void HTMLTextFormControlElement::setInnerTextValue(const String& value)
{
TextControlInnerTextElement* innerText = innerTextElement();
if (!innerText)
return;
ASSERT(isTextFormControl());
String previousValue = innerTextValueFrom(*innerText);
bool textIsChanged = value != previousValue;
if (textIsChanged || !innerText->hasChildNodes()) {
#if HAVE(ACCESSIBILITY) && !PLATFORM(COCOA)
if (textIsChanged && renderer()) {
if (AXObjectCache* cache = document().existingAXObjectCache())
cache->postNotification(this, AXObjectCache::AXValueChanged, TargetObservableParent);
}
#endif
innerText->setInnerText(value, ASSERT_NO_EXCEPTION);
if (value.endsWith('\n') || value.endsWith('\r'))
innerText->appendChild(HTMLBRElement::create(document()), ASSERT_NO_EXCEPTION);
#if HAVE(ACCESSIBILITY) && PLATFORM(COCOA)
if (textIsChanged && renderer()) {
if (AXObjectCache* cache = document().existingAXObjectCache())
cache->postTextReplacementNotification(this, AXTextEditTypeDelete, previousValue, AXTextEditTypeInsert, value, VisiblePosition(Position(this, Position::PositionIsBeforeAnchor)));
}
#endif
}
setFormControlValueMatchesRenderer(true);
}
int HTMLTextFormControlElement::indexForVisiblePosition(const VisiblePosition& position) const
{
TextControlInnerTextElement* innerText = innerTextElement();
if (!innerText || !innerText->contains(position.deepEquivalent().anchorNode()))
return 0;
unsigned index = indexForPosition(position.deepEquivalent());
ASSERT(VisiblePosition(positionForIndex(innerTextElement(), index)) == position);
return index;
}
int RenderTextControl::textBlockLogicalWidth() const
{
TextControlInnerTextElement* innerText = innerTextElement();
ASSERT(innerText);
LayoutUnit unitWidth = logicalWidth() - borderAndPaddingLogicalWidth();
if (innerText->renderer())
unitWidth -= innerText->renderBox()->paddingStart() + innerText->renderBox()->paddingEnd();
return unitWidth;
}
void RenderTextControl::hitInnerTextElement(HitTestResult& result, const LayoutPoint& pointInContainer, const LayoutPoint& accumulatedOffset)
{
TextControlInnerTextElement* innerText = innerTextElement();
if (!innerText->renderer())
return;
LayoutPoint adjustedLocation = accumulatedOffset + location();
LayoutPoint localPoint = pointInContainer - toLayoutSize(adjustedLocation + innerText->renderBox()->location()) + scrolledContentOffset();
result.setInnerNode(innerText);
result.setInnerNonSharedNode(innerText);
result.setLocalPoint(localPoint);
}
void RenderTextControl::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
RenderBlockFlow::styleDidChange(diff, oldStyle);
TextControlInnerTextElement* innerText = innerTextElement();
if (!innerText)
return;
RenderTextControlInnerBlock* innerTextRenderer = innerText->renderer();
if (innerTextRenderer) {
// We may have set the width and the height in the old style in layout().
// Reset them now to avoid getting a spurious layout hint.
innerTextRenderer->style().setHeight(Length());
innerTextRenderer->style().setWidth(Length());
innerTextRenderer->setStyle(createInnerTextStyle(&style()));
}
textFormControlElement().updatePlaceholderVisibility();
}
void RenderTextControl::computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues& computedValues) const
{
TextControlInnerTextElement* innerText = innerTextElement();
ASSERT(innerText);
if (RenderBox* innerTextBox = innerText->renderBox()) {
LayoutUnit nonContentHeight = innerTextBox->verticalBorderAndPaddingExtent() + innerTextBox->verticalMarginExtent();
logicalHeight = computeControlLogicalHeight(innerTextBox->lineHeight(true, HorizontalLine, PositionOfInteriorLineBoxes), nonContentHeight) + verticalBorderAndPaddingExtent();
// We are able to have a horizontal scrollbar if the overflow style is scroll, or if its auto and there's no word wrap.
if ((isHorizontalWritingMode() && (style().overflowX() == OSCROLL || (style().overflowX() == OAUTO && innerText->renderer()->style().overflowWrap() == NormalOverflowWrap)))
|| (!isHorizontalWritingMode() && (style().overflowY() == OSCROLL || (style().overflowY() == OAUTO && innerText->renderer()->style().overflowWrap() == NormalOverflowWrap))))
logicalHeight += scrollbarThickness();
}
RenderBox::computeLogicalHeight(logicalHeight, logicalTop, computedValues);
}
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.
if (!isTextFormControl())
return value();
TextControlInnerTextElement* innerText = innerTextElement();
if (!innerText)
return value();
RenderTextControlInnerBlock* renderer = 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 (is<HTMLBRElement>(*node))
result.append(newlineCharacter);
else if (is<Text>(*node)) {
String data = downcast<Text>(*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);
}
stripTrailingNewline(result);
return result.toString();
}
static String innerTextValueFrom(TextControlInnerTextElement& innerText)
{
StringBuilder result;
for (Node* node = innerText.firstChild(); node; node = NodeTraversal::next(*node, &innerText)) {
if (is<HTMLBRElement>(*node))
result.append(newlineCharacter);
else if (is<Text>(*node))
result.append(downcast<Text>(*node).data());
}
stripTrailingNewline(result);
return result.toString();
}
PassRefPtr<Range> HTMLTextFormControlElement::selection() const
{
if (!renderer() || !isTextFormControl() || !hasCachedSelection())
return nullptr;
int start = m_cachedSelectionStart;
int end = m_cachedSelectionEnd;
ASSERT(start <= end);
TextControlInnerTextElement* innerText = innerTextElement();
if (!innerText)
return nullptr;
if (!innerText->firstChild())
return Range::create(document(), innerText, 0, innerText, 0);
int offset = 0;
Node* startNode = nullptr;
Node* endNode = nullptr;
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 nullptr;
return Range::create(document(), startNode, start, endNode, end);
}
unsigned HTMLTextFormControlElement::indexForPosition(const Position& passedPosition) const
{
TextControlInnerTextElement* innerText = innerTextElement();
if (!innerText || !innerText->contains(passedPosition.anchorNode()) || passedPosition.isNull())
return 0;
if (positionBeforeNode(innerText) == passedPosition)
return 0;
unsigned index = 0;
Node* startNode = passedPosition.computeNodeBeforePosition();
if (!startNode)
startNode = passedPosition.containerNode();
ASSERT(startNode);
ASSERT(innerText->contains(startNode));
for (Node* node = startNode; node; node = NodeTraversal::previous(*node, innerText)) {
if (is<Text>(*node)) {
unsigned length = downcast<Text>(*node).length();
if (node == passedPosition.containerNode())
index += std::min<unsigned>(length, passedPosition.offsetInContainerNode());
else
index += length;
} else if (is<HTMLBRElement>(*node))
++index;
}
unsigned length = innerTextValue().length();
index = std::min(index, length); // FIXME: We shouldn't have to call innerTextValue() just to ignore the last LF. See finishText.
#ifndef ASSERT_DISABLED
VisiblePosition visiblePosition = passedPosition;
unsigned indexComputedByVisiblePosition = 0;
if (visiblePosition.isNotNull())
indexComputedByVisiblePosition = WebCore::indexForVisiblePosition(innerText, visiblePosition, false /* forSelectionPreservation */);
ASSERT(index == indexComputedByVisiblePosition);
#endif
return index;
}
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);
}
void RenderTextControl::updateFromElement()
{
TextControlInnerTextElement* innerText = innerTextElement();
if (innerText && innerText->renderer())
updateUserModifyProperty(textFormControlElement(), &innerText->renderer()->style());
}
