/* * Copyright (C) 2010 Google Inc. All rights reserved. * Copyright (C) 2011-2018 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 "config.h" #include "CheckboxInputType.h" #include "HTMLInputElement.h" #include "InputTypeNames.h" #include "KeyboardEvent.h" #include "LocalizedStrings.h" namespace WebCore { const AtomString& CheckboxInputType::formControlType() const { return InputTypeNames::checkbox(); } bool CheckboxInputType::valueMissing(const String&) const { ASSERT(element()); return element()->isRequired() && !element()->checked(); } String CheckboxInputType::valueMissingText() const { return validationMessageValueMissingForCheckboxText(); } void CheckboxInputType::handleKeyupEvent(KeyboardEvent& event) { const String& key = event.keyIdentifier(); if (key != "U+0020") return; dispatchSimulatedClickIfActive(event); } void CheckboxInputType::willDispatchClick(InputElementClickState& state) { ASSERT(element()); // An event handler can use preventDefault or "return false" to reverse the checking we do here. // The InputElementClickState object contains what we need to undo what we did here in didDispatchClick. state.checked = element()->checked(); state.indeterminate = element()->indeterminate(); if (state.indeterminate) element()->setIndeterminate(false); element()->setChecked(!state.checked); } void CheckboxInputType::didDispatchClick(Event& event, const InputElementClickState& state) { if (event.defaultPrevented() || event.defaultHandled()) { ASSERT(element()); element()->setIndeterminate(state.indeterminate); element()->setChecked(state.checked); } else fireInputAndChangeEvents(); // The work we did in willDispatchClick was default handling. event.setDefaultHandled(); } bool CheckboxInputType::isCheckbox() const { return true; } bool CheckboxInputType::matchesIndeterminatePseudoClass() const { return shouldAppearIndeterminate(); } bool CheckboxInputType::shouldAppearIndeterminate() const { ASSERT(element()); return element()->indeterminate(); } } // namespace WebCore