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         ivi_background_init(ivi, output);
 155
 156         output->area.x = 0;
 157         output->area.y = 0;
 158         output->area.width = output->output->width;
 159         output->area.height = output->output->height;
 160
 161         ivi_panel_init(ivi, output, output->top);
 162         ivi_panel_init(ivi, output, output->bottom);
 163         ivi_panel_init(ivi, output, output->left);
 164         ivi_panel_init(ivi, output, output->right);
 165
 166         weston_compositor_schedule_repaint(ivi->compositor);
 167
 168         weston_log("Usable area: %dx%d+%d,%d\n",
 169                    output->area.width, output->area.height,
 170                    output->area.x, output->area.y);
 171 }
 172
 173 struct ivi_surface *
 174 ivi_find_app(struct ivi_compositor *ivi, const char *app_id)
 175 {
 176         struct ivi_surface *surf;
 177         const char *id;
 178
 179         wl_list_for_each(surf, &ivi->surfaces, link) {
 180                 id = weston_desktop_surface_get_app_id(surf->dsurface);
 181                 if (id && strcmp(app_id, id) == 0)
 182                         return surf;
 183         }
 184
 185         return NULL;
 186 }
 187
 188 static void
 189 ivi_layout_activate_complete(struct ivi_output *output,
 190                              struct ivi_surface *surf)
 191 {
 192         struct ivi_compositor *ivi = output->ivi;
 193         struct weston_output *woutput = output->output;
 194         struct weston_view *view = surf->view;
 195
 196         if (weston_view_is_mapped(view)) {
 197                 weston_layer_entry_remove(&view->layer_link);
 198         }
 199
 200         weston_view_set_output(view, woutput);
 201         weston_view_set_position(view,
 202                                  woutput->x + output->area.x,
 203                                  woutput->y + output->area.y);
 204
 205         view->is_mapped = true;
 206         view->surface->is_mapped = true;
 207
 208         if (output->active) {
 209                 output->active->view->is_mapped = false;
 210                 output->active->view->surface->is_mapped = false;
 211
 212                 weston_layer_entry_remove(&output->active->view->layer_link);
 213         }
 214         output->previous_active = output->active;
 215         output->active = surf;
 216
 217         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 218         weston_view_update_transform(view);
 219
 220         /* force repaint of the entire output */
 221         weston_output_damage(output->output);
 222
 223         /*
 224          * the 'remote' role now makes use of this part so make sure we don't
 225          * trip the enum such that we might end up with a modified output for
 226          * 'remote' role
 227          */
 228         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
 229                 if (surf->desktop.pending_output)
 230                         surf->desktop.last_output = surf->desktop.pending_output;
 231                 surf->desktop.pending_output = NULL;
 232         }
 233
 234         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 235                         weston_desktop_surface_get_app_id(surf->dsurface),
 236                         ivi_layout_get_surface_role_name(surf), output->name);
 237 }
 238
 239 struct ivi_output *
 240 ivi_layout_find_with_app_id(const char *app_id, struct ivi_compositor *ivi)
 241 {
 242         struct ivi_output *out;
 243
 244         wl_list_for_each(out, &ivi->outputs, link) {
 245                 if (!out->app_id)
 246                         continue;
 247
 248                 if (!strcmp(app_id, out->app_id))
 249                         return out;
 250         }
 251
 252         return NULL;
 253 }
 254
 255
 256 static struct ivi_output *
 257 ivi_layout_find_bg_output(struct ivi_compositor *ivi)
 258 {
 259         struct ivi_output *out;
 260
 261         wl_list_for_each(out, &ivi->outputs, link) {
 262                 if (out->background &&
 263                     out->background->role == IVI_SURFACE_ROLE_BACKGROUND)
 264                         return out;
 265         }
 266
 267         return NULL;
 268 }
 269
 270 void
 271 ivi_layout_desktop_committed(struct ivi_surface *surf)
 272 {
 273         struct weston_desktop_surface *dsurf = surf->dsurface;
 274         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 275         struct ivi_policy *policy = surf->ivi->policy;
 276         struct ivi_output *output;
 277         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 278
 279         assert(surf->role == IVI_SURFACE_ROLE_DESKTOP ||
 280                surf->role == IVI_SURFACE_ROLE_REMOTE);
 281
 282         /*
 283          * we can't make use here of the ivi_layout_get_output_from_surface()
 284          * due to the fact that we'll always land here when a surface performs
 285          * a commit and pending_output will not bet set. This works in tandem
 286          * with 'activated_by_default' at this point to avoid tripping over
 287          * to a surface that continuously updates its content
 288          */
 289         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
 290                 output = surf->desktop.pending_output;
 291         else
 292                 output = surf->remote.output;
 293
 294         if (surf->role == IVI_SURFACE_ROLE_DESKTOP && !output) {
 295                 struct ivi_output *r_output;
 296
 297                 if (policy && policy->api.surface_activate_by_default &&
 298                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 299                         return;
 300
 301                 /* we can only activate it again by using the protocol */
 302                 if (surf->activated_by_default)
 303                         return;
 304
 305                 /* check first if there aren't any outputs being set */
 306                 r_output = ivi_layout_find_with_app_id(app_id, surf->ivi);
 307
 308                 if (r_output) {
 309                         struct weston_view *view = r_output->fullscreen_view.fs->view;
 310                         if (view->is_mapped || view->surface->is_mapped)
 311                                 remove_black_surface(r_output);
 312                 }
 313
 314
 315                 /* try finding an output with a background and use that */
 316                 if (!r_output)
 317                         r_output = ivi_layout_find_bg_output(surf->ivi);
 318
 319                 /* if we couldn't still find an output by this point, there's
 320                  * something wrong so we abort with a protocol error */
 321                 if (!r_output) {
 322                         wl_resource_post_error(surf->ivi->shell_client.resource,
 323                                                AGL_SHELL_ERROR_INVALID_ARGUMENT,
 324                                                "No valid output found to activate surface by default");
 325                         return;
 326                 }
 327
 328                 /* use the output of the bg to activate the app on start-up by
 329                  * default */
 330                 if (surf->view && r_output) {
 331                         if (app_id && r_output) {
 332                                 weston_log("Surface with app_id %s, role %s activating by default\n",
 333                                         weston_desktop_surface_get_app_id(surf->dsurface),
 334                                         ivi_layout_get_surface_role_name(surf));
 335                                 ivi_layout_activate(r_output, app_id);
 336                                 surf->activated_by_default = true;
 337                         }
 338                 }
 339
 340                 return;
 341         }
 342
 343         if (surf->role == IVI_SURFACE_ROLE_REMOTE && output) {
 344                 if (policy && policy->api.surface_activate_by_default &&
 345                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 346                         return;
 347
 348                 /* we can only activate it again by using the protocol, but
 349                  * additionally the output is not reset when
 350                  * ivi_layout_activate_complete() terminates so we use the
 351                  * current active surface to avoid hitting this again and again
 352                  * */
 353                 if (surf->activated_by_default && output->active == surf)
 354                         return;
 355
 356                 if (app_id) {
 357                         weston_log("Surface with app_id %s, role %s activating by default\n",
 358                                         weston_desktop_surface_get_app_id(surf->dsurface),
 359                                         ivi_layout_get_surface_role_name(surf));
 360                         ivi_layout_activate(output, app_id);
 361                         surf->activated_by_default = true;
 362                 }
 363                 return;
 364         }
 365
 366         if (!weston_desktop_surface_get_maximized(dsurf) ||
 367             geom.width != output->area.width ||
 368             geom.height != output->area.height)
 369                 return;
 370
 371         ivi_layout_activate_complete(output, surf);
 372 }
 373
 374 void
 375 ivi_layout_fullscreen_committed(struct ivi_surface *surface)
 376 {
 377         struct ivi_compositor *ivi = surface->ivi;
 378         struct ivi_policy *policy = ivi->policy;
 379
 380         struct weston_desktop_surface *dsurface = surface->dsurface;
 381         struct weston_surface *wsurface =
 382                 weston_desktop_surface_get_surface(dsurface);
 383         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 384
 385         struct ivi_output *output = surface->split.output;
 386         struct weston_output *woutput = output->output;
 387
 388         struct weston_view *view = surface->view;
 389         struct weston_geometry geom;
 390
 391         if (policy && policy->api.surface_activate_by_default &&
 392             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 393             !surface->activated_by_default)
 394                 return;
 395
 396         if (surface->view->is_mapped)
 397                 return;
 398
 399         geom = weston_desktop_surface_get_geometry(dsurface);
 400         weston_log("(fs) geom x %d, y %d, width %d, height %d\n", geom.x, geom.y,
 401                         geom.width, geom.height);
 402
 403         assert(surface->role == IVI_SURFACE_ROLE_FULLSCREEN);
 404
 405         weston_desktop_surface_set_fullscreen(dsurface, true);
 406
 407         weston_view_set_output(view, woutput);
 408         weston_view_set_position(view, woutput->x, woutput->y);
 409         weston_layer_entry_insert(&ivi->fullscreen.view_list, &view->layer_link);
 410
 411         weston_view_update_transform(view);
 412         weston_view_damage_below(view);
 413
 414         wsurface->is_mapped = true;
 415         surface->view->is_mapped = true;
 416
 417         shell_advertise_app_state(ivi, app_id,
 418                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 419
 420         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 421                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 422 }
 423
 424 void
 425 ivi_layout_desktop_resize(struct ivi_surface *surface,
 426                           struct weston_geometry area)
 427 {
 428         struct weston_desktop_surface *dsurf = surface->dsurface;
 429         struct weston_view *view = surface->view;
 430
 431         int x = area.x;
 432         int y = area.y;
 433         int width = area.width;
 434         int height = area.height;
 435
 436         weston_desktop_surface_set_size(dsurf,
 437                                         width, height);
 438
 439         weston_view_set_position(view, x, y);
 440         weston_view_update_transform(view);
 441         weston_view_damage_below(view);
 442 }
 443
 444 void
 445 ivi_layout_split_committed(struct ivi_surface *surface)
 446 {
 447         struct ivi_compositor *ivi = surface->ivi;
 448         struct ivi_policy *policy = ivi->policy;
 449
 450         struct weston_desktop_surface *dsurface = surface->dsurface;
 451         struct weston_surface *wsurface =
 452                 weston_desktop_surface_get_surface(dsurface);
 453         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 454
 455         struct ivi_output *output = surface->split.output;
 456         struct weston_output *woutput = output->output;
 457
 458         struct weston_view *view = surface->view;
 459         struct weston_geometry geom;
 460
 461         int x, y;
 462         int width, height;
 463
 464         x = woutput->x;
 465         y = woutput->y;
 466
 467         if (policy && policy->api.surface_activate_by_default &&
 468             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 469             !surface->activated_by_default)
 470                 return;
 471
 472         if (surface->view->is_mapped)
 473                 return;
 474
 475         geom = weston_desktop_surface_get_geometry(dsurface);
 476
 477         assert(surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 478                surface->role == IVI_SURFACE_ROLE_SPLIT_V);
 479
 480         /* save the previous area in order to recover it back when if this kind
 481          * of surface is being destroyed/removed */
 482         output->area_saved = output->area;
 483
 484         switch (surface->role) {
 485         case IVI_SURFACE_ROLE_SPLIT_V:
 486                 if (geom.width == woutput->width &&
 487                     geom.height == woutput->height)
 488                         geom.width = (output->area.width / 2);
 489
 490                 x += woutput->width - geom.width;
 491                 output->area.width -= geom.width;
 492
 493                 width = woutput->width - x;
 494                 height = output->area.height;
 495                 y = output->area.y;
 496
 497                 break;
 498         case IVI_SURFACE_ROLE_SPLIT_H:
 499                 if (geom.width == woutput->width &&
 500                     geom.height == woutput->height)
 501                         geom.height = (output->area.height / 2);
 502
 503                 y = output->area.y;
 504                 output->area.y += geom.height;
 505                 output->area.height -= geom.height;
 506
 507                 width = output->area.width;
 508                 height = output->area.height;
 509
 510                 x = output->area.x;
 511
 512                 break;
 513         default:
 514                 assert(!"Invalid split orientation\n");
 515         }
 516
 517         weston_desktop_surface_set_size(dsurface,
 518                                         width, height);
 519
 520         /* resize the active surface first, output->area already contains
 521          * correct area to resize to */
 522         if (output->active)
 523                 ivi_layout_desktop_resize(output->active, output->area);
 524
 525         weston_view_set_output(view, woutput);
 526         weston_view_set_position(view, x, y);
 527         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 528
 529         weston_view_update_transform(view);
 530         weston_view_damage_below(view);
 531
 532         wsurface->is_mapped = true;
 533         surface->view->is_mapped = true;
 534
 535         shell_advertise_app_state(ivi, app_id,
 536                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 537
 538         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 539                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 540 }
 541
 542 void
 543 ivi_layout_popup_committed(struct ivi_surface *surface)
 544 {
 545         struct ivi_compositor *ivi = surface->ivi;
 546         struct ivi_policy *policy = ivi->policy;
 547
 548         struct weston_desktop_surface *dsurface = surface->dsurface;
 549         struct weston_surface *wsurface =
 550                 weston_desktop_surface_get_surface(dsurface);
 551         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 552
 553         struct ivi_output *output = surface->popup.output;
 554         struct weston_output *woutput = output->output;
 555
 556         struct weston_view *view = surface->view;
 557
 558         if (policy && policy->api.surface_activate_by_default &&
 559             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 560             !surface->activated_by_default)
 561                 return;
 562
 563         if (surface->view->is_mapped)
 564                 return;
 565
 566         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 567
 568         weston_view_set_output(view, woutput);
 569         weston_view_set_position(view, surface->popup.x, surface->popup.y);
 570
 571         /* only clip the pop-up dialog window if we have a valid
 572          * width and height being passed on. Users might not want to have one
 573          * set-up so only enfore it is really passed on. */
 574         if (surface->popup.bb.width > 0 && surface->popup.bb.height > 0)
 575                 weston_view_set_mask(view, surface->popup.bb.x, surface->popup.bb.y,
 576                                      surface->popup.bb.width, surface->popup.bb.height);
 577
 578         weston_layer_entry_insert(&ivi->popup.view_list, &view->layer_link);
 579
 580         weston_view_update_transform(view);
 581         weston_view_damage_below(view);
 582
 583         wsurface->is_mapped = true;
 584         surface->view->is_mapped = true;
 585
 586         shell_advertise_app_state(ivi, app_id,
 587                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 588
 589         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 590                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 591 }
 592
 593 static void
 594 ivi_layout_popup_re_add(struct ivi_surface *surface)
 595 {
 596         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 597         struct weston_view *view = surface->view;
 598
 599         if (weston_view_is_mapped(view)) {
 600                 struct weston_desktop_surface *dsurface = surface->dsurface;
 601                 struct weston_surface *wsurface =
 602                         weston_desktop_surface_get_surface(dsurface);
 603
 604                 weston_layer_entry_remove(&view->layer_link);
 605
 606                 wsurface->is_mapped = false;
 607                 view->is_mapped = false;
 608         }
 609
 610         /* reset the activate by default in order to (still) allow the surface
 611          * to be activaved using the request */
 612         if (!surface->activated_by_default)
 613                 surface->activated_by_default = true;
 614
 615         ivi_layout_popup_committed(surface);
 616 }
 617
 618 static bool
 619 ivi_layout_surface_is_split_or_fullscreen(struct ivi_surface *surf)
 620 {
 621         struct ivi_compositor *ivi = surf->ivi;
 622         struct ivi_surface *is;
 623
 624         if (surf->role != IVI_SURFACE_ROLE_SPLIT_H &&
 625             surf->role != IVI_SURFACE_ROLE_SPLIT_V &&
 626             surf->role != IVI_SURFACE_ROLE_FULLSCREEN)
 627                 return false;
 628
 629         /* reset the activate by default in order to (still) allow the surface
 630          * to be activaved using the request */
 631         if (!surf->activated_by_default)
 632                 surf->activated_by_default = true;
 633
 634         wl_list_for_each(is, &ivi->surfaces, link)
 635                 if (is == surf)
 636                         return true;
 637
 638         return false;
 639 }
 640
 641 void
 642 ivi_layout_activate(struct ivi_output *output, const char *app_id)
 643 {
 644         struct ivi_compositor *ivi = output->ivi;
 645         struct ivi_surface *surf;
 646         struct weston_desktop_surface *dsurf;
 647         struct weston_view *view;
 648         struct weston_geometry geom;
 649         struct ivi_policy *policy = output->ivi->policy;
 650
 651         surf = ivi_find_app(ivi, app_id);
 652         if (!surf)
 653                 return;
 654
 655         if (policy && policy->api.surface_activate &&
 656             !policy->api.surface_activate(surf, surf->ivi)) {
 657                 return;
 658         }
 659
 660 #ifdef AGL_COMP_DEBUG
 661         weston_log("Activating app_id %s, type %s\n", app_id,
 662                         ivi_layout_get_surface_role_name(surf));
 663 #endif
 664
 665         if (surf->role == IVI_SURFACE_ROLE_POPUP) {
 666                 ivi_layout_popup_re_add(surf);
 667                 return;
 668         }
 669
 670         /* do not 're'-activate surfaces that are split or active */
 671         if (surf == output->active ||
 672             ivi_layout_surface_is_split_or_fullscreen(surf))
 673                 return;
 674
 675         if (surf->role == IVI_SURFACE_ROLE_REMOTE) {
 676                 struct ivi_output *remote_output =
 677                         ivi_layout_find_with_app_id(app_id, ivi);
 678
 679                 /* if already active on a remote output do not
 680                  * attempt to activate it again */
 681                 if (remote_output && remote_output->active == surf)
 682                         return;
 683         }
 684
 685
 686         dsurf = surf->dsurface;
 687         view = surf->view;
 688         geom = weston_desktop_surface_get_geometry(dsurf);
 689
 690         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
 691                 surf->desktop.pending_output = output;
 692         if (weston_desktop_surface_get_maximized(dsurf) &&
 693             geom.width == output->area.width &&
 694             geom.height == output->area.height) {
 695                 ivi_layout_activate_complete(output, surf);
 696                 return;
 697         }
 698
 699         weston_desktop_surface_set_maximized(dsurf, true);
 700         weston_desktop_surface_set_size(dsurf,
 701                                         output->area.width,
 702                                         output->area.height);
 703
 704         weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 705                         app_id, ivi_layout_get_surface_role_name(surf),
 706                         output->area.width, output->area.height);
 707         /*
 708          * If the view isn't mapped, we put it onto the hidden layer so it will
 709          * start receiving frame events, and will be able to act on our
 710          * configure event.
 711          */
 712         if (!weston_view_is_mapped(view)) {
 713                 view->is_mapped = true;
 714                 view->surface->is_mapped = true;
 715
 716                 weston_view_set_output(view, output->output);
 717                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
 718                 /* force repaint of the entire output */
 719
 720                 weston_log("Placed app_id %s, type %s in hidden layer\n",
 721                                 app_id, ivi_layout_get_surface_role_name(surf));
 722                 weston_output_damage(output->output);
 723         }
 724 }
 725
 726 struct ivi_output *
 727 ivi_layout_get_output_from_surface(struct ivi_surface *surf)
 728 {
 729         struct ivi_output *ivi_output = NULL;
 730
 731         switch (surf->role) {
 732         case IVI_SURFACE_ROLE_DESKTOP:
 733                 if (surf->desktop.pending_output)
 734                         ivi_output = surf->desktop.pending_output;
 735                 else
 736                         ivi_output = surf->desktop.last_output;
 737                 break;
 738         case IVI_SURFACE_ROLE_POPUP:
 739                 ivi_output = surf->popup.output;
 740                 break;
 741         case IVI_SURFACE_ROLE_BACKGROUND:
 742                 ivi_output = surf->bg.output;
 743                 break;
 744         case IVI_SURFACE_ROLE_PANEL:
 745                 ivi_output = surf->panel.output;
 746                 break;
 747         case IVI_SURFACE_ROLE_FULLSCREEN:
 748                 ivi_output = surf->fullscreen.output;
 749                 break;
 750         case IVI_SURFACE_ROLE_SPLIT_H:
 751         case IVI_SURFACE_ROLE_SPLIT_V:
 752                 ivi_output = surf->split.output;
 753                 break;
 754         case IVI_SURFACE_ROLE_REMOTE:
 755                 ivi_output = surf->remote.output;
 756                 break;
 757         case IVI_SURFACE_ROLE_NONE:
 758         default:
 759                 break;
 760         }
 761
 762         return ivi_output;
 763 }
 764
 765 void
 766 ivi_layout_deactivate(struct ivi_compositor *ivi, const char *app_id)
 767 {
 768         struct ivi_surface *surf;
 769         struct ivi_output *ivi_output;
 770         struct ivi_policy *policy = ivi->policy;
 771
 772         surf = ivi_find_app(ivi, app_id);
 773         if (!surf)
 774                 return;
 775
 776         if (policy && policy->api.surface_deactivate &&
 777             !policy->api.surface_deactivate(surf, surf->ivi)) {
 778                 return;
 779         }
 780
 781         ivi_output = ivi_layout_get_output_from_surface(surf);
 782         weston_log("Deactiving %s, role %s\n", app_id,
 783                         ivi_layout_get_surface_role_name(surf));
 784
 785         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
 786                 struct ivi_surface *previous_active;
 787
 788                 previous_active = ivi_output->previous_active;
 789                 if (!previous_active) {
 790                         /* we don't have a previous active it means we should
 791                          * display the bg */
 792                         if (ivi_output->active) {
 793                                 struct weston_view *view;
 794
 795                                 view = ivi_output->active->view;
 796                                 view->is_mapped = false;
 797                                 view->surface->is_mapped = false;
 798
 799                                 weston_layer_entry_remove(&view->layer_link);
 800                                 weston_output_damage(ivi_output->output);
 801                         }
 802                 } else {
 803                         struct weston_desktop_surface *dsurface;
 804                         const char *previous_active_app_id;
 805
 806                         dsurface = previous_active->dsurface;
 807                         previous_active_app_id =
 808                                 weston_desktop_surface_get_app_id(dsurface);
 809                         ivi_layout_activate(ivi_output, previous_active_app_id);
 810                 }
 811         } else if (surf->role == IVI_SURFACE_ROLE_POPUP) {
 812                 struct weston_view *view  = surf->view;
 813
 814                 weston_layer_entry_remove(&view->layer_link);
 815                 weston_view_damage_below(view);
 816         }
 817 }