void HTMLTextFormControlElement::setInnerEditorValue(const String& value)
{
ASSERT(!hasAuthorShadowRoot());
if (!isTextFormControl() || hasAuthorShadowRoot())
return;
bool textIsChanged = value != innerEditorValue();
if (textIsChanged || !innerEditorElement()->hasChildren()) {
if (textIsChanged && renderer()) {
if (AXObjectCache* cache = document().existingAXObjectCache())
cache->postNotification(this, AXObjectCache::AXValueChanged, false);
}
innerEditorElement()->setInnerText(value, ASSERT_NO_EXCEPTION);
if (value.endsWith('\n') || value.endsWith('\r'))
innerEditorElement()->appendChild(HTMLBRElement::create(document()));
}
}
void HTMLTextFormControlElement::setRangeText(const String& replacement, unsigned start, unsigned end, const String& selectionMode, ExceptionState& exceptionState)
{
if (start > end) {
exceptionState.throwDOMException(IndexSizeError, "The provided start value (" + String::number(start) + ") is larger than the provided end value (" + String::number(end) + ").");
return;
}
if (hasAuthorShadowRoot())
return;
String text = innerTextValue();
unsigned textLength = text.length();
unsigned replacementLength = replacement.length();
unsigned newSelectionStart = selectionStart();
unsigned newSelectionEnd = selectionEnd();
start = std::min(start, textLength);
end = std::min(end, textLength);
if (start < end)
text.replace(start, end - start, replacement);
else
text.insert(replacement, start);
setInnerTextValue(text);
// FIXME: What should happen to the value (as in value()) if there's no renderer?
if (!renderer())
return;
subtreeHasChanged();
if (equalIgnoringCase(selectionMode, "select")) {
newSelectionStart = start;
newSelectionEnd = start + replacementLength;
} else if (equalIgnoringCase(selectionMode, "start"))
newSelectionStart = newSelectionEnd = start;
else if (equalIgnoringCase(selectionMode, "end"))
newSelectionStart = newSelectionEnd = start + replacementLength;
else {
// Default is "preserve".
long delta = replacementLength - (end - start);
if (newSelectionStart > end)
newSelectionStart += delta;
else if (newSelectionStart > start)
newSelectionStart = start;
if (newSelectionEnd > end)
newSelectionEnd += delta;
else if (newSelectionEnd > start)
newSelectionEnd = start + replacementLength;
}
setSelectionRange(newSelectionStart, newSelectionEnd, SelectionHasNoDirection);
}
String HTMLTextFormControlElement::innerTextValue() const
{
ASSERT(!hasAuthorShadowRoot());
HTMLElement* innerText = innerTextElement();
if (!innerText || !isTextFormControl())
return emptyString();
StringBuilder result;
for (Node* node = innerText; node; node = NodeTraversal::next(*node, innerText)) {
if (node->hasTagName(brTag))
result.append(newlineCharacter);
else if (node->isTextNode())
result.append(toText(node)->data());
}
return finishText(result);
}
bool HTMLPlugInElement::hasCustomFocusLogic() const
{
return !hasAuthorShadowRoot();
}
