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                 ivi_check_pending_desktop_surface(surface);
  97         } else {
  98                 /*
  99                  * We delay creating "normal" desktop surfaces until later, to
 100                  * give the shell-client an oppurtunity to set the surface as a
 101                  * background/panel.
 102                  */
 103                 wl_list_insert(&ivi->pending_surfaces, &surface->link);
 104         }
 105 }
 106
 107 static void
 108 desktop_surface_removed(struct weston_desktop_surface *dsurface, void *userdata)
 109 {
 110         struct ivi_surface *surface =
 111                 weston_desktop_surface_get_user_data(dsurface);
 112         struct weston_surface *wsurface =
 113                 weston_desktop_surface_get_surface(dsurface);
 114
 115         struct ivi_output *output = ivi_layout_get_output_from_surface(surface);
 116         assert(output != NULL);
 117
 118         /* resize the active surface to the original size */
 119         if (surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 120             surface->role == IVI_SURFACE_ROLE_SPLIT_V) {
 121                 if (output && output->active) {
 122                         ivi_layout_desktop_resize(output->active, output->area_saved);
 123                 }
 124                 /* restore the area back so we can re-use it again if needed */
 125                 output->area = output->area_saved;
 126         }
 127
 128         /* reset the active surface as well */
 129         if (output && output->active && output->active == surface) {
 130                 output->active->view->is_mapped = false;
 131                 output->active->view->surface->is_mapped = false;
 132
 133                 weston_layer_entry_remove(&output->active->view->layer_link);
 134                 output->active = NULL;
 135         }
 136         if (weston_surface_is_mapped(wsurface)) {
 137                 weston_desktop_surface_unlink_view(surface->view);
 138                 weston_view_destroy(surface->view);
 139         }
 140
 141         /* invalidate agl-shell surfaces so we can re-use them when
 142          * binding again */
 143         if (surface->role == IVI_SURFACE_ROLE_PANEL) {
 144                 switch (surface->panel.edge) {
 145                 case AGL_SHELL_EDGE_TOP:
 146                         output->top = NULL;
 147                         break;
 148                 case AGL_SHELL_EDGE_BOTTOM:
 149                         output->bottom = NULL;
 150                         break;
 151                 case AGL_SHELL_EDGE_LEFT:
 152                         output->left = NULL;
 153                         break;
 154                 case AGL_SHELL_EDGE_RIGHT:
 155                         output->right = NULL;
 156                         break;
 157                 default:
 158                         assert(!"Invalid edge detected\n");
 159                 }
 160         } else if (surface->role == IVI_SURFACE_ROLE_BACKGROUND) {
 161                 output->background = NULL;
 162         }
 163
 164         wl_list_remove(&surface->link);
 165         free(surface);
 166 }
 167
 168 static void
 169 desktop_committed(struct weston_desktop_surface *dsurface,
 170                   int32_t sx, int32_t sy, void *userdata)
 171 {
 172         struct ivi_surface *surface =
 173                 weston_desktop_surface_get_user_data(dsurface);
 174         struct ivi_policy *policy = surface->ivi->policy;
 175
 176         if (policy && policy->api.surface_commited &&
 177             !policy->api.surface_commited(surface, surface->ivi))
 178                 return;
 179
 180         weston_compositor_schedule_repaint(surface->ivi->compositor);
 181
 182         switch (surface->role) {
 183         case IVI_SURFACE_ROLE_DESKTOP:
 184                 ivi_layout_desktop_committed(surface);
 185                 break;
 186         case IVI_SURFACE_ROLE_PANEL:
 187                 ivi_layout_panel_committed(surface);
 188                 break;
 189         case IVI_SURFACE_ROLE_POPUP:
 190                 ivi_layout_popup_committed(surface);
 191                 break;
 192         case IVI_SURFACE_ROLE_FULLSCREEN:
 193                 ivi_layout_fullscreen_committed(surface);
 194                 break;
 195         case IVI_SURFACE_ROLE_SPLIT_H:
 196         case IVI_SURFACE_ROLE_SPLIT_V:
 197                 ivi_layout_split_committed(surface);
 198                 break;
 199         case IVI_SURFACE_ROLE_NONE:
 200         case IVI_SURFACE_ROLE_BACKGROUND:
 201         default: /* fall through */
 202                 break;
 203         }
 204 }
 205
 206 static void
 207 desktop_show_window_menu(struct weston_desktop_surface *dsurface,
 208                          struct weston_seat *seat, int32_t x, int32_t y,
 209                          void *userdata)
 210 {
 211         /* not supported */
 212 }
 213
 214 static void
 215 desktop_set_parent(struct weston_desktop_surface *dsurface,
 216                    struct weston_desktop_surface *parent, void *userdata)
 217 {
 218         /* not supported */
 219 }
 220
 221 static void
 222 desktop_move(struct weston_desktop_surface *dsurface,
 223              struct weston_seat *seat, uint32_t serial, void *userdata)
 224 {
 225         /* not supported */
 226 }
 227
 228 static void
 229 desktop_resize(struct weston_desktop_surface *dsurface,
 230                struct weston_seat *seat, uint32_t serial,
 231                enum weston_desktop_surface_edge edges, void *user_data)
 232 {
 233         /* not supported */
 234 }
 235
 236 static void
 237 desktop_fullscreen_requested(struct weston_desktop_surface *dsurface,
 238                              bool fullscreen, struct weston_output *output,
 239                              void *userdata)
 240 {
 241         /* not supported */
 242 }
 243
 244 static void
 245 desktop_maximized_requested(struct weston_desktop_surface *dsurface,
 246                             bool maximized, void *userdata)
 247 {
 248         /* not supported */
 249 }
 250
 251 static void
 252 desktop_minimized_requested(struct weston_desktop_surface *dsurface,
 253                             void *userdata)
 254 {
 255         /* not supported */
 256 }
 257
 258 static void
 259 desktop_set_xwayland_position(struct weston_desktop_surface *dsurface,
 260                               int32_t x, int32_t y, void *userdata)
 261 {
 262         /* not supported */
 263 }
 264
 265 static const struct weston_desktop_api desktop_api = {
 266         .struct_size = sizeof desktop_api,
 267         .ping_timeout = desktop_ping_timeout,
 268         .pong = desktop_pong,
 269         .surface_added = desktop_surface_added,
 270         .surface_removed = desktop_surface_removed,
 271         .committed = desktop_committed,
 272         .show_window_menu = desktop_show_window_menu,
 273         .set_parent = desktop_set_parent,
 274         .move = desktop_move,
 275         .resize = desktop_resize,
 276         .fullscreen_requested = desktop_fullscreen_requested,
 277         .maximized_requested = desktop_maximized_requested,
 278         .minimized_requested = desktop_minimized_requested,
 279         .set_xwayland_position = desktop_set_xwayland_position,
 280 };
 281
 282 int
 283 ivi_desktop_init(struct ivi_compositor *ivi)
 284 {
 285         ivi->desktop = weston_desktop_create(ivi->compositor, &desktop_api, ivi);
 286         if (!ivi->desktop) {
 287                 weston_log("Failed to create desktop globals");
 288                 return -1;
 289         }
 290
 291         return 0;
 292 }