feat(tabs/notifications): add unread badge

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

@@ -47,6 +47,7 @@ public class GlobalUserPreferences{
 	public static boolean collapseLongPosts;
 	public static boolean spectatorMode;
 	public static boolean autoHideFab;
+	public static long lastNotificationOpenedTime;
 	public static String publishButtonText;
 	public static ThemePreference theme;
 	public static ColorPreference color;
@@ -101,6 +102,7 @@ public class GlobalUserPreferences{
 		collapseLongPosts=prefs.getBoolean("collapseLongPosts", true);
 		spectatorMode=prefs.getBoolean("spectatorMode", false);
 		autoHideFab=prefs.getBoolean("autoHideFab", true);
+		lastNotificationOpenedTime=prefs.getLong("lastNotificationOpenedTime", 0);
 		publishButtonText=prefs.getString("publishButtonText", "");
 		theme=ThemePreference.values()[prefs.getInt("theme", 0)];
 		recentLanguages=fromJson(prefs.getString("recentLanguages", "{}"), recentLanguagesType, new HashMap<>());
@@ -150,6 +152,7 @@ public class GlobalUserPreferences{
 				.putBoolean("collapseLongPosts", collapseLongPosts)
 				.putBoolean("spectatorMode", spectatorMode)
 				.putBoolean("autoHideFab", autoHideFab)
+				.putLong("lastNotificationOpenedTime", lastNotificationOpenedTime)
 				.putString("publishButtonText", publishButtonText)
 				.putBoolean("bottomEncoding", bottomEncoding)
 				.putInt("theme", theme.ordinal())

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

@@ -16,21 +16,32 @@ import android.widget.FrameLayout;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 
+import org.joinmastodon.android.GlobalUserPreferences;
 import org.joinmastodon.android.R;
+import org.joinmastodon.android.api.requests.markers.SaveMarkers;
 import org.joinmastodon.android.api.session.AccountSession;
 import org.joinmastodon.android.api.session.AccountSessionManager;
 import org.joinmastodon.android.fragments.discover.DiscoverFragment;
 import org.joinmastodon.android.model.Account;
+import org.joinmastodon.android.model.Notification;
+import org.joinmastodon.android.model.PaginatedResponse;
 import org.joinmastodon.android.ui.AccountSwitcherSheet;
 import org.joinmastodon.android.ui.utils.UiUtils;
 import org.joinmastodon.android.ui.views.TabBar;
 import org.parceler.Parcels;
 
+import java.time.Instant;
 import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
 
 import androidx.annotation.IdRes;
 import androidx.annotation.Nullable;
 import me.grishka.appkit.FragmentStackActivity;
+import me.grishka.appkit.api.Callback;
+import me.grishka.appkit.api.ErrorResponse;
+import me.grishka.appkit.api.SimpleCallback;
 import me.grishka.appkit.fragments.AppKitFragment;
 import me.grishka.appkit.fragments.LoaderFragment;
 import me.grishka.appkit.fragments.OnBackPressedListener;
@@ -52,6 +63,8 @@ public class HomeFragment extends AppKitFragment implements OnBackPressedListene
 	private TabBar tabBar;
 	private View tabBarWrap;
 	private ImageView tabBarAvatar;
+	private ImageView notificationTabIcon;
+	private boolean notificationBadged = false;
 	@IdRes
 	private int currentTab=R.id.tab_home;
 
@@ -117,6 +130,23 @@ public class HomeFragment extends AppKitFragment implements OnBackPressedListene
 		Account self=AccountSessionManager.getInstance().getAccount(accountID).self;
 		ViewImageLoader.load(tabBarAvatar, null, new UrlImageLoaderRequest(self.avatar, V.dp(28), V.dp(28)));
 
+		notificationTabIcon=content.findViewById(R.id.tab_notifications);
+
+		AccountSessionManager.getInstance()
+				.getAccount(accountID).getCacheController()
+				.getNotifications(null, 1, false, false, true, new Callback<>() {
+					@Override
+					public void onSuccess(PaginatedResponse<List<Notification>> result) {
+						notificationBadged = result.items.get(0).createdAt.isAfter(Instant.ofEpochMilli(GlobalUserPreferences.lastNotificationOpenedTime));
+						setNotificationBadge();
+					}
+
+					@Override
+					public void onError(ErrorResponse error) {
+						error.showToast(getContext());
+					}
+				});
+
 		if(savedInstanceState==null){
 			getChildFragmentManager().beginTransaction()
 					.add(R.id.fragment_wrap, homeTabFragment)
@@ -255,6 +285,14 @@ public class HomeFragment extends AppKitFragment implements OnBackPressedListene
 				scrollable.scrollToTop();
 			return;
 		}
+
+		if(tab == R.id.tab_notifications){
+			notificationBadged=false;
+			GlobalUserPreferences.lastNotificationOpenedTime = System.currentTimeMillis();
+			GlobalUserPreferences.save();
+			setNotificationBadge();
+		}
+
 		getChildFragmentManager().beginTransaction().hide(fragmentForTab(currentTab)).show(newFragment).commit();
 		maybeTriggerLoading(newFragment);
 		currentTab=tab;
@@ -327,4 +365,8 @@ public class HomeFragment extends AppKitFragment implements OnBackPressedListene
 //		getChildFragmentManager().putFragment(outState, "notificationsFragment", notificationsFragment);
 //		getChildFragmentManager().putFragment(outState, "profileFragment", profileFragment);
 	}
+
+	private void setNotificationBadge() {
+			notificationTabIcon.setImageDrawable(getContext().getDrawable(notificationBadged ? R.drawable.ic_notifications_tab_badged : R.drawable.ic_fluent_alert_28_selector));
+	}
 }

mastodon/src/main/res/drawable/ic_notifications_tab_badged.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/ic_fluent_alert_28_selector" android:left="2dp" android:right="2dp" android:top="2dp" android:bottom="2dp"/>
+    <item android:width="14dp" android:height="14dp" android:gravity="top|right">
+        <shape android:shape="oval">
+            <stroke android:color="?android:colorPrimary" android:width="2dp"/>
+            <solid android:color="?android:colorAccent"/>
+        </shape>
+    </item>
+</layer-list>