Action menu for multireddits

Author: mrboisvert

src/main/java/org/quantumbadger/redreader/adapters/MainMenuListingManager.java

@@ -51,6 +51,7 @@
 import org.quantumbadger.redreader.fragments.MainMenuFragment;
 import org.quantumbadger.redreader.receivers.announcements.Announcement;
 import org.quantumbadger.redreader.receivers.announcements.AnnouncementDownloader;
+import org.quantumbadger.redreader.reddit.api.RedditAPIMultiredditAction;
 import org.quantumbadger.redreader.reddit.api.RedditSubredditSubscriptionManager;
 import org.quantumbadger.redreader.reddit.api.SubredditSubscriptionState;
 import org.quantumbadger.redreader.reddit.things.SubredditCanonicalId;
@@ -951,13 +952,18 @@ private GroupedRecyclerViewItemListItemView makeMultiredditItem(
 		final View.OnClickListener clickListener = view -> mListener.onSelected(
 				(PostListingURL)MultiredditPostListURL.getMultireddit(name));
 
+		final View.OnLongClickListener longClickListener = view -> {
+			RedditAPIMultiredditAction.showActionMenu(mActivity, name);
+			return true;
+		};
+
 		return new GroupedRecyclerViewItemListItemView(
 				null,
 				name,
 				ScreenreaderPronunciation.getPronunciation(mContext, name),
 				hideDivider,
 				clickListener,
-				null,
+				longClickListener,
 				Optional.empty(),
 				Optional.empty(),
 				Optional.empty());

src/main/java/org/quantumbadger/redreader/fragments/PostListingFragment.java

@@ -74,6 +74,7 @@
 import org.quantumbadger.redreader.reddit.PostSort;
 import org.quantumbadger.redreader.reddit.RedditPostListItem;
 import org.quantumbadger.redreader.reddit.RedditSubredditManager;
+import org.quantumbadger.redreader.reddit.api.RedditAPIMultiredditAction;
 import org.quantumbadger.redreader.reddit.api.RedditSubredditSubscriptionManager;
 import org.quantumbadger.redreader.reddit.kthings.JsonUtils;
 import org.quantumbadger.redreader.reddit.kthings.MaybeParseError;
@@ -275,11 +276,18 @@ public void onScrolled(
 				break;
 
 			case RedditURLParser.USER_POST_LISTING_URL:
-			case RedditURLParser.MULTIREDDIT_POST_LISTING_URL:
 				setHeader(
+					mPostListingURL.humanReadableName(getActivity(), true),
+					mPostListingURL.humanReadableUrl(),
+					null);
+				CacheManager.getInstance(context).makeRequest(mRequest);
+				break;
+
+			case RedditURLParser.MULTIREDDIT_POST_LISTING_URL:
+				setMultiredditHeader(
 						mPostListingURL.humanReadableName(getActivity(), true),
 						mPostListingURL.humanReadableUrl(),
-						null);
+						mPostListingURL.asMultiredditPostListURL().name);
 				CacheManager.getInstance(context).makeRequest(mRequest);
 				break;
 
@@ -464,6 +472,28 @@ private void onSubredditReceived() {
 
 	}
 
+	private void setMultiredditHeader(
+			@NonNull final String title,
+			@NonNull final String subtitle,
+			@NonNull final String multiredditName) {
+
+		final PostListingHeader postListingHeader = new PostListingHeader(
+				getActivity(),
+				title,
+				subtitle,
+				mPostListingURL,
+				null);
+
+		setHeader(postListingHeader);
+
+		postListingHeader.setOnLongClickListener(view -> {
+			RedditAPIMultiredditAction.showActionMenu(
+					getActivity(),
+					multiredditName);
+			return true;
+		});
+	}
+
 	private void setHeader(
 			@NonNull final String title,
 			@NonNull final String subtitle,

src/main/java/org/quantumbadger/redreader/reddit/api/RedditAPIMultiredditAction.java

@@ -0,0 +1,92 @@
+/*******************************************************************************
+ * This file is part of RedReader.
+ *
+ * RedReader is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * RedReader is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with RedReader.  If not, see <http://www.gnu.org/licenses/>.
+ ******************************************************************************/
+
+package org.quantumbadger.redreader.reddit.api;
+
+import android.content.Context;
+
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
+import org.quantumbadger.redreader.account.RedditAccount;
+import org.quantumbadger.redreader.account.RedditAccountManager;
+
+import java.util.ArrayList;
+
+public class RedditAPIMultiredditAction {
+
+	public enum MultiredditAction {
+	}
+
+	private static class RCVMenuItem {
+		public final String title;
+		public final MultiredditAction action;
+
+		private RCVMenuItem(
+				final Context context,
+				final int titleRes,
+				final MultiredditAction action) {
+
+			this.title = context.getString(titleRes);
+			this.action = action;
+		}
+	}
+
+	public static void showActionMenu(
+			final AppCompatActivity activity,
+			final String multiredditName) {
+
+		final RedditAccount user =
+				RedditAccountManager.getInstance(activity).getDefaultAccount();
+
+		if (user.isAnonymous()) {
+			return;
+		}
+
+		final ArrayList<RCVMenuItem> menu = new ArrayList<>();
+
+		final String[] menuText = new String[menu.size()];
+
+		for(int i = 0; i < menuText.length; i++) {
+			menuText[i] = menu.get(i).title;
+		}
+
+		final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(activity);
+
+		builder.setItems(menuText, (dialog, which) -> onActionMenuItemSelected(
+				activity,
+				multiredditName,
+				user,
+				menu.get(which).action));
+
+		final AlertDialog alert = builder.create();
+		alert.setCanceledOnTouchOutside(true);
+		alert.show();
+	}
+
+	private static void onActionMenuItemSelected(
+			final AppCompatActivity activity,
+			final String subredditNames,
+			final RedditAccount user,
+			final MultiredditAction action) {
+
+		switch(action) {
+		}
+	}
+}