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95 lines
3.3 KiB
95 lines
3.3 KiB
4 years ago
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#import "WXModuleProtocol.h"
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#import "WXType.h"
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@protocol WXImageOperationProtocol <NSObject>
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- (void)cancel;
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@end
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typedef NS_ENUM(NSInteger, WXImageLoaderCacheType) {
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/**
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* The image wasn't available the imageLoad caches, but was downloaded from the web.
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*/
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WXImageLoaderCacheTypeNone,
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/**
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* The image was obtained from the disk cache.
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*/
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WXImageLoaderCacheTypeDisk,
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/**
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* The image was obtained from the memory cache.
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*/
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WXImageLoaderCacheTypeMemory
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};
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@protocol WXImgLoaderProtocol <WXModuleProtocol>
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/**
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* @abstract Creates a image download handler with a given URL
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*
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* @param url The URL of the image to download
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*
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* @param imageFrame The frame of the image you want to set
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*
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* @param options : The options to be used for this download
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*
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* @param completedBlock : A block called once the download is completed.
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* image : the image which has been download to local.
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* error : the error which has happened in download.
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* finished : a Boolean value indicating whether download action has finished.
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*/
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- (id<WXImageOperationProtocol>)downloadImageWithURL:(NSString *)url imageFrame:(CGRect)imageFrame userInfo:(NSDictionary *)options completed:(void(^)(UIImage *image, NSError *error, BOOL finished))completedBlock;
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@optional
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/**
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* @abstract Creates a image download handler with a given URL
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*
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* @param imageView UIImageView to display the image
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*
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* @param url The URL of the image to download
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*
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* @param placeholder The image to be set initially, until the image request finishes.
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*
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* @param options : The options to be used for download operation
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*
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* @param progressBlock : A block called while the download start
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*
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* @param completedBlock : A block called once the download is completed.
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* image : the image which has been download to local.
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* error : the error which has happened in download.
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* finished : a Boolean value indicating whether download action has finished.
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*/
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- (void)setImageViewWithURL:(UIImageView*)imageView
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url:(NSURL *)url
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placeholderImage:(UIImage *)placeholder
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options:(NSDictionary*)options
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progress:(void(^)(NSInteger receivedSize, NSInteger expectedSize))progressBlock
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completed:(void(^)(UIImage *image, NSError *error, WXImageLoaderCacheType cacheType, NSURL *imageURL))completedBlock;
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/**
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* Cancel the current download image
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*/
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- (void)cancelCurrentImageLoad:(UIImageView*)imageView;
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@end
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