QueenMaterialDelegate

@protocol QueenMaterialDelegate <NSObject>

@optional

/****
 * Callback of resource download completion.
 * @param type materialType.
 */
- (void)queenMaterialOnReady:(kQueenMaterialType)type;

/****
 * Callback of resource download progress.
 * @param currentSize Downloaded size of resources.
 * @param totalSize The total size of resources.
 * @param type materialType.
 */
- (void)queenMaterialOnProgress:(kQueenMaterialType)type withCurrentSize:(int)currentSize withTotalSize:(int)totalSize withProgess:(float)progress;

/****
 * For the callback of resource download errors, you should check whether there are problems in the network and disk space.
 * @param type materialType.
 */
- (void)queenMaterialOnError:(kQueenMaterialType)type;

@end