| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * Copyright (C) 2011 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "core/html/forms/CheckboxInputType.h" |
| |
| #include "core/InputTypeNames.h" |
| #include "core/events/KeyboardEvent.h" |
| #include "core/html/HTMLInputElement.h" |
| #include "platform/text/PlatformLocale.h" |
| |
| namespace blink { |
| |
| InputType* CheckboxInputType::create(HTMLInputElement& element) { |
| return new CheckboxInputType(element); |
| } |
| |
| const AtomicString& CheckboxInputType::formControlType() const { |
| return InputTypeNames::checkbox; |
| } |
| |
| bool CheckboxInputType::valueMissing(const String&) const { |
| return element().isRequired() && !element().checked(); |
| } |
| |
| String CheckboxInputType::valueMissingText() const { |
| return locale().queryString( |
| WebLocalizedString::ValidationValueMissingForCheckbox); |
| } |
| |
| void CheckboxInputType::handleKeyupEvent(KeyboardEvent* event) { |
| const String& key = event->key(); |
| if (key != " ") |
| return; |
| dispatchSimulatedClickIfActive(event); |
| } |
| |
| ClickHandlingState* CheckboxInputType::willDispatchClick() { |
| // An event handler can use preventDefault or "return false" to reverse the |
| // checking we do here. The ClickHandlingState object contains what we need |
| // to undo what we did here in didDispatchClick. |
| |
| ClickHandlingState* state = new ClickHandlingState; |
| |
| state->checked = element().checked(); |
| state->indeterminate = element().indeterminate(); |
| |
| if (state->indeterminate) |
| element().setIndeterminate(false); |
| |
| element().setChecked(!state->checked, DispatchChangeEvent); |
| m_isInClickHandler = true; |
| return state; |
| } |
| |
| void CheckboxInputType::didDispatchClick(Event* event, |
| const ClickHandlingState& state) { |
| if (event->defaultPrevented() || event->defaultHandled()) { |
| element().setIndeterminate(state.indeterminate); |
| element().setChecked(state.checked); |
| } else { |
| element().dispatchChangeEventIfNeeded(); |
| } |
| m_isInClickHandler = false; |
| // The work we did in willDispatchClick was default handling. |
| event->setDefaultHandled(); |
| } |
| |
| bool CheckboxInputType::shouldAppearIndeterminate() const { |
| return element().indeterminate(); |
| } |
| |
| } // namespace blink |