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 #if 0
  34 static struct weston_output *
  35 get_default_output(struct weston_compositor *compositor)
  36 {
  37         if (wl_list_empty(&compositor->output_list))
  38                 return NULL;
  39
  40         return wl_container_of(compositor->output_list.next,
  41                                struct weston_output, link);
  42 }
  43 #endif
  44
  45 static void
  46 desktop_ping_timeout(struct weston_desktop_client *dclient, void *userdata)
  47 {
  48         /* not supported */
  49 }
  50
  51 static void
  52 desktop_pong(struct weston_desktop_client *dclient, void *userdata)
  53 {
  54         /* not supported */
  55 }
  56
  57 static void
  58 desktop_surface_added(struct weston_desktop_surface *dsurface, void *userdata)
  59 {
  60         struct ivi_compositor *ivi = userdata;
  61         struct weston_desktop_client *dclient;
  62         struct wl_client *client;
  63         struct ivi_surface *surface;
  64
  65         dclient = weston_desktop_surface_get_client(dsurface);
  66         client = weston_desktop_client_get_client(dclient);
  67
  68         surface = zalloc(sizeof *surface);
  69         if (!surface) {
  70                 wl_client_post_no_memory(client);
  71                 return;
  72         }
  73
  74         surface->view = weston_desktop_surface_create_view(dsurface);
  75         if (!surface->view) {
  76                 free(surface);
  77                 wl_client_post_no_memory(client);
  78                 return;
  79         }
  80
  81         surface->ivi = ivi;
  82         surface->dsurface = dsurface;
  83         surface->role = IVI_SURFACE_ROLE_NONE;
  84         surface->activated_by_default = false;
  85
  86         if (ivi->policy && ivi->policy->api.surface_create &&
  87             !ivi->policy->api.surface_create(surface, ivi)) {
  88                 free(surface);
  89                 wl_client_post_no_memory(client);
  90                 return;
  91         }
  92
  93         weston_desktop_surface_set_user_data(dsurface, surface);
  94
  95         if (ivi->shell_client.ready) {
  96                 if (ivi_check_pending_desktop_surface_popup(surface))
  97                         ivi_set_desktop_surface_popup(surface);
  98                 else
  99                         ivi_set_desktop_surface(surface);
 100         } else {
 101                 /*
 102                  * We delay creating "normal" desktop surfaces until later, to
 103                  * give the shell-client an oppurtunity to set the surface as a
 104                  * background/panel.
 105                  */
 106                 wl_list_insert(&ivi->pending_surfaces, &surface->link);
 107         }
 108 }
 109
 110 static void
 111 desktop_surface_removed(struct weston_desktop_surface *dsurface, void *userdata)
 112 {
 113         struct ivi_surface *surface =
 114                 weston_desktop_surface_get_user_data(dsurface);
 115         struct weston_surface *wsurface =
 116                 weston_desktop_surface_get_surface(dsurface);
 117
 118         struct ivi_output *output;
 119
 120         if (surface->role == IVI_SURFACE_ROLE_DESKTOP)
 121                 output = surface->desktop.last_output;
 122         else if (surface->role == IVI_SURFACE_ROLE_POPUP)
 123                 output = surface->popup.output;
 124         else
 125                 return;
 126
 127         /* reset the active surface as well */
 128         if (output && output->active && output->active == surface) {
 129                 output->active->view->is_mapped = false;
 130                 output->active->view->surface->is_mapped = false;
 131
 132                 weston_layer_entry_remove(&output->active->view->layer_link);
 133                 output->active = NULL;
 134         }
 135         if (weston_surface_is_mapped(wsurface)) {
 136                 weston_desktop_surface_unlink_view(surface->view);
 137                 weston_view_destroy(surface->view);
 138         }
 139
 140         /* invalidate agl-shell surfaces so we can re-use them when
 141          * binding again */
 142         if (surface->role == IVI_SURFACE_ROLE_PANEL) {
 143                 switch (surface->panel.edge) {
 144                 case AGL_SHELL_EDGE_TOP:
 145                         output->top = NULL;
 146                         break;
 147                 case AGL_SHELL_EDGE_BOTTOM:
 148                         output->bottom = NULL;
 149                         break;
 150                 case AGL_SHELL_EDGE_LEFT:
 151                         output->left = NULL;
 152                         break;
 153                 case AGL_SHELL_EDGE_RIGHT:
 154                         output->right = NULL;
 155                         break;
 156                 default:
 157                         assert(!"Invalid edge detected\n");
 158                 }
 159         } else if (surface->role == IVI_SURFACE_ROLE_BACKGROUND) {
 160                 output->background = NULL;
 161         }
 162
 163         wl_list_remove(&surface->link);
 164         free(surface);
 165 }
 166
 167 static void
 168 desktop_committed(struct weston_desktop_surface *dsurface,
 169                   int32_t sx, int32_t sy, void *userdata)
 170 {
 171         struct ivi_surface *surface =
 172                 weston_desktop_surface_get_user_data(dsurface);
 173         struct ivi_policy *policy = surface->ivi->policy;
 174
 175         if (policy && policy->api.surface_commited &&
 176             !policy->api.surface_commited(surface, surface->ivi))
 177                 return;
 178
 179         weston_compositor_schedule_repaint(surface->ivi->compositor);
 180
 181         switch (surface->role) {
 182         case IVI_SURFACE_ROLE_DESKTOP:
 183                 ivi_layout_desktop_committed(surface);
 184                 break;
 185         case IVI_SURFACE_ROLE_PANEL:
 186                 ivi_layout_panel_committed(surface);
 187                 break;
 188         case IVI_SURFACE_ROLE_POPUP:
 189                 ivi_layout_popup_committed(surface);
 190                 break;
 191         case IVI_SURFACE_ROLE_NONE:
 192         case IVI_SURFACE_ROLE_BACKGROUND:
 193         default: /* fall through */
 194                 break;
 195         }
 196 }
 197
 198 static void
 199 desktop_show_window_menu(struct weston_desktop_surface *dsurface,
 200                          struct weston_seat *seat, int32_t x, int32_t y,
 201                          void *userdata)
 202 {
 203         /* not supported */
 204 }
 205
 206 static void
 207 desktop_set_parent(struct weston_desktop_surface *dsurface,
 208                    struct weston_desktop_surface *parent, void *userdata)
 209 {
 210         /* not supported */
 211 }
 212
 213 static void
 214 desktop_move(struct weston_desktop_surface *dsurface,
 215              struct weston_seat *seat, uint32_t serial, void *userdata)
 216 {
 217         /* not supported */
 218 }
 219
 220 static void
 221 desktop_resize(struct weston_desktop_surface *dsurface,
 222                struct weston_seat *seat, uint32_t serial,
 223                enum weston_desktop_surface_edge edges, void *user_data)
 224 {
 225         /* not supported */
 226 }
 227
 228 static void
 229 desktop_fullscreen_requested(struct weston_desktop_surface *dsurface,
 230                              bool fullscreen, struct weston_output *output,
 231                              void *userdata)
 232 {
 233         /* not supported */
 234 }
 235
 236 static void
 237 desktop_maximized_requested(struct weston_desktop_surface *dsurface,
 238                             bool maximized, void *userdata)
 239 {
 240         /* not supported */
 241 }
 242
 243 static void
 244 desktop_minimized_requested(struct weston_desktop_surface *dsurface,
 245                             void *userdata)
 246 {
 247         /* not supported */
 248 }
 249
 250 static void
 251 desktop_set_xwayland_position(struct weston_desktop_surface *dsurface,
 252                               int32_t x, int32_t y, void *userdata)
 253 {
 254         /* not supported */
 255 }
 256
 257 static const struct weston_desktop_api desktop_api = {
 258         .struct_size = sizeof desktop_api,
 259         .ping_timeout = desktop_ping_timeout,
 260         .pong = desktop_pong,
 261         .surface_added = desktop_surface_added,
 262         .surface_removed = desktop_surface_removed,
 263         .committed = desktop_committed,
 264         .show_window_menu = desktop_show_window_menu,
 265         .set_parent = desktop_set_parent,
 266         .move = desktop_move,
 267         .resize = desktop_resize,
 268         .fullscreen_requested = desktop_fullscreen_requested,
 269         .maximized_requested = desktop_maximized_requested,
 270         .minimized_requested = desktop_minimized_requested,
 271         .set_xwayland_position = desktop_set_xwayland_position,
 272 };
 273
 274 int
 275 ivi_desktop_init(struct ivi_compositor *ivi)
 276 {
 277         ivi->desktop = weston_desktop_create(ivi->compositor, &desktop_api, ivi);
 278         if (!ivi->desktop) {
 279                 weston_log("Failed to create desktop globals");
 280                 return -1;
 281         }
 282
 283         return 0;
 284 }