PolicyManager manage layout information (area, category, role)
[apps/agl-service-windowmanager.git] / src / policy_manager / policy_manager.cpp
index 73f9350..2429cf2 100644 (file)
@@ -33,17 +33,33 @@ extern "C" {
 
 
 namespace pm {
-typedef std::unordered_map<std::string, std::string>  AppAttribute;
-typedef std::unordered_map<std::string, AppAttribute> AreasState;
-typedef std::unordered_map<std::string, AreasState>   LayoutState;
-typedef std::unordered_map<std::string, LayoutState>  LayersState;
+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;
+} 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;
-LayersState g_prv_layers;
-LayersState g_crr_layers;
-LayoutState g_default_layout_state;
+
+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
 
 
@@ -69,7 +85,7 @@ 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];
     }
@@ -94,17 +110,19 @@ int PolicyManager::initialize() {
     }
 
     // Initialize current/previous state of layers
-    pm::AppAttribute init_app;
-    pm::AreasState init_area;
+    pm::AreaState init_area;
     pm::LayoutState init_layout;
-    init_app["role"] = "none";
-    init_area["none"] = init_app;
-    init_layout["none"] = init_area;
-
-    pm::g_crr_layers["homescreen"]  = init_layout;
-    pm::g_crr_layers["apps"]        = init_layout;
-    pm::g_crr_layers["restriction"] = init_layout;
-    pm::g_crr_layers["on_screen"]   = 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
@@ -155,25 +173,25 @@ 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;
@@ -220,53 +238,98 @@ static int checkPolicy(sd_event_source *source, void *data) {
               crr_state.layer[stm::gStmLayerNoOnScreen].state,
               stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoOnScreen].state]);
 
-#if 0 // @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+#if 1 // @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
     // Store previous layers
     pm::g_prv_layers = pm::g_crr_layers;
 
-    std::string layer_name = "homescreen";
-
-    // changed?
-    if (crr_state.layer[stm::gStmLayerNoHomescreen].is_changed) {
-        // Get previous layout name of this layer
-        pm::LayoutState prv_layout_state =  pm::g_prv_layers[layer_name];
-        std::string prv_layout_name = prv_homescreen_layout_state.first();
-
-        // Get current layout name of this layer
-        std::string crr_layout_name = std::string(stm::gStmLayoutNo2Name[crr_state.layer[stm::gStmLayerNoHomescreen].state]);
-
-        // Compare layout name
-        pm::LayoutState crr_layout_state;
-        if ("none" == crr_layout_name) {
-            // If current layout is "none",
-            // current areas is set with "none"
-            HMI_DEBUG("wm:pm", "Current layout is \"none\"");
-                HMI_DEBUG("wm:lm", "Current layout is \"none\"");
-                pm::AppAttribute crr_app_attribute;
-                pm::AreasState crr_areas_state;
-                crr_app_attribute["role"] = "none";
-                crr_areas_state["none"] = "none";
-                crr_layout_state["none"] = crr_areas_state;
+    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]);
+
+    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];
         }
-        else {
-            if (prv_layout_name == crr_layout_name) {
-                // If previous layout is same with current,
-                // previous areas are copied to current
-                crr_layout_state[crr_layout_name] = pm::g_prv_layers[layer_name][crr_layout_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
             }
-            else {
-                // If previous layout is same with current,
-                // previous areas are copied to current
-                crr_layout_state[crr_layout_name] = this->default_layout_state[crr_layout_name];
+            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);
             }
+            else {
+                if (prv_layout_name == crr_layout_name) {
+                    // If previous layout is same with current,
+                    // previous areas are copied to current
+                    HMI_DEBUG("wm:lm", "Previous layout is same with current");
+                    crr_layout_state = prv_layout_state;
+                }
+                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 = pm::g_default_layouts[crr_layout_name];
+                }
 
-            // Update role in new area
+                // Update role in new area
 #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");
+                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
@@ -276,36 +339,113 @@ static int checkPolicy(sd_event_source *source, void *data) {
 #endif
                 }
                 else {
-                    HMI_DEBUG("wm:lm", "Get new_area for new role");
-                    // Get new_area for new role
-                    std::string new_area = this->getAreaName(this->layout_define_[crr_layout_name],
-                                                             new_role, category);
 
-                    if ("none" == new_area) {
-                        HMI_DEBUG("wm:lm", "It is not necessary to update role of areas in this layer, because new_role is not specified for this layer");
+                    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/current app
+                        std::vector<pm::AreaState> area_list;
+                        for (pm::AreaState area_state : prv_layout_state.area_list) {
+                            if (std::string(ctg) == area_state.category) {
+                                HMI_DEBUG("wm:pm", "push area_state to prv list");
+                                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);
+
+                        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");
+                                for (auto i = area_list.begin(); i != area_list.end(); ++i) {
+                                    if ((role == i->role) && (area == i->name)) {
+                                        HMI_DEBUG("wm:pm", "remove requested role data");
+                                        area_list.erase(i);
+                                    }
+                                }
+                            }
+                            else {
+                                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", "remove the oldest area data for adding requested role");
+                                    area_list.erase(area_list.begin());
+                                }
+                            }
+                        }
+
+                        // Check
+                        for (pm::AreaState area_state : prv_layout_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;
                     }
-                    else {
-                        // Is there new_area?
-                        // if there is new_area, set new role there
 
-                        // if NOT, find same category of new_role
-                            // pop old role and shift area
-                            // push new role and set area
+                    if (event == "activate") {
+                        // First, update area for requested role
+                        bool updated = false;
+                        for (pm::AreaState &as : crr_layout_state.area_list) {
+                            if ((as.category == category) && (as.name == area)) {
+                                as.role = role;
+                                updated = true;
+                                break;
+                            }
+                        }
+
+                        // If NOT updated: there is not requested area in new layout, 
+                        // requested role is used later.
+                        if (!updated) {
+                            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) {
 
-                        // Update role in new area
-                        // because new_role is specified for this layer
-                        TypeRolCtg crr_role;
-                        crr_role["role"] = std::string(new_role);
-                        crr_layout[crr_layout_name][new_area] = crr_role;
+                        // This conditional expression is useful in only activate
+                        if (as.role != role) {
+                            as.role = ctg_list[as.category].begin()->role;
+                            ctg_list[as.category].erase(ctg_list[as.category].begin());
+                        }
                     }
                 }
             }
+            // Update current layout of this layer
+            pm::g_crr_layers[layer_name].layout_state = crr_layout_state;
         }
+    }
 
-        // Update current layout of this layer
-        pm::g_crr_layers[layer_name] = 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 // @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
 
@@ -436,11 +576,11 @@ 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)
@@ -466,8 +606,8 @@ 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");
@@ -475,19 +615,29 @@ 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;
         }
     }
@@ -507,6 +657,7 @@ 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;
         }
 
@@ -569,7 +720,7 @@ 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;
 }
@@ -730,7 +881,15 @@ int PolicyManager::loadLayoutDb() {
         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::AreasState areas_state;
+        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);
 
@@ -740,45 +899,52 @@ int PolicyManager::loadLayoutDb() {
               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
-            pm::AppAttribute app_attribute;
             category = this->getStringFromJson(json_area, "category");
             if (nullptr == category) {
                 HMI_ERROR("wm:pm", "Parse Error!!");
                 return -1;
             }
-            app_attribute["category"] = std::string(category);
+            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
-                app_attribute["role"] = std::string(role);
+                area_state.role = std::string(role);
                 HMI_DEBUG("wm:pm", ">>> role:%s", role);
             }
 
-            areas_state[area] = app_attribute;
+            layout_state.area_list.push_back(area_state);
+
         }
 
-        pm::g_default_layout_state[layout] = areas_state;
+        layout_state.name = layout;
+        layout_state.category_num = category_num;
+        pm::g_default_layouts[layout] = layout_state;
     }
 
     // Check
-    for(auto itr_layout = pm::g_default_layout_state.begin();
-      itr_layout != pm::g_default_layout_state.end(); ++itr_layout) {
+    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.begin();
-          itr_area != itr_layout->second.end(); ++itr_area) {
-            HMI_DEBUG("wm:pm", ">>> >>> area:%s", itr_area->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
         }
     }