/// <summary>
/// Adds new media watch entry to history.
/// </summary>
/// <param name="entry">
/// Entry to add. Id is ignored and gets overwritten if operation is successful.
/// </param>
/// <param name="thumbnailImage">
/// Thumbnail image for entry. Format needs to be TextureFormat.RGB24.
/// </param>
/// <returns>
/// MLResult.Result will be MLResult.Code.Ok if successful.
///
/// MLResult.Result will be MLResult.Code.InvalidParam if failed due to invalid input parameter.
///
/// MLResult.Result will be MLResult.Code.UnspecifiedFailure if failed due to internal error.
///
/// MLResult.Result will be MLResult.Code.ScreensServiceNotAvailable if failed due to the unavailability of the screens service.
/// </returns>
public static MLResult Add(ref MLScreensWatchHistoryEntry entry, Texture2D thumbnailImage)
{
if (thumbnailImage == null)
{
return(MLResult.Create(MLResult.Code.InvalidParam, "Invalid null thumbnail parameter"));
}
return(Instance.InternalAdd(ref entry, thumbnailImage));
}
private MLResult InternalGetEntry(long id, ref MLScreensWatchHistoryEntry entry)
{
if (!_watchHistory.ContainsKey(id))
{
return(MLResult.Create(MLResult.Code.InvalidParam, "Unknown entry Id"));
}
entry = _watchHistory[id];
return(MLResult.Create(MLResult.Code.Ok));
}
private void PopulateWatchHistory()
{
long screensArrayAddress = _watchHistoryList.Entries.ToInt64();
for (var i = 0; i < _watchHistoryList.Count; ++i)
{
long entryAddress = screensArrayAddress +
i * Marshal.SizeOf(typeof(MLScreensNativeBindings.MLScreensWatchHistoryEntryNative));
var entryPtr = new IntPtr(entryAddress);
var nativeEntry =
(MLScreensNativeBindings.MLScreensWatchHistoryEntryNative)Marshal.PtrToStructure(entryPtr,
typeof(MLScreensNativeBindings.MLScreensWatchHistoryEntryNative));
MLScreensWatchHistoryEntry entry = nativeEntry.Data;
_watchHistory.Add(entry.Id, entry);
}
}
private MLResult InternalUpdateWatchHistory(MLScreensWatchHistoryEntry entry, Texture2D thumbnailImage)
{
if (!entry.IsValid)
{
return(MLResult.Create(MLResult.Code.InvalidParam, "Invalid entry parameter"));
}
if (!_watchHistory.ContainsKey(entry.Id))
{
return(MLResult.Create(MLResult.Code.InvalidParam, "Unknown entry Id"));
}
if (thumbnailImage != null && thumbnailImage.format != TextureFormat.RGB24)
{
return(MLResult.Create(MLResult.Code.InvalidParam, "Invalid thumbnail parameter format"));
}
MLScreensNativeBindings.MLScreensWatchHistoryEntryNative nativeEntry = MLScreensNativeBindings.MLScreensWatchHistoryEntryNative.Create();
nativeEntry.Data = entry;
MLImageNativeBindings.MLImageNative thumbnail =
thumbnailImage == null ? _defaultGrayThumbnailImage : CreateThumbnailImage(thumbnailImage);
MLResult.Code resultCode = MLScreensNativeBindings.MLScreensUpdateWatchHistoryEntry(ref nativeEntry, ref thumbnail);
if (thumbnail.Image != IntPtr.Zero && thumbnail.Image != _defaultGrayThumbnailImage.Image)
{
Marshal.FreeHGlobal(thumbnail.Image);
}
Marshal.FreeHGlobal(nativeEntry.Title);
Marshal.FreeHGlobal(nativeEntry.Subtitle);
Marshal.FreeHGlobal(nativeEntry.CustomData);
var result = MLResult.Create(resultCode);
if (result.IsOk)
{
_watchHistory[entry.Id] = entry;
}
return(result);
}
/// <summary>
/// Gets entry from media watch history.
/// </summary>
/// <param name="id">Id of existing media watch entry.</param>
/// <param name="entry">Output entry if successful, unmodified otherwise.</param>
/// <returns>
/// MLResult.Result will be MLResult.Code.Ok if successful.
///
/// MLResult.Result will be MLResult.Code.InvalidParam if failed due to invalid input parameter.
/// </returns>
public static MLResult GetEntry(long id, ref MLScreensWatchHistoryEntry entry)
{
return(Instance.InternalGetEntry(id, ref entry));
}
/// <summary>
/// Updates media watch entry.
/// </summary>
/// <param name="entry">Id of existing media watch entry.</param>
/// <param name="thumbnailImage">
/// Optional thumbnail image for entry. Format needs to be TextureFormat.RGB24. If left out, default thumbnail will be used.
/// </param>
/// <returns>
/// MLResult.Result will be MLResult.Code.Ok if successful.
///
/// MLResult.Result will be MLResult.Code.InvalidParam if failed due to invalid input parameter.
///
/// MLResult.Result will be MLResult.Code.UnspecifiedFailure if failed due to internal error.
///
/// MLResult.Result will be MLResult.Code.ScreensServiceNotAvailable if failed due to the unavailability of the screens service.
/// </returns>
public static MLResult UpdateWatchHistory(MLScreensWatchHistoryEntry entry, Texture2D thumbnailImage = null)
{
return(Instance.InternalUpdateWatchHistory(entry, thumbnailImage));
}
/// <summary>
/// Adds new media watch entry to history with default thumbnail.
/// </summary>
/// <param name="entry">
/// Entry to add. Id is ignored and gets overwritten if operation is successful.
/// </param>
/// <returns>
/// MLResult.Result will be MLResult.Code.Ok if successful.
///
/// MLResult.Result will be MLResult.Code.InvalidParam if failed due to invalid input parameter.
///
/// MLResult.Result will be MLResult.Code.UnspecifiedFailure if failed due to internal error.
///
/// MLResult.Result will be MLResult.Code.ScreensServiceNotAvailable if failed due to the unavailability of the screens service.
/// </returns>
public static MLResult Add(ref MLScreensWatchHistoryEntry entry)
{
return(Instance.InternalAdd(ref entry, null));
}
