/// <summary>
/// Instantiates the <see cref="ImagePipelineCore"/>.
/// </summary>
/// <param name="producerSequenceFactory">
/// The factory that creates all producer sequences.
/// </param>
/// <param name="requestListeners">
/// The listeners for the image requests.
/// </param>
/// <param name="isPrefetchEnabledSupplier">
/// The supplier for enabling prefetch.
/// </param>
/// <param name="bitmapMemoryCache">
/// The memory cache for CloseableImage.
/// </param>
/// <param name="encodedMemoryCache">
/// The memory cache for IPooledByteBuffer.
/// </param>
/// <param name="mainBufferedDiskCache">
/// The default buffered disk cache.
/// </param>
/// <param name="smallImageBufferedDiskCache">
/// The buffered disk cache used for small images.
/// </param>
/// <param name="cacheKeyFactory">
/// The factory that creates cache keys for the pipeline.
/// </param>
/// <param name="threadHandoffProducerQueue">
/// Move further computation to different thread.
/// </param>
/// <param name="flexByteArrayPool">
/// The memory pool use for BitmapImage conversion.
/// </param>
public ImagePipelineCore(
ProducerSequenceFactory producerSequenceFactory,
HashSet <IRequestListener> requestListeners,
ISupplier <bool> isPrefetchEnabledSupplier,
IMemoryCache <ICacheKey, CloseableImage> bitmapMemoryCache,
IMemoryCache <ICacheKey, IPooledByteBuffer> encodedMemoryCache,
BufferedDiskCache mainBufferedDiskCache,
BufferedDiskCache smallImageBufferedDiskCache,
ICacheKeyFactory cacheKeyFactory,
ThreadHandoffProducerQueue threadHandoffProducerQueue,
FlexByteArrayPool flexByteArrayPool)
{
_idCounter = 0;
_producerSequenceFactory = producerSequenceFactory;
_requestListener = new ForwardingRequestListener(requestListeners);
_isPrefetchEnabledSupplier = isPrefetchEnabledSupplier;
_bitmapMemoryCache = bitmapMemoryCache;
_encodedMemoryCache = encodedMemoryCache;
_mainBufferedDiskCache = mainBufferedDiskCache;
_smallImageBufferedDiskCache = smallImageBufferedDiskCache;
_cacheKeyFactory = cacheKeyFactory;
_threadHandoffProducerQueue = threadHandoffProducerQueue;
_flexByteArrayPool = flexByteArrayPool;
_handleResultExecutor = Executors.NewFixedThreadPool(MAX_DATA_SOURCE_SUBSCRIBERS);
}
/// <summary>
/// Instantiates the <see cref="ProducerSequenceFactory"/>.
/// </summary>
public ProducerSequenceFactory(
ProducerFactory producerFactory,
INetworkFetcher <FetchState> networkFetcher,
bool resizeAndRotateEnabledForNetwork,
bool downsampleEnabled,
bool webpSupportEnabled,
ThreadHandoffProducerQueue threadHandoffProducerQueue,
int throttlingMaxSimultaneousRequests,
FlexByteArrayPool flexByteArrayPool)
{
_producerFactory = producerFactory;
_networkFetcher = networkFetcher;
_resizeAndRotateEnabledForNetwork = resizeAndRotateEnabledForNetwork;
_downsampleEnabled = downsampleEnabled;
_webpSupportEnabled = webpSupportEnabled;
_postprocessorSequences = new Dictionary <
IProducer <CloseableReference <CloseableImage> >,
IProducer <CloseableReference <CloseableImage> > >();
_closeableImagePrefetchSequences = new Dictionary <
IProducer <CloseableReference <CloseableImage> >,
IProducer <object> >();
_threadHandoffProducerQueue = threadHandoffProducerQueue;
_throttlingMaxSimultaneousRequests = throttlingMaxSimultaneousRequests;
_flexByteArrayPool = flexByteArrayPool;
}
/// <summary>
/// Instantiates the <see cref="ThreadHandoffProducer{T}"/>.
/// </summary>
/// <param name="inputProducer">
/// The input producer.
/// </param>
/// <param name="inputThreadHandoffProducerQueue">
/// The thread handoff producer queue.
/// </param>
public ThreadHandoffProducer <T> NewBackgroundThreadHandoffProducer <T>(
IProducer <T> inputProducer,
ThreadHandoffProducerQueue inputThreadHandoffProducerQueue)
{
return(new ThreadHandoffProducer <T>(
inputProducer,
inputThreadHandoffProducerQueue));
}
/// <summary>
/// Instantiates the <see cref="ImagePipelineFactory"/>.
/// </summary>
public ImagePipelineFactory(ImagePipelineConfig config)
{
_config = Preconditions.CheckNotNull(config);
_threadHandoffProducerQueue = new ThreadHandoffProducerQueue(
config.ExecutorSupplier.ForLightweightBackgroundTasks);
}
