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
18package com.android.mail.ui;
19
20import android.view.KeyEvent;
21
22/**
23 * Callbacks for cross-fragment keyboard navigation functionality.
24 */
25public 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     */
32    public boolean onInterceptKeyFromCV(int keyCode, KeyEvent keyEvent, boolean navigateAway);
33    public boolean isTwoPaneLandscape();
34}
35