1 /* 2 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21 #ifndef InputElement_h 22 #define InputElement_h 23 24 #include "AtomicString.h" 25 #include "PlatformString.h" 26 27 namespace WebCore { 28 29 class Document; 30 class Element; 31 class Event; 32 class InputElementData; 33 class MappedAttribute; 34 35 class InputElement { 36 public: ~InputElement()37 virtual ~InputElement() { } 38 39 virtual bool isAutofilled() const = 0; 40 virtual bool isChecked() const = 0; 41 virtual bool isIndeterminate() const = 0; 42 virtual bool isInputTypeHidden() const = 0; 43 virtual bool isPasswordField() const = 0; 44 virtual bool isSearchField() const = 0; 45 virtual bool isTextField() const = 0; 46 47 virtual bool searchEventsShouldBeDispatched() const = 0; 48 49 virtual int size() const = 0; 50 virtual const String& suggestedValue() const = 0; 51 virtual String value() const = 0; 52 virtual void setValue(const String&, bool sendChangeEvent = false) = 0; 53 virtual void setValueForUser(const String&) = 0; 54 55 virtual String sanitizeValue(const String&) const = 0; 56 virtual void setValueFromRenderer(const String&) = 0; 57 58 virtual void cacheSelection(int start, int end) = 0; 59 virtual void select() = 0; 60 61 static const int s_maximumLength; 62 static const int s_defaultSize; 63 64 protected: 65 static void dispatchFocusEvent(InputElement*, Element*); 66 static void dispatchBlurEvent(InputElement*, Element*); 67 static void updateFocusAppearance(InputElementData&, InputElement*, Element*, bool restorePreviousSelection); 68 static void updateSelectionRange(InputElement*, Element*, int start, int end); 69 static void aboutToUnload(InputElement*, Element*); 70 static void setValueFromRenderer(InputElementData&, InputElement*, Element*, const String&); 71 // Replaces CRs and LFs, shrinks the value for s_maximumLength. 72 // This should be applied to values from the HTML value attribute and the DOM value property. 73 static String sanitizeValue(const InputElement*, const String&); 74 // Replaces CRs and LFs, shrinks the value for the specified maximum length. 75 // This should be applied to values specified by users. 76 static String sanitizeUserInputValue(const InputElement*, const String&, int); 77 static void handleBeforeTextInsertedEvent(InputElementData&, InputElement*, Element*, Event*); 78 static void parseSizeAttribute(InputElementData&, Element*, MappedAttribute*); 79 static void parseMaxLengthAttribute(InputElementData&, InputElement*, Element*, MappedAttribute*); 80 static void updateValueIfNeeded(InputElementData&, InputElement*); 81 static void notifyFormStateChanged(Element*); 82 }; 83 84 // HTML/WMLInputElement hold this struct as member variable 85 // and pass it to the static helper functions in InputElement 86 class InputElementData { 87 public: 88 InputElementData(); 89 90 const AtomicString& name() const; setName(const AtomicString & value)91 void setName(const AtomicString& value) { m_name = value; } 92 value()93 String value() const { return m_value; } setValue(const String & value)94 void setValue(const String& value) { m_value = value; } 95 suggestedValue()96 const String& suggestedValue() const { return m_suggestedValue; } setSuggestedValue(const String & value)97 void setSuggestedValue(const String& value) { m_suggestedValue = value; } 98 size()99 int size() const { return m_size; } setSize(int value)100 void setSize(int value) { m_size = value; } 101 maxLength()102 int maxLength() const { return m_maxLength; } setMaxLength(int value)103 void setMaxLength(int value) { m_maxLength = value; } 104 cachedSelectionStart()105 int cachedSelectionStart() const { return m_cachedSelectionStart; } setCachedSelectionStart(int value)106 void setCachedSelectionStart(int value) { m_cachedSelectionStart = value; } 107 cachedSelectionEnd()108 int cachedSelectionEnd() const { return m_cachedSelectionEnd; } setCachedSelectionEnd(int value)109 void setCachedSelectionEnd(int value) { m_cachedSelectionEnd = value; } 110 111 private: 112 AtomicString m_name; 113 String m_value; 114 String m_suggestedValue; 115 int m_size; 116 int m_maxLength; 117 int m_cachedSelectionStart; 118 int m_cachedSelectionEnd; 119 }; 120 121 InputElement* toInputElement(Element*); 122 123 } 124 125 #endif 126