Add accessibility actions for translate, download, share actions in media activity

app/src/main/java/app/fedilab/android/mastodon/activities/MediaActivity.java

@@ -193,7 +193,7 @@ public class MediaActivity extends BaseBarActivity implements OnDownloadInterfac
             binding.mediaDescription.setText(description);
             binding.translate.setOnClickListener(v -> {
                 String descriptionToTranslate = attachments.get(mediaPosition - 1).description;
-                TranslateHelper.translate(MediaActivity.this, descriptionToTranslate, status!=null?status.language:"en", translated -> {
+                TranslateHelper.translate(MediaActivity.this, descriptionToTranslate, getStatusLanguageForTranslation(), translated -> {
                     if (translated != null) {
                         attachments.get(mediaPosition - 1).translation = translated;
                         binding.mediaDescriptionTranslated.setText(translated);
@@ -248,7 +248,7 @@ public class MediaActivity extends BaseBarActivity implements OnDownloadInterfac
                 }
                 binding.translate.setOnClickListener(v -> {
                     String descriptionToTranslate = attachments.get(position).description;
-                    TranslateHelper.translate(MediaActivity.this, descriptionToTranslate, status!=null?status.language:"en", translated -> {
+                    TranslateHelper.translate(MediaActivity.this, descriptionToTranslate, getStatusLanguageForTranslation(), translated -> {
                         if (translated != null) {
                             attachments.get(position).translation = translated;
                             binding.mediaDescriptionTranslated.setText(translated);
@@ -292,6 +292,9 @@ public class MediaActivity extends BaseBarActivity implements OnDownloadInterfac
         setFullscreen(true);
     }
 
+    public String getStatusLanguageForTranslation() {
+        return status != null ? status.language : "en";
+    }
 
     private Spannable linkify(Context context, String content) {
         if (content == null) {
@@ -358,6 +361,14 @@ public class MediaActivity extends BaseBarActivity implements OnDownloadInterfac
             }
             return true;
         } else if (item.getItemId() == R.id.action_save) {
+            saveMedia();
+        } else if (item.getItemId() == R.id.action_share) {
+            shareMedia();
+        }
+        return true;
+    }
+
+    public void saveMedia() {
         int position = binding.mediaViewpager.getCurrentItem();
         Attachment attachment = attachments.get(position);
         if (Build.VERSION.SDK_INT >= 23) {
@@ -388,7 +399,9 @@ public class MediaActivity extends BaseBarActivity implements OnDownloadInterfac
                 downloadID = -1;
             }
         }
-        } else if (item.getItemId() == R.id.action_share) {
+    }
+
+    public void shareMedia() {
         int position = binding.mediaViewpager.getCurrentItem();
         Attachment attachment = attachments.get(position);
         if (attachment.type.compareTo("image") == 0) {
@@ -407,8 +420,6 @@ public class MediaActivity extends BaseBarActivity implements OnDownloadInterfac
             }
         }
     }
-        return true;
-    }
 
     @Override
     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {

app/src/main/java/app/fedilab/android/mastodon/ui/fragment/media/FragmentMedia.java

@@ -32,6 +32,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.OptIn;
 import androidx.core.app.ActivityCompat;
+import androidx.core.view.ViewCompat;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.media3.common.MediaItem;
@@ -60,6 +61,7 @@ import app.fedilab.android.mastodon.client.entities.api.Attachment;
 import app.fedilab.android.mastodon.helper.CacheDataSourceFactory;
 import app.fedilab.android.mastodon.helper.Helper;
 import app.fedilab.android.mastodon.helper.MediaHelper;
+import app.fedilab.android.mastodon.helper.TranslateHelper;
 import app.fedilab.android.mastodon.viewmodel.mastodon.TimelinesVM;
 import es.dmoral.toasty.Toasty;
 
@@ -74,6 +76,8 @@ public class FragmentMedia extends Fragment {
     private boolean swipeEnabled;
     private FragmentSlideMediaBinding binding;
     private SlidrInterface slidrInterface;
+    private int mediaPictureTranslateAccessibilityActionId = 0;
+    private int mediaVideoTranslateAccessibilityActionId = 0;
 
     private boolean visible = false;
 
@@ -124,7 +128,6 @@ public class FragmentMedia extends Fragment {
                 enableSliding(true);
             }
         });
-        binding.mediaPicture.setContentDescription(attachment.description);
         binding.mediaPicture.setOnClickListener(v -> {
             if (isAdded()) {
                 ((MediaActivity) requireActivity()).toogleFullScreen();
@@ -137,6 +140,37 @@ public class FragmentMedia extends Fragment {
             }
         });
 
+        if (attachment.description != null) {
+            binding.mediaPicture.setContentDescription(attachment.description);
+            mediaPictureTranslateAccessibilityActionId = ViewCompat.addAccessibilityAction(binding.mediaPicture, getString(R.string.translate), (view2, arguments) -> {
+                translate();
+                return true;
+            });
+
+            binding.mediaVideo.setContentDescription(attachment.description);
+            mediaVideoTranslateAccessibilityActionId = ViewCompat.addAccessibilityAction(binding.mediaVideo, getString(R.string.translate), (view2, arguments) -> {
+                translate();
+                return true;
+            });
+        }
+
+        mediaPictureTranslateAccessibilityActionId = ViewCompat.addAccessibilityAction(binding.mediaPicture, getString(R.string.download), (view2, arguments) -> {
+            ((MediaActivity) requireActivity()).saveMedia();
+            return true;
+        });
+        mediaPictureTranslateAccessibilityActionId = ViewCompat.addAccessibilityAction(binding.mediaVideo, getString(R.string.download), (view2, arguments) -> {
+            ((MediaActivity) requireActivity()).saveMedia();
+            return true;
+        });
+        mediaPictureTranslateAccessibilityActionId = ViewCompat.addAccessibilityAction(binding.mediaPicture, getString(R.string.share), (view2, arguments) -> {
+            ((MediaActivity) requireActivity()).shareMedia();
+            return true;
+        });
+        mediaPictureTranslateAccessibilityActionId = ViewCompat.addAccessibilityAction(binding.mediaVideo, getString(R.string.share), (view2, arguments) -> {
+            ((MediaActivity) requireActivity()).shareMedia();
+            return true;
+        });
+
         String type = attachment.type;
         String preview_url = attachment.preview_url;
         if (type.equalsIgnoreCase("unknown")) {
@@ -267,6 +301,23 @@ public class FragmentMedia extends Fragment {
         }
     }
 
+    public void translate() {
+        if (attachment.translation == null) TranslateHelper.translate(
+                requireContext(),
+                attachment.description,
+                ((MediaActivity) requireActivity()).getStatusLanguageForTranslation(),
+                translated -> {
+                    attachment.translation = translated;
+                    String translatedMediaDescription = getString(R.string.cd_translated_media_description, attachment.translation);
+
+                    binding.mediaPicture.setContentDescription(translatedMediaDescription);
+                    ViewCompat.removeAccessibilityAction(binding.mediaPicture, mediaPictureTranslateAccessibilityActionId);
+
+                    binding.mediaVideo.setContentDescription(translatedMediaDescription);
+                    ViewCompat.removeAccessibilityAction(binding.mediaVideo, mediaVideoTranslateAccessibilityActionId);
+                });
+    }
+
     @androidx.annotation.OptIn(markerClass = androidx.media3.common.util.UnstableApi.class)
     private void loadVideo(String url, String type) {
         if (binding == null || !isAdded() || getActivity() == null || url == null) {

app/src/main/res/layouts/mastodon/layout/activity_media_pager.xml

@@ -43,6 +43,7 @@
         android:visibility="gone"
         tools:visibility="visible"
         app:layout_constraintStart_toStartOf="parent"
+        android:importantForAccessibility="noHideDescendants"
         android:layout_width="match_parent"
         android:layout_height="wrap_content">
         <TextView
@@ -51,7 +52,6 @@
             android:paddingTop="10dp"
             android:paddingBottom="10dp"
             android:paddingEnd="10dp"
-            android:importantForAccessibility="no"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:maxHeight="300dp"