Add list timelines view

* get accounts list timelines from API
* display available lists in discover view tab
* display list timeline

mastodon/src/main/java/org/joinmastodon/android/api/requests/lists/GetLists.java

@@ -0,0 +1,14 @@
+package org.joinmastodon.android.api.requests.lists;
+
+import com.google.gson.reflect.TypeToken;
+
+import org.joinmastodon.android.api.MastodonAPIRequest;
+import org.joinmastodon.android.model.ListTimeline;
+
+import java.util.List;
+
+public class GetLists extends MastodonAPIRequest<List<ListTimeline>>{
+    public GetLists() {
+        super(HttpMethod.GET, "/lists", new TypeToken<>(){});
+    }
+}

mastodon/src/main/java/org/joinmastodon/android/api/requests/timelines/GetListTimeline.java

@@ -0,0 +1,22 @@
+package org.joinmastodon.android.api.requests.timelines;
+
+import com.google.gson.reflect.TypeToken;
+
+import org.joinmastodon.android.api.MastodonAPIRequest;
+import org.joinmastodon.android.model.Status;
+
+import java.util.List;
+
+public class GetListTimeline extends MastodonAPIRequest<List<Status>> {
+    public GetListTimeline(String listID, String maxID, String minID, int limit, String sinceID) {
+        super(HttpMethod.GET, "/timelines/list/"+listID, new TypeToken<>(){});
+        if(maxID!=null)
+            addQueryParameter("max_id", maxID);
+        if(minID!=null)
+            addQueryParameter("min_id", minID);
+        if(limit>0)
+            addQueryParameter("limit", ""+limit);
+        if(sinceID!=null)
+            addQueryParameter("since_id", sinceID);
+    }
+}

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

@@ -0,0 +1,75 @@
+package org.joinmastodon.android.fragments;
+
+import android.app.Activity;
+import android.media.MediaRouter;
+import android.os.Bundle;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageButton;
+
+import org.joinmastodon.android.R;
+import org.joinmastodon.android.api.requests.timelines.GetListTimeline;
+import org.joinmastodon.android.model.Status;
+
+import java.util.List;
+
+import me.grishka.appkit.Nav;
+import me.grishka.appkit.api.SimpleCallback;
+import me.grishka.appkit.utils.V;
+
+
+public class ListTimelineFragment extends StatusListFragment {
+    private String listID;
+    private String listTitle;
+    private ImageButton fab;
+
+    public ListTimelineFragment() {
+        setListLayoutId(R.layout.recycler_fragment_with_fab);
+    }
+
+    @Override
+    public void onAttach(Activity activity){
+        super.onAttach(activity);
+        listID=getArguments().getString("listID");
+        listTitle=getArguments().getString("listTitle");
+        setTitle(listTitle);
+    }
+
+    @Override
+    protected void doLoadData(int offset, int count) {
+        currentRequest=new GetListTimeline(listID, offset==0 ? null : getMaxID(), null, count, null)
+                .setCallback(new SimpleCallback<>(this) {
+                    @Override
+                    public void onSuccess(List<Status> result) {
+                        onDataLoaded(result, !result.isEmpty());
+                    }
+                })
+                .exec(accountID);
+    }
+
+    @Override
+    protected void onShown() {
+        super.onShown();
+        if(!getArguments().getBoolean("noAutoLoad") && !loaded && !dataLoading)
+            loadData();
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        fab=view.findViewById(R.id.fab);
+        fab.setOnClickListener(this::onFabClick);
+    }
+
+    private void onFabClick(View v){
+        Bundle args=new Bundle();
+        args.putString("account", accountID);
+        args.putString("prefilledText", listID+' ');
+        Nav.go(getActivity(), ComposeFragment.class, args);
+    }
+
+    @Override
+    protected void onSetFabBottomInset(int inset) {
+        ((ViewGroup.MarginLayoutParams) fab.getLayoutParams()).bottomMargin=V.dp(24)+inset;
+    }
+}

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

@@ -0,0 +1,96 @@
+package org.joinmastodon.android.fragments;
+
+import android.os.Bundle;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.DividerItemDecoration;
+import androidx.recyclerview.widget.RecyclerView;
+
+import org.joinmastodon.android.R;
+import org.joinmastodon.android.api.requests.lists.GetLists;
+import org.joinmastodon.android.fragments.ScrollableToTop;
+import org.joinmastodon.android.model.ListTimeline;
+import org.joinmastodon.android.ui.utils.UiUtils;
+
+import java.util.List;
+
+import me.grishka.appkit.api.SimpleCallback;
+import me.grishka.appkit.fragments.BaseRecyclerFragment;
+import me.grishka.appkit.utils.BindableViewHolder;
+import me.grishka.appkit.views.UsableRecyclerView;
+
+public class ListTimelinesFragment extends BaseRecyclerFragment<ListTimeline> implements ScrollableToTop {
+    private String accountId;
+
+    public ListTimelinesFragment() {
+        super(10);
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        accountId=getArguments().getString("account");
+    }
+
+    @Override
+    protected void doLoadData(int offset, int count){
+        currentRequest=new GetLists()
+                .setCallback(new SimpleCallback<>(this) {
+                    @Override
+                    public void onSuccess(List<ListTimeline> result) {
+                        onDataLoaded(result, false);
+                    }
+                })
+                .exec(accountId);
+    }
+
+    @Override
+    protected RecyclerView.Adapter getAdapter() {
+        return new ListsAdapter();
+    }
+
+    @Override
+    public void scrollToTop() {
+        smoothScrollRecyclerViewToTop(list);
+    }
+
+    private class ListsAdapter extends RecyclerView.Adapter<ListViewHolder>{
+        @NonNull
+        @Override
+        public ListViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType){
+            return new ListViewHolder();
+        }
+
+        @Override
+        public void onBindViewHolder(@NonNull ListViewHolder holder, int position) {
+            holder.bind(data.get(position));
+        }
+
+        @Override
+        public int getItemCount() {
+            return data.size();
+        }
+    }
+
+    private class ListViewHolder extends BindableViewHolder<ListTimeline> implements UsableRecyclerView.Clickable{
+        private final TextView title;
+
+        public ListViewHolder(){
+            super(getActivity(), R.layout.item_list_timeline, list);
+            title=findViewById(R.id.title);
+        }
+
+        @Override
+        public void onBind(ListTimeline item) {
+            title.setText(item.title);
+        }
+
+        @Override
+        public void onClick() {
+            UiUtils.openListTimeline(getActivity(), accountId, item);
+        }
+    }
+}

mastodon/src/main/java/org/joinmastodon/android/fragments/discover/DiscoverFragment.java

@@ -19,6 +19,7 @@ import android.widget.TextView;
 
 import org.joinmastodon.android.R;
 import org.joinmastodon.android.fragments.ScrollableToTop;
+import org.joinmastodon.android.fragments.ListTimelinesFragment;
 import org.joinmastodon.android.ui.SimpleViewHolder;
 import org.joinmastodon.android.ui.tabs.TabLayout;
 import org.joinmastodon.android.ui.tabs.TabLayoutMediator;
@@ -51,6 +52,7 @@ public class DiscoverFragment extends AppKitFragment implements ScrollableToTop,
 	private DiscoverAccountsFragment accountsFragment;
 	private SearchFragment searchFragment;
 	private LocalTimelineFragment localTimelineFragment;
+	private ListTimelinesFragment listTimelinesFragment;
 
 	private String accountID;
 	private Runnable searchDebouncer=this::onSearchChangedDebounced;
@@ -72,7 +74,7 @@ public class DiscoverFragment extends AppKitFragment implements ScrollableToTop,
 		tabLayout=view.findViewById(R.id.tabbar);
 		pager=view.findViewById(R.id.pager);
 
-		tabViews=new FrameLayout[5];
+		tabViews=new FrameLayout[6];
 		for(int i=0;i<tabViews.length;i++){
 			FrameLayout tabView=new FrameLayout(getActivity());
 			tabView.setId(switch(i){
@@ -81,6 +83,7 @@ public class DiscoverFragment extends AppKitFragment implements ScrollableToTop,
 				case 2 -> R.id.discover_news;
 				case 3 -> R.id.discover_local_timeline;
 				case 4 -> R.id.discover_users;
+				case 5 -> R.id.discover_lists;
 				default -> throw new IllegalStateException("Unexpected value: "+i);
 			});
 			tabView.setVisibility(View.GONE);
@@ -126,12 +129,16 @@ public class DiscoverFragment extends AppKitFragment implements ScrollableToTop,
 			localTimelineFragment=new LocalTimelineFragment();
 			localTimelineFragment.setArguments(args);
 
+			listTimelinesFragment=new ListTimelinesFragment();
+			listTimelinesFragment.setArguments(args);
+
 			getChildFragmentManager().beginTransaction()
 					.add(R.id.discover_posts, postsFragment)
 					.add(R.id.discover_local_timeline, localTimelineFragment)
 					.add(R.id.discover_hashtags, hashtagsFragment)
 					.add(R.id.discover_news, newsFragment)
 					.add(R.id.discover_users, accountsFragment)
+					.add(R.id.discover_lists, listTimelinesFragment)
 					.commit();
 		}
 
@@ -144,6 +151,7 @@ public class DiscoverFragment extends AppKitFragment implements ScrollableToTop,
 					case 2 -> R.string.news;
 					case 3 -> R.string.local_timeline;
 					case 4 -> R.string.for_you;
+					case 5 -> R.string.list_timelines;
 					default -> throw new IllegalStateException("Unexpected value: "+position);
 				});
 				tab.view.textView.setAllCaps(true);
@@ -271,6 +279,7 @@ public class DiscoverFragment extends AppKitFragment implements ScrollableToTop,
 			case 2 -> newsFragment;
 			case 3 -> localTimelineFragment;
 			case 4 -> accountsFragment;
+			case 5 -> listTimelinesFragment;
 			default -> throw new IllegalStateException("Unexpected value: "+page);
 		};
 	}

mastodon/src/main/java/org/joinmastodon/android/model/ListTimeline.java

@@ -0,0 +1,34 @@
+package org.joinmastodon.android.model;
+
+import com.google.gson.annotations.SerializedName;
+
+import org.joinmastodon.android.api.RequiredField;
+import org.parceler.Parcel;
+
+@Parcel
+public class ListTimeline extends BaseModel {
+    @RequiredField
+    public String id;
+    @RequiredField
+    public String title;
+    @RequiredField
+    public RepliesPolicy repliesPolicy;
+
+    @Override
+    public String toString() {
+        return "List{" +
+                "id='" + id + '\'' +
+                ", title='" + title + '\'' +
+                ", repliesPolicy=" + repliesPolicy +
+                '}';
+    }
+
+    public enum RepliesPolicy{
+        @SerializedName("followed")
+        FOLLOWED,
+        @SerializedName("list")
+        LIST,
+        @SerializedName("none")
+        NONE
+    }
+}

mastodon/src/main/java/org/joinmastodon/android/ui/utils/UiUtils.java

@@ -45,10 +45,12 @@ import org.joinmastodon.android.api.requests.statuses.GetStatusByID;
 import org.joinmastodon.android.api.session.AccountSessionManager;
 import org.joinmastodon.android.events.StatusDeletedEvent;
 import org.joinmastodon.android.fragments.HashtagTimelineFragment;
+import org.joinmastodon.android.fragments.ListTimelineFragment;
 import org.joinmastodon.android.fragments.ProfileFragment;
 import org.joinmastodon.android.fragments.ThreadFragment;
 import org.joinmastodon.android.model.Account;
 import org.joinmastodon.android.model.Emoji;
+import org.joinmastodon.android.model.ListTimeline;
 import org.joinmastodon.android.model.Relationship;
 import org.joinmastodon.android.model.Status;
 import org.joinmastodon.android.ui.M3AlertDialogBuilder;
@@ -294,6 +296,14 @@ public class UiUtils{
 		Nav.go((Activity)context, HashtagTimelineFragment.class, args);
 	}
 
+	public static void openListTimeline(Context context, String accountID, ListTimeline list){
+		Bundle args=new Bundle();
+		args.putString("account", accountID);
+		args.putString("listID", list.id);
+		args.putString("listTitle", list.title);
+		Nav.go((Activity)context, ListTimelineFragment.class, args);
+	}
+
 	public static void showConfirmationAlert(Context context, @StringRes int title, @StringRes int message, @StringRes int confirmButton, Runnable onConfirmed){
 		showConfirmationAlert(context, context.getString(title), context.getString(message), context.getString(confirmButton), onConfirmed);
 	}

mastodon/src/main/res/layout/item_list_timeline.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="64dp"
+    android:paddingLeft="16dp"
+    android:paddingRight="16dp"
+    android:paddingTop="12dp">
+
+    <TextView
+        android:id="@+id/title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAppearance="@style/m3_title_large"
+        android:singleLine="true"
+        android:ellipsize="end"
+        tools:text="List"/>
+
+</RelativeLayout>

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

@@ -12,6 +12,7 @@
 	<item name="discover_news" type="id"/>
 	<item name="discover_users" type="id"/>
 	<item name="discover_local_timeline" type="id"/>
+	<item name="discover_lists" type="id"/>
 
 	<item name="notifications_all" type="id"/>
 	<item name="notifications_mentions" type="id"/>

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

@@ -387,4 +387,5 @@
 	<string name="privacy_policy_title">Mastodon and your privacy</string>
 	<string name="privacy_policy_subtitle">Although the Mastodon app does not collect any data, the server you sign up through may have a different policy. Take a minute to review and agree to the Mastodon app privacy policy and your server\'s privacy policy.</string>
 	<string name="i_agree">I Agree</string>
+    <string name="list_timelines">Lists</string>
 </resources>