Ability to mark individual messages as read in the inbox

src/main/java/org/quantumbadger/redreader/common/PrefsUtility.java

@@ -117,6 +117,8 @@ public static boolean isRefreshRequired(final Context context, final String key)
 				|| key.equals(context.getString(R.string.pref_behaviour_pinned_subredditsort_key))
 				|| key.equals(context.getString(
 						R.string.pref_behaviour_blocked_subredditsort_key))
+				|| key.equals(context.getString(
+				R.string.pref_behaviour_inbox_tapping_is_reading_key))
 				|| key.equals(context.getString(
 						R.string.pref_appearance_hide_headertoolbar_commentlist_key))
 				|| key.equals(context.getString(
@@ -887,6 +889,12 @@ public static boolean pref_behaviour_post_title_opens_comments() {
 				false);
 	}
 
+	public static boolean pref_behaviour_inbox_tapping_is_reading() {
+		return getBoolean(
+				R.string.pref_behaviour_inbox_tapping_is_reading_key,
+				false);
+	}
+
 	// pref_behaviour_imageview_mode
 
 	public enum ImageViewMode {

src/main/java/org/quantumbadger/redreader/reddit/RedditAPI.java

@@ -487,6 +487,41 @@ public void onDataStreamComplete(
 				}));
 	}
 
+	public static void markMessageAsRead(
+			final CacheManager cm,
+			final APIResponseHandler.ActionResponseHandler responseHandler,
+			final RedditAccount user,
+			final String messageId,
+			final Context context) {
+
+		final LinkedList<PostField> postFields = new LinkedList<>();
+
+		postFields.add(new PostField("id", messageId));
+
+		cm.makeRequest(createPostRequestUnprocessedResponse(
+				Constants.Reddit.getUri("/api/read_message"),
+				user,
+				postFields,
+				context,
+				new CacheRequestCallbacks() {
+					@Override
+					public void onFailure(@NonNull final RRError error) {
+						responseHandler.notifyFailure(error);
+					}
+
+					@Override
+					public void onDataStreamComplete(
+							@NonNull final GenericFactory<SeekableInputStream, IOException> stream,
+							final TimestampUTC timestamp,
+							@NonNull final UUID session,
+							final boolean fromCache,
+							@Nullable final String mimetype) {
+
+						responseHandler.notifySuccess();
+					}
+				}));
+	}
+
 	public static void editComment(
 			final CacheManager cm,
 			final APIResponseHandler.ActionResponseHandler responseHandler,

src/main/java/org/quantumbadger/redreader/views/RedditInboxItemView.java

@@ -24,12 +24,22 @@
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
+
+import org.quantumbadger.redreader.account.RedditAccountManager;
 import org.quantumbadger.redreader.activities.BaseActivity;
+import org.quantumbadger.redreader.activities.BugReportActivity;
+import org.quantumbadger.redreader.cache.CacheManager;
 import org.quantumbadger.redreader.common.General;
 import org.quantumbadger.redreader.common.Optional;
 import org.quantumbadger.redreader.common.PrefsUtility;
+import org.quantumbadger.redreader.common.RRError;
 import org.quantumbadger.redreader.common.RRThemeAttributes;
+import org.quantumbadger.redreader.reddit.APIResponseHandler;
+import org.quantumbadger.redreader.reddit.RedditAPI;
 import org.quantumbadger.redreader.reddit.prepared.RedditChangeDataManager;
+import org.quantumbadger.redreader.reddit.prepared.RedditPreparedMessage;
+import org.quantumbadger.redreader.reddit.prepared.RedditRenderableComment;
 import org.quantumbadger.redreader.reddit.prepared.RedditRenderableInboxItem;
 
 public class RedditInboxItemView extends LinearLayout {
@@ -140,6 +150,43 @@ public void reset(
 	public void handleInboxClick(final BaseActivity activity) {
 		if(currentItem != null) {
 			currentItem.handleInboxClick(activity);
+
+			//Mark clicked msg as read
+			if (PrefsUtility.pref_behaviour_inbox_tapping_is_reading()) {
+				final String messageID;
+				//Two different types of inbox messages
+				if (currentItem instanceof RedditRenderableComment){
+					final RedditRenderableComment comment = ((RedditRenderableComment) currentItem);
+					messageID = String.valueOf(comment.getIdAndType());
+				} else if (currentItem instanceof RedditPreparedMessage){
+					final RedditPreparedMessage message = ((RedditPreparedMessage) currentItem);
+					messageID = String.valueOf(message.idAndType);
+				} else {
+					return;
+				}
+				RedditAPI.markMessageAsRead(
+						CacheManager.getInstance(activity),
+						new APIResponseHandler.ActionResponseHandler(activity) {
+							@Override
+							protected void onSuccess() {
+								// Do nothing (result expected)
+							}
+
+							@Override
+							protected void onFailure(@NonNull final RRError error) {
+								General.showResultDialog(activity, error);
+							}
+
+							@Override
+							protected void onCallbackException(final Throwable t) {
+								BugReportActivity.handleGlobalError(activity, t);
+							}
+						},
+						RedditAccountManager.getInstance(activity).getDefaultAccount(),
+						messageID,
+						activity
+				);
+			}
 		}
 	}
 

src/main/res/values/strings.xml

@@ -1902,4 +1902,9 @@
 	<string name="album_grid_pref_horizontal_padding">Horizontal padding</string>
 
 	<string name="album_pref_compact_title">Compact title</string>
+
+	<!-- 2024-09-06 -->
+	<string name="pref_behaviour_inbox_header">Inbox</string>
+	<string name="pref_behaviour_inbox_tapping_is_reading_key" translatable="false">pref_behaviour_inbox_tapping_is_reading</string>
+	<string name="pref_behaviour_inbox_tapping_is_reading_title">Tapping a message marks it as read</string>
 </resources>

src/main/res/xml/prefs_behaviour.xml

@@ -200,6 +200,14 @@
 
     </PreferenceCategory>
 
+	<PreferenceCategory android:title="@string/pref_behaviour_inbox_header">
+
+		<CheckBoxPreference android:title="@string/pref_behaviour_inbox_tapping_is_reading_title"
+				android:key="@string/pref_behaviour_inbox_tapping_is_reading_key"
+				android:defaultValue="false"/>
+
+	</PreferenceCategory>
+
 	<PreferenceCategory android:title="@string/pref_behaviour_sharing_header">
 
 		<ListPreference android:title="@string/pref_behaviour_sharing_domain_title"