1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.camera.filmstrip; 18 19 import com.android.camera.widget.FilmstripLayout; 20 21 /** 22 * The filmstrip panel holding the filmstrip and other controls/widgets. 23 */ 24 public interface FilmstripContentPanel { 25 /** 26 * An listener interface extending {@link 27 * com.android.camera.filmstrip.FilmstripController.FilmstripListener} defining extra callbacks 28 * for filmstrip being shown and hidden. 29 */ 30 interface Listener extends FilmstripController.FilmstripListener { 31 32 /** 33 * Callback on a swipe out of filmstrip. 34 */ onSwipeOut()35 public void onSwipeOut(); 36 37 /** 38 * Callback on a swiping out begins. 39 */ onSwipeOutBegin()40 public void onSwipeOutBegin(); 41 42 /** 43 * Callback when the filmstrip becomes invisible or gone. 44 */ onFilmstripHidden()45 public void onFilmstripHidden(); 46 47 /** 48 * Callback when the filmstrip is shown in full-screen. 49 */ onFilmstripShown()50 public void onFilmstripShown(); 51 } 52 53 /** Sets the listener. */ setFilmstripListener(FilmstripLayout.Listener listener)54 void setFilmstripListener(FilmstripLayout.Listener listener); 55 56 /** 57 * Hides this panel with animation. 58 * 59 * @return {@code false} if already hidden. 60 */ animateHide()61 boolean animateHide(); 62 63 /** Hides this panel */ hide()64 void hide(); 65 66 /** Shows this panel */ show()67 void show(); 68 69 /** 70 * Called when the back key is pressed. 71 * 72 * @return Whether the UI responded to the key event. 73 */ onBackPressed()74 boolean onBackPressed(); 75 } 76