void HTMLTextFormControlElement::setInnerEditorValue(const String& value)
{
ASSERT(!hasOpenShadowRoot());
if (!isTextFormControl() || hasOpenShadowRoot())
return;
bool textIsChanged = value != innerEditorValue();
if (textIsChanged || !innerEditorElement()->hasChildren()) {
if (textIsChanged && layoutObject()) {
if (AXObjectCache* cache = document().existingAXObjectCache())
cache->handleTextFormControlChanged(this);
}
innerEditorElement()->setInnerText(value, ASSERT_NO_EXCEPTION);
if (value.endsWith('\n') || value.endsWith('\r'))
innerEditorElement()->appendChild(HTMLBRElement::create(document()));
}
}
String HTMLTextFormControlElement::innerTextValue() const
{
if (!isTextFormControl())
return emptyString();
TextControlInnerTextElement* innerText = innerTextElement();
if (!innerText)
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);
}
void HTMLTextFormControlElement::setInnerTextValue(const String& value)
{
ASSERT(!hasAuthorShadowRoot());
if (!isTextFormControl() || hasAuthorShadowRoot())
return;
bool textIsChanged = value != innerTextValue();
if (textIsChanged || !innerTextElement()->hasChildren()) {
if (textIsChanged && renderer()) {
if (AXObjectCache* cache = document().existingAXObjectCache())
cache->postNotification(this, AXObjectCache::AXValueChanged, false);
}
innerTextElement()->setInnerText(value, ASSERT_NO_EXCEPTION);
if (value.endsWith('\n') || value.endsWith('\r'))
innerTextElement()->appendChild(HTMLBRElement::create(document()));
}
}
String HTMLTextFormControlElement::valueWithHardLineBreaks() const
{
// FIXME: It's not acceptable to ignore the HardWrap setting when there is no renderer.
// While we have no evidence this has ever been a practical problem, it would be best to fix it some day.
HTMLElement* innerText = innerTextElement();
if (!innerText || !isTextFormControl())
return value();
RenderBlock* renderer = toRenderBlock(innerText->renderer());
if (!renderer)
return value();
Node* breakNode;
unsigned breakOffset;
RootInlineBox* line = renderer->firstRootBox();
if (!line)
return value();
getNextSoftBreak(line, breakNode, breakOffset);
StringBuilder result;
for (Node* node = innerText->firstChild(); node; node = NodeTraversal::next(node, innerText)) {
if (node->hasTagName(brTag))
result.append(newlineCharacter);
else if (node->isTextNode()) {
String data = toText(node)->data();
unsigned length = data.length();
unsigned position = 0;
while (breakNode == node && breakOffset <= length) {
if (breakOffset > position) {
result.append(data.characters() + position, breakOffset - position);
position = breakOffset;
result.append(newlineCharacter);
}
getNextSoftBreak(line, breakNode, breakOffset);
}
result.append(data.characters() + position, length - position);
}
while (breakNode == node)
getNextSoftBreak(line, breakNode, breakOffset);
}
return finishText(result);
}
String HTMLTextFormControlElement::innerEditorValue() const
{
ASSERT(!openShadowRoot());
HTMLElement* innerEditor = innerEditorElement();
if (!innerEditor || !isTextFormControl())
return emptyString();
StringBuilder result;
for (Node& node : NodeTraversal::inclusiveDescendantsOf(*innerEditor)) {
if (isHTMLBRElement(node)) {
ASSERT(&node == innerEditor->lastChild());
if (&node != innerEditor->lastChild())
result.append(newlineCharacter);
} else if (node.isTextNode()) {
result.append(toText(node).data());
}
}
return result.toString();
}
void HTMLTextFormControlElement::setInnerTextValue(const String& value)
{
if (!isTextFormControl())
return;
bool textIsChanged = value != innerTextValue();
if (textIsChanged || !innerTextElement()->hasChildNodes()) {
if (textIsChanged && renderer()) {
if (AXObjectCache* cache = document().existingAXObjectCache())
cache->postNotification(this, AXObjectCache::AXValueChanged, TargetObservableParent);
}
innerTextElement()->setInnerText(value, ASSERT_NO_EXCEPTION);
if (value.endsWith('\n') || value.endsWith('\r'))
innerTextElement()->appendChild(HTMLBRElement::create(document()), ASSERT_NO_EXCEPTION);
}
setFormControlValueMatchesRenderer(true);
}
String HTMLTextFormControlElement::valueWithHardLineBreaks() const
{
// FIXME: It's not acceptable to ignore the HardWrap setting when there is no layoutObject.
// While we have no evidence this has ever been a practical problem, it would be best to fix it some day.
HTMLElement* innerText = innerEditorElement();
if (!innerText || !isTextFormControl())
return value();
LayoutBlockFlow* layoutObject = toLayoutBlockFlow(innerText->layoutObject());
if (!layoutObject)
return value();
Node* breakNode;
unsigned breakOffset;
RootInlineBox* line = layoutObject->firstRootBox();
if (!line)
return value();
getNextSoftBreak(line, breakNode, breakOffset);
StringBuilder result;
for (Node& node : NodeTraversal::descendantsOf(*innerText)) {
if (isHTMLBRElement(node)) {
result.append(newlineCharacter);
} else if (node.isTextNode()) {
String data = toText(node).data();
unsigned length = data.length();
unsigned position = 0;
while (breakNode == node && breakOffset <= length) {
if (breakOffset > position) {
result.append(data, position, breakOffset - position);
position = breakOffset;
result.append(newlineCharacter);
}
getNextSoftBreak(line, breakNode, breakOffset);
}
result.append(data, position, length - position);
}
while (breakNode == node)
getNextSoftBreak(line, breakNode, breakOffset);
}
return finishText(result);
}
PassRefPtr<Range> HTMLTextFormControlElement::selection() const
{
if (!renderer() || !isTextFormControl() || !hasCachedSelection())
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);
}
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);
}
void HTMLTextFormControlElement::setInnerTextValue(const String& value)
{
if (!isTextFormControl())
return;
bool textIsChanged = value != innerTextValue();
if (textIsChanged || !innerTextElement()->hasChildNodes()) {
if (textIsChanged && document() && renderer() && AXObjectCache::accessibilityEnabled())
document()->axObjectCache()->postNotification(this, AXObjectCache::AXValueChanged, false);
ExceptionCode ec = 0;
innerTextElement()->setInnerText(value, ec);
ASSERT(!ec);
if (value.endsWith('\n') || value.endsWith('\r')) {
innerTextElement()->appendChild(HTMLBRElement::create(document()), ec);
ASSERT(!ec);
}
}
setFormControlValueMatchesRenderer(true);
}
void HTMLTextFormControlElement::setSelectionRange(int start, int end, TextFieldSelectionDirection direction)
{
if (!isTextFormControl())
return;
end = std::max(end, 0);
start = std::min(std::max(start, 0), end);
TextControlInnerTextElement* innerText = innerTextElement();
bool hasFocus = document().focusedElement() == this;
if (!hasFocus && innerText) {
// FIXME: Removing this synchronous layout requires fixing <https://webkit.org/b/128797>
document().updateLayoutIgnorePendingStylesheets();
if (RenderElement* rendererTextControl = renderer()) {
if (rendererTextControl->style().visibility() == HIDDEN || !innerText->renderBox()->height()) {
cacheSelection(start, end, direction);
return;
}
}
}
Position startPosition = positionForIndex(innerText, start);
Position endPosition;
if (start == end)
endPosition = startPosition;
else {
if (direction == SelectionHasBackwardDirection) {
endPosition = startPosition;
startPosition = positionForIndex(innerText, end);
} else
endPosition = positionForIndex(innerText, end);
}
if (Frame* frame = document().frame())
frame->selection().moveWithoutValidationTo(startPosition, endPosition, direction != SelectionHasNoDirection, !hasFocus);
}
bool HTMLTextFormControlElement::lastChangeWasUserEdit() const
{
if (!isTextFormControl())
return false;
return m_lastChangeWasUserEdit;
}
String HTMLTextFormControlElement::selectedText() const
{
if (!isTextFormControl())
return String();
return value().substring(selectionStart(), selectionEnd() - selectionStart());
}
