Touch gestures for System Tray/ IME/ Stylus/ Notifications

ash/system/palette/palette_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_PALETTE_PALETTE_TRAY_H_
 #define ASH_SYSTEM_PALETTE_PALETTE_TRAY_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
@@ skipping 20 matching lines @@
 class PaletteToolManager;
 
 // The PaletteTray shows the palette in the bottom area of the screen. This
 // class also controls the lifetime for all of the tools available in the
 // palette. PaletteTray has one instance per-display. It is only made visible if
 // the display is primary and if the device has stylus hardware.
 class ASH_EXPORT PaletteTray : public TrayBackgroundView,
                                public SessionObserver,
                                public ShellObserver,
                                public PaletteToolManager::Delegate,
-                               public ui::InputDeviceEventObserver,
-                               public views::TrayBubbleView::Delegate {
+                               public ui::InputDeviceEventObserver {
  public:
   explicit PaletteTray(Shelf* shelf);
   ~PaletteTray() override;
 
-  // ActionableView:
-  bool PerformAction(const ui::Event& event) override;
-
   // SessionObserver:
   void OnSessionStateChanged(session_manager::SessionState state) override;
 
   // ShellObserver:
   void OnLockStateChanged(bool locked) override;
 
   // TrayBackgroundView:
   void ClickedOutsideBubble() override;
   base::string16 GetAccessibleNameForTray() override;
   void HideBubbleWithView(const views::TrayBubbleView* bubble_view) override;
   void AnchorUpdated() override;
   void Initialize() override;
+  bool PerformAction(const ui::Event& event) override;
+  void CloseBubble() override;
+  void ShowBubble() override;
+  views::TrayBubbleView* GetBubbleView() override;
 
   // PaletteToolManager::Delegate:
   void HidePalette() override;
   void HidePaletteImmediately() override;
   void RecordPaletteOptionsUsage(PaletteTrayOptions option) override;
   void RecordPaletteModeCancellation(PaletteModeCancelType type) override;
 
-  // Opens up the palette if it is not already open. Returns true if the palette
-  // was opened.
-  bool ShowPalette();
-
   // Returns true if the palette tray contains the given point. This is useful
   // for determining if an event should be propagated through to the palette.
   bool ContainsPointInScreen(const gfx::Point& point);
 
  private:
   // ui::InputDeviceObserver:
   void OnTouchscreenDeviceConfigurationChanged() override;
   void OnStylusStateChanged(ui::StylusState stylus_state) override;
 
   // views::TrayBubbleView::Delegate:
@@ skipping 45 matching lines @@
   ScopedSessionObserver scoped_session_observer_;
 
   base::WeakPtrFactory<PaletteTray> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PaletteTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_PALETTE_PALETTE_TRAY_H_