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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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