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.view.KeyEvent;
21 
22 /**
23  * Callbacks for cross-fragment keyboard navigation functionality.
24  */
25 public interface KeyboardNavigationController {
26     /**
27      * Intercept a key press from ConversationViewFragment.
28      * @param navigateAway custom param indicating if the controller should navigate away from
29      *   the conversation view.
30      * @return true if the event was handled by the controller, false otherwise.
31      */
onInterceptKeyFromCV(int keyCode, KeyEvent keyEvent, boolean navigateAway)32     public boolean onInterceptKeyFromCV(int keyCode, KeyEvent keyEvent, boolean navigateAway);
isTwoPaneLandscape()33     public boolean isTwoPaneLandscape();
34 }
35