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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 * (C) 2007 David Smith (catfish.man@gmail.com) | 4 * (C) 2007 David Smith (catfish.man@gmail.com) |
5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
All rights reserved. | 5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
All rights reserved. |
6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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3753 | 3753 |
3754 if (node()->isRootEditableElement()) | 3754 if (node()->isRootEditableElement()) |
3755 return true; | 3755 return true; |
3756 | 3756 |
3757 if (node()->isShadowRoot() && isHTMLInputElement(*toShadowRoot(node())->host
())) | 3757 if (node()->isShadowRoot() && isHTMLInputElement(*toShadowRoot(node())->host
())) |
3758 return true; | 3758 return true; |
3759 | 3759 |
3760 return false; | 3760 return false; |
3761 } | 3761 } |
3762 | 3762 |
3763 LayoutUnit RenderBlock::lineHeight(bool firstLine, LineDirectionMode direction,
LinePositionMode linePositionMode) const | 3763 LayoutUnit RenderBlock::lineHeight(OwnOrFirstLineStyle firstLine, LineDirectionM
ode direction, LinePositionMode linePositionMode) const |
3764 { | 3764 { |
3765 // Inline blocks are replaced elements. Otherwise, just pass off to | 3765 // Inline blocks are replaced elements. Otherwise, just pass off to |
3766 // the base class. If we're being queried as though we're the root line | 3766 // the base class. If we're being queried as though we're the root line |
3767 // box, then the fact that we're an inline-block is irrelevant, and we behav
e | 3767 // box, then the fact that we're an inline-block is irrelevant, and we behav
e |
3768 // just like a block. | 3768 // just like a block. |
3769 if (isReplaced() && linePositionMode == PositionOnContainingLine) | 3769 if (isReplaced() && linePositionMode == PositionOnContainingLine) |
3770 return RenderBox::lineHeight(firstLine, direction, linePositionMode); | 3770 return RenderBox::lineHeight(firstLine, direction, linePositionMode); |
3771 | 3771 |
3772 RenderStyle* s = style(firstLine && document().styleEngine()->usesFirstLineR
ules()); | 3772 return style(firstLine)->computedLineHeight(); |
3773 return s->computedLineHeight(); | |
3774 } | 3773 } |
3775 | 3774 |
3776 int RenderBlock::beforeMarginInLineDirection(LineDirectionMode direction) const | 3775 int RenderBlock::beforeMarginInLineDirection(LineDirectionMode direction) const |
3777 { | 3776 { |
3778 return direction == HorizontalLine ? marginTop() : marginRight(); | 3777 return direction == HorizontalLine ? marginTop() : marginRight(); |
3779 } | 3778 } |
3780 | 3779 |
3781 int RenderBlock::baselinePosition(FontBaseline baselineType, bool firstLine, Lin
eDirectionMode direction, LinePositionMode linePositionMode) const | 3780 int RenderBlock::baselinePosition(FontBaseline baselineType, OwnOrFirstLineStyle
firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) cons
t |
3782 { | 3781 { |
3783 // Inline blocks are replaced elements. Otherwise, just pass off to | 3782 // Inline blocks are replaced elements. Otherwise, just pass off to |
3784 // the base class. If we're being queried as though we're the root line | 3783 // the base class. If we're being queried as though we're the root line |
3785 // box, then the fact that we're an inline-block is irrelevant, and we behav
e | 3784 // box, then the fact that we're an inline-block is irrelevant, and we behav
e |
3786 // just like a block. | 3785 // just like a block. |
3787 if (isInline() && linePositionMode == PositionOnContainingLine) { | 3786 if (isInline() && linePositionMode == PositionOnContainingLine) { |
3788 // For "leaf" theme objects, let the theme decide what the baseline posi
tion is. | 3787 // For "leaf" theme objects, let the theme decide what the baseline posi
tion is. |
3789 // FIXME: Might be better to have a custom CSS property instead, so that
if the theme | 3788 // FIXME: Might be better to have a custom CSS property instead, so that
if the theme |
3790 // is turned off, checkboxes/radios will still have decent baselines. | 3789 // is turned off, checkboxes/radios will still have decent baselines. |
3791 // FIXME: Need to patch form controls to deal with vertical lines. | 3790 // FIXME: Need to patch form controls to deal with vertical lines. |
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3819 } | 3818 } |
3820 | 3819 |
3821 // If we're not replaced, we'll only get called with PositionOfInteriorLineB
oxes. | 3820 // If we're not replaced, we'll only get called with PositionOfInteriorLineB
oxes. |
3822 // Note that inline-block counts as replaced here. | 3821 // Note that inline-block counts as replaced here. |
3823 ASSERT(linePositionMode == PositionOfInteriorLineBoxes); | 3822 ASSERT(linePositionMode == PositionOfInteriorLineBoxes); |
3824 | 3823 |
3825 const FontMetrics& fontMetrics = style(firstLine)->fontMetrics(); | 3824 const FontMetrics& fontMetrics = style(firstLine)->fontMetrics(); |
3826 return fontMetrics.ascent(baselineType) + (lineHeight(firstLine, direction,
linePositionMode) - fontMetrics.height()) / 2; | 3825 return fontMetrics.ascent(baselineType) + (lineHeight(firstLine, direction,
linePositionMode) - fontMetrics.height()) / 2; |
3827 } | 3826 } |
3828 | 3827 |
3829 LayoutUnit RenderBlock::minLineHeightForReplacedRenderer(bool isFirstLine, Layou
tUnit replacedHeight) const | 3828 LayoutUnit RenderBlock::minLineHeightForReplacedRenderer(OwnOrFirstLineStyle isF
irstLine, LayoutUnit replacedHeight) const |
3830 { | 3829 { |
3831 if (!document().inNoQuirksMode() && replacedHeight) | 3830 if (!document().inNoQuirksMode() && replacedHeight) |
3832 return replacedHeight; | 3831 return replacedHeight; |
3833 | 3832 |
3834 if (!(style(isFirstLine)->lineBoxContain() & LineBoxContainBlock)) | 3833 if (!(style(isFirstLine)->lineBoxContain() & LineBoxContainBlock)) |
3835 return 0; | 3834 return 0; |
3836 | 3835 |
3837 return std::max<LayoutUnit>(replacedHeight, lineHeight(isFirstLine, isHorizo
ntalWritingMode() ? HorizontalLine : VerticalLine, PositionOfInteriorLineBoxes))
; | 3836 return std::max<LayoutUnit>(replacedHeight, lineHeight(isFirstLine, isHorizo
ntalWritingMode() ? HorizontalLine : VerticalLine, PositionOfInteriorLineBoxes))
; |
3838 } | 3837 } |
3839 | 3838 |
3840 int RenderBlock::firstLineBoxBaseline() const | 3839 int RenderBlock::firstLineBoxBaseline() const |
3841 { | 3840 { |
3842 if (isWritingModeRoot() && !isRubyRun()) | 3841 if (isWritingModeRoot() && !isRubyRun()) |
3843 return -1; | 3842 return -1; |
3844 | 3843 |
3845 if (childrenInline()) { | 3844 if (childrenInline()) { |
3846 if (firstLineBox()) | 3845 if (firstLineBox()) |
3847 return firstLineBox()->logicalTop() + style(true)->fontMetrics().asc
ent(firstRootBox()->baselineType()); | 3846 return firstLineBox()->logicalTop() + style(FirstLineStyle)->fontMet
rics().ascent(firstRootBox()->baselineType()); |
3848 else | 3847 else |
3849 return -1; | 3848 return -1; |
3850 } | 3849 } |
3851 else { | 3850 else { |
3852 for (RenderBox* curr = firstChildBox(); curr; curr = curr->nextSiblingBo
x()) { | 3851 for (RenderBox* curr = firstChildBox(); curr; curr = curr->nextSiblingBo
x()) { |
3853 if (!curr->isFloatingOrOutOfFlowPositioned()) { | 3852 if (!curr->isFloatingOrOutOfFlowPositioned()) { |
3854 int result = curr->firstLineBoxBaseline(); | 3853 int result = curr->firstLineBoxBaseline(); |
3855 if (result != -1) | 3854 if (result != -1) |
3856 return curr->logicalTop() + result; // Translate to our coor
dinate space. | 3855 return curr->logicalTop() + result; // Translate to our coor
dinate space. |
3857 } | 3856 } |
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3873 | 3872 |
3874 int RenderBlock::lastLineBoxBaseline(LineDirectionMode lineDirection) const | 3873 int RenderBlock::lastLineBoxBaseline(LineDirectionMode lineDirection) const |
3875 { | 3874 { |
3876 if (isWritingModeRoot() && !isRubyRun()) | 3875 if (isWritingModeRoot() && !isRubyRun()) |
3877 return -1; | 3876 return -1; |
3878 | 3877 |
3879 if (childrenInline()) { | 3878 if (childrenInline()) { |
3880 if (!firstLineBox() && hasLineIfEmpty()) { | 3879 if (!firstLineBox() && hasLineIfEmpty()) { |
3881 const FontMetrics& fontMetrics = firstLineStyle()->fontMetrics(); | 3880 const FontMetrics& fontMetrics = firstLineStyle()->fontMetrics(); |
3882 return fontMetrics.ascent() | 3881 return fontMetrics.ascent() |
3883 + (lineHeight(true, lineDirection, PositionOfInteriorLineBoxes)
- fontMetrics.height()) / 2 | 3882 + (lineHeight(FirstLineStyle, lineDirection, PositionOfInteriorL
ineBoxes) - fontMetrics.height()) / 2 |
3884 + (lineDirection == HorizontalLine ? borderTop() + paddingTop()
: borderRight() + paddingRight()); | 3883 + (lineDirection == HorizontalLine ? borderTop() + paddingTop()
: borderRight() + paddingRight()); |
3885 } | 3884 } |
3886 if (lastLineBox()) | 3885 if (lastLineBox()) |
3887 return lastLineBox()->logicalTop() + style(lastLineBox() == firstLin
eBox())->fontMetrics().ascent(lastRootBox()->baselineType()); | 3886 return lastLineBox()->logicalTop() + style(lastLineBox() == firstLin
eBox() ? FirstLineStyle : OwnStyle)->fontMetrics().ascent(lastRootBox()->baselin
eType()); |
3888 return -1; | 3887 return -1; |
3889 } else { | 3888 } else { |
3890 bool haveNormalFlowChild = false; | 3889 bool haveNormalFlowChild = false; |
3891 for (RenderBox* curr = lastChildBox(); curr; curr = curr->previousSiblin
gBox()) { | 3890 for (RenderBox* curr = lastChildBox(); curr; curr = curr->previousSiblin
gBox()) { |
3892 if (!curr->isFloatingOrOutOfFlowPositioned()) { | 3891 if (!curr->isFloatingOrOutOfFlowPositioned()) { |
3893 haveNormalFlowChild = true; | 3892 haveNormalFlowChild = true; |
3894 int result = curr->inlineBlockBaseline(lineDirection); | 3893 int result = curr->inlineBlockBaseline(lineDirection); |
3895 if (result != -1) | 3894 if (result != -1) |
3896 return curr->logicalTop() + result; // Translate to our coor
dinate space. | 3895 return curr->logicalTop() + result; // Translate to our coor
dinate space. |
3897 } | 3896 } |
3898 } | 3897 } |
3899 if (!haveNormalFlowChild && hasLineIfEmpty()) { | 3898 if (!haveNormalFlowChild && hasLineIfEmpty()) { |
3900 const FontMetrics& fontMetrics = firstLineStyle()->fontMetrics(); | 3899 const FontMetrics& fontMetrics = firstLineStyle()->fontMetrics(); |
3901 return fontMetrics.ascent() | 3900 return fontMetrics.ascent() |
3902 + (lineHeight(true, lineDirection, PositionOfInteriorLineBoxes)
- fontMetrics.height()) / 2 | 3901 + (lineHeight(FirstLineStyle, lineDirection, PositionOfInteriorL
ineBoxes) - fontMetrics.height()) / 2 |
3903 + (lineDirection == HorizontalLine ? borderTop() + paddingTop()
: borderRight() + paddingRight()); | 3902 + (lineDirection == HorizontalLine ? borderTop() + paddingTop()
: borderRight() + paddingRight()); |
3904 } | 3903 } |
3905 } | 3904 } |
3906 | 3905 |
3907 return -1; | 3906 return -1; |
3908 } | 3907 } |
3909 | 3908 |
3910 RenderBlock* RenderBlock::firstLineBlock() const | 3909 RenderBlock* RenderBlock::firstLineBlock() const |
3911 { | 3910 { |
3912 RenderBlock* firstLineBlock = const_cast<RenderBlock*>(this); | 3911 RenderBlock* firstLineBlock = const_cast<RenderBlock*>(this); |
3913 bool hasPseudo = false; | 3912 bool hasPseudo = false; |
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5039 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* m
arkedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const Render
Object* obj) const | 5038 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* m
arkedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const Render
Object* obj) const |
5040 { | 5039 { |
5041 showRenderObject(); | 5040 showRenderObject(); |
5042 for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRoot
Box()) | 5041 for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRoot
Box()) |
5043 root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLa
bel2, obj, 1); | 5042 root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLa
bel2, obj, 1); |
5044 } | 5043 } |
5045 | 5044 |
5046 #endif | 5045 #endif |
5047 | 5046 |
5048 } // namespace WebCore | 5047 } // namespace WebCore |
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