public JSEngine(EnginePool parent)
{
_parent = parent;
_engine = new Jint.Engine();
parent._config.Initializer.Invoke(_engine);
}
public Extension(StorageFolder folder, ExtensionManifest manifest, bool isPacked, string javaScript, string javaScriptLibrary)
{
// If the id is missing
if (manifest.Id == null)
{
throw new ManifestInvalidException(InvalidManifestError.MissingId);
}
// If the name is missing
if (string.IsNullOrEmpty(manifest.Name))
{
throw new ManifestInvalidException(InvalidManifestError.MissingName);
}
// If the publisher is missing
if (string.IsNullOrEmpty(manifest.Publisher))
{
throw new ManifestInvalidException(InvalidManifestError.MissingPublisher);
}
// Validate the provided extension version
if (string.IsNullOrEmpty(manifest.Version) || !Version.TryParse(manifest.Version, out _))
{
throw new ManifestInvalidException(InvalidManifestError.MissingVersion);
}
// If there is no platform version specified
if (!manifest.PlatformVersion.HasValue)
{
throw new ManifestInvalidException(InvalidManifestError.MissingPlatformVersion);
}
// Check to see if we support this version
if (manifest.PlatformVersion.Value > ExtensionBootstrapper.ApiVersion)
{
throw new ManifestInvalidException(InvalidManifestError.UnsupportedPlatformVersion);
}
// If the description is missing
if (string.IsNullOrEmpty(manifest.Description))
{
throw new ManifestInvalidException(InvalidManifestError.MissingDescription);
}
// If the short description is missing, set it to the main description
if (string.IsNullOrEmpty(manifest.ShortDescription))
{
manifest.ShortDescription = manifest.Description;
}
// If there is no url, set it to the store URL
if (string.IsNullOrEmpty(manifest.Url))
{
manifest.Url = "https://soundbytemedia.com/store/" + manifest.Id.ToString();
}
// If the platform is specified, make sure UWP is included
if (manifest.Platforms != null)
{
if (!manifest.Platforms.Contains("uwp"))
{
throw new ManifestInvalidException(InvalidManifestError.PlatformUnsupported);
}
}
// Check that assets are included
if (manifest.Assets == null || string.IsNullOrEmpty(manifest.Assets.StoreLogo))
{
throw new ManifestInvalidException(InvalidManifestError.MissingAssets);
}
// Fix the logos
manifest.Assets.StoreLogo = folder.Path + "/" + manifest.Assets.StoreLogo;
Identifier = manifest.Id.Value;
Folder = folder;
Manifest = manifest;
IsPacked = isPacked;
// Setup the music provider
if (manifest.Provider != null)
{
SetupMusicProvider(manifest.Provider);
}
// Create the JavaScript engine pool
_enginePool = new EnginePool(new EnginePool.EnginePoolConfig(engine =>
{
try
{
// Add the class types the app can access
engine.SetValue("Track", Jint.Runtime.Interop.TypeReference.CreateTypeReference(engine, typeof(BaseTrack)));
engine.SetValue("User", Jint.Runtime.Interop.TypeReference.CreateTypeReference(engine, typeof(BaseUser)));
engine.SetValue("Playlist", Jint.Runtime.Interop.TypeReference.CreateTypeReference(engine, typeof(BasePlaylist)));
engine.SetValue("GenericItem", Jint.Runtime.Interop.TypeReference.CreateTypeReference(engine, typeof(BaseSoundByteItem)));
engine.SetValue("SourceResponse", Jint.Runtime.Interop.TypeReference.CreateTypeReference(engine, typeof(SourceResponse)));
engine.SetValue("FilteredListViewHolder", Jint.Runtime.Interop.TypeReference.CreateTypeReference(engine, typeof(FilteredListViewModel.Holder)));
engine.SetValue("FilterViewItem", Jint.Runtime.Interop.TypeReference.CreateTypeReference(engine, typeof(FilteredListViewModel.Filter)));
engine.SetValue("PageName", Jint.Runtime.Interop.TypeReference.CreateTypeReference(engine, typeof(PageName)));
// Bind the platform
engine.SetValue("platform", new Platform());
// Load the Soundbyte library
engine.Execute(javaScriptLibrary);
// Load the music provider
engine.Execute(javaScript);
}
catch (Exception e)
{
App.NotificationManager?.Show($"{Manifest?.Name ?? "Unknown"} (extension) is causing script errors: " + e.Message, 5000);
}
}));
}