87 lines
2.2 KiB
Java
87 lines
2.2 KiB
Java
package org.thoughtcrime.securesms.mms;
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import android.content.Context;
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import android.net.Uri;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import com.bumptech.glide.load.Key;
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import com.bumptech.glide.load.Options;
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import com.bumptech.glide.load.model.ModelLoader;
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import com.bumptech.glide.load.model.ModelLoaderFactory;
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import com.bumptech.glide.load.model.MultiModelLoaderFactory;
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import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
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import java.io.InputStream;
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import java.security.MessageDigest;
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public class DecryptableStreamUriLoader implements ModelLoader<DecryptableUri, InputStream> {
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private final Context context;
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private DecryptableStreamUriLoader(Context context) {
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this.context = context;
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}
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@Nullable
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@Override
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public LoadData<InputStream> buildLoadData(@NonNull DecryptableUri decryptableUri, int width, int height, @NonNull Options options) {
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return new LoadData<>(decryptableUri, new DecryptableStreamLocalUriFetcher(context, decryptableUri.uri));
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}
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@Override
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public boolean handles(@NonNull DecryptableUri decryptableUri) {
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return true;
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}
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static class Factory implements ModelLoaderFactory<DecryptableUri, InputStream> {
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private final Context context;
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Factory(Context context) {
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this.context = context.getApplicationContext();
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}
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@Override
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public @NonNull ModelLoader<DecryptableUri, InputStream> build(@NonNull MultiModelLoaderFactory multiFactory) {
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return new DecryptableStreamUriLoader(context);
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}
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@Override
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public void teardown() {
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// Do nothing.
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}
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}
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public static class DecryptableUri implements Key {
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public @NonNull Uri uri;
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public DecryptableUri(@NonNull Uri uri) {
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this.uri = uri;
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}
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@Override
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public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
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messageDigest.update(uri.toString().getBytes());
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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DecryptableUri that = (DecryptableUri)o;
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return uri.equals(that.uri);
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}
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@Override
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public int hashCode() {
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return uri.hashCode();
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}
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}
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}
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