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/HiddenInputType.h" 34 35#include "core/HTMLNames.h" 36#include "core/InputTypeNames.h" 37#include "core/html/FormDataList.h" 38#include "core/html/HTMLInputElement.h" 39#include "core/html/forms/FormController.h" 40#include "wtf/PassOwnPtr.h" 41 42namespace blink { 43 44using namespace HTMLNames; 45 46PassRefPtrWillBeRawPtr<InputType> HiddenInputType::create(HTMLInputElement& element) 47{ 48 return adoptRefWillBeNoop(new HiddenInputType(element)); 49} 50 51const AtomicString& HiddenInputType::formControlType() const 52{ 53 return InputTypeNames::hidden; 54} 55 56FormControlState HiddenInputType::saveFormControlState() const 57{ 58 // valueAttributeWasUpdatedAfterParsing() never be true for form 59 // controls create by createElement() or cloneNode(). It's ok for 60 // now because we restore values only to form controls created by 61 // parsing. 62 return element().valueAttributeWasUpdatedAfterParsing() ? FormControlState(element().value()) : FormControlState(); 63} 64 65void HiddenInputType::restoreFormControlState(const FormControlState& state) 66{ 67 element().setAttribute(valueAttr, AtomicString(state[0])); 68} 69 70bool HiddenInputType::supportsValidation() const 71{ 72 return false; 73} 74 75RenderObject* HiddenInputType::createRenderer(RenderStyle*) const 76{ 77 ASSERT_NOT_REACHED(); 78 return 0; 79} 80 81void HiddenInputType::accessKeyAction(bool) 82{ 83} 84 85bool HiddenInputType::rendererIsNeeded() 86{ 87 return false; 88} 89 90bool HiddenInputType::storesValueSeparateFromAttribute() 91{ 92 return false; 93} 94 95void HiddenInputType::setValue(const String& sanitizedValue, bool, TextFieldEventBehavior) 96{ 97 element().setAttribute(valueAttr, AtomicString(sanitizedValue)); 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 blink 115