Linux: Refactor X11DesktopHandler

ui/views/widget/desktop_aura/x11_desktop_handler.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 UI_VIEWS_WIDGET_DESKTOP_AURA_X11_DESKTOP_HANDLER_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_X11_DESKTOP_HANDLER_H_
 
 #include <stdint.h>
 #include <X11/Xlib.h>
 // Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class.
@@ skipping 26 matching lines @@
   // Returns the singleton handler.
   static X11DesktopHandler* get();
 
   // Adds/removes X11DesktopHandlerObservers.
   void AddObserver(X11DesktopHandlerObserver* observer);
   void RemoveObserver(X11DesktopHandlerObserver* observer);
 
   // Gets the current workspace ID.
   std::string GetWorkspace();
 
-  // Gets/sets the X11 server time of the most recent mouse click, touch or
-  // key press on a Chrome window.
-  int wm_user_time_ms() const { return wm_user_time_ms_; }
-  void set_wm_user_time_ms(Time time_ms);
-
-  // Sends a request to the window manager to activate |window|.
-  // This method should only be called if the window is already mapped.
-  void ActivateWindow(::Window window);
-
-  // Attempts to get the window manager to deactivate |window| by moving it to
-  // the bottom of the stack. Regardless of whether |window| was actually
-  // deactivated, sets the window as inactive in our internal state.
-  void DeactivateWindow(::Window window);
-
-  // Checks if the current active window is |window|.
-  bool IsActiveWindow(::Window window) const;
-
-  // Processes activation/focus related events. Some of these events are
-  // dispatched to the X11 window dispatcher, and not to the X11 root-window
-  // dispatcher. The window dispatcher sends these events to here.
-  void ProcessXEvent(XEvent* event);
-
   // ui::PlatformEventDispatcher
   bool CanDispatchEvent(const ui::PlatformEvent& event) override;
   uint32_t DispatchEvent(const ui::PlatformEvent& event) override;
 
   // Overridden from aura::EnvObserver:
   void OnWindowInitialized(aura::Window* window) override;
   void OnWillDestroyEnv() override;
 
  private:
-  enum ActiveState {
-    ACTIVE,
-    NOT_ACTIVE
-  };
-
   X11DesktopHandler();
   ~X11DesktopHandler() override;
 
-  // Handles changes in activation.
-  void OnActiveWindowChanged(::Window window, ActiveState active_state);
-
   // Called when |window| has been created or destroyed. |window| may not be
   // managed by Chrome.
   void OnWindowCreatedOrDestroyed(int event_type, XID window);
 
   // Makes a round trip to the X server to get the current workspace.
   bool UpdateWorkspace();
 
   // The display and the native X window hosting the root window.
   XDisplay* xdisplay_;
 
   // The native root window.
   ::Window x_root_window_;
 
-  // The last known active X window
-  ::Window x_active_window_;
-
-  // The X11 server time of the most recent mouse click, touch, or key press
-  // on a Chrome window.
-  Time wm_user_time_ms_;
-
-  // The active window according to X11 server.
-  ::Window current_window_;
-
-  // Whether we should treat |current_window_| as active. In particular, we
-  // pretend that a window is deactivated after a call to DeactivateWindow().
-  ActiveState current_window_active_state_;
-
   ui::X11AtomCache atom_cache_;
 
-  bool wm_supports_active_window_;
-
   base::ObserverList<X11DesktopHandlerObserver> observers_;
 
   std::string workspace_;
 
   DISALLOW_COPY_AND_ASSIGN(X11DesktopHandler);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_X11_DESKTOP_HANDLER_H_