Merge pull request #429 from FineFindus/feat/trending-links-timeline

feat(Discover): add Timeline to trending links

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

@@ -0,0 +1,23 @@
+package org.joinmastodon.android.api.requests.timelines;
+
+import androidx.annotation.NonNull;
+
+import com.google.gson.reflect.TypeToken;
+
+import org.joinmastodon.android.api.MastodonAPIRequest;
+import org.joinmastodon.android.model.Status;
+
+import java.util.List;
+
+public class GetTrendingLinksTimeline extends MastodonAPIRequest<List<Status>>{
+	public GetTrendingLinksTimeline(@NonNull String url, String maxID, String minID, int limit){
+		super(HttpMethod.GET, "/timelines/link/", new TypeToken<>(){});
+		addQueryParameter("url", url);
+		if(maxID!=null)
+			addQueryParameter("max_id", maxID);
+		if(minID!=null)
+			addQueryParameter("min_id", minID);
+		if(limit>0)
+			addQueryParameter("limit", ""+limit);
+	}
+}

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

@@ -21,6 +21,7 @@ import org.joinmastodon.android.ui.drawables.BlurhashCrossfadeDrawable;
 import org.joinmastodon.android.ui.utils.DiscoverInfoBannerHelper;
 import org.joinmastodon.android.ui.utils.UiUtils;
 import org.joinmastodon.android.utils.ProvidesAssistContent;
+import org.parceler.Parcels;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -29,6 +30,7 @@ import java.util.stream.Collectors;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
+import me.grishka.appkit.Nav;
 import me.grishka.appkit.api.SimpleCallback;
 import me.grishka.appkit.fragments.BaseRecyclerFragment;
 import me.grishka.appkit.imageloader.ImageLoaderRecyclerAdapter;
@@ -215,7 +217,16 @@ public class DiscoverNewsFragment extends BaseRecyclerFragment<CardViewModel> im
 
 		@Override
 		public void onClick(){
+			//TODO: enable timeline for all servers once 4.3.0 is released
+			if(getInstance().isEmpty() ||
+					!getInstance().get().version.contains("4.3.0")){
 				UiUtils.launchWebBrowser(getActivity(), item.url);
+				return;
+			}
+			Bundle args=new Bundle();
+			args.putString("account", accountID);
+			args.putParcelable("trendingLink", Parcels.wrap(item));
+			Nav.go(getActivity(), DiscoverTrendingLinkTimelineFragment.class, args);
 		}
 	}
 

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

@@ -0,0 +1,210 @@
+package org.joinmastodon.android.fragments.discover;
+
+import android.app.Activity;
+import android.net.Uri;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import org.joinmastodon.android.R;
+import org.joinmastodon.android.api.requests.timelines.GetTrendingLinksTimeline;
+import org.joinmastodon.android.api.session.AccountSessionManager;
+import org.joinmastodon.android.fragments.ComposeFragment;
+import org.joinmastodon.android.fragments.HomeTabFragment;
+import org.joinmastodon.android.fragments.StatusListFragment;
+import org.joinmastodon.android.model.Card;
+import org.joinmastodon.android.model.FilterContext;
+import org.joinmastodon.android.model.Status;
+import org.joinmastodon.android.ui.utils.UiUtils;
+import org.parceler.Parcels;
+
+import java.util.List;
+
+import me.grishka.appkit.Nav;
+import me.grishka.appkit.api.SimpleCallback;
+import me.grishka.appkit.utils.MergeRecyclerAdapter;
+import me.grishka.appkit.utils.SingleViewRecyclerAdapter;
+import me.grishka.appkit.utils.V;
+
+//TODO: replace this implementation when upstream implements their own design
+public class DiscoverTrendingLinkTimelineFragment extends StatusListFragment{
+	private Card trendingLink;
+	private TextView headerTitle, headerSubtitle;
+	private Button openLinkButton;
+	private boolean toolbarContentVisible;
+
+	private Menu optionsMenu;
+	private MenuInflater optionsMenuInflater;
+
+	@Override
+	protected boolean wantsComposeButton() {
+		return true;
+	}
+
+	@Override
+	public void onAttach(Activity activity){
+		super.onAttach(activity);
+		trendingLink=Parcels.unwrap(getArguments().getParcelable("trendingLink"));
+		setTitle(trendingLink.title);
+		setHasOptionsMenu(true);
+	}
+
+
+	@Override
+	protected void doLoadData(int offset, int count){
+		currentRequest=new GetTrendingLinksTimeline(trendingLink.url, getMaxID(), null, count)
+				.setCallback(new SimpleCallback<>(this){
+					@Override
+					public void onSuccess(List<Status> result){
+						if(getActivity()==null) return;
+						boolean more=applyMaxID(result);
+						AccountSessionManager.get(accountID).filterStatuses(result, getFilterContext());
+						onDataLoaded(result, more);
+					}
+				})
+				.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);
+
+		if(getParentFragment() instanceof HomeTabFragment) return;
+
+		list.addOnScrollListener(new RecyclerView.OnScrollListener(){
+			@Override
+			public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy){
+				View topChild=recyclerView.getChildAt(0);
+				int firstChildPos=recyclerView.getChildAdapterPosition(topChild);
+				float newAlpha=firstChildPos>0 ? 1f : Math.min(1f, -topChild.getTop()/(float)headerTitle.getHeight());
+				toolbarTitleView.setAlpha(newAlpha);
+				boolean newToolbarVisibility=newAlpha>0.5f;
+				if(newToolbarVisibility!=toolbarContentVisible){
+					toolbarContentVisible=newToolbarVisibility;
+					createOptionsMenu();
+				}
+			}
+		});
+	}
+
+
+	@Override
+	public boolean onFabLongClick(View v) {
+		return UiUtils.pickAccountForCompose(getActivity(), accountID, trendingLink.url);
+	}
+
+	@Override
+	public void onFabClick(View v){
+		Bundle args=new Bundle();
+		args.putString("account", accountID);
+		args.putString("prefilledText", trendingLink.url);
+		Nav.go(getActivity(), ComposeFragment.class, args);
+	}
+
+	@Override
+	protected void onSetFabBottomInset(int inset){
+		((ViewGroup.MarginLayoutParams) fab.getLayoutParams()).bottomMargin=V.dp(16)+inset;
+	}
+
+	@Override
+	protected FilterContext getFilterContext() {
+		return FilterContext.PUBLIC;
+	}
+
+	@Override
+	public Uri getWebUri(Uri.Builder base) {
+		//TODO: add URL link once web version implements a UI
+		return base.path("/explore/links").build();
+	}
+
+	@Override
+	protected RecyclerView.Adapter getAdapter(){
+		View header=getActivity().getLayoutInflater().inflate(R.layout.header_trending_link_timeline, list, false);
+		headerTitle=header.findViewById(R.id.title);
+		headerSubtitle=header.findViewById(R.id.subtitle);
+		openLinkButton=header.findViewById(R.id.profile_action_btn);
+
+		headerTitle.setText(trendingLink.title);
+		openLinkButton.setVisibility(View.GONE);
+		openLinkButton.setOnClickListener(v->{
+			if(trendingLink==null)
+				return;
+			openLink();
+		});
+		updateHeader();
+
+		MergeRecyclerAdapter mergeAdapter=new MergeRecyclerAdapter();
+		if(!(getParentFragment() instanceof HomeTabFragment)){
+			mergeAdapter.addAdapter(new SingleViewRecyclerAdapter(header));
+		}
+		mergeAdapter.addAdapter(super.getAdapter());
+		return mergeAdapter;
+	}
+
+	@Override
+	protected int getMainAdapterOffset(){
+		return 1;
+	}
+
+	private void createOptionsMenu(){
+		optionsMenu.clear();
+		optionsMenuInflater.inflate(R.menu.trending_links_timeline, optionsMenu);
+		MenuItem openLinkMenuItem=optionsMenu.findItem(R.id.open_link);
+		openLinkMenuItem.setVisible(toolbarContentVisible);
+	}
+
+	@Override
+	public void onCreateOptionsMenu(Menu menu, MenuInflater inflater){
+		inflater.inflate(R.menu.trending_links_timeline, menu);
+		super.onCreateOptionsMenu(menu, inflater);
+		optionsMenu=menu;
+		optionsMenuInflater=inflater;
+		createOptionsMenu();
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item){
+		if (super.onOptionsItemSelected(item)) return true;
+		if (item.getItemId() == R.id.open_link && trendingLink!=null) {
+			openLink();
+		}
+		return true;
+	}
+
+	@Override
+	protected void onUpdateToolbar(){
+		super.onUpdateToolbar();
+		toolbarTitleView.setAlpha(toolbarContentVisible ? 1f : 0f);
+		createOptionsMenu();
+	}
+
+	private void updateHeader(){
+		if(trendingLink==null || getActivity()==null)
+			return;
+		//TODO: update to show mastodon account once fully implemented upstream
+		headerSubtitle.setText(getContext().getString(R.string.article_by_author, TextUtils.isEmpty(trendingLink.authorName)? trendingLink.providerName : trendingLink.authorName));
+		openLinkButton.setVisibility(View.VISIBLE);
+	}
+
+	private void openLink() {
+		UiUtils.launchWebBrowser(getActivity(), trendingLink.url);
+	}
+}

mastodon/src/main/res/drawable/ic_fluent_document_one_page_24_filled.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M17.75,2.007a2.25,2.25 0,0 1,2.245 2.096l0.005,0.154v15.498A2.25,2.25 0,0 1,17.904 22l-0.154,0.005H6.25a2.25,2.25 0,0 1,-2.245 -2.096L4,19.755V4.257a2.25,2.25 0,0 1,2.096 -2.245l0.154,-0.005h11.5ZM7.75,7a0.75,0.75 0,1 0,0 1.5h8.5a0.75,0.75 0,0 0,0 -1.5h-8.5ZM7,11.75c0,0.414 0.336,0.75 0.75,0.75h8.5a0.75,0.75 0,0 0,0 -1.5h-8.5a0.75,0.75 0,0 0,-0.75 0.75ZM7.75,15a0.75,0.75 0,1 0,0 1.5h8.5a0.75,0.75 0,0 0,0 -1.5h-8.5Z"
+      android:fillColor="#212121"/>
+</vector>

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

@@ -0,0 +1,52 @@
+<?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="wrap_content"
+	android:paddingHorizontal="16dp"
+	android:paddingBottom="8dp">
+
+	<TextView
+		android:id="@+id/title"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_toStartOf="@id/button_wrap"
+		android:layout_marginEnd="8dp"
+		android:textAppearance="@style/m3_headline_small"
+		android:textColor="?colorM3OnSurface"
+		android:maxLines="3"
+		android:ellipsize="end"
+		android:minHeight="48dp"
+		android:gravity="center_vertical"
+		tools:text="Microsoft Chose Profit Over Security"/>
+
+	<FrameLayout
+		android:id="@+id/button_wrap"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_alignTop="@id/title"
+		android:layout_alignBottom="@id/title"
+		android:layout_alignParentEnd="true">
+
+		<Button
+			android:id="@+id/profile_action_btn"
+			android:layout_width="wrap_content"
+			android:layout_height="48dp"
+			android:layout_gravity="center"
+			style="@style/Widget.Mastodon.M3.Button.Filled"
+			android:paddingHorizontal="16dp"
+			android:text="@string/mo_trending_link_read"
+			tools:text="@string/mark_all_notifications_read" />
+	</FrameLayout>
+
+	<TextView
+		android:id="@+id/subtitle"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_below="@id/title"
+		android:layout_marginTop="4dp"
+		android:textAppearance="@style/m3_label_large"
+		android:textColor="?colorM3OnSurfaceVariant"
+		tools:text="@string/article_by_author"/>
+
+</RelativeLayout>

mastodon/src/main/res/menu/trending_links_timeline.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/open_link"
+        android:icon="@drawable/ic_fluent_document_one_page_24_filled"
+        android:showAsAction="always"
+        android:title="@string/mo_trending_link_read"/>
+</menu>

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

@@ -138,4 +138,5 @@
 	<string name="mo_error_display_title">Failed to display post</string>
 	<string name="mo_error_display_text">Something went wrong while loading this post. If the problem persists, please report it on our Issues page along with the error details.</string>
 	<string name="mo_error_display_copy_error_details">Copy details</string>
+	<string name="mo_trending_link_read">Read</string>
 </resources>