Adding hook for additional options in the AllInOne menu.

A new 'extensions_src' folder was added to contain skeletons for extensions.

Bug:5920207
Change-Id: Icaa377688b7a56a17db34dc954b844b059f07c33

Android.mk

@@ -4,12 +4,13 @@ include $(CLEAR_VARS)
 # Include res dir from chips
 chips_dir := ../../../frameworks/ex/chips/res
 res_dirs := $(chips_dir) res
+src_dirs := src extensions_src
 
 LOCAL_EMMA_COVERAGE_FILTER := +com.android.calendar.*
 
 LOCAL_MODULE_TAGS := optional
 
-LOCAL_SRC_FILES := $(call all-java-files-under,src)
+LOCAL_SRC_FILES := $(call all-java-files-under,$(src_dirs))
 
 # bundled
 #LOCAL_STATIC_JAVA_LIBRARIES += \

extensions_src/com/android/calendar/extensions/AllInOneMenuExtensions.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.calendar.extensions;
+
+import android.content.Context;
+import android.view.Menu;
+import android.view.MenuItem;
+
+/*
+ * Skeleton for additional options in the AllInOne menu.
+ */
+public class AllInOneMenuExtensions {
+
+    /**
+     * Hook for adding additional options.
+     */
+    public Integer getExtensionMenuResource(Menu menu) {
+        return null;
+    }
+
+    /**
+     * Hook for handling selection of the additional options.
+     */
+    public boolean handleItemSelected(MenuItem item, Context context) {
+        return false;
+    }
+}

src/com/android/calendar/AllInOneActivity.java

@@ -76,6 +76,7 @@ import com.android.calendar.CalendarController.EventInfo;
 import com.android.calendar.CalendarController.EventType;
 import com.android.calendar.CalendarController.ViewType;
 import com.android.calendar.agenda.AgendaFragment;
+import com.android.calendar.extensions.AllInOneMenuExtensions;
 import com.android.calendar.month.MonthByWeekFragment;
 import com.android.calendar.selectcalendars.SelectVisibleCalendarsFragment;
 
@@ -167,6 +168,8 @@ public class AllInOneActivity extends Activity implements EventHandler,
     private LayoutParams mControlsParams;
     private LinearLayout.LayoutParams mVerticalControlsParams;
 
+    private AllInOneMenuExtensions mExtensions = new AllInOneMenuExtensions();
+
     private final AnimatorListener mSlideAnimationDoneListener = new AnimatorListener() {
 
         @Override
@@ -730,6 +733,12 @@ public class AllInOneActivity extends Activity implements EventHandler,
         mOptionsMenu = menu;
         getMenuInflater().inflate(R.menu.all_in_one_title_bar, menu);
 
+        // Add additional options (if any).
+        Integer extensionMenuRes = mExtensions.getExtensionMenuResource(menu);
+        if (extensionMenuRes != null) {
+            getMenuInflater().inflate(extensionMenuRes, menu);
+        }
+
         mSearchMenu = menu.findItem(R.id.action_search);
         mSearchView = (SearchView) mSearchMenu.getActionView();
         if (mSearchView != null) {
@@ -822,7 +831,7 @@ public class AllInOneActivity extends Activity implements EventHandler,
             case R.id.action_search:
                 return false;
             default:
-                return false;
+                return mExtensions.handleItemSelected(item, this);
         }
         mController.sendEvent(this, EventType.GO_TO, t, null, t, -1, viewType, extras, null, null);
         return true;