增加换肤功能

Pods/YBImageBrowser/Video/YBIBVideoData+Internal.h

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+//
+//  YBIBVideoData+Internal.h
+//  YBImageBrowserDemo
+//
+//  Created by 波儿菜 on 2019/7/11.
+//  Copyright © 2019 杨波. All rights reserved.
+//
+
+#import "YBIBVideoData.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class YBIBVideoData;
+
+@protocol YBIBVideoDataDelegate <NSObject>
+@required
+
+- (void)yb_startLoadingAVAssetFromPHAssetForData:(YBIBVideoData *)data;
+
+- (void)yb_finishLoadingAVAssetFromPHAssetForData:(YBIBVideoData *)data;
+
+- (void)yb_startLoadingFirstFrameForData:(YBIBVideoData *)data;
+
+- (void)yb_finishLoadingFirstFrameForData:(YBIBVideoData *)data;
+
+- (void)yb_videoData:(YBIBVideoData *)data downloadingWithProgress:(CGFloat)progress;
+
+- (void)yb_finishDownloadingForData:(YBIBVideoData *)data;
+
+- (void)yb_videoData:(YBIBVideoData *)data readyForThumbImage:(UIImage *)image;
+
+- (void)yb_videoData:(YBIBVideoData *)data readyForAVAsset:(AVAsset *)asset;
+
+- (void)yb_videoIsInvalidForData:(YBIBVideoData *)data;
+
+@end
+
+@interface YBIBVideoData ()
+
+@property (nonatomic, assign, getter=isLoadingAVAssetFromPHAsset) BOOL loadingAVAssetFromPHAsset;
+
+@property (nonatomic, assign, getter=isLoadingFirstFrame) BOOL loadingFirstFrame;
+
+@property (nonatomic, assign, getter=isDownloading) BOOL downloading;
+
+@property (nonatomic, weak) id<YBIBVideoDataDelegate> delegate;
+
+@end
+
+NS_ASSUME_NONNULL_END