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41 
42 #include "qdeclarativeapplication_p.h"
43 #include <private/qobject_p.h>
44 #include <QtGui/QApplication>
45 
46 QT_BEGIN_NAMESPACE
47 
48 class QDeclarativeApplicationPrivate : public QObjectPrivate
49 {
50     Q_DECLARE_PUBLIC(QDeclarativeApplication)
51 public:
QDeclarativeApplicationPrivate()52     QDeclarativeApplicationPrivate() : active(QApplication::activeWindow() != 0),
53     layoutDirection(QApplication::layoutDirection()) {}
54     bool active;
55     Qt::LayoutDirection layoutDirection;
56 };
57 
58 /*
59     This object and its properties are documented as part of the Qt object,
60     in qdeclarativengine.cpp
61 */
62 
QDeclarativeApplication(QObject * parent)63 QDeclarativeApplication::QDeclarativeApplication(QObject *parent) : QObject(*new QDeclarativeApplicationPrivate(), parent)
64 {
65     if (qApp)
66         qApp->installEventFilter(this);
67 }
68 
~QDeclarativeApplication()69 QDeclarativeApplication::~QDeclarativeApplication()
70 {
71 }
72 
active() const73 bool QDeclarativeApplication::active() const
74 {
75     Q_D(const QDeclarativeApplication);
76     return d->active;
77 }
78 
layoutDirection() const79 Qt::LayoutDirection QDeclarativeApplication::layoutDirection() const
80 {
81     Q_D(const QDeclarativeApplication);
82     return d->layoutDirection;
83 }
84 
eventFilter(QObject * obj,QEvent * event)85 bool QDeclarativeApplication::eventFilter(QObject *obj, QEvent *event)
86 {
87     Q_UNUSED(obj)
88     Q_D(QDeclarativeApplication);
89     if (event->type() == QEvent::ApplicationActivate
90      || event->type() == QEvent::ApplicationDeactivate) {
91         bool active = d->active;
92         if (event->type() == QEvent::ApplicationActivate)
93             active  = true;
94         else if (event->type() == QEvent::ApplicationDeactivate)
95             active  = false;
96 
97         if (d->active != active) {
98             d->active = active;
99             emit activeChanged();
100         }
101     }
102     if (event->type() == QEvent::LayoutDirectionChange) {
103         Qt::LayoutDirection direction = QApplication::layoutDirection();
104         if (d->layoutDirection != direction) {
105             d->layoutDirection = direction;
106             emit layoutDirectionChanged();
107         }
108     }
109     return false;
110 }
111 
112 QT_END_NAMESPACE
113