2 * Copyright (C) 2017 Mentor Graphics Development (Deutschland) GmbH
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_APP_HPP
18 #define TMCAGLWM_APP_HPP
20 #include <json-c/json.h>
24 #include <unordered_map>
25 #include <unordered_set>
26 #include <experimental/optional>
28 #include "afb_binding_api.hpp"
30 #include "controller_hooks.hpp"
35 #include "wayland.hpp"
47 using std::experimental::optional;
52 // Surfaces that where requested but not yet created
53 std::unordered_map<unsigned, std::string> id2name;
54 // std::unordered_set<unsigned> pending_surfaces;
55 std::unordered_map<std::string, unsigned> name2id;
57 id_allocator(id_allocator const &) = delete;
58 id_allocator(id_allocator &&) = delete;
59 id_allocator &operator=(id_allocator const &);
60 id_allocator &operator=(id_allocator &&) = delete;
62 // Insert and return a new ID
63 unsigned generate_id(std::string const &name) {
64 unsigned sid = this->next++;
65 this->id2name[sid] = name;
66 // this->pending_surfaces.insert({sid});
67 this->name2id[name] = sid;
68 logdebug("allocated new id %u with name %s", sid, name.c_str());
72 // Lookup by ID or by name
73 optional<unsigned> lookup(std::string const &name) const {
74 auto i = this->name2id.find(name);
75 return i == this->name2id.end() ? nullopt : optional<unsigned>(i->second);
78 optional<std::string> lookup(unsigned id) const {
79 auto i = this->id2name.find(id);
80 return i == this->id2name.end() ? nullopt
81 : optional<std::string>(i->second);
84 // Remove a surface id and name
85 // I don't think I will need this, do I?
86 void remove_id(std::string const &name) {
87 auto i = this->name2id.find(name);
88 if (i != this->name2id.end()) {
89 this->id2name.erase(i->second);
90 this->name2id.erase(i);
94 void remove_id(unsigned id) {
95 auto i = this->id2name.find(id);
96 if (i != this->id2name.end()) {
97 this->name2id.erase(i->second);
98 this->id2name.erase(i);
104 struct binding_api api;
105 struct controller_hooks chooks;
107 // This is the one thing, we do not own.
108 struct wl::display *display;
110 std::unique_ptr<struct genivi::controller> controller;
111 std::vector<std::unique_ptr<struct wl::output>> outputs;
113 struct config config;
115 // track current layouts separately
118 // ID allocation and proxy methods for lookup
119 struct id_allocator id_alloc;
121 // Set by AFB API when wayland events need to be dispatched
122 std::atomic<bool> pending_events;
124 std::vector<int> pending_end_draw;
128 explicit App(wl::display *d);
131 App(App const &) = delete;
132 App &operator=(App const &) = delete;
133 App(App &&) = delete;
134 App &operator=(App &&) = delete;
138 int dispatch_events();
139 int dispatch_pending_events();
141 void set_pending_events();
143 result<int> api_request_surface(char const *drawing_name);
144 char const *api_activate_surface(char const *drawing_name);
145 char const *api_deactivate_surface(char const *drawing_name);
146 char const *api_enddraw(char const *drawing_name);
149 // Events from the compositor we are interested in
150 void surface_created(uint32_t surface_id);
151 void surface_removed(uint32_t surface_id);
154 optional<int> lookup_id(char const *name);
155 optional<std::string> lookup_name(int id);
157 bool pop_pending_events();
159 void enqueue_flushdraw(int surface_id);
160 void check_flushdraw(int surface_id);
164 void surface_set_layout(int surface_id, optional<int> sub_surface_id = nullopt);
165 void layout_commit();
167 // TMC WM Events to clients
168 void emit_activated(char const *label);
169 void emit_deactivated(char const *label);
170 void emit_syncdraw(char const *label);
171 void emit_flushdraw(char const *label);
172 void emit_visible(char const *label, bool is_visible);
173 void emit_invisible(char const *label);
174 void emit_visible(char const *label);
176 void activate(int id);
177 void deactivate(int id);
178 void deactivate_main_surface();
180 bool can_split(struct LayoutState const &state, int new_id);
181 void try_layout(struct LayoutState &state,
182 struct LayoutState const &new_layout,
183 std::function<void(LayoutState const &nl)> apply);
188 #endif // TMCAGLWM_APP_HPP