/// <summary>
/// Registers a callback function to listen requests from the applications.
/// </summary>
/// <since_tizen> 4 </since_tizen>
/// <param name="addedEvent">The callback function pointer that is invoked when Add() is requested.</param>
/// <feature>http://tizen.org/feature/shortcut</feature>
/// <privilege>http://tizen.org/privilege/shortcut</privilege>
/// <remarks>
/// Previous registered delegate function should be unregistered.
/// </remarks>
/// <exception cref="ArgumentException">Thrown when an argument is invalid.</exception>
/// <exception cref="UnauthorizedAccessException">Thrown in case the permission is denied.</exception>
/// <exception cref="NotSupportedException">Thrown when the shortcut is not supported.</exception>
/// <exception cref="OutOfMemoryException">Thrown in case of out of memory.</exception>
/// <exception cref="InvalidOperationException">Thrown in case of any internal error.</exception>
public static void RegisterEventHandler(ShortcutAdded addedEvent)
{
if (shortcutAddCallback == null)
{
shortcutAddCallback = new Interop.Shortcut.AddCallback(AddCallback);
Interop.Shortcut.ErrorCode err = Interop.Shortcut.SetShortcutAddCallback(shortcutAddCallback, IntPtr.Zero);
if (err != Interop.Shortcut.ErrorCode.None)
{
shortcutAddCallback = null;
throw ShortcutErrorFactory.GetException(err, "unable to register callback");
}
shortcutAdded = addedEvent;
}
else
{
throw ShortcutErrorFactory.GetException(Interop.Shortcut.ErrorCode.InvalidParameter, null);
}
}
/// <summary>
/// Unregisters a callback for the shortcut request.
/// </summary>
/// <since_tizen> 4 </since_tizen>
/// <param name="addedEvent">The callback function pointer that is used for RegisterCallback.</param>
/// <feature>http://tizen.org/feature/shortcut</feature>
/// <privilege>http://tizen.org/privilege/shortcut</privilege>
/// <exception cref="ArgumentException">Thrown when an argument is invalid.</exception>
/// <exception cref="UnauthorizedAccessException">Thrown in case the permission is denied.</exception>
/// <exception cref="NotSupportedException">Thrown when the shortcut is not supported.</exception>
public static void UnregisterEventHandler(ShortcutAdded addedEvent)
{
if (shortcutAdded != null && shortcutAdded.Equals(addedEvent))
{
shortcutAdded = null;
if (shortcutAddCallback != null)
{
Interop.Shortcut.UnsetShortcutAddCallback();
shortcutAddCallback = null;
int err = ErrorFacts.GetLastResult();
if (err != (int)Interop.Shortcut.ErrorCode.None)
{
throw ShortcutErrorFactory.GetException((Interop.Shortcut.ErrorCode)err, "unable to unregister callback");
}
}
}
else
{
throw ShortcutErrorFactory.GetException(Interop.Shortcut.ErrorCode.InvalidParameter, null);
}
}
