void HTMLTextAreaElement::setValueCommon(const String& newValue)
{
m_wasModifiedByUser = false;
// 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 move the caret or trigger other side effects
// when the value isn't changing. This matches Firefox behavior, at least.
if (normalizedValue == value())
return;
m_value = normalizedValue;
setInnerTextValue(m_value);
setLastChangeWasNotUserEdit();
updatePlaceholderVisibility(false);
setNeedsStyleRecalc();
setFormControlValueMatchesRenderer(true);
// Set the caret to the end of the text value.
if (document()->focusedNode() == this) {
unsigned endOfString = m_value.length();
setSelectionRange(endOfString, endOfString);
}
notifyFormStateChanged();
setTextAsOfLastFormControlChangeEvent(normalizedValue);
}
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 HTMLTextFormControlElement::dispatchFormControlChangeEvent()
{
if (m_textAsOfLastFormControlChangeEvent != value()) {
HTMLElement::dispatchChangeEvent();
setTextAsOfLastFormControlChangeEvent(value());
}
setChangedSinceLastFormControlChangeEvent(false);
}
void HTMLTextFormControlElement::dispatchFormControlChangeEvent()
{
if (!equalIgnoringNullity(m_textAsOfLastFormControlChangeEvent, value())) {
dispatchChangeEvent();
setTextAsOfLastFormControlChangeEvent(value());
}
setChangedSinceLastFormControlChangeEvent(false);
}
void HTMLTextFormControlElement::dispatchFormControlChangeEvent()
{
String newValue = value();
if (shouldDispatchFormControlChangeEvent(m_textAsOfLastFormControlChangeEvent, newValue)) {
setTextAsOfLastFormControlChangeEvent(newValue);
dispatchChangeEvent();
}
setChangedSinceLastFormControlChangeEvent(false);
}