#include "xml/dom_stringimpl.h"
#include "render_style.h"
#include "css/cssstyleselector.h"
#include "kdebug.h"
using namespace khtml;
using DOM::DOMStringImpl;
using DOM::DOMString;
StyleSurroundData::StyleSurroundData()
: margin( Fixed ), padding( Variable )
{
}
StyleSurroundData::StyleSurroundData(const StyleSurroundData& o )
: Shared<StyleSurroundData>(),
offset( o.offset ), margin( o.margin ), padding( o.padding ),
border( o.border )
{
}
bool StyleSurroundData::operator==(const StyleSurroundData& o) const
{
return offset==o.offset && margin==o.margin &&
padding==o.padding && border==o.border;
}
StyleBoxData::StyleBoxData()
: z_index( 0 ), z_auto(true)
{
min_width = min_height = RenderStyle::initialMinSize();
max_width = max_height = RenderStyle::initialMaxSize();
}
StyleBoxData::StyleBoxData(const StyleBoxData& o )
: Shared<StyleBoxData>(),
width( o.width ), height( o.height ),
min_width( o.min_width ), max_width( o.max_width ),
min_height ( o.min_height ), max_height( o.max_height ),
z_index( o.z_index ), z_auto( o.z_auto )
{
}
bool StyleBoxData::operator==(const StyleBoxData& o) const
{
return
width == o.width &&
height == o.height &&
min_width == o.min_width &&
max_width == o.max_width &&
min_height == o.min_height &&
max_height == o.max_height &&
z_index == o.z_index &&
z_auto == o.z_auto;
}
StyleVisualData::StyleVisualData()
: hasClip(false),
textDecoration(RenderStyle::initialTextDecoration()),
colspan( 1 ), counter_increment( 0 ), counter_reset( 0 ),
palette( QApplication::palette() )
{
}
StyleVisualData::~StyleVisualData() {
}
StyleVisualData::StyleVisualData(const StyleVisualData& o )
: Shared<StyleVisualData>(),
clip( o.clip ), hasClip( o.hasClip ), textDecoration(o.textDecoration), colspan( o.colspan ),
counter_increment( o.counter_increment ), counter_reset( o.counter_reset ),
palette( o.palette )
{
}
StyleBackgroundData::StyleBackgroundData()
: image( RenderStyle::initialBackgroundImage() )
{
}
StyleBackgroundData::StyleBackgroundData(const StyleBackgroundData& o )
: Shared<StyleBackgroundData>(),
color( o.color ), image( o.image ),
x_position( o.x_position ), y_position( o.y_position ),
outline( o.outline )
{
}
bool StyleBackgroundData::operator==(const StyleBackgroundData& o) const
{
return
color == o.color &&
image == o.image &&
x_position == o.x_position &&
y_position == o.y_position &&
outline == o.outline;
}
StyleMarqueeData::StyleMarqueeData()
{
increment = RenderStyle::initialMarqueeIncrement();
speed = RenderStyle::initialMarqueeSpeed();
direction = RenderStyle::initialMarqueeDirection();
behavior = RenderStyle::initialMarqueeBehavior();
loops = RenderStyle::initialMarqueeLoopCount();
}
StyleMarqueeData::StyleMarqueeData(const StyleMarqueeData& o)
:Shared<StyleMarqueeData>(), increment(o.increment), speed(o.speed), loops(o.loops),
behavior(o.behavior), direction(o.direction)
{}
bool StyleMarqueeData::operator==(const StyleMarqueeData& o) const
{
return (increment == o.increment && speed == o.speed && direction == o.direction &&
behavior == o.behavior && loops == o.loops);
}
StyleFlexibleBoxData::StyleFlexibleBoxData()
: Shared<StyleFlexibleBoxData>()
{
flex = RenderStyle::initialBoxFlex();
flex_group = RenderStyle::initialBoxFlexGroup();
ordinal_group = RenderStyle::initialBoxOrdinalGroup();
align = RenderStyle::initialBoxAlign();
pack = RenderStyle::initialBoxPack();
orient = RenderStyle::initialBoxOrient();
lines = RenderStyle::initialBoxLines();
flexed_height = -1;
}
StyleFlexibleBoxData::StyleFlexibleBoxData(const StyleFlexibleBoxData& o)
: Shared<StyleFlexibleBoxData>()
{
flex = o.flex;
flex_group = o.flex_group;
ordinal_group = o.ordinal_group;
align = o.align;
pack = o.pack;
orient = o.orient;
lines = o.lines;
flexed_height = o.flexed_height;
}
bool StyleFlexibleBoxData::operator==(const StyleFlexibleBoxData& o) const
{
return flex == o.flex && flex_group == o.flex_group &&
ordinal_group == o.ordinal_group && align == o.align &&
pack == o.pack && orient == o.orient && lines == o.lines &&
flexed_height == o.flexed_height;
}
StyleCSS3NonInheritedData::StyleCSS3NonInheritedData()
:Shared<StyleCSS3NonInheritedData>(), opacity(RenderStyle::initialOpacity())
{
}
StyleCSS3NonInheritedData::StyleCSS3NonInheritedData(const StyleCSS3NonInheritedData& o)
:Shared<StyleCSS3NonInheritedData>(), opacity(o.opacity), flexibleBox(o.flexibleBox), marquee(o.marquee)
{
}
bool StyleCSS3NonInheritedData::operator==(const StyleCSS3NonInheritedData& o) const
{
return opacity == o.opacity && flexibleBox == o.flexibleBox && marquee == o.marquee;
}
StyleCSS3InheritedData::StyleCSS3InheritedData()
:Shared<StyleCSS3InheritedData>(), textShadow(0)
{
}
StyleCSS3InheritedData::StyleCSS3InheritedData(const StyleCSS3InheritedData& o)
:Shared<StyleCSS3InheritedData>()
{
textShadow = o.textShadow ? new ShadowData(*o.textShadow) : 0;
}
StyleCSS3InheritedData::~StyleCSS3InheritedData()
{
delete textShadow;
}
bool StyleCSS3InheritedData::operator==(const StyleCSS3InheritedData& o) const
{
return shadowDataEquivalent(o);
}
bool StyleCSS3InheritedData::shadowDataEquivalent(const StyleCSS3InheritedData& o) const
{
if (!textShadow && o.textShadow || textShadow && !o.textShadow)
return false;
if (textShadow && o.textShadow && (*textShadow != *o.textShadow))
return false;
return true;
}
StyleInheritedData::StyleInheritedData()
: indent( RenderStyle::initialTextIndent() ), line_height( RenderStyle::initialLineHeight() ),
style_image( RenderStyle::initialListStyleImage() ),
cursor_image( 0 ), font(), color( RenderStyle::initialColor() ),
horizontal_border_spacing( RenderStyle::initialHorizontalBorderSpacing() ),
vertical_border_spacing( RenderStyle::initialVerticalBorderSpacing() ),
widows( RenderStyle::initialWidows() ), orphans( RenderStyle::initialOrphans() ),
page_break_inside( RenderStyle::initialPageBreak() )
{
}
StyleInheritedData::~StyleInheritedData()
{
}
StyleInheritedData::StyleInheritedData(const StyleInheritedData& o )
: Shared<StyleInheritedData>(),
indent( o.indent ), line_height( o.line_height ), style_image( o.style_image ),
cursor_image( o.cursor_image ), font( o.font ),
color( o.color ),
horizontal_border_spacing( o.horizontal_border_spacing ),
vertical_border_spacing( o.vertical_border_spacing ),
widows(o.widows), orphans(o.orphans), page_break_inside(o.page_break_inside)
{
}
bool StyleInheritedData::operator==(const StyleInheritedData& o) const
{
return
indent == o.indent &&
line_height == o.line_height &&
style_image == o.style_image &&
cursor_image == o.cursor_image &&
font == o.font &&
color == o.color &&
horizontal_border_spacing == o.horizontal_border_spacing &&
vertical_border_spacing == o.vertical_border_spacing &&
widows == o.widows &&
orphans == o.orphans &&
page_break_inside == o.page_break_inside;
}
RenderStyle::RenderStyle()
{
if (!_default)
_default = new RenderStyle(true);
box = _default->box;
visual = _default->visual;
background = _default->background;
surround = _default->surround;
css3NonInheritedData = _default->css3NonInheritedData;
css3InheritedData = _default->css3InheritedData;
inherited = _default->inherited;
setBitDefaults();
pseudoStyle = 0;
content = 0;
}
RenderStyle::RenderStyle(bool)
{
setBitDefaults();
box.init();
visual.init();
background.init();
surround.init();
css3NonInheritedData.init();
css3NonInheritedData.access()->flexibleBox.init();
css3NonInheritedData.access()->marquee.init();
css3InheritedData.init();
inherited.init();
pseudoStyle = 0;
content = 0;
}
RenderStyle::RenderStyle(const RenderStyle& o)
: Shared<RenderStyle>(),
inherited_flags( o.inherited_flags ), noninherited_flags( o.noninherited_flags ),
box( o.box ), visual( o.visual ), background( o.background ), surround( o.surround ),
css3NonInheritedData( o.css3NonInheritedData ), css3InheritedData( o.css3InheritedData ),
inherited( o.inherited ), pseudoStyle( 0 ), content( o.content )
{
}
void RenderStyle::inheritFrom(const RenderStyle* inheritParent)
{
css3InheritedData = inheritParent->css3InheritedData;
inherited = inheritParent->inherited;
inherited_flags = inheritParent->inherited_flags;
}
RenderStyle::~RenderStyle()
{
RenderStyle *ps = pseudoStyle;
RenderStyle *prev = 0;
while (ps) {
prev = ps;
ps = ps->pseudoStyle;
prev->pseudoStyle = 0;
prev->deref();
}
delete content;
}
bool RenderStyle::operator==(const RenderStyle& o) const
{
return (inherited_flags == o.inherited_flags &&
noninherited_flags == o.noninherited_flags &&
box == o.box &&
visual == o.visual &&
background == o.background &&
surround == o.surround &&
css3NonInheritedData == o.css3NonInheritedData &&
css3InheritedData == o.css3InheritedData &&
inherited == o.inherited);
}
bool RenderStyle::isStyleAvailable() const
{
return this != CSSStyleSelector::styleNotYetAvailable;
}
enum EPseudoBit { NO_BIT = 0x0, BEFORE_BIT = 0x1, AFTER_BIT = 0x2, FIRST_LINE_BIT = 0x4,
FIRST_LETTER_BIT = 0x8, SELECTION_BIT = 0x10, FIRST_LINE_INHERITED_BIT = 0x20 };
static int pseudoBit(RenderStyle::PseudoId pseudo)
{
switch (pseudo) {
case RenderStyle::BEFORE:
return BEFORE_BIT;
case RenderStyle::AFTER:
return AFTER_BIT;
case RenderStyle::FIRST_LINE:
return FIRST_LINE_BIT;
case RenderStyle::FIRST_LETTER:
return FIRST_LETTER_BIT;
case RenderStyle::SELECTION:
return SELECTION_BIT;
case RenderStyle::FIRST_LINE_INHERITED:
return FIRST_LINE_INHERITED_BIT;
default:
return NO_BIT;
}
}
bool RenderStyle::hasPseudoStyle(PseudoId pseudo) const
{
return (pseudoBit(pseudo) & noninherited_flags._pseudoBits) != 0;
}
void RenderStyle::setHasPseudoStyle(PseudoId pseudo)
{
noninherited_flags._pseudoBits |= pseudoBit(pseudo);
}
RenderStyle* RenderStyle::getPseudoStyle(PseudoId pid)
{
RenderStyle *ps = 0;
if (noninherited_flags._styleType==NOPSEUDO) {
ps = pseudoStyle;
while (ps) {
if (ps->noninherited_flags._styleType==pid)
break;
ps = ps->pseudoStyle;
}
}
return ps;
}
void RenderStyle::addPseudoStyle(RenderStyle* pseudo)
{
if (!pseudo) return;
pseudo->ref();
pseudo->pseudoStyle = pseudoStyle;
pseudoStyle = pseudo;
}
void RenderStyle::removePseudoStyle(PseudoId pid)
{
RenderStyle *ps = pseudoStyle;
RenderStyle *prev = this;
while (ps) {
if (ps->noninherited_flags._styleType==pid) {
prev->pseudoStyle = ps->pseudoStyle;
ps->deref();
return;
}
prev = ps;
ps = ps->pseudoStyle;
}
}
bool RenderStyle::inheritedNotEqual( RenderStyle *other ) const
{
return inherited_flags != other->inherited_flags ||
inherited != other->inherited ||
css3InheritedData != other->css3InheritedData;
}
RenderStyle::Diff RenderStyle::diff( const RenderStyle *other ) const
{
if ( *box.get() != *other->box.get() ||
!(surround->margin == other->surround->margin) ||
!(surround->padding == other->surround->padding) ||
*css3NonInheritedData->flexibleBox.get() != *other->css3NonInheritedData->flexibleBox.get() ||
!(inherited->indent == other->inherited->indent) ||
!(inherited->line_height == other->inherited->line_height) ||
!(inherited->style_image == other->inherited->style_image) ||
!(inherited->cursor_image == other->inherited->cursor_image) ||
!(inherited->font == other->inherited->font) ||
!(inherited->horizontal_border_spacing == other->inherited->horizontal_border_spacing) ||
!(inherited->vertical_border_spacing == other->inherited->vertical_border_spacing) ||
!(inherited_flags._box_direction == other->inherited_flags._box_direction) ||
!(inherited_flags._visuallyOrdered == other->inherited_flags._visuallyOrdered) ||
!(inherited_flags._htmlHacks == other->inherited_flags._htmlHacks) ||
!(noninherited_flags._position == other->noninherited_flags._position) ||
!(noninherited_flags._floating == other->noninherited_flags._floating) ||
!(noninherited_flags._originalDisplay == other->noninherited_flags._originalDisplay) ||
visual->colspan != other->visual->colspan ||
visual->counter_increment != other->visual->counter_increment ||
visual->counter_reset != other->visual->counter_reset)
return CbLayout;
if ( ((int)noninherited_flags._effectiveDisplay) >= TABLE ) {
if ( !(inherited_flags._border_collapse == other->inherited_flags._border_collapse) ||
!(inherited_flags._empty_cells == other->inherited_flags._empty_cells) ||
!(inherited_flags._caption_side == other->inherited_flags._caption_side) ||
!(noninherited_flags._table_layout == other->noninherited_flags._table_layout))
return CbLayout;
}
if (noninherited_flags._effectiveDisplay == LIST_ITEM ) {
if ( !(inherited_flags._list_style_type == other->inherited_flags._list_style_type) ||
!(inherited_flags._list_style_position == other->inherited_flags._list_style_position) )
return Layout;
}
if ( !(inherited_flags._text_align == other->inherited_flags._text_align) ||
!(inherited_flags._text_transform == other->inherited_flags._text_transform) ||
!(inherited_flags._direction == other->inherited_flags._direction) ||
!(inherited_flags._white_space == other->inherited_flags._white_space) ||
!(noninherited_flags._clear == other->noninherited_flags._clear)
)
return Layout;
if ( !(noninherited_flags._effectiveDisplay == INLINE) &&
!(noninherited_flags._vertical_align == other->noninherited_flags._vertical_align))
return Layout;
if (borderLeftWidth() != other->borderLeftWidth() ||
borderTopWidth() != other->borderTopWidth() ||
borderBottomWidth() != other->borderBottomWidth() ||
borderRightWidth() != other->borderRightWidth())
return Layout;
if (other->position() != STATIC && !(surround->offset == other->surround->offset)) {
return Layout;
}
if (inherited->color != other->inherited->color ||
!(inherited_flags._visibility == other->inherited_flags._visibility) ||
!(noninherited_flags._overflow == other->noninherited_flags._overflow) ||
!(noninherited_flags._bg_repeat == other->noninherited_flags._bg_repeat) ||
!(noninherited_flags._bg_attachment == other->noninherited_flags._bg_attachment) ||
!(inherited_flags._text_decorations == other->inherited_flags._text_decorations) ||
!(inherited_flags._should_correct_text_color == other->inherited_flags._should_correct_text_color) ||
!(surround->border == other->surround->border) ||
*background.get() != *other->background.get() ||
!(visual->clip == other->visual->clip) ||
visual->hasClip != other->visual->hasClip ||
visual->textDecoration != other->visual->textDecoration ||
css3NonInheritedData->opacity != other->css3NonInheritedData->opacity ||
!css3InheritedData->shadowDataEquivalent(*other->css3InheritedData.get()) ||
!(visual->palette == other->visual->palette)
)
return Visible;
return Equal;
}
RenderStyle* RenderStyle::_default = 0;
void RenderStyle::cleanup()
{
delete _default;
_default = 0;
}
void RenderStyle::setPaletteColor(QPalette::ColorGroup g, QColorGroup::ColorRole r, const QColor& c)
{
visual.access()->palette.setColor(g,r,c);
}
void RenderStyle::setClip( Length top, Length right, Length bottom, Length left )
{
StyleVisualData *data = visual.access();
data->clip.top = top;
data->clip.right = right;
data->clip.bottom = bottom;
data->clip.left = left;
}
bool RenderStyle::contentDataEquivalent(RenderStyle* otherStyle)
{
ContentData* c1 = content;
ContentData* c2 = otherStyle->content;
while (c1 && c2) {
if (c1->_contentType != c2->_contentType)
return false;
if (c1->_contentType == CONTENT_TEXT) {
DOMString c1Str(c1->_content.text);
DOMString c2Str(c2->_content.text);
if (c1Str != c2Str)
return false;
}
else if (c1->_contentType == CONTENT_OBJECT) {
if (c1->_content.object != c2->_content.object)
return false;
}
c1 = c1->_nextContent;
c2 = c2->_nextContent;
}
return !c1 && !c2;
}
void RenderStyle::setContent(CachedObject* o, bool add)
{
if (!o)
return;
ContentData* lastContent = content;
while (lastContent && lastContent->_nextContent)
lastContent = lastContent->_nextContent;
bool reuseContent = !add;
ContentData* newContentData = 0;
if (reuseContent && content) {
content->clearContent();
newContentData = content;
}
else
newContentData = new ContentData;
if (lastContent && !reuseContent)
lastContent->_nextContent = newContentData;
else
content = newContentData;
newContentData->_content.object = o;
newContentData->_contentType = CONTENT_OBJECT;
}
void RenderStyle::setContent(DOMStringImpl* s, bool add)
{
if (!s)
return;
ContentData* lastContent = content;
while (lastContent && lastContent->_nextContent)
lastContent = lastContent->_nextContent;
bool reuseContent = !add;
if (add) {
if (!lastContent)
return;
if (lastContent->_contentType == CONTENT_TEXT) {
DOMStringImpl* oldStr = lastContent->_content.text;
DOMStringImpl* newStr = oldStr->copy();
newStr->ref();
oldStr->deref();
newStr->append(s);
lastContent->_content.text = newStr;
return;
}
}
ContentData* newContentData = 0;
if (reuseContent && content) {
content->clearContent();
newContentData = content;
}
else
newContentData = new ContentData;
if (lastContent && !reuseContent)
lastContent->_nextContent = newContentData;
else
content = newContentData;
newContentData->_content.text = s;
newContentData->_content.text->ref();
newContentData->_contentType = CONTENT_TEXT;
}
ContentData::~ContentData()
{
clearContent();
}
void ContentData::clearContent()
{
delete _nextContent;
_nextContent = 0;
switch (_contentType)
{
case CONTENT_OBJECT:
_content.object = 0;
break;
case CONTENT_TEXT:
_content.text->deref();
_content.text = 0;
default:
;
}
}
void RenderStyle::setTextShadow(ShadowData* val, bool add)
{
StyleCSS3InheritedData* css3Data = css3InheritedData.access();
if (!add) {
delete css3Data->textShadow;
css3Data->textShadow = val;
return;
}
ShadowData* last = css3Data->textShadow;
while (last->next) last = last->next;
last->next = val;
}
ShadowData::ShadowData(const ShadowData& o)
:x(o.x), y(o.y), blur(o.blur), color(o.color)
{
next = o.next ? new ShadowData(*o.next) : 0;
}
bool ShadowData::operator==(const ShadowData& o) const
{
if ((next && !o.next) || (!next && o.next) ||
(next && o.next && *next != *o.next))
return false;
return x == o.x && y == o.y && blur == o.blur && color == o.color;
}