Java 类com.bumptech.glide.load.model.stream.StreamStringLoader 实例源码

/**
 * Gif增强
 *
 * @return
 */
public GlidePlus gifPlus() {
    mRequestBuilder = Glide.with(mContext)
            .using(new StreamStringLoader(mContext), InputStream.class)
            .from(String.class)
            .as(ImageWrapper.class)
            .transcode(new ImageWrapperDrawableTranscoder(mContext), Drawable.class)
            .decoder(new ImageWrapperStreamResourceDecoder(mContext))
            .cacheDecoder(new ImageWrapperFileToStreamDecoder(mContext))
            .sourceEncoder(new StreamEncoder())
            .animate(new DrawableCrossFadeAnimator())
            .diskCacheStrategy(DiskCacheStrategy.SOURCE);
    return this;
}

Glide(Engine engine, RequestQueue requestQueue, MemoryCache memoryCache, BitmapPool bitmapPool,
        Context context) {
    this.engine = engine;
    this.requestQueue = requestQueue;
    this.bitmapPool = bitmapPool;
    this.memoryCache = memoryCache;

    dataLoadProviderFactory = new DataLoadProviderFactory();
    dataLoadProviderFactory.register(InputStream.class, Bitmap.class, new StreamBitmapDataLoadProvider(bitmapPool));

    dataLoadProviderFactory.register(ParcelFileDescriptor.class, Bitmap.class,
            new FileDescriptorBitmapDataLoadProvider(bitmapPool));

    ImageVideoDataLoadProvider imageVideoDataLoadProvider = new ImageVideoDataLoadProvider(bitmapPool);
    dataLoadProviderFactory.register(ImageVideoWrapper.class, Bitmap.class, imageVideoDataLoadProvider);

    GifDataLoadProvider gifDataLoadProvider = new GifDataLoadProvider(context, bitmapPool);
    dataLoadProviderFactory.register(ImageVideoWrapper.class, GifBitmapWrapper.class,
            new ImageVideoGifDataLoadProvider(imageVideoDataLoadProvider, gifDataLoadProvider));

    register(File.class, ParcelFileDescriptor.class, new FileDescriptorFileLoader.Factory());
    register(File.class, InputStream.class, new StreamFileLoader.Factory());
    register(Integer.class, ParcelFileDescriptor.class, new FileDescriptorResourceLoader.Factory());
    register(Integer.class, InputStream.class, new StreamResourceLoader.Factory());
    register(String.class, ParcelFileDescriptor.class, new FileDescriptorStringLoader.Factory());
    register(String.class, InputStream.class, new StreamStringLoader.Factory());
    register(Uri.class, ParcelFileDescriptor.class, new FileDescriptorUriLoader.Factory());
    register(Uri.class, InputStream.class, new StreamUriLoader.Factory());
    register(URL.class, InputStream.class, new StreamUrlLoader.Factory());
    register(GlideUrl.class, InputStream.class, new VolleyUrlLoader.Factory(requestQueue));

    transcoderFactory.register(Bitmap.class, BitmapDrawable.class,
            new BitmapDrawableTranscoder(context.getResources(), bitmapPool));
    transcoderFactory.register(GifBitmapWrapper.class, Drawable.class,
            new GifBitmapDrawableTranscoder(context));
}

Glide(Engine engine, RequestQueue requestQueue, MemoryCache memoryCache, BitmapPool bitmapPool,
        Context context) {
    this.engine = engine;
    this.requestQueue = requestQueue;
    this.bitmapPool = bitmapPool;
    this.memoryCache = memoryCache;

    dataLoadProviderFactory = new DataLoadProviderFactory();
    dataLoadProviderFactory.register(InputStream.class, Bitmap.class, new StreamBitmapDataLoadProvider(bitmapPool));

    dataLoadProviderFactory.register(ParcelFileDescriptor.class, Bitmap.class,
            new FileDescriptorBitmapDataLoadProvider(bitmapPool));

    ImageVideoDataLoadProvider imageVideoDataLoadProvider = new ImageVideoDataLoadProvider(bitmapPool);
    dataLoadProviderFactory.register(ImageVideoWrapper.class, Bitmap.class, imageVideoDataLoadProvider);

    GifDataLoadProvider gifDataLoadProvider = new GifDataLoadProvider(context, bitmapPool);
    dataLoadProviderFactory.register(ImageVideoWrapper.class, GifBitmapWrapper.class,
            new ImageVideoGifDataLoadProvider(imageVideoDataLoadProvider, gifDataLoadProvider));

    register(File.class, ParcelFileDescriptor.class, new FileDescriptorFileLoader.Factory());
    register(File.class, InputStream.class, new StreamFileLoader.Factory());
    register(Integer.class, ParcelFileDescriptor.class, new FileDescriptorResourceLoader.Factory());
    register(Integer.class, InputStream.class, new StreamResourceLoader.Factory());
    register(String.class, ParcelFileDescriptor.class, new FileDescriptorStringLoader.Factory());
    register(String.class, InputStream.class, new StreamStringLoader.Factory());
    register(Uri.class, ParcelFileDescriptor.class, new FileDescriptorUriLoader.Factory());
    register(Uri.class, InputStream.class, new StreamUriLoader.Factory());
    register(URL.class, InputStream.class, new StreamUrlLoader.Factory());
    register(GlideUrl.class, InputStream.class, new VolleyUrlLoader.Factory(requestQueue));

    transcoderFactory.register(Bitmap.class, BitmapDrawable.class,
            new BitmapDrawableTranscoder(context.getResources(), bitmapPool));
    transcoderFactory.register(GifBitmapWrapper.class, Drawable.class,
            new GifBitmapDrawableTranscoder(context));
}

Glide(Engine engine, RequestQueue requestQueue, MemoryCache memoryCache, BitmapPool bitmapPool,
        Context context) {
    this.engine = engine;
    this.requestQueue = requestQueue;
    this.bitmapPool = bitmapPool;
    this.memoryCache = memoryCache;

    dataLoadProviderFactory = new DataLoadProviderFactory();
    dataLoadProviderFactory.register(InputStream.class, Bitmap.class, new StreamBitmapDataLoadProvider(bitmapPool));

    dataLoadProviderFactory.register(ParcelFileDescriptor.class, Bitmap.class,
            new FileDescriptorBitmapDataLoadProvider(bitmapPool));

    ImageVideoDataLoadProvider imageVideoDataLoadProvider = new ImageVideoDataLoadProvider(bitmapPool);
    dataLoadProviderFactory.register(ImageVideoWrapper.class, Bitmap.class, imageVideoDataLoadProvider);

    GifDataLoadProvider gifDataLoadProvider = new GifDataLoadProvider(context, bitmapPool);
    dataLoadProviderFactory.register(ImageVideoWrapper.class, GifBitmapWrapper.class,
            new ImageVideoGifDataLoadProvider(imageVideoDataLoadProvider, gifDataLoadProvider));

    register(File.class, ParcelFileDescriptor.class, new FileDescriptorFileLoader.Factory());
    register(File.class, InputStream.class, new StreamFileLoader.Factory());
    register(Integer.class, ParcelFileDescriptor.class, new FileDescriptorResourceLoader.Factory());
    register(Integer.class, InputStream.class, new StreamResourceLoader.Factory());
    register(String.class, ParcelFileDescriptor.class, new FileDescriptorStringLoader.Factory());
    register(String.class, InputStream.class, new StreamStringLoader.Factory());
    register(Uri.class, ParcelFileDescriptor.class, new FileDescriptorUriLoader.Factory());
    register(Uri.class, InputStream.class, new StreamUriLoader.Factory());
    register(URL.class, InputStream.class, new StreamUrlLoader.Factory());
    register(GlideUrl.class, InputStream.class, new VolleyUrlLoader.Factory(requestQueue));

    transcoderFactory.register(Bitmap.class, BitmapDrawable.class,
            new BitmapDrawableTranscoder(context.getResources(), bitmapPool));
    transcoderFactory.register(GifBitmapWrapper.class, Drawable.class,
            new GifBitmapDrawableTranscoder(context));
}

Glide(Engine engine, RequestQueue requestQueue, MemoryCache memoryCache, BitmapPool bitmapPool,
        Context context) {
    this.engine = engine;
    this.requestQueue = requestQueue;
    this.bitmapPool = bitmapPool;
    this.memoryCache = memoryCache;

    dataLoadProviderFactory = new DataLoadProviderFactory();
    dataLoadProviderFactory.register(InputStream.class, Bitmap.class, new StreamBitmapDataLoadProvider(bitmapPool));

    dataLoadProviderFactory.register(ParcelFileDescriptor.class, Bitmap.class,
            new FileDescriptorBitmapDataLoadProvider(bitmapPool));

    ImageVideoDataLoadProvider imageVideoDataLoadProvider = new ImageVideoDataLoadProvider(bitmapPool);
    dataLoadProviderFactory.register(ImageVideoWrapper.class, Bitmap.class, imageVideoDataLoadProvider);

    GifDataLoadProvider gifDataLoadProvider = new GifDataLoadProvider(context, bitmapPool);
    dataLoadProviderFactory.register(ImageVideoWrapper.class, GifBitmapWrapper.class,
            new ImageVideoGifDataLoadProvider(imageVideoDataLoadProvider, gifDataLoadProvider));

    register(File.class, ParcelFileDescriptor.class, new FileDescriptorFileLoader.Factory());
    register(File.class, InputStream.class, new StreamFileLoader.Factory());
    register(Integer.class, ParcelFileDescriptor.class, new FileDescriptorResourceLoader.Factory());
    register(Integer.class, InputStream.class, new StreamResourceLoader.Factory());
    register(String.class, ParcelFileDescriptor.class, new FileDescriptorStringLoader.Factory());
    register(String.class, InputStream.class, new StreamStringLoader.Factory());
    register(Uri.class, ParcelFileDescriptor.class, new FileDescriptorUriLoader.Factory());
    register(Uri.class, InputStream.class, new StreamUriLoader.Factory());
    register(URL.class, InputStream.class, new StreamUrlLoader.Factory());
    register(GlideUrl.class, InputStream.class, new VolleyUrlLoader.Factory(requestQueue));

    transcoderFactory.register(Bitmap.class, BitmapDrawable.class,
            new BitmapDrawableTranscoder(context.getResources(), bitmapPool));
    transcoderFactory.register(GifBitmapWrapper.class, Drawable.class,
            new GifBitmapDrawableTranscoder(context));
}

@Override public void onAttach(Context context) {
    super.onAttach(context);
    BitmapPool pool = Glide.get(context).getBitmapPool();
    // default decoder, this is the base complexity Glide.with.load.into() hides from you
    GifBitmapWrapperStreamResourceDecoder decoder = new GifBitmapWrapperStreamResourceDecoder(
            new GifBitmapWrapperResourceDecoder(
                    new ImageVideoBitmapDecoder(
                            new StreamBitmapDecoder(pool),
                            new FileDescriptorBitmapDecoder(context)
                    ),
                    new GifResourceDecoder(context, pool),
                    pool
            )
    );

    // all the defaults hardcoded here in order to end up with a normal Drawable instead of a GlideDrawable
    urlGlide = Glide
            .with(this)
            .using(new StreamStringLoader(getActivity()), InputStream.class)
            .from(String.class)
            .as(GifBitmapWrapper.class)
            .transcode(new GeneralizingTranscoder<GifBitmapWrapper, GlideDrawable, Drawable>(
                            new GifBitmapWrapperDrawableTranscoder(new GlideBitmapDrawableTranscoder(context))),
                    Drawable.class)
            .decoder(decoder)
            .sourceEncoder(new StreamEncoder())
            .cacheDecoder(new FileToStreamDecoder<>(decoder))
            .animate(new AlwaysCrossFade<>(true))
            .encoder(new GifBitmapWrapperResourceEncoder(new BitmapEncoder(), new GifResourceEncoder(pool)))
            .diskCacheStrategy(DiskCacheStrategy.ALL) // just to demonstrate it's working, pick your preference
            .transform(new GifBitmapWrapperTransformation(pool, new FitCenter(context))) // == .fitCenter()
            .listener(new LoggingListener<String, Drawable>("url")) // debug
    ;
    // see https://github.com/bumptech/glide/issues/122#issuecomment-99629392
    drawableGlide = Glide
            .with(this)
            .using(new PassthroughModelLoader<Drawable, Drawable>(), Drawable.class)
            .from(Drawable.class)
            .as(Drawable.class)
            // this works even if the drawables don't behave well regarding constantState.newDrawable
            // Beware: might be problematic if constant state is supported, but altered (e.g. color filters)
            .decoder(new SimpleResourceDecoder<Drawable>()) // prefer DrawableResourceDecoder if possible!
            .animate(new AlwaysCrossFade<>(true))
            .diskCacheStrategy(DiskCacheStrategy.NONE)
            .listener(new LoggingListener<Drawable, Drawable>("drawable")) // debug
    ;

    // prevents null check the first time
    // don't forge to null everything out explicitly (error/placeholder/fallback/thumbnail), if they're set above
    lastLoad = urlGlide.clone().load(null).listener(null).dontAnimate();
}