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Side by Side Diff: Source/core/layout/LayoutInline.cpp

Issue 1033943002: Rename LayoutStyle to papayawhip (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: ensureComputedStyle Created 5 years, 8 months ago
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1 /* 1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
5 * 5 *
6 * This library is free software; you can redistribute it and/or 6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public 7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either 8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version. 9 * version 2 of the License, or (at your option) any later version.
10 * 10 *
(...skipping 134 matching lines...) Expand 10 before | Expand all | Expand 10 after
145 static LayoutObject* inFlowPositionedInlineAncestor(LayoutObject* p) 145 static LayoutObject* inFlowPositionedInlineAncestor(LayoutObject* p)
146 { 146 {
147 while (p && p->isLayoutInline()) { 147 while (p && p->isLayoutInline()) {
148 if (p->isRelPositioned()) 148 if (p->isRelPositioned())
149 return p; 149 return p;
150 p = p->parent(); 150 p = p->parent();
151 } 151 }
152 return 0; 152 return 0;
153 } 153 }
154 154
155 static void updateStyleOfAnonymousBlockContinuations(LayoutObject* block, const LayoutStyle& newStyle, const LayoutStyle& oldStyle) 155 static void updateStyleOfAnonymousBlockContinuations(LayoutObject* block, const ComputedStyle& newStyle, const ComputedStyle& oldStyle)
156 { 156 {
157 for (;block && block->isAnonymousBlock(); block = block->nextSibling()) { 157 for (;block && block->isAnonymousBlock(); block = block->nextSibling()) {
158 if (!toLayoutBlock(block)->isAnonymousBlockContinuation()) 158 if (!toLayoutBlock(block)->isAnonymousBlockContinuation())
159 continue; 159 continue;
160 160
161 RefPtr<LayoutStyle> newBlockStyle; 161 RefPtr<ComputedStyle> newBlockStyle;
162 162
163 if (!block->style()->isOutlineEquivalent(&newStyle)) { 163 if (!block->style()->isOutlineEquivalent(&newStyle)) {
164 newBlockStyle = LayoutStyle::clone(block->styleRef()); 164 newBlockStyle = ComputedStyle::clone(block->styleRef());
165 newBlockStyle->setOutlineFromStyle(newStyle); 165 newBlockStyle->setOutlineFromStyle(newStyle);
166 } 166 }
167 167
168 if (block->style()->position() != newStyle.position()) { 168 if (block->style()->position() != newStyle.position()) {
169 // If we are no longer in-flow positioned but our descendant block(s ) still have an in-flow positioned ancestor then 169 // If we are no longer in-flow positioned but our descendant block(s ) still have an in-flow positioned ancestor then
170 // their containing anonymous block should keep its in-flow position ing. 170 // their containing anonymous block should keep its in-flow position ing.
171 if (oldStyle.hasInFlowPosition() 171 if (oldStyle.hasInFlowPosition()
172 && inFlowPositionedInlineAncestor(toLayoutBlock(block)->inlineEl ementContinuation())) 172 && inFlowPositionedInlineAncestor(toLayoutBlock(block)->inlineEl ementContinuation()))
173 continue; 173 continue;
174 if (!newBlockStyle) 174 if (!newBlockStyle)
175 newBlockStyle = LayoutStyle::clone(block->styleRef()); 175 newBlockStyle = ComputedStyle::clone(block->styleRef());
176 newBlockStyle->setPosition(newStyle.position()); 176 newBlockStyle->setPosition(newStyle.position());
177 } 177 }
178 178
179 if (newBlockStyle) 179 if (newBlockStyle)
180 block->setStyle(newBlockStyle); 180 block->setStyle(newBlockStyle);
181 } 181 }
182 } 182 }
183 183
184 void LayoutInline::styleDidChange(StyleDifference diff, const LayoutStyle* oldSt yle) 184 void LayoutInline::styleDidChange(StyleDifference diff, const ComputedStyle* old Style)
185 { 185 {
186 LayoutBoxModelObject::styleDidChange(diff, oldStyle); 186 LayoutBoxModelObject::styleDidChange(diff, oldStyle);
187 187
188 // Ensure that all of the split inlines pick up the new style. We 188 // Ensure that all of the split inlines pick up the new style. We
189 // only do this if we're an inline, since we don't want to propagate 189 // only do this if we're an inline, since we don't want to propagate
190 // a block's style to the other inlines. 190 // a block's style to the other inlines.
191 // e.g., <font>foo <h4>goo</h4> moo</font>. The <font> inlines before 191 // e.g., <font>foo <h4>goo</h4> moo</font>. The <font> inlines before
192 // and after the block share the same style, but the block doesn't 192 // and after the block share the same style, but the block doesn't
193 // need to pass its style on to anyone else. 193 // need to pass its style on to anyone else.
194 const LayoutStyle& newStyle = styleRef(); 194 const ComputedStyle& newStyle = styleRef();
195 LayoutInline* continuation = inlineElementContinuation(); 195 LayoutInline* continuation = inlineElementContinuation();
196 for (LayoutInline* currCont = continuation; currCont; currCont = currCont->i nlineElementContinuation()) { 196 for (LayoutInline* currCont = continuation; currCont; currCont = currCont->i nlineElementContinuation()) {
197 LayoutBoxModelObject* nextCont = currCont->continuation(); 197 LayoutBoxModelObject* nextCont = currCont->continuation();
198 currCont->setContinuation(0); 198 currCont->setContinuation(0);
199 currCont->setStyle(style()); 199 currCont->setStyle(style());
200 currCont->setContinuation(nextCont); 200 currCont->setContinuation(nextCont);
201 } 201 }
202 202
203 // If an inline's outline or in-flow positioning has changed then any descen dant blocks will need to change their styles accordingly. 203 // If an inline's outline or in-flow positioning has changed then any descen dant blocks will need to change their styles accordingly.
204 // Do this by updating the styles of the descendant blocks' containing anony mous blocks - there may be more than one. 204 // Do this by updating the styles of the descendant blocks' containing anony mous blocks - there may be more than one.
(...skipping 16 matching lines...) Expand all
221 } 221 }
222 } 222 }
223 223
224 void LayoutInline::updateAlwaysCreateLineBoxes(bool fullLayout) 224 void LayoutInline::updateAlwaysCreateLineBoxes(bool fullLayout)
225 { 225 {
226 // Once we have been tainted once, just assume it will happen again. This wa y effects like hover highlighting that change the 226 // Once we have been tainted once, just assume it will happen again. This wa y effects like hover highlighting that change the
227 // background color will only cause a layout on the first rollover. 227 // background color will only cause a layout on the first rollover.
228 if (alwaysCreateLineBoxes()) 228 if (alwaysCreateLineBoxes())
229 return; 229 return;
230 230
231 const LayoutStyle& parentStyle = parent()->styleRef(); 231 const ComputedStyle& parentStyle = parent()->styleRef();
232 LayoutInline* parentLayoutInline = parent()->isLayoutInline() ? toLayoutInli ne(parent()) : 0; 232 LayoutInline* parentLayoutInline = parent()->isLayoutInline() ? toLayoutInli ne(parent()) : 0;
233 bool checkFonts = document().inNoQuirksMode(); 233 bool checkFonts = document().inNoQuirksMode();
234 bool alwaysCreateLineBoxesNew = (parentLayoutInline && parentLayoutInline->a lwaysCreateLineBoxes()) 234 bool alwaysCreateLineBoxesNew = (parentLayoutInline && parentLayoutInline->a lwaysCreateLineBoxes())
235 || (parentLayoutInline && parentStyle.verticalAlign() != BASELINE) 235 || (parentLayoutInline && parentStyle.verticalAlign() != BASELINE)
236 || style()->verticalAlign() != BASELINE 236 || style()->verticalAlign() != BASELINE
237 || style()->textEmphasisMark() != TextEmphasisMarkNone 237 || style()->textEmphasisMark() != TextEmphasisMarkNone
238 || (checkFonts && (!parentStyle.font().fontMetrics().hasIdenticalAscentD escentAndLineGap(style()->font().fontMetrics()) 238 || (checkFonts && (!parentStyle.font().fontMetrics().hasIdenticalAscentD escentAndLineGap(style()->font().fontMetrics())
239 || parentStyle.lineHeight() != style()->lineHeight())); 239 || parentStyle.lineHeight() != style()->lineHeight()));
240 240
241 if (!alwaysCreateLineBoxesNew && checkFonts && document().styleEngine().uses FirstLineRules()) { 241 if (!alwaysCreateLineBoxesNew && checkFonts && document().styleEngine().uses FirstLineRules()) {
242 // Have to check the first line style as well. 242 // Have to check the first line style as well.
243 const LayoutStyle& firstLineParentStyle = parent()->styleRef(true); 243 const ComputedStyle& firstLineParentStyle = parent()->styleRef(true);
244 const LayoutStyle& childStyle = styleRef(true); 244 const ComputedStyle& childStyle = styleRef(true);
245 alwaysCreateLineBoxesNew = !firstLineParentStyle.font().fontMetrics().ha sIdenticalAscentDescentAndLineGap(childStyle.font().fontMetrics()) 245 alwaysCreateLineBoxesNew = !firstLineParentStyle.font().fontMetrics().ha sIdenticalAscentDescentAndLineGap(childStyle.font().fontMetrics())
246 || childStyle.verticalAlign() != BASELINE 246 || childStyle.verticalAlign() != BASELINE
247 || firstLineParentStyle.lineHeight() != childStyle.lineHeight(); 247 || firstLineParentStyle.lineHeight() != childStyle.lineHeight();
248 } 248 }
249 249
250 if (alwaysCreateLineBoxesNew) { 250 if (alwaysCreateLineBoxesNew) {
251 if (!fullLayout) 251 if (!fullLayout)
252 dirtyLineBoxes(false); 252 dirtyLineBoxes(false);
253 setAlwaysCreateLineBoxes(); 253 setAlwaysCreateLineBoxes();
254 } 254 }
(...skipping 69 matching lines...) Expand 10 before | Expand all | Expand 10 after
324 { 324 {
325 // Make sure we don't append things after :after-generated content if we hav e it. 325 // Make sure we don't append things after :after-generated content if we hav e it.
326 if (!beforeChild && isAfterContent(lastChild())) 326 if (!beforeChild && isAfterContent(lastChild()))
327 beforeChild = lastChild(); 327 beforeChild = lastChild();
328 328
329 if (!newChild->isInline() && !newChild->isFloatingOrOutOfFlowPositioned()) { 329 if (!newChild->isInline() && !newChild->isFloatingOrOutOfFlowPositioned()) {
330 // We are placing a block inside an inline. We have to perform a split o f this 330 // We are placing a block inside an inline. We have to perform a split o f this
331 // inline into continuations. This involves creating an anonymous block box to hold 331 // inline into continuations. This involves creating an anonymous block box to hold
332 // |newChild|. We then make that block box a continuation of this inlin e. We take all of 332 // |newChild|. We then make that block box a continuation of this inlin e. We take all of
333 // the children after |beforeChild| and put them in a clone of this obje ct. 333 // the children after |beforeChild| and put them in a clone of this obje ct.
334 RefPtr<LayoutStyle> newStyle = LayoutStyle::createAnonymousStyleWithDisp lay(styleRef(), BLOCK); 334 RefPtr<ComputedStyle> newStyle = ComputedStyle::createAnonymousStyleWith Display(styleRef(), BLOCK);
335 335
336 // If inside an inline affected by in-flow positioning the block needs t o be affected by it too. 336 // If inside an inline affected by in-flow positioning the block needs t o be affected by it too.
337 // Giving the block a layer like this allows it to collect the x/y offse ts from inline parents later. 337 // Giving the block a layer like this allows it to collect the x/y offse ts from inline parents later.
338 if (LayoutObject* positionedAncestor = inFlowPositionedInlineAncestor(th is)) 338 if (LayoutObject* positionedAncestor = inFlowPositionedInlineAncestor(th is))
339 newStyle->setPosition(positionedAncestor->style()->position()); 339 newStyle->setPosition(positionedAncestor->style()->position());
340 340
341 // Push outline style to the block continuation. 341 // Push outline style to the block continuation.
342 if (!newStyle->isOutlineEquivalent(style())) 342 if (!newStyle->isOutlineEquivalent(style()))
343 newStyle->setOutlineFromStyle(*style()); 343 newStyle->setOutlineFromStyle(*style());
344 344
(...skipping 404 matching lines...) Expand 10 before | Expand all | Expand 10 after
749 LayoutUnit LayoutInline::marginTop() const 749 LayoutUnit LayoutInline::marginTop() const
750 { 750 {
751 return computeMargin(this, style()->marginTop()); 751 return computeMargin(this, style()->marginTop());
752 } 752 }
753 753
754 LayoutUnit LayoutInline::marginBottom() const 754 LayoutUnit LayoutInline::marginBottom() const
755 { 755 {
756 return computeMargin(this, style()->marginBottom()); 756 return computeMargin(this, style()->marginBottom());
757 } 757 }
758 758
759 LayoutUnit LayoutInline::marginStart(const LayoutStyle* otherStyle) const 759 LayoutUnit LayoutInline::marginStart(const ComputedStyle* otherStyle) const
760 { 760 {
761 return computeMargin(this, style()->marginStartUsing(otherStyle ? otherStyle : style())); 761 return computeMargin(this, style()->marginStartUsing(otherStyle ? otherStyle : style()));
762 } 762 }
763 763
764 LayoutUnit LayoutInline::marginEnd(const LayoutStyle* otherStyle) const 764 LayoutUnit LayoutInline::marginEnd(const ComputedStyle* otherStyle) const
765 { 765 {
766 return computeMargin(this, style()->marginEndUsing(otherStyle ? otherStyle : style())); 766 return computeMargin(this, style()->marginEndUsing(otherStyle ? otherStyle : style()));
767 } 767 }
768 768
769 LayoutUnit LayoutInline::marginBefore(const LayoutStyle* otherStyle) const 769 LayoutUnit LayoutInline::marginBefore(const ComputedStyle* otherStyle) const
770 { 770 {
771 return computeMargin(this, style()->marginBeforeUsing(otherStyle ? otherStyl e : style())); 771 return computeMargin(this, style()->marginBeforeUsing(otherStyle ? otherStyl e : style()));
772 } 772 }
773 773
774 LayoutUnit LayoutInline::marginAfter(const LayoutStyle* otherStyle) const 774 LayoutUnit LayoutInline::marginAfter(const ComputedStyle* otherStyle) const
775 { 775 {
776 return computeMargin(this, style()->marginAfterUsing(otherStyle ? otherStyle : style())); 776 return computeMargin(this, style()->marginAfterUsing(otherStyle ? otherStyle : style()));
777 } 777 }
778 778
779 const char* LayoutInline::name() const 779 const char* LayoutInline::name() const
780 { 780 {
781 if (isRelPositioned()) 781 if (isRelPositioned())
782 return "LayoutInline (relative positioned)"; 782 return "LayoutInline (relative positioned)";
783 if (isAnonymous()) 783 if (isAnonymous())
784 return "LayoutInline (anonymous)"; 784 return "LayoutInline (anonymous)";
(...skipping 522 matching lines...) Expand 10 before | Expand all | Expand 10 after
1307 { 1307 {
1308 setAlwaysCreateLineBoxes(); 1308 setAlwaysCreateLineBoxes();
1309 InlineFlowBox* flowBox = createInlineFlowBox(); 1309 InlineFlowBox* flowBox = createInlineFlowBox();
1310 m_lineBoxes.appendLineBox(flowBox); 1310 m_lineBoxes.appendLineBox(flowBox);
1311 return flowBox; 1311 return flowBox;
1312 } 1312 }
1313 1313
1314 LayoutUnit LayoutInline::lineHeight(bool firstLine, LineDirectionMode /*directio n*/, LinePositionMode /*linePositionMode*/) const 1314 LayoutUnit LayoutInline::lineHeight(bool firstLine, LineDirectionMode /*directio n*/, LinePositionMode /*linePositionMode*/) const
1315 { 1315 {
1316 if (firstLine && document().styleEngine().usesFirstLineRules()) { 1316 if (firstLine && document().styleEngine().usesFirstLineRules()) {
1317 const LayoutStyle* s = style(firstLine); 1317 const ComputedStyle* s = style(firstLine);
1318 if (s != style()) 1318 if (s != style())
1319 return s->computedLineHeight(); 1319 return s->computedLineHeight();
1320 } 1320 }
1321 1321
1322 return style()->computedLineHeight(); 1322 return style()->computedLineHeight();
1323 } 1323 }
1324 1324
1325 int LayoutInline::baselinePosition(FontBaseline baselineType, bool firstLine, Li neDirectionMode direction, LinePositionMode linePositionMode) const 1325 int LayoutInline::baselinePosition(FontBaseline baselineType, bool firstLine, Li neDirectionMode direction, LinePositionMode linePositionMode) const
1326 { 1326 {
1327 ASSERT(linePositionMode == PositionOnContainingLine); 1327 ASSERT(linePositionMode == PositionOnContainingLine);
(...skipping 127 matching lines...) Expand 10 before | Expand all | Expand 10 after
1455 } 1455 }
1456 1456
1457 void LayoutInline::invalidateDisplayItemClients(const LayoutBoxModelObject& pain tInvalidationContainer) const 1457 void LayoutInline::invalidateDisplayItemClients(const LayoutBoxModelObject& pain tInvalidationContainer) const
1458 { 1458 {
1459 LayoutBoxModelObject::invalidateDisplayItemClients(paintInvalidationContaine r); 1459 LayoutBoxModelObject::invalidateDisplayItemClients(paintInvalidationContaine r);
1460 for (InlineFlowBox* box = firstLineBox(); box; box = box->nextLineBox()) 1460 for (InlineFlowBox* box = firstLineBox(); box; box = box->nextLineBox())
1461 paintInvalidationContainer.invalidateDisplayItemClientOnBacking(*box); 1461 paintInvalidationContainer.invalidateDisplayItemClientOnBacking(*box);
1462 } 1462 }
1463 1463
1464 } // namespace blink 1464 } // namespace blink
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