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;
50 constexpr static const unsigned id_shift = 22;
51 constexpr static const unsigned id_mask = (1 << id_shift) - 1;
55 // Surfaces that where requested but not yet created
56 std::unordered_map<unsigned, std::string> id2name;
57 // std::unordered_set<unsigned> pending_surfaces;
58 std::unordered_map<std::string, unsigned> name2id;
60 id_allocator(id_allocator const &) = delete;
61 id_allocator(id_allocator &&) = delete;
62 id_allocator &operator=(id_allocator const &);
63 id_allocator &operator=(id_allocator &&) = delete;
65 // Insert and return a new ID
66 unsigned generate_id(std::string const &name) {
67 unsigned sid = this->next++;
68 this->id2name[sid] = name;
69 // this->pending_surfaces.insert({sid});
70 this->name2id[name] = sid;
71 logdebug("allocated new id %u with name %s", sid, name.c_str());
75 // Lookup by ID or by name
76 optional<unsigned> lookup(std::string const &name) const {
77 auto i = this->name2id.find(name);
78 return i == this->name2id.end() ? nullopt : optional<unsigned>(i->second);
81 optional<std::string> lookup(unsigned id) const {
82 auto i = this->id2name.find(id);
83 return i == this->id2name.end() ? nullopt
84 : optional<std::string>(i->second);
87 // Remove a surface id and name
88 // I don't think I will need this, do I?
89 void remove_id(std::string const &name) {
90 auto i = this->name2id.find(name);
91 if (i != this->name2id.end()) {
92 this->id2name.erase(i->second);
93 this->name2id.erase(i);
97 void remove_id(unsigned id) {
98 auto i = this->id2name.find(id);
99 if (i != this->id2name.end()) {
100 this->name2id.erase(i->second);
101 this->id2name.erase(i);
107 struct binding_api api;
108 struct controller_hooks chooks;
110 // This is the one thing, we do not own.
111 struct wl::display *display;
113 std::unique_ptr<struct genivi::controller> controller;
114 std::vector<std::unique_ptr<struct wl::output>> outputs;
116 struct config config;
118 // track current layouts separately
121 // ID allocation and proxy methods for lookup
122 struct id_allocator id_alloc;
124 // Set by AFB API when wayland events need to be dispatched
125 std::atomic<bool> pending_events;
127 std::vector<int> pending_end_draw;
131 explicit App(wl::display *d);
134 App(App const &) = delete;
135 App &operator=(App const &) = delete;
136 App(App &&) = delete;
137 App &operator=(App &&) = delete;
141 int dispatch_events();
142 int dispatch_pending_events();
144 void set_pending_events();
146 result<int> api_request_surface(char const *drawing_name);
147 char const *api_activate_surface(char const *drawing_name);
148 char const *api_deactivate_surface(char const *drawing_name);
149 char const *api_enddraw(char const *drawing_name);
152 // Events from the compositor we are interested in
153 void surface_created(uint32_t surface_id);
154 void surface_removed(uint32_t surface_id);
157 optional<int> lookup_id(char const *name);
158 optional<std::string> lookup_name(int id);
160 bool pop_pending_events();
162 void enqueue_flushdraw(int surface_id);
163 void check_flushdraw(int surface_id);
167 void surface_set_layout(int surface_id, optional<int> sub_surface_id = nullopt);
168 void layout_commit();
170 // TMC WM Events to clients
171 void emit_activated(char const *label);
172 void emit_deactivated(char const *label);
173 void emit_syncdraw(char const *label);
174 void emit_flushdraw(char const *label);
175 void emit_visible(char const *label, bool is_visible);
176 void emit_invisible(char const *label);
177 void emit_visible(char const *label);
179 void activate(int id);
180 void deactivate(int id);
181 void deactivate_main_surface();
183 bool can_split(struct LayoutState const &state, int new_id);
184 void try_layout(struct LayoutState &state,
185 struct LayoutState const &new_layout,
186 std::function<void(LayoutState const &nl)> apply);
191 #endif // TMCAGLWM_APP_HPP