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Diffstat (limited to 'src/gui/accessible/qaccessible_mac_p.h')
| -rw-r--r-- | src/gui/accessible/qaccessible_mac_p.h | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/src/gui/accessible/qaccessible_mac_p.h b/src/gui/accessible/qaccessible_mac_p.h deleted file mode 100644 index 9acb5d3aef..0000000000 --- a/src/gui/accessible/qaccessible_mac_p.h +++ /dev/null @@ -1,479 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QACCESSIBLE_MAC_P_H -#define QACCESSIBLE_MAC_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// -// - -#include <qglobal.h> -#include <private/qt_mac_p.h> -#include <qaccessible.h> -#include <qwidget.h> -#include <qdebug.h> - -//#define Q_ACCESSIBLE_MAC_DEBUG - -QT_BEGIN_NAMESPACE - -/* - QAccessibleInterfaceWrapper wraps QAccessibleInterface and adds - a ref count. QAccessibleInterfaceWrapper is a "by-value" class. -*/ -class Q_AUTOTEST_EXPORT QAccessibleInterfaceWrapper -{ -public: - QAccessibleInterfaceWrapper() - : interface(0), childrenIsRegistered(new bool(false)), refCount(new int(1)) { } - - QAccessibleInterfaceWrapper(QAccessibleInterface *interface) - :interface(interface), childrenIsRegistered(new bool(false)), refCount(new int(1)) { } - - ~QAccessibleInterfaceWrapper() - { - if (--(*refCount) == 0) { - delete interface; - delete refCount; - delete childrenIsRegistered; - } - } - - QAccessibleInterfaceWrapper(const QAccessibleInterfaceWrapper &other) - :interface(other.interface), childrenIsRegistered(other.childrenIsRegistered), refCount(other.refCount) - { - ++(*refCount); - } - - void operator=(const QAccessibleInterfaceWrapper &other) - { - if (other.interface == interface) - return; - - if (--(*refCount) == 0) { - delete interface; - delete refCount; - delete childrenIsRegistered; - } - - interface = other.interface; - childrenIsRegistered = other.childrenIsRegistered; - refCount = other.refCount; - ++(*refCount); - } - - QAccessibleInterface *interface; - bool *childrenIsRegistered; -private: - int *refCount; -}; - -/* - QAInterface represents one accessiblity item. It hides the fact that - one QAccessibleInterface may represent more than one item, and it also - automates the memory management for QAccessibleInterfaces using the - QAccessibleInterfaceWrapper wrapper class. - - It has the same API as QAccessibleInterface, minus the child parameter - in the functions. -*/ -class Q_AUTOTEST_EXPORT QAInterface : public QAccessible -{ -public: - QAInterface() - : base(QAccessibleInterfaceWrapper()) - { } - - QAInterface(QAccessibleInterface *interface, int child = 0) - { - if (interface == 0 || child > interface->childCount()) { - base = QAccessibleInterfaceWrapper(); - } else { - base = QAccessibleInterfaceWrapper(interface); - m_cachedObject = interface->object(); - this->child = child; - } - } - - QAInterface(QAccessibleInterfaceWrapper wrapper, int child = 0) - :base(wrapper), m_cachedObject(wrapper.interface->object()), child(child) - { } - - QAInterface(const QAInterface &other, int child) - { - if (other.isValid() == false || child > other.childCount()) { - base = QAccessibleInterfaceWrapper(); - } else { - base = other.base; - m_cachedObject = other.m_cachedObject; - this->child = child; - } - } - - bool operator==(const QAInterface &other) const; - bool operator!=(const QAInterface &other) const; - - inline QString actionText (int action, Text text) const - { return base.interface->actionText(action, text, child); } - - QAInterface childAt(int x, int y) const - { - if (!checkValid()) - return QAInterface(); - - const int foundChild = base.interface->childAt(x, y); - - if (foundChild == -1) - return QAInterface(); - - if (child == 0) - return navigate(QAccessible::Child, foundChild); - - if (foundChild == child) - return *this; - return QAInterface(); - } - - int indexOfChild(const QAInterface &child) const - { - if (!checkValid()) - return -1; - - if (*this != child.parent()) - return -1; - - if (object() == child.object()) - return child.id(); - - return base.interface->indexOfChild(child.base.interface); - } - - inline int childCount() const - { - if (!checkValid()) - return 0; - - if (child != 0) - return 0; - return base.interface->childCount(); - } - - QList<QAInterface> children() const - { - if (!checkValid()) - return QList<QAInterface>(); - - QList<QAInterface> children; - for (int i = 1; i <= childCount(); ++i) { - children.append(navigate(QAccessible::Child, i)); - } - return children; - } - - QAInterface childAt(int index) const - { - return navigate(QAccessible::Child, index); - } - - inline void doAction(int action, const QVariantList ¶ms = QVariantList()) const - { - if (!checkValid()) - return; - - base.interface->doAction(action, child, params); - } - - QAInterface navigate(RelationFlag relation, int entry) const; - - inline QObject * object() const - { - if (!checkValid()) - return 0; - - return base.interface->object(); - } - - QAInterface objectInterface() const - { - if (!checkValid()) - return QAInterface(); - - QObject *obj = object(); - QAInterface current = *this; - while (obj == 0) - { - QAInterface parent = current.parent(); - if (parent.isValid() == false) - break; - obj = parent.object(); - current = parent; - } - return current; - } - - inline HIObjectRef hiObject() const - { - if (!checkValid()) - return 0; - QWidget * const widget = qobject_cast<QWidget * const>(object()); - if (widget) - return (HIObjectRef)widget->winId(); - else - return 0; - } - - inline QObject * cachedObject() const - { - if (!checkValid()) - return 0; - return m_cachedObject; - } - - inline QRect rect() const - { - if (!checkValid()) - return QRect(); - return base.interface->rect(child); - } - - inline Role role() const - { - if (!checkValid()) - return QAccessible::NoRole; - return base.interface->role(child); - } - - inline void setText(Text t, const QString &text) const - { - if (!checkValid()) - return; - base.interface->setText(t, child, text); - } - - inline State state() const - { - if (!checkValid()) - return 0; - return base.interface->state(child); - } - - inline QString text (Text text) const - { - if (!checkValid()) - return QString(); - return base.interface->text(text, child); - } - - inline QString value() const - { return text(QAccessible::Value); } - - inline QString name() const - { return text(QAccessible::Name); } - - inline int userActionCount() const - { - if (!checkValid()) - return 0; - return base.interface->userActionCount(child); - } - - inline QString className() const - { - if (!checkValid()) - return QString(); - return QLatin1String(base.interface->object()->metaObject()->className()); - } - - inline bool isHIView() const - { return (child == 0 && object() != 0); } - - inline int id() const - { return child; } - - inline bool isValid() const - { - return (base.interface != 0 && base.interface->isValid()); - } - - QAInterface parent() const - { return navigate(QAccessible::Ancestor, 1); } - - QAccessibleInterfaceWrapper interfaceWrapper() const - { return base; } - -protected: - bool checkValid() const - { - const bool valid = isValid(); -#ifdef Q_ACCESSIBLE_MAC_DEBUG - if (!valid) - qFatal("QAccessible_mac: tried to use invalid interface."); -#endif - return valid; - } - - QAccessibleInterfaceWrapper base; - QObject *m_cachedObject; - int child; -}; - -Q_AUTOTEST_EXPORT QDebug operator<<(QDebug debug, const QAInterface &interface); - -/* - QAElement is a thin wrapper around an AXUIElementRef that automates - the ref-counting. -*/ -class Q_AUTOTEST_EXPORT QAElement -{ -public: - QAElement(); - explicit QAElement(AXUIElementRef elementRef); - QAElement(const QAElement &element); - QAElement(HIObjectRef, int child); - ~QAElement(); - - inline HIObjectRef object() const - { -#ifndef Q_WS_MAC64 - return AXUIElementGetHIObject(elementRef); -#else - return 0; -#endif - } - - inline int id() const - { - UInt64 theId; -#ifndef QT_MAC_USE_COCOA - AXUIElementGetIdentifier(elementRef, &theId); -#else - theId = 0; -#endif - return theId; - } - - inline AXUIElementRef element() const - { - return elementRef; - } - - inline bool isValid() const - { - return (elementRef != 0); - } - - void operator=(const QAElement &other); - bool operator==(const QAElement &other) const; -private: - AXUIElementRef elementRef; -}; - - -class QInterfaceFactory -{ -public: - virtual QAInterface interface(UInt64 identifier) = 0; - virtual QAElement element(int id) = 0; - virtual QAElement element(const QAInterface &interface) - { - return element(interface.id()); - } - virtual void registerChildren() = 0; - virtual ~QInterfaceFactory() {} -}; - -/* - QAccessibleHierarchyManager bridges the Mac and Qt accessibility hierarchies. - There is a one-to-one relationship between QAElements on the Mac side - and QAInterfaces on the Qt side, and this class provides lookup functions - that translates between these to items. - - The identity of a QAInterface is determined by its QAccessibleInterface and - child identifier, and the identity of a QAElement is determined by its - HIObjectRef and identifier. - - QAccessibleHierarchyManager receives QObject::destroyed() signals and deletes - the accessibility objects for destroyed objects. -*/ -class Q_AUTOTEST_EXPORT QAccessibleHierarchyManager : public QObject -{ -Q_OBJECT -public: - ~QAccessibleHierarchyManager() { reset(); } - static QAccessibleHierarchyManager *instance(); - void reset(); - - QAElement registerInterface(QObject *object, int child); - QAElement registerInterface(const QAInterface &interface); - void registerInterface(QObject *object, HIObjectRef hiobject, QInterfaceFactory *interfaceFactory); - - void registerChildren(const QAInterface &interface); - - QAInterface lookup(const AXUIElementRef &element); - QAInterface lookup(const QAElement &element); - QAElement lookup(const QAInterface &interface); - QAElement lookup(QObject * const object, int id); -private slots: - void objectDestroyed(QObject *); -private: - typedef QHash<QObject *, QInterfaceFactory *> QObjectElementHash; - typedef QHash<HIObjectRef, QInterfaceFactory *> HIObjectInterfaceHash; - typedef QHash<QObject *, HIObjectRef> QObjectHIObjectHash; - - QObjectElementHash qobjectElementHash; - HIObjectInterfaceHash hiobjectInterfaceHash; - QObjectHIObjectHash qobjectHiobjectHash; -}; - -Q_AUTOTEST_EXPORT bool isItInteresting(const QAInterface &interface); - -QT_END_NAMESPACE - -#endif |