app: implement configured surface areas from ids.json

Signed-off-by: Marcus Fritzsch <marcus_fritzsch@mentor.com>

1 files changed, 28 insertions, 6 deletions

diff --git a/src/layers.cpp b/src/layers.cpp
index 5e7256e..013c16a 100644
--- a/src/layers.cpp
+++ b/src/layers.cpp
@@ -13,7 +13,7 @@ namespace wm {
 using json = nlohmann::json;
 
 surface_id_to_layer::surface_id_to_layer(nlohmann::json const &j) {
-   // DB(j);
+   DB(j);
    if (j["type"] == "range") {
       this->id_min = get<int>(j["first_surface_id"]);
       this->id_max = get<int>(j["last_surface_id"]);
@@ -22,6 +22,16 @@ surface_id_to_layer::surface_id_to_layer(nlohmann::json const &j) {
    }
    this->name = j["name"].get<std::string>();
    this->layer_id = get<int>(j["layer_id"]);
+   this->rect = genivi::rect{-1, -1, 0, 0};
+   if (j["area"]["type"] == "rect") {
+      auto jr = j["area"]["rect"];
+      this->rect = genivi::rect{
+              get<int32_t>(jr["width"]),
+              get<int32_t>(jr["height"]),
+              get<int32_t>(jr["x"]),
+              get<int32_t>(jr["y"]),
+      };
+   }
 }
 
 struct result<struct surface_id_to_layer_map> to_surface_id_to_layer_map(
@@ -87,19 +97,31 @@ inline bool
    return a.id_max < b;
 }
 
-optional<int> surface_id_to_layer_map::get_layer_for_surface(int surface_id) {
-   auto i = std::lower_bound(std::cbegin(this->mapping),
-                             std::cend(this->mapping), surface_id);
+namespace {
+optional<surface_id_to_layer> get_surface_id_to_layer(struct surface_id_to_layer_map const *s2l, int surface_id) {
+   auto i = std::lower_bound(std::cbegin(s2l->mapping),
+                             std::cend(s2l->mapping), surface_id);
 
-   if (i != this->mapping.end()) {
+   if (i != s2l->mapping.end()) {
       // std::less only checks for surface_id_to_layer::id_max, so check
       // that we are actually inside of an interval here.
       if (i->id_min <= surface_id) {
-         return optional<int>(i->layer_id);
+         return optional<surface_id_to_layer>(*i);
       }
    }
 
    return nullopt;
 }
+}
+
+optional<int> surface_id_to_layer_map::get_layer_for_surface(int surface_id) {
+   auto e = get_surface_id_to_layer(this, surface_id);
+   return e ? optional<int>(e->layer_id) : nullopt;
+}
+
+optional<genivi::rect> surface_id_to_layer_map::get_rect_for_surface(int surface_id) {
+   auto e = get_surface_id_to_layer(this, surface_id);
+   return e ? optional<genivi::rect>(e->rect) : nullopt;
+}
 
 }  // namespace wm