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Diffstat (limited to 'src/wm_layer.cpp')
| -rw-r--r-- | src/wm_layer.cpp | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/src/wm_layer.cpp b/src/wm_layer.cpp new file mode 100644 index 0000000..6a98884 --- /dev/null +++ b/src/wm_layer.cpp @@ -0,0 +1,352 @@ +/* + * Copyright (c) 2017 TOYOTA MOTOR CORPORATION + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <regex> + +#include "wm_layer.hpp" +#include "json_helper.hpp" +#include "util.hpp" + +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}, + }; +} + +json layer_map::to_json() const +{ + json j{}; + for (auto const &i : this->mapping) + { + j.push_back(i.second.to_json()); + } + return j; +} + +void layer_map::setupArea(double scaling) +{ + compositor::rect rct; + + rct = this->area2size["normal.full"]; + this->area2size["normalfull"] = rct; + this->area2size["normal"] = rct; + + for (auto &i : this->area2size) + { + i.second.x = static_cast<int>(scaling * i.second.x + 0.5); + i.second.y = static_cast<int>(scaling * i.second.y + 0.5); + i.second.w = static_cast<int>(scaling * i.second.w + 0.5); + i.second.h = static_cast<int>(scaling * i.second.h + 0.5); + + HMI_DEBUG("area:%s size(after) : x:%d y:%d w:%d h:%d", + i.first.c_str(), i.second.x, i.second.y, i.second.w, i.second.h); + } +} + +compositor::rect layer_map::getAreaSize(const std::string &area) +{ + return area2size[area]; +} + +int layer_map::loadAreaDb() +{ + // Get afm application installed dir + char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR"); + HMI_DEBUG("afm_app_install_dir:%s", afm_app_install_dir); + + std::string file_name; + if (!afm_app_install_dir) + { + HMI_ERROR("AFM_APP_INSTALL_DIR is not defined"); + } + else + { + file_name = std::string(afm_app_install_dir) + std::string("/etc/areas.db"); + } + + // Load area.db + json_object *json_obj; + int ret = jh::inputJsonFilie(file_name.c_str(), &json_obj); + if (0 > ret) + { + HMI_DEBUG("Could not open area.db, so use default area information"); + json_obj = json_tokener_parse(kDefaultAreaDb); + } + HMI_DEBUG("json_obj dump:%s", json_object_get_string(json_obj)); + + // Perse areas + HMI_DEBUG("Perse areas"); + json_object *json_cfg; + if (!json_object_object_get_ex(json_obj, "areas", &json_cfg)) + { + HMI_ERROR("Parse Error!!"); + return -1; + } + + int len = json_object_array_length(json_cfg); + HMI_DEBUG("json_cfg len:%d", len); + HMI_DEBUG("json_cfg dump:%s", json_object_get_string(json_cfg)); + + const char *area; + for (int i = 0; i < len; i++) + { + json_object *json_tmp = json_object_array_get_idx(json_cfg, i); + HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp)); + + area = jh::getStringFromJson(json_tmp, "name"); + if (nullptr == area) + { + HMI_ERROR("Parse Error!!"); + return -1; + } + HMI_DEBUG("> area:%s", area); + + json_object *json_rect; + if (!json_object_object_get_ex(json_tmp, "rect", &json_rect)) + { + HMI_ERROR("Parse Error!!"); + return -1; + } + HMI_DEBUG("> json_rect dump:%s", json_object_get_string(json_rect)); + + compositor::rect area_size; + area_size.x = jh::getIntFromJson(json_rect, "x"); + area_size.y = jh::getIntFromJson(json_rect, "y"); + area_size.w = jh::getIntFromJson(json_rect, "w"); + area_size.h = jh::getIntFromJson(json_rect, "h"); + + this->area2size[area] = area_size; + } + + // Check + for (auto itr = this->area2size.begin(); + itr != this->area2size.end(); ++itr) + { + HMI_DEBUG("area:%s x:%d y:%d w:%d h:%d", + itr->first.c_str(), itr->second.x, itr->second.y, + itr->second.w, itr->second.h); + } + + // Release json_object + json_object_put(json_obj); + + return 0; +} + +const char* layer_map::kDefaultAreaDb = "{ \ + \"areas\": [ \ + { \ + \"name\": \"fullscreen\", \ + \"rect\": { \ + \"x\": 0, \ + \"y\": 0, \ + \"w\": 1080, \ + \"h\": 1920 \ + } \ + }, \ + { \ + \"name\": \"normal.full\", \ + \"rect\": { \ + \"x\": 0, \ + \"y\": 218, \ + \"w\": 1080, \ + \"h\": 1488 \ + } \ + }, \ + { \ + \"name\": \"split.main\", \ + \"rect\": { \ + \"x\": 0, \ + \"y\": 218, \ + \"w\": 1080, \ + \"h\": 744 \ + } \ + }, \ + { \ + \"name\": \"split.sub\", \ + \"rect\": { \ + \"x\": 0, \ + \"y\": 962, \ + \"w\": 1080, \ + \"h\": 744 \ + } \ + }, \ + { \ + \"name\": \"software_keyboard\", \ + \"rect\": { \ + \"x\": 0, \ + \"y\": 962, \ + \"w\": 1080, \ + \"h\": 744 \ + } \ + }, \ + { \ + \"name\": \"restriction.normal\", \ + \"rect\": { \ + \"x\": 0, \ + \"y\": 218, \ + \"w\": 1080, \ + \"h\": 1488 \ + } \ + }, \ + { \ + \"name\": \"restriction.split.main\", \ + \"rect\": { \ + \"x\": 0, \ + \"y\": 218, \ + \"w\": 1080, \ + \"h\": 744 \ + } \ + }, \ + { \ + \"name\": \"restriction.split.sub\", \ + \"rect\": { \ + \"x\": 0, \ + \"y\": 962, \ + \"w\": 1080, \ + \"h\": 744 \ + } \ + }, \ + { \ + \"name\": \"on_screen\", \ + \"rect\": { \ + \"x\": 0, \ + \"y\": 218, \ + \"w\": 1080, \ + \"h\": 1488 \ + } \ + } \ + ] \ +}"; + +} // namespace wm |