diff -r 000000000000 -r 4f2f89ce4247 WebCore/dom/SelectElement.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/dom/SelectElement.h Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,195 @@ +/* + * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). + * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http//www.torchmobile.com/) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#ifndef SelectElement_h +#define SelectElement_h + +#include "Event.h" +#include + +namespace WebCore { + +class Attribute; +class Element; +class Event; +class FormDataList; +class HTMLFormElement; +class KeyboardEvent; +class SelectElementData; +class String; + +class SelectElement { +public: + virtual bool multiple() const = 0; + + virtual int size() const = 0; + virtual const Vector& listItems() const = 0; + + virtual void listBoxOnChange() = 0; + virtual void updateListBoxSelection(bool deselectOtherOptions) = 0; + + virtual void menuListOnChange() = 0; + + virtual int activeSelectionStartListIndex() const = 0; + virtual int activeSelectionEndListIndex() const = 0; + + virtual void setActiveSelectionAnchorIndex(int index) = 0; + virtual void setActiveSelectionEndIndex(int index) = 0; + + virtual int listToOptionIndex(int listIndex) const = 0; + virtual int optionToListIndex(int optionIndex) const = 0; + + virtual int selectedIndex() const = 0; + virtual void setSelectedIndex(int index, bool deselect = true) = 0; + virtual void setSelectedIndexByUser(int index, bool deselect = true, bool fireOnChangeNow = false) = 0; + + virtual void listBoxSelectItem(int listIndex, bool allowMultiplySelections, bool shift, bool fireOnChangeNow = true) = 0; + +protected: + virtual ~SelectElement() { } + + friend class SelectElementData; + + static void selectAll(SelectElementData&, Element*); + static void saveLastSelection(SelectElementData&, Element*); + static int nextSelectableListIndex(SelectElementData&, Element*, int startIndex); + static int previousSelectableListIndex(SelectElementData&, Element*, int startIndex); + static void setActiveSelectionAnchorIndex(SelectElementData&, Element*, int index); + static void setActiveSelectionEndIndex(SelectElementData&, int index); + static void updateListBoxSelection(SelectElementData&, Element*, bool deselectOtherOptions); + static void listBoxOnChange(SelectElementData&, Element*); + static void menuListOnChange(SelectElementData&, Element*); + static void scrollToSelection(SelectElementData&, Element*); + static void setRecalcListItems(SelectElementData&, Element*); + static void recalcListItems(SelectElementData&, const Element*, bool updateSelectedStates = true); + static int selectedIndex(const SelectElementData&, const Element*); + static void setSelectedIndex(SelectElementData&, Element*, int optionIndex, bool deselect = true, bool fireOnChangeNow = false, bool userDrivenChange = true); + static int optionToListIndex(const SelectElementData&, const Element*, int optionIndex); + static int listToOptionIndex(const SelectElementData&, const Element*, int listIndex); + static void dispatchFocusEvent(SelectElementData&, Element*); + static void dispatchBlurEvent(SelectElementData&, Element*); + static void deselectItems(SelectElementData&, Element*, Element* excludeElement = 0); + static bool saveFormControlState(const SelectElementData&, const Element*, String& state); + static void restoreFormControlState(SelectElementData&, Element*, const String& state); + static void parseMultipleAttribute(SelectElementData&, Element*, Attribute*); + static bool appendFormData(SelectElementData&, Element*, FormDataList&); + static void reset(SelectElementData&, Element*); + static void defaultEventHandler(SelectElementData&, Element*, Event*, HTMLFormElement*); + static int lastSelectedListIndex(const SelectElementData&, const Element*); + static void typeAheadFind(SelectElementData&, Element*, KeyboardEvent*); + static void insertedIntoTree(SelectElementData&, Element*); + static void accessKeySetSelectedIndex(SelectElementData&, Element*, int index); + static unsigned optionCount(const SelectElementData&, const Element*); + + static void updateSelectedState(SelectElementData& data, Element* element, int listIndex, + bool multi, bool shift); + +private: + static void menuListDefaultEventHandler(SelectElementData&, Element*, Event*, HTMLFormElement*); + static void listBoxDefaultEventHandler(SelectElementData&, Element*, Event*, HTMLFormElement*); + static void setOptionsChangedOnRenderer(SelectElementData&, Element*); +}; + +// HTML/WMLSelectElement hold this struct as member variable +// and pass it to the static helper functions in SelectElement +class SelectElementData { +public: + SelectElementData(); + + bool multiple() const { return m_multiple; } + void setMultiple(bool value) { m_multiple = value; } + + int size() const { return m_size; } + void setSize(int value) { m_size = value; } + + bool usesMenuList() const + { +#if ENABLE(NO_LISTBOX_RENDERING) + return true; +#else + return !m_multiple && m_size <= 1; +#endif + } + + int lastOnChangeIndex() const { return m_lastOnChangeIndex; } + void setLastOnChangeIndex(int value) { m_lastOnChangeIndex = value; } + + bool userDrivenChange() const { return m_userDrivenChange; } + void setUserDrivenChange(bool value) { m_userDrivenChange = value; } + + Vector& lastOnChangeSelection() { return m_lastOnChangeSelection; } + + bool activeSelectionState() const { return m_activeSelectionState; } + void setActiveSelectionState(bool value) { m_activeSelectionState = value; } + + int activeSelectionAnchorIndex() const { return m_activeSelectionAnchorIndex; } + void setActiveSelectionAnchorIndex(int value) { m_activeSelectionAnchorIndex = value; } + + int activeSelectionEndIndex() const { return m_activeSelectionEndIndex; } + void setActiveSelectionEndIndex(int value) { m_activeSelectionEndIndex = value; } + + Vector& cachedStateForActiveSelection() { return m_cachedStateForActiveSelection; } + + bool shouldRecalcListItems() const { return m_recalcListItems; } + void setShouldRecalcListItems(bool value) { m_recalcListItems = value; } + + Vector& rawListItems() { return m_listItems; } + Vector& listItems(const Element*); + const Vector& listItems(const Element*) const; + + UChar repeatingChar() const { return m_repeatingChar; } + void setRepeatingChar(const UChar& value) { m_repeatingChar = value; } + + DOMTimeStamp lastCharTime() const { return m_lastCharTime; } + void setLastCharTime(const DOMTimeStamp& value) { m_lastCharTime = value; } + + String& typedString() { return m_typedString; } + void setTypedString(const String& value) { m_typedString = value; } + +private: + void checkListItems(const Element*) const; + + bool m_multiple; + int m_size; + + int m_lastOnChangeIndex; + Vector m_lastOnChangeSelection; + bool m_userDrivenChange; + + bool m_activeSelectionState; + int m_activeSelectionAnchorIndex; + int m_activeSelectionEndIndex; + Vector m_cachedStateForActiveSelection; + + bool m_recalcListItems; + Vector m_listItems; + + // Instance variables for type-ahead find + UChar m_repeatingChar; + DOMTimeStamp m_lastCharTime; + String m_typedString; +}; + +SelectElement* toSelectElement(Element*); + +} + +#endif