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