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114 lines
2.6 KiB
114 lines
2.6 KiB
1 year ago
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// MOBFImageGetter.h
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// MOBFoundation
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//
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// Created by fenghj on 16/1/21.
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// Copyright © 2016年 MOB. All rights reserved.
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//
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#import "MOBFImageObserver.h"
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#import "MOBFImageServiceTypeDef.h"
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#import <Foundation/Foundation.h>
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@class MOBFImageCachePolicy;
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/**
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* 图片获取器
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*/
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@interface MOBFImageGetter : NSObject
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/**
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* 获取共享图片服务实例
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*
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* @return 图片服务实例
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*/
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+ (instancetype _Nullable )sharedInstance;
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/**
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初始化图片服务实例
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@param cachePolicy 缓存策略
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@return 图片服务实例
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*/
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- (instancetype _Nullable )initWithCachePolicy:(MOBFImageCachePolicy *_Nullable)cachePolicy;
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/**
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* 是否存在图片缓存
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*
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* @param url 图片URL
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*
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* @return YES 表示图片已缓存，NO 图片未缓存
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*/
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- (BOOL)existsImageCacheWithURL:(NSURL *_Nullable)url;
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/**
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* 获取图片
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*
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* @param url 图片路径
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* @param resultHandler 返回事件
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*
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* @return 服务观察者
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*/
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- (MOBFImageObserver *_Nonnull)getImageWithURL:(NSURL *_Nullable)url
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result:(MOBFImageGetterResultHandler _Nullable )resultHandler;
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/**
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* 获取图片
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*
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* @param url 图片路径
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* @param allowReadCache 是否允许读取缓存
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* @param resultHandler 返回事件
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*
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* @return 服务观察者
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*/
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- (MOBFImageObserver *_Nullable)getImageWithURL:(NSURL * _Nullable)url
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allowReadCache:(BOOL)allowReadCache
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result:(MOBFImageGetterResultHandler _Nullable )resultHandler;
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/**
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获取图片数据
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@param url 图片路径
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@param resultHandler 返回事件
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@return 服务观察者
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*/
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- (MOBFImageObserver *_Nullable)getImageDataWithURL:(NSURL * _Nullable)url
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result:(MOBFImageDataGetterResultHandler _Nullable)resultHandler;
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/**
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获取图片数据
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@param url 图片路径
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@param allowReadCache 是否允许读取缓存
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@param resultHandler 返回事件
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@return 服务观察者
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*/
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- (MOBFImageObserver *_Nullable)getImageDataWithURL:(NSURL * _Nullable)url
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allowReadCache:(BOOL)allowReadCache
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result:(MOBFImageDataGetterResultHandler _Nullable)resultHandler;
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/**
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* 移除图片观察者
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*
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* @param imageObserver 图片观察者
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*/
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- (void)removeImageObserver:(MOBFImageObserver * _Nullable)imageObserver;
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/**
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* 删除磁盘中缓存中图片
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*
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* @param url 图片地址
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*/
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- (void)removeImageForURL:(nullable NSURL *)url;
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/**
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* 删除当前缓存策略下磁盘目录中所有图片
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*
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*/
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- (void)clearDisk;
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@end
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