-namespace wm
-{
-
-using json = nlohmann::json;
-
-layer::layer(nlohmann::json const &j)
-{
- this->role = j["role"];
- this->name = j["name"];
- this->layer_id = j["layer_id"];
-
- HMI_DEBUG("layer_id:%d name:%s", this->layer_id, this->name.c_str());
-}
-
-struct result<struct layer_map> to_layer_map(nlohmann::json const &j)
-{
- try
- {
- layer_map stl{};
- auto m = j["mappings"];
-
- std::transform(std::cbegin(m), std::cend(m),
- std::inserter(stl.mapping, stl.mapping.end()),
- [](nlohmann::json const &j) {
- return std::pair<int, struct layer>(
- j.value("layer_id", -1), layer(j));
- });
-
- // TODO: add sanity checks here?
- // * check for double IDs
- // * check for double names/roles
-
- stl.layers.reserve(m.size());
- std::transform(std::cbegin(stl.mapping), std::cend(stl.mapping),
- std::back_inserter(stl.layers),
- [&stl](std::pair<int, struct layer> const &k) {
- stl.roles.emplace_back(
- std::make_pair(k.second.role, k.second.layer_id));
- return unsigned(k.second.layer_id);
- });
-
- std::sort(stl.layers.begin(), stl.layers.end());
-
- for (auto i : stl.mapping)
- {
- if (i.second.name.empty())
- {
- return Err<struct layer_map>("Found mapping w/o name");
- }
- if (i.second.layer_id == -1)
- {
- return Err<struct layer_map>("Found invalid/unset IDs in mapping");
- }
- }
-
- auto msi = j.find("main_surface");
- if (msi != j.end())
- {
- stl.main_surface_name = msi->value("surface_role", "");
- stl.main_surface = -1;
- }
-
- return Ok(stl);
- }
- catch (std::exception &e)
- {
- return Err<struct layer_map>(e.what());
- }
-}
-
-optional<int>
-layer_map::get_layer_id(int surface_id)
-{
- auto i = this->surfaces.find(surface_id);
- if (i != this->surfaces.end())
- {
- return optional<int>(i->second);
- }
- return nullopt;
-}
-
-optional<int> layer_map::get_layer_id(std::string const &role)
-{
- for (auto const &r : this->roles)
- {
- auto re = std::regex(r.first);
- if (std::regex_match(role, re))
- {
- HMI_DEBUG("role %s matches layer %d", role.c_str(), r.second);
- return optional<int>(r.second);
- }
- }
- HMI_DEBUG("role %s does NOT match any layer", role.c_str());
- return nullopt;
-}
-
-json layer::to_json() const
-{
- auto is_full = this->rect == compositor::full_rect;
-
- json r{};
- if (is_full)
- {
- r = {{"type", "full"}};
- }
- else
- {
- r = {{"type", "rect"},
- {"rect",
- {{"x", this->rect.x},
- {"y", this->rect.y},
- {"width", this->rect.w},
- {"height", this->rect.h}}}};
- }
-
- return {
- {"name", this->name},
- {"role", this->role},
- {"layer_id", this->layer_id},
- {"area", r},
- };
-}