1 /* 2 * Copyright (C) 2012 Google 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 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 28 #include "platform/exported/WebScrollbarThemeClientImpl.h" 29 30 #include "platform/scroll/ScrollbarTheme.h" 31 32 namespace blink { 33 34 WebScrollbarThemeClientImpl::WebScrollbarThemeClientImpl(WebScrollbar* scrollbar) 35 : m_scrollbar(scrollbar) 36 { 37 ScrollbarTheme::theme()->registerScrollbar(this); 38 } 39 40 WebScrollbarThemeClientImpl::~WebScrollbarThemeClientImpl() 41 { 42 ScrollbarTheme::theme()->unregisterScrollbar(this); 43 } 44 45 int WebScrollbarThemeClientImpl::x() const 46 { 47 return location().x(); 48 } 49 50 int WebScrollbarThemeClientImpl::y() const 51 { 52 return location().y(); 53 } 54 55 int WebScrollbarThemeClientImpl::width() const 56 { 57 return size().width(); 58 } 59 60 int WebScrollbarThemeClientImpl::height() const 61 { 62 return size().height(); 63 } 64 65 IntSize WebScrollbarThemeClientImpl::size() const 66 { 67 return m_scrollbar->size(); 68 } 69 70 IntPoint WebScrollbarThemeClientImpl::location() const 71 { 72 return m_scrollbar->location(); 73 } 74 75 Widget* WebScrollbarThemeClientImpl::parent() const 76 { 77 // Unused by Chromium scrollbar themes. 78 ASSERT_NOT_REACHED(); 79 return 0; 80 } 81 82 Widget* WebScrollbarThemeClientImpl::root() const 83 { 84 // Unused by Chromium scrollbar themes. 85 ASSERT_NOT_REACHED(); 86 return 0; 87 } 88 89 void WebScrollbarThemeClientImpl::setFrameRect(const IntRect&) 90 { 91 // Unused by Chromium scrollbar themes. 92 ASSERT_NOT_REACHED(); 93 } 94 95 IntRect WebScrollbarThemeClientImpl::frameRect() const 96 { 97 return IntRect(location(), size()); 98 } 99 100 void WebScrollbarThemeClientImpl::invalidate() 101 { 102 // Unused by Chromium scrollbar themes. 103 ASSERT_NOT_REACHED(); 104 } 105 106 void WebScrollbarThemeClientImpl::invalidateRect(const IntRect&) 107 { 108 // Unused by Chromium scrollbar themes. 109 ASSERT_NOT_REACHED(); 110 } 111 112 ScrollbarOverlayStyle WebScrollbarThemeClientImpl::scrollbarOverlayStyle() const 113 { 114 return static_cast<ScrollbarOverlayStyle>(m_scrollbar->scrollbarOverlayStyle()); 115 } 116 117 void WebScrollbarThemeClientImpl::getTickmarks(Vector<IntRect>& tickmarks) const 118 { 119 WebVector<WebRect> webTickmarks; 120 m_scrollbar->getTickmarks(webTickmarks); 121 tickmarks.resize(webTickmarks.size()); 122 for (size_t i = 0; i < webTickmarks.size(); ++i) 123 tickmarks[i] = webTickmarks[i]; 124 } 125 126 bool WebScrollbarThemeClientImpl::isScrollableAreaActive() const 127 { 128 return m_scrollbar->isScrollableAreaActive(); 129 } 130 131 bool WebScrollbarThemeClientImpl::isScrollViewScrollbar() const 132 { 133 // Unused by Chromium scrollbar themes. 134 ASSERT_NOT_REACHED(); 135 return false; 136 } 137 138 IntPoint WebScrollbarThemeClientImpl::convertFromContainingWindow(const IntPoint& windowPoint) 139 { 140 // Unused by Chromium scrollbar themes. 141 ASSERT_NOT_REACHED(); 142 return windowPoint; 143 } 144 145 bool WebScrollbarThemeClientImpl::isCustomScrollbar() const 146 { 147 return m_scrollbar->isCustomScrollbar(); 148 } 149 150 ScrollbarOrientation WebScrollbarThemeClientImpl::orientation() const 151 { 152 return static_cast<ScrollbarOrientation>(m_scrollbar->orientation()); 153 } 154 155 bool WebScrollbarThemeClientImpl::isLeftSideVerticalScrollbar() const 156 { 157 return m_scrollbar->isLeftSideVerticalScrollbar(); 158 } 159 160 int WebScrollbarThemeClientImpl::value() const 161 { 162 return m_scrollbar->value(); 163 } 164 165 float WebScrollbarThemeClientImpl::currentPos() const 166 { 167 return value(); 168 } 169 170 int WebScrollbarThemeClientImpl::visibleSize() const 171 { 172 return totalSize() - maximum(); 173 } 174 175 int WebScrollbarThemeClientImpl::totalSize() const 176 { 177 return m_scrollbar->totalSize(); 178 } 179 180 int WebScrollbarThemeClientImpl::maximum() const 181 { 182 return m_scrollbar->maximum(); 183 } 184 185 ScrollbarControlSize WebScrollbarThemeClientImpl::controlSize() const 186 { 187 return static_cast<ScrollbarControlSize>(m_scrollbar->controlSize()); 188 } 189 190 ScrollbarPart WebScrollbarThemeClientImpl::pressedPart() const 191 { 192 return static_cast<ScrollbarPart>(m_scrollbar->pressedPart()); 193 } 194 195 ScrollbarPart WebScrollbarThemeClientImpl::hoveredPart() const 196 { 197 return static_cast<ScrollbarPart>(m_scrollbar->hoveredPart()); 198 } 199 200 void WebScrollbarThemeClientImpl::styleChanged() 201 { 202 ASSERT_NOT_REACHED(); 203 } 204 205 bool WebScrollbarThemeClientImpl::enabled() const 206 { 207 return m_scrollbar->enabled(); 208 } 209 210 void WebScrollbarThemeClientImpl::setEnabled(bool) 211 { 212 ASSERT_NOT_REACHED(); 213 } 214 215 bool WebScrollbarThemeClientImpl::isOverlayScrollbar() const 216 { 217 return m_scrollbar->isOverlay(); 218 } 219 220 bool WebScrollbarThemeClientImpl::isAlphaLocked() const 221 { 222 return m_scrollbar->isAlphaLocked(); 223 } 224 225 void WebScrollbarThemeClientImpl::setIsAlphaLocked(bool flag) 226 { 227 m_scrollbar->setIsAlphaLocked(flag); 228 } 229 230 } // namespace blink 231