Add pause/resume functionality for animations.

3 files changed, 70 insertions, 1 deletions

diff --git a/src/declarative/util/qmlanimation.cpp b/src/declarative/util/qmlanimation.cpp
index 7df249e..2a6cad9 100644
--- a/src/declarative/util/qmlanimation.cpp
+++ b/src/declarative/util/qmlanimation.cpp
@@ -255,6 +255,44 @@ void QmlAbstractAnimation::setRunning(bool r)
     emit runningChanged(d->running);
 }
 
+/*!
+    \qmlproperty bool Animation::paused
+    This property holds whether the animation is currently paused.
+
+    The \c paused property can be set to declaratively control whether or not
+    an animation is paused.
+
+    Animations can also be paused and resumed imperatively from JavaScript
+    using the \c pause() and \c resume() methods.
+
+    By default, animations are not paused.
+*/
+bool QmlAbstractAnimation::isPaused() const
+{
+    Q_D(const QmlAbstractAnimation);
+    return d->paused;
+}
+
+void QmlAbstractAnimation::setPaused(bool p)
+{
+    Q_D(QmlAbstractAnimation);
+    if (d->paused == p)
+        return;
+
+    if (d->group) {
+        qWarning("QmlAbstractAnimation: setPaused() cannot be used on non-root animation nodes");
+        return;
+    }
+
+    d->paused = p;
+    if (d->paused)
+        qtAnimation()->pause();
+    else
+        qtAnimation()->resume();
+
+    emit pausedChanged(d->running);
+}
+
 void QmlAbstractAnimation::classBegin()
 {
     Q_D(QmlAbstractAnimation);
@@ -430,6 +468,30 @@ void QmlAbstractAnimation::start()
 }
 
 /*!
+    \qmlmethod Animation::pause()
+    \brief Pauses the animation.
+
+    If the animation is already paused, calling this method has no effect.  The
+    \c paused property will be true following a call to \c pause().
+*/
+void QmlAbstractAnimation::pause()
+{
+    setPaused(true);
+}
+
+/*!
+    \qmlmethod Animation::resume()
+    \brief Resumes a paused animation.
+
+    If the animation is not paused, calling this method has no effect.  The
+    \c paused property will be false following a call to \c resume().
+*/
+void QmlAbstractAnimation::resume()
+{
+    setPaused(false);
+}
+
+/*!
     \qmlmethod Animation::stop()
     \brief Stops the animation.
 
diff --git a/src/declarative/util/qmlanimation.h b/src/declarative/util/qmlanimation.h
index 5ab9dda..0452159 100644
--- a/src/declarative/util/qmlanimation.h
+++ b/src/declarative/util/qmlanimation.h
@@ -65,6 +65,7 @@ class QmlAbstractAnimation : public QmlPropertyValueSource, public QmlParserStat
 
     Q_INTERFACES(QmlParserStatus)
     Q_PROPERTY(bool running READ isRunning WRITE setRunning NOTIFY runningChanged)
+    Q_PROPERTY(bool paused READ isPaused WRITE setPaused NOTIFY pausedChanged)
     Q_PROPERTY(bool finishPlaying READ finishPlaying WRITE setFinishPlaying NOTIFY finishPlayingChanged())
     Q_PROPERTY(bool repeat READ repeat WRITE setRepeat NOTIFY repeatChanged)
     Q_PROPERTY(QObject *target READ target WRITE setTarget NOTIFY targetChanged)
@@ -78,6 +79,8 @@ public:
 
     bool isRunning() const;
     void setRunning(bool);
+    bool isPaused() const;
+    void setPaused(bool);
     bool finishPlaying() const;
     void setFinishPlaying(bool);
     bool repeat() const;
@@ -100,6 +103,7 @@ Q_SIGNALS:
     void started();
     void completed();
     void runningChanged(bool);
+    void pausedChanged(bool);
     void repeatChanged(bool);
     void targetChanged(QObject *, const QString &);
     void finishPlayingChanged(bool);
@@ -107,6 +111,8 @@ Q_SIGNALS:
 public Q_SLOTS:
     void restart();
     void start();
+    void pause();
+    void resume();
     void stop();
     void complete();
 
diff --git a/src/declarative/util/qmlanimation_p.h b/src/declarative/util/qmlanimation_p.h
index e5a7384..f09ab88 100644
--- a/src/declarative/util/qmlanimation_p.h
+++ b/src/declarative/util/qmlanimation_p.h
@@ -172,11 +172,12 @@ class QmlAbstractAnimationPrivate : public QObjectPrivate
     Q_DECLARE_PUBLIC(QmlAbstractAnimation)
 public:
     QmlAbstractAnimationPrivate()
-    : running(false), finishPlaying(false), repeat(false),
+    : running(false), paused(false), finishPlaying(false), repeat(false),
       connectedTimeLine(false), componentComplete(true), startOnCompletion(false),
       target(0), group(0) {}
 
     bool running;
+    bool paused;
     bool finishPlaying;
     bool repeat;
     bool connectedTimeLine;