src/layout.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 #include "shared/helpers.h"
  29
  30 #include <assert.h>
  31 #include <string.h>
  32
  33 #include <libweston/config-parser.h>
  34 #include <libweston/libweston.h>
  35 #include <libweston-desktop/libweston-desktop.h>
  36
  37 #include "agl-shell-desktop-server-protocol.h"
  38
  39 #define AGL_COMP_DEBUG
  40
  41 static const char *ivi_roles_as_string[] = {
  42         [IVI_SURFACE_ROLE_NONE]         = "NONE",
  43         [IVI_SURFACE_ROLE_BACKGROUND]   = "BACKGROUND",
  44         [IVI_SURFACE_ROLE_PANEL]        = "PANEL",
  45         [IVI_SURFACE_ROLE_DESKTOP]      = "DESKTOP",
  46         [IVI_SURFACE_ROLE_POPUP]        = "POPUP",
  47         [IVI_SURFACE_ROLE_SPLIT_H]      = "SPLIT_H",
  48         [IVI_SURFACE_ROLE_SPLIT_V]      = "SPLIT_V",
  49         [IVI_SURFACE_ROLE_FULLSCREEN]   = "FULLSCREEN",
  50         [IVI_SURFACE_ROLE_REMOTE]       = "REMOTE",
  51 };
  52
  53 bool
  54 ivi_surf_in_hidden_layer(struct ivi_compositor *ivi, struct ivi_surface *surface);
  55
  56 const char *
  57 ivi_layout_get_surface_role_name(struct ivi_surface *surf)
  58 {
  59         if (surf->role < 0 || surf->role >= ARRAY_LENGTH(ivi_roles_as_string))
  60                 return " unknown surface role";
  61
  62         return ivi_roles_as_string[surf->role];
  63 }
  64
  65 static void
  66 ivi_background_init(struct ivi_compositor *ivi, struct ivi_output *output)
  67 {
  68         struct weston_output *woutput = output->output;
  69         struct ivi_surface *bg = output->background;
  70         struct weston_view *view;
  71
  72         if (!bg) {
  73                 weston_log("WARNING: Output does not have a background\n");
  74                 return;
  75         }
  76
  77         assert(bg->role == IVI_SURFACE_ROLE_BACKGROUND);
  78
  79         view = bg->view;
  80
  81         weston_view_set_output(view, woutput);
  82         weston_view_set_position(view, woutput->x, woutput->y);
  83
  84         weston_log("(background) position view %p, x %d, y %d, on output %s\n", view,
  85                         woutput->x, woutput->y, output->name);
  86
  87         view->is_mapped = true;
  88         view->surface->is_mapped = true;
  89
  90         weston_layer_entry_insert(&ivi->background.view_list, &view->layer_link);
  91 }
  92
  93 static void
  94 ivi_panel_init(struct ivi_compositor *ivi, struct ivi_output *output,
  95                struct ivi_surface *panel)
  96 {
  97         struct weston_output *woutput = output->output;
  98         struct weston_desktop_surface *dsurface;
  99         struct weston_view *view;
 100         struct weston_geometry geom;
 101         int x = woutput->x;
 102         int y = woutput->y;
 103
 104         if (!panel)
 105                 return;
 106
 107         assert(panel->role == IVI_SURFACE_ROLE_PANEL);
 108         dsurface = panel->dsurface;
 109         view = panel->view;
 110         geom = weston_desktop_surface_get_geometry(dsurface);
 111
 112         weston_log("(panel) geom.width %d, geom.height %d, geom.x %d, geom.y %d\n",
 113                         geom.width, geom.height, geom.x, geom.y);
 114
 115         switch (panel->panel.edge) {
 116         case AGL_SHELL_EDGE_TOP:
 117                 output->area.y += geom.height;
 118                 output->area.height -= geom.height;
 119                 break;
 120         case AGL_SHELL_EDGE_BOTTOM:
 121                 y += woutput->height - geom.height;
 122                 output->area.height -= geom.height;
 123                 break;
 124         case AGL_SHELL_EDGE_LEFT:
 125                 output->area.x += geom.width;
 126                 output->area.width -= geom.width;
 127                 break;
 128         case AGL_SHELL_EDGE_RIGHT:
 129                 x += woutput->width - geom.width;
 130                 output->area.width -= geom.width;
 131                 break;
 132         }
 133
 134         x -= geom.x;
 135         y -= geom.y;
 136
 137         weston_view_set_output(view, woutput);
 138         weston_view_set_position(view, x, y);
 139
 140         weston_log("(panel) edge %d position view %p, x %d, y %d\n",
 141                         panel->panel.edge, view, x, y);
 142
 143         view->is_mapped = true;
 144         view->surface->is_mapped = true;
 145
 146         weston_log("panel type %d inited on output %s\n", panel->panel.edge,
 147                         output->name);
 148
 149         weston_layer_entry_insert(&ivi->panel.view_list, &view->layer_link);
 150 }
 151
 152 /*
 153  * Initializes all static parts of the layout, i.e. the background and panels.
 154  */
 155 void
 156 ivi_layout_init(struct ivi_compositor *ivi, struct ivi_output *output)
 157 {
 158         bool use_default_area = true;
 159         struct weston_config_section *section = output->config;
 160         char *t;
 161
 162         weston_config_section_get_string(section, "activation-area", &t, NULL);
 163         if (t) {
 164                 if (output->area_activation.width == 0 &&
 165                     output->area_activation.height == 0 &&
 166                     output->area_activation.x == 0 &&
 167                     output->area_activation.y == 0) {
 168                         weston_log("WARNING: activation-area set in "
 169                                         "configuration file, but yet applied!\n");
 170                         if (parse_activation_area(t, output) < 0)
 171                                 weston_log("Invalid activation-area \"%s\" for output %s\n",
 172                                            t, output->name);
 173                 } else {
 174                         weston_log("WARNING: activation-area detected in ini file, "
 175                                         "but agl_shell override detected!\n");
 176                         if (parse_activation_area(t, output) < 0)
 177                                 weston_log("Invalid activation-area \"%s\" for output %s\n",
 178                                            t, output->name);
 179                 }
 180         }
 181         free(t);
 182
 183         ivi_background_init(ivi, output);
 184
 185         if (output->area_activation.width ||
 186             output->area_activation.height ||
 187             output->area_activation.x ||
 188             output->area_activation.y) {
 189                 /* Sanity check target area is within output bounds */
 190                 if ((output->area_activation.x + output->area_activation.width) < output->output->width ||
 191                     (output->area_activation.y + output->area_activation.height) < output->output->height) {
 192                         weston_log("Using specified area for output %s, ignoring panels\n",
 193                                    output->name);
 194                         output->area.x = output->area_activation.x;
 195                         output->area.y = output->area_activation.y;
 196                         output->area.width = output->area_activation.width;
 197                         output->area.height = output->area_activation.height;
 198                         use_default_area = false;
 199                 } else {
 200                         weston_log("Invalid activation-area position for output %s, ignoring\n",
 201                                    output->name);
 202                 }
 203         }
 204         if (use_default_area) {
 205                 output->area.x = 0;
 206                 output->area.y = 0;
 207                 output->area.width = output->output->width;
 208                 output->area.height = output->output->height;
 209
 210                 ivi_panel_init(ivi, output, output->top);
 211                 ivi_panel_init(ivi, output, output->bottom);
 212                 ivi_panel_init(ivi, output, output->left);
 213                 ivi_panel_init(ivi, output, output->right);
 214         }
 215
 216         weston_compositor_schedule_repaint(ivi->compositor);
 217
 218         weston_log("Usable area: %dx%d+%d,%d\n",
 219                    output->area.width, output->area.height,
 220                    output->area.x, output->area.y);
 221 }
 222
 223 struct ivi_surface *
 224 ivi_find_app(struct ivi_compositor *ivi, const char *app_id)
 225 {
 226         struct ivi_surface *surf;
 227         const char *id;
 228
 229         wl_list_for_each(surf, &ivi->surfaces, link) {
 230                 id = weston_desktop_surface_get_app_id(surf->dsurface);
 231                 if (id && strcmp(app_id, id) == 0)
 232                         return surf;
 233         }
 234
 235         return NULL;
 236 }
 237
 238 static void
 239 ivi_layout_activate_complete(struct ivi_output *output,
 240                              struct ivi_surface *surf)
 241 {
 242         struct ivi_compositor *ivi = output->ivi;
 243         struct weston_output *woutput = output->output;
 244         struct weston_view *view = surf->view;
 245         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 246         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 247         const char *app_id = weston_desktop_surface_get_app_id(surf->dsurface);
 248         bool update_previous = true;
 249
 250         if (weston_view_is_mapped(view)) {
 251                 weston_layer_entry_remove(&view->layer_link);
 252         } else {
 253                 weston_view_update_transform(view);
 254         }
 255
 256         if (output_has_black_curtain(output)) {
 257                 if (!output->background) {
 258                         weston_log("Found that we have no background surface "
 259                                     "for output %s. Using black curtain as background\n",
 260                                     output->output->name);
 261
 262                         struct weston_view *ev =
 263                                 output->fullscreen_view.fs->view;
 264
 265                         /* use the black curtain as background when we have
 266                          * none added by the shell client. */
 267                         weston_layer_entry_remove(&ev->layer_link);
 268                         weston_layer_entry_insert(&ivi->normal.view_list,
 269                                                   &ev->layer_link);
 270                         weston_view_geometry_dirty(ev);
 271                         weston_surface_damage(ev->surface);
 272                 } else {
 273                         remove_black_curtain(output);
 274                 }
 275         }
 276
 277
 278         weston_view_set_output(view, woutput);
 279         /* drop any previous masks set on this view */
 280         weston_view_set_mask_infinite(view);
 281
 282         if (surf->role != IVI_SURFACE_ROLE_BACKGROUND)
 283                 weston_view_set_position(view,
 284                                          woutput->x + output->area.x,
 285                                          woutput->y + output->area.y);
 286
 287         view->is_mapped = true;
 288         surf->mapped = true;
 289         view->surface->is_mapped = true;
 290
 291         /* handle a movement from one output to another */
 292         if (surf->current_completed_output &&
 293             surf->current_completed_output != output) {
 294
 295                 /* we're migrating the same surface but to another output */
 296                 if (surf->current_completed_output->active == surf) {
 297                         struct weston_view *ev =
 298                                 surf->current_completed_output->active->view;
 299
 300                         weston_layer_entry_remove(&ev->layer_link);
 301                         surf->current_completed_output->previous_active =
 302                                 surf->current_completed_output->active;
 303                         surf->current_completed_output->active = NULL;
 304
 305                         /* damage all possible outputs to avoid stale views */
 306                         weston_compositor_damage_all(ivi->compositor);
 307                 }
 308         }
 309
 310         if (output->active) {
 311                 /* keep the background surface mapped at all times */
 312                 if (output->active->role != IVI_SURFACE_ROLE_BACKGROUND) {
 313                         output->active->view->is_mapped = false;
 314                         output->active->view->surface->is_mapped = false;
 315
 316                         weston_layer_entry_remove(&output->active->view->layer_link);
 317                 }
 318         }
 319
 320         if (output->previous_active && output->active) {
 321                 const char *c_app_id =
 322                         weston_desktop_surface_get_app_id(output->active->dsurface);
 323
 324                 /* if the currently activated app_id is the same as the one
 325                  * we're trying to complete activation with means we're
 326                  * operating on the same app_id so do update previous_active as
 327                  * it will overwrite it with the same value */
 328                 if (!strcmp(c_app_id, app_id)) {
 329                         update_previous = false;
 330                 }
 331         }
 332
 333         if (update_previous)
 334                 output->previous_active = output->active;
 335         output->active = surf;
 336         surf->current_completed_output = output;
 337
 338         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 339         weston_view_geometry_dirty(view);
 340         weston_surface_damage(view->surface);
 341
 342         if (ivi_seat)
 343                 ivi_shell_activate_surface(surf, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 344
 345         /*
 346          * the 'remote' role now makes use of this part so make sure we don't
 347          * trip the enum such that we might end up with a modified output for
 348          * 'remote' role
 349          */
 350         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
 351                 if (surf->desktop.pending_output)
 352                         surf->desktop.last_output = surf->desktop.pending_output;
 353                 surf->desktop.pending_output = NULL;
 354         }
 355
 356         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 357                         app_id,
 358                         ivi_layout_get_surface_role_name(surf), output->name);
 359
 360         shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_ACTIVATED);
 361 }
 362
 363 static bool
 364 ivi_layout_find_output_with_app_id(const char *app_id, struct ivi_output *output)
 365 {
 366         char *cur;
 367         size_t app_id_len;
 368
 369         cur = output->app_ids;
 370         app_id_len = strlen(app_id);
 371
 372         while ((cur = strstr(cur, app_id))) {
 373                 if ((cur[app_id_len] == ',' || cur[app_id_len] == '\0') &&
 374                     (cur == output->app_ids || cur[-1] == ','))
 375                         return true;
 376                 cur++;
 377         }
 378
 379         return false;
 380 }
 381
 382 struct ivi_output *
 383 ivi_layout_find_with_app_id(const char *app_id, struct ivi_compositor *ivi)
 384 {
 385         struct ivi_output *out;
 386
 387         if (!app_id)
 388                 return NULL;
 389
 390         wl_list_for_each(out, &ivi->outputs, link) {
 391                 if (!out->app_ids)
 392                         continue;
 393
 394                 if (ivi_layout_find_output_with_app_id(app_id, out))
 395                         return out;
 396         }
 397         return NULL;
 398 }
 399
 400 struct ivi_output *
 401 ivi_layout_find_bg_output(struct ivi_compositor *ivi)
 402 {
 403         struct ivi_output *out;
 404
 405         wl_list_for_each(out, &ivi->outputs, link) {
 406                 if (out->background &&
 407                     out->background->role == IVI_SURFACE_ROLE_BACKGROUND)
 408                         return out;
 409         }
 410
 411         return NULL;
 412 }
 413
 414
 415 static void
 416 ivi_layout_add_to_hidden_layer(struct ivi_surface *surf,
 417                                struct ivi_output *ivi_output)
 418 {
 419         struct weston_desktop_surface *dsurf = surf->dsurface;
 420         struct weston_view *ev = surf->view;
 421         struct ivi_compositor *ivi = surf->ivi;
 422         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 423
 424         /*
 425          * If the view isn't mapped, we put it onto the hidden layer so it will
 426          * start receiving frame events, and will be able to act on our
 427          * configure event.
 428          */
 429         if (!weston_view_is_mapped(ev)) {
 430                 ev->is_mapped = true;
 431                 ev->surface->is_mapped = true;
 432
 433                 weston_desktop_surface_set_maximized(dsurf, true);
 434                 weston_desktop_surface_set_size(dsurf,
 435                                                 ivi_output->area.width,
 436                                                 ivi_output->area.height);
 437
 438                 weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 439                            app_id, ivi_layout_get_surface_role_name(surf),
 440                            ivi_output->area.width, ivi_output->area.height);
 441
 442                 surf->hidden_layer_output = ivi_output;
 443                 weston_view_set_output(ev, ivi_output->output);
 444                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
 445                 weston_log("Placed app_id %s, type %s in hidden layer on output %s\n",
 446                                 app_id, ivi_layout_get_surface_role_name(surf),
 447                                 ivi_output->output->name);
 448
 449                 weston_compositor_schedule_repaint(ivi->compositor);
 450                 return;
 451         }
 452
 453         /* we might have another output to activate */
 454         if (surf->hidden_layer_output &&
 455             surf->hidden_layer_output != ivi_output) {
 456                 weston_layer_entry_remove(&ev->layer_link);
 457                 weston_view_geometry_dirty(ev);
 458                 weston_surface_damage(ev->surface);
 459
 460                 if (ivi_output->area.width != surf->hidden_layer_output->area.width ||
 461                     ivi_output->area.height != surf->hidden_layer_output->area.height) {
 462                         weston_desktop_surface_set_maximized(dsurf, true);
 463                         weston_desktop_surface_set_size(dsurf,
 464                                                         ivi_output->area.width,
 465                                                         ivi_output->area.height);
 466                 }
 467
 468                 weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 469                                 app_id, ivi_layout_get_surface_role_name(surf),
 470                                 ivi_output->area.width, ivi_output->area.height);
 471
 472                 surf->hidden_layer_output = ivi_output;
 473                 weston_view_set_output(ev, ivi_output->output);
 474                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
 475                 weston_log("Placed app_id %s, type %s in hidden layer on output %s\n",
 476                                 app_id, ivi_layout_get_surface_role_name(surf),
 477                                 ivi_output->output->name);
 478         }
 479
 480         weston_compositor_schedule_repaint(ivi->compositor);
 481 }
 482
 483 void
 484 ivi_layout_remote_committed(struct ivi_surface *surf)
 485 {
 486         struct weston_desktop_surface *dsurf = surf->dsurface;
 487         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 488         struct ivi_policy *policy = surf->ivi->policy;
 489         struct ivi_output *output;
 490         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 491
 492         assert(surf->role == IVI_SURFACE_ROLE_REMOTE);
 493
 494         output = surf->remote.output;
 495
 496         if (policy && policy->api.surface_activate_by_default &&
 497             !policy->api.surface_activate_by_default(surf, surf->ivi))
 498                 return;
 499
 500         /* we can only activate it again by using the protocol, but
 501          * additionally the output is not reset when
 502          * ivi_layout_activate_complete() terminates so we use the
 503          * current active surface to avoid hitting this again and again
 504          * */
 505         if (surf->mapped && output->active == surf)
 506                 return;
 507
 508         if (!surf->ivi->activate_by_default &&
 509             !ivi_surf_in_hidden_layer(surf->ivi, surf)) {
 510                 weston_log("Refusing to activate surface role %d, "
 511                             "app_id %s\n", surf->role, app_id);
 512
 513                 if (!weston_desktop_surface_get_maximized(dsurf) ||
 514                     geom.width != output->area.width ||
 515                     geom.height != output->area.height) {
 516                         ivi_layout_add_to_hidden_layer(surf, output);
 517                 }
 518
 519                 return;
 520         }
 521
 522         if (!weston_desktop_surface_get_maximized(dsurf) ||
 523             geom.width != output->area.width ||
 524             geom.height != output->area.height)
 525                 return;
 526
 527         ivi_layout_activate_complete(output, surf);
 528 }
 529
 530 void
 531 ivi_layout_desktop_committed(struct ivi_surface *surf)
 532 {
 533         struct weston_desktop_surface *dsurf = surf->dsurface;
 534         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 535         struct ivi_policy *policy = surf->ivi->policy;
 536         struct ivi_output *output;
 537         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 538
 539         assert(surf->role == IVI_SURFACE_ROLE_DESKTOP);
 540
 541         /*
 542          * we can't make use here of the ivi_layout_get_output_from_surface()
 543          * due to the fact that we'll always land here when a surface performs
 544          * a commit and pending_output will not bet set. This works in tandem
 545          * with 'mapped' at this point to avoid tripping over
 546          * to a surface that continuously updates its content
 547          */
 548         output = surf->desktop.pending_output;
 549
 550         if (!output) {
 551                 struct ivi_output *r_output;
 552
 553                 if (policy && policy->api.surface_activate_by_default &&
 554                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 555                         return;
 556
 557                 /* we can only activate it again by using the protocol */
 558                 if (surf->mapped)
 559                         return;
 560
 561                 /* check first if there aren't any outputs being set */
 562                 r_output = ivi_layout_find_with_app_id(app_id, surf->ivi);
 563
 564                 if (r_output) {
 565                         struct weston_view *view = r_output->fullscreen_view.fs->view;
 566                         if (view->is_mapped || view->surface->is_mapped)
 567                                 remove_black_curtain(r_output);
 568                 }
 569
 570
 571                 /* try finding an output with a background and use that */
 572                 if (!r_output)
 573                         r_output = ivi_layout_find_bg_output(surf->ivi);
 574
 575                 /* if we couldn't still find an output by this point, there's
 576                  * something wrong so we abort with a protocol error */
 577                 if (!r_output) {
 578                         wl_resource_post_error(surf->ivi->shell_client.resource,
 579                                                AGL_SHELL_ERROR_INVALID_ARGUMENT,
 580                                                "No valid output found to activate surface by default");
 581                         return;
 582                 }
 583
 584                 if (!surf->ivi->activate_by_default) {
 585                         weston_log("Refusing to activate surface role %d, app_id %s\n",
 586                                         surf->role, app_id);
 587
 588                         if (!weston_desktop_surface_get_maximized(dsurf) ||
 589                             geom.width != r_output->area.width ||
 590                             geom.height != r_output->area.height)
 591                                 ivi_layout_add_to_hidden_layer(surf, r_output);
 592
 593                         return;
 594                 }
 595
 596                 /* use the output of the bg to activate the app on start-up by
 597                  * default */
 598                 if (surf->view && r_output) {
 599                         if (app_id && r_output) {
 600                                 weston_log("Surface with app_id %s, role %s activating by default\n",
 601                                         weston_desktop_surface_get_app_id(surf->dsurface),
 602                                         ivi_layout_get_surface_role_name(surf));
 603                                 ivi_layout_activate(r_output, app_id);
 604                         } else if (!app_id) {
 605                                 /*
 606                                  * applications not setting an app_id, or
 607                                  * setting an app_id but at a later point in
 608                                  * time, might fall-back here so give them a
 609                                  * chance to receive the configure event and
 610                                  * act upon it
 611                                  */
 612                                 weston_log("Surface no app_id, role %s activating by default\n",
 613                                         ivi_layout_get_surface_role_name(surf));
 614                                 ivi_layout_activate_by_surf(r_output, surf);
 615                         }
 616                 }
 617
 618                 return;
 619         }
 620
 621         if (!weston_desktop_surface_get_maximized(dsurf) ||
 622             geom.width != output->area.width ||
 623             geom.height != output->area.height)
 624                 return;
 625
 626         ivi_layout_activate_complete(output, surf);
 627 }
 628
 629 void
 630 ivi_layout_fullscreen_committed(struct ivi_surface *surface)
 631 {
 632         struct ivi_compositor *ivi = surface->ivi;
 633         struct ivi_policy *policy = ivi->policy;
 634
 635         struct weston_desktop_surface *dsurface = surface->dsurface;
 636         struct weston_surface *wsurface =
 637                 weston_desktop_surface_get_surface(dsurface);
 638         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 639
 640         struct ivi_output *output = surface->split.output;
 641         struct weston_output *woutput = output->output;
 642         struct ivi_output *bg_output = ivi_layout_find_bg_output(ivi);
 643
 644         struct weston_view *view = surface->view;
 645         struct weston_geometry geom =
 646                 weston_desktop_surface_get_geometry(dsurface);
 647
 648         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 649         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 650
 651         bool is_fullscreen = weston_desktop_surface_get_fullscreen(dsurface);
 652         bool is_dim_same =
 653                 geom.width == bg_output->output->width &&
 654                 geom.height == bg_output->output->height;
 655
 656         if (policy && policy->api.surface_activate_by_default &&
 657             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 658             !surface->mapped)
 659                 return;
 660
 661         assert(surface->role == IVI_SURFACE_ROLE_FULLSCREEN);
 662
 663
 664         if (surface->state == FULLSCREEN && weston_view_is_mapped(view))
 665                 return;
 666
 667         /* if we still get here but we haven't resized so far, send configure
 668          * events to do so */
 669         if (surface->state != RESIZING && (!is_fullscreen || !is_dim_same)) {
 670                 struct ivi_output *bg_output =
 671                         ivi_layout_find_bg_output(surface->ivi);
 672
 673                 weston_log("Placing fullscreen app_id %s, type %s in hidden layer\n",
 674                                 app_id, ivi_layout_get_surface_role_name(surface));
 675                 weston_desktop_surface_set_fullscreen(dsurface, true);
 676                 weston_desktop_surface_set_size(dsurface,
 677                                                 bg_output->output->width,
 678                                                 bg_output->output->height);
 679
 680                 surface->state = RESIZING;
 681                 weston_view_set_output(view, output->output);
 682                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
 683                 return;
 684         }
 685
 686         /* eventually, we would set the surface fullscreen, but the client
 687          * hasn't resized correctly by this point, so terminate connection */
 688         if (surface->state == RESIZING && is_fullscreen && !is_dim_same) {
 689                 struct weston_desktop_client *desktop_client =
 690                         weston_desktop_surface_get_client(dsurface);
 691                 struct wl_client *client =
 692                         weston_desktop_client_get_client(desktop_client);
 693                 wl_client_post_implementation_error(client,
 694                                 "can not display surface due to invalid geometry."
 695                                 " Client should perform a geometry resize!");
 696                 return;
 697         }
 698
 699         /* this implies we resized correctly */
 700         if (!weston_view_is_mapped(view) || surface->state != FULLSCREEN) {
 701                 weston_layer_entry_remove(&view->layer_link);
 702
 703                 weston_view_set_output(view, woutput);
 704                 weston_view_set_position(view, woutput->x, woutput->y);
 705                 weston_layer_entry_insert(&ivi->fullscreen.view_list, &view->layer_link);
 706
 707                 wsurface->is_mapped = true;
 708                 surface->view->is_mapped = true;
 709                 surface->state = FULLSCREEN;
 710
 711                 weston_view_geometry_dirty(view);
 712                 weston_surface_damage(view->surface);
 713
 714                 if (ivi_seat)
 715                         ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 716
 717                 shell_advertise_app_state(ivi, app_id,
 718                                 NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 719
 720                 weston_log("Activation completed for app_id %s, role %s, "
 721                            "output %s\n", app_id,
 722                            ivi_layout_get_surface_role_name(surface),
 723                            output->name);
 724
 725         }
 726 }
 727
 728 void
 729 ivi_layout_desktop_resize(struct ivi_surface *surface,
 730                           struct weston_geometry area)
 731 {
 732         struct weston_desktop_surface *dsurf = surface->dsurface;
 733         struct weston_view *view = surface->view;
 734
 735         int x = area.x;
 736         int y = area.y;
 737         int width = area.width;
 738         int height = area.height;
 739
 740         weston_desktop_surface_set_size(dsurf,
 741                                         width, height);
 742
 743         weston_view_set_position(view, x, y);
 744
 745         weston_view_geometry_dirty(view);
 746         weston_surface_damage(view->surface);
 747 }
 748
 749 void
 750 ivi_layout_split_committed(struct ivi_surface *surface)
 751 {
 752         struct ivi_compositor *ivi = surface->ivi;
 753         struct ivi_policy *policy = ivi->policy;
 754
 755         struct weston_desktop_surface *dsurface = surface->dsurface;
 756         struct weston_surface *wsurface =
 757                 weston_desktop_surface_get_surface(dsurface);
 758         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 759
 760         struct ivi_output *output = surface->split.output;
 761         struct weston_output *woutput = output->output;
 762
 763         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 764         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 765
 766         struct weston_view *view = surface->view;
 767         struct weston_geometry geom;
 768
 769         int x, y;
 770         int width, height;
 771
 772         x = woutput->x;
 773         y = woutput->y;
 774
 775         if (policy && policy->api.surface_activate_by_default &&
 776             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 777             !surface->mapped)
 778                 return;
 779
 780         if (surface->view->is_mapped)
 781                 return;
 782
 783         geom = weston_desktop_surface_get_geometry(dsurface);
 784
 785         assert(surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 786                surface->role == IVI_SURFACE_ROLE_SPLIT_V);
 787
 788         /* save the previous area in order to recover it back when if this kind
 789          * of surface is being destroyed/removed */
 790         output->area_saved = output->area;
 791
 792         switch (surface->role) {
 793         case IVI_SURFACE_ROLE_SPLIT_V:
 794                 geom.width = (output->area.width / 2);
 795
 796                 x += woutput->width - geom.width;
 797                 output->area.width -= geom.width;
 798
 799                 width = woutput->width - x;
 800                 height = output->area.height;
 801                 y = output->area.y;
 802
 803                 break;
 804         case IVI_SURFACE_ROLE_SPLIT_H:
 805                 geom.height = (output->area.height / 2);
 806
 807                 y = output->area.y;
 808                 output->area.y += geom.height;
 809                 output->area.height -= geom.height;
 810
 811                 width = output->area.width;
 812                 height = output->area.height;
 813
 814                 x = output->area.x;
 815
 816                 break;
 817         default:
 818                 assert(!"Invalid split orientation\n");
 819         }
 820
 821         weston_desktop_surface_set_size(dsurface,
 822                                         width, height);
 823
 824         /* resize the active surface first, output->area already contains
 825          * correct area to resize to */
 826         if (output->active)
 827                 ivi_layout_desktop_resize(output->active, output->area);
 828
 829         weston_view_set_output(view, woutput);
 830         weston_view_set_position(view, x, y);
 831         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 832
 833         weston_view_geometry_dirty(view);
 834         weston_surface_damage(view->surface);
 835
 836         if (ivi_seat)
 837                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 838
 839         wsurface->is_mapped = true;
 840         surface->view->is_mapped = true;
 841
 842         shell_advertise_app_state(ivi, app_id,
 843                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 844
 845         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 846                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 847 }
 848
 849 static void
 850 ivi_compute_popup_position(const struct weston_output *output, struct weston_view *view,
 851                            int initial_x, int initial_y, int *new_x, int *new_y)
 852 {
 853         *new_x = output->x + initial_x;
 854         *new_y = output->y + initial_y;
 855 }
 856
 857
 858 bool
 859 ivi_surf_in_hidden_layer(struct ivi_compositor *ivi, struct ivi_surface *surface)
 860 {
 861         struct weston_view *ev;
 862
 863         wl_list_for_each(ev, &ivi->hidden.view_list.link, layer_link.link) {
 864                 if (ev == surface->view)
 865                         return true;
 866         }
 867
 868         wl_list_for_each(ev, &ivi->fullscreen.view_list.link, layer_link.link) {
 869                 if (ev == surface->view)
 870                         return true;
 871         }
 872
 873         return false;
 874 }
 875
 876 void
 877 ivi_layout_popup_committed(struct ivi_surface *surface)
 878 {
 879         struct ivi_compositor *ivi = surface->ivi;
 880         struct ivi_policy *policy = ivi->policy;
 881
 882         struct weston_desktop_surface *dsurface = surface->dsurface;
 883         struct weston_surface *wsurface =
 884                 weston_desktop_surface_get_surface(dsurface);
 885         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 886
 887         int new_x, new_y;
 888
 889         struct ivi_output *output = surface->popup.output;
 890         struct weston_output *woutput = output->output;
 891
 892         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 893         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 894
 895         struct weston_view *view = surface->view;
 896
 897         if (policy && policy->api.surface_activate_by_default &&
 898             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 899             !surface->mapped)
 900                 return;
 901
 902         if (surface->view->is_mapped || surface->state == HIDDEN)
 903                 return;
 904
 905         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 906
 907         /* remove it from hidden layer if present */
 908         if (ivi_surf_in_hidden_layer(ivi, surface))
 909                 weston_layer_entry_remove(&view->layer_link);
 910
 911         weston_view_set_output(view, woutput);
 912
 913         ivi_compute_popup_position(woutput, view,
 914                                    surface->popup.x, surface->popup.y, &new_x, &new_y);
 915         weston_view_set_position(view, new_x, new_y);
 916         weston_view_update_transform(view);
 917
 918         /* only clip the pop-up dialog window if we have a valid
 919          * width and height being passed on. Users might not want to have one
 920          * set-up so only enfore it is really passed on. */
 921         if (surface->popup.bb.width > 0 && surface->popup.bb.height > 0)
 922                 weston_view_set_mask(view, surface->popup.bb.x, surface->popup.bb.y,
 923                                      surface->popup.bb.width, surface->popup.bb.height);
 924
 925         weston_layer_entry_insert(&ivi->popup.view_list, &view->layer_link);
 926
 927         weston_view_geometry_dirty(view);
 928         weston_surface_damage(view->surface);
 929
 930         if (ivi_seat)
 931                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 932
 933         wsurface->is_mapped = true;
 934         surface->view->is_mapped = true;
 935
 936         shell_advertise_app_state(ivi, app_id,
 937                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 938
 939         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 940                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 941 }
 942
 943 static void
 944 ivi_layout_popup_re_add(struct ivi_surface *surface)
 945 {
 946         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 947         struct weston_view *view = surface->view;
 948
 949         if (weston_view_is_mapped(view)) {
 950                 struct weston_desktop_surface *dsurface = surface->dsurface;
 951                 struct weston_surface *wsurface =
 952                         weston_desktop_surface_get_surface(dsurface);
 953
 954                 weston_layer_entry_remove(&view->layer_link);
 955
 956                 wsurface->is_mapped = false;
 957                 view->is_mapped = false;
 958         }
 959
 960         /* reset the activate by default in order to (still) allow the surface
 961          * to be activaved using the request */
 962         if (!surface->mapped)
 963                 surface->mapped = true;
 964
 965         surface->state = NORMAL;
 966         ivi_layout_popup_committed(surface);
 967 }
 968
 969 static bool
 970 ivi_layout_surface_is_split_or_fullscreen(struct ivi_surface *surf)
 971 {
 972         struct ivi_compositor *ivi = surf->ivi;
 973         struct ivi_surface *is;
 974
 975         if (surf->role != IVI_SURFACE_ROLE_SPLIT_H &&
 976             surf->role != IVI_SURFACE_ROLE_SPLIT_V &&
 977             surf->role != IVI_SURFACE_ROLE_FULLSCREEN)
 978                 return false;
 979
 980         /* reset the activate by default in order to (still) allow the surface
 981          * to be activaved using the request */
 982         if (!surf->mapped)
 983                 surf->mapped = true;
 984
 985         wl_list_for_each(is, &ivi->surfaces, link)
 986                 if (is == surf)
 987                         return true;
 988
 989         return false;
 990 }
 991
 992 void
 993 ivi_layout_activate_by_surf(struct ivi_output *output, struct ivi_surface *surf)
 994 {
 995         struct ivi_compositor *ivi = output->ivi;
 996         struct weston_desktop_surface *dsurf;
 997         struct weston_geometry geom;
 998         struct ivi_policy *policy = output->ivi->policy;
 999
1000         dsurf = surf->dsurface;
1001
1002         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
1003
1004         if (!surf)
1005                 return;
1006
1007         if (policy && policy->api.surface_activate &&
1008             !policy->api.surface_activate(surf, surf->ivi)) {
1009                 return;
1010         }
1011
1012 #ifdef AGL_COMP_DEBUG
1013         weston_log("Activating app_id %s, type %s, on output %s\n", app_id,
1014                         ivi_layout_get_surface_role_name(surf), output->output->name);
1015 #endif
1016
1017         if (surf->role == IVI_SURFACE_ROLE_POPUP) {
1018                 ivi_layout_popup_re_add(surf);
1019                 return;
1020         }
1021
1022         /* do not 're'-activate surfaces that are split or active */
1023         if (surf == output->active ||
1024             ivi_layout_surface_is_split_or_fullscreen(surf)) {
1025                 weston_log("Application %s is already active on output %s\n",
1026                                 app_id, output->output->name);
1027                 return;
1028         }
1029
1030         if (surf->role == IVI_SURFACE_ROLE_REMOTE) {
1031                 struct ivi_output *remote_output =
1032                         ivi_layout_find_with_app_id(app_id, ivi);
1033
1034                 weston_log("Changed activation for app_id %s, type %s, on output %s\n", app_id,
1035                                 ivi_layout_get_surface_role_name(surf), output->output->name);
1036
1037                 /* if already active on a remote output do not
1038                  * attempt to activate it again */
1039                 if (remote_output && remote_output->active == surf)
1040                         return;
1041         }
1042
1043
1044         geom = weston_desktop_surface_get_geometry(dsurf);
1045
1046         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
1047                 surf->desktop.pending_output = output;
1048         if (weston_desktop_surface_get_maximized(dsurf) &&
1049             geom.width == output->area.width &&
1050             geom.height == output->area.height) {
1051                 ivi_layout_activate_complete(output, surf);
1052                 return;
1053         }
1054
1055         /* the background surface is already "maximized" so we don't need to
1056          * add to the hidden layer */
1057         if (surf->role == IVI_SURFACE_ROLE_BACKGROUND) {
1058                 ivi_layout_activate_complete(output, surf);
1059                 return;
1060         }
1061
1062         ivi_layout_add_to_hidden_layer(surf, output);
1063 }
1064
1065 void
1066 ivi_layout_activate(struct ivi_output *output, const char *app_id)
1067 {
1068         struct ivi_surface *surf;
1069         struct ivi_compositor *ivi = output->ivi;
1070
1071         if (!app_id)
1072                 return;
1073
1074         surf = ivi_find_app(ivi, app_id);
1075         if (!surf)
1076                 return;
1077
1078         ivi_layout_activate_by_surf(output, surf);
1079 }
1080
1081 struct ivi_output *
1082 ivi_layout_get_output_from_surface(struct ivi_surface *surf)
1083 {
1084         struct ivi_output *ivi_output = NULL;
1085
1086         switch (surf->role) {
1087         case IVI_SURFACE_ROLE_DESKTOP:
1088                 if (surf->desktop.pending_output)
1089                         ivi_output = surf->desktop.pending_output;
1090                 else
1091                         ivi_output = surf->desktop.last_output;
1092                 break;
1093         case IVI_SURFACE_ROLE_POPUP:
1094                 ivi_output = surf->popup.output;
1095                 break;
1096         case IVI_SURFACE_ROLE_BACKGROUND:
1097                 ivi_output = surf->bg.output;
1098                 break;
1099         case IVI_SURFACE_ROLE_PANEL:
1100                 ivi_output = surf->panel.output;
1101                 break;
1102         case IVI_SURFACE_ROLE_FULLSCREEN:
1103                 ivi_output = surf->fullscreen.output;
1104                 break;
1105         case IVI_SURFACE_ROLE_SPLIT_H:
1106         case IVI_SURFACE_ROLE_SPLIT_V:
1107                 ivi_output = surf->split.output;
1108                 break;
1109         case IVI_SURFACE_ROLE_REMOTE:
1110                 ivi_output = surf->remote.output;
1111                 break;
1112         case IVI_SURFACE_ROLE_NONE:
1113         default:
1114                 break;
1115         }
1116
1117         return ivi_output;
1118 }
1119
1120 void
1121 ivi_layout_deactivate(struct ivi_compositor *ivi, const char *app_id)
1122 {
1123         struct ivi_surface *surf;
1124         struct ivi_output *ivi_output;
1125         struct ivi_policy *policy = ivi->policy;
1126
1127         if (!app_id)
1128                 return;
1129
1130         surf = ivi_find_app(ivi, app_id);
1131         if (!surf)
1132                 return;
1133
1134         if (policy && policy->api.surface_deactivate &&
1135             !policy->api.surface_deactivate(surf, surf->ivi)) {
1136                 return;
1137         }
1138
1139         ivi_output = ivi_layout_get_output_from_surface(surf);
1140         weston_log("Deactiving %s, role %s\n", app_id,
1141                         ivi_layout_get_surface_role_name(surf));
1142
1143         if (surf->role == IVI_SURFACE_ROLE_DESKTOP ||
1144             surf->role == IVI_SURFACE_ROLE_REMOTE) {
1145                 struct ivi_surface *previous_active;
1146
1147                 previous_active = ivi_output->previous_active;
1148                 if (!previous_active) {
1149                         /* we don't have a previous active it means we should
1150                          * display the bg */
1151                         if (ivi_output->active) {
1152                                 struct weston_view *view;
1153
1154                                 view = ivi_output->active->view;
1155                                 view->is_mapped = false;
1156                                 view->surface->is_mapped = false;
1157
1158                                 weston_layer_entry_remove(&view->layer_link);
1159                                 weston_view_geometry_dirty(view);
1160                                 weston_surface_damage(view->surface);
1161                                 ivi_output->active = NULL;
1162                         }
1163                 } else {
1164                         struct weston_desktop_surface *dsurface;
1165                         const char *previous_active_app_id;
1166
1167                         dsurface = previous_active->dsurface;
1168                         previous_active_app_id =
1169                                 weston_desktop_surface_get_app_id(dsurface);
1170                         ivi_layout_activate(ivi_output, previous_active_app_id);
1171                 }
1172         } else if (surf->role == IVI_SURFACE_ROLE_POPUP) {
1173                 struct weston_view *view  = surf->view;
1174
1175                 weston_view_unmap(view);
1176                 surf->state = HIDDEN;
1177
1178                 weston_layer_entry_remove(&view->layer_link);
1179                 weston_view_geometry_dirty(view);
1180                 weston_surface_damage(view->surface);
1181         }
1182
1183       shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_DEACTIVATED);
1184 }