Touch gestures for System Tray/ IME/ Stylus/ Notifications

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"
@@ skipping 54 matching lines @@
   // Returns the current tray bubble height or 0 if there is no bubble.
   int tray_bubble_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;
 
   // Shows the message center bubble.
   void ShowMessageCenterBubble();

[msw, 2017/07/12 05:04:53]

Remove this redundant function, move its impl to ShowBubble

[minch1, 2017/07/13 19:10:37]

Done.

 
   // Called when the login status is changed.
   void UpdateAfterLoginStatusChange(LoginStatus login_status);
 
   // Overridden from TrayBackgroundView.
   void UpdateAfterShelfAlignmentChange() override;
   void AnchorUpdated() override;
   base::string16 GetAccessibleNameForTray() override;
   void HideBubbleWithView(const views::TrayBubbleView* bubble_view) override;
   void ClickedOutsideBubble() override;
+  bool PerformAction(const ui::Event& event) override;
+  bool HasBubble() override;
+  void CloseBubble() override;
+  void ShowBubble() override;
+  views::TrayBubbleView* GetBubbleView() override;
 
-  // Overridden from ActionableView.
-  bool PerformAction(const ui::Event& event) override;
+  // ui::EventHandler:

[msw, 2017/07/12 05:04:52]

ditto

[minch1, 2017/07/13 19:10:37]

Done.

+  void OnGestureEvent(ui::GestureEvent* event) override;
 
   // Overridden from views::TrayBubbleView::Delegate.
   void BubbleViewDestroyed() override;
   void OnMouseEnteredView() override;
   void OnMouseExitedView() override;
   void RegisterAccelerators(const std::vector<ui::Accelerator>& accelerators,
                             views::TrayBubbleView* tray_bubble_view) override;
   void UnregisterAllAccelerators(
       views::TrayBubbleView* tray_bubble_view) override;
   base::string16 GetAccessibleNameForBubble() override;
   bool ShouldEnableExtraKeyboardAccessibility() override;
   void HideBubble(const views::TrayBubbleView* bubble_view) override;
+  bool ProcessGestureEventForBubble(ui::GestureEvent* 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;
@@ skipping 69 matching lines @@
   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_