1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2000 Dirk Mueller (mueller (at) kde.org) 5 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 * 22 */ 23 24 #ifndef HTMLFormElement_h 25 #define HTMLFormElement_h 26 27 #include "core/dom/CheckedRadioButtons.h" 28 #include "core/html/HTMLElement.h" 29 #include "core/html/HTMLFormControlElement.h" 30 #include "core/loader/FormState.h" 31 #include "core/loader/FormSubmission.h" 32 #include "wtf/OwnPtr.h" 33 34 namespace WTF{ 35 class TextEncoding; 36 } 37 38 namespace WebCore { 39 40 class Event; 41 class FormAssociatedElement; 42 class FormData; 43 class HTMLFormControlElement; 44 class HTMLImageElement; 45 class HTMLInputElement; 46 47 class HTMLFormElement FINAL : public HTMLElement { 48 public: 49 static PassRefPtr<HTMLFormElement> create(Document*); 50 static PassRefPtr<HTMLFormElement> create(const QualifiedName&, Document*); 51 virtual ~HTMLFormElement(); 52 53 PassRefPtr<HTMLCollection> elements(); 54 void getNamedElements(const AtomicString&, Vector<RefPtr<Node> >&); 55 56 unsigned length() const; 57 Node* item(unsigned index); 58 59 String enctype() const { return m_attributes.encodingType(); } 60 void setEnctype(const String&); 61 62 String encoding() const { return m_attributes.encodingType(); } 63 void setEncoding(const String& value) { setEnctype(value); } 64 65 bool shouldAutocomplete() const; 66 67 // FIXME: Should rename these two functions to say "form control" or "form-associated element" instead of "form element". 68 void registerFormElement(FormAssociatedElement*); 69 void removeFormElement(FormAssociatedElement*); 70 71 void registerImgElement(HTMLImageElement*); 72 void removeImgElement(HTMLImageElement*); 73 74 bool prepareForSubmission(Event*); 75 void submit(); 76 void submitFromJavaScript(); 77 void reset(); 78 79 void setDemoted(bool); 80 81 void submitImplicitly(Event*, bool fromImplicitSubmissionTrigger); 82 bool formWouldHaveSecureSubmission(const String& url); 83 84 String name() const; 85 86 bool noValidate() const; 87 88 String acceptCharset() const { return m_attributes.acceptCharset(); } 89 void setAcceptCharset(const String&); 90 91 String action() const; 92 void setAction(const String&); 93 94 String method() const; 95 void setMethod(const String&); 96 97 virtual String target() const; 98 99 bool wasUserSubmitted() const; 100 101 HTMLFormControlElement* defaultButton() const; 102 103 bool checkValidity(); 104 bool checkValidityWithoutDispatchingEvents(); 105 106 enum AutocompleteResult { 107 AutocompleteResultSuccess, 108 AutocompleteResultErrorDisabled, 109 AutocompleteResultErrorCancel, 110 AutocompleteResultErrorInvalid, 111 }; 112 113 void requestAutocomplete(); 114 void finishRequestAutocomplete(AutocompleteResult); 115 116 DEFINE_ATTRIBUTE_EVENT_LISTENER(autocomplete); 117 DEFINE_ATTRIBUTE_EVENT_LISTENER(autocompleteerror); 118 119 Node* elementForAlias(const AtomicString&); 120 void addElementAlias(Node*, const AtomicString& alias); 121 122 CheckedRadioButtons& checkedRadioButtons() { return m_checkedRadioButtons; } 123 124 const Vector<FormAssociatedElement*>& associatedElements() const { return m_associatedElements; } 125 const Vector<HTMLImageElement*>& imageElements() const { return m_imageElements; } 126 127 void getTextFieldValues(StringPairVector& fieldNamesAndValues) const; 128 void anonymousNamedGetter(const AtomicString& name, bool&, RefPtr<NodeList>&, bool&, RefPtr<Node>&); 129 130 private: 131 HTMLFormElement(const QualifiedName&, Document*); 132 133 virtual bool rendererIsNeeded(const NodeRenderingContext&); 134 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 135 virtual void removedFrom(ContainerNode*) OVERRIDE; 136 virtual void finishParsingChildren() OVERRIDE; 137 138 virtual void handleLocalEvents(Event*); 139 140 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 141 virtual bool isURLAttribute(const Attribute&) const OVERRIDE; 142 143 virtual bool shouldRegisterAsNamedItem() const OVERRIDE { return true; } 144 145 virtual void copyNonAttributePropertiesFromElement(const Element&) OVERRIDE; 146 147 void submit(Event*, bool activateSubmitButton, bool processingUserGesture, FormSubmissionTrigger); 148 149 unsigned formElementIndexWithFormAttribute(Element*, unsigned rangeStart, unsigned rangeEnd); 150 unsigned formElementIndex(FormAssociatedElement*); 151 152 // Returns true if the submission should proceed. 153 bool validateInteractively(Event*); 154 155 // Validates each of the controls, and stores controls of which 'invalid' 156 // event was not canceled to the specified vector. Returns true if there 157 // are any invalid controls in this form. 158 bool checkInvalidControlsAndCollectUnhandled(Vector<RefPtr<FormAssociatedElement> >*, HTMLFormControlElement::CheckValidityDispatchEvents = HTMLFormControlElement::CheckValidityDispatchEventsAllowed); 159 160 typedef HashMap<AtomicString, RefPtr<Node> > AliasMap; 161 162 FormSubmission::Attributes m_attributes; 163 OwnPtr<AliasMap> m_elementAliases; 164 165 CheckedRadioButtons m_checkedRadioButtons; 166 167 unsigned m_associatedElementsBeforeIndex; 168 unsigned m_associatedElementsAfterIndex; 169 Vector<FormAssociatedElement*> m_associatedElements; 170 Vector<HTMLImageElement*> m_imageElements; 171 172 bool m_wasUserSubmitted; 173 bool m_isSubmittingOrPreparingForSubmission; 174 bool m_shouldSubmit; 175 176 bool m_isInResetFunction; 177 178 bool m_wasDemoted; 179 180 void requestAutocompleteTimerFired(Timer<HTMLFormElement>*); 181 182 Vector<RefPtr<Event> > m_pendingAutocompleteEvents; 183 Timer<HTMLFormElement> m_requestAutocompleteTimer; 184 }; 185 186 inline HTMLFormElement* toHTMLFormElement(Node* node) 187 { 188 ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(HTMLNames::formTag)); 189 return static_cast<HTMLFormElement*>(node); 190 } 191 192 } // namespace WebCore 193 194 #endif // HTMLFormElement_h 195
