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 WINDOW_MANAGER_HPP
18 #define WINDOW_MANAGER_HPP
22 #include <unordered_map>
23 #include <experimental/optional>
24 #include "controller_hooks.hpp"
27 #include "wayland_ivi_wm.hpp"
28 #include "pm_wrapper.hpp"
30 #include "request.hpp"
31 #include "wm_error.hpp"
32 #include "wm_layer_control.hpp"
49 using std::experimental::optional;
51 /* DrawingArea name used by "{layout}.{area}" */
52 extern const char kNameLayoutNormal[];
53 extern const char kNameLayoutSplit[];
54 extern const char kNameAreaFull[];
55 extern const char kNameAreaMain[];
56 extern const char kNameAreaSub[];
58 /* Key for json obejct */
59 extern const char kKeyDrawingName[];
60 extern const char kKeyDrawingArea[];
61 extern const char kKeyDrawingRect[];
62 extern const char kKeyX[];
63 extern const char kKeyY[];
64 extern const char kKeyWidth[];
65 extern const char kKeyHeigh[];
66 extern const char kKeyWidthPixel[];
67 extern const char kKeyHeightPixel[];
68 extern const char kKeyWidthMm[];
69 extern const char kKeyHeightMm[];
70 extern const char kKeyScale[];
71 extern const char kKeyIds[];
77 // Surfaces that where requested but not yet created
78 std::unordered_map<unsigned, std::string> id2name;
79 std::unordered_map<std::string, unsigned> name2id;
81 id_allocator(id_allocator const &) = delete;
82 id_allocator(id_allocator &&) = delete;
83 id_allocator &operator=(id_allocator const &);
84 id_allocator &operator=(id_allocator &&) = delete;
86 // Insert and return a new ID
87 unsigned generate_id(std::string const &name)
89 unsigned sid = this->next++;
90 this->id2name[sid] = name;
91 this->name2id[name] = sid;
92 HMI_DEBUG("wm", "allocated new id %u with name %s", sid, name.c_str());
96 // Insert a new ID which defined outside
97 void register_name_id(std::string const &name, unsigned sid)
99 this->id2name[sid] = name;
100 this->name2id[name] = sid;
101 HMI_DEBUG("wm", "register id %u with name %s", sid, name.c_str());
105 // Lookup by ID or by name
106 optional<unsigned> lookup(std::string const &name) const
108 auto i = this->name2id.find(name);
109 return i == this->name2id.end() ? nullopt : optional<unsigned>(i->second);
112 optional<std::string> lookup(unsigned id) const
114 auto i = this->id2name.find(id);
115 return i == this->id2name.end() ? nullopt
116 : optional<std::string>(i->second);
119 // Remove a surface id and name
120 void remove_id(std::string const &name)
122 auto i = this->name2id.find(name);
123 if (i != this->name2id.end())
125 this->id2name.erase(i->second);
126 this->name2id.erase(i);
130 void remove_id(unsigned id)
132 auto i = this->id2name.find(id);
133 if (i != this->id2name.end())
135 this->name2id.erase(i->second);
136 this->id2name.erase(i);
144 typedef std::unordered_map<uint32_t, struct compositor::rect> rect_map;
145 typedef std::function<void(const char *err_msg)> reply_func;
151 Event_Active = Event_Val_Min,
164 Event_Val_Max = Event_Error,
167 const std::vector<const char *> kListEventName{
177 struct controller_hooks chooks;
179 // This is the one thing, we do not own.
180 struct wl::display *display;
182 std::unique_ptr<struct compositor::controller> controller;
183 std::vector<std::unique_ptr<struct wl::output>> outputs;
185 // track current layouts separately
188 // ID allocation and proxy methods for lookup
189 struct id_allocator id_alloc;
191 // Set by AFB API when wayland events need to be dispatched
192 std::atomic<bool> pending_events;
194 std::map<const char *, struct afb_event> map_afb_event;
196 // Surface are info (x, y, w, h)
200 std::vector<int> surface_bg;
202 explicit WindowManager(wl::display *d);
203 ~WindowManager() = default;
205 WindowManager(WindowManager const &) = delete;
206 WindowManager &operator=(WindowManager const &) = delete;
207 WindowManager(WindowManager &&) = delete;
208 WindowManager &operator=(WindowManager &&) = delete;
211 int dispatch_pending_events();
212 void set_pending_events();
214 result<int> api_request_surface(char const *appid, char const *role);
215 char const *api_request_surface(char const *appid, char const *role, char const *ivi_id);
216 bool api_set_role(char const *appid, char const *role, unsigned pid);
217 void api_activate_surface(char const *appid, char const *role, char const *drawing_area, const reply_func &reply);
218 void api_deactivate_surface(char const *appid, char const *role, const reply_func &reply);
219 void api_enddraw(char const *appid, char const *role);
220 result<json_object *> api_get_display_info();
221 result<json_object *> api_get_area_info(char const *role);
223 void send_event(char const *evname, char const *label);
224 void send_event(char const *evname, char const *label, char const *area, int x, int y, int w, int h);
226 // Events from the compositor we are interested in
227 void surface_created(uint32_t surface_id);
228 void surface_removed(uint32_t surface_id);
229 void surface_properties(uint32_t surface_id, uint32_t pid);
231 void removeClient(const std::string &appid);
232 void exceptionProcessForTransition();
233 const char* convertRoleOldToNew(char const *role);
235 // Do not use this function
237 void startTransitionWrapper(std::vector<WMAction> &actions);
238 void processError(WMError error);
241 bool pop_pending_events();
242 optional<int> lookup_id(char const *name);
243 optional<std::string> lookup_name(int id);
245 void surface_set_layout(int surface_id, const std::string& area = "");
246 void layout_commit();
248 // WM Events to clients
249 void emit_activated(char const *label);
250 void emit_deactivated(char const *label);
251 void emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h);
252 void emit_syncdraw(const std::string &role, const std::string &area);
253 void emit_flushdraw(char const *label);
254 void emit_visible(char const *label, bool is_visible);
255 void emit_invisible(char const *label);
256 void emit_visible(char const *label);
258 void activate(int id);
259 void deactivate(int id);
260 WMError setRequest(const std::string &appid, const std::string &role, const std::string &area,
261 Task task, unsigned *req_num);
262 WMError doTransition(unsigned sequence_number);
263 WMError checkPolicy(unsigned req_num);
264 WMError startTransition(unsigned req_num);
266 WMError doEndDraw(unsigned req_num);
267 WMError layoutChange(const WMAction &action);
268 WMError visibilityChange(const WMAction &action);
269 WMError setSurfaceSize(unsigned surface, const std::string& area);
270 void emitScreenUpdated(unsigned req_num);
274 void processNextRequest();
278 const char *check_surface_exist(const char *role);
281 std::unordered_map<std::string, struct compositor::rect> area2size;
282 std::unordered_map<std::string, std::string> roleold2new;
283 std::unordered_map<std::string, std::string> rolenew2old;
284 std::shared_ptr<LayerControl> lm;
287 static const char* kDefaultOldRoleDb;
292 #endif // WINDOW_MANAGER_HPP