void HTMLTextAreaElement::setSuggestedValue(const String& value) {
m_suggestedValue = value;
if (!value.isNull())
setInnerEditorValue(m_suggestedValue);
else
setInnerEditorValue(m_value);
updatePlaceholderVisibility();
setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(
StyleChangeReason::ControlValue));
}
void HTMLTextAreaElement::setValueCommon(const String& newValue,
TextFieldEventBehavior eventBehavior,
SetValueCommonOption setValueOption) {
// Code elsewhere normalizes line endings added by the user via the keyboard
// or pasting. We normalize line endings coming from JavaScript here.
String normalizedValue = newValue.isNull() ? "" : newValue;
normalizedValue.replace("\r\n", "\n");
normalizedValue.replace('\r', '\n');
// Return early because we don't want to trigger other side effects
// when the value isn't changing.
// FIXME: Simple early return doesn't match the Firefox ever.
// Remove these lines.
if (normalizedValue == value()) {
if (setValueOption == SetSeletion) {
setNeedsValidityCheck();
if (isFinishedParsingChildren()) {
// Set the caret to the end of the text value except for initialize.
unsigned endOfString = m_value.length();
setSelectionRange(endOfString, endOfString);
}
}
return;
}
m_value = normalizedValue;
setInnerEditorValue(m_value);
if (eventBehavior == DispatchNoEvent)
setLastChangeWasNotUserEdit();
updatePlaceholderVisibility();
setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(
StyleChangeReason::ControlValue));
m_suggestedValue = String();
setNeedsValidityCheck();
if (isFinishedParsingChildren()) {
// Set the caret to the end of the text value except for initialize.
unsigned endOfString = m_value.length();
setSelectionRange(endOfString, endOfString);
}
notifyFormStateChanged();
switch (eventBehavior) {
case DispatchChangeEvent:
dispatchFormControlChangeEvent();
break;
case DispatchInputAndChangeEvent:
dispatchFormControlInputEvent();
dispatchFormControlChangeEvent();
break;
case DispatchNoEvent:
// We need to update textAsOfLastFormControlChangeEvent for |value| IDL
// setter without focus because input-assist features use setValue("...",
// DispatchChangeEvent) without setting focus.
if (!isFocused())
setTextAsOfLastFormControlChangeEvent(normalizedValue);
break;
}
}
void HTMLTextAreaElement::childrenChanged(const ChildrenChange& change) {
HTMLElement::childrenChanged(change);
setLastChangeWasNotUserEdit();
if (m_isDirty)
setInnerEditorValue(value());
else
setNonDirtyValue(defaultValue());
}
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 = innerEditorValue();
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);
setInnerEditorValue(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);
}
