LYRClientDelegate.h

@protocol LYRClientDelegate <NSObject>

@optional

/**
 @abstract Called when client status changes.
 @param client The client calling the delegate method.
 @param status The new status of the client.
 @param error An `NSError` object that contains error information in case the action was not successful.
 */
- (void)layerClient:(LYRClient *)client didChangeStatus:(LYRClientStatus)status error:(NSError *)error
{
    if ((status & LYRClientStatusSessionOpen) == LYRClientStatusSessionOpen) {
        //Client is connected to the Layer service and ready for auth
    }
    
    if ((status & LYRClientStatusConnected) == LYRClientStatusConnected) {
        //Client is authenticated with the Layer service and ready for communication
    }
    
    if ((status & LYRClientStatusSessionClosed) == LYRClientStatusSessionClosed) {
        //Client is no longer authenticated, you should kick of re-auth procedures here is necessary
    }
}

/**
 @abstract Called when there's a progress update of the synchronization procedure
 @param client The client calling the delegate method
 @param tag Synchronization task tag (usefull for when you need to track the progress of each syncrhonization task)
 @param progress A `float` number representing the syncrhonization task progress.
 */
- (void)layerClient:(LYRClient *)client didReceiveSyncUpdateWithTag:(NSUInteger)tag progress:(float)progress;

/**
 @abstract Called when user info of the logged in user changes.
 @param client The client calling the delegate method.
 @param error An `NSError` object that contains error information in case the action was not successful.
 */
- (void)layerClient:(LYRClient *)client didChangeUserInfoWithError:(NSError *)error;

/**
 @abstract Called when contacts changed.
 @param client The client calling the delegate method.
 @param error An `NSError` object that contains error information in case the action was not successful.
 */
- (void)layerClient:(LYRClient *)client didChangeContactsWithError:(NSError *)error;

/**
 @abstract Called when a message has been received.
 @param client The client calling the delegate method.
 @param messages An array of received `LYRMessage` objects.
 */
- (void)layerClient:(LYRClient *)client didReceiveMessages:(NSArray *)messages;

/**
 @abstract Called when a message has been sent.
 @param client The client calling the delegate method.
 @param messages An NSArray of sent `LYRMessage` objects.
 */
- (void)layerClient:(LYRClient *)client didSendMessages:(NSArray *)messages;

/**
 @abstract Called when a call has been received.
 @param client The client calling the delegate method.
 @param call The received `LYRCall` object.
 */
- (void)layerClient:(LYRClient *)client didReceiveCall:(LYRCall *)call;

@end