public IDictionary <IOHIDElement, IOHIDValue> GetValues(IOHIDElement[] elements)
{
ThrowIfDisposed();
if (elements == null)
{
throw new ArgumentNullException("elements");
}
var elementArray = CFArray.FromNativeObjects(elements);
IOHIDElement[] keys = new IOHIDElement[elements.Length];
IOHIDValue[] values = new IOHIDValue[elements.Length];
CFDictionary multiple = CFDictionary.FromObjectsAndKeys(values, keys);
var multipleRef = multiple.Handle;
var result = IOHIDDeviceCopyValueMultiple(Handle, elementArray.Handle, ref multipleRef);
IOObject.ThrowIfError(result);
var dict = new Dictionary <IOHIDElement, IOHIDValue> (multiple.Count);
IntPtr[] keyRefs, valueRefs;
multiple.GetKeysAndValues(out keyRefs, out valueRefs);
for (int i = 0; i < multiple.Count; i++)
{
dict.Add(new IOHIDElement(keyRefs [i], true), new IOHIDValue(valueRefs [i], true));
}
CFType.Release(multiple.Handle);
return(dict);
}
static InitConstants()
{
// ensure we can init. This is needed before iOS6 (as per doc).
IntPtr p = ABAddressBook.ABAddressBookCreate();
ABGroupProperty.Init();
ABLabel.Init();
ABPersonAddressKey.Init();
ABPersonDateLabel.Init();
ABPersonInstantMessageKey.Init();
ABPersonInstantMessageService.Init();
ABPersonKindId.Init();
ABPersonPhoneLabel.Init();
ABPersonPropertyId.Init();
ABPersonRelatedNamesLabel.Init();
ABPersonUrlLabel.Init();
ABSourcePropertyId.Init();
// From iOS 6.0+ this might return NULL, e.g. if the application is not authorized to access the
// address book, and we would crash if we tried to release a null pointer
if (p != IntPtr.Zero)
{
CFType.Release(p);
}
}
public virtual void Dispose(bool disposing)
{
if (handle != IntPtr.Zero)
{
CFType.Release(handle);
handle = IntPtr.Zero;
}
}
static string GetClassName(IntPtr handle)
{
var classNameRef = IOObjectCopyClass(handle);
var className = new CFString(classNameRef);
CFType.Release(classNameRef);
return(className.ToString());
}
protected virtual void Dispose(bool disposing)
{
if (Handle != IntPtr.Zero)
{
CFType.Release(Handle);
handle = IntPtr.Zero;
}
}
public NSMutableDictionary CreateCFProperties()
{
ThrowIfDisposed();
CFMutableDictionaryRef propertiesRef;
var result = IORegistryEntryCreateCFProperties(Handle, out propertiesRef, IntPtr.Zero, 0);
ThrowIfError(result);
var dict = new NSMutableDictionary(propertiesRef);
CFType.Release(propertiesRef);
return(dict);
}
public NSObject GetLocalizedAttribute(NSString attribute, out NSString language)
{
IntPtr lang;
var o = Runtime.GetNSObject(CTFontDescriptorCopyLocalizedAttribute(Handle, attribute.Handle, out lang));
language = (NSString)Runtime.GetNSObject(lang);
if (lang != IntPtr.Zero)
{
CFType.Release(lang);
}
return(o);
}
public static string GetBundleIdentifierForClass(string className)
{
var classNameAsCFString = new CFString(className);
var bundleIdentifierRef = IOObjectCopyBundleIdentifierForClass(classNameAsCFString.Handle);
var bundleIdentifier = new CFString(bundleIdentifierRef);
if (bundleIdentifierRef == IntPtr.Zero)
{
return(null);
}
CFType.Release(bundleIdentifierRef);
return(bundleIdentifier.ToString());
}
public void SetValueMultiple(IDictionary <IOHIDElement, IOHIDValue> dictonary)
{
ThrowIfDisposed();
if (dictonary == null)
{
throw new ArgumentNullException("multiple");
}
var multiple = CFDictionary.FromObjectsAndKeys(dictonary.Values.ToArray(), dictonary.Keys.ToArray());
var result = IOHIDDeviceSetValueMultiple(Handle, multiple.Handle);
CFType.Release(multiple.Handle);
IOObject.ThrowIfError(result);
}
public static NSMutableDictionary CreateMatchingDictionaryForName(ulong entryId)
{
var dictRef = IORegistryEntryIDMatching(entryId);
if (dictRef == IntPtr.Zero)
{
return(null);
}
var dict = new NSMutableDictionary(dictRef);
CFType.Release(dictRef);
return(dict);
}
internal static NSMutableDictionary CreateMatchingDictionaryForBSDNameWithPort(IntPtr masterPortRef, string bsdName)
{
var dictRef = IOBSDNameMatching(masterPortRef, 0, bsdName);
if (dictRef == IntPtr.Zero)
{
return(null);
}
var dict = new NSMutableDictionary(dictRef);
CFType.Release(dictRef);
return(dict);
}
public CTFontDescriptor[] GetMatchingFontDescriptors()
{
var cfArrayRef = CTFontCollectionCreateMatchingFontDescriptors(Handle);
if (cfArrayRef == IntPtr.Zero)
{
return(new CTFontDescriptor [0]);
}
var matches = NSArray.ArrayFromHandle(cfArrayRef,
fd => new CTFontDescriptor(fd, false));
CFType.Release(cfArrayRef);
return(matches);
}
public static NSMutableDictionary CreateMatchingDictionaryForClass <T> () where T : IOService
{
var className = typeof(T).Name;
var dictRef = IOServiceMatching(className);
if (dictRef == IntPtr.Zero)
{
return(null);
}
var dict = new NSMutableDictionary(dictRef);
CFType.Release(dictRef);
return(dict);
}
public CTFontDescriptor[] GetMatchingFontDescriptors(NSSet mandatoryAttributes)
{
var cfArrayRef = CTFontDescriptorCreateMatchingFontDescriptors(Handle,
mandatoryAttributes == null ? IntPtr.Zero : mandatoryAttributes.Handle);
if (cfArrayRef == IntPtr.Zero)
{
return(new CTFontDescriptor [0]);
}
var matches = NSArray.ArrayFromHandle(cfArrayRef,
fd => new CTFontDescriptor(cfArrayRef, false));
CFType.Release(cfArrayRef);
return(matches);
}
public CFHTTPMessage GetResponseHeader()
{
var handle = GetProperty(_ResponseHeader);
if (handle == IntPtr.Zero)
{
return(null);
}
if (CFType.GetTypeID(handle) != CFHTTPMessage.TypeID)
{
CFType.Release(handle);
throw new InvalidCastException();
}
return(new CFHTTPMessage(handle));
}
public static NSMutableDictionary CreateMatchingDictionaryForName(string name)
{
var dictRef = IOServiceNameMatching(name);
if (dictRef == IntPtr.Zero)
{
return(null);
}
if (dictRef == IntPtr.Zero)
{
return(null);
}
var dict = new NSMutableDictionary(dictRef);
CFType.Release(dictRef);
return(dict);
}
public CTFontDescriptor[] GetMatchingFontDescriptors(Comparison <CTFontDescriptor> comparer)
{
GCHandle comparison = GCHandle.Alloc(comparer);
try {
var cfArrayRef = CTFontCollectionCreateMatchingFontDescriptorsSortedWithCallback(
Handle,
new CTFontCollectionSortDescriptorsCallback(CompareDescriptors),
GCHandle.ToIntPtr(comparison));
if (cfArrayRef == IntPtr.Zero)
{
return(new CTFontDescriptor [0]);
}
var matches = NSArray.ArrayFromHandle(cfArrayRef,
fd => new CTFontDescriptor(cfArrayRef, false));
CFType.Release(cfArrayRef);
return(matches);
}
finally {
comparison.Free();
}
}
public INativeObject Dequeue()
{
//
// Our managed objects already take a reference on the object,
// and by keeping the objects alive in the `queueObjects'
// dictionary, we kept the reference alive. So we need to
// release the newly acquired reference
//
var oHandle = CMBufferQueueDequeueAndRetain(Handle);
if (oHandle == IntPtr.Zero)
{
return(null);
}
CFType.Release(oHandle);
lock (queueObjects){
var managed = queueObjects [oHandle];
queueObjects.Remove(oHandle);
return(managed);
}
}
