Add error event

Change-Id: I774a364cdb3cb1bce38ceab43c5abdab1434dae8
Signed-off-by: Kazumasa Mitsunari <knimitz@witz-inc.co.jp>

2 files changed, 34 insertions, 0 deletions

diff --git a/src/libwindowmanager.cpp b/src/libwindowmanager.cpp
index 551ef58..5ed4def 100644
--- a/src/libwindowmanager.cpp
+++ b/src/libwindowmanager.cpp
@@ -77,6 +77,7 @@ class LibWindowmanager::Impl {
     void setSyncDrawHandler(sync_draw_handler f);
     void setFlushDrawHandler(flush_draw_handler f);
     void setScreenUpdatedHandler(screen_update_handler f);
+    void setErrorHandler(error_handler f);
 
     Impl();
     ~Impl();
@@ -102,6 +103,7 @@ private:
     sync_draw_handler _on_sync_draw = nullptr;
     flush_draw_handler _on_flush_draw = nullptr;
     screen_update_handler _on_screen_updated = nullptr;
+    error_handler _on_error = nullptr;
 };
 
 namespace {
@@ -660,6 +662,7 @@ void LibWindowmanager::Impl::setFlushDrawHandler(flush_draw_handler f) {
     }
     this->_on_flush_draw = f;
 }
+
 void LibWindowmanager::Impl::setScreenUpdatedHandler(screen_update_handler f) {
     struct json_object* j = json_object_new_object();
     json_object_object_add(j, "event", json_object_new_int(Event_ScreenUpdated));
@@ -672,6 +675,18 @@ void LibWindowmanager::Impl::setScreenUpdatedHandler(screen_update_handler f) {
     this->_on_screen_updated = f;
 }
 
+void LibWindowmanager::Impl::setErrorHandler(error_handler f) {
+    struct json_object* j = json_object_new_object();
+    json_object_object_add(j, "event", json_object_new_int(Event_Error));
+
+    int ret = afb_wsj1_call_j(this->wsj1, wmAPI, "wm_subscribe", j, _on_reply_static, this);
+    if (0 > ret) {
+        HMI_ERROR("libwm", "Failed to subscribe event");
+        return;
+    }
+    this->_on_error = f;
+}
+
 namespace {
 std::pair<bool, LibWindowmanager::EventType> make_event_type(char const *et) {
     // Event have the form "$API/$EVENT", just try to find the first / and
@@ -844,6 +859,18 @@ void LibWindowmanager::Impl::event(char const *et, json_object *object) {
                 return _on_screen_updated(id_list);
             }
             break;
+        case Event_Error :
+            if(_on_error) {
+                // emit this case
+                json_object_object_get_ex(object, "error", &j_val);
+                int error = json_object_get_int(j_val);
+                json_object_object_get_ex(object, "errorDescription", &j_val);
+                const char* desc = json_object_get_string(j_val);
+                return _on_error(error, desc);
+            }
+            break;
+        default :
+            break;
     }
 
     auto i = this->handlers.find(oet.second);
@@ -1057,6 +1084,11 @@ void LibWindowmanager::setScreenUpdatedHandler(screen_update_handler f) {
     return this->d->setScreenUpdatedHandler(f);
 }
 
+void LibWindowmanager::setErrorHandler(error_handler f) {
+    return this->d->setErrorHandler(f);
+}
+
+
 LibWindowmanager::LibWindowmanager() : d(new Impl) {}
 
 LibWindowmanager::~LibWindowmanager() { delete d; }
diff --git a/src/libwindowmanager.h b/src/libwindowmanager.h
index fe3b204..0f6dbc4 100644
--- a/src/libwindowmanager.h
+++ b/src/libwindowmanager.h
@@ -81,6 +81,7 @@ public:
     using sync_draw_handler = std::function<void(const char*, const char*, const Rect&)>;
     using flush_draw_handler= std::function<void(const char*)>;
     using screen_update_handler = std::function<void(const std::vector<std::string>&)>;
+    using error_handler = std::function<void(int err, const std::string&)>;
 
     /* DrawingArea name (usage: {layout}.{area}) */
     const std::string kStrLayoutNormal = "normal";
@@ -131,6 +132,7 @@ public:
     void setSyncDrawHandler(sync_draw_handler f);
     void setFlushDrawHandler(flush_draw_handler f);
     void setScreenUpdatedHandler(screen_update_handler f);
+    void setErrorHandler(error_handler f);
 
     // Backward Compatible API
     int requestSurface(json_object *object);