/*

     File: SessionContainer.h

 Abstract:  This container class is used to encapsulate the Multipeer Connectivity API classes and their respective delegate callbacks.  The is the MOST IMPORTANT source file in the entire example.  In this class you see examples of managing MCSession state, sending and receving data based messages, and sending and receving URL resources via the convenience API. 

  Version: 1.0

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#import <Foundation/Foundation.h>

@class Transcript;

@protocol SessionContainerDelegate;

// Container utility class for managing MCSession state, API calls, and it's delegate callbacks

@interface SessionContainer : NSObject <MCSessionDelegate>

@property (readonly, nonatomic) MCSession *session;

@property (assign, nonatomic) id<SessionContainerDelegate> delegate;

// Designated initializer

- (id)initWithDisplayName:(NSString *)displayName serviceType:(NSString *)serviceType;

// Method for sending text messages to all connected remote peers.  Returna a message type transcript

- (Transcript *)sendMessage:(NSString *)message;

// Method for sending image resources to all connected remote peers.  Returns an progress type transcript for monitoring tranfer

- (Transcript *)sendImage:(NSURL *)imageUrl;

@end

// Delegate protocol for updating UI when we receive data or resources from peers.

@protocol SessionContainerDelegate <NSObject>

// Method used to signal to UI an initial message, incoming image resource has been received

- (void)receivedTranscript:(Transcript *)transcript;

// Method used to signal to UI an image resource transfer (send or receive) has completed

- (void)updateTranscript:(Transcript *)transcript;

@end