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, 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 HTMLTextAreaElement_h 25 #define HTMLTextAreaElement_h 26 27 #include "core/html/HTMLTextFormControlElement.h" 28 29 namespace WebCore { 30 31 class BeforeTextInsertedEvent; 32 class ExceptionState; 33 class VisibleSelection; 34 35 class HTMLTextAreaElement FINAL : public HTMLTextFormControlElement { 36 public: 37 static PassRefPtrWillBeRawPtr<HTMLTextAreaElement> create(Document&, HTMLFormElement*); 38 39 int cols() const { return m_cols; } 40 int rows() const { return m_rows; } 41 42 bool shouldWrapText() const { return m_wrap != NoWrap; } 43 44 virtual String value() const OVERRIDE; 45 void setValue(const String&, TextFieldEventBehavior = DispatchNoEvent); 46 String defaultValue() const; 47 void setDefaultValue(const String&); 48 int textLength() const { return value().length(); } 49 int maxLength() const; 50 void setMaxLength(int, ExceptionState&); 51 52 String suggestedValue() const; 53 void setSuggestedValue(const String&); 54 55 // For ValidityState 56 virtual String validationMessage() const OVERRIDE; 57 virtual bool valueMissing() const OVERRIDE; 58 virtual bool tooLong() const OVERRIDE; 59 bool isValidValue(const String&) const; 60 61 void setCols(int); 62 void setRows(int); 63 64 private: 65 HTMLTextAreaElement(Document&, HTMLFormElement*); 66 67 enum WrapMethod { NoWrap, SoftWrap, HardWrap }; 68 69 virtual void didAddUserAgentShadowRoot(ShadowRoot&) OVERRIDE; 70 // FIXME: Author shadows should be allowed 71 // https://bugs.webkit.org/show_bug.cgi?id=92608 72 virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; } 73 74 void handleBeforeTextInsertedEvent(BeforeTextInsertedEvent*) const; 75 static String sanitizeUserInputValue(const String&, unsigned maxLength); 76 void updateValue() const; 77 virtual void setInnerEditorValue(const String&) OVERRIDE; 78 void setNonDirtyValue(const String&); 79 void setValueCommon(const String&, TextFieldEventBehavior); 80 81 virtual bool supportsPlaceholder() const OVERRIDE { return true; } 82 virtual void updatePlaceholderText() OVERRIDE; 83 virtual bool isEmptyValue() const OVERRIDE { return value().isEmpty(); } 84 virtual bool isEmptySuggestedValue() const OVERRIDE FINAL { return suggestedValue().isEmpty(); } 85 86 virtual bool isOptionalFormControl() const OVERRIDE { return !isRequiredFormControl(); } 87 virtual bool isRequiredFormControl() const OVERRIDE { return isRequired(); } 88 89 virtual void defaultEventHandler(Event*) OVERRIDE; 90 virtual void handleFocusEvent(Element* oldFocusedNode, FocusType) OVERRIDE; 91 92 virtual void subtreeHasChanged() OVERRIDE; 93 94 virtual bool isEnumeratable() const OVERRIDE { return true; } 95 virtual bool isInteractiveContent() const OVERRIDE; 96 virtual bool supportsAutofocus() const OVERRIDE; 97 virtual bool supportLabels() const OVERRIDE { return true; } 98 99 virtual const AtomicString& formControlType() const OVERRIDE; 100 101 virtual FormControlState saveFormControlState() const OVERRIDE; 102 virtual void restoreFormControlState(const FormControlState&) OVERRIDE; 103 104 virtual bool isTextFormControl() const OVERRIDE { return true; } 105 106 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0) OVERRIDE; 107 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 108 virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE; 109 virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE; 110 virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE; 111 virtual bool appendFormData(FormDataList&, bool) OVERRIDE; 112 virtual void resetImpl() OVERRIDE; 113 virtual bool hasCustomFocusLogic() const OVERRIDE; 114 virtual bool shouldShowFocusRingOnMouseFocus() const OVERRIDE; 115 virtual bool isKeyboardFocusable() const OVERRIDE; 116 virtual void updateFocusAppearance(bool restorePreviousSelection) OVERRIDE; 117 118 virtual void accessKeyAction(bool sendMouseEvents) OVERRIDE; 119 120 virtual bool shouldUseInputMethod() OVERRIDE; 121 virtual bool matchesReadOnlyPseudoClass() const OVERRIDE; 122 virtual bool matchesReadWritePseudoClass() const OVERRIDE; 123 124 bool valueMissing(const String& value) const { return isRequiredFormControl() && !isDisabledOrReadOnly() && value.isEmpty(); } 125 bool tooLong(const String&, NeedsToCheckDirtyFlag) const; 126 127 int m_rows; 128 int m_cols; 129 WrapMethod m_wrap; 130 mutable String m_value; 131 mutable bool m_isDirty; 132 bool m_valueIsUpToDate; 133 String m_suggestedValue; 134 }; 135 136 } //namespace 137 138 #endif 139
