1 /******************************************************************************* 2 * Copyright (C) 2012 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 /** 21 * A listener interested in specific layout changes. This is only useful for a layout that can show 22 * both conversation lists and conversations at the same time. For example, tablets can do this, but 23 * not most phones. 24 */ 25 public interface LayoutListener { 26 /** 27 * Called when the conversation list changes its visibility. 28 * @param visible True if the conversation list is now visible. False otherwise 29 */ 30 void onConversationListVisibilityChanged(boolean visible); 31 32 /** 33 * Called when the conversation view changes its visibility. 34 * @param visible True if the conversation list is now visible. False otherwise 35 */ 36 void onConversationVisibilityChanged(boolean visible); 37 } 38
