Re-implement overscan & Implement Display Rotation

ash/display/display_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_MANAGER_H_
 #define ASH_DISPLAY_DISPLAY_MANAGER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 65 matching lines @@
       const gfx::Point& point_in_screen) const;
 
   // Registers the overscan insets for the display of the specified ID. Note
   // that the insets size should be specified in DIP size. It also triggers the
   // display's bounds change.
   void SetOverscanInsets(int64 display_id, const gfx::Insets& insets_in_dip);
 
   // Clears the overscan insets
   void ClearCustomOverscanInsets(int64 display_id);
 
+  // Sets the display's rotation.
+  void SetDisplayRotation(int64 display_id, DisplayInfo::Rotation rotation);
+
   // Returns the current overscan insets for the specified |display_id|.
   // Returns an empty insets (0, 0, 0, 0) if no insets are specified for
   // the display.
   gfx::Insets GetOverscanInsets(int64 display_id) const;
 
   // Called when display configuration has changed. The new display
   // configurations is passed as a vector of Display object, which
   // contains each display's new infomration.
   void OnNativeDisplaysChanged(
       const std::vector<DisplayInfo>& display_info_list);
@@ skipping 41 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(DisplayManagerTest,
                            NativeDisplaysChangedAfterPrimaryChange);
   FRIEND_TEST_ALL_PREFIXES(DisplayManagerTest, AutomaticOverscanInsets);
   friend class ash::AcceleratorControllerTest;
   friend class test::DisplayManagerTestApi;
   friend class DisplayManagerTest;
   friend class test::SystemGestureEventFilterTest;
 
   typedef std::vector<gfx::Display> DisplayList;
 
+  void set_change_display_upon_host_resize(bool value) {
+    change_display_upon_host_resize_ = value;
+  }
+
   void Init();
   void CycleDisplayImpl();
   void ScaleDisplayImpl();
 
   gfx::Display& FindDisplayForRootWindow(const aura::RootWindow* root);
   gfx::Display& FindDisplayForId(int64 id);
 
   // Refer to |CreateDisplayFromSpec| API for the format of |spec|.
   void AddDisplayFromSpec(const std::string& spec);
 
   // Checks if the mouse pointer is on one of displays, and moves to
   // the center of the nearest display if it's outside of all displays.
   void EnsurePointerInDisplays();
 
   // Inserts and update the DisplayInfo according to the overscan
   // state. Note that The DisplayInfo stored in the |internal_display_info_|
   // can be different from |new_info| (due to overscan state), so
   // you must use |GetDisplayInfo| to get the correct DisplayInfo for
   // a display.
-  void InsertAndUpdateDisplayInfo(const DisplayInfo& new_info,
-                                  bool can_overscan);
+  void InsertAndUpdateDisplayInfo(const DisplayInfo& new_info);
 
   // Creates a display object from the DisplayInfo for |display_id|.
   gfx::Display CreateDisplayFromDisplayInfoById(int64 display_id);
 
   int64 first_display_id_;
 
   DisplayList displays_;
 
   // An internal display info cache used when the internal display is
   // disconnectd.
   scoped_ptr<DisplayInfo> internal_display_info_;
 
   bool force_bounds_changed_;
 
   // The mapping from the display ID to its internal data.
   std::map<int64, DisplayInfo> display_info_;
 
+  // When set to true, the host window's resize event updates
+  // the display's size. This is set to true when running on
+  // desktop environment (for debugging) so that resizing the host
+  // window wil update the display properly. This is set to false
+  // on device as well as during the unit tests.
+  bool change_display_upon_host_resize_;
+
   DISALLOW_COPY_AND_ASSIGN(DisplayManager);
 };
 
 extern const aura::WindowProperty<int64>* const kDisplayIdKey;
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_MANAGER_H_