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/*
* 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 <algorithm>
#include <regex>
#include "json_helper.hpp"
#include "layers.hpp"
#include "util.hpp"
#include "hmi-debug.h"
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"];
this->rect = compositor::full_rect;
if (j["area"]["type"] == "rect") {
auto jr = j["area"]["rect"];
this->rect = compositor::rect{
jr["width"], jr["height"], jr["x"], jr["y"],
};
}
// Init flag of normal layout only
this->is_normal_layout_only = true;
auto split_layouts = j.find("split_layouts");
if (split_layouts != j.end()) {
// Clear flag of normal layout only
this->is_normal_layout_only = false;
auto &sls = j["split_layouts"];
// this->layouts.reserve(sls.size());
std::transform(std::cbegin(sls), std::cend(sls),
std::back_inserter(this->layouts), [this](json const &sl) {
struct split_layout l {
sl["name"], sl["main_match"], sl["sub_match"] };
HMI_DEBUG("wm",
"layer %d add split_layout \"%s\" (main: \"%s\") (sub: "
"\"%s\")", this->layer_id,
l.name.c_str(), l.main_match.c_str(),
l.sub_match.c_str());
return l;
});
}
HMI_DEBUG("wm", "layer_id:%d is_normal_layout_only:%d\n",
this->layer_id, this->is_normal_layout_only);
}
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));
});
// XXX: 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("wm", "role %s matches layer %d", role.c_str(), r.second);
return optional<int>(r.second);
}
}
HMI_DEBUG("wm", "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;
}
} // namespace wm
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