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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_MULTI_MONITOR_MANAGER_H_ | |
6 #define ASH_MONITOR_MULTI_MONITOR_MANAGER_H_ | |
7 #pragma once | |
8 | |
9 #include <vector> | |
10 | |
11 #include "ash/ash_export.h" | |
12 #include "base/compiler_specific.h" | |
13 #include "base/gtest_prod_util.h" | |
14 #include "ui/aura/monitor_manager.h" | |
15 #include "ui/aura/root_window_observer.h" | |
16 #include "ui/aura/window.h" | |
17 | |
18 namespace gfx { | |
19 class Insets; | |
20 class Display; | |
21 } | |
22 | |
23 namespace ash { | |
24 namespace internal { | |
25 | |
26 // MultiMonitorManager maintains the current monitor configurations, | |
27 // and notifies observers when configuration changes. | |
28 // This is exported for unittest. | |
29 // | |
30 // TODO(oshima): gfx::Screen needs to return translated coordinates | |
31 // if the root window is translated. crbug.com/119268. | |
32 class ASH_EXPORT MultiMonitorManager : public aura::MonitorManager, | |
33 public aura::RootWindowObserver { | |
34 public: | |
35 MultiMonitorManager(); | |
36 virtual ~MultiMonitorManager(); | |
37 | |
38 // Used to emulate monitor change when run in a desktop environment instead | |
39 // of on a device. | |
40 static void AddRemoveMonitor(); | |
41 static void CycleMonitor(); | |
42 static void ToggleMonitorScale(); | |
43 | |
44 bool UpdateWorkAreaOfMonitorNearestWindow(const aura::Window* window, | |
45 const gfx::Insets& insets); | |
46 | |
47 // MonitorManager overrides: | |
48 virtual void OnNativeMonitorsChanged( | |
49 const std::vector<gfx::Display>& displays) OVERRIDE; | |
50 virtual aura::RootWindow* CreateRootWindowForMonitor( | |
51 const gfx::Display& display) OVERRIDE; | |
52 virtual const gfx::Display& GetDisplayAt(size_t index) OVERRIDE; | |
53 | |
54 virtual size_t GetNumDisplays() const OVERRIDE; | |
55 virtual const gfx::Display& GetDisplayNearestPoint( | |
56 const gfx::Point& point) const OVERRIDE; | |
57 virtual const gfx::Display& GetDisplayNearestWindow( | |
58 const aura::Window* window) const OVERRIDE; | |
59 | |
60 // RootWindowObserver overrides: | |
61 virtual void OnRootWindowResized(const aura::RootWindow* root, | |
62 const gfx::Size& new_size) OVERRIDE; | |
63 | |
64 private: | |
65 FRIEND_TEST_ALL_PREFIXES(ExtendedDesktopTest, ConvertPoint); | |
66 typedef std::vector<gfx::Display> Displays; | |
67 | |
68 void Init(); | |
69 void AddRemoveMonitorImpl(); | |
70 void CycleMonitorImpl(); | |
71 void ScaleMonitorImpl(); | |
72 gfx::Display& FindDisplayForRootWindow(const aura::RootWindow* root); | |
73 | |
74 Displays displays_; | |
75 | |
76 DISALLOW_COPY_AND_ASSIGN(MultiMonitorManager); | |
77 }; | |
78 | |
79 extern const aura::WindowProperty<int>* const kMonitorIdKey; | |
80 | |
81 } // namespace internal | |
82 } // namespace ash | |
83 | |
84 #endif // ASH_MONITOR_MULTI_MONITOR_MANAGER_H_ | |
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