.h

-// Copyright (c) 2012 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_SYSTEM_WEB_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_
-#define ASH_SYSTEM_WEB_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_
-
-#include <memory>
-
-#include "ash/ash_export.h"
-#include "ash/common/login_status.h"
-#include "ash/common/system/tray/tray_background_view.h"
-#include "base/gtest_prod_util.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "ui/base/models/simple_menu_model.h"
-#include "ui/message_center/message_center_tray.h"
-#include "ui/message_center/message_center_tray_delegate.h"
-#include "ui/views/bubble/tray_bubble_view.h"
-#include "ui/views/controls/button/button.h"
-
-// Status area tray for showing browser and app notifications. This hosts
-// a MessageCenter class which manages the notification list. This class
-// contains the Ash specific tray implementation.
-//
-// Note: These are not related to system notifications (i.e NotificationView
-// generated by SystemTrayItem). Visibility of one notification type or other
-// is controlled by StatusAreaWidget.
-
-namespace views {
-class ImageButton;
-class MenuRunner;
-}
-
-namespace message_center {
-class MessageBubbleBase;
-class MessageCenter;
-class MessageCenterBubble;
-class MessagePopupCollection;
-}
-
-namespace ash {
-class StatusAreaWidget;
-class WebNotificationBubbleWrapper;
-class WebNotificationButton;
-class AshPopupAlignmentDelegate;
-
-class ASH_EXPORT WebNotificationTray
-    : public TrayBackgroundView,
-      public views::TrayBubbleView::Delegate,
-      public message_center::MessageCenterTrayDelegate,
-      public views::ButtonListener,
-      public base::SupportsWeakPtr<WebNotificationTray>,
-      public ui::SimpleMenuModel::Delegate {
- public:
-  explicit WebNotificationTray(StatusAreaWidget* status_area_widget);
-  ~WebNotificationTray() override;
-
-  // Sets the height of the system tray from the edge of the work area so that
-  // the notification popups don't overlap with the tray. Passes 0 if no UI is
-  // shown in the system tray side.
-  void SetSystemTrayHeight(int height);
-
-  // Returns the current system tray height.
-  int system_tray_height_for_test() const;
-
-  // Returns true if it should block the auto hide behavior of the shelf.
-  bool ShouldBlockShelfAutoHide() const;
-
-  // Returns true if the message center bubble is visible.
-  bool IsMessageCenterBubbleVisible() const;
-
-  // Returns true if the mouse is inside the notification bubble.
-  bool IsMouseInNotificationBubble() const;
-
-  // Shows the message center bubble.
-  void ShowMessageCenterBubble();
-
-  // Called when the login status is changed.
-  void UpdateAfterLoginStatusChange(LoginStatus login_status);
-
-  // Overridden from TrayBackgroundView.
-  void SetShelfAlignment(ShelfAlignment alignment) override;
-  void AnchorUpdated() override;
-  base::string16 GetAccessibleNameForTray() override;
-  void HideBubbleWithView(const views::TrayBubbleView* bubble_view) override;
-  void ClickedOutsideBubble() override;
-
-  // Overridden from ActionableView.
-  bool PerformAction(const ui::Event& event) override;
-
-  // Overridden from views::TrayBubbleView::Delegate.
-  void BubbleViewDestroyed() override;
-  void OnMouseEnteredView() override;
-  void OnMouseExitedView() override;
-  base::string16 GetAccessibleNameForBubble() override;
-  gfx::Rect GetAnchorRect(views::Widget* anchor_widget,
-                          AnchorType anchor_type,
-                          AnchorAlignment anchor_alignment) const override;
-  void OnBeforeBubbleWidgetInit(
-      views::Widget* anchor_widget,
-      views::Widget* bubble_widget,
-      views::Widget::InitParams* params) const override;
-  void HideBubble(const views::TrayBubbleView* bubble_view) override;
-
-  // Overridden from ButtonListener.
-  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
-
-  // Overridden from MessageCenterTrayDelegate.
-  void OnMessageCenterTrayChanged() override;
-  bool ShowMessageCenter() override;
-  void HideMessageCenter() override;
-  bool ShowPopups() override;
-  void HidePopups() override;
-  bool ShowNotifierSettings() override;
-  bool IsContextMenuEnabled() const override;
-  message_center::MessageCenterTray* GetMessageCenterTray() override;
-
-  // Overridden from SimpleMenuModel::Delegate.
-  bool IsCommandIdChecked(int command_id) const override;
-  bool IsCommandIdEnabled(int command_id) const override;
-  bool GetAcceleratorForCommandId(int command_id,
-                                  ui::Accelerator* accelerator) override;
-  void ExecuteCommand(int command_id, int event_flags) override;
-
-  message_center::MessageCenter* message_center() const;
-
- private:
-  friend class WebNotificationTrayTest;
-
-  FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, WebNotifications);
-  FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, WebNotificationPopupBubble);
-  FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest,
-                           ManyMessageCenterNotifications);
-  FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, ManyPopupNotifications);
-  FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, PopupShownOnBothDisplays);
-  FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, PopupAndSystemTray);
-  FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, PopupAndAutoHideShelf);
-
-  void UpdateTrayContent();
-
-  // The actual process to show the message center. Set |show_settings| to true
-  // if the message center should be initialized with the settings visible.
-  // Returns true if the center is successfully created.
-  bool ShowMessageCenterInternal(bool show_settings);
-
-  // Queries login status and the status area widget to determine visibility of
-  // the message center.
-  bool ShouldShowMessageCenter();
-
-  // Returns true if it should show the quiet mode menu.
-  bool ShouldShowQuietModeMenu(const ui::Event& event);
-
-  // Shows the quiet mode menu.
-  void ShowQuietModeMenu(const ui::Event& event);
-
-  // Creates the menu model for quiet mode and returns it.
-  ui::MenuModel* CreateQuietModeMenu();
-
-  WebNotificationBubbleWrapper* message_center_bubble() const {
-    return message_center_bubble_.get();
-  }
-
-  // Returns true if any user is logged in and the system is not at the screen
-  // for adding a secondary user.
-  bool IsLoggedIn() const;
-
-  // Testing accessors.
-  bool IsPopupVisible() const;
-  message_center::MessageCenterBubble* GetMessageCenterBubbleForTest();
-
-  StatusAreaWidget* status_area_widget_;
-  std::unique_ptr<message_center::MessageCenterTray> message_center_tray_;
-  std::unique_ptr<WebNotificationBubbleWrapper> message_center_bubble_;
-  std::unique_ptr<message_center::MessagePopupCollection> popup_collection_;
-  WebNotificationButton* button_;
-
-  bool show_message_center_on_unlock_;
-
-  bool should_update_tray_content_;
-
-  // True when the shelf auto hide behavior has to be blocked. Previously
-  // this was done by checking |message_center_bubble_| but actually
-  // the check can be called when creating this object, so it would cause
-  // flickers of the shelf from hidden to shown. See: crbug.com/181213
-  bool should_block_shelf_auto_hide_;
-
-  std::unique_ptr<AshPopupAlignmentDelegate> popup_alignment_delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebNotificationTray);
-};
-
-}  // namespace ash
-
-#endif  // ASH_SYSTEM_WEB_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_