1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 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 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 30 #include "config.h" 31 #include "core/frame/Screen.h" 32 33 #include "core/frame/FrameHost.h" 34 #include "core/frame/FrameView.h" 35 #include "core/frame/LocalFrame.h" 36 #include "core/frame/Settings.h" 37 #include "core/inspector/InspectorInstrumentation.h" 38 #include "platform/PlatformScreen.h" 39 #include "platform/geometry/FloatRect.h" 40 41 namespace blink { 42 43 Screen::Screen(LocalFrame* frame) 44 : DOMWindowProperty(frame) 45 { 46 } 47 48 unsigned Screen::height() const 49 { 50 if (!m_frame) 51 return 0; 52 FrameHost* host = m_frame->host(); 53 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk()) 54 return lroundf(screenRect(m_frame->view()).height() * host->deviceScaleFactor()); 55 return static_cast<unsigned>(screenRect(m_frame->view()).height()); 56 } 57 58 unsigned Screen::width() const 59 { 60 if (!m_frame) 61 return 0; 62 FrameHost* host = m_frame->host(); 63 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk()) 64 return lroundf(screenRect(m_frame->view()).width() * host->deviceScaleFactor()); 65 return static_cast<unsigned>(screenRect(m_frame->view()).width()); 66 } 67 68 unsigned Screen::colorDepth() const 69 { 70 if (!m_frame) 71 return 0; 72 return static_cast<unsigned>(screenDepth(m_frame->view())); 73 } 74 75 unsigned Screen::pixelDepth() const 76 { 77 if (!m_frame) 78 return 0; 79 return static_cast<unsigned>(screenDepth(m_frame->view())); 80 } 81 82 int Screen::availLeft() const 83 { 84 if (!m_frame) 85 return 0; 86 FrameHost* host = m_frame->host(); 87 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk()) 88 return lroundf(screenAvailableRect(m_frame->view()).x() * host->deviceScaleFactor()); 89 return static_cast<int>(screenAvailableRect(m_frame->view()).x()); 90 } 91 92 int Screen::availTop() const 93 { 94 if (!m_frame) 95 return 0; 96 FrameHost* host = m_frame->host(); 97 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk()) 98 return lroundf(screenAvailableRect(m_frame->view()).y() * host->deviceScaleFactor()); 99 return static_cast<int>(screenAvailableRect(m_frame->view()).y()); 100 } 101 102 unsigned Screen::availHeight() const 103 { 104 if (!m_frame) 105 return 0; 106 FrameHost* host = m_frame->host(); 107 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk()) 108 return lroundf(screenAvailableRect(m_frame->view()).height() * host->deviceScaleFactor()); 109 return static_cast<unsigned>(screenAvailableRect(m_frame->view()).height()); 110 } 111 112 unsigned Screen::availWidth() const 113 { 114 if (!m_frame) 115 return 0; 116 FrameHost* host = m_frame->host(); 117 if (host && host->settings().reportScreenSizeInPhysicalPixelsQuirk()) 118 return lroundf(screenAvailableRect(m_frame->view()).width() * host->deviceScaleFactor()); 119 return static_cast<unsigned>(screenAvailableRect(m_frame->view()).width()); 120 } 121 122 void Screen::trace(Visitor* visitor) 123 { 124 #if ENABLE(OILPAN) 125 HeapSupplementable<Screen>::trace(visitor); 126 #endif 127 DOMWindowProperty::trace(visitor); 128 } 129 130 } // namespace blink 131
