1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * Copyright (C) 2011 Apple Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include "config.h" 33 #include "core/html/forms/BaseCheckableInputType.h" 34 35 #include "core/HTMLNames.h" 36 #include "core/events/KeyboardEvent.h" 37 #include "core/html/FormDataList.h" 38 #include "core/html/HTMLInputElement.h" 39 #include "core/html/forms/FormController.h" 40 41 namespace blink { 42 43 using namespace HTMLNames; 44 45 FormControlState BaseCheckableInputType::saveFormControlState() const 46 { 47 return FormControlState(element().checked() ? "on" : "off"); 48 } 49 50 void BaseCheckableInputType::restoreFormControlState(const FormControlState& state) 51 { 52 element().setChecked(state[0] == "on"); 53 } 54 55 bool BaseCheckableInputType::appendFormData(FormDataList& encoding, bool) const 56 { 57 if (!element().checked()) 58 return false; 59 encoding.appendData(element().name(), element().value()); 60 return true; 61 } 62 63 void BaseCheckableInputType::handleKeydownEvent(KeyboardEvent* event) 64 { 65 const String& key = event->keyIdentifier(); 66 if (key == "U+0020") { 67 element().setActive(true); 68 // No setDefaultHandled(), because IE dispatches a keypress in this case 69 // and the caller will only dispatch a keypress if we don't call setDefaultHandled(). 70 } 71 } 72 73 void BaseCheckableInputType::handleKeypressEvent(KeyboardEvent* event) 74 { 75 if (event->charCode() == ' ') { 76 // Prevent scrolling down the page. 77 event->setDefaultHandled(); 78 } 79 } 80 81 bool BaseCheckableInputType::canSetStringValue() const 82 { 83 return false; 84 } 85 86 // FIXME: Could share this with BaseClickableWithKeyInputType and RangeInputType if we had a common base class. 87 void BaseCheckableInputType::accessKeyAction(bool sendMouseEvents) 88 { 89 InputType::accessKeyAction(sendMouseEvents); 90 91 element().dispatchSimulatedClick(0, sendMouseEvents ? SendMouseUpDownEvents : SendNoEvents); 92 } 93 94 String BaseCheckableInputType::fallbackValue() const 95 { 96 return "on"; 97 } 98 99 bool BaseCheckableInputType::storesValueSeparateFromAttribute() 100 { 101 return false; 102 } 103 104 void BaseCheckableInputType::setValue(const String& sanitizedValue, bool, TextFieldEventBehavior) 105 { 106 element().setAttribute(valueAttr, AtomicString(sanitizedValue)); 107 } 108 109 bool BaseCheckableInputType::isCheckable() 110 { 111 return true; 112 } 113 114 bool BaseCheckableInputType::shouldDispatchFormControlChangeEvent(String& oldValue, String& newValue) 115 { 116 return oldValue != newValue; 117 } 118 119 } // namespace blink 120