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                 if (ivi_check_pending_desktop_surface_popup(surface))
  96                         ivi_set_desktop_surface_popup(surface);
  97                 else
  98                         ivi_set_desktop_surface(surface);
  99         } else {
 100                 /*
 101                  * We delay creating "normal" desktop surfaces until later, to
 102                  * give the shell-client an oppurtunity to set the surface as a
 103                  * background/panel.
 104                  */
 105                 wl_list_insert(&ivi->pending_surfaces, &surface->link);
 106         }
 107 }
 108
 109 static void
 110 desktop_surface_removed(struct weston_desktop_surface *dsurface, void *userdata)
 111 {
 112         struct ivi_surface *surface =
 113                 weston_desktop_surface_get_user_data(dsurface);
 114         struct weston_surface *wsurface =
 115                 weston_desktop_surface_get_surface(dsurface);
 116
 117         struct ivi_output *output;
 118
 119         if (surface->role == IVI_SURFACE_ROLE_DESKTOP)
 120                 output = surface->desktop.last_output;
 121         else if (surface->role == IVI_SURFACE_ROLE_POPUP)
 122                 output = surface->popup.output;
 123         else
 124                 return;
 125
 126         /* reset the active surface as well */
 127         if (output && output->active && output->active == surface) {
 128                 output->active->view->is_mapped = false;
 129                 output->active->view->surface->is_mapped = false;
 130
 131                 weston_layer_entry_remove(&output->active->view->layer_link);
 132                 output->active = NULL;
 133         }
 134         if (weston_surface_is_mapped(wsurface)) {
 135                 weston_desktop_surface_unlink_view(surface->view);
 136                 weston_view_destroy(surface->view);
 137         }
 138
 139         wl_list_remove(&surface->link);
 140         free(surface);
 141 }
 142
 143 static void
 144 desktop_committed(struct weston_desktop_surface *dsurface,
 145                   int32_t sx, int32_t sy, void *userdata)
 146 {
 147         struct ivi_surface *surface =
 148                 weston_desktop_surface_get_user_data(dsurface);
 149         struct ivi_policy *policy = surface->ivi->policy;
 150
 151         if (policy && policy->api.surface_commited &&
 152             !policy->api.surface_commited(surface, surface->ivi))
 153                 return;
 154
 155         weston_compositor_schedule_repaint(surface->ivi->compositor);
 156
 157         switch (surface->role) {
 158         case IVI_SURFACE_ROLE_DESKTOP:
 159                 ivi_layout_desktop_committed(surface);
 160                 break;
 161         case IVI_SURFACE_ROLE_PANEL:
 162                 ivi_layout_panel_committed(surface);
 163                 break;
 164         case IVI_SURFACE_ROLE_POPUP:
 165                 ivi_layout_popup_committed(surface);
 166                 break;
 167         case IVI_SURFACE_ROLE_NONE:
 168         case IVI_SURFACE_ROLE_BACKGROUND:
 169         default: /* fall through */
 170                 break;
 171         }
 172 }
 173
 174 static void
 175 desktop_show_window_menu(struct weston_desktop_surface *dsurface,
 176                          struct weston_seat *seat, int32_t x, int32_t y,
 177                          void *userdata)
 178 {
 179         /* not supported */
 180 }
 181
 182 static void
 183 desktop_set_parent(struct weston_desktop_surface *dsurface,
 184                    struct weston_desktop_surface *parent, void *userdata)
 185 {
 186         /* not supported */
 187 }
 188
 189 static void
 190 desktop_move(struct weston_desktop_surface *dsurface,
 191              struct weston_seat *seat, uint32_t serial, void *userdata)
 192 {
 193         /* not supported */
 194 }
 195
 196 static void
 197 desktop_resize(struct weston_desktop_surface *dsurface,
 198                struct weston_seat *seat, uint32_t serial,
 199                enum weston_desktop_surface_edge edges, void *user_data)
 200 {
 201         /* not supported */
 202 }
 203
 204 static void
 205 desktop_fullscreen_requested(struct weston_desktop_surface *dsurface,
 206                              bool fullscreen, struct weston_output *output,
 207                              void *userdata)
 208 {
 209         /* not supported */
 210 }
 211
 212 static void
 213 desktop_maximized_requested(struct weston_desktop_surface *dsurface,
 214                             bool maximized, void *userdata)
 215 {
 216         /* not supported */
 217 }
 218
 219 static void
 220 desktop_minimized_requested(struct weston_desktop_surface *dsurface,
 221                             void *userdata)
 222 {
 223         /* not supported */
 224 }
 225
 226 static void
 227 desktop_set_xwayland_position(struct weston_desktop_surface *dsurface,
 228                               int32_t x, int32_t y, void *userdata)
 229 {
 230         /* not supported */
 231 }
 232
 233 static const struct weston_desktop_api desktop_api = {
 234         .struct_size = sizeof desktop_api,
 235         .ping_timeout = desktop_ping_timeout,
 236         .pong = desktop_pong,
 237         .surface_added = desktop_surface_added,
 238         .surface_removed = desktop_surface_removed,
 239         .committed = desktop_committed,
 240         .show_window_menu = desktop_show_window_menu,
 241         .set_parent = desktop_set_parent,
 242         .move = desktop_move,
 243         .resize = desktop_resize,
 244         .fullscreen_requested = desktop_fullscreen_requested,
 245         .maximized_requested = desktop_maximized_requested,
 246         .minimized_requested = desktop_minimized_requested,
 247         .set_xwayland_position = desktop_set_xwayland_position,
 248 };
 249
 250 int
 251 ivi_desktop_init(struct ivi_compositor *ivi)
 252 {
 253         ivi->desktop = weston_desktop_create(ivi->compositor, &desktop_api, ivi);
 254         if (!ivi->desktop) {
 255                 weston_log("Failed to create desktop globals");
 256                 return -1;
 257         }
 258
 259         return 0;
 260 }