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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 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 #include "base/logging.h" | 5 #include "base/logging.h" |
6 #include "ui/gfx/screen.h" | 6 #include "ui/gfx/screen.h" |
7 #include "ui/gfx/screen_type_delegate.h" | |
8 | 7 |
9 namespace gfx { | 8 namespace gfx { |
10 | 9 |
11 namespace { | 10 namespace { |
12 | 11 |
13 Screen* g_screen_[SCREEN_TYPE_LAST + 1]; | 12 Screen* g_screen; |
14 ScreenTypeDelegate* g_screen_type_delegate_ = NULL; | |
15 | 13 |
16 } // namespace | 14 } // namespace |
17 | 15 |
18 Screen::Screen() { | 16 Screen::Screen() { |
19 } | 17 } |
20 | 18 |
21 Screen::~Screen() { | 19 Screen::~Screen() { |
22 } | 20 } |
23 | 21 |
24 // static | 22 // static |
25 Screen* Screen::GetScreenFor(NativeView view) { | 23 Screen* Screen::GetScreen() { |
26 ScreenType type = SCREEN_TYPE_NATIVE; | 24 DCHECK(g_screen); |
27 if (g_screen_type_delegate_) | 25 return g_screen; |
28 type = g_screen_type_delegate_->GetScreenTypeForNativeView(view); | |
29 if (type == SCREEN_TYPE_NATIVE) | |
30 return GetNativeScreen(); | |
31 DCHECK(g_screen_[type]); | |
32 return g_screen_[type]; | |
33 } | 26 } |
34 | 27 |
35 // static | 28 // static |
36 void Screen::SetScreenInstance(ScreenType type, Screen* instance) { | 29 void Screen::SetScreenInstance(Screen* instance) { |
37 DCHECK_LE(type, SCREEN_TYPE_LAST); | 30 g_screen = instance; |
38 g_screen_[type] = instance; | |
39 } | |
40 | |
41 // static | |
42 Screen* Screen::GetScreenByType(ScreenType type) { | |
43 return g_screen_[type]; | |
44 } | |
45 | |
46 // static | |
47 void Screen::SetScreenTypeDelegate(ScreenTypeDelegate* delegate) { | |
48 g_screen_type_delegate_ = delegate; | |
49 } | |
50 | |
51 // static | |
52 Screen* Screen::GetNativeScreen() { | |
53 if (!g_screen_[SCREEN_TYPE_NATIVE]) | |
54 g_screen_[SCREEN_TYPE_NATIVE] = CreateNativeScreen(); | |
55 return g_screen_[SCREEN_TYPE_NATIVE]; | |
56 } | 31 } |
57 | 32 |
58 } // namespace gfx | 33 } // namespace gfx |
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