120 lines
4.3 KiB
Java
120 lines
4.3 KiB
Java
package org.thoughtcrime.securesms.components;
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import android.content.Context;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.support.annotation.Nullable;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.util.Pair;
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import android.view.View;
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import android.widget.FrameLayout;
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import com.bumptech.glide.load.engine.DiskCacheStrategy;
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import com.bumptech.glide.request.target.Target;
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import com.davemorrissey.labs.subscaleview.ImageSource;
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import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView;
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import com.github.chrisbanes.photoview.PhotoView;
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import org.thoughtcrime.securesms.R;
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import org.thoughtcrime.securesms.components.subsampling.AttachmentBitmapDecoder;
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import org.thoughtcrime.securesms.components.subsampling.AttachmentRegionDecoder;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
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import org.thoughtcrime.securesms.mms.GlideApp;
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import org.thoughtcrime.securesms.mms.PartAuthority;
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import org.thoughtcrime.securesms.util.BitmapDecodingException;
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import org.thoughtcrime.securesms.util.BitmapUtil;
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import org.thoughtcrime.securesms.util.MediaUtil;
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import java.io.IOException;
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import java.io.InputStream;
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public class ZoomingImageView extends FrameLayout {
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private static final String TAG = ZoomingImageView.class.getName();
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private final PhotoView photoView;
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private final SubsamplingScaleImageView subsamplingImageView;
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public ZoomingImageView(Context context) {
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this(context, null);
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}
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public ZoomingImageView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public ZoomingImageView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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inflate(context, R.layout.zooming_image_view, this);
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this.photoView = findViewById(R.id.image_view);
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this.subsamplingImageView = findViewById(R.id.subsampling_image_view);
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this.subsamplingImageView.setBitmapDecoderClass(AttachmentBitmapDecoder.class);
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this.subsamplingImageView.setRegionDecoderClass(AttachmentRegionDecoder.class);
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this.subsamplingImageView.setOrientation(SubsamplingScaleImageView.ORIENTATION_USE_EXIF);
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}
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public void setImageUri(final MasterSecret masterSecret, final Uri uri, final String contentType) {
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final Context context = getContext();
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final int maxTextureSize = BitmapUtil.getMaxTextureSize();
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Log.w(TAG, "Max texture size: " + maxTextureSize);
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new AsyncTask<Void, Void, Pair<Integer, Integer>>() {
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@Override
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protected @Nullable Pair<Integer, Integer> doInBackground(Void... params) {
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if (MediaUtil.isGif(contentType)) return null;
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try {
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InputStream inputStream = PartAuthority.getAttachmentStream(context, masterSecret, uri);
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return BitmapUtil.getDimensions(inputStream);
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} catch (IOException | BitmapDecodingException e) {
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Log.w(TAG, e);
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return null;
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}
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}
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protected void onPostExecute(@Nullable Pair<Integer, Integer> dimensions) {
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Log.w(TAG, "Dimensions: " + (dimensions == null ? "(null)" : dimensions.first + ", " + dimensions.second));
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if (dimensions == null || (dimensions.first <= maxTextureSize && dimensions.second <= maxTextureSize)) {
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Log.w(TAG, "Loading in standard image view...");
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setImageViewUri(masterSecret, uri);
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} else {
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Log.w(TAG, "Loading in subsampling image view...");
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setSubsamplingImageViewUri(uri);
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}
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}
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}.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
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}
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private void setImageViewUri(MasterSecret masterSecret, Uri uri) {
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photoView.setVisibility(View.VISIBLE);
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subsamplingImageView.setVisibility(View.GONE);
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GlideApp.with(getContext())
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.load(new DecryptableUri(masterSecret, uri))
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.diskCacheStrategy(DiskCacheStrategy.NONE)
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.dontTransform()
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.override(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)
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.into(photoView);
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}
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private void setSubsamplingImageViewUri(Uri uri) {
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subsamplingImageView.setVisibility(View.VISIBLE);
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photoView.setVisibility(View.GONE);
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subsamplingImageView.setImage(ImageSource.uri(uri));
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}
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public void cleanup() {
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photoView.setImageDrawable(null);
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subsamplingImageView.recycle();
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}
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}
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