private IEnumerator <IVideo> GetVideosInternal(IVideoRequestType requestType, int timeoutMs, int maxPerPage, VideoContext context)
{
string baseUrl;
if (requestType is MyFavoritesRequestType)
{
// format the url for downloading
baseUrl = String.Format(
CultureInfo.InvariantCulture,
"http://gdata.youtube.com/feeds/api/users/{0}/favorites",
_videoAuth.Username);
}
else if (requestType is MyVideosRequestType)
{
baseUrl = String.Format(
CultureInfo.InvariantCulture,
"http://gdata.youtube.com/feeds/api/users/{0}/uploads",
_videoAuth.Username);
}
else
{
throw new Exception("Unknown request type.");
}
int page = 1;
while (true)
{
string queryString =
string.Format(CultureInfo.InvariantCulture, "?max-results={0}&start-index={1}", maxPerPage, ((page - 1) * maxPerPage + 1));
string requestUrl = baseUrl + queryString;
YouTubeVideo[] videos;
int totalResults;
// download the document
Stream videoListStream = CallYouTubeApi(requestUrl, timeoutMs);
// parse it into a list of videos
videos = ParseVideoList(videoListStream, out totalResults);
context.Available = totalResults;
if (videos.Length == 0)
{
context.Full = true;
yield break;
}
foreach (YouTubeVideo video in videos)
{
yield return(video);
}
page++;
}
}
private VideoBuffer GetBuffer(IVideoRequestType requestType, int timeoutMs, int pageSize)
{
if (!_ytVideoBuffers.ContainsKey(requestType))
{
VideoContext context = new VideoContext();
_ytVideoBuffers[requestType] = new VideoBuffer(GetVideosInternal(requestType, timeoutMs, pageSize, context), context);
}
return(_ytVideoBuffers[requestType] as VideoBuffer);
}
public void SelectEntry(string typeName)
{
for (int i = 0; i < Items.Count; i++)
{
IVideoRequestType requestType = (IVideoRequestType)Items[i];
if (requestType.TypeName == typeName)
{
SelectedIndex = i;
return;
}
}
}
public IVideo[] GetVideos(IVideoRequestType requestType, int timeoutMs, int maxPerPage, int page, out int videosAvailable)
{
VideoBuffer buffer = GetBuffer(requestType, timeoutMs, maxPerPage);
// Insure we have enough videos in the Arraylist to satisfy the request
int maxRequest = page * maxPerPage;
buffer.FetchMore(maxRequest - buffer.Videos.Count);
videosAvailable = buffer.Available;
int startRequest = (page - 1) * maxPerPage;
int count = maxPerPage;
if (startRequest + maxPerPage > buffer.Videos.Count)
{
count = buffer.Videos.Count - startRequest;
}
// Deal with out of range
return buffer.Videos.GetRange(startRequest, count).ToArray();
}
public IVideo[] GetVideos(IVideoRequestType requestType, int timeoutMs, int maxPerPage, int page, out int videosAvailable)
{
VideoBuffer buffer = GetBuffer(requestType, timeoutMs, maxPerPage);
// Insure we have enough videos in the Arraylist to satisfy the request
int maxRequest = page * maxPerPage;
buffer.FetchMore(maxRequest - buffer.Videos.Count);
videosAvailable = buffer.Available;
int startRequest = (page - 1) * maxPerPage;
int count = maxPerPage;
if (startRequest + maxPerPage > buffer.Videos.Count)
{
count = buffer.Videos.Count - startRequest;
}
// Deal with out of range
return(buffer.Videos.GetRange(startRequest, count).ToArray());
}
private VideoBuffer GetBuffer(IVideoRequestType requestType, int timeoutMs, int pageSize)
{
if (!_ytVideoBuffers.ContainsKey(requestType))
{
VideoContext context = new VideoContext();
_ytVideoBuffers[requestType] = new VideoBuffer(GetVideosInternal(requestType, timeoutMs, pageSize, context), context);
}
return _ytVideoBuffers[requestType] as VideoBuffer;
}
private IEnumerator<IVideo> GetVideosInternal(IVideoRequestType requestType, int timeoutMs, int maxPerPage, VideoContext context)
{
string baseUrl;
if (requestType is MyFavoritesRequestType)
{
// format the url for downloading
baseUrl = String.Format(
CultureInfo.InvariantCulture,
"http://gdata.youtube.com/feeds/api/users/{0}/favorites",
_videoAuth.Username);
}
else if (requestType is MyVideosRequestType)
{
baseUrl = String.Format(
CultureInfo.InvariantCulture,
"http://gdata.youtube.com/feeds/api/users/{0}/uploads",
_videoAuth.Username);
}
else
{
throw new Exception("Unknown request type.");
}
int page = 1;
while (true)
{
string queryString =
string.Format(CultureInfo.InvariantCulture, "?max-results={0}&start-index={1}", maxPerPage, ((page - 1) * maxPerPage + 1));
string requestUrl = baseUrl + queryString;
YouTubeVideo[] videos;
int totalResults;
// download the document
Stream videoListStream = CallYouTubeApi(requestUrl, timeoutMs);
// parse it into a list of videos
videos = ParseVideoList(videoListStream, out totalResults);
context.Available = totalResults;
if (videos.Length == 0)
{
context.Full = true;
yield break;
}
foreach (YouTubeVideo video in videos)
yield return video;
page++;
}
}
public void SetEntries(IVideoRequestType[] requestTypes)
{
Items.Clear();
foreach (IVideoRequestType requestType in requestTypes)
Items.Add(requestType);
}