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 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 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 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 79 int screenDepthPerComponent(Widget* widget) 80 { 81 // FIXME: Assumes RGB -- not sure if this is right. 82 return screenDepth(widget) / 3; 83 } 84 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 96 FloatRect screenRect(Widget* widget) 97 { 98 MONITORINFOEX monitorInfo = monitorInfoForWidget(widget); 99 return monitorInfo.rcMonitor; 100 } 101 102 FloatRect screenAvailableRect(Widget* widget) 103 { 104 MONITORINFOEX monitorInfo = monitorInfoForWidget(widget); 105 return monitorInfo.rcWork; 106 } 107 108 } // namespace WebCore 109
