1 /* 2 * Copyright (C) 2015 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.tv.tuner.prefs; 18 19 import android.content.Context; 20 import android.content.SharedPreferences; 21 import com.android.tv.common.CommonConstants; 22 import com.android.tv.common.CommonPreferences; 23 import com.android.tv.common.SoftPreconditions; 24 25 /** A helper class for the tuner preferences. */ 26 public class TunerPreferences extends CommonPreferences { 27 private static final String TAG = "TunerPreferences"; 28 29 private static final String PREFS_KEY_CHANNEL_DATA_VERSION = "channel_data_version"; 30 private static final String PREFS_KEY_SCANNED_CHANNEL_COUNT = "scanned_channel_count"; 31 private static final String PREFS_KEY_SCAN_DONE = "scan_done"; 32 private static final String PREFS_KEY_TRICKPLAY_EXPIRED_MS = "trickplay_expired_ms"; 33 34 private static final String SHARED_PREFS_NAME = 35 CommonConstants.BASE_PACKAGE + ".tuner.preferences"; 36 37 public static final int CHANNEL_DATA_VERSION_NOT_SET = -1; 38 getSharedPreferences(Context context)39 protected static SharedPreferences getSharedPreferences(Context context) { 40 return context.getSharedPreferences(SHARED_PREFS_NAME, Context.MODE_PRIVATE); 41 } 42 getChannelDataVersion(Context context)43 public static synchronized int getChannelDataVersion(Context context) { 44 SoftPreconditions.checkState(sInitialized); 45 return getSharedPreferences(context) 46 .getInt( 47 TunerPreferences.PREFS_KEY_CHANNEL_DATA_VERSION, 48 CHANNEL_DATA_VERSION_NOT_SET); 49 } 50 setChannelDataVersion(Context context, int version)51 public static synchronized void setChannelDataVersion(Context context, int version) { 52 SoftPreconditions.checkState(sInitialized); 53 getSharedPreferences(context) 54 .edit() 55 .putInt(TunerPreferences.PREFS_KEY_CHANNEL_DATA_VERSION, version) 56 .apply(); 57 } 58 getScannedChannelCount(Context context)59 public static synchronized int getScannedChannelCount(Context context) { 60 SoftPreconditions.checkState(sInitialized); 61 return getSharedPreferences(context) 62 .getInt(TunerPreferences.PREFS_KEY_SCANNED_CHANNEL_COUNT, 0); 63 } 64 setScannedChannelCount(Context context, int channelCount)65 public static synchronized void setScannedChannelCount(Context context, int channelCount) { 66 SoftPreconditions.checkState(sInitialized); 67 getSharedPreferences(context) 68 .edit() 69 .putInt(TunerPreferences.PREFS_KEY_SCANNED_CHANNEL_COUNT, channelCount) 70 .apply(); 71 } 72 isScanDone(Context context)73 public static synchronized boolean isScanDone(Context context) { 74 SoftPreconditions.checkState(sInitialized); 75 return getSharedPreferences(context) 76 .getBoolean(TunerPreferences.PREFS_KEY_SCAN_DONE, false); 77 } 78 setScanDone(Context context)79 public static synchronized void setScanDone(Context context) { 80 SoftPreconditions.checkState(sInitialized); 81 getSharedPreferences(context) 82 .edit() 83 .putBoolean(TunerPreferences.PREFS_KEY_SCAN_DONE, true) 84 .apply(); 85 } 86 getTrickplayExpiredMs(Context context)87 public static synchronized long getTrickplayExpiredMs(Context context) { 88 SoftPreconditions.checkState(sInitialized); 89 return getSharedPreferences(context) 90 .getLong(TunerPreferences.PREFS_KEY_TRICKPLAY_EXPIRED_MS, 0); 91 } 92 setTrickplayExpiredMs(Context context, long timeMs)93 public static synchronized void setTrickplayExpiredMs(Context context, long timeMs) { 94 SoftPreconditions.checkState(sInitialized); 95 getSharedPreferences(context) 96 .edit() 97 .putLong(TunerPreferences.PREFS_KEY_TRICKPLAY_EXPIRED_MS, timeMs) 98 .apply(); 99 } 100 } 101