1 /* 2 * Copyright (C) 2007 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 #ifndef _CONSTRAINT_H 17 #define _CONSTRAINT_H 18 19 #include <Drm2CommonTypes.h> 20 #include <ustring.h> 21 #include <uvector.h> 22 using namespace ustl; 23 24 struct Context { 25 string id; 26 string version; 27 }; 28 29 const int INIT_VALUE = -1; 30 31 class Constraint { 32 public: 33 enum MODE {NONE, MOVE, COPY}; /**< export mode type. */ 34 35 /** 36 * Construtor for constraint. 37 */ 38 Constraint(); 39 40 /** 41 * Destructor for constraint. 42 */ 43 ~Constraint(); 44 45 public: 46 /** 47 * Test whether constraint is valid or not 48 * @param time the specitic time to test. 49 * @return true/false to indicate the result. 50 */ 51 bool isValid(long time) const; 52 53 /** 54 * Test whether constraint is unconstraint or not 55 * @return true/false to indicate the result. 56 */ 57 bool isUnConstraint() const; 58 59 /** 60 * Test whether constraint is datetime related or not. 61 * @return true/false to indicate the result. 62 */ 63 bool isDateTimeConstraint() const; 64 65 /** 66 * Test whether constraint contain interval or not 67 * @return true/false to indicate the result. 68 */ 69 bool isIntervalConstraint() const; 70 71 /** 72 * Test whether constraint is timed count or not 73 * @return true/false to indicate the result. 74 */ 75 bool isTimedCountConstraint() const; 76 77 /** 78 * Set the start time value of constraint. 79 * @param time the specific time value. 80 */ 81 void setStartTime(long time); 82 83 /** 84 * Get the start time. 85 * @return value of start time. 86 */ 87 long getStartTime() const; 88 89 /** 90 * Set the end time. 91 * @param time the value of end time. 92 */ 93 void setEndTime(long time); 94 95 /** 96 * Get the end time. 97 * @param return the value of end time. 98 */ 99 long getEndTime() const; 100 101 /** 102 * Set the accumulated . 103 * @param time the specific time. 104 */ 105 void setAccumulated(long time); 106 107 /** 108 * Get the accumulated. 109 * @return the value of accumulated 110 */ 111 long getAccumulated() const; 112 113 /** 114 * Set the count. 115 * @param count the value of count. 116 */ 117 void setCount(int count); 118 119 /** 120 * Get the count. 121 * @return value of count. 122 */ 123 int getCount() const; 124 125 /** 126 * Set the value of timer. 127 * @param timer the value of the timer. 128 */ 129 void setTimer(int timer); 130 131 /** 132 * Get the timer. 133 * @return value of time. 134 */ 135 int getTimer() const; 136 137 /** 138 * Set the timedCount. 139 * @param timedCount the value of timedCount. 140 */ 141 void setTimedCount(int timedCount); 142 143 /** 144 * Get the timedCount. 145 * @return the value of timedCount. 146 */ 147 int getTimedCount() const; 148 149 /** 150 * Set the interval. 151 * @param interval the value of interval. 152 */ 153 void setInterval(int interval); 154 155 /** 156 * Get the interval. 157 * @return the value of interval. 158 */ 159 int getInterval() const; 160 161 /** 162 * set export mode. 163 * @param mode the mode type of export. 164 */ 165 void setExportMode(MODE mode); 166 167 /** 168 * Get the export mode. 169 * @return the export mode. 170 */ 171 MODE getExportMode() const; 172 173 /** 174 * Consume the constraint. 175 * @return true/false to indicate whether consume succesfully or not. 176 */ 177 bool consume(); 178 179 PRIVATE: 180 int mCount; /**< the count. */ 181 int mTimedCount; /**< timed count. */ 182 int mTimer; /**< timer for timed count. */ 183 long mStart; /**< start time. */ 184 long mEnd; /**< end time. */ 185 int mInterval; /**< interval. */ 186 long mAccumulated; /**< accumlated. */ 187 vector<Context> mSystemList; /**< system list. */ 188 MODE mExport; /**< export mode. */ 189 }; 190 #endif 191