internal static WebFile FromDbValue(WebFile file, string content, TypeBase type)
{
/*if (url == null) return null;
var u = url.AsUri();
var file =
type == TypeBase.WebImage ? WebImage.FromUrl(u) :
type == TypeBase.WebAudio ? WebAudio.FromUrl(u) :
type == TypeBase.WebVideo ? WebVideo.FromUrl(u) :
WebFile.FromUrl(u);
*/
if (content != null)
{
var serializer = new JsonSerializer();
serializer.AddAwdeeConverters();
using (var sr = new StringReader(content))
using (var jr = Utils.CreateJsonReader(sr))
{
serializer.Deserialize(jr, type.NativeType);
}
}
return file;
}
public static WebFile FromUrlUntracked(Uri url, HttpResponseMessage partialResponse, bool continueDownload)
{
var existing = new WebFile(url);
existing.SaveResponseInfo(partialResponse, continueDownload);
return(existing);
}
internal MediaStream(MediaStreamManager manager, WebFile file, int id, bool linger)
{
this.id = id;
this.file = file;
this.manager = manager;
this.currentReadOperationWaitHandle = new AutoResetEvent(false);
manager.NewDataAvailable += manager_NewDataAvailable;
this.linger = linger;
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null)
{
return(null);
}
var urlString = (string)reader.Value;
var url = urlString.AsUri();
return
(#if !STANDALONE
objectType == typeof(WebAudio) ? WebAudio.FromUrl(url) :
objectType == typeof(WebVideo) ? WebVideo.FromUrl(url) :
objectType == typeof(WebImage) ? WebImage.FromUrl(url) :
#endif
WebFile.FromUrl(url));
}
public static WebFile FromUrl(Uri url, HttpResponseMessage partialResponse, bool continueDownload)
{
#if STANDALONE
var existing = new WebFile(url);
#else
ObjectManager.AssertMainThread();
var existing = files[url.AbsoluteUri];
if (existing == null)
{
existing = new WebFile(url);
files[url.AbsoluteUri] = existing;
}
#endif
existing.SaveResponseInfo(partialResponse, continueDownload);
return(existing);
}
protected static void Initialize(WebFile existing, WebFile typed, HttpResponseMessage partialResponse, bool continueDownload)
{
typed.SaveResponseInfo(partialResponse, continueDownload);
if (existing != null && !object.ReferenceEquals(typed, existing))
{
typed.Size = existing.Size;
typed.contentDispositionFileName = existing.contentDispositionFileName;
typed.contentTypeExtension = existing.contentTypeExtension;
lock (existing)
{
lock (typed)
{
if (existing.manager != null && (typed.manager == null || !typed.manager.IsAlive))
{
existing.manager = typed.manager;
}
}
}
}
}
internal static WebFile FromDbValue(WebFile file, string content, TypeBase type)
{
/*if (url == null) return null;
* var u = url.AsUri();
* var file =
* type == TypeBase.WebImage ? WebImage.FromUrl(u) :
* type == TypeBase.WebAudio ? WebAudio.FromUrl(u) :
* type == TypeBase.WebVideo ? WebVideo.FromUrl(u) :
* WebFile.FromUrl(u);
*/
if (content != null)
{
var serializer = new JsonSerializer();
serializer.AddAwdeeConverters();
using (var sr = new StringReader(content))
using (var jr = Utils.CreateJsonReader(sr))
{
serializer.Deserialize(jr, type.NativeType);
}
}
return(file);
}
internal MediaStream(Exception ex, WebFile file)
{
this.file = file;
this.prebuiltException = ex;
this.linger = true;
}
protected static void Initialize(WebFile existing, WebFile typed, HttpResponseMessage partialResponse, bool continueDownload)
{
typed.SaveResponseInfo(partialResponse, continueDownload);
if (existing != null && !object.ReferenceEquals(typed, existing))
{
typed.Size = existing.Size;
typed.contentDispositionFileName = existing.contentDispositionFileName;
typed.contentTypeExtension = existing.contentTypeExtension;
lock (existing)
{
lock (typed)
{
if (existing.manager != null && (typed.manager == null || !typed.manager.IsAlive))
{
existing.manager = typed.manager;
}
}
}
}
}
public static WebFile FromUrlUntracked(Uri url, HttpResponseMessage partialResponse, bool continueDownload)
{
var existing = new WebFile(url);
existing.SaveResponseInfo(partialResponse, continueDownload);
return existing;
}
public static WebFile FromUrl(Uri url, HttpResponseMessage partialResponse, bool continueDownload)
{
#if STANDALONE
var existing = new WebFile(url);
#else
ObjectManager.AssertMainThread();
var existing = files[url.AbsoluteUri];
if (existing == null)
{
existing = new WebFile(url);
files[url.AbsoluteUri] = existing;
}
#endif
existing.SaveResponseInfo(partialResponse, continueDownload);
return existing;
}
public MediaStream TryCreateStream(WebFile file, ulong position, bool linger)
{
lock (syncObj)
{
if ((ulong)firstAvailableByte > position) return null;
if (disposalCancellation != null)
{
disposalCancellation.Cancel();
disposalCancellation.Dispose();
disposalCancellation = null;
}
consumers++;
var stream = new MediaStream(this, file, mediaStreams.Count, linger);
mediaStreams.Add(stream);
stream.Seek(position);
return stream;
}
}
