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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef AccessibilityUIElement_h
#define AccessibilityUIElement_h
#include "CppBoundClass.h"
#include "WebAccessibilityObject.h"
#include <vector>
#include <wtf/Vector.h>
class AccessibilityUIElement : public CppBoundClass {
public:
class Factory {
public:
virtual ~Factory() { }
virtual AccessibilityUIElement* getOrCreate(const WebKit::WebAccessibilityObject&) = 0;
};
AccessibilityUIElement(const WebKit::WebAccessibilityObject&, Factory*);
virtual AccessibilityUIElement* getChildAtIndex(unsigned);
virtual bool isRoot() const { return false; }
virtual bool isEqual(const WebKit::WebAccessibilityObject&);
virtual void notificationReceived(const char *notificationName);
protected:
const WebKit::WebAccessibilityObject& accessibilityObject() const { return m_accessibilityObject; }
Factory* factory() const { return m_factory; }
private:
// Bound properties.
void roleGetterCallback(CppVariant*);
void titleGetterCallback(CppVariant*);
void descriptionGetterCallback(CppVariant*);
void helpTextGetterCallback(CppVariant*);
void stringValueGetterCallback(CppVariant*);
void xGetterCallback(CppVariant*);
void yGetterCallback(CppVariant*);
void widthGetterCallback(CppVariant*);
void heightGetterCallback(CppVariant*);
void intValueGetterCallback(CppVariant*);
void minValueGetterCallback(CppVariant*);
void maxValueGetterCallback(CppVariant*);
void childrenCountGetterCallback(CppVariant*);
void insertionPointLineNumberGetterCallback(CppVariant*);
void selectedTextRangeGetterCallback(CppVariant*);
void isEnabledGetterCallback(CppVariant*);
void isRequiredGetterCallback(CppVariant*);
void isFocusedGetterCallback(CppVariant*);
void isFocusableGetterCallback(CppVariant*);
void isSelectedGetterCallback(CppVariant*);
void isSelectableGetterCallback(CppVariant*);
void isMultiSelectableGetterCallback(CppVariant*);
void isSelectedOptionActiveGetterCallback(CppVariant*);
void isExpandedGetterCallback(CppVariant*);
void isCheckedGetterCallback(CppVariant*);
void isVisibleGetterCallback(CppVariant*);
void isOffScreenGetterCallback(CppVariant*);
void isCollapsedGetterCallback(CppVariant*);
void hasPopupGetterCallback(CppVariant*);
void isValidGetterCallback(CppVariant*);
void orientationGetterCallback(CppVariant*);
// Bound methods.
void allAttributesCallback(const CppArgumentList&, CppVariant*);
void attributesOfLinkedUIElementsCallback(const CppArgumentList&, CppVariant*);
void attributesOfDocumentLinksCallback(const CppArgumentList&, CppVariant*);
void attributesOfChildrenCallback(const CppArgumentList&, CppVariant*);
void parametrizedAttributeNamesCallback(const CppArgumentList&, CppVariant*);
void lineForIndexCallback(const CppArgumentList&, CppVariant*);
void boundsForRangeCallback(const CppArgumentList&, CppVariant*);
void stringForRangeCallback(const CppArgumentList&, CppVariant*);
void childAtIndexCallback(const CppArgumentList&, CppVariant*);
void elementAtPointCallback(const CppArgumentList&, CppVariant*);
void attributesOfColumnHeadersCallback(const CppArgumentList&, CppVariant*);
void attributesOfRowHeadersCallback(const CppArgumentList&, CppVariant*);
void attributesOfColumnsCallback(const CppArgumentList&, CppVariant*);
void attributesOfRowsCallback(const CppArgumentList&, CppVariant*);
void attributesOfVisibleCellsCallback(const CppArgumentList&, CppVariant*);
void attributesOfHeaderCallback(const CppArgumentList&, CppVariant*);
void indexInTableCallback(const CppArgumentList&, CppVariant*);
void rowIndexRangeCallback(const CppArgumentList&, CppVariant*);
void columnIndexRangeCallback(const CppArgumentList&, CppVariant*);
void cellForColumnAndRowCallback(const CppArgumentList&, CppVariant*);
void titleUIElementCallback(const CppArgumentList&, CppVariant*);
void setSelectedTextRangeCallback(const CppArgumentList&, CppVariant*);
void attributeValueCallback(const CppArgumentList&, CppVariant*);
void isAttributeSettableCallback(const CppArgumentList&, CppVariant*);
void isActionSupportedCallback(const CppArgumentList&, CppVariant*);
void parentElementCallback(const CppArgumentList&, CppVariant*);
void incrementCallback(const CppArgumentList&, CppVariant*);
void decrementCallback(const CppArgumentList&, CppVariant*);
void showMenuCallback(const CppArgumentList&, CppVariant*);
void pressCallback(const CppArgumentList&, CppVariant*);
void isEqualCallback(const CppArgumentList&, CppVariant*);
void addNotificationListenerCallback(const CppArgumentList&, CppVariant*);
void removeNotificationListenerCallback(const CppArgumentList&, CppVariant*);
void takeFocusCallback(const CppArgumentList&, CppVariant*);
void fallbackCallback(const CppArgumentList&, CppVariant*);
WebKit::WebAccessibilityObject m_accessibilityObject;
Factory* m_factory;
std::vector<CppVariant> m_notificationCallbacks;
};
class RootAccessibilityUIElement : public AccessibilityUIElement {
public:
RootAccessibilityUIElement(const WebKit::WebAccessibilityObject&, Factory*);
virtual AccessibilityUIElement* getChildAtIndex(unsigned);
virtual bool isRoot() const { return true; }
};
// Provides simple lifetime management of the AccessibilityUIElement instances:
// all AccessibilityUIElements ever created from the controller are stored in
// a list and cleared explicitly.
class AccessibilityUIElementList : public AccessibilityUIElement::Factory {
public:
AccessibilityUIElementList() { }
virtual ~AccessibilityUIElementList();
void clear();
virtual AccessibilityUIElement* getOrCreate(const WebKit::WebAccessibilityObject&);
AccessibilityUIElement* createRoot(const WebKit::WebAccessibilityObject&);
private:
typedef Vector<AccessibilityUIElement*> ElementList;
ElementList m_elements;
};
#endif // AccessibilityUIElement_h
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