2 * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 #include "json_helper.hpp"
21 #include "hmi-debug.h"
26 using json = nlohmann::json;
28 layer::layer(nlohmann::json const &j)
30 this->role = j["role"];
31 this->name = j["name"];
32 this->layer_id = j["layer_id"];
34 // Init flag of normal layout only
35 this->is_normal_layout_only = true;
37 auto split_layouts = j.find("split_layouts");
38 if (split_layouts != j.end())
41 // Clear flag of normal layout only
42 this->is_normal_layout_only = false;
44 auto &sls = j["split_layouts"];
45 // this->layouts.reserve(sls.size());
46 std::transform(std::cbegin(sls), std::cend(sls),
47 std::back_inserter(this->layouts), [this](json const &sl) {
50 sl["name"], sl["main_match"], sl["sub_match"]
53 "layer %d add split_layout \"%s\" (main: \"%s\") (sub: "
56 l.name.c_str(), l.main_match.c_str(),
61 HMI_DEBUG("wm", "layer_id:%d is_normal_layout_only:%d\n",
62 this->layer_id, this->is_normal_layout_only);
65 struct result<struct layer_map> to_layer_map(nlohmann::json const &j)
70 auto m = j["mappings"];
72 std::transform(std::cbegin(m), std::cend(m),
73 std::inserter(stl.mapping, stl.mapping.end()),
74 [](nlohmann::json const &j) {
75 return std::pair<int, struct layer>(
76 j.value("layer_id", -1), layer(j));
79 // TODO: add sanity checks here?
80 // * check for double IDs
81 // * check for double names/roles
83 stl.layers.reserve(m.size());
84 std::transform(std::cbegin(stl.mapping), std::cend(stl.mapping),
85 std::back_inserter(stl.layers),
86 [&stl](std::pair<int, struct layer> const &k) {
87 stl.roles.emplace_back(
88 std::make_pair(k.second.role, k.second.layer_id));
89 return unsigned(k.second.layer_id);
92 std::sort(stl.layers.begin(), stl.layers.end());
94 for (auto i : stl.mapping)
96 if (i.second.name.empty())
98 return Err<struct layer_map>("Found mapping w/o name");
100 if (i.second.layer_id == -1)
102 return Err<struct layer_map>("Found invalid/unset IDs in mapping");
106 auto msi = j.find("main_surface");
109 stl.main_surface_name = msi->value("surface_role", "");
110 stl.main_surface = -1;
115 catch (std::exception &e)
117 return Err<struct layer_map>(e.what());
122 layer_map::get_layer_id(int surface_id)
124 auto i = this->surfaces.find(surface_id);
125 if (i != this->surfaces.end())
127 return optional<int>(i->second);
132 optional<int> layer_map::get_layer_id(std::string const &role)
134 for (auto const &r : this->roles)
136 auto re = std::regex(r.first);
137 if (std::regex_match(role, re))
139 HMI_DEBUG("wm", "role %s matches layer %d", role.c_str(), r.second);
140 return optional<int>(r.second);
143 HMI_DEBUG("wm", "role %s does NOT match any layer", role.c_str());
147 json layer::to_json() const
149 auto is_full = this->rect == compositor::full_rect;
154 r = {{"type", "full"}};
158 r = {{"type", "rect"},
160 {{"x", this->rect.x},
162 {"width", this->rect.w},
163 {"height", this->rect.h}}}};
167 {"name", this->name},
168 {"role", this->role},
169 {"layer_id", this->layer_id},
174 json layer_map::to_json() const
177 for (auto const &i : this->mapping)
179 j.push_back(i.second.to_json());
184 compositor::rect layer_map::getAreaSize(const std::string &area)
186 return area2size[area];
189 const compositor::rect layer_map::getScaleDestRect(
190 int to_w, int to_h, const std::string &aspect_setting)
192 compositor::rect rct;
198 "Scaling:'%s'. Check 'fullscreen' is set.", aspect_setting.c_str());
199 // Base is "fullscreen". Crash me if "fullscreen" is not set
200 compositor::rect base = this->area2size.at("fullscreen");
201 HMI_DEBUG("wm:lm", "Output size, width: %d, height: %d / fullscreen width: %d, height: %d",
202 to_w, to_h, base.w, base.h);
203 // If full_rct.w or full_rct.h == 0, crash me on purpose
204 double scale_rate_w = double(to_w) / double(base.w);
205 double scale_rate_h = double(to_h) / double(base.h);
207 if (scale_rate_h < scale_rate_w)
209 scale = scale_rate_h;
213 scale = scale_rate_w;
215 HMI_DEBUG("wm", "set scale: %5.2f", scale);
218 if (aspect_setting == "aspect_fit")
221 rct.x = (to_w - scale * base.w) / 2;
222 rct.y = (to_h - scale * base.h) / 2;
225 rct.w = base.w * scale;
226 rct.h = base.h * scale;
228 else if (aspect_setting == "display_fit")
232 rct.w = base.w * scale_rate_w;
233 rct.h = base.h * scale_rate_h;
235 HMI_DEBUG("wm:lm", "offset x: %d, y: %d", rct.x, rct.y);
236 HMI_DEBUG("wm:lm", "after scaling w: %d, h: %d", rct.w, rct.h);
240 int layer_map::loadAreaDb()
242 HMI_DEBUG("wm:lm", "Call");
244 // Get afm application installed dir
245 char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
246 HMI_DEBUG("wm:lm", "afm_app_install_dir:%s", afm_app_install_dir);
248 std::string file_name;
249 if (!afm_app_install_dir)
251 HMI_ERROR("wm:lm", "AFM_APP_INSTALL_DIR is not defined");
255 file_name = std::string(afm_app_install_dir) + std::string("/etc/areas.db");
259 json_object *json_obj;
260 int ret = jh::inputJsonFilie(file_name.c_str(), &json_obj);
263 HMI_DEBUG("wm:lm", "Could not open area.db, so use default area information");
264 json_obj = json_tokener_parse(kDefaultAreaDb);
266 HMI_DEBUG("wm:lm", "json_obj dump:%s", json_object_get_string(json_obj));
269 HMI_DEBUG("wm:lm", "Perse areas");
270 json_object *json_cfg;
271 if (!json_object_object_get_ex(json_obj, "areas", &json_cfg))
273 HMI_ERROR("wm:lm", "Parse Error!!");
277 int len = json_object_array_length(json_cfg);
278 HMI_DEBUG("wm:lm", "json_cfg len:%d", len);
279 HMI_DEBUG("wm:lm", "json_cfg dump:%s", json_object_get_string(json_cfg));
282 for (int i = 0; i < len; i++)
284 json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
285 HMI_DEBUG("wm:lm", "> json_tmp dump:%s", json_object_get_string(json_tmp));
287 area = jh::getStringFromJson(json_tmp, "name");
290 HMI_ERROR("wm:lm", "Parse Error!!");
293 HMI_DEBUG("wm:lm", "> area:%s", area);
295 json_object *json_rect;
296 if (!json_object_object_get_ex(json_tmp, "rect", &json_rect))
298 HMI_ERROR("wm:lm", "Parse Error!!");
301 HMI_DEBUG("wm:lm", "> json_rect dump:%s", json_object_get_string(json_rect));
303 compositor::rect area_size;
304 area_size.x = jh::getIntFromJson(json_rect, "x");
305 area_size.y = jh::getIntFromJson(json_rect, "y");
306 area_size.w = jh::getIntFromJson(json_rect, "w");
307 area_size.h = jh::getIntFromJson(json_rect, "h");
309 this->area2size[area] = area_size;
313 for (auto itr = this->area2size.begin();
314 itr != this->area2size.end(); ++itr)
316 HMI_DEBUG("wm:lm", "area:%s x:%d y:%d w:%d h:%d",
317 itr->first.c_str(), itr->second.x, itr->second.y,
318 itr->second.w, itr->second.h);
321 // Release json_object
322 json_object_put(json_obj);
327 const char* layer_map::kDefaultAreaDb = "{ \
330 \"name\": \"fullscreen\", \
339 \"name\": \"normal.full\", \
348 \"name\": \"split.main\", \
357 \"name\": \"split.sub\", \
366 \"name\": \"software_keyboard\", \
375 \"name\": \"restriction.normal\", \
384 \"name\": \"restriction.split.main\", \
393 \"name\": \"restriction.split.sub\", \
402 \"name\": \"on_screen\", \