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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.
*/
#ifndef TMCAGLWM_LAYERS_H
#define TMCAGLWM_LAYERS_H
#include <json.hpp>
#include <regex>
#include <set>
#include <string>
#include "layout.hpp"
#include "result.hpp"
#include "wayland.hpp"
namespace wm {
struct split_layout {
std::string name;
std::string main_match;
std::string sub_match;
};
struct layer {
using json = nlohmann::json;
// A more or less descriptive name?
std::string name = "";
// The actual layer ID
int layer_id = -1;
// The rectangular region surfaces are allowed to draw on
// this layer, note however, width and hieght of the rect
// can be negative, in which case they specify that
// the actual value is computed using MAX + 1 - w
// That is; allow us to specify dimensions dependent on
// e.g. screen dimension, w/o knowing the actual screen size.
compositor::rect rect;
// Specify a role prefix for surfaces that should be
// put on this layer.
std::string role;
// TODO: perhaps a zorder is needed here?
std::vector<struct split_layout> layouts;
mutable struct LayoutState state;
// Flag of normal layout only
bool is_normal_layout_only;
explicit layer(nlohmann::json const &j);
json to_json() const;
};
struct layer_map {
using json = nlohmann::json;
using storage_type = std::map<int, struct layer>;
using layers_type = std::vector<uint32_t>;
using role_to_layer_map = std::vector<std::pair<std::string, int>>;
using addsurf_layer_map = std::map<int, int>;
storage_type mapping; // map surface_id to layer
layers_type layers; // the actual layer IDs we have
int main_surface;
std::string main_surface_name;
int main_surface_width;
int main_surface_height;
role_to_layer_map roles;
addsurf_layer_map surfaces; // additional surfaces on layers
optional<int> get_layer_id(int surface_id);
optional<int> get_layer_id(std::string const &role);
optional<struct LayoutState*> get_layout_state(int surface_id) {
int layer_id = *this->get_layer_id(surface_id);
auto i = this->mapping.find(layer_id);
return i == this->mapping.end()
? nullopt
: optional<struct LayoutState *>(&i->second.state);
}
optional<struct layer> get_layer(int layer_id) {
auto i = this->mapping.find(layer_id);
return i == this->mapping.end() ? nullopt
: optional<struct layer>(i->second);
}
layers_type::size_type get_layers_count() const {
return this->layers.size();
}
void add_surface(int surface_id, int layer_id) {
this->surfaces[surface_id] = layer_id;
}
void remove_surface(int surface_id) {
this->surfaces.erase(surface_id);
}
json to_json() const;
};
struct result<struct layer_map> to_layer_map(nlohmann::json const &j);
static const nlohmann::json default_layers_json = {
{"main_surface", {
{"surface_role", "HomeScreen"}
}},
{"mappings", {
{
{"role", "^HomeScreen$"},
{"name", "HomeScreen"},
{"layer_id", 1000},
{"area", {
{"type", "full"}
}}
},
{
{"role", "MediaPlayer|Radio|Phone|Navigation|HVAC|Settings|Dashboard|POI|Mixer"},
{"name", "apps"},
{"layer_id", 1001},
{"area", {
{"type", "rect"},
{"rect", {
{"x", 0},
{"y", 218},
{"width", -1},
{"height", -433}
}}
}}
},
{
{"role", "^OnScreen.*"},
{"name", "popups"},
{"layer_id", 9999},
{"area", {
{"type", "rect"},
{"rect", {
{"x", 0},
{"y", 760},
{"width", -1},
{"height", 400}
}}
}}
}
}}
};
} // namespace wm
#endif // TMCAGLWM_LAYERS_H
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