void BackgroundLayer::fillUnsetProperties()
{
BackgroundLayer* curr;
for (curr = this; curr && curr->isBackgroundImageSet(); curr = curr->next());
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (BackgroundLayer* pattern = this; curr; curr = curr->next()) {
curr->m_image = pattern->m_image;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isBackgroundXPositionSet(); curr = curr->next());
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (BackgroundLayer* pattern = this; curr; curr = curr->next()) {
curr->m_xPosition = pattern->m_xPosition;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isBackgroundYPositionSet(); curr = curr->next());
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (BackgroundLayer* pattern = this; curr; curr = curr->next()) {
curr->m_yPosition = pattern->m_yPosition;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isBackgroundAttachmentSet(); curr = curr->next());
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (BackgroundLayer* pattern = this; curr; curr = curr->next()) {
curr->m_bgAttachment = pattern->m_bgAttachment;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
for (curr = this; curr && curr->isBackgroundRepeatSet(); curr = curr->next());
if (curr && curr != this) {
// We need to fill in the remaining values with the pattern specified.
for (BackgroundLayer* pattern = this; curr; curr = curr->next()) {
curr->m_bgRepeat = pattern->m_bgRepeat;
pattern = pattern->next();
if (pattern == curr || !pattern)
pattern = this;
}
}
}
void BackgroundLayer::cullEmptyLayers()
{
BackgroundLayer *next;
for (BackgroundLayer *p = this; p; p = next) {
next = p->m_next;
if (next && !next->isBackgroundImageSet() &&
!next->isBackgroundXPositionSet() && !next->isBackgroundYPositionSet() &&
!next->isBackgroundAttachmentSet() && !next->isBackgroundRepeatSet()) {
delete next;
p->m_next = 0;
break;
}
}
}
