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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_MONITOR_MANAGER_H_ |
| 6 #define UI_AURA_MONITOR_MANAGER_H_ | 6 #define UI_AURA_MONITOR_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 Monitor; | 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 MonitorObserver; | 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 // MonitorManager creates, deletes and updates Monitor objects when |
| 28 // monitor configuration changes, and notifies MonitorObservers about | 28 // monitor 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 MonitorManager { |
| 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 monitor from string spec. 100+200-1440x800 creates monitor |
| 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 // monitor at the origin of the screen. An empty string creates |
| 44 // the monitor with default size. | 44 // the monitor 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 |gfx::Monitor::GetDefaultDeviceScaleFactor()| will be used if omitted. | 46 // or |gfx::Display::GetDefaultDeviceScaleFactor()| will be used if omitted. |
| 47 static gfx::Monitor CreateMonitorFromSpec(const std::string& spec); | 47 static gfx::Display CreateMonitorFromSpec(const std::string& spec); |
| 48 | 48 |
| 49 // A utility function to create a root window for primary monitor. | 49 // A utility function to create a root window for primary monitor. |
| 50 static RootWindow* CreateRootWindowForPrimaryMonitor(); | 50 static RootWindow* CreateRootWindowForPrimaryMonitor(); |
| 51 | 51 |
| 52 MonitorManager(); | 52 MonitorManager(); |
| 53 virtual ~MonitorManager(); | 53 virtual ~MonitorManager(); |
| 54 | 54 |
| 55 // Adds/removes MonitorObservers. | 55 // Adds/removes DisplayObservers. |
| 56 void AddObserver(MonitorObserver* observer); | 56 void AddObserver(DisplayObserver* observer); |
| 57 void RemoveObserver(MonitorObserver* observer); | 57 void RemoveObserver(DisplayObserver* observer); |
| 58 | 58 |
| 59 // Called when monitor configuration has changed. The new monitor | 59 // Called when monitor configuration has changed. The new monitor |
| 60 // configurations is passed as a vector of Monitor object, which | 60 // configurations is passed as a vector of Monitor object, which |
| 61 // contains each monitor's new infomration. | 61 // contains each monitor's new infomration. |
| 62 virtual void OnNativeMonitorsChanged( | 62 virtual void OnNativeMonitorsChanged( |
| 63 const std::vector<gfx::Monitor>& monitors) = 0; | 63 const std::vector<gfx::Display>& display) = 0; |
| 64 | 64 |
| 65 // Create a root window for given |monitor|. | 65 // Create a root window for given |monitor|. |
| 66 virtual RootWindow* CreateRootWindowForMonitor( | 66 virtual RootWindow* CreateRootWindowForMonitor( |
| 67 const gfx::Monitor& monitor) = 0; | 67 const gfx::Display& display) = 0; |
| 68 | 68 |
| 69 // Returns the monitor at |index|. The monitor at 0 is considered | 69 // Returns the display at |index|. The display at 0 is considered "primary". |
| 70 // "primary". | 70 virtual const gfx::Display& GetMonitorAt(size_t index) = 0; |
| 71 virtual const gfx::Monitor& GetMonitorAt(size_t index) = 0; | |
| 72 | 71 |
| 73 virtual size_t GetNumMonitors() const = 0; | 72 virtual size_t GetNumMonitors() const = 0; |
| 74 | 73 |
| 75 // Returns the monitor object nearest given |window|. | 74 // Returns the display object nearest given |window|. |
| 76 virtual const gfx::Monitor& GetMonitorNearestWindow( | 75 virtual const gfx::Display& GetMonitorNearestWindow( |
| 77 const Window* window) const = 0; | 76 const Window* window) const = 0; |
| 78 | 77 |
| 79 // Returns the monitor object nearest given |pint|. | 78 // Returns the monitor object nearest given |pint|. |
| 80 virtual const gfx::Monitor& GetMonitorNearestPoint( | 79 virtual const gfx::Display& GetMonitorNearestPoint( |
| 81 const gfx::Point& point) const = 0; | 80 const gfx::Point& point) const = 0; |
| 82 | 81 |
| 83 protected: | 82 protected: |
| 84 // Calls observers' OnMonitorBoundsChanged methods. | 83 // Calls observers' OnDisplayBoundsChanged methods. |
| 85 void NotifyBoundsChanged(const gfx::Monitor& monitor); | 84 void NotifyBoundsChanged(const gfx::Display& display); |
| 86 void NotifyMonitorAdded(const gfx::Monitor& monitor); | 85 void NotifyDisplayAdded(const gfx::Display& display); |
| 87 void NotifyMonitorRemoved(const gfx::Monitor& monitor); | 86 void NotifyDisplayRemoved(const gfx::Display& display); |
| 88 | 87 |
| 89 private: | 88 private: |
| 90 // If set before the RootWindow is created, the host window will cover the | 89 // 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 | 90 // entire monitor. Note that this can still be overridden via the |
| 92 // switches::kAuraHostWindowSize flag. | 91 // switches::kAuraHostWindowSize flag. |
| 93 static bool use_fullscreen_host_window_; | 92 static bool use_fullscreen_host_window_; |
| 94 | 93 |
| 95 ObserverList<MonitorObserver> observers_; | 94 ObserverList<DisplayObserver> observers_; |
| 96 DISALLOW_COPY_AND_ASSIGN(MonitorManager); | 95 DISALLOW_COPY_AND_ASSIGN(MonitorManager); |
| 97 }; | 96 }; |
| 98 | 97 |
| 99 } // namespace aura | 98 } // namespace aura |
| 100 | 99 |
| 101 #endif // UI_AURA_MONITOR_MANAGER_H_ | 100 #endif // UI_AURA_MONITOR_MANAGER_H_ |
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