src/desktop.c

   1 /*
   2  * Copyright © 2019 Collabora, Ltd.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining
   5  * a copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sublicense, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial
  14  * portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  20  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #include <assert.h>
  27 #include "ivi-compositor.h"
  28 #include "policy.h"
  29
  30 #include <libweston/libweston.h>
  31 #include <libweston-desktop/libweston-desktop.h>
  32
  33 #include "agl-shell-desktop-server-protocol.h"
  34
  35 #if 0
  36 static struct weston_output *
  37 get_default_output(struct weston_compositor *compositor)
  38 {
  39         if (wl_list_empty(&compositor->output_list))
  40                 return NULL;
  41
  42         return wl_container_of(compositor->output_list.next,
  43                                struct weston_output, link);
  44 }
  45 #endif
  46
  47 static void
  48 desktop_advertise_app(struct wl_listener *listener, void *data)
  49 {
  50         struct ivi_surface *surface;
  51
  52         surface = wl_container_of(listener, surface, listener_advertise_app);
  53
  54         agl_shell_desktop_advertise_application_id(surface->ivi, surface);
  55 }
  56
  57 static void
  58 desktop_ping_timeout(struct weston_desktop_client *dclient, void *userdata)
  59 {
  60         /* not supported */
  61 }
  62
  63 static void
  64 desktop_pong(struct weston_desktop_client *dclient, void *userdata)
  65 {
  66         /* not supported */
  67 }
  68
  69 static void
  70 desktop_surface_added(struct weston_desktop_surface *dsurface, void *userdata)
  71 {
  72         struct ivi_compositor *ivi = userdata;
  73         struct weston_desktop_client *dclient;
  74         struct wl_client *client;
  75         struct ivi_surface *surface;
  76         struct ivi_output *active_output = NULL;
  77         const char *app_id = NULL;
  78
  79         dclient = weston_desktop_surface_get_client(dsurface);
  80         client = weston_desktop_client_get_client(dclient);
  81
  82         surface = zalloc(sizeof *surface);
  83         if (!surface) {
  84                 wl_client_post_no_memory(client);
  85                 return;
  86         }
  87
  88         surface->view = weston_desktop_surface_create_view(dsurface);
  89         if (!surface->view) {
  90                 free(surface);
  91                 wl_client_post_no_memory(client);
  92                 return;
  93         }
  94
  95         surface->ivi = ivi;
  96         surface->dsurface = dsurface;
  97         surface->role = IVI_SURFACE_ROLE_NONE;
  98         surface->activated_by_default = false;
  99         surface->advertised_on_launch = false;
 100         surface->checked_pending = false;
 101         wl_list_init(&surface->link);
 102
 103         wl_signal_init(&surface->signal_advertise_app);
 104
 105         surface->listener_advertise_app.notify = desktop_advertise_app;
 106         wl_signal_add(&surface->signal_advertise_app,
 107                       &surface->listener_advertise_app);
 108
 109         weston_desktop_surface_set_user_data(dsurface, surface);
 110
 111         if (ivi->policy && ivi->policy->api.surface_create &&
 112             !ivi->policy->api.surface_create(surface, ivi)) {
 113                 wl_client_post_no_memory(client);
 114                 return;
 115         }
 116
 117
 118         app_id = weston_desktop_surface_get_app_id(dsurface);
 119
 120         if ((active_output = ivi_layout_find_with_app_id(app_id, ivi)))
 121                 ivi_set_pending_desktop_surface_remote(active_output, app_id);
 122
 123         /* reset any caps to make sure we apply the new caps */
 124         ivi_seat_reset_caps_sent(ivi);
 125
 126         /*
 127          * We delay creating "normal" desktop surfaces until later, to
 128          * give the shell-client an oppurtunity to set the surface as a
 129          * background/panel.
 130          * Also delay the creation in order to have a valid app_id
 131          * which will be used to set the proper role.
 132          */
 133         weston_log("Added surface %p, app_id %s to pending list\n",
 134                         surface, app_id);
 135         wl_list_insert(&ivi->pending_surfaces, &surface->link);
 136
 137 }
 138
 139 static bool
 140 desktop_surface_check_last_remote_surfaces(struct ivi_compositor *ivi, enum ivi_surface_role role)
 141 {
 142         int count = 0;
 143         struct ivi_surface *surf;
 144
 145         wl_list_for_each(surf, &ivi->surfaces, link)
 146                 if (surf->role == role)
 147                         count++;
 148
 149         return (count == 1);
 150 }
 151
 152 static void
 153 desktop_surface_removed(struct weston_desktop_surface *dsurface, void *userdata)
 154 {
 155         struct ivi_surface *surface =
 156                 weston_desktop_surface_get_user_data(dsurface);
 157         struct weston_surface *wsurface =
 158                 weston_desktop_surface_get_surface(dsurface);
 159         const char *app_id = NULL;
 160
 161         struct ivi_output *output = ivi_layout_get_output_from_surface(surface);
 162
 163         wl_list_remove(&surface->listener_advertise_app.link);
 164         surface->listener_advertise_app.notify = NULL;
 165
 166         app_id = weston_desktop_surface_get_app_id(dsurface);
 167
 168         /* special corner-case, pending_surfaces which are never activated or
 169          * being assigned an output might land here so just remove the surface;
 170          *
 171          * the DESKTOP role can happen here as well, because we can fall-back
 172          * to that when we try to determine the role type. Application that
 173          * do not set the app_id will be land here, when destroyed */
 174         if (output == NULL && (surface->role == IVI_SURFACE_ROLE_NONE ||
 175                                surface->role == IVI_SURFACE_ROLE_DESKTOP))
 176                 goto skip_output_asignment;
 177
 178         assert(output != NULL);
 179
 180         /* resize the active surface to the original size */
 181         if (surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 182             surface->role == IVI_SURFACE_ROLE_SPLIT_V) {
 183                 if (output && output->active) {
 184                         ivi_layout_desktop_resize(output->active, output->area_saved);
 185                 }
 186                 /* restore the area back so we can re-use it again if needed */
 187                 output->area = output->area_saved;
 188         }
 189
 190         /* reset the active surface as well */
 191         if (output && output->active && output->active == surface) {
 192                 output->active->view->is_mapped = false;
 193                 output->active->view->surface->is_mapped = false;
 194
 195                 weston_layer_entry_remove(&output->active->view->layer_link);
 196                 output->active = NULL;
 197         }
 198
 199         if (surface->role == IVI_SURFACE_ROLE_REMOTE &&
 200             output->type == OUTPUT_REMOTE)
 201                 ivi_destroy_waltham_destroy(surface);
 202
 203         /* check if there's a last 'remote' surface and insert a black
 204          * surface view if there's no background set for that output
 205          */
 206         if ((desktop_surface_check_last_remote_surfaces(output->ivi,
 207                 IVI_SURFACE_ROLE_REMOTE) ||
 208             desktop_surface_check_last_remote_surfaces(output->ivi,
 209                 IVI_SURFACE_ROLE_DESKTOP)) && output->type == OUTPUT_REMOTE)
 210                 if (!output->background)
 211                         insert_black_surface(output);
 212
 213
 214         if (weston_surface_is_mapped(wsurface)) {
 215                 weston_desktop_surface_unlink_view(surface->view);
 216                 weston_view_destroy(surface->view);
 217         }
 218
 219         /* invalidate agl-shell surfaces so we can re-use them when
 220          * binding again */
 221         if (surface->role == IVI_SURFACE_ROLE_PANEL) {
 222                 switch (surface->panel.edge) {
 223                 case AGL_SHELL_EDGE_TOP:
 224                         output->top = NULL;
 225                         break;
 226                 case AGL_SHELL_EDGE_BOTTOM:
 227                         output->bottom = NULL;
 228                         break;
 229                 case AGL_SHELL_EDGE_LEFT:
 230                         output->left = NULL;
 231                         break;
 232                 case AGL_SHELL_EDGE_RIGHT:
 233                         output->right = NULL;
 234                         break;
 235                 default:
 236                         assert(!"Invalid edge detected\n");
 237                 }
 238         } else if (surface->role == IVI_SURFACE_ROLE_BACKGROUND) {
 239                 output->background = NULL;
 240         }
 241
 242 skip_output_asignment:
 243         weston_log("Removed surface %p, app_id %s, role %s\n", surface,
 244                         app_id, ivi_layout_get_surface_role_name(surface));
 245
 246         if (app_id && output)
 247                 shell_advertise_app_state(output->ivi, app_id,
 248                                           NULL, AGL_SHELL_DESKTOP_APP_STATE_DESTROYED);
 249
 250         wl_list_remove(&surface->link);
 251
 252         free(surface);
 253 }
 254
 255 static void
 256 desktop_committed(struct weston_desktop_surface *dsurface,
 257                   int32_t sx, int32_t sy, void *userdata)
 258 {
 259         struct ivi_compositor *ivi = userdata;
 260         struct ivi_surface *surface =
 261                 weston_desktop_surface_get_user_data(dsurface);
 262         struct ivi_policy *policy = surface->ivi->policy;
 263
 264         if (policy && policy->api.surface_commited &&
 265             !policy->api.surface_commited(surface, surface->ivi))
 266                 return;
 267
 268         if (ivi->shell_client.ready && !surface->checked_pending) {
 269                 const char * app_id =   weston_desktop_surface_get_app_id(dsurface);
 270                 weston_log("Checking pending surface %p, app_id %s\n", surface,
 271                         app_id);
 272                 wl_list_remove(&surface->link);
 273                 wl_list_init(&surface->link);
 274                 ivi_check_pending_desktop_surface(surface);
 275                 surface->checked_pending = true;
 276         }
 277
 278         if (!surface->advertised_on_launch &&
 279             !wl_list_empty(&surface->ivi->desktop_clients))
 280                 wl_signal_emit(&surface->signal_advertise_app, surface);
 281
 282         weston_compositor_schedule_repaint(surface->ivi->compositor);
 283
 284         switch (surface->role) {
 285         case IVI_SURFACE_ROLE_DESKTOP:
 286         case IVI_SURFACE_ROLE_REMOTE:
 287                 ivi_layout_desktop_committed(surface);
 288                 break;
 289         case IVI_SURFACE_ROLE_POPUP:
 290                 ivi_layout_popup_committed(surface);
 291                 break;
 292         case IVI_SURFACE_ROLE_FULLSCREEN:
 293                 ivi_layout_fullscreen_committed(surface);
 294                 break;
 295         case IVI_SURFACE_ROLE_SPLIT_H:
 296         case IVI_SURFACE_ROLE_SPLIT_V:
 297                 ivi_layout_split_committed(surface);
 298                 break;
 299         case IVI_SURFACE_ROLE_NONE:
 300         case IVI_SURFACE_ROLE_BACKGROUND:
 301         case IVI_SURFACE_ROLE_PANEL:
 302         default: /* fall through */
 303                 break;
 304         }
 305 }
 306
 307 static void
 308 desktop_show_window_menu(struct weston_desktop_surface *dsurface,
 309                          struct weston_seat *seat, int32_t x, int32_t y,
 310                          void *userdata)
 311 {
 312         /* not supported */
 313 }
 314
 315 static void
 316 desktop_set_parent(struct weston_desktop_surface *dsurface,
 317                    struct weston_desktop_surface *parent, void *userdata)
 318 {
 319         /* not supported */
 320 }
 321
 322 static void
 323 desktop_move(struct weston_desktop_surface *dsurface,
 324              struct weston_seat *seat, uint32_t serial, void *userdata)
 325 {
 326         /* not supported */
 327 }
 328
 329 static void
 330 desktop_resize(struct weston_desktop_surface *dsurface,
 331                struct weston_seat *seat, uint32_t serial,
 332                enum weston_desktop_surface_edge edges, void *user_data)
 333 {
 334         /* not supported */
 335 }
 336
 337 static void
 338 desktop_fullscreen_requested(struct weston_desktop_surface *dsurface,
 339                              bool fullscreen, struct weston_output *output,
 340                              void *userdata)
 341 {
 342         /* not supported */
 343 }
 344
 345 static void
 346 desktop_maximized_requested(struct weston_desktop_surface *dsurface,
 347                             bool maximized, void *userdata)
 348 {
 349         /* not supported */
 350 }
 351
 352 static void
 353 desktop_minimized_requested(struct weston_desktop_surface *dsurface,
 354                             void *userdata)
 355 {
 356         /* not supported */
 357 }
 358
 359 static void
 360 desktop_set_xwayland_position(struct weston_desktop_surface *dsurface,
 361                               int32_t x, int32_t y, void *userdata)
 362 {
 363         /* not supported */
 364 }
 365
 366 static const struct weston_desktop_api desktop_api = {
 367         .struct_size = sizeof desktop_api,
 368         .ping_timeout = desktop_ping_timeout,
 369         .pong = desktop_pong,
 370         .surface_added = desktop_surface_added,
 371         .surface_removed = desktop_surface_removed,
 372         .committed = desktop_committed,
 373         .show_window_menu = desktop_show_window_menu,
 374         .set_parent = desktop_set_parent,
 375         .move = desktop_move,
 376         .resize = desktop_resize,
 377         .fullscreen_requested = desktop_fullscreen_requested,
 378         .maximized_requested = desktop_maximized_requested,
 379         .minimized_requested = desktop_minimized_requested,
 380         .set_xwayland_position = desktop_set_xwayland_position,
 381 };
 382
 383 int
 384 ivi_desktop_init(struct ivi_compositor *ivi)
 385 {
 386         ivi->desktop = weston_desktop_create(ivi->compositor, &desktop_api, ivi);
 387         if (!ivi->desktop) {
 388                 weston_log("Failed to create desktop globals");
 389                 return -1;
 390         }
 391
 392         return 0;
 393 }