///<summary>
/// MediaPermission ctor.
///</summary>
public MediaPermission(MediaPermissionImage permissionImage)
{
VerifyMediaPermissionImage(permissionImage);
InitDefaults();
_mediaPermissionImage = permissionImage;
}
internal static void VerifyMediaPermissionImage(MediaPermissionImage level)
{
if (level < MediaPermissionImage.NoImage || level > MediaPermissionImage.AllImage)
{
throw new ArgumentException(SR.Get(SRID.InvalidPermissionLevel));
}
}
///<summary>
/// Private helper to compare the level of the 3 enum fields.
///</summary>
private bool EqualsLevel(MediaPermissionAudio audioLevel,
MediaPermissionVideo videoLevel,
MediaPermissionImage imageLevel)
{
return((_mediaPermissionAudio == audioLevel) &&
(_mediaPermissionVideo == videoLevel) &&
(_mediaPermissionImage == imageLevel));
}
internal static void DemandMediaPermission(MediaPermissionAudio audioPermissionToDemand,
MediaPermissionVideo videoPermissionToDemand,
MediaPermissionImage imagePermissionToDemand)
{
// Demand the appropriate permission
(new MediaPermission(audioPermissionToDemand,
videoPermissionToDemand,
imagePermissionToDemand)).Demand();
}
// </SnippetMediaPermissionAttribute6>
public void Stub06()
{
// <SnippetMediaPermission2>
MediaPermission mediaPermission = new MediaPermission(MediaPermissionImage.NoImage);
// </SnippetMediaPermission2>
// <SnippetMediaPermission7>
MediaPermissionImage mediaPermissionImage = mediaPermission.Image;
// </SnippetMediaPermission7>
}
///<summary>
/// MediaPermission ctor.
///</summary>
public MediaPermission(MediaPermissionAudio permissionAudio,
MediaPermissionVideo permissionVideo,
MediaPermissionImage permissionImage)
{
VerifyMediaPermissionAudio(permissionAudio);
VerifyMediaPermissionVideo(permissionVideo);
VerifyMediaPermissionImage(permissionImage);
_mediaPermissionAudio = permissionAudio;
_mediaPermissionVideo = permissionVideo;
_mediaPermissionImage = permissionImage;
}
internal static bool CallerHasMediaPermission(MediaPermissionAudio audioPermissionToDemand,
MediaPermissionVideo videoPermissionToDemand,
MediaPermissionImage imagePermissionToDemand)
{
try
{
(new MediaPermission(audioPermissionToDemand, videoPermissionToDemand, imagePermissionToDemand)).Demand();
return(true);
}
catch (SecurityException)
{
return(false);
}
}
///<summary>
/// Return the intersection with the target
///</summary>
public override IPermission Intersect(IPermission target)
{
if (target == null)
{
return(null);
}
MediaPermission operand = target as MediaPermission;
if (operand != null)
{
//
// Construct a permission that is the aggregate of the
// least priveleged level of the 3 enums.
//
MediaPermissionAudio audioIntersectLevel = _mediaPermissionAudio < operand._mediaPermissionAudio
? _mediaPermissionAudio : operand._mediaPermissionAudio;
MediaPermissionVideo videoIntersectLevel = _mediaPermissionVideo < operand._mediaPermissionVideo
? _mediaPermissionVideo : operand._mediaPermissionVideo;
MediaPermissionImage imageIntersectLevel = _mediaPermissionImage < operand._mediaPermissionImage
? _mediaPermissionImage : operand._mediaPermissionImage;
if ((audioIntersectLevel == MediaPermissionAudio.NoAudio) &&
(videoIntersectLevel == MediaPermissionVideo.NoVideo) &&
(imageIntersectLevel == MediaPermissionImage.NoImage))
{
return(null);
}
else
{
return(new MediaPermission(audioIntersectLevel, videoIntersectLevel, imageIntersectLevel));
}
}
else
{
throw new ArgumentException(SR.Get(SRID.TargetNotMediaPermissionLevel));
}
}
public MediaPermission (MediaPermissionImage permissionImage)
{
throw new NotImplementedException ();
}
///<summary>
/// Private helper to compare the level of the 3 enum fields.
///</summary>
private bool EqualsLevel( MediaPermissionAudio audioLevel,
MediaPermissionVideo videoLevel,
MediaPermissionImage imageLevel )
{
return ( ( _mediaPermissionAudio == audioLevel ) &&
( _mediaPermissionVideo == videoLevel ) &&
( _mediaPermissionImage == imageLevel ) ) ;
}
///<summary>
/// MediaPermission ctor.
///</summary>
public MediaPermission(MediaPermissionAudio permissionAudio,
MediaPermissionVideo permissionVideo,
MediaPermissionImage permissionImage )
{
VerifyMediaPermissionAudio( permissionAudio );
VerifyMediaPermissionVideo( permissionVideo );
VerifyMediaPermissionImage( permissionImage );
_mediaPermissionAudio = permissionAudio ;
_mediaPermissionVideo = permissionVideo ;
_mediaPermissionImage = permissionImage ;
}
internal static void VerifyMediaPermissionImage(MediaPermissionImage level)
{
if (level < MediaPermissionImage.NoImage || level > MediaPermissionImage.AllImage )
{
throw new ArgumentException(SR.Get(SRID.InvalidPermissionLevel));
}
}
internal static bool CallerHasMediaPermission(MediaPermissionAudio audioPermissionToDemand,
MediaPermissionVideo videoPermissionToDemand,
MediaPermissionImage imagePermissionToDemand)
{
try
{
(new MediaPermission(audioPermissionToDemand,videoPermissionToDemand,imagePermissionToDemand)).Demand();
return true;
}
catch(SecurityException)
{
return false;
}
}
///<summary>
/// MediaPermission ctor.
///</summary>
public MediaPermission(MediaPermissionImage permissionImage )
{
VerifyMediaPermissionImage( permissionImage );
InitDefaults();
_mediaPermissionImage = permissionImage ;
}
public MediaPermission(MediaPermissionImage permissionImage)
{
}
internal static void DemandMediaPermission(MediaPermissionAudio audioPermissionToDemand, MediaPermissionVideo videoPermissionToDemand, MediaPermissionImage imagePermissionToDemand)
{
new MediaPermission(audioPermissionToDemand, videoPermissionToDemand, imagePermissionToDemand).Demand();
}
public MediaPermission(MediaPermissionAudio permissionAudio, MediaPermissionVideo permissionVideo, MediaPermissionImage permissionImage)
{
throw new NotImplementedException();
}
public MediaPermission(MediaPermissionImage permissionImage)
{
throw new NotImplementedException();
}
public MediaPermission(MediaPermissionAudio permissionAudio,
MediaPermissionVideo permissionVideo,
MediaPermissionImage permissionImage)
{
}
public MediaPermission (MediaPermissionAudio permissionAudio, MediaPermissionVideo permissionVideo, MediaPermissionImage permissionImage)
{
throw new NotImplementedException ();
}
internal static void DemandMediaPermission(MediaPermissionAudio audioPermissionToDemand,
MediaPermissionVideo videoPermissionToDemand,
MediaPermissionImage imagePermissionToDemand)
{
// Demand the appropriate permission
(new MediaPermission(audioPermissionToDemand,
videoPermissionToDemand,
imagePermissionToDemand )).Demand();
}
