1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 4 * (C) 2000 Dirk Mueller (mueller@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 "HTMLTextFormControlElement.h" 28 29namespace WebCore { 30 31class BeforeTextInsertedEvent; 32class VisibleSelection; 33 34class HTMLTextAreaElement final : public HTMLTextFormControlElement { 35public: 36 static PassRefPtr<HTMLTextAreaElement> create(const QualifiedName&, Document&, HTMLFormElement*); 37 38 int cols() const { return m_cols; } 39 int rows() const { return m_rows; } 40 41 bool shouldWrapText() const { return m_wrap != NoWrap; } 42 43 virtual String value() const override; 44 void setValue(const String&); 45 String defaultValue() const; 46 void setDefaultValue(const String&); 47 int textLength() const { return value().length(); } 48 virtual int maxLength() const override; 49 void setMaxLength(int, ExceptionCode&); 50 // For ValidityState 51 virtual String validationMessage() const override; 52 virtual bool valueMissing() const override; 53 virtual bool tooLong() const override; 54 bool isValidValue(const String&) const; 55 56 virtual TextControlInnerTextElement* innerTextElement() const override; 57 58 void rendererWillBeDestroyed(); 59 60 void setCols(int); 61 void setRows(int); 62 63 virtual bool willRespondToMouseClickEvents() override; 64 65private: 66 HTMLTextAreaElement(const QualifiedName&, Document&, HTMLFormElement*); 67 68 enum WrapMethod { NoWrap, SoftWrap, HardWrap }; 69 70 virtual void didAddUserAgentShadowRoot(ShadowRoot*) override; 71 72 void handleBeforeTextInsertedEvent(BeforeTextInsertedEvent*) const; 73 static String sanitizeUserInputValue(const String&, unsigned maxLength); 74 void updateValue() const; 75 void setNonDirtyValue(const String&); 76 void setValueCommon(const String&); 77 78 virtual bool supportsPlaceholder() const override { return true; } 79 virtual HTMLElement* placeholderElement() const override; 80 virtual void updatePlaceholderText() override; 81 virtual bool isEmptyValue() const override { return value().isEmpty(); } 82 83 virtual bool isOptionalFormControl() const override { return !isRequiredFormControl(); } 84 virtual bool isRequiredFormControl() const override { return isRequired(); } 85 86 virtual void defaultEventHandler(Event*) override; 87 88 virtual void subtreeHasChanged() override; 89 90 virtual bool isEnumeratable() const override { return true; } 91 virtual bool supportLabels() const override { return true; } 92 93 virtual const AtomicString& formControlType() const override; 94 95 virtual FormControlState saveFormControlState() const override; 96 virtual void restoreFormControlState(const FormControlState&) override; 97 98 virtual bool isTextFormControl() const override { return true; } 99 100 virtual void childrenChanged(const ChildChange&) override; 101 virtual void parseAttribute(const QualifiedName&, const AtomicString&) override; 102 virtual bool isPresentationAttribute(const QualifiedName&) const override; 103 virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStyleProperties&) override; 104 virtual RenderPtr<RenderElement> createElementRenderer(PassRef<RenderStyle>) override; 105 virtual bool appendFormData(FormDataList&, bool) override; 106 virtual void reset() override; 107 virtual bool hasCustomFocusLogic() const override; 108 virtual bool isMouseFocusable() const override; 109 virtual bool isKeyboardFocusable(KeyboardEvent*) const override; 110 virtual void updateFocusAppearance(bool restorePreviousSelection) override; 111 112 virtual void accessKeyAction(bool sendMouseEvents) override; 113 114 virtual bool shouldUseInputMethod() override; 115 virtual bool matchesReadOnlyPseudoClass() const override; 116 virtual bool matchesReadWritePseudoClass() const override; 117 118 bool valueMissing(const String& value) const { return isRequiredFormControl() && !isDisabledOrReadOnly() && value.isEmpty(); } 119 bool tooLong(const String&, NeedsToCheckDirtyFlag) const; 120 121 int m_rows; 122 int m_cols; 123 WrapMethod m_wrap; 124 HTMLElement* m_placeholder; 125 mutable String m_value; 126 mutable bool m_isDirty; 127 mutable bool m_wasModifiedByUser; 128}; 129 130NODE_TYPE_CASTS(HTMLTextAreaElement) 131 132} //namespace 133 134#endif 135