implement contextual selection bar for HC articles

2 files changed, 102 insertions, 10 deletions

diff --git a/src/org/fox/ttrss/MainActivity.java b/src/org/fox/ttrss/MainActivity.java
index 4daab3da..38cf4098 100644
--- a/src/org/fox/ttrss/MainActivity.java
+++ b/src/org/fox/ttrss/MainActivity.java
@@ -5,6 +5,9 @@ import java.util.List;
 import java.util.Timer;
 import java.util.TimerTask;
 
+import javax.crypto.spec.DESedeKeySpec;
+
+import android.app.ActionBar;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.BroadcastReceiver;
@@ -23,6 +26,7 @@ import android.preference.PreferenceManager;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.app.FragmentTransaction;
 import android.util.Log;
+import android.view.ActionMode;
 import android.view.Display;
 import android.view.KeyEvent;
 import android.view.Menu;
@@ -63,6 +67,36 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 	private SQLiteDatabase m_readableDb;
 	private SQLiteDatabase m_writableDb;
 
+	private ActionMode m_headlinesActionMode;
+	private ActionMode.Callback m_headlinesActionModeCallback = new ActionMode.Callback() {
+		
+		@Override
+		public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+			return false;
+		}
+		
+		@Override
+		public void onDestroyActionMode(ActionMode mode) {
+			deselectAllArticles();
+			m_headlinesActionMode = null;
+		}
+		
+		@Override
+		public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+			
+			 MenuInflater inflater = getMenuInflater();
+	            inflater.inflate(R.menu.headlines_action_menu, menu);
+			
+			return true;
+		}
+		
+		@Override
+		public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+			onOptionsItemSelected(item);
+			return false;
+		}
+	};
+	
 	private BroadcastReceiver m_broadcastReceiver = new BroadcastReceiver() {
 
 		@Override
@@ -771,7 +805,22 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 		initMainMenu();
 		refreshCategories();
 	}
+	
+	private void deselectAllArticles() {
+		HeadlinesFragment hf = (HeadlinesFragment) getSupportFragmentManager()
+									.findFragmentById(R.id.headlines_fragment);
 
+		if (hf != null) {
+			ArticleList selected = hf.getSelectedArticles();
+			if (selected.size() > 0) {
+				selected.clear();
+				initMainMenu();
+				hf.notifyUpdated();
+			}
+		}
+	}
+	
+	
 	@SuppressWarnings("unchecked")
 	@Override
 	public boolean onOptionsItemSelected(MenuItem item) {
@@ -877,14 +926,7 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 			}
 			return true;
 		case R.id.selection_select_none:
-			if (hf != null) {
-				ArticleList selected = hf.getSelectedArticles();
-				if (selected.size() > 0) {
-					selected.clear();
-					initMainMenu();
-					hf.notifyUpdated();
-				}
-			}
+			deselectAllArticles();
 			return true;
 		case R.id.selection_toggle_unread:
 			if (hf != null) {
@@ -1053,7 +1095,13 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 					numSelected = hf.getSelectedArticles().size();
 
 				if (numSelected != 0) {
-					m_menu.setGroupVisible(R.id.menu_group_headlines_selection, true);
+					if (m_compatMode) {
+						m_menu.setGroupVisible(R.id.menu_group_headlines_selection, true);
+					} else {
+						if (m_headlinesActionMode == null)
+							m_headlinesActionMode = startActionMode(m_headlinesActionModeCallback);
+					}
+					
 				} else if (m_selectedArticle != null) {
 					m_menu.setGroupVisible(R.id.menu_group_article, true);
 				} else if (m_activeFeed != null || m_activeCategory != null) {
@@ -1062,6 +1110,10 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 					m_menu.setGroupVisible(R.id.menu_group_feeds, true);
 				}
 
+				if (numSelected == 0 && m_headlinesActionMode != null) {
+					m_headlinesActionMode.finish();
+				}
+
 			} else {
 				m_menu.setGroupVisible(R.id.menu_group_logged_in, false);
 				m_menu.setGroupVisible(R.id.menu_group_logged_out, true);
diff --git a/src/org/fox/ttrss/OfflineActivity.java b/src/org/fox/ttrss/OfflineActivity.java
index 51cdf911..58e84fbd 100644
--- a/src/org/fox/ttrss/OfflineActivity.java
+++ b/src/org/fox/ttrss/OfflineActivity.java
@@ -17,6 +17,7 @@ import android.provider.BaseColumns;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.app.FragmentTransaction;
 import android.util.Log;
+import android.view.ActionMode;
 import android.view.Display;
 import android.view.KeyEvent;
 import android.view.Menu;
@@ -52,6 +53,36 @@ public class OfflineActivity extends FragmentActivity implements
 		return m_smallScreenMode;
 	}
 
+	private ActionMode m_headlinesActionMode;
+	private ActionMode.Callback m_headlinesActionModeCallback = new ActionMode.Callback() {
+		
+		@Override
+		public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+			return false;
+		}
+		
+		@Override
+		public void onDestroyActionMode(ActionMode mode) {
+			deselectAllArticles();
+			m_headlinesActionMode = null;
+		}
+		
+		@Override
+		public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+			
+			 MenuInflater inflater = getMenuInflater();
+	            inflater.inflate(R.menu.headlines_action_menu, menu);
+			
+			return true;
+		}
+		
+		@Override
+		public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+			onOptionsItemSelected(item);
+			return false;
+		}
+	};
+	
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
 		initDatabase();
@@ -622,7 +653,12 @@ public class OfflineActivity extends FragmentActivity implements
 			m_menu.setGroupVisible(R.id.menu_group_article, false);
 			
 			if (numSelected != 0) {
-				m_menu.setGroupVisible(R.id.menu_group_headlines_selection, true);
+				if (m_compatMode) {
+					m_menu.setGroupVisible(R.id.menu_group_headlines_selection, true);
+				} else {
+					if (m_headlinesActionMode == null)
+						m_headlinesActionMode = startActionMode(m_headlinesActionModeCallback);
+				}
 			} else if (m_selectedArticleId != 0) {
 				m_menu.setGroupVisible(R.id.menu_group_article, true);
 			} else if (m_activeFeedId != 0 /*|| m_activeCategory != null */) {
@@ -630,6 +666,10 @@ public class OfflineActivity extends FragmentActivity implements
 			} else {
 				m_menu.setGroupVisible(R.id.menu_group_feeds, true);
 			}
+			
+			if (numSelected == 0 && m_headlinesActionMode != null) {
+				m_headlinesActionMode.finish();
+			}
 		}
 	}