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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef UI_AURA_MONITOR_MANAGER_H_ | 5 #ifndef UI_AURA_DISPLAY_MANAGER_H_ |
| 6 #define UI_AURA_MONITOR_MANAGER_H_ | 6 #define UI_AURA_DISPLAY_MANAGER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <string> | 9 #include <string> |
| 10 #include <vector> | 10 #include <vector> |
| 11 | 11 |
| 12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
| 13 #include "base/observer_list.h" | 13 #include "base/observer_list.h" |
| 14 #include "ui/aura/aura_export.h" | 14 #include "ui/aura/aura_export.h" |
| 15 | 15 |
| 16 namespace gfx { | 16 namespace gfx { |
| 17 class Display; | 17 class Display; |
| 18 class Point; | 18 class Point; |
| 19 class Size; | 19 class Size; |
| 20 } | 20 } |
| 21 | 21 |
| 22 namespace aura { | 22 namespace aura { |
| 23 class DisplayObserver; | 23 class DisplayObserver; |
| 24 class RootWindow; | 24 class RootWindow; |
| 25 class Window; | 25 class Window; |
| 26 | 26 |
| 27 // MonitorManager creates, deletes and updates Monitor objects when | 27 // DisplayManager creates, deletes and updates Display objects when |
| 28 // monitor configuration changes, and notifies DisplayObservers about | 28 // display configuration changes, and notifies DisplayObservers about |
| 29 // the change. This is owned by Env and its lifetime is longer than | 29 // the change. This is owned by Env and its lifetime is longer than |
| 30 // any windows. | 30 // any windows. |
| 31 class AURA_EXPORT MonitorManager { | 31 class AURA_EXPORT DisplayManager { |
| 32 public: | 32 public: |
| 33 static void set_use_fullscreen_host_window(bool use_fullscreen) { | 33 static void set_use_fullscreen_host_window(bool use_fullscreen) { |
| 34 use_fullscreen_host_window_ = use_fullscreen; | 34 use_fullscreen_host_window_ = use_fullscreen; |
| 35 } | 35 } |
| 36 static bool use_fullscreen_host_window() { | 36 static bool use_fullscreen_host_window() { |
| 37 return use_fullscreen_host_window_; | 37 return use_fullscreen_host_window_; |
| 38 } | 38 } |
| 39 | 39 |
| 40 // Creates a monitor from string spec. 100+200-1440x800 creates monitor | 40 // Creates a display from string spec. 100+200-1440x800 creates display |
| 41 // whose size is 1440x800 at the location (100, 200) in screen's coordinates. | 41 // whose size is 1440x800 at the location (100, 200) in screen's coordinates. |
| 42 // The location can be omitted and be just "1440x800", which creates | 42 // The location can be omitted and be just "1440x800", which creates |
| 43 // monitor at the origin of the screen. An empty string creates | 43 // display at the origin of the screen. An empty string creates |
| 44 // the monitor with default size. | 44 // the display with default size. |
| 45 // The device scale factor can be specified by "*", like "1280x780*2", | 45 // The device scale factor can be specified by "*", like "1280x780*2", |
| 46 // or will use the value of |gfx::Display::GetForcedDeviceScaleFactor()| if | 46 // or will use the value of |gfx::Display::GetForcedDeviceScaleFactor()| if |
| 47 // --force-device-scale-factor is specified. | 47 // --force-device-scale-factor is specified. |
| 48 static gfx::Display CreateMonitorFromSpec(const std::string& spec); | 48 static gfx::Display CreateDisplayFromSpec(const std::string& spec); |
| 49 | 49 |
| 50 // A utility function to create a root window for primary monitor. | 50 // A utility function to create a root window for primary display. |
| 51 static RootWindow* CreateRootWindowForPrimaryMonitor(); | 51 static RootWindow* CreateRootWindowForPrimaryDisplay(); |
| 52 | 52 |
| 53 MonitorManager(); | 53 DisplayManager(); |
| 54 virtual ~MonitorManager(); | 54 virtual ~DisplayManager(); |
| 55 | 55 |
| 56 // Adds/removes DisplayObservers. | 56 // Adds/removes DisplayObservers. |
| 57 void AddObserver(DisplayObserver* observer); | 57 void AddObserver(DisplayObserver* observer); |
| 58 void RemoveObserver(DisplayObserver* observer); | 58 void RemoveObserver(DisplayObserver* observer); |
| 59 | 59 |
| 60 // Called when monitor configuration has changed. The new monitor | 60 // Called when display configuration has changed. The new display |
| 61 // configurations is passed as a vector of Monitor object, which | 61 // configurations is passed as a vector of Display object, which |
| 62 // contains each monitor's new infomration. | 62 // contains each display's new infomration. |
| 63 virtual void OnNativeMonitorsChanged( | 63 virtual void OnNativeDisplaysChanged( |
| 64 const std::vector<gfx::Display>& display) = 0; | 64 const std::vector<gfx::Display>& display) = 0; |
| 65 | 65 |
| 66 // Create a root window for given |monitor|. | 66 // Create a root window for given |display|. |
| 67 virtual RootWindow* CreateRootWindowForMonitor( | 67 virtual RootWindow* CreateRootWindowForDisplay( |
| 68 const gfx::Display& display) = 0; | 68 const gfx::Display& display) = 0; |
| 69 | 69 |
| 70 // Returns the display at |index|. The display at 0 is considered "primary". | 70 // Returns the display at |index|. The display at 0 is considered "primary". |
| 71 virtual const gfx::Display& GetDisplayAt(size_t index) = 0; | 71 virtual const gfx::Display& GetDisplayAt(size_t index) = 0; |
| 72 | 72 |
| 73 virtual size_t GetNumDisplays() const = 0; | 73 virtual size_t GetNumDisplays() const = 0; |
| 74 | 74 |
| 75 // Returns the display object nearest given |window|. | 75 // Returns the display object nearest given |window|. |
| 76 virtual const gfx::Display& GetDisplayNearestWindow( | 76 virtual const gfx::Display& GetDisplayNearestWindow( |
| 77 const Window* window) const = 0; | 77 const Window* window) const = 0; |
| 78 | 78 |
| 79 // Returns the monitor object nearest given |pint|. | 79 // Returns the display object nearest given |pint|. |
| 80 virtual const gfx::Display& GetDisplayNearestPoint( | 80 virtual const gfx::Display& GetDisplayNearestPoint( |
| 81 const gfx::Point& point) const = 0; | 81 const gfx::Point& point) const = 0; |
| 82 | 82 |
| 83 protected: | 83 protected: |
| 84 // Calls observers' OnDisplayBoundsChanged methods. | 84 // Calls observers' OnDisplayBoundsChanged methods. |
| 85 void NotifyBoundsChanged(const gfx::Display& display); | 85 void NotifyBoundsChanged(const gfx::Display& display); |
| 86 void NotifyDisplayAdded(const gfx::Display& display); | 86 void NotifyDisplayAdded(const gfx::Display& display); |
| 87 void NotifyDisplayRemoved(const gfx::Display& display); | 87 void NotifyDisplayRemoved(const gfx::Display& display); |
| 88 | 88 |
| 89 private: | 89 private: |
| 90 // If set before the RootWindow is created, the host window will cover the | 90 // If set before the RootWindow is created, the host window will cover the |
| 91 // entire monitor. Note that this can still be overridden via the | 91 // entire display. Note that this can still be overridden via the |
| 92 // switches::kAuraHostWindowSize flag. | 92 // switches::kAuraHostWindowSize flag. |
| 93 static bool use_fullscreen_host_window_; | 93 static bool use_fullscreen_host_window_; |
| 94 | 94 |
| 95 ObserverList<DisplayObserver> observers_; | 95 ObserverList<DisplayObserver> observers_; |
| 96 DISALLOW_COPY_AND_ASSIGN(MonitorManager); | 96 DISALLOW_COPY_AND_ASSIGN(DisplayManager); |
| 97 }; | 97 }; |
| 98 | 98 |
| 99 } // namespace aura | 99 } // namespace aura |
| 100 | 100 |
| 101 #endif // UI_AURA_MONITOR_MANAGER_H_ | 101 #endif // UI_AURA_DISPLAY_MANAGER_H_ |
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