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
  84         if (ivi->policy && ivi->policy->api.surface_create &&
  85             !ivi->policy->api.surface_create(surface, ivi)) {
  86                 free(surface);
  87                 wl_client_post_no_memory(client);
  88                 return;
  89         }
  90
  91         weston_desktop_surface_set_user_data(dsurface, surface);
  92
  93         if (ivi->shell_client.ready) {
  94                 ivi_set_desktop_surface(surface);
  95         } else {
  96                 /*
  97                  * We delay creating "normal" desktop surfaces until later, to
  98                  * give the shell-client an oppurtunity to set the surface as a
  99                  * background/panel.
 100                  */
 101                 wl_list_insert(&ivi->pending_surfaces, &surface->link);
 102         }
 103 }
 104
 105 static void
 106 desktop_surface_removed(struct weston_desktop_surface *dsurface, void *userdata)
 107 {
 108         struct ivi_surface *surface =
 109                 weston_desktop_surface_get_user_data(dsurface);
 110         struct weston_surface *wsurface =
 111                 weston_desktop_surface_get_surface(dsurface);
 112
 113         struct ivi_output *output = surface->desktop.last_output;
 114
 115         /* TODO */
 116         if (surface->role != IVI_SURFACE_ROLE_DESKTOP)
 117                 return;
 118
 119         /* reset the active surface as well */
 120         if (output && output->active && output->active == surface) {
 121                 output->active->view->is_mapped = false;
 122                 output->active->view->surface->is_mapped = false;
 123
 124                 weston_layer_entry_remove(&output->active->view->layer_link);
 125                 output->active = NULL;
 126         }
 127         if (weston_surface_is_mapped(wsurface)) {
 128                 weston_desktop_surface_unlink_view(surface->view);
 129                 weston_view_destroy(surface->view);
 130         }
 131
 132         wl_list_remove(&surface->link);
 133         free(surface);
 134 }
 135
 136 static void
 137 desktop_committed(struct weston_desktop_surface *dsurface,
 138                   int32_t sx, int32_t sy, void *userdata)
 139 {
 140         struct ivi_surface *surface =
 141                 weston_desktop_surface_get_user_data(dsurface);
 142         struct ivi_policy *policy = surface->ivi->policy;
 143
 144         if (policy && policy->api.surface_commited &&
 145             !policy->api.surface_commited(surface, surface->ivi))
 146                 return;
 147
 148         weston_compositor_schedule_repaint(surface->ivi->compositor);
 149
 150         switch (surface->role) {
 151         case IVI_SURFACE_ROLE_DESKTOP:
 152                 ivi_layout_desktop_committed(surface);
 153                 break;
 154         case IVI_SURFACE_ROLE_PANEL:
 155                 ivi_layout_panel_committed(surface);
 156                 break;
 157         case IVI_SURFACE_ROLE_NONE:
 158         case IVI_SURFACE_ROLE_BACKGROUND:
 159         default: /* fall through */
 160                 break;
 161         }
 162 }
 163
 164 static void
 165 desktop_show_window_menu(struct weston_desktop_surface *dsurface,
 166                          struct weston_seat *seat, int32_t x, int32_t y,
 167                          void *userdata)
 168 {
 169         /* not supported */
 170 }
 171
 172 static void
 173 desktop_set_parent(struct weston_desktop_surface *dsurface,
 174                    struct weston_desktop_surface *parent, void *userdata)
 175 {
 176         /* not supported */
 177 }
 178
 179 static void
 180 desktop_move(struct weston_desktop_surface *dsurface,
 181              struct weston_seat *seat, uint32_t serial, void *userdata)
 182 {
 183         /* not supported */
 184 }
 185
 186 static void
 187 desktop_resize(struct weston_desktop_surface *dsurface,
 188                struct weston_seat *seat, uint32_t serial,
 189                enum weston_desktop_surface_edge edges, void *user_data)
 190 {
 191         /* not supported */
 192 }
 193
 194 static void
 195 desktop_fullscreen_requested(struct weston_desktop_surface *dsurface,
 196                              bool fullscreen, struct weston_output *output,
 197                              void *userdata)
 198 {
 199         /* not supported */
 200 }
 201
 202 static void
 203 desktop_maximized_requested(struct weston_desktop_surface *dsurface,
 204                             bool maximized, void *userdata)
 205 {
 206         /* not supported */
 207 }
 208
 209 static void
 210 desktop_minimized_requested(struct weston_desktop_surface *dsurface,
 211                             void *userdata)
 212 {
 213         /* not supported */
 214 }
 215
 216 static void
 217 desktop_set_xwayland_position(struct weston_desktop_surface *dsurface,
 218                               int32_t x, int32_t y, void *userdata)
 219 {
 220         /* not supported */
 221 }
 222
 223 static const struct weston_desktop_api desktop_api = {
 224         .struct_size = sizeof desktop_api,
 225         .ping_timeout = desktop_ping_timeout,
 226         .pong = desktop_pong,
 227         .surface_added = desktop_surface_added,
 228         .surface_removed = desktop_surface_removed,
 229         .committed = desktop_committed,
 230         .show_window_menu = desktop_show_window_menu,
 231         .set_parent = desktop_set_parent,
 232         .move = desktop_move,
 233         .resize = desktop_resize,
 234         .fullscreen_requested = desktop_fullscreen_requested,
 235         .maximized_requested = desktop_maximized_requested,
 236         .minimized_requested = desktop_minimized_requested,
 237         .set_xwayland_position = desktop_set_xwayland_position,
 238 };
 239
 240 int
 241 ivi_desktop_init(struct ivi_compositor *ivi)
 242 {
 243         ivi->desktop = weston_desktop_create(ivi->compositor, &desktop_api, ivi);
 244         if (!ivi->desktop) {
 245                 weston_log("Failed to create desktop globals");
 246                 return -1;
 247         }
 248
 249         return 0;
 250 }