GCKDiscoveryManager.h

// Copyright 2015 Google Inc.

#import <GoogleCast/GCKDefines.h>

#import <Foundation/Foundation.h>

@class GCKDevice;

GCK_ASSUME_NONNULL_BEGIN

GCK_EXTERN NSString *const kGCKKeyHasDiscoveredDevices;

typedef NS_ENUM(NSInteger, GCKDiscoveryState) {
  GCKDiscoveryStateStopped = 0,
  GCKDiscoveryStateRunning = 1
};

@protocol GCKDiscoveryManagerListener;

GCK_EXPORT
@interface GCKDiscoveryManager : NSObject

@property(nonatomic, assign, readonly) GCKDiscoveryState discoveryState;

@property(nonatomic, assign, readonly) BOOL hasDiscoveredDevices;

@property(nonatomic, assign, readwrite) BOOL passiveScan;

@property(nonatomic, assign, readonly) BOOL discoveryActive;

@property(nonatomic, assign, readonly) NSUInteger deviceCount;

- (instancetype)init NS_UNAVAILABLE;

- (void)addListener:(id<GCKDiscoveryManagerListener>)listener;

- (void)removeListener:(id<GCKDiscoveryManagerListener>)listener;

- (void)startDiscovery;

- (void)stopDiscovery;

- (BOOL)isDiscoveryActiveForDeviceCategory:(NSString *)deviceCategory;

- (GCKDevice *)deviceAtIndex:(NSUInteger)index;

- (GCKDevice *GCK_NULLABLE_TYPE)deviceWithUniqueID:(NSString *)uniqueID;

- (void)findDeviceWithUniqueID:(NSString *)uniqueID
                       timeout:(NSTimeInterval)timeout
                    completion:(void (^)(GCKDevice *))completion;

- (void)cancelFindOperation;

@end

@protocol GCKDiscoveryManagerListener <NSObject>

@optional

- (void)didStartDiscoveryForDeviceCategory:(NSString *)deviceCategory;

- (void)willUpdateDeviceList;

- (void)didUpdateDeviceList;

- (void)didInsertDevice:(GCKDevice *)device atIndex:(NSUInteger)index;

- (void)didUpdateDevice:(GCKDevice *)device atIndex:(NSUInteger)index;

- (void)didUpdateDevice:(GCKDevice *)device
                atIndex:(NSUInteger)index
         andMoveToIndex:(NSUInteger)newIndex;

- (void)didRemoveDeviceAtIndex:(NSUInteger)index;

- (void)didRemoveDevice:(GCKDevice *)device atIndex:(NSUInteger)index;

@end

GCK_ASSUME_NONNULL_END