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69 lines
2.7 KiB
Objective-C
69 lines
2.7 KiB
Objective-C
//
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// ASPINRemoteImageDownloader.h
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/ASAvailability.h>
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#if AS_PIN_REMOTE_IMAGE
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#import <AsyncDisplayKit/ASImageProtocols.h>
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NS_ASSUME_NONNULL_BEGIN
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@class PINRemoteImageManager;
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@interface ASPINRemoteImageDownloader : NSObject <ASImageCacheProtocol, ASImageDownloaderProtocol>
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/**
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* A shared image downloader which can be used by @c ASNetworkImageNodes and @c ASMultiplexImageNodes.
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* The userInfo provided by this downloader is an instance of `PINRemoteImageManagerResult`.
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*
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* This is the default downloader used by network backed image nodes if PINRemoteImage and PINCache are
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* available. It uses PINRemoteImage's features to provide caching and progressive image downloads.
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*/
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+ (ASPINRemoteImageDownloader *)sharedDownloader NS_RETURNS_RETAINED;
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/**
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* Sets the default NSURLSessionConfiguration that will be used by @c ASNetworkImageNodes and @c ASMultiplexImageNodes
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* while loading images off the network. This must be specified early in the application lifecycle before
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* `sharedDownloader` is accessed.
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*
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* @param configuration The session configuration that will be used by `sharedDownloader`
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*
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*/
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+ (void)setSharedImageManagerWithConfiguration:(nullable NSURLSessionConfiguration *)configuration;
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/**
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* Sets a custom preconfigured PINRemoteImageManager that will be used by @c ASNetworkImageNodes and @c ASMultiplexImageNodes
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* while loading images off the network. This must be specified early in the application lifecycle before
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* `sharedDownloader` is accessed. If nil is passed in as the PINRemoteImageManager, it will create
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* a default image manager with a nil session configuration.
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*
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* @param preconfiguredPINRemoteImageManager The preconfigured remote image manager that will be used by `sharedDownloader`
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*/
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+ (void)setSharedPreconfiguredRemoteImageManager:(nullable PINRemoteImageManager *)preconfiguredPINRemoteImageManager;
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/**
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* The shared instance of a @c PINRemoteImageManager used by all @c ASPINRemoteImageDownloaders
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*
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* @discussion you can use this method to access the shared manager. This is useful to share a cache
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* and resources if you need to download images outside of an @c ASNetworkImageNode or
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* @c ASMultiplexImageNode. It's also useful to access the memoryCache and diskCache to set limits
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* or handle authentication challenges.
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*
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* @return An instance of a @c PINRemoteImageManager
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*/
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- (PINRemoteImageManager *)sharedPINRemoteImageManager;
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@end
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NS_ASSUME_NONNULL_END
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#endif
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