/*
    SPDX-FileCopyrightText: 2012 Frederik Gladhorn <gladhorn@kde.org>

    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/

#ifndef QACCESSIBILITYCLIENT_REGISTRY_P_H
#define QACCESSIBILITYCLIENT_REGISTRY_P_H

#include <atspi/atspi-constants.h>

#include <QObject>
#include <QMap>
#include <QDBusContext>
#include <QSignalMapper>
#include <QSharedPointer>

#include "atspi/dbusconnection.h"
#include "qaccessibilityclient/registry.h"
#include "qaccessibilityclient/accessibleobject.h"
#include "qaccessibilityclient/accessibleobject_p.h"
#include "atspi/qt-atspi.h"
#include "cachestrategy_p.h"

class QDBusPendingCallWatcher;

namespace QAccessibleClient {

class DBusConnection;

class RegistryPrivate :public QObject, public QDBusContext
{
    Q_OBJECT
public:
    RegistryPrivate(Registry *qq);
    ~RegistryPrivate() override;

    void init();

    bool isEnabled() const;
    void setEnabled(bool enable);
    bool isScreenReaderEnabled() const;
    void setScreenReaderEnabled(bool enable);

    QUrl url(const AccessibleObject &object) const;
    AccessibleObject fromUrl(const QUrl &url) const;

    void subscribeEventListeners(const Registry::EventListeners & listeners);
    Registry::EventListeners eventListeners() const;

    QString accessibleId(const AccessibleObject &object) const;
    QString name(const AccessibleObject &object) const;
    QString description(const AccessibleObject &object) const;
    AccessibleObject::Role role(const AccessibleObject &object) const;
    QString roleName(const AccessibleObject &object) const;
    QString localizedRoleName(const AccessibleObject &object) const;
    quint64 state(const AccessibleObject &object) const;
    int layer(const AccessibleObject &object) const;
    int mdiZOrder(const AccessibleObject &object) const;
    double alpha(const AccessibleObject &object) const;
    QRect boundingRect(const AccessibleObject &object) const;
    QRect characterRect(const AccessibleObject &object, int offset) const;
    AccessibleObject::Interfaces supportedInterfaces(const AccessibleObject &object) const;

    int caretOffset(const AccessibleObject &object) const;
    int characterCount(const AccessibleObject &object) const;
    QList< QPair<int,int> > textSelections(const AccessibleObject &object) const;
    void setTextSelections(const AccessibleObject &object, const QList< QPair<int,int> > &selections);
    QString text(const AccessibleObject &object, int startOffset = 0, int endOffset = -1) const;
    QString textWithBoundary(const AccessibleObject &object, int offset, AccessibleObject::TextBoundary boundary, int *startOffset, int *endOffset) const;

    bool setText(const AccessibleObject &object, const QString &text);
    bool insertText(const AccessibleObject &object, const QString &text, int position, int length = -1);
    bool copyText(const AccessibleObject &object, int startPos, int endPos);
    bool cutText(const AccessibleObject &object, int startPos, int endPos);
    bool deleteText(const AccessibleObject &object, int startPos, int endPos);
    bool pasteText(const AccessibleObject &object, int position);

    AccessibleObject application(const AccessibleObject &object) const;
    QString appToolkitName(const AccessibleObject &object) const;
    QString appVersion(const AccessibleObject &object) const;
    int appId(const AccessibleObject &object) const;
    QString appLocale(const AccessibleObject &object, uint lctype) const;
    QString appBusAddress(const AccessibleObject &object) const;

    double minimumValue(const AccessibleObject &object) const;
    double maximumValue(const AccessibleObject &object) const;
    double minimumValueIncrement(const AccessibleObject &object) const;
    double currentValue(const AccessibleObject &object) const;
    bool setCurrentValue(const AccessibleObject &object, double value);

    QList<AccessibleObject> selection(const AccessibleObject &object) const;

    QString imageDescription(const AccessibleObject &object) const;
    QString imageLocale(const AccessibleObject &object) const;
    QRect imageRect(const AccessibleObject &object) const;

    QVector< QSharedPointer<QAction> > actions(const AccessibleObject &object);

    QList<AccessibleObject> topLevelAccessibles() const;
    AccessibleObject parentAccessible(const AccessibleObject &object) const;

    int childCount(const AccessibleObject &object) const;
    int indexInParent(const AccessibleObject &object) const;
    AccessibleObject child(const AccessibleObject &object, int index) const;
    QList<AccessibleObject> children(const AccessibleObject &object) const;

    static QString ACCESSIBLE_OBJECT_SCHEME_STRING;

private Q_SLOTS:
    AccessibleObject accessibleFromPath(const QString &service, const QString &path) const;
    AccessibleObject accessibleFromReference(const QSpiObjectReference &reference) const;
    AccessibleObject accessibleFromContext() const;

    void connectionFetched();
    void slotSubscribeEventListenerFinished(QDBusPendingCallWatcher *call);
    void a11yConnectionChanged(const QString &interface,const QVariantMap &changedProperties, const QStringList &invalidatedProperties);

    void slotPropertyChange(const QString &property, int detail1, int detail2, const QDBusVariant &args, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowCreate(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowDestroy(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowClose(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowReparent(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowMinimize(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowMaximize(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowRestore(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowActivate(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowDeactivate(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowDesktopCreate(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowDesktopDestroy(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowRaise(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowLower(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowMove(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowResize(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowShade(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotWindowUnshade(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);

    void slotStateChanged(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    //void slotPropertyChanged(const QString &state, int detail1, int detail2, const QDBusVariant &args, const QAccessibleClient::QSpiObjectReference &reference);
    //void slotBoundsChanged(const QString &state, int detail1, int detail2, const QDBusVariant &args, const QAccessibleClient::QSpiObjectReference &reference);
    //void slotLinkSelected(const QString &state, int detail1, int detail2, const QDBusVariant &args, const QAccessibleClient::QSpiObjectReference &reference);

    void slotChildrenChanged(const QString &state, int detail1, int detail2, const QDBusVariant &args, const QAccessibleClient::QSpiObjectReference &reference);
    void slotVisibleDataChanged(const QString &state, int detail1, int detail2, const QDBusVariant &args, const QAccessibleClient::QSpiObjectReference &reference);
    void slotSelectionChanged(const QString &state, int detail1, int detail2, const QDBusVariant &args, const QAccessibleClient::QSpiObjectReference &reference);
    void slotModelChanged(const QString &state, int detail1, int detail2, const QDBusVariant &args, const QAccessibleClient::QSpiObjectReference &reference);

    void slotTextCaretMoved(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);
    void slotTextSelectionChanged(const QString &state, int detail1, int detail2, const QDBusVariant &/*args*/, const QAccessibleClient::QSpiObjectReference &reference);

    //void slotTextBoundsChanged(const QString &state, int detail1, int detail2, const QDBusVariant &args, const QAccessibleClient::QSpiObjectReference &reference);
    void slotTextChanged(const QString &state, int start, int end, const QDBusVariant &text, const QAccessibleClient::QSpiObjectReference &reference);
    //void slotTextAttributesChanged(const QString &state, int detail1, int detail2, const QDBusVariant &args, const QAccessibleClient::QSpiObjectReference &reference);
    //void slotAttributesChanged(const QString &state, int detail1, int detail2, const QDBusVariant &args, const QAccessibleClient::QSpiObjectReference &reference);

    void actionTriggered(const QString &action);

private:
    QVariant getProperty ( const QString &service, const QString &path, const QString &interface, const QString &name ) const;
    static AccessibleObject::Role atspiRoleToRole(AtspiRole role);

    DBusConnection conn;
    QSignalMapper m_actionMapper;
    Registry *const q;
    Registry::EventListeners m_subscriptions;
    Registry::EventListeners m_pendingSubscriptions;
    QHash<QString, AccessibleObject::Interface> interfaceHash;
    QSignalMapper m_eventMapper;
    ObjectCache *m_cache = nullptr;
//     typedef QMap<QString, QSharedPointer<AccessibleObjectPrivate> >::Iterator AccessibleObjectsHashIterator;
//     typedef QMap<QString, QSharedPointer<AccessibleObjectPrivate> >::ConstIterator AccessibleObjectsHashConstIterator;
//     QMap<QString, QSharedPointer<AccessibleObjectPrivate> > accessibleObjectsHash;
    bool removeAccessibleObject(const QAccessibleClient::AccessibleObject &accessible);
    bool removeAccessibleObject(const QAccessibleClient::QSpiObjectReference &reference);

    friend class Registry;
    friend class AccessibleObject;
    friend class AccessibleObjectPrivate;
};

}

#endif