1 /*
2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2009 Torch Mobile, Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "config.h"
28 #include "PlatformScreen.h"
29
30 #include "HostWindow.h"
31 #include "IntRect.h"
32 #include "FloatRect.h"
33 #include "Frame.h"
34 #include "FrameView.h"
35 #include "Page.h"
36 #include <windows.h>
37
38 namespace WebCore {
39
40 // Returns info for the default monitor if widget is NULL
monitorInfoForWidget(Widget * widget)41 static MONITORINFOEX monitorInfoForWidget(Widget* widget)
42 {
43 HWND window = widget ? widget->root()->hostWindow()->platformPageClient() : 0;
44 HMONITOR monitor = MonitorFromWindow(window, MONITOR_DEFAULTTOPRIMARY);
45
46 MONITORINFOEX monitorInfo;
47 monitorInfo.cbSize = sizeof(MONITORINFOEX);
48 GetMonitorInfo(monitor, &monitorInfo);
49 return monitorInfo;
50 }
51
deviceInfoForWidget(Widget * widget)52 static DEVMODE deviceInfoForWidget(Widget* widget)
53 {
54 DEVMODE deviceInfo;
55 deviceInfo.dmSize = sizeof(DEVMODE);
56 deviceInfo.dmDriverExtra = 0;
57 #if OS(WINCE)
58 if (!EnumDisplaySettings(0, ENUM_CURRENT_SETTINGS, &deviceInfo))
59 deviceInfo.dmBitsPerPel = 16;
60 #else
61 MONITORINFOEX monitorInfo = monitorInfoForWidget(widget);
62 EnumDisplaySettings(monitorInfo.szDevice, ENUM_CURRENT_SETTINGS, &deviceInfo);
63 #endif
64
65 return deviceInfo;
66 }
67
screenDepth(Widget * widget)68 int screenDepth(Widget* widget)
69 {
70 DEVMODE deviceInfo = deviceInfoForWidget(widget);
71 if (deviceInfo.dmBitsPerPel == 32) {
72 // Some video drivers return 32, but this function is supposed to ignore the alpha
73 // component. See <http://webkit.org/b/42972>.
74 return 24;
75 }
76 return deviceInfo.dmBitsPerPel;
77 }
78
screenDepthPerComponent(Widget * widget)79 int screenDepthPerComponent(Widget* widget)
80 {
81 // FIXME: Assumes RGB -- not sure if this is right.
82 return screenDepth(widget) / 3;
83 }
84
screenIsMonochrome(Widget * widget)85 bool screenIsMonochrome(Widget* widget)
86 {
87 #if OS(WINCE)
88 // EnumDisplaySettings doesn't set dmColor in DEVMODE.
89 return false;
90 #else
91 DEVMODE deviceInfo = deviceInfoForWidget(widget);
92 return deviceInfo.dmColor == DMCOLOR_MONOCHROME;
93 #endif
94 }
95
screenRect(Widget * widget)96 FloatRect screenRect(Widget* widget)
97 {
98 MONITORINFOEX monitorInfo = monitorInfoForWidget(widget);
99 return monitorInfo.rcMonitor;
100 }
101
screenAvailableRect(Widget * widget)102 FloatRect screenAvailableRect(Widget* widget)
103 {
104 MONITORINFOEX monitorInfo = monitorInfoForWidget(widget);
105 return monitorInfo.rcWork;
106 }
107
108 } // namespace WebCore
109