// test that the tag classes DO support the attachments API.
public void CheckAttachments()
{
var types = CMClockType.Assembly.GetTypes()
.Where(t => CMAttachmentInterfaceType.IsAssignableFrom(t) && !t.IsInterface);
foreach (var t in types)
{
ICMAttachmentBearer obj = GetInstance(t);
if (obj is NSObject)
{
continue;
}
Assert.That(obj.Handle, Is.Not.EqualTo(IntPtr.Zero), t.Name + ".Handle");
using (var attch = new CFString("myAttch")) {
var mode = CMAttachmentMode.ShouldNotPropagate;
CMAttachmentMode otherMode;
obj.SetAttachment("key", attch, CMAttachmentMode.ShouldNotPropagate);
using (var otherAttch = obj.GetAttachment <CFString> ("key", out otherMode)) {
obj.RemoveAllAttachments();
Assert.AreEqual(mode, otherMode);
Assert.IsNotNull(otherAttch, "For type {0}", t.Name);
Assert.AreEqual(attch.ToString(), otherAttch.ToString(), "For type {0}", t.Name);
}
}
if (t is IDisposable)
{
var disposable = obj as IDisposable;
disposable.Dispose();
}
}
}
public static void RemoveAllAttachments(this ICMAttachmentBearer target)
{
if (target is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(target));
}
CMRemoveAllAttachments(target.Handle);
}
public static void RemoveAllAttachments(this ICMAttachmentBearer target)
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
CMRemoveAllAttachments(target.Handle);
}
public static void PropagateAttachments(this ICMAttachmentBearer source, ICMAttachmentBearer destination)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (destination == null)
{
throw new ArgumentNullException(nameof(destination));
}
CMPropagateAttachments(source.Handle, destination.Handle);
}
public static void SetAttachments(this ICMAttachmentBearer target, NSDictionary theAttachments, CMAttachmentMode attachmentMode)
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (theAttachments == null)
{
throw new ArgumentNullException(nameof(theAttachments));
}
CMSetAttachments(target.Handle, theAttachments.Handle, attachmentMode);
}
public static void PropagateAttachments(this ICMAttachmentBearer source, ICMAttachmentBearer destination)
{
if (source is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(source));
}
if (destination is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(destination));
}
CMPropagateAttachments(source.Handle, destination.Handle);
}
public static void SetAttachments(this ICMAttachmentBearer target, NSDictionary theAttachments, CMAttachmentMode attachmentMode)
{
if (target is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(target));
}
if (theAttachments is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(theAttachments));
}
CMSetAttachments(target.Handle, theAttachments.Handle, attachmentMode);
}
public static NSDictionary GetAttachments(this ICMAttachmentBearer target, CMAttachmentMode attachmentMode)
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
var attachments = CMCopyDictionaryOfAttachments(IntPtr.Zero, target.Handle, attachmentMode);
if (attachments == IntPtr.Zero)
{
return(null);
}
return(Runtime.GetNSObject <NSDictionary> (attachments, true));
}
public static void RemoveAttachment(this ICMAttachmentBearer target, string key)
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
var nsKey = NSString.CreateNative(key);
CMRemoveAttachment(target.Handle, nsKey);
NSString.ReleaseNative(nsKey);
}
public static void RemoveAttachment(this ICMAttachmentBearer target, string key)
{
if (target is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(target));
}
if (key is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(key));
}
var nsKey = CFString.CreateNative(key);
CMRemoveAttachment(target.Handle, nsKey);
CFString.ReleaseNative(nsKey);
}
// There is some API that needs a more strongly typed version of a NSDictionary
// and there is no easy way to downcast from NSDictionary to NSDictionary<TKey, TValue>
public static NSDictionary <TKey, TValue> GetAttachments <TKey, TValue> (this ICMAttachmentBearer target, CMAttachmentMode attachmentMode)
where TKey : class, INativeObject
where TValue : class, INativeObject
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
var attachments = CMCopyDictionaryOfAttachments(IntPtr.Zero, target.Handle, attachmentMode);
if (attachments == IntPtr.Zero)
{
return(null);
}
return(Runtime.GetNSObject <NSDictionary <TKey, TValue> > (attachments, true));
}
public static void SetAttachment(this ICMAttachmentBearer target, string key, INativeObject value, CMAttachmentMode attachmentMode)
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
var nsKey = NSString.CreateNative(key);
CMSetAttachment(target.Handle, nsKey, value.Handle, attachmentMode);
NSString.ReleaseNative(nsKey);
}
public static void SetAttachment(this ICMAttachmentBearer target, string key, INativeObject value, CMAttachmentMode attachmentMode)
{
if (target is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(target));
}
if (value is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(value));
}
if (key is null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(key));
}
var nsKey = CFString.CreateNative(key);
CMSetAttachment(target.Handle, nsKey, value.Handle, attachmentMode);
CFString.ReleaseNative(nsKey);
}
public static T GetAttachment <T> (this ICMAttachmentBearer target, string key, out CMAttachmentMode attachmentModeOut) where T : class, INativeObject
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
var nsKey = NSString.CreateNative(key);
var attchm = CMGetAttachment(target.Handle, nsKey, out attachmentModeOut);
NSString.ReleaseNative(nsKey);
if (attchm != IntPtr.Zero)
{
return(Runtime.GetINativeObject <T> (attchm, false));
}
return(default(T));
}
public static T GetAttachment <T> (this ICMAttachmentBearer target, CMSampleBufferAttachmentKey key, out CMAttachmentMode attachmentModeOut) where T : class, INativeObject
{
return(GetAttachment <T> (target, key.GetConstant(), out attachmentModeOut));
}
