1 /* 2 * Copyright (C) 2014 Google Inc. 3 * Licensed to The Android Open Source Project. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.mail.ui; 19 20 import android.support.v4.widget.DrawerLayout; 21 22 /** 23 * Drawer-related functionality. 24 */ 25 public interface DrawerController { 26 27 boolean isDrawerEnabled(); 28 void registerDrawerListener(DrawerLayout.DrawerListener l); 29 void unregisterDrawerListener(DrawerLayout.DrawerListener l); 30 boolean isDrawerOpen(); 31 boolean isDrawerVisible(); 32 void toggleDrawerState(); 33 34 } 35
