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/*
* Copyright (C) 2017 Mentor Graphics Development (Deutschland) GmbH
*
* 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_APP_HPP
#define TMCAGLWM_APP_HPP
#include <json-c/json.h>
#include <memory>
#include <unordered_map>
#include <unordered_set>
#include "afb_binding_api.hpp"
#include "config.hpp"
#include "controller_hooks.hpp"
#include "layers.hpp"
#include "layout.hpp"
#include "result.hpp"
#include "wayland.hpp"
namespace wl {
struct display;
}
namespace genivi {
struct controller;
}
namespace wm {
struct id_allocator {
unsigned next = 0x0100'0000;
// Surfaces that where requested but not yet created
std::unordered_map<unsigned, std::string> surfaces;
// std::unordered_set<unsigned> pending_surfaces;
std::unordered_map<std::string, unsigned> names;
id_allocator(id_allocator const &) = delete;
id_allocator(id_allocator &&) = delete;
id_allocator &operator=(id_allocator const &);
id_allocator &operator=(id_allocator &&) = delete;
// Allocate a new ID
unsigned operator()(std::string const &name) {
unsigned sid = this->next++;
this->surfaces[sid] = name;
// this->pending_surfaces.insert({sid});
this->names[name] = sid;
logdebug("allocated new id %u with name %s", sid, name.c_str());
return sid;
}
// Lookup by ID or by name
optional<unsigned> operator[](std::string const &name) {
auto i = this->names.find(name);
return i == this->names.end() ? nullopt : optional<unsigned>(i->second);
}
optional<std::string> operator[](unsigned id) {
auto i = this->surfaces.find(id);
return i == this->surfaces.end() ? nullopt
: optional<std::string>(i->second);
}
};
struct App {
struct binding_api api;
struct controller_hooks chooks;
// This is the one thing, we do not own.
struct wl::display *display;
std::unique_ptr<struct genivi::controller> controller;
std::vector<std::unique_ptr<struct wl::output>> outputs;
struct config config;
layouts_type layouts;
layer_map layers;
typedef std::pair<char const *, std::function<void()>> name_task_pair;
std::vector<name_task_pair> pending;
typedef std::map<std::string, int> drawing_name_map;
drawing_name_map name_mapping;
struct id_allocator id_alloc;
explicit App(wl::display *d);
~App();
App(App const &) = delete;
App &operator=(App const &) = delete;
App(App &&) = delete;
App &operator=(App &&) = delete;
int init();
int init_layout();
int dispatch_events();
void surface_set_layout(uint32_t surface_id);
char const *activate_surface(uint32_t surface_id);
// Allocate a surface ID for this role
result<int> request_surface(char const *drawing_name);
// Activate (i.e. make visible, if allowed!) a surface
char const *activate_surface(char const *drawing_name);
// add tasks, executed after dispatch_events()
void add_task(char const *name, std::function<void()> &&f);
void execute_pending();
// Events from the compositor we are interested in
void surface_created(uint32_t surface_id);
void surface_removed(uint32_t surface_id);
};
} // namespace wm
#endif // TMCAGLWM_APP_HPP
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