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 38namespace WebCore { 39 40// Returns info for the default monitor if widget is NULL 41static 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 52static 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 68int 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 79int screenDepthPerComponent(Widget* widget) 80{ 81 // FIXME: Assumes RGB -- not sure if this is right. 82 return screenDepth(widget) / 3; 83} 84 85bool 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 96FloatRect screenRect(Widget* widget) 97{ 98 MONITORINFOEX monitorInfo = monitorInfoForWidget(widget); 99 return monitorInfo.rcMonitor; 100} 101 102FloatRect screenAvailableRect(Widget* widget) 103{ 104 MONITORINFOEX monitorInfo = monitorInfoForWidget(widget); 105 return monitorInfo.rcWork; 106} 107 108} // namespace WebCore 109