Initial commit

sources/com/bumptech/glide/load/resource/gif/StreamGifDecoder.java

@@ -0,0 +1,63 @@
+package com.bumptech.glide.load.resource.gif;
+
+import android.util.Log;
+import com.bumptech.glide.load.ImageHeaderParser;
+import com.bumptech.glide.load.ImageHeaderParserUtils;
+import com.bumptech.glide.load.Options;
+import com.bumptech.glide.load.ResourceDecoder;
+import com.bumptech.glide.load.engine.Resource;
+import com.bumptech.glide.load.engine.bitmap_recycle.ArrayPool;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.ByteBuffer;
+import java.util.List;
+
+/* loaded from: classes.dex */
+public class StreamGifDecoder implements ResourceDecoder<InputStream, GifDrawable> {
+    private final List<ImageHeaderParser> a;
+    private final ResourceDecoder<ByteBuffer, GifDrawable> b;
+    private final ArrayPool c;
+
+    public StreamGifDecoder(List<ImageHeaderParser> list, ResourceDecoder<ByteBuffer, GifDrawable> resourceDecoder, ArrayPool arrayPool) {
+        this.a = list;
+        this.b = resourceDecoder;
+        this.c = arrayPool;
+    }
+
+    @Override // com.bumptech.glide.load.ResourceDecoder
+    public boolean a(InputStream inputStream, Options options) throws IOException {
+        return !((Boolean) options.a(GifOptions.b)).booleanValue() && ImageHeaderParserUtils.b(this.a, inputStream, this.c) == ImageHeaderParser.ImageType.GIF;
+    }
+
+    @Override // com.bumptech.glide.load.ResourceDecoder
+    public Resource<GifDrawable> a(InputStream inputStream, int i, int i2, Options options) throws IOException {
+        byte[] a = a(inputStream);
+        if (a == null) {
+            return null;
+        }
+        return this.b.a(ByteBuffer.wrap(a), i, i2, options);
+    }
+
+    private static byte[] a(InputStream inputStream) {
+        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(16384);
+        try {
+            byte[] bArr = new byte[16384];
+            while (true) {
+                int read = inputStream.read(bArr);
+                if (read != -1) {
+                    byteArrayOutputStream.write(bArr, 0, read);
+                } else {
+                    byteArrayOutputStream.flush();
+                    return byteArrayOutputStream.toByteArray();
+                }
+            }
+        } catch (IOException e) {
+            if (!Log.isLoggable("StreamGifDecoder", 5)) {
+                return null;
+            }
+            Log.w("StreamGifDecoder", "Error reading data from stream", e);
+            return null;
+        }
+    }
+}