81 lines
2.4 KiB
Java
81 lines
2.4 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 android.support.annotation.NonNull;
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import com.bumptech.glide.load.data.DataFetcher;
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import com.bumptech.glide.load.model.GenericLoaderFactory;
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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.stream.StreamModelLoader;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import org.thoughtcrime.securesms.mms.AttachmentStreamUriLoader.AttachmentModel;
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import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
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import org.thoughtcrime.securesms.util.SaveAttachmentTask.Attachment;
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import java.io.File;
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import java.io.InputStream;
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/**
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* A {@link ModelLoader} for translating uri models into {@link InputStream} data. Capable of handling 'http',
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* 'https', 'android.resource', 'content', and 'file' schemes. Unsupported schemes will throw an exception in
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* {@link #getResourceFetcher(Uri, int, int)}.
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*/
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public class AttachmentStreamUriLoader implements StreamModelLoader<AttachmentModel> {
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private final Context context;
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/**
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* THe default factory for {@link com.bumptech.glide.load.model.stream.StreamUriLoader}s.
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*/
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public static class Factory implements ModelLoaderFactory<AttachmentModel, InputStream> {
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@Override
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public StreamModelLoader<AttachmentModel> build(Context context, GenericLoaderFactory factories) {
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return new AttachmentStreamUriLoader(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 AttachmentStreamUriLoader(Context context) {
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this.context = context;
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}
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@Override
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public DataFetcher<InputStream> getResourceFetcher(AttachmentModel model, int width, int height) {
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return new AttachmentStreamLocalUriFetcher(model.attachment, model.key);
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}
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public static class AttachmentModel {
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public @NonNull File attachment;
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public @NonNull byte[] key;
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public AttachmentModel(@NonNull File attachment, @NonNull byte[] key) {
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this.attachment = attachment;
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this.key = key;
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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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AttachmentModel that = (AttachmentModel)o;
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return attachment.equals(that.attachment);
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}
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@Override
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public int hashCode() {
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return attachment.hashCode();
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}
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}
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}
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