implement actionbar search for HC/ICS devices

res/menu/main_menu.xml

@@ -4,11 +4,13 @@
 
         <group android:id="@+id/menu_group_feeds" >
 
-            <!-- <item
+            <!--
+                 <item
                 android:id="@+id/back_to_categories"
                 android:icon="@android:drawable/ic_menu_close_clear_cancel"
                 android:showAsAction=""
-                android:title="@string/back_to_categories"/> -->
+                android:title="@string/back_to_categories"/>
+            -->
 
             <item
                 android:id="@+id/show_feeds"
@@ -42,6 +44,13 @@
                 android:icon="@drawable/ic_menu_cloud"
                 android:title="@string/go_offline"/>
 
+            <item
+                android:id="@+id/search"
+                android:actionViewClass="android.widget.SearchView"
+                android:icon="@android:drawable/ic_menu_search"
+                android:showAsAction="ifRoom"
+                android:title="@string/search"/>
+
             <item
                 android:id="@+id/headlines_mark_as_read"
                 android:icon="@drawable/ic_menu_tick"
@@ -117,7 +126,6 @@
                 android:id="@+id/set_labels"
                 android:icon="@drawable/ic_menu_marked"
                 android:title="@string/article_set_labels"/>
-            
         </group>
     </group>
 

res/values/strings.xml

@@ -115,4 +115,5 @@
 	<string name="offline_image_cache_enabled_summary">Download images to sdcard. This might significantly increase time it takes to go offline.</string>
 	<string name="notify_downloading_images">Downloading images (%1$d)...</string>
 	<string name="article_set_labels">Set labels</string>
+	<string name="search">Search</string>
 </resources>

src/org/fox/ttrss/HeadlinesFragment.java

@@ -58,6 +58,7 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
 	private boolean m_refreshInProgress = false;
 	private boolean m_canLoadMore = false;
 	private boolean m_combinedMode = true;
+	private String m_searchQuery = "";
 	
 	private SharedPreferences m_prefs;
 	
@@ -110,6 +111,7 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
 			m_selectedArticles = savedInstanceState.getParcelable("selectedArticles");
 			m_canLoadMore = savedInstanceState.getBoolean("canLoadMore");			
 			m_combinedMode = savedInstanceState.getBoolean("combinedMode");
+			m_searchQuery = savedInstanceState.getString("searchQuery", "");
 		}
 
 		View view = inflater.inflate(R.layout.headlines_fragment, container, false);
@@ -201,6 +203,12 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
 				put("skip", String.valueOf(fskip));
 				
 				if (isCat) put("is_cat", "true");
+				
+				if (m_searchQuery.length() != 0) {
+					put("search", m_searchQuery);
+					put("search_mode", "");
+					put("match_on", "both");
+				}
 			}			 
 		};
 
@@ -217,6 +225,7 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
 		out.putParcelable("selectedArticles", m_selectedArticles);
 		out.putBoolean("canLoadMore", m_canLoadMore);
 		out.putBoolean("combinedMode", m_combinedMode);
+		out.putString("searchQuery", m_searchQuery);
 	}
 
 	public void setLoadingStatus(int status, boolean showProgress) {
@@ -562,5 +571,12 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
 		return m_adapter.getPosition(article);
 	}
 
+	public void setSearchQuery(String query) {
+		if (!m_searchQuery.equals(query)) {
+			m_searchQuery = query;
+			refresh(false);
+		}
+	}
+
 	
 }

src/org/fox/ttrss/MainActivity.java

@@ -31,6 +31,7 @@ import android.preference.PreferenceManager;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.app.FragmentTransaction;
+import android.support.v4.widget.SearchViewCompat;
 import android.util.Log;
 import android.view.ActionMode;
 import android.view.Display;
@@ -43,6 +44,7 @@ import android.view.ViewGroup;
 import android.view.animation.AnimationUtils;
 import android.widget.AdapterView.AdapterContextMenuInfo;
 import android.widget.LinearLayout;
+import android.widget.SearchView;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -1201,8 +1203,52 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 					
 				} else if (m_selectedArticle != null) {
 					m_menu.setGroupVisible(R.id.menu_group_article, true);
-				} else if (m_activeFeed != null || m_activeCategory != null) {
+				} else if (m_activeFeed != null) {
 					m_menu.setGroupVisible(R.id.menu_group_headlines, true);
+					
+					MenuItem search = m_menu.findItem(R.id.search);
+					
+					if (search != null && !m_compatMode) {
+						SearchView searchView = (SearchView) search.getActionView();
+						searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
+							private String query = "";
+							
+							@Override
+							public boolean onQueryTextSubmit(String query) {
+								Log.d(TAG, "Search/onQueryTextSubmit");
+								
+								HeadlinesFragment frag = (HeadlinesFragment) getSupportFragmentManager()
+										.findFragmentById(R.id.headlines_fragment);
+								
+								if (frag != null) {
+									frag.setSearchQuery(query);
+									this.query = query;
+								}
+								
+								return false;
+							}
+							
+							@Override
+							public boolean onQueryTextChange(String newText) {
+								// TODO Auto-generated method stub
+								
+								Log.d(TAG, "Search/onQueryTextChange: " + newText);
+								
+								if (newText.equals("") && !newText.equals(this.query)) {
+									HeadlinesFragment frag = (HeadlinesFragment) getSupportFragmentManager()
+											.findFragmentById(R.id.headlines_fragment);
+									
+									if (frag != null) {
+										frag.setSearchQuery(newText);
+										this.query = newText;
+									}
+								}
+								
+								return false;
+							}
+						});
+					}
+					
 				} else {
 					m_menu.setGroupVisible(R.id.menu_group_feeds, true);
 				}
@@ -1422,6 +1468,14 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 		}
 
 		if (!append) {
+			
+			MenuItem search = m_menu.findItem(R.id.search);
+			
+			if (search != null && !m_compatMode) {
+				SearchView sv = (SearchView) search.getActionView();
+				sv.setQuery("", false);				
+			}
+			
 			HeadlinesFragment hf = new HeadlinesFragment();
 
 			FragmentTransaction ft = getSupportFragmentManager()