Touch gestures for System Tray/ IME/ Stylus/ Notifications

ash/system/ime_menu/ime_menu_tray.h

 // Copyright 2016 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_IME_MENU_IME_MENU_TRAY_H_
 #define ASH_SYSTEM_IME_MENU_IME_MENU_TRAY_H_
 
 #include "ash/ash_export.h"
 #include "ash/public/interfaces/ime_info.mojom.h"
 #include "ash/system/ime/ime_observer.h"
@@ skipping 19 matching lines @@
 class ASH_EXPORT ImeMenuTray : public TrayBackgroundView,
                                public IMEObserver,
                                public views::TrayBubbleView::Delegate,
                                public keyboard::KeyboardControllerObserver,
                                public VirtualKeyboardObserver {
  public:
   explicit ImeMenuTray(Shelf* shelf);
   ~ImeMenuTray() override;
 
   // Shows the IME menu bubble and highlights the button.
   void ShowImeMenuBubble();

[msw, 2017/07/12 05:04:50]

Remove this function, as it's now redundant with ShowBubble().

[minch1, 2017/07/13 19:10:35]

Done.

 
   // Hides the IME menu bubble and lowlights the button.
   void HideImeMenuBubble();

[msw, 2017/07/12 05:04:50]

Remove this function, as it's now redundant with CloseBubble().

[minch1, 2017/07/13 19:10:35]

Done.

 
   // Returns true if the IME menu bubble has been shown.
   bool IsImeMenuBubbleShown();

[msw, 2017/07/12 05:04:51]

Remove this function, as it's now redundant with GetBubbleView().

[minch1, 2017/07/13 19:10:35]

Done.

 
   // Shows the virtual keyboard with the given keyset: emoji, handwriting or
   // voice.
   void ShowKeyboardWithKeyset(const std::string& keyset);
 
   // Returns true if the menu should show emoji, handwriting and voice buttons
   // on the bottom. Otherwise, the menu will show a 'Customize...' bottom row
   // for non-MD UI, and a Settings button in the title row for MD.
   bool ShouldShowBottomButtons();
 
   // Returns whether the virtual keyboard toggle should be shown in shown in the
   // opt-in IME menu.
   bool ShouldShowKeyboardToggle() const;
 
   // TrayBackgroundView:
   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;
+
+  // ui::EventHandler:

[msw, 2017/07/12 05:04:51]

nit: Since this interface is inherited via the subclassing of
TrayBackgroundView, you can remove this comment and combine this override into
the block above.

[minch1, 2017/07/13 19:10:35]

Done.

+  void OnGestureEvent(ui::GestureEvent* event) override;
 
   // IMEObserver:
   void OnIMERefresh() override;
   void OnIMEMenuActivationChanged(bool is_activated) override;
 
   // 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;
 
   // keyboard::KeyboardControllerObserver:
   void OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) override;
   void OnKeyboardClosed() override;
   void OnKeyboardHidden() override;
 
   // VirtualKeyboardObserver:
   void OnKeyboardSuppressionChanged(bool suppressed) override;
 
  private:
@@ skipping 25 matching lines @@
   bool voice_enabled_;
 
   base::WeakPtrFactory<ImeMenuTray> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ImeMenuTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_IME_MENU_IME_MENU_TRAY_H_