author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2006, 2008 Apple Inc. All rights reserved. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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* |
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*/ |
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#include "config.h" |
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#include "HitTestResult.h" |
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#include "Frame.h" |
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#include "FrameTree.h" |
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#include "HTMLAnchorElement.h" |
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#include "HTMLImageElement.h" |
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#include "HTMLInputElement.h" |
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#include "HTMLMediaElement.h" |
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#include "HTMLNames.h" |
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#include "RenderImage.h" |
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#include "Scrollbar.h" |
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#include "SelectionController.h" |
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#if ENABLE(SVG) |
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#include "SVGNames.h" |
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#include "XLinkNames.h" |
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#endif |
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#if ENABLE(WML) |
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#include "WMLImageElement.h" |
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#include "WMLNames.h" |
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#endif |
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namespace WebCore { |
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using namespace HTMLNames; |
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HitTestResult::HitTestResult(const IntPoint& point) |
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: m_point(point) |
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, m_isOverWidget(false) |
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, m_isRectBased(false) |
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{ |
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} |
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HitTestResult::HitTestResult(const IntPoint& centerPoint, const IntSize& padding) |
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: m_point(centerPoint) |
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, m_isOverWidget(false) |
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{ |
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// If a zero padding is passed in or either width or height is negative, then it |
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// is not a valid padding and hence not a rect based hit test. |
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m_isRectBased = !(padding.isZero() || (padding.width() < 0 || padding.height() < 0)); |
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m_padding = m_isRectBased ? padding : IntSize(); |
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} |
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|
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HitTestResult::HitTestResult(const HitTestResult& other) |
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: m_innerNode(other.innerNode()) |
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, m_innerNonSharedNode(other.innerNonSharedNode()) |
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, m_point(other.point()) |
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, m_localPoint(other.localPoint()) |
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, m_innerURLElement(other.URLElement()) |
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, m_scrollbar(other.scrollbar()) |
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, m_isOverWidget(other.isOverWidget()) |
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{ |
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// Only copy the padding and ListHashSet in case of rect hit test. |
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// Copying the later is rather expensive. |
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if ((m_isRectBased = other.isRectBasedTest())) { |
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m_padding = other.padding(); |
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m_rectBasedTestResult = other.rectBasedTestResult(); |
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} |
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} |
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|
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HitTestResult::~HitTestResult() |
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{ |
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} |
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|
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HitTestResult& HitTestResult::operator=(const HitTestResult& other) |
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{ |
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m_innerNode = other.innerNode(); |
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m_innerNonSharedNode = other.innerNonSharedNode(); |
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m_point = other.point(); |
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m_localPoint = other.localPoint(); |
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m_innerURLElement = other.URLElement(); |
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m_scrollbar = other.scrollbar(); |
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m_isOverWidget = other.isOverWidget(); |
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// Only copy the padding and ListHashSet in case of rect hit test. |
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// Copying the later is rather expensive. |
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if ((m_isRectBased = other.isRectBasedTest())) { |
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m_padding = other.padding(); |
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m_rectBasedTestResult = other.rectBasedTestResult(); |
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} |
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return *this; |
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|
103 |
} |
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|
104 |
|
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|
105 |
void HitTestResult::setToNonShadowAncestor() |
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|
106 |
{ |
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107 |
Node* node = innerNode(); |
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108 |
if (node) |
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|
109 |
node = node->shadowAncestorNode(); |
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110 |
setInnerNode(node); |
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|
111 |
node = innerNonSharedNode(); |
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112 |
if (node) |
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113 |
node = node->shadowAncestorNode(); |
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114 |
setInnerNonSharedNode(node); |
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|
115 |
} |
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116 |
|
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117 |
void HitTestResult::setInnerNode(Node* n) |
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118 |
{ |
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m_innerNode = n; |
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120 |
} |
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121 |
|
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122 |
void HitTestResult::setInnerNonSharedNode(Node* n) |
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123 |
{ |
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m_innerNonSharedNode = n; |
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125 |
} |
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126 |
|
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void HitTestResult::setURLElement(Element* n) |
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128 |
{ |
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m_innerURLElement = n; |
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130 |
} |
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131 |
|
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132 |
void HitTestResult::setScrollbar(Scrollbar* s) |
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133 |
{ |
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m_scrollbar = s; |
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135 |
} |
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|
136 |
|
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137 |
Frame* HitTestResult::targetFrame() const |
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138 |
{ |
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139 |
if (!m_innerURLElement) |
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140 |
return 0; |
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|
141 |
|
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142 |
Frame* frame = m_innerURLElement->document()->frame(); |
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143 |
if (!frame) |
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144 |
return 0; |
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|
145 |
|
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|
146 |
return frame->tree()->find(m_innerURLElement->target()); |
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147 |
} |
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|
148 |
|
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149 |
bool HitTestResult::isSelected() const |
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150 |
{ |
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|
151 |
if (!m_innerNonSharedNode) |
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152 |
return false; |
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|
153 |
|
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154 |
Frame* frame = m_innerNonSharedNode->document()->frame(); |
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155 |
if (!frame) |
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|
156 |
return false; |
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|
157 |
|
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|
158 |
return frame->selection()->contains(m_point); |
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|
159 |
} |
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|
160 |
|
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|
161 |
String HitTestResult::spellingToolTip(TextDirection& dir) const |
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|
162 |
{ |
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|
163 |
dir = LTR; |
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|
164 |
// Return the tool tip string associated with this point, if any. Only markers associated with bad grammar |
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|
165 |
// currently supply strings, but maybe someday markers associated with misspelled words will also. |
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|
166 |
if (!m_innerNonSharedNode) |
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|
167 |
return String(); |
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|
168 |
|
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|
169 |
DocumentMarker* marker = m_innerNonSharedNode->document()->markerContainingPoint(m_point, DocumentMarker::Grammar); |
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|
170 |
if (!marker) |
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|
171 |
return String(); |
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|
172 |
|
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|
173 |
if (RenderObject* renderer = m_innerNonSharedNode->renderer()) |
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|
174 |
dir = renderer->style()->direction(); |
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|
175 |
return marker->description; |
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|
176 |
} |
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|
177 |
|
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|
178 |
String HitTestResult::replacedString() const |
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|
179 |
{ |
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|
180 |
// Return the replaced string associated with this point, if any. This marker is created when a string is autocorrected, |
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|
181 |
// and is used for generating a contextual menu item that allows it to easily be changed back if desired. |
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|
182 |
if (!m_innerNonSharedNode) |
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|
183 |
return String(); |
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|
184 |
|
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|
185 |
DocumentMarker* marker = m_innerNonSharedNode->document()->markerContainingPoint(m_point, DocumentMarker::Replacement); |
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|
186 |
if (!marker) |
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|
187 |
return String(); |
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|
188 |
|
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|
189 |
return marker->description; |
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|
190 |
} |
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diff
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|
191 |
|
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|
192 |
String HitTestResult::title(TextDirection& dir) const |
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|
193 |
{ |
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|
194 |
dir = LTR; |
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|
195 |
// Find the title in the nearest enclosing DOM node. |
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|
196 |
// For <area> tags in image maps, walk the tree for the <area>, not the <img> using it. |
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|
197 |
for (Node* titleNode = m_innerNode.get(); titleNode; titleNode = titleNode->parentNode()) { |
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|
198 |
if (titleNode->isElementNode()) { |
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|
199 |
String title = static_cast<Element*>(titleNode)->title(); |
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|
200 |
if (!title.isEmpty()) { |
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|
201 |
if (RenderObject* renderer = titleNode->renderer()) |
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|
202 |
dir = renderer->style()->direction(); |
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|
203 |
return title; |
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|
204 |
} |
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|
205 |
} |
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|
206 |
} |
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|
207 |
return String(); |
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} |
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209 |
|
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210 |
String displayString(const String& string, const Node* node) |
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{ |
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if (!node) |
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return string; |
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return node->document()->displayStringModifiedByEncoding(string); |
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} |
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216 |
|
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217 |
String HitTestResult::altDisplayString() const |
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{ |
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if (!m_innerNonSharedNode) |
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return String(); |
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221 |
|
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if (m_innerNonSharedNode->hasTagName(imgTag)) { |
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HTMLImageElement* image = static_cast<HTMLImageElement*>(m_innerNonSharedNode.get()); |
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return displayString(image->getAttribute(altAttr), m_innerNonSharedNode.get()); |
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} |
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226 |
|
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if (m_innerNonSharedNode->hasTagName(inputTag)) { |
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HTMLInputElement* input = static_cast<HTMLInputElement*>(m_innerNonSharedNode.get()); |
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return displayString(input->alt(), m_innerNonSharedNode.get()); |
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} |
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231 |
|
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#if ENABLE(WML) |
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if (m_innerNonSharedNode->hasTagName(WMLNames::imgTag)) { |
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WMLImageElement* image = static_cast<WMLImageElement*>(m_innerNonSharedNode.get()); |
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return displayString(image->altText(), m_innerNonSharedNode.get()); |
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} |
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#endif |
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238 |
|
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return String(); |
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} |
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241 |
|
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Image* HitTestResult::image() const |
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243 |
{ |
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if (!m_innerNonSharedNode) |
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return 0; |
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246 |
|
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RenderObject* renderer = m_innerNonSharedNode->renderer(); |
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if (renderer && renderer->isImage()) { |
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RenderImage* image = static_cast<WebCore::RenderImage*>(renderer); |
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if (image->cachedImage() && !image->cachedImage()->errorOccurred()) |
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return image->cachedImage()->image(); |
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252 |
} |
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253 |
|
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return 0; |
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} |
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256 |
|
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IntRect HitTestResult::imageRect() const |
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258 |
{ |
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if (!image()) |
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return IntRect(); |
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return m_innerNonSharedNode->renderBox()->absoluteContentQuad().enclosingBoundingBox(); |
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} |
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263 |
|
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KURL HitTestResult::absoluteImageURL() const |
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265 |
{ |
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if (!(m_innerNonSharedNode && m_innerNonSharedNode->document())) |
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return KURL(); |
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268 |
|
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if (!(m_innerNonSharedNode->renderer() && m_innerNonSharedNode->renderer()->isImage())) |
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return KURL(); |
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|
271 |
|
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AtomicString urlString; |
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if (m_innerNonSharedNode->hasTagName(embedTag) |
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|| m_innerNonSharedNode->hasTagName(imgTag) |
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|| m_innerNonSharedNode->hasTagName(inputTag) |
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|| m_innerNonSharedNode->hasTagName(objectTag) |
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277 |
#if ENABLE(SVG) |
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|| m_innerNonSharedNode->hasTagName(SVGNames::imageTag) |
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#endif |
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#if ENABLE(WML) |
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|| m_innerNonSharedNode->hasTagName(WMLNames::imgTag) |
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282 |
#endif |
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283 |
) { |
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Element* element = static_cast<Element*>(m_innerNonSharedNode.get()); |
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urlString = element->getAttribute(element->imageSourceAttributeName()); |
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} else |
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return KURL(); |
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|
288 |
|
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return m_innerNonSharedNode->document()->completeURL(deprecatedParseURL(urlString)); |
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290 |
} |
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|
291 |
|
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292 |
KURL HitTestResult::absoluteMediaURL() const |
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293 |
{ |
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294 |
#if ENABLE(VIDEO) |
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if (!(m_innerNonSharedNode && m_innerNonSharedNode->document())) |
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296 |
return KURL(); |
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|
297 |
|
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298 |
if (!(m_innerNonSharedNode->renderer() && m_innerNonSharedNode->renderer()->isMedia())) |
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299 |
return KURL(); |
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300 |
|
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301 |
AtomicString urlString; |
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if (m_innerNonSharedNode->hasTagName(HTMLNames::videoTag) || m_innerNonSharedNode->hasTagName(HTMLNames::audioTag)) { |
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|
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HTMLMediaElement* mediaElement = static_cast<HTMLMediaElement*>(m_innerNonSharedNode.get()); |
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urlString = mediaElement->currentSrc(); |
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305 |
} else |
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306 |
return KURL(); |
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|
307 |
|
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return m_innerNonSharedNode->document()->completeURL(deprecatedParseURL(urlString)); |
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309 |
#else |
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310 |
return KURL(); |
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311 |
#endif |
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} |
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313 |
|
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314 |
KURL HitTestResult::absoluteLinkURL() const |
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315 |
{ |
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316 |
if (!(m_innerURLElement && m_innerURLElement->document())) |
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return KURL(); |
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318 |
|
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319 |
AtomicString urlString; |
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if (m_innerURLElement->hasTagName(aTag) || m_innerURLElement->hasTagName(areaTag) || m_innerURLElement->hasTagName(linkTag)) |
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321 |
urlString = m_innerURLElement->getAttribute(hrefAttr); |
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322 |
#if ENABLE(SVG) |
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323 |
else if (m_innerURLElement->hasTagName(SVGNames::aTag)) |
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urlString = m_innerURLElement->getAttribute(XLinkNames::hrefAttr); |
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325 |
#endif |
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326 |
#if ENABLE(WML) |
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else if (m_innerURLElement->hasTagName(WMLNames::aTag)) |
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urlString = m_innerURLElement->getAttribute(hrefAttr); |
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329 |
#endif |
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330 |
else |
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331 |
return KURL(); |
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332 |
|
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return m_innerURLElement->document()->completeURL(deprecatedParseURL(urlString)); |
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334 |
} |
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335 |
|
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336 |
bool HitTestResult::isLiveLink() const |
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337 |
{ |
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338 |
if (!(m_innerURLElement && m_innerURLElement->document())) |
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return false; |
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340 |
|
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if (m_innerURLElement->hasTagName(aTag)) |
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return static_cast<HTMLAnchorElement*>(m_innerURLElement.get())->isLiveLink(); |
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343 |
#if ENABLE(SVG) |
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if (m_innerURLElement->hasTagName(SVGNames::aTag)) |
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return m_innerURLElement->isLink(); |
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346 |
#endif |
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347 |
#if ENABLE(WML) |
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if (m_innerURLElement->hasTagName(WMLNames::aTag)) |
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349 |
return m_innerURLElement->isLink(); |
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350 |
#endif |
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|
351 |
|
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352 |
return false; |
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353 |
} |
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|
354 |
|
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355 |
String HitTestResult::titleDisplayString() const |
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356 |
{ |
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357 |
if (!m_innerURLElement) |
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358 |
return String(); |
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359 |
|
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return displayString(m_innerURLElement->title(), m_innerURLElement.get()); |
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361 |
} |
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362 |
|
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String HitTestResult::textContent() const |
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364 |
{ |
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if (!m_innerURLElement) |
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366 |
return String(); |
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return m_innerURLElement->textContent(); |
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368 |
} |
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369 |
|
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370 |
// FIXME: This function needs a better name and may belong in a different class. It's not |
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371 |
// really isContentEditable(); it's more like needsEditingContextMenu(). In many ways, this |
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372 |
// function would make more sense in the ContextMenu class, except that WebElementDictionary |
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373 |
// hooks into it. Anyway, we should architect this better. |
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374 |
bool HitTestResult::isContentEditable() const |
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375 |
{ |
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376 |
if (!m_innerNonSharedNode) |
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377 |
return false; |
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|
378 |
|
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379 |
if (m_innerNonSharedNode->hasTagName(textareaTag) || m_innerNonSharedNode->hasTagName(isindexTag)) |
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380 |
return true; |
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|
381 |
|
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382 |
if (m_innerNonSharedNode->hasTagName(inputTag)) |
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|
383 |
return static_cast<HTMLInputElement*>(m_innerNonSharedNode.get())->isTextField(); |
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|
384 |
|
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|
385 |
return m_innerNonSharedNode->isContentEditable(); |
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|
386 |
} |
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|
387 |
|
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|
388 |
bool HitTestResult::addNodeToRectBasedTestResult(Node* node, int x, int y, const IntRect& rect) |
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|
389 |
{ |
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|
390 |
// If it is not a rect-based hit test, this method has to be no-op. |
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|
391 |
// Return false, so the hit test stops. |
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392 |
if (!isRectBasedTest()) |
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|
393 |
return false; |
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|
394 |
|
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|
395 |
// If node is null, return true so the hit test can continue. |
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|
396 |
if (!node) |
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|
397 |
return true; |
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|
398 |
|
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|
399 |
node = node->shadowAncestorNode(); |
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|
400 |
m_rectBasedTestResult.add(node); |
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|
401 |
|
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|
402 |
return !rect.contains(rectFromPoint(x, y)); |
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|
403 |
} |
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Revision: 201037
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|
404 |
|
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Revision: 201037
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|
405 |
void HitTestResult::append(const HitTestResult& other) |
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|
406 |
{ |
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Revision: 201037
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|
407 |
ASSERT(isRectBasedTest() && other.isRectBasedTest()); |
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|
408 |
|
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Revision: 201037
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|
409 |
if (!m_innerNode && other.innerNode()) { |
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Revision: 201037
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|
410 |
m_innerNode = other.innerNode(); |
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|
411 |
m_innerNonSharedNode = other.innerNonSharedNode(); |
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|
412 |
m_localPoint = other.localPoint(); |
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Revision: 201037
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|
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m_innerURLElement = other.URLElement(); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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m_scrollbar = other.scrollbar(); |
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m_isOverWidget = other.isOverWidget(); |
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} |
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417 |
|
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const ListHashSet<RefPtr<Node> >& list = other.rectBasedTestResult(); |
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ListHashSet<RefPtr<Node> >::const_iterator last = list.end(); |
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for (ListHashSet<RefPtr<Node> >::const_iterator it = list.begin(); it != last; ++it) |
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m_rectBasedTestResult.add(it->get()); |
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} |
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423 |
|
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} // namespace WebCore |