src/wm_layer.cpp

   1 /*
   2  * Copyright (c) 2017 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 <regex>
  18 #include <ilm/ilm_control.h>
  19 #include <stdlib.h>
  20 #include "wm_client.hpp"
  21 #include "wm_layer.hpp"
  22 #include "json_helper.hpp"
  23 #include "util.hpp"
  24
  25 using std::string;
  26 using std::vector;
  27 using std::unordered_map;
  28
  29 #define BG_LAYER_NAME "BackGroundLayer"
  30
  31 namespace wm
  32 {
  33
  34 LayerState::LayerState()
  35     :  render_order(),
  36        area2appid()
  37 {}
  38
  39 const vector<unsigned> LayerState::getIviIdList()
  40 {
  41     return this->render_order;
  42 }
  43
  44 void LayerState::addLayer(unsigned layer)
  45 {
  46     auto result = std::find(this->render_order.begin(), this->render_order.end(), layer);
  47     if(result == this->render_order.end())
  48         this->render_order.push_back(layer);
  49 }
  50
  51 void LayerState::removeLayer(unsigned layer)
  52 {
  53     auto fwd_itr = std::remove_if(
  54         this->render_order.begin(), this->render_order.end(),
  55         [layer](unsigned elm) {
  56             if(elm == layer)
  57                 HMI_DEBUG("remove layer %d", elm);
  58             return elm == layer;
  59         }
  60     );
  61     this->render_order.erase(fwd_itr, this->render_order.end());
  62 }
  63
  64 void LayerState::attachAppToArea(const string& app, const string& area)
  65 {
  66     this->area2appid[area] = app;
  67 }
  68
  69 void LayerState::dump()
  70 {
  71     std::string ids, apps;
  72     for(const auto& ro : this->render_order)
  73     {
  74         ids += std::to_string(ro);
  75         ids += ",";
  76     }
  77     for(const auto& area : this->area2appid)
  78     {
  79         apps += area.first;
  80         apps += ":";
  81         apps += area.second;
  82         apps += ",";
  83     }
  84     DUMP("    render order : %s", ids.c_str());
  85     DUMP("    area, app    : %s", apps.c_str());
  86 }
  87
  88 WMLayer::WMLayer(json_object* j, unsigned wm_layer_id) : tmp_state(), state(), wm_layer_id(wm_layer_id)
  89 {
  90     this->name = jh::getStringFromJson(j, "name");
  91     this->role_list = jh::getStringFromJson(j, "role");
  92     this->id_begin = static_cast<unsigned>(jh::getIntFromJson(j, "id_range_begin"));
  93     this->id_end = static_cast<unsigned>(jh::getIntFromJson(j, "id_range_end"));
  94
  95     if (name.empty())
  96     {
  97         HMI_ERROR("Parse Error!!");
  98         exit(1);
  99     }
 100     if(this->id_begin > this->id_end)
 101     {
 102         HMI_ERROR("INVALID");
 103         exit(1);
 104     }
 105 }
 106
 107 unsigned WMLayer::getNewLayerID(const string& role)
 108 {
 109     unsigned ret = 0;
 110     if(this->name == BG_LAYER_NAME)
 111         return ret;
 112
 113     // generate new layer id;
 114     if(this->hasRole(role))
 115     {
 116         if(this->id_list.size() == 0)
 117         {
 118             ret = this->idBegin();
 119             this->id_list.push_back(ret);
 120         }
 121         else
 122         {
 123             ret = this->id_list.back() + 1;
 124         }
 125         HMI_INFO("Generate new id: %d", ret);
 126     }
 127     else
 128     {
 129         return ret;
 130     }
 131
 132     size_t count = std::count(id_list.begin(), id_list.end(), ret);
 133     if( (ret > this->idEnd()) || (count > 1))
 134     {
 135         HMI_NOTICE("id %d is not available then generate new id", ret);
 136         ret = 0; // reset
 137         for(unsigned i = this->idBegin(); i < this->idEnd(); i++)
 138         {
 139             auto ret_found = std::find(id_list.begin(), id_list.end(), i);
 140             if(ret_found == id_list.cend())
 141             {
 142                 HMI_INFO("set new id: %d", i);
 143                 ret = i;
 144                 break;
 145             }
 146         }
 147     }
 148
 149     if(ret != 0)
 150     {
 151         id_list.push_back(ret);
 152     }
 153     else
 154     {
 155         HMI_ERROR("failed to get New ID");
 156     }
 157     return ret;
 158 }
 159
 160 const string& WMLayer::layerName()
 161 {
 162     return this->name;
 163 }
 164
 165 WMError WMLayer::setLayerState(const LayerState& l)
 166 {
 167     this->tmp_state = l;
 168     return WMError::SUCCESS;
 169 }
 170
 171 void WMLayer::addLayerToState(unsigned layer)
 172 {
 173     this->tmp_state.addLayer(layer);
 174 }
 175
 176 void WMLayer::removeLayerFromState(unsigned layer)
 177 {
 178     this->tmp_state.removeLayer(layer);
 179 }
 180
 181 void WMLayer::attachAppToArea(const string& app, const string& area)
 182 {
 183     this->tmp_state.attachAppToArea(app, area);
 184 }
 185
 186 void WMLayer::appendArea(const string& area)
 187 {
 188     this->area_list.push_back(area);
 189 }
 190
 191 void WMLayer::appTerminated(unsigned id)
 192 {
 193     auto fwd_itr = std::remove_if(this->id_list.begin(), this->id_list.end(),
 194         [id](unsigned elm) {
 195             return elm == id;
 196         });
 197     this->id_list.erase(fwd_itr, this->id_list.end());
 198     this->tmp_state.removeLayer(id);
 199     this->state.removeLayer(id);
 200     ilm_layerRemove(id);
 201 }
 202
 203 bool WMLayer::hasLayerID(unsigned id)
 204 {
 205     bool ret = (id >= this->idBegin() && id <= this->idEnd());
 206     if(!ret)
 207         return ret;
 208     auto itr = std::find(this->id_list.begin(), this->id_list.end(), id);
 209     return (itr != this->id_list.end()) ? true : false;
 210 }
 211
 212 bool WMLayer::hasRole(const string& role)
 213 {
 214     auto re = std::regex(this->role_list);
 215     if (std::regex_match(role, re))
 216     {
 217         HMI_DEBUG("role %s matches layer %s", role.c_str(), this->name.c_str());
 218         return true;
 219     }
 220     return false;
 221 }
 222
 223 void WMLayer::update()
 224 {
 225     this->state = this->tmp_state;
 226 }
 227
 228 void WMLayer::undo()
 229 {
 230     this->tmp_state = this->state;
 231 }
 232
 233 void WMLayer::dump()
 234 {
 235     DUMP("===== wm layer status =====");
 236     DUMP("Layer :%s", this->name.c_str());
 237     this->tmp_state.dump();
 238     this->state.dump();
 239     DUMP("===== wm layer status end =====");
 240
 241 }
 242
 243 } // namespace wm