Introduce DisplayConfigurationController

ash/display/window_tree_host_manager.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_DISPLAY_DISPLAY_CONTROLLER_H_
 #define ASH_DISPLAY_DISPLAY_CONTROLLER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 104 matching lines @@
   // Returns the root window for primary display.
   aura::Window* GetPrimaryRootWindow();
 
   // Returns the root window for |display_id|.
   aura::Window* GetRootWindowForDisplayId(int64_t id);
 
   // Returns AshWTH for given display |id|. Call results in CHECK failure
   // if the WTH does not exist.
   AshWindowTreeHost* GetAshWindowTreeHostForDisplayId(int64_t id);
 
-  // Toggle mirror mode.
-  void ToggleMirrorMode();
-
-  // Swap primary and secondary display.
-  void SwapPrimaryDisplay();
+  // Swap primary and secondary display. Only used in tests; use
+  // DisplayConfigurationController::SetPrimaryDisplayId() instead.
+  void SwapPrimaryDisplayForTest();
 
   // Sets the ID of the primary display.  If the display is not connected, it
   // will switch the primary display when connected.
   void SetPrimaryDisplayId(int64_t id);
 
   // Sets primary display. This re-assigns the current root
   // window to given |display|.
   void SetPrimaryDisplay(const gfx::Display& display);
 
   // Closes all child windows in the all root windows.
@@ skipping 51 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(WindowTreeHostManagerTest, SecondaryDisplayLayout);
   friend class DisplayManager;
   friend class MirrorWindowController;
 
   // Creates a WindowTreeHost for |display| and stores it in the
   // |window_tree_hosts_| map.
   AshWindowTreeHost* AddWindowTreeHostForDisplay(
       const gfx::Display& display,
       const AshWindowTreeHostInitParams& params);
 
-  void OnFadeOutForSwapDisplayFinished();
-
-  void SetMirrorModeAfterAnimation(bool mirror);
-
   // Delete the AsWindowTreeHost. This does not remove the entry from
   // |window_tree_hosts_|. Caller has to explicitly remove it.
   void DeleteHost(AshWindowTreeHost* host_to_delete);
 
-  class DisplayChangeLimiter {
-   public:
-    DisplayChangeLimiter();
-
-    // Sets how long the throttling should last.
-    void SetThrottleTimeout(int64_t throttle_ms);
-
-    bool IsThrottled() const;
-
-   private:
-    // The time when the throttling ends.
-    base::Time throttle_timeout_;
-
-    DISALLOW_COPY_AND_ASSIGN(DisplayChangeLimiter);
-  };
-
-  // The limiter to throttle how fast a user can
-  // change the display configuration.
-  scoped_ptr<DisplayChangeLimiter> limiter_;
-
   typedef std::map<int64_t, AshWindowTreeHost*> WindowTreeHostMap;
   // The mapping from display ID to its window tree host.
   WindowTreeHostMap window_tree_hosts_;
 
   base::ObserverList<Observer, true> observers_;
 
   // Store the primary window tree host temporarily while replacing
   // display.
   AshWindowTreeHost* primary_tree_host_for_replace_;
 
@@ skipping 17 matching lines @@
   int64_t cursor_display_id_for_restore_;
 
   base::WeakPtrFactory<WindowTreeHostManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_CONTROLLER_H_