Add meta information to Asset class

include/openspace/scene/asset.h

@@ -51,6 +51,15 @@ public:
     using StateChangeCallback = std::function<void(State)>;
     using CallbackHandle = size_t;
 
+    struct MetaInformation {
+        std::string name;
+        std::string version;
+        std::string description;
+        std::string author;
+        std::string url;
+        std::string license;
+    };
+
     /**
      * Root asset constructor
      */
@@ -136,6 +145,8 @@ public:
 
     std::string resolveLocalResource(std::string resourceName) const;
 
+    void setMetaInformation(MetaInformation metaInformation);
+
 private:
     void setState(State state);
 
@@ -157,6 +168,8 @@ private:
     // Absolute path to asset file
     std::string _assetPath;
 
+    MetaInformation _metaInformation;
+
     // Required assets
     std::vector<std::shared_ptr<Asset>> _requiredAssets;
 

include/openspace/scene/assetlistener.h

@@ -32,7 +32,7 @@ namespace openspace {
 class AssetListener {
 public:
     virtual ~AssetListener() = default;
-    virtual void assetStateChanged(std::shared_ptr<Asset> asset, Asset::State state) = 0;
+    virtual void assetStateChanged(Asset* asset, Asset::State state) = 0;
     virtual void assetRequested(Asset* parent,
         std::shared_ptr<Asset> child) = 0;
 

include/openspace/scene/assetloader.h

@@ -157,7 +157,7 @@ public:
     /**
      * Notify listeners about asset state change
      */
-    void assetStateChanged(std::shared_ptr<Asset> asset, Asset::State state);
+    void assetStateChanged(Asset* asset, Asset::State state);
 
     /**
      * Notify listeners about new requests

include/openspace/scene/assetmanager.h

@@ -61,7 +61,7 @@ public:
     void removeAll();
     std::shared_ptr<Asset> rootAsset();
 
-    void assetStateChanged(std::shared_ptr<Asset> asset, Asset::State state) override;
+    void assetStateChanged(Asset* asset, Asset::State state) override;
     void assetRequested(Asset* parent,
         std::shared_ptr<Asset> child) override;
     void assetUnrequested(Asset* parent,