author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 27 Apr 2010 17:46:17 +0300 | |
branch | RCL_3 |
changeset 67 | 4917f9bf7995 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
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* Copyright (C) 2000 Dirk Mueller (mueller@kde.org) |
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* Copyright (C) 2004, 2006, 2007 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 "RenderReplaced.h" |
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#include "RenderBlock.h" |
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#include "RenderLayer.h" |
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using namespace std; |
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namespace WebCore { |
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|
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typedef WTF::HashMap<const RenderReplaced*, IntRect> OverflowRectMap; |
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static OverflowRectMap* gOverflowRectMap = 0; |
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|
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RenderReplaced::RenderReplaced(Node* node) |
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: RenderBox(node) |
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, m_intrinsicSize(300, 150) |
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, m_selectionState(SelectionNone) |
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, m_hasOverflow(false) |
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{ |
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setReplaced(true); |
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} |
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|
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RenderReplaced::RenderReplaced(Node* node, const IntSize& intrinsicSize) |
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: RenderBox(node) |
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, m_intrinsicSize(intrinsicSize) |
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, m_selectionState(SelectionNone) |
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, m_hasOverflow(false) |
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{ |
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setReplaced(true); |
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} |
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RenderReplaced::~RenderReplaced() |
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{ |
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if (m_hasOverflow) |
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gOverflowRectMap->remove(this); |
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} |
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bool RenderReplaced::shouldPaint(PaintInfo& paintInfo, int& tx, int& ty) |
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{ |
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if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseOutline && paintInfo.phase != PaintPhaseSelfOutline |
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&& paintInfo.phase != PaintPhaseSelection) |
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return false; |
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if (!shouldPaintWithinRoot(paintInfo)) |
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return false; |
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// if we're invisible or haven't received a layout yet, then just bail. |
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if (style()->visibility() != VISIBLE) |
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return false; |
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int currentTX = tx + m_x; |
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int currentTY = ty + m_y; |
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// Early exit if the element touches the edges. |
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int top = currentTY + overflowTop(); |
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int bottom = currentTY + overflowHeight(); |
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if (isSelected() && m_inlineBoxWrapper) { |
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int selTop = ty + m_inlineBoxWrapper->root()->selectionTop(); |
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int selBottom = ty + selTop + m_inlineBoxWrapper->root()->selectionHeight(); |
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top = min(selTop, top); |
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bottom = max(selBottom, bottom); |
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} |
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int os = 2 * maximalOutlineSize(paintInfo.phase); |
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if (currentTX + overflowLeft() >= paintInfo.rect.right() + os || currentTX + overflowWidth() <= paintInfo.rect.x() - os) |
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return false; |
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if (top >= paintInfo.rect.bottom() + os || bottom <= paintInfo.rect.y() - os) |
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return false; |
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return true; |
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} |
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void RenderReplaced::calcPrefWidths() |
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{ |
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ASSERT(prefWidthsDirty()); |
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int width = calcReplacedWidth() + paddingLeft() + paddingRight() + borderLeft() + borderRight(); |
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if (style()->width().isPercent() || (style()->width().isAuto() && style()->height().isPercent())) { |
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m_minPrefWidth = 0; |
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m_maxPrefWidth = width; |
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} else |
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m_minPrefWidth = m_maxPrefWidth = width; |
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|
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setPrefWidthsDirty(false); |
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} |
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|
108 |
|
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short RenderReplaced::lineHeight(bool, bool) const |
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{ |
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return height() + marginTop() + marginBottom(); |
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} |
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113 |
|
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short RenderReplaced::baselinePosition(bool, bool) const |
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115 |
{ |
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return height() + marginTop() + marginBottom(); |
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} |
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118 |
|
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119 |
int RenderReplaced::caretMinOffset() const |
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{ |
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return 0; |
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} |
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|
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// Returns 1 since a replaced element can have the caret positioned |
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// at its beginning (0), or at its end (1). |
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// NOTE: Yet, "select" elements can have any number of "option" elements |
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// as children, so this "0 or 1" idea does not really hold up. |
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int RenderReplaced::caretMaxOffset() const |
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{ |
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return 1; |
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} |
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132 |
|
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unsigned RenderReplaced::caretMaxRenderedOffset() const |
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{ |
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return 1; |
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} |
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|
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VisiblePosition RenderReplaced::positionForCoordinates(int x, int y) |
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{ |
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InlineBox* box = inlineBoxWrapper(); |
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if (!box) |
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return VisiblePosition(element(), 0, DOWNSTREAM); |
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143 |
|
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144 |
// FIXME: This code is buggy if the replaced element is relative positioned. |
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|
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RootInlineBox* root = box->root(); |
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|
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int top = root->topOverflow(); |
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int bottom = root->nextRootBox() ? root->nextRootBox()->topOverflow() : root->bottomOverflow(); |
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150 |
|
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151 |
if (y + yPos() < top) |
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152 |
return VisiblePosition(element(), caretMinOffset(), DOWNSTREAM); // coordinates are above |
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153 |
|
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154 |
if (y + yPos() >= bottom) |
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155 |
return VisiblePosition(element(), caretMaxOffset(), DOWNSTREAM); // coordinates are below |
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156 |
|
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157 |
if (element()) { |
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if (x <= width() / 2) |
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159 |
return VisiblePosition(element(), 0, DOWNSTREAM); |
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return VisiblePosition(element(), 1, DOWNSTREAM); |
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161 |
} |
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162 |
|
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163 |
return RenderBox::positionForCoordinates(x, y); |
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164 |
} |
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|
165 |
|
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166 |
IntRect RenderReplaced::selectionRect(bool clipToVisibleContent) |
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167 |
{ |
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|
168 |
ASSERT(!needsLayout()); |
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169 |
|
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170 |
if (!isSelected()) |
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171 |
return IntRect(); |
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172 |
if (!m_inlineBoxWrapper) |
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173 |
// We're a block-level replaced element. Just return our own dimensions. |
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174 |
return absoluteBoundingBoxRect(); |
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|
175 |
|
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|
176 |
RenderBlock* cb = containingBlock(); |
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177 |
if (!cb) |
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|
178 |
return IntRect(); |
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|
179 |
|
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180 |
RootInlineBox* root = m_inlineBoxWrapper->root(); |
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|
181 |
IntRect rect(0, root->selectionTop() - yPos(), width(), root->selectionHeight()); |
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|
182 |
|
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|
183 |
if (clipToVisibleContent) |
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|
184 |
computeAbsoluteRepaintRect(rect); |
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|
185 |
else { |
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|
186 |
int absx, absy; |
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|
187 |
absolutePositionForContent(absx, absy); |
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|
188 |
rect.move(absx, absy); |
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|
189 |
} |
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|
190 |
|
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|
191 |
return rect; |
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|
192 |
} |
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|
193 |
|
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|
194 |
void RenderReplaced::setSelectionState(SelectionState s) |
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|
195 |
{ |
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m_selectionState = s; |
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|
197 |
if (m_inlineBoxWrapper) { |
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|
198 |
RootInlineBox* line = m_inlineBoxWrapper->root(); |
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199 |
if (line) |
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|
200 |
line->setHasSelectedChildren(isSelected()); |
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|
201 |
} |
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|
202 |
|
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|
203 |
containingBlock()->setSelectionState(s); |
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|
204 |
} |
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|
205 |
|
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|
206 |
bool RenderReplaced::isSelected() const |
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207 |
{ |
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|
208 |
SelectionState s = selectionState(); |
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|
209 |
if (s == SelectionNone) |
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|
210 |
return false; |
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|
211 |
if (s == SelectionInside) |
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|
212 |
return true; |
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|
213 |
|
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|
214 |
int selectionStart, selectionEnd; |
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|
215 |
selectionStartEnd(selectionStart, selectionEnd); |
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Revision: 200911
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|
216 |
if (s == SelectionStart) |
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|
217 |
return selectionStart == 0; |
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|
218 |
|
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diff
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219 |
int end = element()->hasChildNodes() ? element()->childNodeCount() : 1; |
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if (s == SelectionEnd) |
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return selectionEnd == end; |
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if (s == SelectionBoth) |
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return selectionStart == 0 && selectionEnd == end; |
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|
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ASSERT(0); |
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return false; |
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} |
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|
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IntSize RenderReplaced::intrinsicSize() const |
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{ |
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return m_intrinsicSize; |
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} |
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|
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void RenderReplaced::setIntrinsicSize(const IntSize& size) |
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{ |
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m_intrinsicSize = size; |
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} |
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|
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void RenderReplaced::adjustOverflowForBoxShadow() |
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{ |
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if (ShadowData* boxShadow = style()->boxShadow()) { |
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if (!gOverflowRectMap) |
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gOverflowRectMap = new OverflowRectMap(); |
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|
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IntRect shadow = borderBox(); |
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shadow.move(boxShadow->x, boxShadow->y); |
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shadow.inflate(boxShadow->blur); |
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shadow.unite(borderBox()); |
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|
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gOverflowRectMap->set(this, shadow); |
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m_hasOverflow = true; |
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return; |
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} |
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254 |
|
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if (m_hasOverflow) { |
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gOverflowRectMap->remove(this); |
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m_hasOverflow = false; |
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} |
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} |
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|
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int RenderReplaced::overflowHeight(bool includeInterior) const |
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{ |
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263 |
if (m_hasOverflow) { |
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IntRect *r = &gOverflowRectMap->find(this)->second; |
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return r->height() + r->y(); |
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} |
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|
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return height(); |
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269 |
} |
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270 |
|
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int RenderReplaced::overflowWidth(bool includeInterior) const |
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{ |
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if (m_hasOverflow) { |
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IntRect *r = &gOverflowRectMap->find(this)->second; |
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return r->width() + r->x(); |
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} |
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277 |
|
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return width(); |
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279 |
} |
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280 |
|
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int RenderReplaced::overflowLeft(bool includeInterior) const |
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282 |
{ |
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|
283 |
if (m_hasOverflow) |
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284 |
return gOverflowRectMap->get(this).x(); |
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|
285 |
|
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|
286 |
return 0; |
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|
287 |
} |
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|
288 |
|
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int RenderReplaced::overflowTop(bool includeInterior) const |
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|
290 |
{ |
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|
291 |
if (m_hasOverflow) |
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|
292 |
return gOverflowRectMap->get(this).y(); |
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|
293 |
|
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|
294 |
return 0; |
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|
295 |
} |
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|
296 |
|
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|
297 |
IntRect RenderReplaced::overflowRect(bool includeInterior) const |
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|
298 |
{ |
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|
299 |
if (m_hasOverflow) |
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|
300 |
return gOverflowRectMap->find(this)->second; |
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|
301 |
|
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|
302 |
return borderBox(); |
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|
303 |
} |
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|
304 |
|
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|
305 |
} |