void FormController::restoreControlStateFor(HTMLFormControlElementWithState& control)
{
// We don't save state of a control with shouldSaveAndRestoreFormControlState()
// == false. But we need to skip restoring process too because a control in
// another form might have the same pair of name and type and saved its state.
if (!control.shouldSaveAndRestoreFormControlState())
return;
if (ownerFormForState(control))
return;
FormControlState state = takeStateForFormElement(control);
if (state.valueSize() > 0)
control.restoreFormControlState(state);
}
void FormController::restoreControlStateIn(HTMLFormElement& form)
{
for (auto& element : form.associatedElements()) {
if (!element->isFormControlElementWithState())
continue;
HTMLFormControlElementWithState* control = static_cast<HTMLFormControlElementWithState*>(element);
if (!control->shouldSaveAndRestoreFormControlState())
continue;
if (ownerFormForState(*control) != &form)
continue;
FormControlState state = takeStateForFormElement(*control);
if (state.valueSize() > 0)
control->restoreFormControlState(state);
}
}
OwnPtr<FormController::SavedFormStateMap> FormController::createSavedFormStateMap(const FormElementListHashSet& controlList)
{
OwnPtr<FormKeyGenerator> keyGenerator = FormKeyGenerator::create();
OwnPtr<SavedFormStateMap> stateMap = adoptPtr(new SavedFormStateMap);
for (FormElementListHashSet::const_iterator it = controlList.begin(); it != controlList.end(); ++it) {
HTMLFormControlElementWithState* control = it->get();
if (!control->shouldSaveAndRestoreFormControlState())
continue;
SavedFormStateMap::AddResult result = stateMap->add(keyGenerator->formKey(*control).impl(), nullptr);
if (result.isNewEntry)
result.iterator->value = SavedFormState::create();
result.iterator->value->appendControlState(control->name(), control->type(), control->saveFormControlState());
}
return stateMap.release();
}
std::unique_ptr<FormController::SavedFormStateMap> FormController::createSavedFormStateMap(const FormElementListHashSet& controlList)
{
FormKeyGenerator keyGenerator;
auto stateMap = std::make_unique<SavedFormStateMap>();
for (FormElementListHashSet::const_iterator it = controlList.begin(); it != controlList.end(); ++it) {
HTMLFormControlElementWithState* control = it->get();
if (!control->shouldSaveAndRestoreFormControlState())
continue;
auto& formState = stateMap->add(keyGenerator.formKey(*control).impl(), nullptr).iterator->value;
if (!formState)
formState = std::make_unique<SavedFormState>();
formState->appendControlState(control->name(), control->type(), control->saveFormControlState());
}
return stateMap;
}
void FormController::restoreControlStateIn(HTMLFormElement& form)
{
const Vector<FormAssociatedElement*>& elements = form.associatedElements();
for (size_t i = 0; i < elements.size(); ++i) {
if (!elements[i]->isFormControlElementWithState())
continue;
HTMLFormControlElementWithState* control = static_cast<HTMLFormControlElementWithState*>(elements[i]);
if (!control->shouldSaveAndRestoreFormControlState())
continue;
if (ownerFormForState(*control) != &form)
continue;
FormControlState state = takeStateForFormElement(*control);
if (state.valueSize() > 0)
control->restoreFormControlState(state);
}
}
