feat: translate media attachments and poll options (#916)

* feat(status): translate media attachments

* feat(status): translate poll options

* fix(status/translation): do not require all fields

* feat(status/translation): support translating spoiler

mastodon/src/main/java/org/joinmastodon/android/ui/displayitems/MediaGridStatusDisplayItem.java

@@ -12,6 +12,7 @@ import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.LayerDrawable;
 import android.text.TextUtils;
+import android.util.Pair;
 import android.view.Gravity;
 import android.view.View;
 import android.view.ViewGroup;
@@ -26,6 +27,7 @@ import org.joinmastodon.android.R;
 import org.joinmastodon.android.fragments.BaseStatusListFragment;
 import org.joinmastodon.android.model.Attachment;
 import org.joinmastodon.android.model.Status;
+import org.joinmastodon.android.model.Translation;
 import org.joinmastodon.android.ui.OutlineProviders;
 import org.joinmastodon.android.ui.PhotoLayoutHelper;
 import org.joinmastodon.android.ui.drawables.SpoilerStripesDrawable;
@@ -38,7 +40,12 @@ import org.joinmastodon.android.ui.views.MediaGridLayout;
 import org.joinmastodon.android.utils.TypedObjectPool;
 
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
 
 import me.grishka.appkit.imageloader.ImageLoaderViewHolder;
 import me.grishka.appkit.imageloader.requests.ImageLoaderRequest;
@@ -52,6 +59,7 @@ public class MediaGridStatusDisplayItem extends StatusDisplayItem{
 	private PhotoLayoutHelper.TiledLayoutResult tiledLayout;
 	private final TypedObjectPool<GridItemType, MediaAttachmentViewController> viewPool;
 	private final List<Attachment> attachments;
+	private final Map<String, Pair<String, String>> translatedAttachments = new HashMap<>();
 	private final ArrayList<ImageLoaderRequest> requests=new ArrayList<>();
 	public final Status status;
 	public String sensitiveTitle;
@@ -189,6 +197,25 @@ public class MediaGridStatusDisplayItem extends StatusDisplayItem{
 					c.btnsWrap.setAlpha(1f);
 				}
 				controllers.add(c);
+
+				if (item.status.translation != null){
+					if(item.status.translationState==Status.TranslationState.SHOWN){
+						if(!item.translatedAttachments.containsKey(att.id)){
+							Optional<Translation.MediaAttachment> translatedAttachment=Arrays.stream(item.status.translation.mediaAttachments).filter(mediaAttachment->mediaAttachment.id.equals(att.id)).findFirst();
+							translatedAttachment.ifPresent(mediaAttachment->{
+								item.translatedAttachments.put(mediaAttachment.id, new Pair<>(att.description, mediaAttachment.description));
+								att.description=mediaAttachment.description;
+							});
+						}else{
+							//SAFETY: must be non-null, as we check if the map contains the attachment before
+							att.description=Objects.requireNonNull(item.translatedAttachments.get(att.id)).second;
+						}
+					}else{
+						if (item.translatedAttachments.containsKey(att.id)) {
+							att.description=Objects.requireNonNull(item.translatedAttachments.get(att.id)).first;
+						}
+					}
+				}
 				c.bind(att, item.status);
 				i++;
 			}

mastodon/src/main/java/org/joinmastodon/android/ui/displayitems/PollOptionStatusDisplayItem.java

@@ -11,6 +11,7 @@ import android.widget.TextView;
 import org.joinmastodon.android.R;
 import org.joinmastodon.android.fragments.BaseStatusListFragment;
 import org.joinmastodon.android.model.Poll;
+import org.joinmastodon.android.model.Status;
 import org.joinmastodon.android.ui.OutlineProviders;
 import org.joinmastodon.android.ui.text.HtmlParser;
 import org.joinmastodon.android.ui.utils.CustomEmojiHelper;
@@ -23,6 +24,7 @@ import me.grishka.appkit.imageloader.requests.ImageLoaderRequest;
 
 public class PollOptionStatusDisplayItem extends StatusDisplayItem{
 	private CharSequence text;
+	private CharSequence translatedText;
 	public final Poll.Option option;
 	private CustomEmojiHelper emojiHelper=new CustomEmojiHelper();
 	private boolean showResults;
@@ -30,12 +32,15 @@ public class PollOptionStatusDisplayItem extends StatusDisplayItem{
 	private boolean isMostVoted;
 	private final int optionIndex;
 	public final Poll poll;
+	public final Status status;
 
-	public PollOptionStatusDisplayItem(String parentID, Poll poll, int optionIndex, BaseStatusListFragment parentFragment){
+
+	public PollOptionStatusDisplayItem(String parentID, Poll poll, int optionIndex, BaseStatusListFragment parentFragment, Status status){
 		super(parentID, parentFragment);
 		this.optionIndex=optionIndex;
 		option=poll.options.get(optionIndex);
 		this.poll=poll;
+		this.status=status;
 		text=HtmlParser.parseCustomEmoji(option.title, poll.emojis);
 		emojiHelper.setText(text);
 		showResults=poll.isExpired() || poll.voted;
@@ -84,7 +89,14 @@ public class PollOptionStatusDisplayItem extends StatusDisplayItem{
 
 		@Override
 		public void onBind(PollOptionStatusDisplayItem item){
-			text.setText(item.text);
+			if (item.status.translation != null && item.status.translationState == Status.TranslationState.SHOWN) {
+				if(item.translatedText==null){
+					item.translatedText=item.status.translation.poll.options[item.optionIndex].title;
+				}
+				text.setText(item.translatedText);
+			} else {
+				text.setText(item.text);
+			}
 			percent.setVisibility(item.showResults ? View.VISIBLE : View.GONE);
 			itemView.setClickable(!item.showResults);
 			icon.setImageDrawable(itemView.getContext().getDrawable(item.poll.multiple ?

mastodon/src/main/java/org/joinmastodon/android/ui/displayitems/SpoilerStatusDisplayItem.java

@@ -27,6 +27,7 @@ public class SpoilerStatusDisplayItem extends StatusDisplayItem{
 	public final Status status;
 	public final ArrayList<StatusDisplayItem> contentItems=new ArrayList<>();
 	private final CharSequence parsedTitle;
+	private CharSequence translatedTitle;
 	private final CustomEmojiHelper emojiHelper;
 	private final Type type;
 	private final int attachmentCount;
@@ -90,7 +91,14 @@ public class SpoilerStatusDisplayItem extends StatusDisplayItem{
 
 		@Override
 		public void onBind(SpoilerStatusDisplayItem item){
-			title.setText(item.parsedTitle);
+			if(item.status.translationState==Status.TranslationState.SHOWN){
+				if(item.translatedTitle==null){
+					item.translatedTitle=item.status.translation.spoilerText;
+				}
+				title.setText(item.translatedTitle);
+			}else{
+				title.setText(item.parsedTitle);
+			}
 			action.setText(item.status.spoilerRevealed ? R.string.spoiler_hide : R.string.sk_spoiler_show);
 			itemView.setPadding(
 					itemView.getPaddingLeft(),

mastodon/src/main/java/org/joinmastodon/android/ui/displayitems/StatusDisplayItem.java

@@ -285,7 +285,7 @@ public abstract class StatusDisplayItem{
 			}
 		}
 		if(statusForContent.poll!=null){
-			buildPollItems(parentID, fragment, statusForContent.poll, contentItems);
+			buildPollItems(parentID, fragment, statusForContent.poll, status, contentItems);
 		}
 		if(statusForContent.card!=null && statusForContent.mediaAttachments.isEmpty()){
 			contentItems.add(new LinkCardStatusDisplayItem(parentID, fragment, statusForContent));
@@ -339,10 +339,10 @@ public abstract class StatusDisplayItem{
 		);
 	}
 
-	public static void buildPollItems(String parentID, BaseStatusListFragment fragment, Poll poll, List<StatusDisplayItem> items){
+	public static void buildPollItems(String parentID, BaseStatusListFragment fragment, Poll poll, Status status, List<StatusDisplayItem> items){
 		int i=0;
 		for(Poll.Option opt:poll.options){
-			items.add(new PollOptionStatusDisplayItem(parentID, poll, i, fragment));
+			items.add(new PollOptionStatusDisplayItem(parentID, poll, i, fragment, status));
 			i++;
 		}
 		items.add(new PollFooterStatusDisplayItem(parentID, fragment, poll));