Update managing layout information
[apps/agl-service-windowmanager.git] / src / policy_manager / policy_manager.cpp
index a91d98e..6f12795 100644 (file)
@@ -33,9 +33,34 @@ extern "C" {
 
 
 namespace pm {
+typedef struct AreaState {
+    std::string name;
+    std::string category;
+    std::string role;
+} AreaState;
+
+typedef struct LayoutState {
+    std::string name;
+    std::map<std::string, int> category_num;
+//    int category_num[stm::gStmCategoryNoNum];
+    std::vector<AreaState> area_list;
+    std::map<std::string, std::string> last_invisibled_role;
+} LayoutState;
+
+typedef struct LayerState {
+    std::string name;
+    LayoutState layout_state;
+} LayerState;
+
 struct sd_event* event_loop;
 std::map<int, struct sd_event_source*> event_source_list;
+std::map<int, std::string> g_event_info_list;
 PolicyManager::CallbackTable callback;
+
+std::unordered_map<std::string, LayerState> g_prv_layers;
+std::unordered_map<std::string, LayerState> g_crr_layers;
+std::unordered_map<std::string, LayerState> g_prv_layers_car_stop;
+std::unordered_map<std::string, LayoutState> g_default_layouts;
 }  // namespace pm
 
 
@@ -61,7 +86,7 @@ int PolicyManager::initialize() {
         this->eventname2no_[stm::gStmEventName[i]] = stm::gStmEventNo[i];
     }
 
-    for (unsigned int i=0; i<STM_NUM_CTG; i++) {
+    for (int i = stm::gStmCategoryNoMin; i <= stm::gStmCategoryNoMax; i++) {
         HMI_DEBUG("wm:pm", "category name:%s no:%d", stm::gStmCategoryName[i], stm::gStmCategoryNo[i]);
         this->categoryname2no_[stm::gStmCategoryName[i]] = stm::gStmCategoryNo[i];
     }
@@ -78,6 +103,29 @@ int PolicyManager::initialize() {
         return ret;
     }
 
+    // Load layout.db
+    ret = this->loadLayoutDb();
+    if (0 > ret) {
+        HMI_ERROR("wm:pm", "Load layout.db Error!!");
+        return ret;
+    }
+
+    // Initialize current/previous state of layers
+    pm::AreaState init_area;
+    pm::LayoutState init_layout;
+    init_area.name     = "none";
+    init_area.category = "none";
+    init_area.role     = "none";
+    init_layout.area_list.push_back(init_area);
+
+    for (int i = stm::gStmLayerNoMin; i <= stm::gStmLayerNoMax; i++) {
+        const char* layer_name = stm::gStmLayerName[i];
+        pm::g_crr_layers[layer_name].name          = layer_name;
+        pm::g_crr_layers[layer_name].layout_state  = init_layout;
+    }
+
+    pm::g_prv_layers = pm::g_crr_layers;
+
     // Initialize StateTransitioner
     stm::stmInitialize();
 
@@ -126,25 +174,25 @@ static void addStateToJson(
     json_object_object_add(*json_out, key, json_obj);
 }
 
-static int checkPolicyEntry(int event, uint64_t delay_ms);
+static int checkPolicyEntry(int event, uint64_t delay_ms, const char* role);
 static int checkPolicy(sd_event_source *source, void *data) {
     HMI_DEBUG("wm:pm", "Call");
     HMI_DEBUG("wm:pm", ">>>>>>>>>> START CHECK POLICY");
 
-    int event = *((int*)data);
+    int event_data = *((int*)data);
 
     int event_no, category_no, area_no;
-    event_no    = event & STM_MSK_EVT_NO;
-    category_no = event & STM_MSK_CTG_NO;
-    area_no     = event & STM_MSK_ARA_NO;
+    event_no    = (event_data & STM_MSK_EVT_NO) - 1;
+    category_no = ((event_data & STM_MSK_CTG_NO) >> 8) - 1;
+    area_no     = ((event_data & STM_MSK_ARA_NO) >> 16) - 1;
     HMI_DEBUG("wm:pm", ">>>>>>>>>> event:%s category:%s area:%s",
-              stm::gStmEventName[event_no - 1],
-              stm::gStmCategoryName[(category_no >> 8) - 1],
-              stm::gStmAreaName[(area_no >> 16) - 1]);
+              stm::gStmEventName[event_no],
+              stm::gStmCategoryName[category_no],
+              stm::gStmAreaName[area_no]);
 
     // Transition state
     stm::stm_state_t crr_state;
-    int ret = stm::stmTransitionState(event, &crr_state);
+    int ret = stm::stmTransitionState(event_data, &crr_state);
     if (0 > ret) {
         HMI_ERROR("wm:pm", "Error!!");
         return -1;
@@ -175,21 +223,275 @@ static int checkPolicy(sd_event_source *source, void *data) {
               crr_state.restriction_mode.state,
               stm::gStmRestrictionModeStateNo2Name[crr_state.restriction_mode.state]);
     HMI_DEBUG("wm:pm", "homescreen state        (is_changed:%d state:%d:%s)",
-              crr_state.layer.homescreen.is_changed,
-              crr_state.layer.homescreen.state,
-              stm::gStmLayoutNo2Name[crr_state.layer.homescreen.state]);
+              crr_state.layer[stm::gStmLayerNoHomescreen].is_changed,
+              crr_state.layer[stm::gStmLayerNoHomescreen].state,
+              stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoHomescreen].state]);
     HMI_DEBUG("wm:pm", "apps state              (is_changed:%d state:%d:%s)",
-              crr_state.layer.apps.is_changed,
-              crr_state.layer.apps.state,
-              stm::gStmLayoutNo2Name[crr_state.layer.apps.state]);
+              crr_state.layer[stm::gStmLayerNoApps].is_changed,
+              crr_state.layer[stm::gStmLayerNoApps].state,
+              stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoApps].state]);
     HMI_DEBUG("wm:pm", "restriction state       (is_changed:%d state:%d:%s)",
-              crr_state.layer.restriction.is_changed,
-              crr_state.layer.restriction.state,
-              stm::gStmLayoutNo2Name[crr_state.layer.restriction.state]);
+              crr_state.layer[stm::gStmLayerNoRestriction].is_changed,
+              crr_state.layer[stm::gStmLayerNoRestriction].state,
+              stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoRestriction].state]);
     HMI_DEBUG("wm:pm", "on_screen state         (is_changed:%d state:%d:%s)",
-              crr_state.layer.on_screen.is_changed,
-              crr_state.layer.on_screen.state,
-              stm::gStmLayoutNo2Name[crr_state.layer.on_screen.state]);
+              crr_state.layer[stm::gStmLayerNoOnScreen].is_changed,
+              crr_state.layer[stm::gStmLayerNoOnScreen].state,
+              stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoOnScreen].state]);
+
+#if 1 // @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+    // Store previous layers
+    pm::g_prv_layers = pm::g_crr_layers;
+
+    std::string role = pm::g_event_info_list[event_data];
+    std::string event = std::string(stm::gStmEventName[event_no]);
+    std::string category = std::string(stm::gStmCategoryName[category_no]);
+    std::string area = std::string(stm::gStmAreaName[area_no]);
+
+    // Update layers
+    for (int layer_no = stm::gStmLayerNoMin;
+         layer_no <= stm::gStmLayerNoMax; layer_no++) {
+        const char* layer_name = stm::gStmLayerName[layer_no];
+        HMI_DEBUG("wm:pm", "LAYER:%s", layer_name);
+
+#if 1
+        // If restriction mode is changed off -> on,
+        // store current state for state of restriction mode off
+        if ((crr_state.restriction_mode.is_changed)
+            && (stm::gStmRestrictionModeStateNoOn == crr_state.restriction_mode.state)) {
+            HMI_DEBUG("wm:lm", "Store current state for state of restriction mode off");
+            pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
+        }
+#else
+        // If car state is changed car_stop -> car_run,
+        // store current state for state of car stop
+        if ((crr_state.car.is_changed)
+            && (stm::gStmCarStateNoRun == crr_state.car.state)) {
+            HMI_DEBUG("wm:lm", "Store current state for state of car stop");
+            pm::g_prv_layers_car_stop[layer_name] = pm::g_crr_layers[layer_name];
+        }
+#endif
+
+
+        // This layer is changed?
+        if (crr_state.layer[layer_no].is_changed) {
+            // Get previous layout name of this layer
+            pm::LayoutState prv_layout_state =  pm::g_prv_layers[layer_name].layout_state;
+            std::string prv_layout_name = prv_layout_state.name;
+
+            // Get current layout name of this layer
+            int crr_layout_state_no =  crr_state.layer[layer_no].state;
+            std::string crr_layout_name = std::string(stm::gStmLayoutNo2Name[crr_layout_state_no]);
+
+            pm::LayoutState crr_layout_state;
+#if 1
+            if ((crr_state.restriction_mode.is_changed)
+                && (stm::gStmRestrictionModeStateNoOff == crr_state.restriction_mode.state)) {
+                // If restriction mode is changed on -> off,
+                // restore state of restriction mode off
+                HMI_DEBUG("wm:lm", "Restriction mode is changed on -> off, so restore state of restriction mode off");
+                crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
+#else
+            if ((crr_state.car.is_changed)
+                && (stm::gStmCarStateNoStop == crr_state.car.state)) {
+                // If car state is changed car_run -> car_stop,
+                // restore state of car stop
+                HMI_DEBUG("wm:lm", "Car state is changed car_run -> car_stop, so restore state of car stop");
+                crr_layout_state = pm::g_prv_layers_car_stop[layer_name].layout_state;
+#endif
+            }
+#if 0
+            else if ("none" == crr_layout_name) {
+                // If current layout is "none",
+                // current areas is set with "none"
+                HMI_DEBUG("wm:pm", "Current layout is \"none\"");
+                pm::AreaState crr_area_state;
+                crr_area_state.name     = "none";
+                crr_area_state.category = "none";
+                crr_area_state.role     = "none";
+                crr_layout_state.name = "none";
+                crr_layout_state.area_list.push_back(crr_area_state);
+            }
+#endif
+            else {
+                // Copy previous layout state for current
+                crr_layout_state = prv_layout_state;
+
+                if (prv_layout_name == crr_layout_name) {
+                    HMI_DEBUG("wm:lm", "Previous layout is same with current");
+                }
+                else {
+                    // If previous layout is NOT same with current,
+                    // current areas is set with default value
+                    HMI_DEBUG("wm:lm", "Previous layout is NOT same with current");
+                    crr_layout_state.name         = pm::g_default_layouts[crr_layout_name].name;
+                    crr_layout_state.category_num = pm::g_default_layouts[crr_layout_name].category_num;
+                    crr_layout_state.area_list    = pm::g_default_layouts[crr_layout_name].area_list;
+                }
+
+                // Update role in new area
+#if 0
+#if 1
+                if (crr_state.restriction_mode.is_changed) {
+                    // Updating role is not necessary
+                    // because new_role is not specified
+                    // when restriction mode is changed
+                    HMI_DEBUG("wm:lm", "Updating role is not necessary because new_role is not specified when restriction mode is changed");
+#else
+                if (crr_state.car.is_changed) {
+                    // Updating role is not necessary
+                    // because new_role is not specified
+                    // when car state is changed
+                    HMI_DEBUG("wm:lm", "Updating role is not necessary because new_role is not specified when car state is changed");
+#endif
+                }
+                else {
+#endif
+                    std::map<std::string, std::vector<pm::AreaState>> ctg_list;
+                    for (int ctg_no=stm::gStmCategoryNoMin;
+                         ctg_no<=stm::gStmCategoryNoMax; ctg_no++) {
+                        const char* ctg = stm::gStmCategoryName[ctg_no];
+                        HMI_DEBUG("wm:pm", "ctg:%s", ctg);
+
+                        // Create area list of previous app
+                        std::vector<pm::AreaState> area_list;
+                        for (pm::AreaState area_state : prv_layout_state.area_list) {
+                            if (std::string(ctg) == area_state.category) {
+                                // If there is the category which is same with new category in previous layout,
+                                // push it to area list
+                                HMI_DEBUG("wm:pm", "push area_state to prv list category:%s role:%s",
+                                    area_state.category.c_str(), area_state.role.c_str());
+                                area_list.push_back(area_state);
+                            }
+                        }
+
+                        int prv_ctg_num = prv_layout_state.category_num[ctg];
+                        int crr_ctg_num = crr_layout_state.category_num[ctg];
+                        HMI_DEBUG("wm:pm", "crr_ctg_num:%d prv_ctg_num:%d", crr_ctg_num, prv_ctg_num);
+
+                        // Remove state of area which is used no longer from area list
+                        if (crr_ctg_num < prv_ctg_num) {
+                            HMI_DEBUG("wm:pm", "crr_ctg_num < prv_ctg_num");
+                            if (0 == strcmp(ctg, category.c_str())) {
+                                for (auto i = area_list.begin(); i != area_list.end(); ++i) {
+                                    if ((role == i->role) && (area == i->name)) {
+                                        HMI_DEBUG("wm:pm", "store removed role:%s", i->role.c_str());
+                                        crr_layout_state.last_invisibled_role[category] = i->role;
+
+                                        HMI_DEBUG("wm:pm", "remove area state which have same role with requested role");
+                                        area_list.erase(i);
+
+                                        prv_ctg_num--;
+
+                                        if (crr_ctg_num == prv_ctg_num) {
+                                            break;
+                                        }
+                                    }
+                                }
+                            }
+                            else {
+                                HMI_DEBUG("wm:pm", "store removed role:%s", area_list.begin()->role.c_str());
+                                crr_layout_state.last_invisibled_role[ctg] = area_list.begin()->role;
+
+                                HMI_DEBUG("wm:pm", "remove the oldest area data");
+                                area_list.erase(area_list.begin());
+                            }
+                        }
+                        else if (crr_ctg_num >= prv_ctg_num) {
+                            HMI_DEBUG("wm:pm", "crr_ctg_num >= prv_ctg_num");
+                            if (0 == strcmp(ctg, category.c_str())) {
+                                HMI_DEBUG("wm:pm", "category of requested role is same");
+                                if ((crr_ctg_num == prv_ctg_num) && (0 != prv_ctg_num)) {
+                                    HMI_DEBUG("wm:pm", "store removed role:%s", area_list.begin()->role.c_str());
+                                    crr_layout_state.last_invisibled_role[ctg] = area_list.begin()->role;
+
+                                    HMI_DEBUG("wm:pm", "remove the oldest area data for adding requested role");
+                                    area_list.erase(area_list.begin());
+                                }
+                            }
+                        }
+
+                        // Check
+                        for (pm::AreaState area_state : area_list) {
+                            HMI_DEBUG("wm:pm", "area_list name:%s category:%s role:%s",
+                                      area_state.name.c_str(),
+                                      area_state.category.c_str(),
+                                      area_state.role.c_str());
+                        }
+
+                        ctg_list[ctg] = area_list;
+                    }
+
+                    if (event == "activate") {
+                        HMI_DEBUG("wm:pm", "event is activate");
+                        // First, update area for requested role
+                        bool request_for_this_layer = false;
+                        bool updated = false;
+                        for (pm::AreaState &as : crr_layout_state.area_list) {
+                            if (as.category == category) {
+                                request_for_this_layer = true;
+                                if (as.name == area) {
+                                    HMI_DEBUG("wm:pm", "update area for requested category:%s role:%s area:%s", category.c_str(), role.c_str(), area.c_str());
+                                    as.role = role;
+                                    updated = true;
+                                    break;
+                                }
+                            }
+                        }
+
+                        // If NOT updated: there is not requested area in new layout, 
+                        // requested role is used later.
+                        if (request_for_this_layer && (!updated)) {
+                            HMI_DEBUG("wm:pm", "requested role is used later category:%s role:%s area:%s", category.c_str(), role.c_str(), area.c_str());
+                            pm::AreaState area_state;
+                            area_state.name = area;
+                            area_state.category = category;
+                            area_state.role = role;
+                            ctg_list[category].push_back(area_state);
+                        }
+                    }
+
+                    // Update areas
+                    for (pm::AreaState &as : crr_layout_state.area_list) {
+                        HMI_DEBUG("wm:pm", "current area info area:%s category:%s role:%s",
+                                  as.name.c_str(), as.category.c_str(), as.role.c_str());
+                        if ((as.role != role) || ("" == as.role)) {
+                            HMI_DEBUG("wm:pm", "update areas for category:%s", as.category.c_str());
+                            if (0 != ctg_list[as.category].size()) {
+                                HMI_DEBUG("wm:pm", "update role to %s by using area list this category",
+                                          ctg_list[as.category].begin()->role);
+                                as.role = ctg_list[as.category].begin()->role;
+                                ctg_list[as.category].erase(ctg_list[as.category].begin());
+                            }
+                            else {
+                                HMI_DEBUG("wm:pm", "there is no area list for this category, so update area by last invisibled role:", crr_layout_state.last_invisibled_role[as.category]);
+                                as.role = crr_layout_state.last_invisibled_role[as.category];
+                                crr_layout_state.last_invisibled_role.erase(as.category);
+                            }
+                        }
+                    }
+#if 0
+                }
+#endif
+            }
+            // Update current layout of this layer
+            pm::g_crr_layers[layer_name].layout_state = crr_layout_state;
+        }
+    }
+
+    // Check
+    for (auto itr : pm::g_crr_layers) {
+        pm::LayerState ls = itr.second;
+        HMI_DEBUG("wm:pm", ">>> LAYER:%s",ls.name.c_str());
+        HMI_DEBUG("wm:pm", ">>> >>> LAYOUT:%s", ls.layout_state.name.c_str());
+
+        for (pm::AreaState as : ls.layout_state.area_list) {
+            HMI_DEBUG("wm:pm", ">>> >>> >>> AREA:%s", as.name.c_str());
+            HMI_DEBUG("wm:pm", ">>> >>> >>> >>> CTG:%s", as.category.c_str());
+            HMI_DEBUG("wm:pm", ">>> >>> >>> >>> ROLE:%s", as.role.c_str());
+        }
+    }
+#endif // @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
 
     json_object* json_out = json_object_new_object();
 
@@ -263,8 +565,12 @@ static int checkPolicy(sd_event_source *source, void *data) {
     // }
     json_tmp = json_object_new_object();
     addStateToJson("homescreen",
-                   crr_state.layer.homescreen.is_changed,
-                   stm::gStmLayoutNo2Name[crr_state.layer.homescreen.state],
+                   crr_state.layer[stm::gStmLayerNoHomescreen].is_changed,
+#if 1
+                   pm::g_crr_layers["homescreen"].layout_state.name.c_str(),
+#else
+                   stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoHomescreen].state],
+#endif
                    &json_tmp);
     json_object_array_add(json_layer, json_tmp);
 
@@ -276,8 +582,12 @@ static int checkPolicy(sd_event_source *source, void *data) {
     //         },
     json_tmp = json_object_new_object();
     addStateToJson("apps",
-                   crr_state.layer.apps.is_changed,
-                   stm::gStmLayoutNo2Name[crr_state.layer.apps.state],
+                   crr_state.layer[stm::gStmLayerNoApps].is_changed,
+#if 1
+                   pm::g_crr_layers["apps"].layout_state.name.c_str(),
+#else
+                   stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoApps].state],
+#endif
                    &json_tmp);
     json_object_array_add(json_layer, json_tmp);
 
@@ -289,8 +599,12 @@ static int checkPolicy(sd_event_source *source, void *data) {
     //         },
     json_tmp = json_object_new_object();
     addStateToJson("restriction",
-                   crr_state.layer.restriction.is_changed,
-                   stm::gStmLayoutNo2Name[crr_state.layer.restriction.state],
+                   crr_state.layer[stm::gStmLayerNoRestriction].is_changed,
+#if 1
+                   pm::g_crr_layers["restriction"].layout_state.name.c_str(),
+#else
+                   stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoRestriction].state],
+#endif
                    &json_tmp);
     json_object_array_add(json_layer, json_tmp);
 
@@ -302,8 +616,12 @@ static int checkPolicy(sd_event_source *source, void *data) {
     //         },
     json_tmp = json_object_new_object();
     addStateToJson("on_screen",
-                   crr_state.layer.on_screen.is_changed,
-                   stm::gStmLayoutNo2Name[crr_state.layer.on_screen.state],
+                   crr_state.layer[stm::gStmLayerNoOnScreen].is_changed,
+#if 1
+                   pm::g_crr_layers["on_screen"].layout_state.name.c_str(),
+#else
+                   stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoOnScreen].state],
+#endif
                    &json_tmp);
     json_object_array_add(json_layer, json_tmp);
 
@@ -318,11 +636,11 @@ static int checkPolicy(sd_event_source *source, void *data) {
     if (crr_state.car.is_changed) {
         if (stm::gStmCarStateNoRun == crr_state.car.state) {
             // Set delay event(restriction mode on)
-            checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_ON, 3000);
+            checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_ON, 3000, nullptr);
         }
         else if (stm::gStmCarStateNoStop == crr_state.car.state) {
             // Set event(restriction mode off)
-            checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_OFF, 0);
+            checkPolicyEntry(STM_EVT_NO_RESTRICTION_MODE_OFF, 0, nullptr);
 
             // Stop timer for restriction on event
             if (pm::event_source_list.find(STM_EVT_NO_RESTRICTION_MODE_ON)
@@ -348,8 +666,8 @@ static int checkPolicy(sd_event_source *source, void *data) {
     sd_event_source_unref(source);
 
     // Remove event source from list
-    if (pm::event_source_list.find(event) != pm::event_source_list.end()) {
-        pm::event_source_list.erase(event);
+    if (pm::event_source_list.find(event_data) != pm::event_source_list.end()) {
+        pm::event_source_list.erase(event_data);
     }
 
     HMI_DEBUG("wm:pm", ">>>>>>>>>> FINISH CHECK POLICY");
@@ -357,19 +675,29 @@ static int checkPolicy(sd_event_source *source, void *data) {
 }
 
 static int timerEvent(sd_event_source *source, uint64_t usec, void *data) {
-    checkPolicy(source, data);
+    int ret = checkPolicy(source, data);
+    return ret;
 };
 
-static int checkPolicyEntry(int event, uint64_t delay_ms)
+static int checkPolicyEntry(int event, uint64_t delay_ms, const char* role)
 {
     HMI_DEBUG("wm:pm", "Call");
     HMI_DEBUG("wm:pm", "event:0x%x", event);
 
+    // Store event info
+    if (nullptr == role) {
+        pm::g_event_info_list[event] = std::string("");
+    }
+    else {
+        pm::g_event_info_list[event] = std::string(role);
+    }
+
     if (0 == delay_ms) {
         int ret = sd_event_add_defer(pm::event_loop, NULL,
                                      &checkPolicy, new int(event));
         if (0 > ret) {
             HMI_ERROR("wm:pm", "Faild to sd_event_add_defer: errno:%d", ret);
+            pm::g_event_info_list.erase(event);
             return -1;
         }
     }
@@ -389,6 +717,7 @@ static int checkPolicyEntry(int event, uint64_t delay_ms)
                                     &timerEvent, new int(event));
         if (0 > ret) {
             HMI_ERROR("wm:pm", "Faild to sd_event_add_time: errno:%d", ret);
+            pm::g_event_info_list.erase(event);
             return -1;
         }
 
@@ -451,7 +780,7 @@ int PolicyManager::inputEvent(json_object* json_in) {
     }
 
     // Check policy
-    checkPolicyEntry((event_no | category_no | area_no), 0);
+    checkPolicyEntry((event_no | category_no | area_no), 0, role);
 
     return 0;
 }
@@ -552,6 +881,145 @@ int PolicyManager::loadRoleDb() {
     return 0;
 }
 
+extern const char* kDefaultLayoutDb;
+int PolicyManager::loadLayoutDb() {
+    HMI_DEBUG("wm:lm", "Call");
+
+    // Get afm application installed dir
+    char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
+    HMI_DEBUG("wm:pm", "afm_app_install_dir:%s", afm_app_install_dir);
+
+    std::string file_name;
+    if (!afm_app_install_dir) {
+        HMI_ERROR("wm:pm", "AFM_APP_INSTALL_DIR is not defined");
+    }
+    else {
+        file_name = std::string(afm_app_install_dir) + std::string("/etc/layout.db");
+    }
+
+    // Load layout.db
+    json_object* json_obj;
+    int ret = this->inputJsonFilie(file_name.c_str(), &json_obj);
+    if (0 > ret) {
+        HMI_DEBUG("wm:pm", "Could not open layout.db, so use default layout information");
+        json_obj = json_tokener_parse(kDefaultLayoutDb);
+    }
+    HMI_DEBUG("wm:pm", "json_obj dump:%s", json_object_get_string(json_obj));
+
+    // Perse layouts
+    HMI_DEBUG("wm:pm", "Perse layouts");
+    json_object* json_cfg;
+    if (!json_object_object_get_ex(json_obj, "layouts", &json_cfg)) {
+        HMI_ERROR("wm:pm", "Parse Error!!");
+        return -1;
+    }
+
+    int len = json_object_array_length(json_cfg);
+    HMI_DEBUG("wm:pm", "json_cfg len:%d", len);
+    HMI_DEBUG("wm:pm", "json_cfg dump:%s", json_object_get_string(json_cfg));
+
+    const char* layout;
+    const char* role;
+    const char* category;
+    for (int i=0; i<len; i++) {
+        json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
+
+        layout = this->getStringFromJson(json_tmp, "name");
+        if (nullptr == layout) {
+            HMI_ERROR("wm:pm", "Parse Error!!");
+            return -1;
+        }
+        HMI_DEBUG("wm:pm", "> layout:%s", layout);
+
+        json_object* json_area_array;
+        if (!json_object_object_get_ex(json_tmp, "areas", &json_area_array)) {
+          HMI_ERROR("wm:pm", "Parse Error!!");
+          return -1;
+        }
+
+        int len_area = json_object_array_length(json_area_array);
+        HMI_DEBUG("wm:pm", "json_area_array len:%d", len_area);
+        HMI_DEBUG("wm:pm", "json_area_array dump:%s", json_object_get_string(json_area_array));
+
+        pm::LayoutState layout_state;
+        pm::AreaState area_state;
+        std::map<std::string, int> category_num;
+        for (int ctg_no = stm::gStmCategoryNoMin;
+             ctg_no <= stm::gStmCategoryNoMax; ctg_no++) {
+            const char* ctg_name = stm::gStmCategoryName[ctg_no];
+            category_num[ctg_name] = 0;
+        }
+
+        for (int j=0; j<len_area; j++) {
+            json_object* json_area = json_object_array_get_idx(json_area_array, j);
+
+            // Get area name
+            const char* area = this->getStringFromJson(json_area, "name");
+            if (nullptr == area) {
+              HMI_ERROR("wm:pm", "Parse Error!!");
+              return -1;
+            }
+            area_state.name = std::string(area);
+            HMI_DEBUG("wm:pm", ">> area:%s", area);
+
+            // Get app attribute of the area
+            category = this->getStringFromJson(json_area, "category");
+            if (nullptr == category) {
+                HMI_ERROR("wm:pm", "Parse Error!!");
+                return -1;
+            }
+            area_state.category = std::string(category);
+            category_num[category]++;
+            HMI_DEBUG("wm:pm", ">>> category:%s", category);
+
+            role = this->getStringFromJson(json_area, "role");
+            if (nullptr != role) {
+                // Role is NOT essential here
+                area_state.role = std::string(role);
+                HMI_DEBUG("wm:pm", ">>> role:%s", role);
+            }
+
+            layout_state.area_list.push_back(area_state);
+
+        }
+
+        layout_state.name = layout;
+        layout_state.category_num = category_num;
+        pm::g_default_layouts[layout] = layout_state;
+    }
+
+    // initialize for none layout
+    pm::LayoutState none_layout_state;
+    memset(&none_layout_state, 0, sizeof(none_layout_state));
+    none_layout_state.name                 = "none";
+    pm::g_default_layouts["none"] = none_layout_state;
+
+    // Check
+    for(auto itr_layout = pm::g_default_layouts.begin();
+      itr_layout != pm::g_default_layouts.end(); ++itr_layout) {
+        HMI_DEBUG("wm:pm", ">>> layout:%s", itr_layout->first.c_str());
+
+        for (auto itr_area = itr_layout->second.area_list.begin();
+          itr_area != itr_layout->second.area_list.end(); ++itr_area) {
+            HMI_DEBUG("wm:pm", ">>> >>> area    :%s", itr_area->name.c_str());
+            HMI_DEBUG("wm:pm", ">>> >>> category:%s", itr_area->category.c_str());
+            HMI_DEBUG("wm:pm", ">>> >>> role    :%s", itr_area->role.c_str());
+#if 0
+            for (auto itr_role = itr_area->second.begin();
+              itr_role != itr_area->second.end(); ++itr_role) {
+                HMI_DEBUG("wm:pm", ">>> >>> >>> attribute:%s, name:%s",
+                          itr_role->first.c_str(), itr_role->second.c_str());
+            }
+#endif
+        }
+    }
+
+    // Release json_object
+    json_object_put(json_obj);
+
+    return 0;
+}
+
 // TODO:
 // This function will be removed because json_helper has same function.
 // json_helper should be library.
@@ -692,3 +1160,163 @@ const char* kDefaultRoleDb = "{ \
     } \
     ] \
 }";
+
+
+const char* kDefaultLayoutDb = "{ \
+    \"layouts\": [ \
+        { \
+            \"name\": \"pu\", \
+            \"layer\": \"on_screen\", \
+            \"areas\": [ \
+                { \
+                    \"name\": \"pop_up\", \
+                    \"role\": \"incomming_call\" \
+                } \
+            ] \
+        }, \
+        { \
+            \"name\": \"sa\", \
+            \"layer\": \"on_screen\", \
+            \"areas\": [ \
+                { \
+                    \"name\": \"system_alert\", \
+                    \"role\": \"system_alert\" \
+                } \
+            ] \
+        }, \
+        { \
+            \"name\": \"m1\", \
+            \"layer\": \"apps\", \
+            \"areas\": [ \
+                { \
+                    \"name\": \"normal\", \
+                    \"role\": \"map\" \
+                } \
+            ] \
+        }, \
+        { \
+            \"name\": \"m2\", \
+            \"layer\": \"apps\", \
+            \"areas\": [ \
+                { \
+                    \"name\": \"split.main\", \
+                    \"role\": \"map\" \
+                }, \
+                { \
+                    \"name\": \"split.sub\", \
+                    \"category\": \"hvac\" \
+                } \
+            ] \
+        }, \
+        { \
+            \"name\": \"mf\", \
+            \"layer\": \"apps\", \
+            \"areas\": [ \
+                { \
+                    \"name\": \"full\", \
+                    \"role\": \"map\" \
+                } \
+            ] \
+        }, \
+        { \
+            \"name\": \"s1\", \
+            \"layer\": \"apps\", \
+            \"areas\": [ \
+                { \
+                    \"name\": \"normal\", \
+                    \"category\": \"splitable\" \
+                } \
+            ] \
+        }, \
+        { \
+            \"name\": \"s2\", \
+            \"layer\": \"apps\", \
+            \"areas\": [ \
+                { \
+                    \"name\": \"split.main\", \
+                    \"category\": \"splitable\" \
+                }, \
+                { \
+                    \"name\": \"split.sub\", \
+                    \"category\": \"splitable\" \
+                } \
+            ] \
+        }, \
+        { \
+            \"name\": \"g\", \
+            \"layer\": \"apps\", \
+            \"areas\": [ \
+                { \
+                    \"name\": \"normal\", \
+                    \"category\": \"general\" \
+                } \
+            ] \
+        }, \
+        { \
+            \"name\": \"hs\", \
+            \"layer\": \"homescreen\", \
+            \"areas\": [ \
+                { \
+                    \"name\": \"full\", \
+                    \"role\": \"homescreen\" \
+                } \
+            ] \
+        } \
+    ], \
+    \"areas\": [ \
+        { \
+            \"name\": \"normal\", \
+            \"rect\": { \
+                \"x\": 0, \
+                \"y\": 218, \
+                \"w\": 1080, \
+                \"h\": 1488 \
+            } \
+        }, \
+        { \
+            \"name\": \"split.main\", \
+            \"rect\": { \
+                \"x\": 0, \
+                \"y\": 218, \
+                \"w\": 1080, \
+                \"h\": 744 \
+            } \
+        }, \
+        { \
+            \"name\": \"split.sub\", \
+            \"rect\": { \
+                \"x\": 0, \
+                \"y\": 962, \
+                \"w\": 1080, \
+                \"h\": 744 \
+            } \
+        }, \
+        { \
+            \"name\": \"full\", \
+            \"rect\": { \
+                \"x\": 0, \
+                \"y\": 0, \
+                \"w\": 1080, \
+                \"h\": 1920 \
+            } \
+        }, \
+        { \
+            \"name\": \"pop_up\", \
+            \"rect\": { \
+                \"x\": 0, \
+                \"y\": 640, \
+                \"w\": 1080, \
+                \"h\": 640 \
+            } \
+        }, \
+        { \
+            \"name\": \"system_alert\", \
+            \"rect\": { \
+                \"x\": 0, \
+                \"y\": 640, \
+                \"w\": 1080, \
+                \"h\": 640 \
+            } \
+        } \
+    ] \
+}";