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
  40 void LayerState::attachIdToArea(const string& area, const WMClient& client)
  41 {
  42     this->area2appid[area] = client.appID();
  43     this->render_order.push_back(client.layerID());
  44 }
  45
  46 const unordered_map<string, string> LayerState::popCurrentState()
  47 {
  48     unordered_map<string, string> tmp = this->area2appid;
  49     this->area2appid.clear();
  50     this->render_order.clear();
  51     return tmp;
  52 }
  53
  54 const unordered_map<string, string> LayerState::getCurrentState()
  55 {
  56     return this->area2appid;
  57 }
  58
  59 const vector<unsigned> LayerState::getIviIdList()
  60 {
  61     return this->render_order;
  62 }
  63
  64 void LayerState::addLayer(unsigned layer)
  65 {
  66     this->render_order.push_back(layer);
  67 }
  68
  69 void LayerState::removeLayer(unsigned layer)
  70 {
  71     auto fwd_itr = std::remove_if(
  72         this->render_order.begin(), this->render_order.end(),
  73         [layer](unsigned elm) {
  74             if(elm == layer)
  75                 HMI_DEBUG("remove layer %d", elm);
  76             return elm == layer;
  77         }
  78     );
  79     this->render_order.erase(fwd_itr, this->render_order.end());
  80 }
  81
  82 void LayerState::setArea(const string& app, const string& area)
  83 {
  84     this->area2appid[area] = app;
  85 }
  86
  87 void LayerState::dump()
  88 {
  89     std::string str;
  90     for(const auto& ro : this->render_order)
  91     {
  92         str += std::to_string(ro);
  93         str += ",";
  94     }
  95     DUMP("    render order : %s", str.c_str());
  96 }
  97
  98 WMLayer::WMLayer(json_object* j, unsigned uuid) : tmp_state(), state(), uuid(uuid)
  99 {
 100     this->name = jh::getStringFromJson(j, "name");
 101     this->role_list = jh::getStringFromJson(j, "role");
 102     const char* type = jh::getStringFromJson(j, "type");
 103     this->id_begin = static_cast<unsigned>(jh::getIntFromJson(j, "id_range_begin"));
 104     this->id_end = static_cast<unsigned>(jh::getIntFromJson(j, "id_range_end"));
 105
 106     if (name.size() == 0 || !type)
 107     {
 108         HMI_ERROR("Parse Error!!");
 109         exit(1);
 110     }
 111     if(this->id_begin > this->id_end)
 112     {
 113         HMI_ERROR("INVALID");
 114         exit(1);
 115     }
 116     string str_type = type;
 117     this->type = (str_type == "tile") ? MANAGEMENT_TYPE::TILE : MANAGEMENT_TYPE::STACK;
 118 }
 119
 120 unsigned WMLayer::getNewLayerID(const string& role)
 121 {
 122     unsigned ret = 0;
 123     if(this->name == BG_LAYER_NAME)
 124         return ret;
 125
 126     // generate new layer id;
 127     if(this->hasRole(role))
 128     {
 129         if(this->id_list.size() == 0)
 130         {
 131             ret = this->idBegin();
 132             this->id_list.push_back(ret);
 133         }
 134         else
 135         {
 136             ret = this->id_list.back() + 1;
 137         }
 138         HMI_INFO("Generate new id: %d", ret);
 139     }
 140     else
 141     {
 142         return ret;
 143     }
 144
 145     size_t count = std::count(id_list.begin(), id_list.end(), ret);
 146     if( (ret > this->idEnd()) || (count > 1))
 147     {
 148         HMI_NOTICE("id %d is not available then generate new id", ret);
 149         ret = 0; // reset
 150         for(unsigned i = this->idBegin(); i < this->idEnd(); i++)
 151         {
 152             auto ret_found = std::find(id_list.begin(), id_list.end(), i);
 153             if(ret_found == id_list.cend())
 154             {
 155                 HMI_INFO("set new id: %d", i);
 156                 ret = i;
 157                 break;
 158             }
 159         }
 160     }
 161
 162     if(ret != 0)
 163     {
 164         id_list.push_back(ret);
 165     }
 166     else
 167     {
 168         HMI_ERROR("failed to get New ID");
 169     }
 170     return ret;
 171 }
 172
 173 const string& WMLayer::layerName()
 174 {
 175     return this->name;
 176 }
 177
 178 WMError WMLayer::setLayerState(const LayerState& l)
 179 {
 180     this->tmp_state = l;
 181     return WMError::SUCCESS;
 182 }
 183
 184 void WMLayer::addLayerToState(unsigned layer)
 185 {
 186     this->tmp_state.addLayer(layer);
 187 }
 188
 189 void WMLayer::removeLayerFromState(unsigned layer)
 190 {
 191     this->tmp_state.removeLayer(layer);
 192 }
 193
 194 void WMLayer::appendArea(const string& area)
 195 {
 196     this->area_list.push_back(area);
 197 }
 198
 199 void WMLayer::terminateApp(unsigned id)
 200 {
 201     auto fwd_itr = std::remove_if(this->id_list.begin(), this->id_list.end(),
 202         [id](unsigned elm) {
 203             return elm == id;
 204         });
 205     this->id_list.erase(fwd_itr, this->id_list.end());
 206     this->tmp_state.removeLayer(id);
 207     this->state.removeLayer(id);
 208     ilm_layerRemove(id);
 209 }
 210
 211 bool WMLayer::hasLayerID(unsigned id)
 212 {
 213     bool ret = (id > this->idBegin() && id < this->idEnd());
 214     if(!ret)
 215         return ret;
 216     auto itr = std::find(this->id_list.begin(), this->id_list.end(), id);
 217     return (itr != this->id_list.end()) ? true : false;
 218 }
 219
 220 bool WMLayer::hasRole(const string& role)
 221 {
 222     auto re = std::regex(this->role_list);
 223     if (std::regex_match(role, re))
 224     {
 225         HMI_DEBUG("role %s matches layer %s", role.c_str(), this->name.c_str());
 226         return true;
 227     }
 228     return false;
 229 }
 230
 231 WMError WMLayer::commitChange()
 232 {
 233     this->state = this->tmp_state;
 234     return WMError::SUCCESS;
 235 }
 236
 237 void WMLayer::dump()
 238 {
 239     DUMP("===== wm layer status =====");
 240     DUMP("Layer :%s", this->name.c_str());
 241     this->tmp_state.dump();
 242     this->state.dump();
 243     DUMP("===== wm layer status end =====");
 244
 245 }
 246
 247 /* void WMLayer::undo()
 248 {
 249     this->tmp_state = this->state;
 250 }
 251  */
 252 } // namespace wm