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 "afb_binding_api.hpp"
30 #include "controller_hooks.hpp"
35 #include "wayland.hpp"
36 #include "hmi-debug.h"
42 namespace compositor {
48 using std::experimental::optional;
50 /* DrawingArea name used by "{layout}.{area}" */
51 static const char *kNameLayoutNormal = "normal";
52 static const char *kNameLayoutSplit = "split";
53 static const char *kNameAreaFull = "full";
54 static const char *kNameAreaMain = "main";
55 static const char *kNameAreaSub = "sub";
57 /* Key for json obejct */
58 static const char *kKeyDrawingName = "drawing_name";
59 static const char *kKeyDrawingArea = "drawing_area";
60 static const char *kKeyDrawingRect = "drawing_rect";
61 static const char *kKeyX = "x";
62 static const char *kKeyY = "y";
63 static const char *kKeyWidth = "width";
64 static const char *kKeyHeight = "height";
65 static const char *kKeyWidthPixel = "width_pixel";
66 static const char *kKeyHeightPixel = "height_pixel";
67 static const char *kKeyWidthMm = "width_mm";
68 static const char *kKeyHeightMm = "height_mm";
75 // Surfaces that where requested but not yet created
76 std::unordered_map<unsigned, std::string> id2name;
77 // std::unordered_set<unsigned> pending_surfaces;
78 std::unordered_map<std::string, unsigned> name2id;
80 id_allocator(id_allocator const &) = delete;
81 id_allocator(id_allocator &&) = delete;
82 id_allocator &operator=(id_allocator const &);
83 id_allocator &operator=(id_allocator &&) = delete;
85 // Insert and return a new ID
86 unsigned generate_id(std::string const &name) {
87 unsigned sid = this->next++;
88 this->id2name[sid] = name;
89 // this->pending_surfaces.insert({sid});
90 this->name2id[name] = sid;
91 HMI_DEBUG("wm", "allocated new id %u with name %s", sid, name.c_str());
95 // Lookup by ID or by name
96 optional<unsigned> lookup(std::string const &name) const {
97 auto i = this->name2id.find(name);
98 return i == this->name2id.end() ? nullopt : optional<unsigned>(i->second);
101 optional<std::string> lookup(unsigned id) const {
102 auto i = this->id2name.find(id);
103 return i == this->id2name.end() ? nullopt
104 : optional<std::string>(i->second);
107 // Remove a surface id and name
108 void remove_id(std::string const &name) {
109 auto i = this->name2id.find(name);
110 if (i != this->name2id.end()) {
111 this->id2name.erase(i->second);
112 this->name2id.erase(i);
116 void remove_id(unsigned id) {
117 auto i = this->id2name.find(id);
118 if (i != this->id2name.end()) {
119 this->name2id.erase(i->second);
120 this->id2name.erase(i);
127 typedef std::unordered_map<uint32_t, struct compositor::rect> rect_map;
132 Event_Active = Event_Val_Min,
141 Event_Val_Max = Event_FlushDraw,
144 const std::vector<const char *> kListEventName{
153 struct binding_api api;
154 struct controller_hooks chooks;
156 // This is the one thing, we do not own.
157 struct wl::display *display;
159 std::unique_ptr<struct compositor::controller> controller;
160 std::vector<std::unique_ptr<struct wl::output>> outputs;
162 struct config config;
164 // track current layouts separately
167 // ID allocation and proxy methods for lookup
168 struct id_allocator id_alloc;
170 // Set by AFB API when wayland events need to be dispatched
171 std::atomic<bool> pending_events;
173 std::vector<int> pending_end_draw;
177 std::map<const char *, struct afb_event> map_afb_event;
181 explicit App(wl::display *d);
184 App(App const &) = delete;
185 App &operator=(App const &) = delete;
186 App(App &&) = delete;
187 App &operator=(App &&) = delete;
191 int dispatch_events();
192 int dispatch_pending_events();
194 void set_pending_events();
196 result<int> api_request_surface(char const *drawing_name);
197 char const *api_activate_surface(char const *drawing_name, char const *drawing_area);
198 char const *api_deactivate_surface(char const *drawing_name);
199 char const *api_enddraw(char const *drawing_name);
200 result<json_object *> api_get_display_info();
201 result<json_object *> api_get_area_info(char const *drawing_name);
202 char const *api_subscribe(afb_req *req, char const *event_name);
205 // Events from the compositor we are interested in
206 void surface_created(uint32_t surface_id);
207 void surface_removed(uint32_t surface_id);
210 optional<int> lookup_id(char const *name);
211 optional<std::string> lookup_name(int id);
213 bool pop_pending_events();
215 void enqueue_flushdraw(int surface_id);
216 void check_flushdraw(int surface_id);
220 void surface_set_layout(int surface_id, optional<int> sub_surface_id = nullopt);
221 void layout_commit();
223 // TMC WM Events to clients
224 void emit_activated(char const *label);
225 void emit_deactivated(char const *label);
226 void emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h);
227 void emit_flushdraw(char const *label);
228 void emit_visible(char const *label, bool is_visible);
229 void emit_invisible(char const *label);
230 void emit_visible(char const *label);
232 void activate(int id);
233 void deactivate(int id);
234 void deactivate_main_surface();
236 bool can_split(struct LayoutState const &state, int new_id);
237 void try_layout(struct LayoutState &state,
238 struct LayoutState const &new_layout,
239 std::function<void(LayoutState const &nl)> apply);
244 #endif // TMCAGLWM_APP_HPP