session-android/src/org/thoughtcrime/securesms/mms/ContactPhotoUriLoader.java

83 lines
2.2 KiB
Java

package org.thoughtcrime.securesms.mms;
import android.content.Context;
import android.net.Uri;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import com.bumptech.glide.load.Key;
import com.bumptech.glide.load.Options;
import com.bumptech.glide.load.data.StreamLocalUriFetcher;
import com.bumptech.glide.load.model.ModelLoader;
import com.bumptech.glide.load.model.ModelLoaderFactory;
import com.bumptech.glide.load.model.MultiModelLoaderFactory;
import org.thoughtcrime.securesms.mms.ContactPhotoUriLoader.ContactPhotoUri;
import java.io.InputStream;
import java.security.MessageDigest;
public class ContactPhotoUriLoader implements ModelLoader<ContactPhotoUri, InputStream> {
private final Context context;
private ContactPhotoUriLoader(Context context) {
this.context = context;
}
@Nullable
@Override
public LoadData<InputStream> buildLoadData(ContactPhotoUri contactPhotoUri, int width, int height, Options options) {
return new LoadData<>(contactPhotoUri, new StreamLocalUriFetcher(context.getContentResolver(), contactPhotoUri.uri));
}
@Override
public boolean handles(ContactPhotoUri contactPhotoUri) {
return true;
}
static class Factory implements ModelLoaderFactory<ContactPhotoUri, InputStream> {
private final Context context;
Factory(Context context) {
this.context = context.getApplicationContext();
}
@Override
public ModelLoader<ContactPhotoUri, InputStream> build(MultiModelLoaderFactory multiFactory) {
return new ContactPhotoUriLoader(context);
}
@Override
public void teardown() {
// Do nothing.
}
}
public static class ContactPhotoUri implements Key {
public @NonNull Uri uri;
public ContactPhotoUri(@NonNull Uri uri) {
this.uri = uri;
}
@Override
public void updateDiskCacheKey(MessageDigest messageDigest) {
messageDigest.update(uri.toString().getBytes());
}
@Override
public boolean equals(Object other) {
if (other == null || !(other instanceof ContactPhotoUri)) return false;
return this.uri.equals(((ContactPhotoUri)other).uri);
}
public int hashCode() {
return uri.hashCode();
}
}
}