private MLResult InternalGetThumbnail(long entryId, out Texture2D imageThumbnail)
{
imageThumbnail = null;
if (!_watchHistory.ContainsKey(entryId))
{
return(MLResult.Create(MLResult.Code.InvalidParam, "Unknown entry Id"));
}
var thumbnail = new MLImageNativeBindings.MLImageNative();
MLResult.Code resultCode = MLScreensNativeBindings.MLScreensGetWatchHistoryThumbnail(entryId, ref thumbnail);
var result = MLResult.Create(resultCode);
if (!result.IsOk)
{
return(result);
}
imageThumbnail =
new Texture2D((int)thumbnail.Width,
(int)thumbnail.Height,
TextureFormat.RGB24,
false,
true);
imageThumbnail.LoadRawTextureData(thumbnail.Image,
(int)(thumbnail.Height * thumbnail.Width) * RGBBytesPerPixel);
resultCode = MLScreensNativeBindings.MLScreensReleaseWatchHistoryThumbnail(ref thumbnail);
result = MLResult.Create(resultCode);
return(result);
}
private MLResult InternalGetScreensInfo(out List <MLScreensScreenInfo> info)
{
info = new List <MLScreensScreenInfo>();
_screenInfoList.Initialize();
MLResult.Code resultCode = MLScreensNativeBindings.MLScreensGetScreenInfoListEx(ref _screenInfoList);
var result = MLResult.Create(resultCode);
if (!result.IsOk)
{
return(result);
}
long screensArrayAddress = _screenInfoList.Entries.ToInt64();
for (var i = 0; i < _screenInfoList.Count; ++i)
{
long entryAddress = screensArrayAddress +
i * Marshal.SizeOf(typeof(MLScreensNativeBindings.MLScreensScreenInfoExNative));
var entryPtr = new IntPtr(entryAddress);
var entryNative = (MLScreensNativeBindings.MLScreensScreenInfoExNative)Marshal.PtrToStructure(entryPtr,
typeof(MLScreensNativeBindings.MLScreensScreenInfoExNative));
MLScreensScreenInfo entry = entryNative.Data;
info.Add(entry);
}
resultCode = MLScreensNativeBindings.MLScreensReleaseScreenInfoListEx(ref _screenInfoList);
result = MLResult.Create(resultCode);
return(result);
}
private MLResult InternalUpdateScreenInfo(MLScreensScreenInfo info)
{
MLScreensNativeBindings.MLScreensScreenInfoExNative nativeScreenInfo = MLScreensNativeBindings.MLScreensScreenInfoExNative.Create();
nativeScreenInfo.Data = info;
MLResult.Code resultCode = MLScreensNativeBindings.MLScreensUpdateScreenInfo(ref nativeScreenInfo);
var result = MLResult.Create(resultCode);
return(result);
}
private MLResult InternalRemove(long entryId)
{
if (!_watchHistory.ContainsKey(entryId))
{
return(MLResult.Create(MLResult.Code.InvalidParam, "Unknown entry Id"));
}
MLResult.Code resultCode = MLScreensNativeBindings.MLScreensRemoveWatchHistoryEntry(entryId);
var result = MLResult.Create(resultCode);
if (result.IsOk)
{
_watchHistory.Remove(entryId);
}
return(result);
}
private MLResult InternalGetScreensInfo(ulong id, out MLScreensScreenInfo screenInfo)
{
var screenNative = MLScreensNativeBindings.MLScreensScreenInfoExNative.Create();
MLResult.Code resultCode = MLScreensNativeBindings.MLScreensGetScreenInfo(id, ref screenNative);
var result = MLResult.Create(resultCode);
if (!result.IsOk)
{
screenInfo = new MLScreensScreenInfo();
return(result);
}
else
{
screenInfo = screenNative.Data;
}
return(result);
}
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>
/// Starts the screens object requests, Must be called to receive screens data from
/// the underlying system
/// </summary>
protected override MLResult StartAPI()
{
MLResult.Code resultCode = MLScreensNativeBindings.MLScreensGetWatchHistoryList(ref _watchHistoryList);
var result = MLResult.Create(resultCode);
if (!result.IsOk)
{
MLPluginLog.ErrorFormat("MLScreens.StartAPI failed to retrieve saved screen information. Reason: {0}", result);
return(result);
}
PopulateWatchHistory();
resultCode = MLScreensNativeBindings.MLScreensReleaseWatchHistoryList(ref _watchHistoryList);
result = MLResult.Create(resultCode);
if (!result.IsOk)
{
MLPluginLog.ErrorFormat("MLScreens.StartAPI failed to clean screens data. Reason: {0}", result);
return(result);
}
_defaultGrayThumbnailImage = CreateGrayThumbnailImage();
return(result);
}
/// <summary>
/// Gets a readable version of the result code as an ASCII string.
/// </summary>
/// <param name="result">The MLResult that should be converted.</param>
/// <returns>ASCII string containing a readable version of the result code.</returns>
public static string GetResultString(MLResult.Code result)
{
return(Marshal.PtrToStringAnsi(MLScreensNativeBindings.MLScreensGetResultString(result)));
}
