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aae0aab814
No change in behavior. Just deleting dead code. Removes hit testing and paint phase for floats. They bottomed out into empty functions. R=esprehn@chromium.org Review URL: https://codereview.chromium.org/706953003
110 lines
3.6 KiB
C++
110 lines
3.6 KiB
C++
/*
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* Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "core/rendering/line/LineWidth.h"
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#include "core/rendering/RenderBlock.h"
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#include "core/rendering/RenderBlockFlow.h"
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namespace blink {
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LineWidth::LineWidth(RenderBlockFlow& block, bool isFirstLine, IndentTextOrNot shouldIndentText)
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: m_block(block)
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, m_uncommittedWidth(0)
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, m_committedWidth(0)
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, m_trailingWhitespaceWidth(0)
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, m_left(0)
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, m_right(0)
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, m_availableWidth(0)
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, m_shouldIndentText(shouldIndentText)
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{
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updateAvailableWidth();
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}
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void LineWidth::updateAvailableWidth()
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{
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m_left = m_block.logicalLeftOffsetForLine(shouldIndentText()).toFloat();
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m_right = m_block.logicalRightOffsetForLine(shouldIndentText()).toFloat();
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computeAvailableWidthFromLeftAndRight();
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}
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void LineWidth::commit()
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{
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m_committedWidth += m_uncommittedWidth;
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m_uncommittedWidth = 0;
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}
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void LineWidth::updateLineDimension(LayoutUnit newLineTop, LayoutUnit newLineWidth, const float& newLineLeft, const float& newLineRight)
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{
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if (newLineWidth <= m_availableWidth)
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return;
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m_block.setLogicalHeight(newLineTop);
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m_availableWidth = newLineWidth.toFloat();
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m_left = newLineLeft;
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m_right = newLineRight;
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}
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void LineWidth::fitBelowFloats(bool isFirstLine)
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{
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ASSERT(!m_committedWidth);
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ASSERT(!fitsOnLine());
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LayoutUnit floatLogicalBottom;
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LayoutUnit lastFloatLogicalBottom = m_block.logicalHeight();
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float newLineWidth = m_availableWidth;
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float newLineLeft = m_left;
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float newLineRight = m_right;
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while (true) {
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floatLogicalBottom = lastFloatLogicalBottom;
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if (floatLogicalBottom <= lastFloatLogicalBottom)
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break;
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newLineLeft = m_block.logicalLeftOffsetForLine(shouldIndentText()).toFloat();
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newLineRight = m_block.logicalRightOffsetForLine(shouldIndentText()).toFloat();
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newLineWidth = std::max(0.0f, newLineRight - newLineLeft);
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lastFloatLogicalBottom = floatLogicalBottom;
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if (newLineWidth >= m_uncommittedWidth)
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break;
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}
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updateLineDimension(lastFloatLogicalBottom, newLineWidth, newLineLeft, newLineRight);
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}
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void LineWidth::computeAvailableWidthFromLeftAndRight()
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{
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m_availableWidth = max(0.0f, m_right - m_left);
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}
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}
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