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| 1 /* | |
| 2 * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved. | |
| 3 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 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 "core/platform/Widget.h" | |
| 29 | |
| 30 #include "platform/HostWindow.h" | |
| 31 #include "platform/geometry/IntRect.h" | |
| 32 | |
| 33 #include "wtf/Assertions.h" | |
| 34 | |
| 35 namespace WebCore { | |
| 36 | |
| 37 Widget::Widget() | |
| 38 : m_parent(0) | |
| 39 , m_selfVisible(false) | |
| 40 , m_parentVisible(false) | |
| 41 { | |
| 42 } | |
| 43 | |
| 44 Widget::~Widget() | |
| 45 { | |
| 46 ASSERT(!parent()); | |
| 47 } | |
| 48 | |
| 49 void Widget::setCursor(const Cursor& cursor) | |
| 50 { | |
| 51 if (Widget* view = root()) | |
| 52 view->hostWindow()->setCursor(cursor); | |
| 53 } | |
| 54 | |
| 55 void Widget::setParent(Widget* widget) | |
| 56 { | |
| 57 ASSERT(!widget || !m_parent); | |
| 58 if (!widget || !widget->isVisible()) | |
| 59 setParentVisible(false); | |
| 60 m_parent = widget; | |
| 61 if (widget && widget->isVisible()) | |
| 62 setParentVisible(true); | |
| 63 } | |
| 64 | |
| 65 Widget* Widget::root() const | |
| 66 { | |
| 67 const Widget* top = this; | |
| 68 while (top->parent()) | |
| 69 top = top->parent(); | |
| 70 if (top->isFrameView()) | |
| 71 return const_cast<Widget*>(static_cast<const Widget*>(top)); | |
| 72 return 0; | |
| 73 } | |
| 74 | |
| 75 HostWindow* Widget::hostWindow() const | |
| 76 { | |
| 77 if (root()) | |
| 78 root()->hostWindow(); | |
| 79 ASSERT_NOT_REACHED(); | |
| 80 return 0; | |
| 81 } | |
| 82 | |
| 83 IntRect Widget::convertFromRootView(const IntRect& rootRect) const | |
| 84 { | |
| 85 if (const Widget* parentWidget = parent()) { | |
| 86 IntRect parentRect = parentWidget->convertFromRootView(rootRect); | |
| 87 return convertFromContainingView(parentRect); | |
| 88 } | |
| 89 return rootRect; | |
| 90 } | |
| 91 | |
| 92 IntRect Widget::convertToRootView(const IntRect& localRect) const | |
| 93 { | |
| 94 if (const Widget* parentWidget = parent()) { | |
| 95 IntRect parentRect = convertToContainingView(localRect); | |
| 96 return parentWidget->convertToRootView(parentRect); | |
| 97 } | |
| 98 return localRect; | |
| 99 } | |
| 100 | |
| 101 IntPoint Widget::convertFromRootView(const IntPoint& rootPoint) const | |
| 102 { | |
| 103 if (const Widget* parentWidget = parent()) { | |
| 104 IntPoint parentPoint = parentWidget->convertFromRootView(rootPoint); | |
| 105 return convertFromContainingView(parentPoint); | |
| 106 } | |
| 107 return rootPoint; | |
| 108 } | |
| 109 | |
| 110 IntPoint Widget::convertToRootView(const IntPoint& localPoint) const | |
| 111 { | |
| 112 if (const Widget* parentWidget = parent()) { | |
| 113 IntPoint parentPoint = convertToContainingView(localPoint); | |
| 114 return parentWidget->convertToRootView(parentPoint); | |
| 115 } | |
| 116 return localPoint; | |
| 117 } | |
| 118 | |
| 119 IntRect Widget::convertFromContainingWindow(const IntRect& windowRect) const | |
| 120 { | |
| 121 if (const Widget* parentWidget = parent()) { | |
| 122 IntRect parentRect = parentWidget->convertFromContainingWindow(windowRec
t); | |
| 123 return convertFromContainingView(parentRect); | |
| 124 } | |
| 125 return windowRect; | |
| 126 } | |
| 127 | |
| 128 IntRect Widget::convertToContainingWindow(const IntRect& localRect) const | |
| 129 { | |
| 130 if (const Widget* parentWidget = parent()) { | |
| 131 IntRect parentRect = convertToContainingView(localRect); | |
| 132 return parentWidget->convertToContainingWindow(parentRect); | |
| 133 } | |
| 134 return localRect; | |
| 135 } | |
| 136 | |
| 137 IntPoint Widget::convertFromContainingWindow(const IntPoint& windowPoint) const | |
| 138 { | |
| 139 if (const Widget* parentWidget = parent()) { | |
| 140 IntPoint parentPoint = parentWidget->convertFromContainingWindow(windowP
oint); | |
| 141 return convertFromContainingView(parentPoint); | |
| 142 } | |
| 143 return windowPoint; | |
| 144 } | |
| 145 | |
| 146 IntPoint Widget::convertToContainingWindow(const IntPoint& localPoint) const | |
| 147 { | |
| 148 if (const Widget* parentWidget = parent()) { | |
| 149 IntPoint parentPoint = convertToContainingView(localPoint); | |
| 150 return parentWidget->convertToContainingWindow(parentPoint); | |
| 151 } | |
| 152 return localPoint; | |
| 153 } | |
| 154 | |
| 155 IntRect Widget::convertToContainingView(const IntRect& localRect) const | |
| 156 { | |
| 157 if (const Widget* parentWidget = parent()) { | |
| 158 IntRect parentRect(localRect); | |
| 159 parentRect.setLocation(parentWidget->convertChildToSelf(this, localRect.
location())); | |
| 160 return parentRect; | |
| 161 } | |
| 162 return localRect; | |
| 163 } | |
| 164 | |
| 165 IntRect Widget::convertFromContainingView(const IntRect& parentRect) const | |
| 166 { | |
| 167 if (const Widget* parentWidget = parent()) { | |
| 168 IntRect localRect = parentRect; | |
| 169 localRect.setLocation(parentWidget->convertSelfToChild(this, localRect.l
ocation())); | |
| 170 return localRect; | |
| 171 } | |
| 172 | |
| 173 return parentRect; | |
| 174 } | |
| 175 | |
| 176 IntPoint Widget::convertToContainingView(const IntPoint& localPoint) const | |
| 177 { | |
| 178 if (const Widget* parentWidget = parent()) | |
| 179 return parentWidget->convertChildToSelf(this, localPoint); | |
| 180 | |
| 181 return localPoint; | |
| 182 } | |
| 183 | |
| 184 IntPoint Widget::convertFromContainingView(const IntPoint& parentPoint) const | |
| 185 { | |
| 186 if (const Widget* parentWidget = parent()) | |
| 187 return parentWidget->convertSelfToChild(this, parentPoint); | |
| 188 | |
| 189 return parentPoint; | |
| 190 } | |
| 191 | |
| 192 IntPoint Widget::convertChildToSelf(const Widget*, const IntPoint& point) const | |
| 193 { | |
| 194 return point; | |
| 195 } | |
| 196 | |
| 197 IntPoint Widget::convertSelfToChild(const Widget*, const IntPoint& point) const | |
| 198 { | |
| 199 return point; | |
| 200 } | |
| 201 | |
| 202 } // namespace WebCore | |
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Chromium Code Reviews
Issue 27048004:
Move PlatformScreen, PlatformScreenChromium, and Widget to Source/platform (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink@master