| OLD | NEW |
| (Empty) |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef ASH_MONITOR_MONITOR_CONTROLLER_H_ | |
| 6 #define ASH_MONITOR_MONITOR_CONTROLLER_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <map> | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "ash/ash_export.h" | |
| 13 #include "base/basictypes.h" | |
| 14 #include "base/compiler_specific.h" | |
| 15 #include "ui/aura/display_observer.h" | |
| 16 #include "ui/aura/monitor_manager.h" | |
| 17 | |
| 18 namespace aura { | |
| 19 class Display; | |
| 20 class RootWindow; | |
| 21 } | |
| 22 | |
| 23 namespace ash { | |
| 24 namespace internal { | |
| 25 class RootWindowController; | |
| 26 | |
| 27 // MonitorController owns and maintains RootWindows for each attached | |
| 28 // display, keeping them in sync with display configuration changes. | |
| 29 // TODO(oshima): Rename MonitorXXX to DisplayXXX. | |
| 30 class ASH_EXPORT MonitorController : public aura::DisplayObserver { | |
| 31 public: | |
| 32 // Layout options where the secondary monitor should be positioned. | |
| 33 enum SecondaryDisplayLayout { | |
| 34 TOP, | |
| 35 RIGHT, | |
| 36 BOTTOM, | |
| 37 LEFT | |
| 38 }; | |
| 39 | |
| 40 MonitorController(); | |
| 41 virtual ~MonitorController(); | |
| 42 | |
| 43 // Initializes primary display. | |
| 44 void InitPrimaryDisplay(); | |
| 45 | |
| 46 // Initialize secondary display. This is separated because in non | |
| 47 // extended desktop mode, this creates background widgets, which | |
| 48 // requires other controllers. | |
| 49 void InitSecondaryDisplays(); | |
| 50 | |
| 51 // Returns the root window for primary display. | |
| 52 aura::RootWindow* GetPrimaryRootWindow(); | |
| 53 | |
| 54 // Closes all child windows in the all root windows. | |
| 55 void CloseChildWindows(); | |
| 56 | |
| 57 // Returns all root windows. In non extended desktop mode, this | |
| 58 // returns the primary root window only. | |
| 59 std::vector<aura::RootWindow*> GetAllRootWindows(); | |
| 60 | |
| 61 // Returns all oot window controllers. In non extended desktop | |
| 62 // mode, this return a RootWindowController for the primary root window only. | |
| 63 std::vector<internal::RootWindowController*> GetAllRootWindowControllers(); | |
| 64 | |
| 65 SecondaryDisplayLayout secondary_display_layout() const { | |
| 66 return secondary_display_layout_; | |
| 67 } | |
| 68 void SetSecondaryDisplayLayout(SecondaryDisplayLayout layout); | |
| 69 | |
| 70 // Warps the mouse cursor to an alternate root window when the | |
| 71 // |location_in_root|, which is the location of the mouse cursor, | |
| 72 // hits or exceeds the edge of the |root_window| and the mouse cursor | |
| 73 // is considered to be in an alternate display. Returns true if | |
| 74 // the cursor was moved. | |
| 75 bool WarpMouseCursorIfNecessary(aura::Window* root_window, | |
| 76 const gfx::Point& location_in_root); | |
| 77 | |
| 78 // aura::DisplayObserver overrides: | |
| 79 virtual void OnDisplayBoundsChanged( | |
| 80 const gfx::Display& display) OVERRIDE; | |
| 81 virtual void OnDisplayAdded(const gfx::Display& display) OVERRIDE; | |
| 82 virtual void OnDisplayRemoved(const gfx::Display& display) OVERRIDE; | |
| 83 | |
| 84 // Is extended desktop enabled? | |
| 85 static bool IsExtendedDesktopEnabled(); | |
| 86 // Change the extended desktop mode. Used for testing. | |
| 87 static void SetExtendedDesktopEnabled(bool enabled); | |
| 88 | |
| 89 // Is virtual screen coordinates enabled? | |
| 90 static bool IsVirtualScreenCoordinatesEnabled(); | |
| 91 // Turns on/off the virtual screen coordinates. | |
| 92 static void SetVirtualScreenCoordinatesEnabled(bool enabled); | |
| 93 | |
| 94 private: | |
| 95 // Creates a root window for |display| and stores it in the |root_windows_| | |
| 96 // map. | |
| 97 aura::RootWindow* AddRootWindowForDisplay(const gfx::Display& display); | |
| 98 | |
| 99 std::map<int, aura::RootWindow*> root_windows_; | |
| 100 | |
| 101 SecondaryDisplayLayout secondary_display_layout_; | |
| 102 | |
| 103 DISALLOW_COPY_AND_ASSIGN(MonitorController); | |
| 104 }; | |
| 105 | |
| 106 } // namespace internal | |
| 107 } // namespace ash | |
| 108 | |
| 109 #endif // ASH_MONITOR_MONITOR_CONTROLLER_H_ | |
| OLD | NEW |