void InputElement::aboutToUnload(InputElementData& data, Document* document)
{
if (!data.inputElement()->isTextField() || !data.element()->focused() || !document->frame())
return;
document->frame()->textFieldDidEndEditing(data.element());
}
void InputElement::parseSizeAttribute(InputElementData& data, MappedAttribute* attribute)
{
data.setSize(attribute->isNull() ? InputElement::s_defaultSize : attribute->value().toInt());
if (RenderObject* renderer = data.element()->renderer())
renderer->setNeedsLayoutAndPrefWidthsRecalc();
}
void InputElement::updateSelectionRange(InputElementData& data, int start, int end)
{
if (!data.inputElement()->isTextField())
return;
if (RenderTextControl* renderer = toRenderTextControl(data.element()->renderer()))
renderer->setSelectionRange(start, end);
}
void InputElement::notifyFormStateChanged(InputElementData& data, Document* document)
{
Frame* frame = document->frame();
if (!frame)
return;
if (Page* page = frame->page())
page->chrome()->client()->formStateDidChange(data.element());
}
void InputElement::updatePlaceholderVisibility(InputElementData& data, Document* document, bool placeholderValueChanged)
{
ASSERT(data.inputElement()->isTextField());
bool oldPlaceholderShouldBeVisible = data.placeholderShouldBeVisible();
Element* element = data.element();
data.setPlaceholderShouldBeVisible(data.inputElement()->value().isEmpty()
&& document->focusedNode() != element
&& !data.inputElement()->placeholder().isEmpty());
if ((oldPlaceholderShouldBeVisible != data.placeholderShouldBeVisible() || placeholderValueChanged) && element->renderer())
static_cast<RenderTextControlSingleLine*>(element->renderer())->updatePlaceholderVisibility();
}
void InputElement::parseMaxLengthAttribute(InputElementData& data, MappedAttribute* attribute)
{
int maxLength = attribute->isNull() ? InputElement::s_maximumLength : attribute->value().toInt();
if (maxLength <= 0 || maxLength > InputElement::s_maximumLength)
maxLength = InputElement::s_maximumLength;
int oldMaxLength = data.maxLength();
data.setMaxLength(maxLength);
if (oldMaxLength != maxLength)
updateValueIfNeeded(data);
data.element()->setNeedsStyleRecalc();
}
void InputElement::dispatchBlurEvent(InputElementData& data, Document* document)
{
if (!data.inputElement()->isTextField())
return;
Frame* frame = document->frame();
if (!frame)
return;
updatePlaceholderVisibility(data, document);
if (data.inputElement()->isPasswordField())
document->setUseSecureKeyboardEntryWhenActive(false);
frame->textFieldDidEndEditing(data.element());
}
void InputElement::setValueFromRenderer(InputElementData& data, Document* document, const String& value)
{
// Renderer and our event handler are responsible for constraining values.
ASSERT(value == data.inputElement()->constrainValue(value) || data.inputElement()->constrainValue(value).isEmpty());
if (data.inputElement()->isTextField())
updatePlaceholderVisibility(data, document);
// Workaround for bug where trailing \n is included in the result of textContent.
// The assert macro above may also be simplified to: value == constrainValue(value)
// http://bugs.webkit.org/show_bug.cgi?id=9661
if (value == "\n")
data.setValue("");
else
data.setValue(value);
Element* element = data.element();
element->setFormControlValueMatchesRenderer(true);
// Fire the "input" DOM event
element->dispatchEvent(eventNames().inputEvent, true, false);
notifyFormStateChanged(data, document);
}