Revert "Add PolicyManager as plugin"

This reverts commit 99b6f4d2fcd421d3a760a88a67e511fb6fc98068.

Change-Id: I8725ca05a3e3fa0ea9e1db935e9e7d5b85a9affd

1 files changed, 373 insertions, 131 deletions

diff --git a/src/window_manager.cpp b/src/window_manager.cpp
index b35c767..eadf7ff 100644
--- a/src/window_manager.cpp
+++ b/src/window_manager.cpp
@@ -55,7 +55,6 @@ const char kKeyIds[]         = "ids";
 
 static sd_event_source *g_timer_ev_src = nullptr;
 static AppList g_app_list;
-static WindowManager *g_context;
 
 namespace
 {
@@ -100,15 +99,6 @@ static int processTimerHandler(sd_event_source *s, uint64_t usec, void *userdata
     return 0;
 }
 
-static void onStateTransitioned(std::vector<WMAction> actions)
-{
-    g_context->startTransitionWrapper(actions);
-}
-
-static void onError()
-{
-    g_context->processError(WMError::LAYOUT_CHANGE_FAIL);
-}
 } // namespace
 
 /**
@@ -174,15 +164,6 @@ int WindowManager::init()
     // Load old_role.db
     this->loadOldRoleDb();
 
-    // Store my context for calling callback from PolicyManager
-    g_context = this;
-
-    // Initialize PMWrapper
-    this->pmw.initialize();
-
-    // Register callback to PolicyManager
-    this->pmw.registerCallback(onStateTransitioned, onError);
-
     // Make afb event
     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
     {
@@ -465,9 +446,6 @@ void WindowManager::api_enddraw(char const *appid, char const *drawing_name)
         if(ret != WMError::SUCCESS)
         {
             //this->emit_error();
-
-            // Undo state of PolicyManager
-            this->pmw.undoState();
         }
         this->emitScreenUpdated(current_req);
         HMI_SEQ_INFO(current_req, "Finish request status: %s", errorDescription(ret));
@@ -530,6 +508,18 @@ result<json_object *> WindowManager::api_get_area_info(char const *drawing_name)
         return Err<json_object *>("Surface is not on any layer!");
     }
 
+    auto o_state = *this->layers.get_layout_state(*surface_id);
+    if (o_state == nullptr)
+    {
+        return Err<json_object *>("Could not find layer for surface");
+    }
+
+    struct LayoutState &state = *o_state;
+    if ((state.main != *surface_id) && (state.sub != *surface_id))
+    {
+        return Err<json_object *>("Surface is inactive");
+    }
+
     // Set area rectangle
     compositor::rect area_info = this->area_info[*surface_id];
     json_object *object = json_object_new_object();
@@ -630,82 +620,6 @@ void WindowManager::timerHandler()
     this->processNextRequest();
 }
 
-void WindowManager::startTransitionWrapper(std::vector<WMAction> &actions)
-{
-    WMError ret;
-    unsigned req_num = g_app_list.currentRequestNumber();
-
-    if (actions.empty())
-    {
-        if (g_app_list.haveRequest())
-        {
-            HMI_SEQ_DEBUG(req_num, "There is no WMAction for this request");
-            goto proc_remove_request;
-        }
-        else
-        {
-            HMI_SEQ_DEBUG(req_num, "There is no request");
-            return;
-        }
-    }
-
-    for (auto &act : actions)
-    {
-        if ("" != act.role)
-        {
-            bool found;
-            auto const &surface_id = this->lookup_id(act.role.c_str());
-            std::string appid = g_app_list.getAppID(*surface_id, act.role, &found);
-            if (!found)
-            {
-                goto error;
-            }
-            act.appid = appid;
-        }
-
-        ret = g_app_list.setAction(req_num, act);
-        if (ret != WMError::SUCCESS)
-        {
-            goto error;
-        }
-    }
-
-    HMI_SEQ_DEBUG(req_num, "Start transition.");
-    ret = this->startTransition(req_num);
-    if (ret != WMError::SUCCESS)
-    {
-        if (ret == WMError::NO_LAYOUT_CHANGE)
-        {
-            goto proc_remove_request;
-        }
-        else
-        {
-            goto error;
-        }
-    }
-
-    return;
-
-error:
-    //this->emit_error()
-    HMI_SEQ_ERROR(req_num, errorDescription(ret));
-    this->pmw.undoState();
-
-proc_remove_request:
-    g_app_list.removeRequest(req_num);
-    this->processNextRequest();
-}
-
-void WindowManager::processError(WMError error)
-{
-    unsigned req_num = g_app_list.currentRequestNumber();
-
-    //this->emit_error()
-    HMI_SEQ_ERROR(req_num, errorDescription(error));
-    g_app_list.removeRequest(req_num);
-    this->processNextRequest();
-}
-
 /*
  ******* Private Functions *******
  */
@@ -1016,6 +930,12 @@ WMError WindowManager::doTransition(unsigned req_num)
 {
     HMI_SEQ_DEBUG(req_num, "check policy");
     WMError ret = this->checkPolicy(req_num);
+    if (ret != WMError::SUCCESS)
+    {
+        return ret;
+    }
+    HMI_SEQ_DEBUG(req_num, "Start transition.");
+    ret = this->startTransition(req_num);
     return ret;
 }
 
@@ -1026,6 +946,7 @@ WMError WindowManager::checkPolicy(unsigned req_num)
     */
     // get current trigger
     bool found = false;
+    bool split = false;
     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
     auto trigger = g_app_list.getRequest(req_num, &found);
     if (!found)
@@ -1035,33 +956,89 @@ WMError WindowManager::checkPolicy(unsigned req_num)
     }
     std::string req_area = trigger.area;
 
+    // >>>> Compatible with current window manager until policy manager coming
     if (trigger.task == Task::TASK_ALLOCATE)
     {
+        HMI_SEQ_DEBUG(req_num, "Check split or not");
         const char *msg = this->check_surface_exist(trigger.role.c_str());
 
         if (msg)
         {
             HMI_SEQ_ERROR(req_num, msg);
+            ret = WMError::LAYOUT_CHANGE_FAIL;
             return ret;
         }
-    }
 
-    // Input event data to PolicyManager
-    if (0 > this->pmw.setInputEventData(trigger.task, trigger.role, trigger.area))
+        auto const &surface_id = this->lookup_id(trigger.role.c_str());
+        auto o_state = *this->layers.get_layout_state(*surface_id);
+        struct LayoutState &state = *o_state;
+
+        unsigned curernt_sid = state.main;
+        split = this->can_split(state, *surface_id);
+
+        if (split)
+        {
+            HMI_SEQ_DEBUG(req_num, "Split happens");
+            // Get current visible role
+            std::string add_role = this->lookup_name(state.main).value();
+            // Set next area
+            std::string add_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
+            // Change request area
+            req_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
+            HMI_SEQ_NOTICE(req_num, "Change request area from %s to %s, because split happens",
+                                trigger.area.c_str(), req_area.c_str());
+            // set another action
+            std::string add_name = g_app_list.getAppID(curernt_sid, add_role, &found);
+            if (!found)
+            {
+                HMI_SEQ_ERROR(req_num, "Couldn't widhdraw with surfaceID : %d", curernt_sid);
+                ret = WMError::NOT_REGISTERED;
+                return ret;
+            }
+            HMI_SEQ_INFO(req_num, "Additional split app %s, role: %s, area: %s",
+                         add_name.c_str(), add_role.c_str(), add_area.c_str());
+            // Set split action
+            bool end_draw_finished = false;
+            WMAction split_action{
+                add_name,
+                add_role,
+                add_area,
+                TaskVisible::VISIBLE,
+                end_draw_finished};
+            WMError ret = g_app_list.setAction(req_num, split_action);
+            if (ret != WMError::SUCCESS)
+            {
+                HMI_SEQ_ERROR(req_num, "Failed to set action");
+                return ret;
+            }
+            g_app_list.reqDump();
+        }
+    }
+    else
     {
-        HMI_SEQ_ERROR(req_num, "Failed to set input event data to PolicyManager");
-        return ret;
+        HMI_SEQ_DEBUG(req_num, "split doesn't happen");
     }
 
-    // Execute state transition of PolicyManager
-    if (0 > this->pmw.executeStateTransition())
+    // Set invisible task(Remove if policy manager finish)
+    ret = this->setInvisibleTask(trigger.role, split);
+    if(ret != WMError::SUCCESS)
     {
-        HMI_SEQ_ERROR(req_num, "Failed to execute state transition of PolicyManager");
+        HMI_SEQ_ERROR(req_num, "Failed to set invisible task: %s", errorDescription(ret));
         return ret;
     }
 
-    ret = WMError::SUCCESS;
+    /*  get new status from Policy Manager */
+    HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
+    if(trigger.role == "homescreen")
+    {
+        // TODO : Remove when Policy Manager completed
+        HMI_SEQ_NOTICE(req_num, "Hack. This process will be removed. Change HomeScreen code!!");
+        req_area = "fullscreen";
+    }
+    TaskVisible task_visible =
+        (trigger.task == Task::TASK_ALLOCATE) ? TaskVisible::VISIBLE : TaskVisible::INVISIBLE;
 
+    ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, req_area, task_visible);
     g_app_list.reqDump();
 
     return ret;
@@ -1083,7 +1060,7 @@ WMError WindowManager::startTransition(unsigned req_num)
 
     for (const auto &action : actions)
     {
-        if (action.visible == TaskVisible::VISIBLE)
+        if (action.visible != TaskVisible::INVISIBLE)
         {
             sync_draw_happen = true;
 
@@ -1114,11 +1091,155 @@ WMError WindowManager::startTransition(unsigned req_num)
                 this->deactivate(client->surfaceID(x.role));
             }
         }
-        ret = WMError::NO_LAYOUT_CHANGE;
+        ret = NO_LAYOUT_CHANGE;
     }
     return ret;
 }
 
+WMError WindowManager::setInvisibleTask(const std::string &role, bool split)
+{
+    unsigned req_num = g_app_list.currentRequestNumber();
+    HMI_SEQ_DEBUG(req_num, "set current visible app to invisible task");
+    // This task is copied from original actiavete surface
+    const char *drawing_name = this->rolenew2old[role].c_str();
+    auto const &surface_id = this->lookup_id(role.c_str());
+    auto layer_id = this->layers.get_layer_id(*surface_id);
+    auto o_state = *this->layers.get_layout_state(*surface_id);
+    struct LayoutState &state = *o_state;
+    std::string add_name, add_role;
+    std::string add_area = "";
+    int surface;
+    TaskVisible task_visible = TaskVisible::INVISIBLE;
+    bool end_draw_finished = true;
+    bool found = false;
+
+    for (auto const &l : this->layers.mapping)
+    {
+        if (l.second.layer_id <= *layer_id)
+        {
+            continue;
+        }
+        HMI_DEBUG("wm", "debug: main %d , sub : %d", l.second.state.main, l.second.state.sub);
+        if (l.second.state.main != -1)
+        {
+            //this->deactivate(l.second.state.main);
+            surface = l.second.state.main;
+            add_role = *this->id_alloc.lookup(surface);
+            add_name = g_app_list.getAppID(surface, add_role, &found);
+            if(!found){
+                return WMError::NOT_REGISTERED;
+            }
+            HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
+            WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
+            g_app_list.setAction(req_num, act);
+            l.second.state.main = -1;
+        }
+
+        if (l.second.state.sub != -1)
+        {
+            //this->deactivate(l.second.state.sub);
+            surface = l.second.state.sub;
+            add_role = *this->id_alloc.lookup(surface);
+            add_name = g_app_list.getAppID(surface, add_role, &found);
+            if (!found)
+            {
+                return WMError::NOT_REGISTERED;
+            }
+            HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
+            WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
+            g_app_list.setAction(req_num, act);
+            l.second.state.sub = -1;
+        }
+    }
+
+    // change current state here, but this is hack
+    auto layer = this->layers.get_layer(*layer_id);
+
+    if (state.main == -1)
+    {
+        HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
+    }
+    else
+    {
+        if (0 != strcmp(drawing_name, "HomeScreen"))
+        {
+            if (split)
+            {
+                if (state.sub != *surface_id)
+                {
+                    if (state.sub != -1)
+                    {
+                        //this->deactivate(state.sub);
+                        WMAction deact_sub;
+                        deact_sub.role =
+                            std::move(*this->id_alloc.lookup(state.sub));
+                        deact_sub.area = add_area;
+                        deact_sub.appid = g_app_list.getAppID(state.sub, deact_sub.role, &found);
+                        if (!found)
+                        {
+                            HMI_SEQ_ERROR(req_num, "App doesn't exist for role : %s",
+                                            deact_sub.role.c_str());
+                            return WMError::NOT_REGISTERED;
+                        }
+                        deact_sub.visible = task_visible;
+                        deact_sub.end_draw_finished = end_draw_finished;
+                        HMI_SEQ_DEBUG(req_num, "Set invisible task for %s", deact_sub.appid.c_str());
+                        g_app_list.setAction(req_num, deact_sub);
+                    }
+                }
+                //state = LayoutState{state.main, *surface_id};
+            }
+            else
+            {
+                HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
+
+                //this->surface_set_layout(*surface_id);
+                if (state.main != *surface_id)
+                {
+                    // this->deactivate(state.main);
+                    WMAction deact_main;
+                    deact_main.role = std::move(*this->id_alloc.lookup(state.main));
+                    ;
+                    deact_main.area = add_area;
+                    deact_main.appid = g_app_list.getAppID(state.main, deact_main.role, &found);
+                    if (!found)
+                    {
+                        HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
+                        return WMError::NOT_REGISTERED;
+                    }
+                    deact_main.visible = task_visible;
+                    deact_main.end_draw_finished = end_draw_finished;
+                    HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
+                    g_app_list.setAction(req_num, deact_main);
+                }
+                if (state.sub != -1)
+                {
+                    if (state.sub != *surface_id)
+                    {
+                        //this->deactivate(state.sub);
+                        WMAction deact_sub;
+                        deact_sub.role = std::move(*this->id_alloc.lookup(state.sub));
+                        ;
+                        deact_sub.area = add_area;
+                        deact_sub.appid = g_app_list.getAppID(state.sub, deact_sub.role, &found);
+                        if (!found)
+                        {
+                            HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
+                            return WMError::NOT_REGISTERED;
+                        }
+                        deact_sub.visible = task_visible;
+                        deact_sub.end_draw_finished = end_draw_finished;
+                        HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
+                        g_app_list.setAction(req_num, deact_sub);
+                    }
+                }
+                //state = LayoutState{*surface_id};
+            }
+        }
+    }
+    return WMError::SUCCESS;
+}
+
 WMError WindowManager::doEndDraw(unsigned req_num)
 {
     // get actions
@@ -1136,36 +1257,36 @@ WMError WindowManager::doEndDraw(unsigned req_num)
     // layout change and make it visible
     for (const auto &act : actions)
     {
-        if(act.visible != TaskVisible::NO_CHANGE)
+        // layout change
+        if(!g_app_list.contains(act.appid)){
+            ret = WMError::NOT_REGISTERED;
+        }
+        ret = this->layoutChange(act);
+        if(ret != WMError::SUCCESS)
         {
-            // layout change
-            if(!g_app_list.contains(act.appid)){
-                ret = WMError::NOT_REGISTERED;
-            }
-            ret = this->layoutChange(act);
-            if(ret != WMError::SUCCESS)
-            {
-                HMI_SEQ_WARNING(req_num,
-                    "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
-                return ret;
-            }
-            ret = this->visibilityChange(act);
-            if (ret != WMError::SUCCESS)
-            {
-                HMI_SEQ_WARNING(req_num,
-                    "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
-                return ret;
-            }
-            HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
-            //this->lm_enddraw(act.role.c_str());
+            HMI_SEQ_WARNING(req_num,
+                "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
+            return ret;
         }
+        ret = this->visibilityChange(act);
+        if (ret != WMError::SUCCESS)
+        {
+            HMI_SEQ_WARNING(req_num,
+                "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
+            return ret;
+        }
+        HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
+        //this->lm_enddraw(act.role.c_str());
     }
 
+    // Change current state
+    this->changeCurrentState(req_num);
+
     HMI_SEQ_INFO(req_num, "emit flushDraw");
 
     for(const auto &act_flush : actions)
     {
-        if(act_flush.visible == TaskVisible::VISIBLE)
+        if(act_flush.visible != TaskVisible::INVISIBLE)
         {
             // TODO: application requests by old role,
             //       so convert role new to old for emitting event
@@ -1231,6 +1352,74 @@ WMError WindowManager::setSurfaceSize(unsigned surface, const std::string &area)
     return WMError::SUCCESS;
 }
 
+WMError WindowManager::changeCurrentState(unsigned req_num)
+{
+    HMI_SEQ_DEBUG(req_num, "Change current layout state");
+    bool trigger_found = false, action_found = false;
+    auto trigger = g_app_list.getRequest(req_num, &trigger_found);
+    auto actions = g_app_list.getActions(req_num, &action_found);
+    if (!trigger_found || !action_found)
+    {
+        HMI_SEQ_ERROR(req_num, "Action not found");
+        return WMError::LAYOUT_CHANGE_FAIL;
+    }
+
+    // Layout state reset
+    struct LayoutState reset_state{-1, -1};
+    HMI_SEQ_DEBUG(req_num,"Reset layout state");
+    for (const auto &action : actions)
+    {
+        if(!g_app_list.contains(action.appid)){
+            return WMError::NOT_REGISTERED;
+        }
+        auto client = g_app_list.lookUpClient(action.appid);
+        auto pCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
+        if(pCurState == nullptr)
+        {
+            HMI_SEQ_ERROR(req_num, "Counldn't find current status");
+            continue;
+        }
+        pCurState->main = reset_state.main;
+        pCurState->sub = reset_state.sub;
+    }
+
+    HMI_SEQ_DEBUG(req_num, "Change state");
+    for (const auto &action : actions)
+    {
+        auto client = g_app_list.lookUpClient(action.appid);
+        auto pLayerCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
+        if (pLayerCurState == nullptr)
+        {
+            HMI_SEQ_ERROR(req_num, "Counldn't find current status");
+            continue;
+        }
+        int surface = -1;
+
+        if (action.visible != TaskVisible::INVISIBLE)
+        {
+            surface = (int)client->surfaceID(action.role);
+            HMI_SEQ_INFO(req_num, "Change %s surface : %d, state visible area : %s",
+                            action.role.c_str(), surface, action.area.c_str());
+            // visible == true -> layout changes
+            if(action.area == "normal.full" || action.area == "split.main")
+            {
+                pLayerCurState->main = surface;
+            }
+            else if (action.area == "split.sub")
+            {
+                pLayerCurState->sub = surface;
+            }
+            else
+            {
+                // normalfull
+                pLayerCurState->main = surface;
+            }
+        }
+    }
+
+    return WMError::SUCCESS;
+}
+
 void WindowManager::emitScreenUpdated(unsigned req_num)
 {
     // Get visible apps
@@ -1432,10 +1621,63 @@ const char *WindowManager::check_surface_exist(const char *drawing_name)
         return "Surface is not on any layer!";
     }
 
+    auto o_state = *this->layers.get_layout_state(*surface_id);
+
+    if (o_state == nullptr)
+    {
+        return "Could not find layer for surface";
+    }
+
     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
     return nullptr;
 }
 
+bool WindowManager::can_split(struct LayoutState const &state, int new_id)
+{
+    if (state.main != -1 && state.main != new_id)
+    {
+        auto new_id_layer = this->layers.get_layer_id(new_id).value();
+        auto current_id_layer = this->layers.get_layer_id(state.main).value();
+
+        // surfaces are on separate layers, don't bother.
+        if (new_id_layer != current_id_layer)
+        {
+            return false;
+        }
+
+        std::string const &new_id_str = this->lookup_name(new_id).value();
+        std::string const &cur_id_str = this->lookup_name(state.main).value();
+
+        auto const &layer = this->layers.get_layer(new_id_layer);
+
+        HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
+
+        if (layer->layouts.empty())
+        {
+            return false;
+        }
+
+        for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
+        {
+            HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
+            auto rem = std::regex(i->main_match);
+            if (std::regex_match(cur_id_str, rem))
+            {
+                // build the second one only if the first already matched
+                HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
+                auto res = std::regex(i->sub_match);
+                if (std::regex_match(new_id_str, res))
+                {
+                    HMI_DEBUG("wm", "layout matched!");
+                    return true;
+                }
+            }
+        }
+    }
+
+    return false;
+}
+
 const char* WindowManager::kDefaultOldRoleDb = "{ \
     \"old_roles\": [ \
         { \