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IN NO EVENT SHALL THE COPYRIGHT 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "config.h" 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "core/html/forms/CheckboxInputType.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "core/InputTypeNames.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "core/events/KeyboardEvent.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "core/html/HTMLInputElement.h" 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "platform/text/PlatformLocale.h" 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "wtf/PassOwnPtr.h" 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgnamespace blink { 42 43PassRefPtrWillBeRawPtr<InputType> CheckboxInputType::create(HTMLInputElement& element) 44{ 45 return adoptRefWillBeNoop(new CheckboxInputType(element)); 46} 47 48const AtomicString& CheckboxInputType::formControlType() const 49{ 50 return InputTypeNames::checkbox; 51} 52 53bool CheckboxInputType::valueMissing(const String&) const 54{ 55 return element().isRequired() && !element().checked(); 56} 57 58String CheckboxInputType::valueMissingText() const 59{ 60 return locale().queryString(blink::WebLocalizedString::ValidationValueMissingForCheckbox); 61} 62 63void CheckboxInputType::handleKeyupEvent(KeyboardEvent* event) 64{ 65 const String& key = event->keyIdentifier(); 66 if (key != "U+0020") 67 return; 68 dispatchSimulatedClickIfActive(event); 69} 70 71PassOwnPtrWillBeRawPtr<ClickHandlingState> CheckboxInputType::willDispatchClick() 72{ 73 // An event handler can use preventDefault or "return false" to reverse the checking we do here. 74 // The ClickHandlingState object contains what we need to undo what we did here in didDispatchClick. 75 76 OwnPtrWillBeRawPtr<ClickHandlingState> state = adoptPtrWillBeNoop(new ClickHandlingState); 77 78 state->checked = element().checked(); 79 state->indeterminate = element().indeterminate(); 80 81 if (state->indeterminate) 82 element().setIndeterminate(false); 83 84 element().setChecked(!state->checked, DispatchChangeEvent); 85 86 return state.release(); 87} 88 89void CheckboxInputType::didDispatchClick(Event* event, const ClickHandlingState& state) 90{ 91 if (event->defaultPrevented() || event->defaultHandled()) { 92 element().setIndeterminate(state.indeterminate); 93 element().setChecked(state.checked); 94 } 95 96 // The work we did in willDispatchClick was default handling. 97 event->setDefaultHandled(); 98} 99 100bool CheckboxInputType::shouldAppearIndeterminate() const 101{ 102 return element().indeterminate(); 103} 104 105} // namespace blink 106