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_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 "controller_hooks.hpp"
33 #include "wayland.hpp"
34 #include "hmi-debug.h"
40 namespace compositor {
46 using std::experimental::optional;
48 /* DrawingArea name used by "{layout}.{area}" */
49 static const char *kNameLayoutNormal = "normal";
50 static const char *kNameLayoutSplit = "split";
51 static const char *kNameAreaFull = "full";
52 static const char *kNameAreaMain = "main";
53 static const char *kNameAreaSub = "sub";
55 /* Key for json obejct */
56 static const char *kKeyDrawingName = "drawing_name";
57 static const char *kKeyDrawingArea = "drawing_area";
62 // Surfaces that where requested but not yet created
63 std::unordered_map<unsigned, std::string> id2name;
64 // std::unordered_set<unsigned> pending_surfaces;
65 std::unordered_map<std::string, unsigned> name2id;
67 id_allocator(id_allocator const &) = delete;
68 id_allocator(id_allocator &&) = delete;
69 id_allocator &operator=(id_allocator const &);
70 id_allocator &operator=(id_allocator &&) = delete;
72 // Insert and return a new ID
73 unsigned generate_id(std::string const &name) {
74 unsigned sid = this->next++;
75 this->id2name[sid] = name;
76 // this->pending_surfaces.insert({sid});
77 this->name2id[name] = sid;
78 HMI_DEBUG("wm", "allocated new id %u with name %s", sid, name.c_str());
82 // Insert a new ID which defined outside
83 void register_name_id(std::string const &name, unsigned sid) {
84 this->id2name[sid] = name;
85 this->name2id[name] = sid;
86 HMI_DEBUG("wm", "register id %u with name %s", sid, name.c_str());
90 // Lookup by ID or by name
91 optional<unsigned> lookup(std::string const &name) const {
92 auto i = this->name2id.find(name);
93 return i == this->name2id.end() ? nullopt : optional<unsigned>(i->second);
96 optional<std::string> lookup(unsigned id) const {
97 auto i = this->id2name.find(id);
98 return i == this->id2name.end() ? nullopt
99 : optional<std::string>(i->second);
102 // Remove a surface id and name
103 void remove_id(std::string const &name) {
104 auto i = this->name2id.find(name);
105 if (i != this->name2id.end()) {
106 this->id2name.erase(i->second);
107 this->name2id.erase(i);
111 void remove_id(unsigned id) {
112 auto i = this->id2name.find(id);
113 if (i != this->id2name.end()) {
114 this->name2id.erase(i->second);
115 this->id2name.erase(i);
124 Event_Active = Event_Val_Min,
133 Event_Val_Max = Event_FlushDraw,
136 const std::vector<const char *> kListEventName{
145 struct controller_hooks chooks;
147 // This is the one thing, we do not own.
148 struct wl::display *display;
150 std::unique_ptr<struct compositor::controller> controller;
151 std::vector<std::unique_ptr<struct wl::output>> outputs;
153 struct config config;
155 // track current layouts separately
158 // ID allocation and proxy methods for lookup
159 struct id_allocator id_alloc;
161 // Set by AFB API when wayland events need to be dispatched
162 std::atomic<bool> pending_events;
164 std::vector<int> pending_end_draw;
168 std::map<const char *, struct afb_event> map_afb_event;
171 std::vector<int> surface_bg;
173 explicit App(wl::display *d);
176 App(App const &) = delete;
177 App &operator=(App const &) = delete;
178 App(App &&) = delete;
179 App &operator=(App &&) = delete;
183 int dispatch_events();
184 int dispatch_pending_events();
186 void set_pending_events();
188 result<int> api_request_surface(char const *drawing_name);
189 char const *api_request_surface(char const *drawing_name, char const *ivi_id);
190 char const *api_activate_surface(char const *drawing_name, char const *drawing_area);
191 char const *api_deactivate_surface(char const *drawing_name);
192 char const *api_enddraw(char const *drawing_name);
193 char const *api_subscribe(afb_req *req, char const *event_name);
195 void send_event(char const *evname, char const *label);
196 void send_event(char const *evname, char const *label, char const *area);
198 // Events from the compositor we are interested in
199 void surface_created(uint32_t surface_id);
200 void surface_removed(uint32_t surface_id);
203 optional<int> lookup_id(char const *name);
204 optional<std::string> lookup_name(int id);
206 bool pop_pending_events();
208 void enqueue_flushdraw(int surface_id);
209 void check_flushdraw(int surface_id);
213 void surface_set_layout(int surface_id, optional<int> sub_surface_id = nullopt);
214 void layout_commit();
216 // TMC WM Events to clients
217 void emit_activated(char const *label);
218 void emit_deactivated(char const *label);
219 void emit_syncdraw(char const *label, char const *area);
220 void emit_flushdraw(char const *label);
221 void emit_visible(char const *label, bool is_visible);
222 void emit_invisible(char const *label);
223 void emit_visible(char const *label);
225 void activate(int id);
226 void deactivate(int id);
227 void deactivate_main_surface();
229 bool can_split(struct LayoutState const &state, int new_id);
230 void try_layout(struct LayoutState &state,
231 struct LayoutState const &new_layout,
232 std::function<void(LayoutState const &nl)> apply);
237 #endif // TMCAGLWM_APP_HPP