1 /* 2 * Copyright (C) 2012 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.gallery3d.ui; 18 19 import android.app.Activity; 20 import android.content.Context; 21 import android.os.PowerManager; 22 23 import com.android.gallery3d.app.AbstractGalleryActivity; 24 25 public class WakeLockHoldingProgressListener implements MenuExecutor.ProgressListener { 26 static private final String DEFAULT_WAKE_LOCK_LABEL = "Gallery Progress Listener"; 27 private AbstractGalleryActivity mActivity; 28 private PowerManager.WakeLock mWakeLock; 29 30 public WakeLockHoldingProgressListener(AbstractGalleryActivity galleryActivity) { 31 this(galleryActivity, DEFAULT_WAKE_LOCK_LABEL); 32 } 33 34 public WakeLockHoldingProgressListener(AbstractGalleryActivity galleryActivity, String label) { 35 mActivity = galleryActivity; 36 PowerManager pm = 37 (PowerManager) ((Activity) mActivity).getSystemService(Context.POWER_SERVICE); 38 mWakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, label); 39 } 40 41 @Override 42 public void onProgressComplete(int result) { 43 mWakeLock.release(); 44 } 45 46 @Override 47 public void onProgressStart() { 48 mWakeLock.acquire(); 49 } 50 51 protected AbstractGalleryActivity getActivity() { 52 return mActivity; 53 } 54 55 @Override 56 public void onProgressUpdate(int index) { 57 } 58 59 @Override 60 public void onConfirmDialogDismissed(boolean confirmed) { 61 } 62 63 @Override 64 public void onConfirmDialogShown() { 65 } 66 } 67
