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.
17 #ifndef TMCAGLWM_LAYERS_H
18 #define TMCAGLWM_LAYERS_H
28 #include "wayland.hpp"
34 std::string main_match;
35 std::string sub_match;
39 using json = nlohmann::json;
41 // A more or less descriptive name?
42 std::string name = "";
43 // The actual layer ID
45 // The rectangular region surfaces are allowed to draw on
46 // this layer, note however, width and hieght of the rect
47 // can be negative, in which case they specify that
48 // the actual value is computed using MAX + 1 - w
49 // That is; allow us to specify dimensions dependent on
50 // e.g. screen dimension, w/o knowing the actual screen size.
51 compositor::rect rect;
52 // Specify a role prefix for surfaces that should be
55 // TODO: perhaps a zorder is needed here?
56 std::vector<struct split_layout> layouts;
58 mutable struct LayoutState state;
60 // Flag of normal layout only
61 bool is_normal_layout_only;
63 explicit layer(nlohmann::json const &j);
69 using json = nlohmann::json;
71 using storage_type = std::map<int, struct layer>;
72 using layers_type = std::vector<uint32_t>;
73 using role_to_layer_map = std::vector<std::pair<std::string, int>>;
74 using addsurf_layer_map = std::map<int, int>;
76 storage_type mapping; // map surface_id to layer
77 layers_type layers; // the actual layer IDs we have
79 std::string main_surface_name;
80 int main_surface_width;
81 int main_surface_height;
82 role_to_layer_map roles;
83 addsurf_layer_map surfaces; // additional surfaces on layers
85 optional<int> get_layer_id(int surface_id);
86 optional<int> get_layer_id(std::string const &role);
87 optional<struct LayoutState*> get_layout_state(int surface_id) {
88 int layer_id = *this->get_layer_id(surface_id);
89 auto i = this->mapping.find(layer_id);
90 return i == this->mapping.end()
92 : optional<struct LayoutState *>(&i->second.state);
94 optional<struct layer> get_layer(int layer_id) {
95 auto i = this->mapping.find(layer_id);
96 return i == this->mapping.end() ? nullopt
97 : optional<struct layer>(i->second);
100 layers_type::size_type get_layers_count() const {
101 return this->layers.size();
104 void add_surface(int surface_id, int layer_id) {
105 this->surfaces[surface_id] = layer_id;
108 void remove_surface(int surface_id) {
109 this->surfaces.erase(surface_id);
112 json to_json() const;
115 struct result<struct layer_map> to_layer_map(nlohmann::json const &j);
117 static const nlohmann::json default_layers_json = {
119 {"surface_role", "HomeScreen"}
123 {"role", "^HomeScreen$"},
124 {"name", "HomeScreen"},
131 {"role", "MediaPlayer|Radio|Phone|Navigation|HVAC|Settings|Dashboard|POI|Mixer"},
145 {"role", "^OnScreen.*"},
162 #endif // TMCAGLWM_LAYERS_H