static inline void appendContextSubtargetsForNode(Node* node, SubtargetGeometryList& subtargets)
{
// This is a variant of appendBasicSubtargetsForNode that adds special subtargets for
// selected or auto-selectable parts of text nodes.
ASSERT(node->renderer());
if (!node->isTextNode())
return appendBasicSubtargetsForNode(node, subtargets);
Text* textNode = static_cast<WebCore::Text*>(node);
RenderText* textRenderer = static_cast<RenderText*>(textNode->renderer());
if (textRenderer->frame()->editor()->behavior().shouldSelectOnContextualMenuClick()) {
// Make subtargets out of every word.
String textValue = textNode->data();
TextBreakIterator* wordIterator = wordBreakIterator(textValue.characters(), textValue.length());
int lastOffset = textBreakFirst(wordIterator);
if (lastOffset == -1)
return;
int offset;
while ((offset = textBreakNext(wordIterator)) != -1) {
if (isWordTextBreak(wordIterator)) {
Vector<FloatQuad> quads;
textRenderer->absoluteQuadsForRange(quads, lastOffset, offset);
appendQuadsToSubtargetList(quads, textNode, subtargets);
}
lastOffset = offset;
}
} else {
if (textRenderer->selectionState() == RenderObject::SelectionNone)
return appendBasicSubtargetsForNode(node, subtargets);
// If selected, make subtargets out of only the selected part of the text.
int startPos, endPos;
switch (textRenderer->selectionState()) {
case RenderObject::SelectionInside:
startPos = 0;
endPos = textRenderer->textLength();
break;
case RenderObject::SelectionStart:
textRenderer->selectionStartEnd(startPos, endPos);
endPos = textRenderer->textLength();
break;
case RenderObject::SelectionEnd:
textRenderer->selectionStartEnd(startPos, endPos);
startPos = 0;
break;
case RenderObject::SelectionBoth:
textRenderer->selectionStartEnd(startPos, endPos);
break;
default:
ASSERT_NOT_REACHED();
return;
}
Vector<FloatQuad> quads;
textRenderer->absoluteQuadsForRange(quads, startPos, endPos);
appendQuadsToSubtargetList(quads, textNode, subtargets);
}
}
void RenderTextLineBoxes::setSelectionState(RenderText& renderer, RenderObject::SelectionState state)
{
if (state == RenderObject::SelectionInside || state == RenderObject::SelectionNone) {
for (auto box = m_first; box; box = box->nextTextBox())
box->root().setHasSelectedChildren(state == RenderObject::SelectionInside);
return;
}
int start, end;
renderer.selectionStartEnd(start, end);
if (state == RenderObject::SelectionStart) {
end = renderer.textLength();
// to handle selection from end of text to end of line
if (start && start == end)
start = end - 1;
} else if (state == RenderObject::SelectionEnd)
start = 0;
for (auto box = m_first; box; box = box->nextTextBox()) {
if (box->isSelected(start, end))
box->root().setHasSelectedChildren(true);
}
}
