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9e43ce3605
In particular, move RenderParagraph-specific code from hitTestContents, paintContents, simplifiedNormalFlowLayout & addOverflowFromChildren. R=ojan@chromium.org Review URL: https://codereview.chromium.org/754493002
77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "sky/engine/config.h"
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#include "sky/engine/core/rendering/RenderParagraph.h"
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#include "sky/engine/core/rendering/InlineIterator.h"
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namespace blink {
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RenderParagraph::RenderParagraph(ContainerNode* node)
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: RenderBlockFlow(node)
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{
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}
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RenderParagraph::~RenderParagraph()
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{
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}
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RenderParagraph* RenderParagraph::createAnonymous(Document& document)
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{
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RenderParagraph* renderer = new RenderParagraph(0);
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renderer->setDocumentForAnonymous(&document);
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return renderer;
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}
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void RenderParagraph::addOverflowFromChildren()
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{
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LayoutUnit endPadding = hasOverflowClip() ? paddingEnd() : LayoutUnit();
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// FIXME: Need to find another way to do this, since scrollbars could show when we don't want them to.
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if (hasOverflowClip() && !endPadding && node() && node()->isRootEditableElement() && style()->isLeftToRightDirection())
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endPadding = 1;
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for (RootInlineBox* curr = firstRootBox(); curr; curr = curr->nextRootBox()) {
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addLayoutOverflow(curr->paddedLayoutOverflowRect(endPadding));
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LayoutRect visualOverflow = curr->visualOverflowRect(curr->lineTop(), curr->lineBottom());
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addContentsVisualOverflow(visualOverflow);
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}
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}
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void RenderParagraph::simplifiedNormalFlowLayout()
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{
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ListHashSet<RootInlineBox*> lineBoxes;
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for (InlineWalker walker(this); !walker.atEnd(); walker.advance()) {
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RenderObject* o = walker.current();
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if (!o->isOutOfFlowPositioned() && o->isReplaced()) {
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o->layoutIfNeeded();
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if (toRenderBox(o)->inlineBoxWrapper()) {
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RootInlineBox& box = toRenderBox(o)->inlineBoxWrapper()->root();
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lineBoxes.add(&box);
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}
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} else if (o->isText() || (o->isRenderInline() && !walker.atEndOfInline())) {
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o->clearNeedsLayout();
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}
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}
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// FIXME: Glyph overflow will get lost in this case, but not really a big deal.
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GlyphOverflowAndFallbackFontsMap textBoxDataMap;
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for (ListHashSet<RootInlineBox*>::const_iterator it = lineBoxes.begin(); it != lineBoxes.end(); ++it) {
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RootInlineBox* box = *it;
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box->computeOverflow(box->lineTop(), box->lineBottom(), textBoxDataMap);
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}
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}
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void RenderParagraph::paintContents(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
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{
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m_lineBoxes.paint(this, paintInfo, paintOffset);
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}
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bool RenderParagraph::hitTestContents(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
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{
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return m_lineBoxes.hitTest(this, request, result, locationInContainer, accumulatedOffset, hitTestAction);
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}
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} // namespace blink
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