com.xtremelabs.imageutils
Class ImageCacher
java.lang.Object
com.xtremelabs.imageutils.ImageCacher
- All Implemented Interfaces:
- AsyncOperationsObserver, ImageDiskObserver
public class ImageCacher
- extends java.lang.Object
- implements ImageDiskObserver, AsyncOperationsObserver
This class defensively handles requests from four locations: LifecycleReferenceManager, ImageMemoryCacherInterface, ImageDiskCacherInterface, ImageNetworkInterface and the AsyncOperationsMaps.
The job of this class is to "route" messages appropriately in order to ensure synchronized handling of image downloading and caching operations.
| Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
getInstance
public static ImageCacher getInstance(Context appContext)
getBitmap
public com.xtremelabs.imageutils.ImageResponse getBitmap(com.xtremelabs.imageutils.ImageRequest imageRequest,
ImageCacher.ImageCacherListener imageCacherListener)
getSampleSize
public int getSampleSize(com.xtremelabs.imageutils.ImageRequest imageRequest)
- Specified by:
getSampleSize in interface AsyncOperationsObserver
precacheImageToDisk
public void precacheImageToDisk(com.xtremelabs.imageutils.ImageRequest imageRequest)
- Caches the image at the provided uri to disk. If the image is already on disk, it gets bumped on the eviction queue.
- Parameters:
uri -
clearMemCache
public void clearMemCache()
setMaximumMemCacheSize
public void setMaximumMemCacheSize(long size)
setMaximumDiskCacheSize
public void setMaximumDiskCacheSize(long maxSizeInBytes)
cancelRequestForBitmap
public void cancelRequestForBitmap(ImageCacher.ImageCacherListener imageCacherListener)
onImageDecoded
public void onImageDecoded(DecodeSignature decodeSignature,
Bitmap bitmap,
ImageReturnedFrom returnedFrom)
- Specified by:
onImageDecoded in interface ImageDiskObserver
onImageDecodeFailed
public void onImageDecodeFailed(DecodeSignature decodeSignature,
java.lang.String message)
- Specified by:
onImageDecodeFailed in interface ImageDiskObserver
onImageDownloaded
public void onImageDownloaded(java.lang.String uri)
onImageDownloadFailed
public void onImageDownloadFailed(java.lang.String uri,
java.lang.String message)
onImageDecodeRequired
public void onImageDecodeRequired(DecodeSignature decodeSignature)
- Specified by:
onImageDecodeRequired in interface AsyncOperationsObserver
isNetworkRequestPending
public boolean isNetworkRequestPending(java.lang.String uri)
- Specified by:
isNetworkRequestPending in interface AsyncOperationsObserver
isDecodeRequestPending
public boolean isDecodeRequestPending(DecodeSignature decodeSignature)
- Specified by:
isDecodeRequestPending in interface AsyncOperationsObserver
setNetworkRequestCreator
public void setNetworkRequestCreator(NetworkRequestCreator networkRequestCreator)
onImageDetailsRetrieved
public void onImageDetailsRetrieved(java.lang.String uri)
- Specified by:
onImageDetailsRetrieved in interface ImageDiskObserver
onImageDetailsRequestFailed
public void onImageDetailsRequestFailed(java.lang.String uri,
java.lang.String message)
- Specified by:
onImageDetailsRequestFailed in interface ImageDiskObserver
onImageDetailsRequired
public void onImageDetailsRequired(java.lang.String uri)
- Specified by:
onImageDetailsRequired in interface AsyncOperationsObserver
invalidateFileSystemUri
public void invalidateFileSystemUri(java.lang.String uri)