add spectator mode

closes sk22#264

mastodon/src/main/java/org/joinmastodon/android/GlobalUserPreferences.java

@@ -42,6 +42,7 @@ public class GlobalUserPreferences{
 	public static boolean prefixRepliesWithRe;
 	public static boolean bottomEncoding;
 	public static boolean collapseLongPosts;
+	public static boolean spectatorMode;
 	public static String publishButtonText;
 	public static ThemePreference theme;
 	public static ColorPreference color;
@@ -89,6 +90,7 @@ public class GlobalUserPreferences{
 		prefixRepliesWithRe=prefs.getBoolean("prefixRepliesWithRe", false);
 		bottomEncoding=prefs.getBoolean("bottomEncoding", false);
 		collapseLongPosts=prefs.getBoolean("collapseLongPosts", true);
+		spectatorMode=prefs.getBoolean("spectatorMode", false);
 		publishButtonText=prefs.getString("publishButtonText", "");
 		theme=ThemePreference.values()[prefs.getInt("theme", 0)];
 		recentLanguages=fromJson(prefs.getString("recentLanguages", null), recentLanguagesType, new HashMap<>());
@@ -128,6 +130,7 @@ public class GlobalUserPreferences{
 				.putBoolean("enablePreReleases", enablePreReleases)
 				.putBoolean("prefixRepliesWithRe", prefixRepliesWithRe)
 				.putBoolean("collapseLongPosts", collapseLongPosts)
+				.putBoolean("spectatorMode", spectatorMode)
 				.putString("publishButtonText", publishButtonText)
 				.putBoolean("bottomEncoding", bottomEncoding)
 				.putInt("theme", theme.ordinal())

mastodon/src/main/java/org/joinmastodon/android/fragments/SettingsFragment.java

@@ -243,6 +243,11 @@ public class SettingsFragment extends MastodonToolbarFragment{
 			GlobalUserPreferences.collapseLongPosts=i.checked;
 			GlobalUserPreferences.save();
 		}));
+		items.add(new SwitchItem(R.string.sk_spectator_mode, R.drawable.ic_fluent_eye_24_regular, GlobalUserPreferences.spectatorMode, i->{
+			GlobalUserPreferences.spectatorMode=i.checked;
+			GlobalUserPreferences.save();
+			needAppRestart=true;
+		}));
 		items.add(new SwitchItem(R.string.sk_settings_translate_only_opened, R.drawable.ic_fluent_translate_24_regular, GlobalUserPreferences.translateButtonOpenedOnly, i->{
 			GlobalUserPreferences.translateButtonOpenedOnly=i.checked;
 			GlobalUserPreferences.save();

mastodon/src/main/java/org/joinmastodon/android/fragments/StatusListFragment.java

@@ -6,6 +6,7 @@ import android.os.Bundle;
 import com.squareup.otto.Subscribe;
 
 import org.joinmastodon.android.E;
+import org.joinmastodon.android.GlobalUserPreferences;
 import org.joinmastodon.android.events.PollUpdatedEvent;
 import org.joinmastodon.android.events.RemoveAccountPostsEvent;
 import org.joinmastodon.android.events.StatusCountersUpdatedEvent;
@@ -31,7 +32,9 @@ public abstract class StatusListFragment extends BaseStatusListFragment<Status>{
 	protected EventListener eventListener=new EventListener();
 
 	protected List<StatusDisplayItem> buildDisplayItems(Status s){
-		return StatusDisplayItem.buildItems(this, s, accountID, s, knownAccounts, false, true, null, Filter.FilterContext.HOME);
+		boolean addFooter = !GlobalUserPreferences.spectatorMode ||
+				(this instanceof ThreadFragment t && s.id.equals(t.mainStatus.id));
+		return StatusDisplayItem.buildItems(this, s, accountID, s, knownAccounts, false, addFooter, null, Filter.FilterContext.HOME);
 	}
 
 	@Override

mastodon/src/main/java/org/joinmastodon/android/fragments/ThreadFragment.java

@@ -26,7 +26,7 @@ import java.util.stream.Collectors;
 import me.grishka.appkit.api.SimpleCallback;
 
 public class ThreadFragment extends StatusListFragment{
-	private Status mainStatus;
+	protected Status mainStatus;
 
 	@Override
 	public void onCreate(Bundle savedInstanceState){

mastodon/src/main/res/values/strings_sk.xml

@@ -258,4 +258,5 @@
     <string name="sk_settings_collapse_long_posts">Collapse very long posts</string>
     <string name="sk_unfinished_attachments">Fix attachments?</string>
     <string name="sk_unfinished_attachments_message">Some attachments haven’t finished uploading.</string>
+    <string name="sk_spectator_mode">Spectator mode</string>
 </resources>