session-ios/Signal/src/audio/SoundPlayer.m

#import "SoundPlayer.h"
#import "SoundBoard.h"

@interface SoundInstance ()
-(void) play;
-(void) stop;
@end

@implementation SoundPlayer

NSMutableDictionary* currentActiveAudioPlayers;

-(SoundPlayer*) init{
    currentActiveAudioPlayers = [NSMutableDictionary dictionary];
    return self;
}

#pragma mark Delegate Implementations


-(void) addSoundToManifest:(SoundInstance*) sound {
    @synchronized(currentActiveAudioPlayers){
        [sound setCompeletionBlock:^(SoundInstance* soundInst)  {
            [self removeSoundFromManifest:soundInst];
        }];
        [currentActiveAudioPlayers setValue:sound forKey:[sound getId]];
    }
}
-(void) removeSoundFromManifest:(SoundInstance*) sound {
    [self removeSoundFromMainifestById:[sound getId]];
}

-(void) removeSoundFromMainifestById:(NSString*) soundId {
    @synchronized(currentActiveAudioPlayers){
        [currentActiveAudioPlayers removeObjectForKey:soundId];
    }
}

-(void) playSound:(SoundInstance*) sound {
    if (![self isSoundPlaying:sound]){
        [self addSoundToManifest:sound];
        [sound play];
    }
}

-(void) stopSound:(SoundInstance*) sound {
    SoundInstance* playingSoundInstance = currentActiveAudioPlayers[[sound getId]];
    [self removeSoundFromManifest:sound];
    [playingSoundInstance stop];
}

-(void) stopAllAudio{
    for( SoundInstance* sound in currentActiveAudioPlayers.allValues){
        [self stopSound:sound];
    }
}

-(BOOL) isSoundPlaying:(SoundInstance*) sound {
    return nil != currentActiveAudioPlayers[[sound getId]];
}

-(void) awake {
    for( SoundInstance* sound in currentActiveAudioPlayers.allValues){
        [sound play];
    }
}

@end