src/policy_manager/stm/stub/src/stm.c

   1 /*
   2  * Copyright (c) 2018 TOYOTA MOTOR CORPORATION
   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 #include <string.h>
  18 #include "stm.h"
  19
  20 const char* kStmEventName[] = {
  21     "none",
  22     "activate",
  23     "deactivate",
  24     "restriction_mode_off",
  25     "restriction_mode_1_on",
  26     "restriction_mode_2_on",
  27     "undo",
  28 };
  29
  30 const char* kStmCategoryName[] = {
  31     "none",
  32     "homescreen",
  33     "map",
  34     "general",
  35     "splitable",
  36     "pop_up",
  37     "system_alert",
  38     "restriction",
  39     "system",
  40     "software_keyboard",
  41 };
  42
  43 const char* kStmAreaName[] = {
  44     "none",
  45     "fullscreen",
  46     "normal",
  47     "split.main",
  48     "split.sub",
  49     "on_screen",
  50     "restriction.normal",
  51     "restriction.split.main",
  52     "restriction.split.sub",
  53     "software_keyboard",
  54 };
  55
  56 const char* kStmLayoutName[] = {
  57     "none",
  58     "pop_up",
  59     "system_alert",
  60     "map.normal",
  61     "map.split",
  62     "map.fullscreen",
  63     "splitable.normal",
  64     "splitable.split",
  65     "general.normal",
  66     "homescreen",
  67     "restriction.normal",
  68     "restriction.split.main",
  69     "restriction.split.sub",
  70     "system.normal",
  71     "software_keyboard",
  72 };
  73
  74 const char* kStmLayerName[] = {
  75     "homescreen",
  76     "apps",
  77     "near_homescreen",
  78     "restriction",
  79     "on_screen",
  80 };
  81
  82 const char* kStmModeName[] = {
  83     "trans_gear",
  84     "parking_brake",
  85     "accel_pedal",
  86     "running",
  87     "lamp",
  88     "lightstatus_brake",
  89     "restriction_mode",
  90 };
  91
  92 const char* kStmRestrictionModeStateName[] = {
  93     "off",
  94     "1on",
  95     "2on",
  96 };
  97
  98 const char** kStmModeStateNameList[] = {
  99     kStmRestrictionModeStateName,
 100 };
 101
 102 static StmState g_crr_state;
 103 static StmState g_prv_state;
 104
 105 void stmInitialize() {
 106     // Initialize previous state
 107     memset(&g_prv_state, 0, sizeof(g_prv_state));
 108
 109     // Initialize current state
 110     g_crr_state = g_prv_state;
 111 }
 112
 113 int stmTransitionState(int event, StmState* state) {
 114     int event_no, category_no;
 115
 116     event_no    = STM_GET_EVENT_FROM_ID(event);
 117     category_no = STM_GET_CATEGORY_FROM_ID(event);
 118
 119     // Backup previous state
 120     g_prv_state = g_crr_state;
 121
 122     // Clear current state
 123     memset(&g_prv_state, 0, sizeof(g_prv_state));
 124
 125     // -------------------------------------------------------
 126     // There is no policy table by default.
 127     // Therefore update each layers
 128     // to draw the applications in normal.full area
 129     // in accordance with inputed activate/deactivate events.
 130     // -------------------------------------------------------
 131     if (StmEvtNoActivate == event_no)
 132     {
 133         if (StmCtgNoHomescreen == category_no)
 134         {
 135             g_crr_state.layer[StmLayerNoHomescreen].state = StmLayoutNoHms;
 136             g_crr_state.layer[StmLayerNoHomescreen].changed = STM_TRUE;
 137
 138             g_crr_state.layer[StmLayerNoApps].state = StmLayoutNoNone;
 139             g_crr_state.layer[StmLayerNoApps].changed = STM_TRUE;
 140         }
 141         else if (StmCtgNoMap == category_no)
 142         {
 143             g_crr_state.layer[StmLayerNoApps].state = StmLayoutNoMapNml;
 144             g_crr_state.layer[StmLayerNoApps].changed = STM_TRUE;
 145         }
 146         else if (StmCtgNoGeneral == category_no)
 147         {
 148             g_crr_state.layer[StmLayerNoApps].state = StmLayoutNoGenNml;
 149             g_crr_state.layer[StmLayerNoApps].changed = STM_TRUE;
 150         }
 151         else if (StmCtgNoSystem == category_no)
 152         {
 153             g_crr_state.layer[StmLayerNoApps].state = StmLayoutNoSysNml;
 154             g_crr_state.layer[StmLayerNoApps].changed = STM_TRUE;
 155         }
 156         else if (StmCtgNoSplitable == category_no)
 157         {
 158             g_crr_state.layer[StmLayerNoApps].state = StmLayoutNoSplNml;
 159             g_crr_state.layer[StmLayerNoApps].changed = STM_TRUE;
 160         }
 161         else if (StmCtgNoPopUp == category_no)
 162         {
 163             g_crr_state.layer[StmLayerNoOnScreen].state = StmLayoutNoPopUp;
 164             g_crr_state.layer[StmLayerNoOnScreen].changed = STM_TRUE;
 165         }
 166         else if (StmCtgNoSystemAlert == category_no)
 167         {
 168             g_crr_state.layer[StmLayerNoOnScreen].state = StmLayoutNoSysAlt;
 169             g_crr_state.layer[StmLayerNoOnScreen].changed = STM_TRUE;
 170         }
 171     }
 172     else if (StmEvtNoDeactivate == event_no)
 173     {
 174         if (StmCtgNoHomescreen == category_no)
 175         {
 176             g_crr_state.layer[StmLayerNoHomescreen].state = StmLayoutNoNone;
 177             g_crr_state.layer[StmLayerNoHomescreen].changed = STM_TRUE;
 178         }
 179         else if (StmCtgNoMap == category_no)
 180         {
 181             if (StmLayoutNoMapNml == g_prv_state.layer[StmLayerNoApps].state )
 182             {
 183                 g_crr_state.layer[StmLayerNoApps].state = StmLayoutNoNone;
 184                 g_crr_state.layer[StmLayerNoApps].changed = STM_TRUE;
 185             }
 186         }
 187         else if (StmCtgNoGeneral == category_no)
 188         {
 189             if (StmLayoutNoGenNml == g_prv_state.layer[StmLayerNoApps].state )
 190             {
 191                 g_crr_state.layer[StmLayerNoApps].state = StmLayoutNoNone;
 192                 g_crr_state.layer[StmLayerNoApps].changed = STM_TRUE;
 193             }
 194         }
 195         else if (StmCtgNoSystem == category_no)
 196         {
 197             if (StmLayoutNoSysNml == g_prv_state.layer[StmLayerNoApps].state )
 198             {
 199                 g_crr_state.layer[StmLayerNoApps].state = StmLayoutNoNone;
 200                 g_crr_state.layer[StmLayerNoApps].changed = STM_TRUE;
 201             }
 202         }
 203         else if (StmCtgNoSplitable == category_no)
 204         {
 205             if (StmLayoutNoSplNml == g_prv_state.layer[StmLayerNoApps].state )
 206             {
 207                 g_crr_state.layer[StmLayerNoApps].state = StmLayoutNoNone;
 208                 g_crr_state.layer[StmLayerNoApps].changed = STM_TRUE;
 209             }
 210         }
 211         else if (StmCtgNoPopUp == category_no)
 212         {
 213             if (StmLayoutNoPopUp == g_prv_state.layer[StmLayerNoOnScreen].state )
 214             {
 215                 g_crr_state.layer[StmLayerNoOnScreen].state = StmLayoutNoNone;
 216                 g_crr_state.layer[StmLayerNoOnScreen].changed = STM_TRUE;
 217             }
 218         }
 219         else if (StmCtgNoSystemAlert == category_no)
 220         {
 221             if (StmLayoutNoSysAlt == g_prv_state.layer[StmLayerNoOnScreen].state )
 222             {
 223                 g_crr_state.layer[StmLayerNoOnScreen].state = StmLayoutNoNone;
 224                 g_crr_state.layer[StmLayerNoOnScreen].changed = STM_TRUE;
 225             }
 226         }
 227     }
 228
 229     // Copy current state for return
 230     memcpy(state, &g_crr_state, sizeof(g_crr_state));
 231
 232     return 0;
 233 }
 234
 235 void stmUndoState() {
 236     g_crr_state = g_prv_state;
 237 }