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