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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 WM_LAYERS_H
+#define WM_LAYERS_H
+
+#include <string>
+
+#include "../include/json.hpp"
+#include "layout.hpp"
+#include "result.hpp"
+#include "wayland_ivi_wm.hpp"
+
+namespace wm
+{
+
+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.
+ compositor::rect rect;
+ // Specify a role prefix for surfaces that should be
+ // put on this layer.
+ std::string role;
+
+ mutable struct LayoutState state;
+
+ 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;
+ 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;
+ void setupArea(double scaling);
+ compositor::rect getAreaSize(const std::string &area);
+ int loadAreaDb();
+
+ private:
+ std::unordered_map<std::string, compositor::rect> area2size;
+
+ static const char *kDefaultAreaDb;
+};
+
+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 // WM_LAYERS_H