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