PassRefPtr<Range> HTMLTextFormControlElement::selection() const
{
#if defined(S_CLEAR_SELECTION_ONAUTOFOCUS)
if (!renderer() || !isTextFormControl())
#else
if (!renderer() || !isTextFormControl() || !hasCachedSelection())
#endif
return 0;
int start = m_cachedSelectionStart;
int end = m_cachedSelectionEnd;
ASSERT(start <= end);
HTMLElement* innerText = innerTextElement();
if (!innerText)
return 0;
if (!innerText->firstChild())
return Range::create(document(), innerText, 0, innerText, 0);
int offset = 0;
Node* startNode = 0;
Node* endNode = 0;
for (Node* node = innerText->firstChild(); node; node = NodeTraversal::next(*node, innerText)) {
ASSERT(!node->firstChild());
ASSERT(node->isTextNode() || node->hasTagName(brTag));
int length = node->isTextNode() ? lastOffsetInNode(node) : 1;
if (offset <= start && start <= offset + length)
setContainerAndOffsetForRange(node, start - offset, startNode, start);
if (offset <= end && end <= offset + length) {
setContainerAndOffsetForRange(node, end - offset, endNode, end);
break;
}
offset += length;
}
if (!startNode || !endNode)
return 0;
return Range::create(document(), startNode, start, endNode, end);
}
PassRefPtrWillBeRawPtr<Range> HTMLTextFormControlElement::selection() const
{
if (!renderer() || !isTextFormControl())
return nullptr;
int start = m_cachedSelectionStart;
int end = m_cachedSelectionEnd;
ASSERT(start <= end);
HTMLElement* innerText = innerEditorElement();
if (!innerText)
return nullptr;
if (!innerText->firstChild())
return Range::create(document(), innerText, 0, innerText, 0);
int offset = 0;
Node* startNode = 0;
Node* endNode = 0;
for (Node* node = innerText->firstChild(); node; node = NodeTraversal::next(*node, innerText)) {
ASSERT(!node->firstChild());
ASSERT(node->isTextNode() || isHTMLBRElement(*node));
int length = node->isTextNode() ? lastOffsetInNode(node) : 1;
if (offset <= start && start <= offset + length)
setContainerAndOffsetForRange(node, start - offset, startNode, start);
if (offset <= end && end <= offset + length) {
setContainerAndOffsetForRange(node, end - offset, endNode, end);
break;
}
offset += length;
}
if (!startNode || !endNode)
return nullptr;
return Range::create(document(), startNode, start, endNode, end);
}
Range* HTMLTextFormControlElement::selection() const
{
if (!layoutObject() || !isTextFormControl())
return nullptr;
int start = m_cachedSelectionStart;
int end = m_cachedSelectionEnd;
ASSERT(start <= end);
HTMLElement* innerText = innerEditorElement();
if (!innerText)
return nullptr;
if (!innerText->hasChildren())
return Range::create(document(), innerText, 0, innerText, 0);
int offset = 0;
Node* startNode = 0;
Node* endNode = 0;
for (Node& node : NodeTraversal::descendantsOf(*innerText)) {
ASSERT(!node.hasChildren());
ASSERT(node.isTextNode() || isHTMLBRElement(node));
int length = node.isTextNode() ? lastOffsetInNode(&node) : 1;
if (offset <= start && start <= offset + length)
setContainerAndOffsetForRange(&node, start - offset, startNode, start);
if (offset <= end && end <= offset + length) {
setContainerAndOffsetForRange(&node, end - offset, endNode, end);
break;
}
offset += length;
}
if (!startNode || !endNode)
return nullptr;
return Range::create(document(), startNode, start, endNode, end);
}