QmlDesigner: Add some functions to QmlTimelineKeyframeGroup

Also adding some QTC_ASSERTS.

Change-Id: I7dcdac517e850b9b0c7ec9ba7a76effc31766ad9
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/qmldesigner/designercore/include/qmltimelinekeyframegroup.h

@@ -33,6 +33,7 @@ namespace QmlDesigner {
 
 class AbstractViewAbstractVieweGroup;
 class QmlObjectNode;
+class QmlTimeline;
 
 class QMLDESIGNERCORE_EXPORT QmlTimelineKeyframeGroup : public QmlModelNodeFacade
 {
@@ -75,6 +76,11 @@ public:
 
     int indexOfKeyframe(const ModelNode &frame) const;
     void slideKeyframe(int sourceIndex, int targetIndex);
+
+    bool isRecording() const;
+    void toogleRecording(bool b) const;
+
+    QmlTimeline timeline() const;
 };
 
 } //QmlDesigner

src/plugins/qmldesigner/designercore/model/qmltimelinekeyframegroup.cpp

@@ -72,17 +72,23 @@ ModelNode QmlTimelineKeyframeGroup::target() const
 
 void QmlTimelineKeyframeGroup::setTarget(const ModelNode &target)
 {
+    QTC_ASSERT(isValid(), return);
+
     modelNode().bindingProperty("target").setExpression(target.id());
 }
 
 
 PropertyName QmlTimelineKeyframeGroup::propertyName() const
 {
+    QTC_ASSERT(isValid(), return {});
+
     return modelNode().variantProperty("property").value().toString().toUtf8();
 }
 
 void QmlTimelineKeyframeGroup::setPropertyName(const PropertyName &propertyName)
 {
+    QTC_ASSERT(isValid(), return);
+
     modelNode().variantProperty("property").setValue(QString::fromUtf8(propertyName));
 }
 
@@ -106,6 +112,8 @@ int QmlTimelineKeyframeGroup::getSupposedTargetIndex(qreal newFrame) const
 
 int QmlTimelineKeyframeGroup::indexOfKeyframe(const ModelNode &frame) const
 {
+    QTC_ASSERT(isValid(), return -1);
+
     return modelNode().defaultNodeListProperty().indexOf(frame);
 }
 
@@ -117,8 +125,38 @@ void QmlTimelineKeyframeGroup::slideKeyframe(int /*sourceIndex*/, int /*targetIn
     */
 }
 
+bool QmlTimelineKeyframeGroup::isRecording() const
+{
+    QTC_ASSERT(isValid(), return false);
+
+    return modelNode().hasAuxiliaryData("REC@Internal");
+}
+
+void QmlTimelineKeyframeGroup::toogleRecording(bool record) const
+{
+    QTC_ASSERT(isValid(), return);
+
+    if (!record) {
+        if (isRecording())
+            modelNode().removeAuxiliaryData("REC@Internal");
+    } else {
+        modelNode().setAuxiliaryData("REC@Internal", true);
+    }
+}
+
+QmlTimeline QmlTimelineKeyframeGroup::timeline() const
+{
+    QTC_ASSERT(isValid(), return {});
+
+    if (modelNode().hasParentProperty())
+        return modelNode().parentProperty().parentModelNode();
+
+    return {};
+}
+
 void QmlTimelineKeyframeGroup::setValue(const QVariant &value, qreal currentFrame)
 {
+    QTC_ASSERT(isValid(), return);
 
     for (const ModelNode &childNode : modelNode().defaultNodeListProperty().toModelNodeList()) {
         if (qFuzzyCompare(childNode.variantProperty("frame").value().toReal(), currentFrame)) {
@@ -143,6 +181,8 @@ void QmlTimelineKeyframeGroup::setValue(const QVariant &value, qreal currentFram
 
 QVariant QmlTimelineKeyframeGroup::value(qreal frame) const
 {
+    QTC_ASSERT(isValid(), return {});
+
     for (const ModelNode &childNode : modelNode().defaultNodeListProperty().toModelNodeList()) {
         if (qFuzzyCompare(childNode.variantProperty("frame").value().toReal(), frame)) {
             return childNode.variantProperty("value").value();
@@ -154,6 +194,8 @@ QVariant QmlTimelineKeyframeGroup::value(qreal frame) const
 
 TypeName QmlTimelineKeyframeGroup::valueType() const
 {
+    QTC_ASSERT(isValid(), return {});
+
     const ModelNode targetNode = target();
 
     if (targetNode.isValid() && targetNode.hasMetaInfo())
@@ -174,6 +216,8 @@ bool QmlTimelineKeyframeGroup::hasKeyframe(qreal frame)
 
 qreal QmlTimelineKeyframeGroup::minActualKeyframe() const
 {
+    QTC_ASSERT(isValid(), return -1);
+
     qreal min = std::numeric_limits<double>::max();
     for (const ModelNode &childNode : modelNode().defaultNodeListProperty().toModelNodeList()) {
         QVariant value = childNode.variantProperty("frame").value();
@@ -186,6 +230,8 @@ qreal QmlTimelineKeyframeGroup::minActualKeyframe() const
 
 qreal QmlTimelineKeyframeGroup::maxActualKeyframe() const
 {
+    QTC_ASSERT(isValid(), return -1);
+
     qreal max = std::numeric_limits<double>::min();
     for (const ModelNode &childNode : modelNode().defaultNodeListProperty().toModelNodeList()) {
         QVariant value = childNode.variantProperty("frame").value();