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 "HiddenInputType.h" 34 35#include "FormController.h" 36#include "FormDataList.h" 37#include "HTMLInputElement.h" 38#include "HTMLNames.h" 39#include "InputTypeNames.h" 40#include "RenderElement.h" 41 42namespace WebCore { 43 44using namespace HTMLNames; 45 46const AtomicString& HiddenInputType::formControlType() const 47{ 48 return InputTypeNames::hidden(); 49} 50 51FormControlState HiddenInputType::saveFormControlState() const 52{ 53 // valueAttributeWasUpdatedAfterParsing() never be true for form 54 // controls create by createElement() or cloneNode(). It's ok for 55 // now because we restore values only to form controls created by 56 // parsing. 57 return element().valueAttributeWasUpdatedAfterParsing() ? FormControlState(element().value()) : FormControlState(); 58} 59 60void HiddenInputType::restoreFormControlState(const FormControlState& state) 61{ 62 element().setAttribute(valueAttr, state[0]); 63} 64 65bool HiddenInputType::supportsValidation() const 66{ 67 return false; 68} 69 70RenderPtr<RenderElement> HiddenInputType::createInputRenderer(PassRef<RenderStyle>) 71{ 72 ASSERT_NOT_REACHED(); 73 return nullptr; 74} 75 76void HiddenInputType::accessKeyAction(bool) 77{ 78} 79 80bool HiddenInputType::rendererIsNeeded() 81{ 82 return false; 83} 84 85bool HiddenInputType::storesValueSeparateFromAttribute() 86{ 87 return false; 88} 89 90void HiddenInputType::setValue(const String& sanitizedValue, bool, TextFieldEventBehavior) 91{ 92 element().setAttribute(valueAttr, sanitizedValue); 93} 94 95bool HiddenInputType::isHiddenType() const 96{ 97 return true; 98} 99 100bool HiddenInputType::appendFormData(FormDataList& encoding, bool isMultipartForm) const 101{ 102 if (equalIgnoringCase(element().name(), "_charset_")) { 103 encoding.appendData(element().name(), String(encoding.encoding().name())); 104 return true; 105 } 106 return InputType::appendFormData(encoding, isMultipartForm); 107} 108 109bool HiddenInputType::shouldRespectHeightAndWidthAttributes() 110{ 111 return true; 112} 113 114} // namespace WebCore 115