implement marking articles as unread

do not notify server to catchup article if it isn't unread when
selecting

res/menu/main_menu.xml

@@ -47,6 +47,10 @@
           android:title="@string/toggle_marked" 
           android:showAsAction=""/>
 
+     <item android:id="@+id/set_unread"
+          android:title="@string/set_unread" 
+          android:showAsAction=""/>
+     
      <item android:id="@+id/toggle_published"
           android:icon="@drawable/ic_menu_rss"
           android:title="@string/toggle_published" 

res/values/strings.xml

@@ -47,4 +47,5 @@
     <string name="transport_debugging">Log sent and received data</string>
     <string name="toggle_marked">Toggle starred</string>
     <string name="toggle_published">Toggle published</string>
+    <string name="set_unread">Mark unread</string>
 </resources>

src/org/fox/ttrss/HeadlinesFragment.java

@@ -116,11 +116,13 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener {
 			Article article = (Article)list.getItemAtPosition(position);
 			m_articleSelectedListener.onArticleSelected(article);
 			
-			article.unread = false;
+			if (article.unread) {
+				article.unread = false;
+				m_articleOps.saveArticleUnread(article);
+			}
+
 			m_selectedArticleId = article.id;
 			m_adapter.notifyDataSetChanged();
-			
-			m_articleOps.saveArticleUnread(article);
 		}
 	}
 

src/org/fox/ttrss/MainActivity.java

@@ -58,7 +58,7 @@ public class MainActivity extends FragmentActivity implements FeedsFragment.OnFe
 				put("sid", m_sessionId);
 				put("op", "updateArticle");
 				put("article_ids", String.valueOf(article.id));
-				put("mode", "0");
+				put("mode", article.unread ? "1" : "0");
 				put("field", "2");
 			}			 
 		};
@@ -387,6 +387,13 @@ public class MainActivity extends FragmentActivity implements FeedsFragment.OnFe
 				updateHeadlines();
 			}
 			return true;
+		case R.id.set_unread:
+			if (m_selectedArticle != null) {
+				m_selectedArticle.unread = true;
+				saveArticleUnread(m_selectedArticle);
+				updateHeadlines();
+			}
+			return true;
 		case R.id.show_feeds:
 			setUnreadOnly(!getUnreadOnly());
 
@@ -460,6 +467,7 @@ public class MainActivity extends FragmentActivity implements FeedsFragment.OnFe
 					m_menu.findItem(R.id.share_article).setVisible(true);
 					m_menu.findItem(R.id.toggle_marked).setVisible(true);
 					m_menu.findItem(R.id.toggle_published).setVisible(true);
+					m_menu.findItem(R.id.set_unread).setVisible(true);
 					
 					m_menu.findItem(R.id.update_feeds).setVisible(false);
 					m_menu.findItem(R.id.show_feeds).setVisible(false);
@@ -468,6 +476,7 @@ public class MainActivity extends FragmentActivity implements FeedsFragment.OnFe
 					m_menu.findItem(R.id.share_article).setVisible(false);
 					m_menu.findItem(R.id.toggle_marked).setVisible(false);
 					m_menu.findItem(R.id.toggle_published).setVisible(false);
+					m_menu.findItem(R.id.set_unread).setVisible(false);
 					
 					if (!m_smallScreenMode || m_activeFeed == null) {
 						m_menu.findItem(R.id.show_feeds).setVisible(true);