From 3e8437ae559487362fae3525beb79c534c213a51 Mon Sep 17 00:00:00 2001
From: 单军华
Date: Thu, 12 Jul 2018 13:44:34 +0800
Subject: [PATCH] bug修复和功能优化
---
screendisplay/Pods/SDWebImage/SDWebImage/SDWebImageDownloaderOperation.h | 125 +++++++++++++++++++++++++++++++++++++++++
1 files changed, 125 insertions(+), 0 deletions(-)
diff --git a/screendisplay/Pods/SDWebImage/SDWebImage/SDWebImageDownloaderOperation.h b/screendisplay/Pods/SDWebImage/SDWebImage/SDWebImageDownloaderOperation.h
new file mode 100644
index 0000000..d0c5815
--- /dev/null
+++ b/screendisplay/Pods/SDWebImage/SDWebImage/SDWebImageDownloaderOperation.h
@@ -0,0 +1,125 @@
+/*
+ * This file is part of the SDWebImage package.
+ * (c) Olivier Poitrey <rs@dailymotion.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+#import <Foundation/Foundation.h>
+#import "SDWebImageDownloader.h"
+#import "SDWebImageOperation.h"
+
+FOUNDATION_EXPORT NSString * _Nonnull const SDWebImageDownloadStartNotification;
+FOUNDATION_EXPORT NSString * _Nonnull const SDWebImageDownloadReceiveResponseNotification;
+FOUNDATION_EXPORT NSString * _Nonnull const SDWebImageDownloadStopNotification;
+FOUNDATION_EXPORT NSString * _Nonnull const SDWebImageDownloadFinishNotification;
+
+
+
+/**
+ Describes a downloader operation. If one wants to use a custom downloader op, it needs to inherit from `NSOperation` and conform to this protocol
+ For the description about these methods, see `SDWebImageDownloaderOperation`
+ */
+@protocol SDWebImageDownloaderOperationInterface<NSObject>
+
+- (nonnull instancetype)initWithRequest:(nullable NSURLRequest *)request
+ inSession:(nullable NSURLSession *)session
+ options:(SDWebImageDownloaderOptions)options;
+
+- (nullable id)addHandlersForProgress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
+ completed:(nullable SDWebImageDownloaderCompletedBlock)completedBlock;
+
+- (BOOL)shouldDecompressImages;
+- (void)setShouldDecompressImages:(BOOL)value;
+
+- (nullable NSURLCredential *)credential;
+- (void)setCredential:(nullable NSURLCredential *)value;
+
+- (BOOL)cancel:(nullable id)token;
+
+@end
+
+
+@interface SDWebImageDownloaderOperation : NSOperation <SDWebImageDownloaderOperationInterface, SDWebImageOperation, NSURLSessionTaskDelegate, NSURLSessionDataDelegate>
+
+/**
+ * The request used by the operation's task.
+ */
+@property (strong, nonatomic, readonly, nullable) NSURLRequest *request;
+
+/**
+ * The operation's task
+ */
+@property (strong, nonatomic, readonly, nullable) NSURLSessionTask *dataTask;
+
+
+@property (assign, nonatomic) BOOL shouldDecompressImages;
+
+/**
+ * Was used to determine whether the URL connection should consult the credential storage for authenticating the connection.
+ * @deprecated Not used for a couple of versions
+ */
+@property (nonatomic, assign) BOOL shouldUseCredentialStorage __deprecated_msg("Property deprecated. Does nothing. Kept only for backwards compatibility");
+
+/**
+ * The credential used for authentication challenges in `-URLSession:task:didReceiveChallenge:completionHandler:`.
+ *
+ * This will be overridden by any shared credentials that exist for the username or password of the request URL, if present.
+ */
+@property (nonatomic, strong, nullable) NSURLCredential *credential;
+
+/**
+ * The SDWebImageDownloaderOptions for the receiver.
+ */
+@property (assign, nonatomic, readonly) SDWebImageDownloaderOptions options;
+
+/**
+ * The expected size of data.
+ */
+@property (assign, nonatomic) NSInteger expectedSize;
+
+/**
+ * The response returned by the operation's task.
+ */
+@property (strong, nonatomic, nullable) NSURLResponse *response;
+
+/**
+ * Initializes a `SDWebImageDownloaderOperation` object
+ *
+ * @see SDWebImageDownloaderOperation
+ *
+ * @param request the URL request
+ * @param session the URL session in which this operation will run
+ * @param options downloader options
+ *
+ * @return the initialized instance
+ */
+- (nonnull instancetype)initWithRequest:(nullable NSURLRequest *)request
+ inSession:(nullable NSURLSession *)session
+ options:(SDWebImageDownloaderOptions)options NS_DESIGNATED_INITIALIZER;
+
+/**
+ * Adds handlers for progress and completion. Returns a tokent that can be passed to -cancel: to cancel this set of
+ * callbacks.
+ *
+ * @param progressBlock the block executed when a new chunk of data arrives.
+ * @note the progress block is executed on a background queue
+ * @param completedBlock the block executed when the download is done.
+ * @note the completed block is executed on the main queue for success. If errors are found, there is a chance the block will be executed on a background queue
+ *
+ * @return the token to use to cancel this set of handlers
+ */
+- (nullable id)addHandlersForProgress:(nullable SDWebImageDownloaderProgressBlock)progressBlock
+ completed:(nullable SDWebImageDownloaderCompletedBlock)completedBlock;
+
+/**
+ * Cancels a set of callbacks. Once all callbacks are canceled, the operation is cancelled.
+ *
+ * @param token the token representing a set of callbacks to cancel
+ *
+ * @return YES if the operation was stopped because this was the last token to be canceled. NO otherwise.
+ */
+- (BOOL)cancel:(nullable id)token;
+
+@end
--
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