SearchInputType.cpp [plain text]
#include "config.h"
#include "SearchInputType.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "InputTypeNames.h"
#include "KeyboardEvent.h"
#include "RenderSearchField.h"
#include "ShadowRoot.h"
#include "TextControlInnerElements.h"
#include <wtf/PassOwnPtr.h>
namespace WebCore {
using namespace HTMLNames;
inline SearchInputType::SearchInputType(HTMLInputElement* element)
: BaseTextInputType(element)
, m_resultsButton(0)
, m_cancelButton(0)
, m_searchEventTimer(this, &SearchInputType::searchEventTimerFired)
{
}
PassOwnPtr<InputType> SearchInputType::create(HTMLInputElement* element)
{
return adoptPtr(new SearchInputType(element));
}
void SearchInputType::attach()
{
TextFieldInputType::attach();
observeFeatureIfVisible(FeatureObserver::InputTypeSearch);
}
void SearchInputType::addSearchResult()
{
#if !PLATFORM(IOS)
if (RenderObject* renderer = element()->renderer())
toRenderSearchField(renderer)->addSearchResult();
#endif
}
RenderObject* SearchInputType::createRenderer(RenderArena* arena, RenderStyle*) const
{
return new (arena) RenderSearchField(element());
}
const AtomicString& SearchInputType::formControlType() const
{
return InputTypeNames::search();
}
bool SearchInputType::shouldRespectSpeechAttribute()
{
return true;
}
bool SearchInputType::isSearchField() const
{
return true;
}
bool SearchInputType::needsContainer() const
{
return true;
}
void SearchInputType::createShadowSubtree()
{
ASSERT(!m_resultsButton);
ASSERT(!m_cancelButton);
TextFieldInputType::createShadowSubtree();
HTMLElement* container = containerElement();
HTMLElement* textWrapper = innerBlockElement();
ASSERT(container);
ASSERT(textWrapper);
RefPtr<SearchFieldResultsButtonElement> resultsButton = SearchFieldResultsButtonElement::create(element()->document());
m_resultsButton = resultsButton.get();
container->insertBefore(m_resultsButton, textWrapper, IGNORE_EXCEPTION);
RefPtr<SearchFieldCancelButtonElement> cancelButton = SearchFieldCancelButtonElement::create(element()->document());
m_cancelButton = cancelButton.get();
container->insertBefore(m_cancelButton, textWrapper->nextSibling(), IGNORE_EXCEPTION);
}
HTMLElement* SearchInputType::resultsButtonElement() const
{
return m_resultsButton;
}
HTMLElement* SearchInputType::cancelButtonElement() const
{
return m_cancelButton;
}
void SearchInputType::handleKeydownEvent(KeyboardEvent* event)
{
if (element()->isDisabledOrReadOnly()) {
TextFieldInputType::handleKeydownEvent(event);
return;
}
const String& key = event->keyIdentifier();
if (key == "U+001B") {
RefPtr<HTMLInputElement> input = element();
input->setValueForUser("");
input->onSearch();
event->setDefaultHandled();
return;
}
TextFieldInputType::handleKeydownEvent(event);
}
void SearchInputType::destroyShadowSubtree()
{
TextFieldInputType::destroyShadowSubtree();
m_resultsButton = 0;
m_cancelButton = 0;
}
void SearchInputType::startSearchEventTimer()
{
ASSERT(element()->renderer());
unsigned length = element()->innerTextValue().length();
if (!length) {
stopSearchEventTimer();
element()->onSearch();
return;
}
m_searchEventTimer.startOneShot(max(0.2, 0.6 - 0.1 * length));
}
void SearchInputType::stopSearchEventTimer()
{
m_searchEventTimer.stop();
}
void SearchInputType::searchEventTimerFired(Timer<SearchInputType>*)
{
element()->onSearch();
}
bool SearchInputType::searchEventsShouldBeDispatched() const
{
return element()->hasAttribute(incrementalAttr);
}
void SearchInputType::didSetValueByUserEdit(ValueChangeState state)
{
if (m_cancelButton)
toRenderSearchField(element()->renderer())->updateCancelButtonVisibility();
if (searchEventsShouldBeDispatched())
startSearchEventTimer();
TextFieldInputType::didSetValueByUserEdit(state);
}
}