| 1 | /* |
| 2 | * Copyright (C) 2010 Google Inc. All rights reserved. |
| 3 | * Copyright (C) 2011-2018 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 "BaseCheckableInputType.h" |
| 34 | |
| 35 | #include "DOMFormData.h" |
| 36 | #include "FormController.h" |
| 37 | #include "HTMLInputElement.h" |
| 38 | #include "HTMLNames.h" |
| 39 | #include "KeyboardEvent.h" |
| 40 | #include <wtf/NeverDestroyed.h> |
| 41 | |
| 42 | namespace WebCore { |
| 43 | |
| 44 | using namespace HTMLNames; |
| 45 | |
| 46 | FormControlState BaseCheckableInputType::saveFormControlState() const |
| 47 | { |
| 48 | ASSERT(element()); |
| 49 | return { element()->checked() ? "on"_s : "off"_s }; |
| 50 | } |
| 51 | |
| 52 | void BaseCheckableInputType::restoreFormControlState(const FormControlState& state) |
| 53 | { |
| 54 | ASSERT(element()); |
| 55 | element()->setChecked(state[0] == "on" ); |
| 56 | } |
| 57 | |
| 58 | bool BaseCheckableInputType::appendFormData(DOMFormData& formData, bool) const |
| 59 | { |
| 60 | ASSERT(element()); |
| 61 | if (!element()->checked()) |
| 62 | return false; |
| 63 | formData.append(element()->name(), element()->value()); |
| 64 | return true; |
| 65 | } |
| 66 | |
| 67 | auto BaseCheckableInputType::handleKeydownEvent(KeyboardEvent& event) -> ShouldCallBaseEventHandler |
| 68 | { |
| 69 | const String& key = event.keyIdentifier(); |
| 70 | if (key == "U+0020" ) { |
| 71 | ASSERT(element()); |
| 72 | element()->setActive(true, true); |
| 73 | // No setDefaultHandled(), because IE dispatches a keypress in this case |
| 74 | // and the caller will only dispatch a keypress if we don't call setDefaultHandled(). |
| 75 | return ShouldCallBaseEventHandler::No; |
| 76 | } |
| 77 | return ShouldCallBaseEventHandler::Yes; |
| 78 | } |
| 79 | |
| 80 | void BaseCheckableInputType::handleKeypressEvent(KeyboardEvent& event) |
| 81 | { |
| 82 | if (event.charCode() == ' ') { |
| 83 | // Prevent scrolling down the page. |
| 84 | event.setDefaultHandled(); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | bool BaseCheckableInputType::canSetStringValue() const |
| 89 | { |
| 90 | return false; |
| 91 | } |
| 92 | |
| 93 | // FIXME: Could share this with BaseClickableWithKeyInputType and RangeInputType if we had a common base class. |
| 94 | void BaseCheckableInputType::accessKeyAction(bool sendMouseEvents) |
| 95 | { |
| 96 | InputType::accessKeyAction(sendMouseEvents); |
| 97 | |
| 98 | ASSERT(element()); |
| 99 | element()->dispatchSimulatedClick(0, sendMouseEvents ? SendMouseUpDownEvents : SendNoEvents); |
| 100 | } |
| 101 | |
| 102 | String BaseCheckableInputType::fallbackValue() const |
| 103 | { |
| 104 | static NeverDestroyed<const AtomicString> on("on" , AtomicString::ConstructFromLiteral); |
| 105 | return on.get(); |
| 106 | } |
| 107 | |
| 108 | bool BaseCheckableInputType::storesValueSeparateFromAttribute() |
| 109 | { |
| 110 | return false; |
| 111 | } |
| 112 | |
| 113 | void BaseCheckableInputType::setValue(const String& sanitizedValue, bool, TextFieldEventBehavior) |
| 114 | { |
| 115 | ASSERT(element()); |
| 116 | element()->setAttributeWithoutSynchronization(valueAttr, sanitizedValue); |
| 117 | } |
| 118 | |
| 119 | bool BaseCheckableInputType::isCheckable() |
| 120 | { |
| 121 | return true; |
| 122 | } |
| 123 | |
| 124 | void BaseCheckableInputType::fireInputAndChangeEvents() |
| 125 | { |
| 126 | if (!element()->isConnected()) |
| 127 | return; |
| 128 | |
| 129 | if (!shouldSendChangeEventAfterCheckedChanged()) |
| 130 | return; |
| 131 | |
| 132 | auto protectedThis = makeRef(*this); |
| 133 | element()->setTextAsOfLastFormControlChangeEvent(String()); |
| 134 | element()->dispatchInputEvent(); |
| 135 | if (auto* element = this->element()) |
| 136 | element->dispatchFormControlChangeEvent(); |
| 137 | } |
| 138 | |
| 139 | } // namespace WebCore |
| 140 | |