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 "ivi-compositor.h"
  27 #include "policy.h"
  28
  29 #include <libweston/libweston.h>
  30 #include <libweston-desktop/libweston-desktop.h>
  31
  32 #if 0
  33 static struct weston_output *
  34 get_default_output(struct weston_compositor *compositor)
  35 {
  36         if (wl_list_empty(&compositor->output_list))
  37                 return NULL;
  38
  39         return wl_container_of(compositor->output_list.next,
  40                                struct weston_output, link);
  41 }
  42 #endif
  43
  44 static void
  45 desktop_ping_timeout(struct weston_desktop_client *dclient, void *userdata)
  46 {
  47         /* not supported */
  48 }
  49
  50 static void
  51 desktop_pong(struct weston_desktop_client *dclient, void *userdata)
  52 {
  53         /* not supported */
  54 }
  55
  56 static void
  57 desktop_surface_added(struct weston_desktop_surface *dsurface, void *userdata)
  58 {
  59         struct ivi_compositor *ivi = userdata;
  60         struct weston_desktop_client *dclient;
  61         struct wl_client *client;
  62         struct ivi_surface *surface;
  63
  64         dclient = weston_desktop_surface_get_client(dsurface);
  65         client = weston_desktop_client_get_client(dclient);
  66
  67         surface = zalloc(sizeof *surface);
  68         if (!surface) {
  69                 wl_client_post_no_memory(client);
  70                 return;
  71         }
  72
  73         surface->view = weston_desktop_surface_create_view(dsurface);
  74         if (!surface->view) {
  75                 free(surface);
  76                 wl_client_post_no_memory(client);
  77                 return;
  78         }
  79
  80         surface->ivi = ivi;
  81         surface->dsurface = dsurface;
  82         surface->role = IVI_SURFACE_ROLE_NONE;
  83         surface->activated_by_default = false;
  84
  85         if (ivi->policy && ivi->policy->api.surface_create &&
  86             !ivi->policy->api.surface_create(surface, ivi)) {
  87                 free(surface);
  88                 wl_client_post_no_memory(client);
  89                 return;
  90         }
  91
  92         weston_desktop_surface_set_user_data(dsurface, surface);
  93
  94         if (ivi->shell_client.ready) {
  95                 ivi_check_pending_desktop_surface(surface);
  96         } else {
  97                 /*
  98                  * We delay creating "normal" desktop surfaces until later, to
  99                  * give the shell-client an oppurtunity to set the surface as a
 100                  * background/panel.
 101                  */
 102                 wl_list_insert(&ivi->pending_surfaces, &surface->link);
 103         }
 104 }
 105
 106 static void
 107 desktop_surface_removed(struct weston_desktop_surface *dsurface, void *userdata)
 108 {
 109         struct ivi_surface *surface =
 110                 weston_desktop_surface_get_user_data(dsurface);
 111         struct weston_surface *wsurface =
 112                 weston_desktop_surface_get_surface(dsurface);
 113
 114         struct ivi_output *output;
 115
 116         if (surface->role == IVI_SURFACE_ROLE_DESKTOP)
 117                 output = surface->desktop.last_output;
 118         else if (surface->role == IVI_SURFACE_ROLE_POPUP)
 119                 output = surface->popup.output;
 120         else if (surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 121                  surface->role == IVI_SURFACE_ROLE_SPLIT_V)
 122                 output = surface->split.output;
 123         else if (surface->role == IVI_SURFACE_ROLE_FS)
 124                 output = surface->fs.output;
 125         else
 126                 return;
 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         wl_list_remove(&surface->link);
 142         free(surface);
 143 }
 144
 145 static void
 146 desktop_committed(struct weston_desktop_surface *dsurface,
 147                   int32_t sx, int32_t sy, void *userdata)
 148 {
 149         struct ivi_surface *surface =
 150                 weston_desktop_surface_get_user_data(dsurface);
 151         struct ivi_policy *policy = surface->ivi->policy;
 152
 153         if (policy && policy->api.surface_commited &&
 154             !policy->api.surface_commited(surface, surface->ivi))
 155                 return;
 156
 157         weston_compositor_schedule_repaint(surface->ivi->compositor);
 158
 159         switch (surface->role) {
 160         case IVI_SURFACE_ROLE_DESKTOP:
 161                 ivi_layout_desktop_committed(surface);
 162                 break;
 163         case IVI_SURFACE_ROLE_PANEL:
 164                 ivi_layout_panel_committed(surface);
 165                 break;
 166         case IVI_SURFACE_ROLE_POPUP:
 167                 ivi_layout_popup_committed(surface);
 168                 break;
 169         case IVI_SURFACE_ROLE_FS:
 170                 ivi_layout_fs_committed(surface);
 171                 break;
 172         case IVI_SURFACE_ROLE_SPLIT_H:
 173         case IVI_SURFACE_ROLE_SPLIT_V:
 174                 ivi_layout_split_committed(surface);
 175                 break;
 176         case IVI_SURFACE_ROLE_NONE:
 177         case IVI_SURFACE_ROLE_BACKGROUND:
 178         default: /* fall through */
 179                 break;
 180         }
 181 }
 182
 183 static void
 184 desktop_show_window_menu(struct weston_desktop_surface *dsurface,
 185                          struct weston_seat *seat, int32_t x, int32_t y,
 186                          void *userdata)
 187 {
 188         /* not supported */
 189 }
 190
 191 static void
 192 desktop_set_parent(struct weston_desktop_surface *dsurface,
 193                    struct weston_desktop_surface *parent, void *userdata)
 194 {
 195         /* not supported */
 196 }
 197
 198 static void
 199 desktop_move(struct weston_desktop_surface *dsurface,
 200              struct weston_seat *seat, uint32_t serial, void *userdata)
 201 {
 202         /* not supported */
 203 }
 204
 205 static void
 206 desktop_resize(struct weston_desktop_surface *dsurface,
 207                struct weston_seat *seat, uint32_t serial,
 208                enum weston_desktop_surface_edge edges, void *user_data)
 209 {
 210         /* not supported */
 211 }
 212
 213 static void
 214 desktop_fullscreen_requested(struct weston_desktop_surface *dsurface,
 215                              bool fullscreen, struct weston_output *output,
 216                              void *userdata)
 217 {
 218         /* not supported */
 219 }
 220
 221 static void
 222 desktop_maximized_requested(struct weston_desktop_surface *dsurface,
 223                             bool maximized, void *userdata)
 224 {
 225         /* not supported */
 226 }
 227
 228 static void
 229 desktop_minimized_requested(struct weston_desktop_surface *dsurface,
 230                             void *userdata)
 231 {
 232         /* not supported */
 233 }
 234
 235 static void
 236 desktop_set_xwayland_position(struct weston_desktop_surface *dsurface,
 237                               int32_t x, int32_t y, void *userdata)
 238 {
 239         /* not supported */
 240 }
 241
 242 static const struct weston_desktop_api desktop_api = {
 243         .struct_size = sizeof desktop_api,
 244         .ping_timeout = desktop_ping_timeout,
 245         .pong = desktop_pong,
 246         .surface_added = desktop_surface_added,
 247         .surface_removed = desktop_surface_removed,
 248         .committed = desktop_committed,
 249         .show_window_menu = desktop_show_window_menu,
 250         .set_parent = desktop_set_parent,
 251         .move = desktop_move,
 252         .resize = desktop_resize,
 253         .fullscreen_requested = desktop_fullscreen_requested,
 254         .maximized_requested = desktop_maximized_requested,
 255         .minimized_requested = desktop_minimized_requested,
 256         .set_xwayland_position = desktop_set_xwayland_position,
 257 };
 258
 259 int
 260 ivi_desktop_init(struct ivi_compositor *ivi)
 261 {
 262         ivi->desktop = weston_desktop_create(ivi->compositor, &desktop_api, ivi);
 263         if (!ivi->desktop) {
 264                 weston_log("Failed to create desktop globals");
 265                 return -1;
 266         }
 267
 268         return 0;
 269 }