From be2a72a0759f50e0f76b45382772ed039a60e44f Mon Sep 17 00:00:00 2001
From: Kazumasa Mitsunari <knimitz@witz-inc.co.jp>
Date: Fri, 8 Jun 2018 15:35:39 +0900
Subject: 2nd Step : Implement overview into app.cpp for set_role

API is not implemented.(Comment out now)

Change-Id: I1287c64cb9b5bd0ebdeb7b3220934106a5fbdd25
Signed-off-by: Kazumasa Mitsunari <knimitz@witz-inc.co.jp>
---
 src/app.cpp  | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 src/app.hpp  |  2 +-
 src/main.cpp |  7 ++++++-
 3 files changed, 72 insertions(+), 3 deletions(-)

diff --git a/src/app.cpp b/src/app.cpp
index 41b52c4..4d9e969 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -1266,9 +1266,73 @@ char const *App::api_request_surface(char const *appid, char const *drawing_name
     return nullptr;
 }
 
-void App::api_set_role(char const *appid, char const *drawing_name, unsigned pid){
+/**
+ * This function is substitute of requestSurface
+ * If surface creation is faster than application request of this function,
+ * WM will bind surfaceID with application and role.
+ * If surface creation is slower than application request of thie function,
+ * WM will put Client into pending list.
+ *
+ * Note :
+ * Application can request with pid but this is temporary solution for now.
+ * This will be removed.
+ * */
+bool App::api_set_role(char const *appid, char const *drawing_name, unsigned pid){
     std::string id = appid;
     std::string role = drawing_name;
+    unsigned surface = 0;
+    WMError wm_err = WMError::UNKNOWN;
+    bool ret = false;
+
+    // get layer ID which role should be in
+    auto lid = this->layers.get_layer_id(role);
+    if (!lid)
+    {
+        /**
+       * register drawing_name as fallback and make it displayed.
+       */
+        lid = this->layers.get_layer_id(std::string("Fallback"));
+        HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", role.c_str());
+        if (!lid)
+        {
+            HMI_ERROR("wm", "Drawing name does not match any role, Fallback is disabled");
+            return ret;
+        }
+    }
+
+    if(0 != pid){
+        // search floating surfaceID from pid if pid is designated.
+        // It is not good that application request with its pid
+        //wm_err = g_app_list.lookUpFloatingSurface(pid, &surface);
+    }
+    else{
+        // get floating surface with appid. If WM queries appid from pid,
+        // WM can bind appid and role to surface (not implemented yet)
+        //wm_err = g_app_list.lookUpFloatingSurface(id);
+    }
+    if(wm_err != WMError::SUCCESS){
+        HMI_ERROR("wm", "No floating surface for app: %s", id.c_str());
+        //g_app_list.addFloatingClient(id, *lid, role);
+        HMI_NOTICE("wm", "%s : Waiting for surface creation", id.c_str());
+        return ret;
+    }
+
+    ret = true;
+    if (g_app_list.contains(id))
+    {
+        HMI_INFO("wm", "Add role: %s with surface: %d. Client %s has multi surfaces.",
+                 role.c_str(), surface, id.c_str());
+        //wm_err = g_app_list.appendRole(id, surface, role);
+        if(wm_err != WMError::SUCCESS){
+            HMI_INFO("wm", errorDescription(wm_err));
+        }
+    }
+    else{
+        HMI_INFO("wm", "Create new client: %s, surface: %d into layer: %d with role: %s",
+                 id.c_str(), surface, *lid, role.c_str());
+        g_app_list.addClient(id, *lid, surface, role);
+    }
+    return ret;
 }
 
 result<json_object *> App::api_get_display_info()
diff --git a/src/app.hpp b/src/app.hpp
index a9b3961..4aaed50 100644
--- a/src/app.hpp
+++ b/src/app.hpp
@@ -220,7 +220,7 @@ struct App
 
     result<int> api_request_surface(char const *appid, char const *drawing_name);
     char const *api_request_surface(char const *appid, char const *drawing_name, char const *ivi_id);
-    void api_set_role(char const *appid, char const *drawing_name, unsigned pid);
+    bool api_set_role(char const *appid, char const *drawing_name, unsigned pid);
     void api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply);
     void api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply);
     void api_enddraw(char const *appid, char const *drawing_name);
diff --git a/src/main.cpp b/src/main.cpp
index be8db1d..c1bc910 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -359,7 +359,12 @@ void windowmanager_setrole(afb_req req) noexcept
             pid = std::stol(a_pid);
         }
 
-        g_afb_instance->app.api_set_role(appid.c_str(), a_role, pid);
+        bool ret = g_afb_instance->app.api_set_role(appid.c_str(), a_role, pid);
+        if (!ret)
+        {
+            afb_req_fail(req, "failed", "Couldn't register");
+            return;
+        }
 
         if (isFirstReq)
         {
-- 
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