fix media resizing (#686)

* fix media resizing

* move exception catching out of method

app/src/main/java/com/keylesspalace/tusky/ComposeActivity.java

@@ -85,7 +85,6 @@ import com.keylesspalace.tusky.adapter.EmojiAdapter;
 import com.keylesspalace.tusky.adapter.MentionAutoCompleteAdapter;
 import com.keylesspalace.tusky.adapter.OnEmojiSelectedListener;
 import com.keylesspalace.tusky.db.AccountEntity;
-import com.keylesspalace.tusky.db.AccountManager;
 import com.keylesspalace.tusky.db.AppDatabase;
 import com.keylesspalace.tusky.db.InstanceEntity;
 import com.keylesspalace.tusky.di.Injectable;
@@ -151,6 +150,7 @@ public final class ComposeActivity
     private static final String TAG = "ComposeActivity"; // logging tag
     static final int STATUS_CHARACTER_LIMIT = 500;
     private static final int STATUS_MEDIA_SIZE_LIMIT = 8388608; // 8MiB
+    private static final int STATUS_MEDIA_PIXEL_SIZE_LIMIT = 16777216; // 4096^2 Pixels
     private static final int MEDIA_PICK_RESULT = 1;
     private static final int MEDIA_TAKE_PHOTO_RESULT = 2;
     private static final int PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE = 1;
@@ -1063,10 +1063,16 @@ public final class ComposeActivity
 
         if (item.readyStage != QueuedMedia.ReadyStage.UPLOADED) {
             waitForMediaLatch.countUp();
-            if (mediaSize > STATUS_MEDIA_SIZE_LIMIT && type == QueuedMedia.Type.IMAGE) {
-                downsizeMedia(item);
-            } else {
-                uploadMedia(item);
+
+            try {
+                if (type == QueuedMedia.Type.IMAGE &&
+                        (mediaSize > STATUS_MEDIA_SIZE_LIMIT || MediaUtils.getImageSquarePixels(getContentResolver(), item.uri) > STATUS_MEDIA_PIXEL_SIZE_LIMIT)) {
+                    downsizeMedia(item);
+                } else {
+                    uploadMedia(item);
+                }
+            } catch (FileNotFoundException e) {
+                onUploadFailure(item, false);
             }
         }
     }

app/src/main/java/com/keylesspalace/tusky/util/DownsizeImageTask.java

@@ -172,7 +172,6 @@ public class DownsizeImageTask extends AsyncTask<Uri, Void, Boolean> {
              * test, and keep trying at smaller sizes. The initial estimate should be good for
              * many cases, so it should only iterate once, but the loop is used to be absolutely
              * sure it gets downsized to below the limit. */
-            int iterations = 0;
             int scaledImageSize = 1024;
             do {
                 stream.reset();
@@ -208,12 +207,11 @@ public class DownsizeImageTask extends AsyncTask<Uri, Void, Boolean> {
                 } else {
                     format = Bitmap.CompressFormat.PNG;
                 }
-                reorientedBitmap.compress(format, 75, stream);
+                reorientedBitmap.compress(format, 85, stream);
                 reorientedBitmap.recycle();
                 scaledImageSize /= 2;
-                iterations++;
             } while (stream.size() > sizeLimit);
-            Assert.expect(iterations < 3);
+
             resultList.add(stream.toByteArray());
             if (isCancelled()) {
                 return false;

app/src/main/java/com/keylesspalace/tusky/util/MediaUtils.java

@@ -126,4 +126,17 @@ public class MediaUtils {
         source.recycle();
         return bitmap;
     }
+
+    public static long getImageSquarePixels(ContentResolver contentResolver, Uri uri) throws FileNotFoundException {
+        InputStream input;
+        input = contentResolver.openInputStream(uri);
+
+        final BitmapFactory.Options options = new BitmapFactory.Options();
+        options.inJustDecodeBounds = true;
+        BitmapFactory.decodeStream(input, null, options);
+
+        IOUtils.closeQuietly(input);
+
+        return (long) options.outWidth * options.outHeight;
+    }
 }