mirrors
/
SDWebImage
mirror of https://github.com/SDWebImage/SDWebImage.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #534 from pixable/ios-background 

iOS Background: Provide background option through the manager
This commit is contained in:
Olivier Poitrey 2013-10-23 11:29:55 -07:00
parent c79e6ffe04 81d6bf91a9
commit 8830781f8f
3 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
SDWebImage/SDWebImageDownloader.h
View File

@ -24,7 +24,10 @@ typedef enum
* (to be combined with `SDWebImageDownloaderUseNSURLCache`).
*/
SDWebImageDownloaderIgnoreCachedResponse = 1 << 3,
/**
* In iOS 4+, continue the download of the image if the app goes to background. This is achieved by asking the system for
* extra time in background to let the request finish. If the background task expires the operation will be cancelled.
*/
SDWebImageDownloaderContinueInBackground = 1 << 4
} SDWebImageDownloaderOptions;

8
SDWebImage/SDWebImageManager.h
View File

@ -40,7 +40,13 @@ typedef enum
*
* Use this flag only if you can't make your URLs static with embeded cache busting parameter.
*/
SDWebImageRefreshCached = 1 << 4
SDWebImageRefreshCached = 1 << 4,
/**
* In iOS 4+, continue the download of the image if the app goes to background. This is achieved by asking the system for
* extra time in background to let the request finish. If the background task expires the operation will be cancelled.
*/
SDWebImageContinueInBackground = 1 << 5
} SDWebImageOptions;
typedef void(^SDWebImageCompletedBlock)(UIImage *image, NSError *error, SDImageCacheType cacheType);

1
SDWebImage/SDWebImageManager.m
View File

@ -144,6 +144,7 @@
if (options & SDWebImageLowPriority) downloaderOptions |= SDWebImageDownloaderLowPriority;
if (options & SDWebImageProgressiveDownload) downloaderOptions |= SDWebImageDownloaderProgressiveDownload;
if (options & SDWebImageRefreshCached) downloaderOptions |= SDWebImageDownloaderUseNSURLCache;
if (options & SDWebImageContinueInBackground) downloaderOptions |= SDWebImageDownloaderContinueInBackground;
if (image && options & SDWebImageRefreshCached)
{
// force progressive off if image already cached but forced refreshing