1 /* 2 * Copyright (C) 2010 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 android.drm; 18 19 /** 20 * Defines constants that are used by the DRM framework. 21 * 22 */ 23 public class DrmStore { 24 /** 25 * Interface definition for the columns that represent DRM constraints. 26 * {@link android.drm.DrmManagerClient#getConstraints DrmManagerClient.getConstraints()} 27 * can be called by an application to find out the contraints on the 28 * {@link android.drm.DrmStore.Action actions} that can be performed 29 * on right-protected content. The constants defined in this interface 30 * represent three most common types of constraints: count-based, 31 * date-based, and duration-based. Two or more constraints can be used 32 * at the same time to represent more sophisticated constraints. 33 * In addition, user-defined constraint, 34 * {@link #EXTENDED_METADATA extended metadata}, can be 35 * used if these three types of constraints are not sufficient. 36 */ 37 public interface ConstraintsColumns { 38 /** 39 * This is a count-based constraint. It represents the maximum 40 * repeat count that can be performed on an 41 * {@link android.drm.DrmStore.Action action}. 42 * <p> 43 * Type: INTEGER 44 */ 45 public static final String MAX_REPEAT_COUNT = "max_repeat_count"; 46 47 /** 48 * This is a count-based constraint. It represents the remaining 49 * repeat count that can be performed on an 50 * {@link android.drm.DrmStore.Action action}. 51 * <p> 52 * Type: INTEGER 53 */ 54 public static final String REMAINING_REPEAT_COUNT = "remaining_repeat_count"; 55 56 /** 57 * This is a date-based constraint. It represents the time before which 58 * an {@link android.drm.DrmStore.Action action} can be performed on 59 * the rights-protected content. 60 * <p> 61 * Type: TEXT 62 */ 63 public static final String LICENSE_START_TIME = "license_start_time"; 64 65 /** 66 * This is a date-based constaint. It represents the time after which 67 * an {@link android.drm.DrmStore.Action action} can not be performed on 68 * the rights-protected content. 69 * <p> 70 * Type: TEXT 71 */ 72 public static final String LICENSE_EXPIRY_TIME = "license_expiry_time"; 73 74 /** 75 * This is a duration-based constaint. It represents the available time left 76 * before the license expires. 77 * <p> 78 * Type: TEXT 79 */ 80 public static final String LICENSE_AVAILABLE_TIME = "license_available_time"; 81 82 /** 83 * This is a user-defined constraint. It represents the additional constraint 84 * using extended metadata. 85 * <p> 86 * Type: TEXT 87 */ 88 public static final String EXTENDED_METADATA = "extended_metadata"; 89 } 90 91 /** 92 * Defines DRM object types. 93 */ 94 public static class DrmObjectType { 95 /** 96 * An unknown object type. 97 */ 98 public static final int UNKNOWN = 0x00; 99 /** 100 * A rights-protected file object type. 101 */ 102 public static final int CONTENT = 0x01; 103 /** 104 * A rights information object type. 105 */ 106 public static final int RIGHTS_OBJECT = 0x02; 107 /** 108 * A trigger information object type. 109 */ 110 public static final int TRIGGER_OBJECT = 0x03; 111 112 /** 113 * @deprecated This class should have been an interface instead. 114 * The default constuctor should have not been exposed. 115 */ 116 public DrmObjectType() {} 117 } 118 119 /** 120 * Defines playback states for content. 121 */ 122 public static class Playback { 123 /** 124 * Playback started. 125 */ 126 public static final int START = 0x00; 127 /** 128 * Playback stopped. 129 */ 130 public static final int STOP = 0x01; 131 /** 132 * Playback paused. 133 */ 134 public static final int PAUSE = 0x02; 135 /** 136 * Playback resumed. 137 */ 138 public static final int RESUME = 0x03; 139 140 /* package */ static boolean isValid(int playbackStatus) { 141 boolean isValid = false; 142 143 switch (playbackStatus) { 144 case START: 145 case STOP: 146 case PAUSE: 147 case RESUME: 148 isValid = true; 149 } 150 return isValid; 151 } 152 153 /** 154 * @deprecated This class should have been an interface instead. 155 * The default constuctor should have not been exposed. 156 */ 157 public Playback() {} 158 } 159 160 /** 161 * Defines actions that can be performed on rights-protected content. 162 */ 163 public static class Action { 164 /** 165 * The default action. 166 */ 167 public static final int DEFAULT = 0x00; 168 /** 169 * The rights-protected content can be played. 170 */ 171 public static final int PLAY = 0x01; 172 /** 173 * The rights-protected content can be set as a ringtone. 174 */ 175 public static final int RINGTONE = 0x02; 176 /** 177 * The rights-protected content can be transferred. 178 */ 179 public static final int TRANSFER = 0x03; 180 /** 181 * The rights-protected content can be set as output. 182 */ 183 public static final int OUTPUT = 0x04; 184 /** 185 * The rights-protected content can be previewed. 186 */ 187 public static final int PREVIEW = 0x05; 188 /** 189 * The rights-protected content can be executed. 190 */ 191 public static final int EXECUTE = 0x06; 192 /** 193 * The rights-protected content can be displayed. 194 */ 195 public static final int DISPLAY = 0x07; 196 197 /* package */ static boolean isValid(int action) { 198 boolean isValid = false; 199 200 switch (action) { 201 case DEFAULT: 202 case PLAY: 203 case RINGTONE: 204 case TRANSFER: 205 case OUTPUT: 206 case PREVIEW: 207 case EXECUTE: 208 case DISPLAY: 209 isValid = true; 210 } 211 return isValid; 212 } 213 214 /** 215 * @deprecated This class should have been an interface instead. 216 * The default constuctor should have not been exposed. 217 */ 218 public Action() {} 219 } 220 221 /** 222 * Defines status notifications for digital rights. 223 */ 224 public static class RightsStatus { 225 /** 226 * The digital rights are valid. 227 */ 228 public static final int RIGHTS_VALID = 0x00; 229 /** 230 * The digital rights are invalid. 231 */ 232 public static final int RIGHTS_INVALID = 0x01; 233 /** 234 * The digital rights have expired. 235 */ 236 public static final int RIGHTS_EXPIRED = 0x02; 237 /** 238 * The digital rights have not been acquired for the rights-protected content. 239 */ 240 public static final int RIGHTS_NOT_ACQUIRED = 0x03; 241 242 /** 243 * @deprecated This class should have been an interface instead. 244 * The default constuctor should have not been exposed. 245 */ 246 public RightsStatus() {} 247 } 248 249 /** 250 * @deprecated This class should have been an interface instead. 251 * The default constuctor should have not been exposed. 252 */ 253 public DrmStore() {} 254 } 255 256
