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#ifndef GUITEST_H

#define GUITEST_H

#include <QAccessibleInterface>

#include <QSet>

#include <QWidget>

#include <QPainter>

QT_USE_NAMESPACE

/*

    GuiTest provides tools for:

     - navigating the Qt Widget hiearchy using the accessibilty APIs.

     - Simulating platform mouse and keybord events.

*/

/*

    InterfaceChildPair specifies an accessibilty interface item.

*/

class InterfaceChildPair {

public:

    InterfaceChildPair() : iface(0), possibleChild(0) {}

    InterfaceChildPair(QAccessibleInterface *iface, int possibleChild)

    :iface(iface), possibleChild(possibleChild)    

    { }

    QAccessibleInterface *iface;

    int possibleChild;

};

class TestBase {

public:

    virtual bool operator()(InterfaceChildPair candidate) = 0;

    virtual ~TestBase() {}

};

/*

    WidgetNavigator navigates a Qt GUI hierarchy using the QAccessibility APIs.

*/

class WidgetNavigator {

public:

    WidgetNavigator() {};

    ~WidgetNavigator();

    void printAll(QWidget *widget);

    void printAll(InterfaceChildPair interface);

    InterfaceChildPair find(QAccessible::Text textType, const QString &text, QWidget *start);

    InterfaceChildPair find(QAccessible::Text textType, const QString &text, QAccessibleInterface *start);

    InterfaceChildPair recursiveSearch(TestBase *test, QAccessibleInterface *iface, int possibleChild);

    void deleteInDestructor(QAccessibleInterface * interface);

    static QWidget *getWidget(InterfaceChildPair interface);

private:

    QSet<QAccessibleInterface *> interfaces;

};

/*

    NativeEvents contains platform-specific code for simulating mouse and keybord events.

    (Implemented so far: mouseClick on Mac)

*/

namespace NativeEvents {

    enum MousePosition { UpdatePosition, DontUpdatePosition };

    /*

        Simulates a mouse click with button at globalPos.

    */

    void mouseClick(const QPoint &globalPos, Qt::MouseButtons buttons, MousePosition updateMouse = DontUpdatePosition);

};

class ColorWidget : public QWidget

{

public:

    ColorWidget(QWidget *parent = 0, QColor color = QColor(Qt::red))

       : QWidget(parent), color(color) {}

    QColor color;

protected:

    void paintEvent(QPaintEvent  *)

    {

        QPainter p(this);

        p.fillRect(this->rect(), color);

    }

};

class DelayedAction : public QObject

{

Q_OBJECT

public:

    DelayedAction() : delay(0), next(0) {}

    virtual ~DelayedAction(){}

public slots:

    virtual void run();

public:

    int delay;

    DelayedAction *next;

};

class ClickLaterAction : public DelayedAction

{

Q_OBJECT

public:

    ClickLaterAction(InterfaceChildPair interface, Qt::MouseButtons buttons = Qt::LeftButton);

    ClickLaterAction(QWidget *widget, Qt::MouseButtons buttons = Qt::LeftButton);

protected slots:

    void run();

private:

    bool useInterface;

    InterfaceChildPair interface;

    QWidget *widget;

    Qt::MouseButtons buttons;

};

/*

*/

class GuiTester : public QObject

{

Q_OBJECT

public:

    GuiTester();

    ~GuiTester();

    enum Direction {Horizontal = 1, Vertical = 2, HorizontalAndVertical = 3};

    Q_DECLARE_FLAGS(Directions, Direction)

    bool isFilled(const QImage image, const QRect &rect, const QColor &color);

    bool isContent(const QImage image, const QRect &rect, Directions directions = HorizontalAndVertical);

protected slots:

    void exitLoopSlot();

protected:

    void clickLater(InterfaceChildPair interface, Qt::MouseButtons buttons = Qt::LeftButton, int delay = 300);

    void clickLater(QWidget *widget, Qt::MouseButtons buttons = Qt::LeftButton, int delay = 300);

    void clearSequence();

    void addToSequence(DelayedAction *action, int delay = 0);

    void runSequence();

    WidgetNavigator wn;

private:

    QSet<DelayedAction *> actions;

    DelayedAction *startAction;

    DelayedAction *lastAction;

};

Q_DECLARE_OPERATORS_FOR_FLAGS(GuiTester::Directions)

#endif