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         weston_view_damage_below(view);
 221
 222         /*
 223          * the 'remote' role now makes use of this part so make sure we don't
 224          * trip the enum such that we might end up with a modified output for
 225          * 'remote' role
 226          */
 227         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
 228                 if (surf->desktop.pending_output)
 229                         surf->desktop.last_output = surf->desktop.pending_output;
 230                 surf->desktop.pending_output = NULL;
 231         }
 232
 233         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 234                         weston_desktop_surface_get_app_id(surf->dsurface),
 235                         ivi_layout_get_surface_role_name(surf), output->name);
 236 }
 237
 238 struct ivi_output *
 239 ivi_layout_find_with_app_id(const char *app_id, struct ivi_compositor *ivi)
 240 {
 241         struct ivi_output *out;
 242
 243         if (!app_id)
 244                 return NULL;
 245
 246         wl_list_for_each(out, &ivi->outputs, link) {
 247                 if (!out->app_id)
 248                         continue;
 249
 250                 if (!strcmp(app_id, out->app_id))
 251                         return out;
 252         }
 253
 254         return NULL;
 255 }
 256
 257
 258 static struct ivi_output *
 259 ivi_layout_find_bg_output(struct ivi_compositor *ivi)
 260 {
 261         struct ivi_output *out;
 262
 263         wl_list_for_each(out, &ivi->outputs, link) {
 264                 if (out->background &&
 265                     out->background->role == IVI_SURFACE_ROLE_BACKGROUND)
 266                         return out;
 267         }
 268
 269         return NULL;
 270 }
 271
 272 void
 273 ivi_layout_desktop_committed(struct ivi_surface *surf)
 274 {
 275         struct weston_desktop_surface *dsurf = surf->dsurface;
 276         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 277         struct ivi_policy *policy = surf->ivi->policy;
 278         struct ivi_output *output;
 279         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 280
 281         assert(surf->role == IVI_SURFACE_ROLE_DESKTOP ||
 282                surf->role == IVI_SURFACE_ROLE_REMOTE);
 283
 284         /*
 285          * we can't make use here of the ivi_layout_get_output_from_surface()
 286          * due to the fact that we'll always land here when a surface performs
 287          * a commit and pending_output will not bet set. This works in tandem
 288          * with 'activated_by_default' at this point to avoid tripping over
 289          * to a surface that continuously updates its content
 290          */
 291         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
 292                 output = surf->desktop.pending_output;
 293         else
 294                 output = surf->remote.output;
 295
 296         if (surf->role == IVI_SURFACE_ROLE_DESKTOP && !output) {
 297                 struct ivi_output *r_output;
 298
 299                 if (policy && policy->api.surface_activate_by_default &&
 300                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 301                         return;
 302
 303                 /* we can only activate it again by using the protocol */
 304                 if (surf->activated_by_default)
 305                         return;
 306
 307                 /* check first if there aren't any outputs being set */
 308                 r_output = ivi_layout_find_with_app_id(app_id, surf->ivi);
 309
 310                 if (r_output) {
 311                         struct weston_view *view = r_output->fullscreen_view.fs->view;
 312                         if (view->is_mapped || view->surface->is_mapped)
 313                                 remove_black_surface(r_output);
 314                 }
 315
 316
 317                 /* try finding an output with a background and use that */
 318                 if (!r_output)
 319                         r_output = ivi_layout_find_bg_output(surf->ivi);
 320
 321                 /* if we couldn't still find an output by this point, there's
 322                  * something wrong so we abort with a protocol error */
 323                 if (!r_output) {
 324                         wl_resource_post_error(surf->ivi->shell_client.resource,
 325                                                AGL_SHELL_ERROR_INVALID_ARGUMENT,
 326                                                "No valid output found to activate surface by default");
 327                         return;
 328                 }
 329
 330                 if (!surf->ivi->activate_by_default) {
 331                         weston_log("Refusing to activate surface role %d, app_id %s\n",
 332                                         surf->role, app_id);
 333                         return;
 334                 }
 335
 336                 /* use the output of the bg to activate the app on start-up by
 337                  * default */
 338                 if (surf->view && r_output) {
 339                         if (app_id && r_output) {
 340                                 weston_log("Surface with app_id %s, role %s activating by default\n",
 341                                         weston_desktop_surface_get_app_id(surf->dsurface),
 342                                         ivi_layout_get_surface_role_name(surf));
 343                                 ivi_layout_activate(r_output, app_id);
 344                                 surf->activated_by_default = true;
 345                         } else if (!app_id) {
 346                                 /*
 347                                  * applications not setting an app_id, or
 348                                  * setting an app_id but at a later point in
 349                                  * time, might fall-back here so give them a
 350                                  * chance to receive the configure event and
 351                                  * act upon it
 352                                  */
 353                                 weston_log("Surface no app_id, role %s activating by default\n",
 354                                         ivi_layout_get_surface_role_name(surf));
 355                                 ivi_layout_activate_by_surf(r_output, surf);
 356                                 surf->activated_by_default = true;
 357                         }
 358                 }
 359
 360                 return;
 361         }
 362
 363         if (surf->role == IVI_SURFACE_ROLE_REMOTE && output) {
 364                 if (policy && policy->api.surface_activate_by_default &&
 365                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 366                         return;
 367
 368                 /* we can only activate it again by using the protocol, but
 369                  * additionally the output is not reset when
 370                  * ivi_layout_activate_complete() terminates so we use the
 371                  * current active surface to avoid hitting this again and again
 372                  * */
 373                 if (surf->activated_by_default && output->active == surf)
 374                         return;
 375
 376                 if (app_id) {
 377                         weston_log("Surface with app_id %s, role %s activating by default\n",
 378                                         weston_desktop_surface_get_app_id(surf->dsurface),
 379                                         ivi_layout_get_surface_role_name(surf));
 380                         ivi_layout_activate(output, app_id);
 381                         surf->activated_by_default = true;
 382                 }
 383                 return;
 384         }
 385
 386         if (!weston_desktop_surface_get_maximized(dsurf) ||
 387             geom.width != output->area.width ||
 388             geom.height != output->area.height)
 389                 return;
 390
 391         ivi_layout_activate_complete(output, surf);
 392 }
 393
 394 void
 395 ivi_layout_fullscreen_committed(struct ivi_surface *surface)
 396 {
 397         struct ivi_compositor *ivi = surface->ivi;
 398         struct ivi_policy *policy = ivi->policy;
 399
 400         struct weston_desktop_surface *dsurface = surface->dsurface;
 401         struct weston_surface *wsurface =
 402                 weston_desktop_surface_get_surface(dsurface);
 403         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 404
 405         struct ivi_output *output = surface->split.output;
 406         struct weston_output *woutput = output->output;
 407
 408         struct weston_view *view = surface->view;
 409         struct weston_geometry geom;
 410
 411         if (policy && policy->api.surface_activate_by_default &&
 412             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 413             !surface->activated_by_default)
 414                 return;
 415
 416         if (surface->view->is_mapped)
 417                 return;
 418
 419         geom = weston_desktop_surface_get_geometry(dsurface);
 420         weston_log("(fs) geom x %d, y %d, width %d, height %d\n", geom.x, geom.y,
 421                         geom.width, geom.height);
 422
 423         assert(surface->role == IVI_SURFACE_ROLE_FULLSCREEN);
 424
 425         weston_desktop_surface_set_fullscreen(dsurface, true);
 426
 427         weston_view_set_output(view, woutput);
 428         weston_view_set_position(view, woutput->x, woutput->y);
 429         weston_layer_entry_insert(&ivi->fullscreen.view_list, &view->layer_link);
 430
 431         weston_view_update_transform(view);
 432         weston_view_damage_below(view);
 433
 434         wsurface->is_mapped = true;
 435         surface->view->is_mapped = true;
 436
 437         shell_advertise_app_state(ivi, app_id,
 438                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 439
 440         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 441                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 442 }
 443
 444 void
 445 ivi_layout_desktop_resize(struct ivi_surface *surface,
 446                           struct weston_geometry area)
 447 {
 448         struct weston_desktop_surface *dsurf = surface->dsurface;
 449         struct weston_view *view = surface->view;
 450
 451         int x = area.x;
 452         int y = area.y;
 453         int width = area.width;
 454         int height = area.height;
 455
 456         weston_desktop_surface_set_size(dsurf,
 457                                         width, height);
 458
 459         weston_view_set_position(view, x, y);
 460         weston_view_update_transform(view);
 461         weston_view_damage_below(view);
 462 }
 463
 464 void
 465 ivi_layout_split_committed(struct ivi_surface *surface)
 466 {
 467         struct ivi_compositor *ivi = surface->ivi;
 468         struct ivi_policy *policy = ivi->policy;
 469
 470         struct weston_desktop_surface *dsurface = surface->dsurface;
 471         struct weston_surface *wsurface =
 472                 weston_desktop_surface_get_surface(dsurface);
 473         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 474
 475         struct ivi_output *output = surface->split.output;
 476         struct weston_output *woutput = output->output;
 477
 478         struct weston_view *view = surface->view;
 479         struct weston_geometry geom;
 480
 481         int x, y;
 482         int width, height;
 483
 484         x = woutput->x;
 485         y = woutput->y;
 486
 487         if (policy && policy->api.surface_activate_by_default &&
 488             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 489             !surface->activated_by_default)
 490                 return;
 491
 492         if (surface->view->is_mapped)
 493                 return;
 494
 495         geom = weston_desktop_surface_get_geometry(dsurface);
 496
 497         assert(surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 498                surface->role == IVI_SURFACE_ROLE_SPLIT_V);
 499
 500         /* save the previous area in order to recover it back when if this kind
 501          * of surface is being destroyed/removed */
 502         output->area_saved = output->area;
 503
 504         switch (surface->role) {
 505         case IVI_SURFACE_ROLE_SPLIT_V:
 506                 geom.width = (output->area.width / 2);
 507
 508                 x += woutput->width - geom.width;
 509                 output->area.width -= geom.width;
 510
 511                 width = woutput->width - x;
 512                 height = output->area.height;
 513                 y = output->area.y;
 514
 515                 break;
 516         case IVI_SURFACE_ROLE_SPLIT_H:
 517                 geom.height = (output->area.height / 2);
 518
 519                 y = output->area.y;
 520                 output->area.y += geom.height;
 521                 output->area.height -= geom.height;
 522
 523                 width = output->area.width;
 524                 height = output->area.height;
 525
 526                 x = output->area.x;
 527
 528                 break;
 529         default:
 530                 assert(!"Invalid split orientation\n");
 531         }
 532
 533         weston_desktop_surface_set_size(dsurface,
 534                                         width, height);
 535
 536         /* resize the active surface first, output->area already contains
 537          * correct area to resize to */
 538         if (output->active)
 539                 ivi_layout_desktop_resize(output->active, output->area);
 540
 541         weston_view_set_output(view, woutput);
 542         weston_view_set_position(view, x, y);
 543         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 544
 545         weston_view_update_transform(view);
 546         weston_view_damage_below(view);
 547
 548         wsurface->is_mapped = true;
 549         surface->view->is_mapped = true;
 550
 551         shell_advertise_app_state(ivi, app_id,
 552                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 553
 554         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 555                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 556 }
 557
 558 void
 559 ivi_layout_popup_committed(struct ivi_surface *surface)
 560 {
 561         struct ivi_compositor *ivi = surface->ivi;
 562         struct ivi_policy *policy = ivi->policy;
 563
 564         struct weston_desktop_surface *dsurface = surface->dsurface;
 565         struct weston_surface *wsurface =
 566                 weston_desktop_surface_get_surface(dsurface);
 567         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 568
 569         struct ivi_output *output = surface->popup.output;
 570         struct weston_output *woutput = output->output;
 571
 572         struct weston_view *view = surface->view;
 573
 574         if (policy && policy->api.surface_activate_by_default &&
 575             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 576             !surface->activated_by_default)
 577                 return;
 578
 579         if (surface->view->is_mapped)
 580                 return;
 581
 582         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 583
 584         weston_view_set_output(view, woutput);
 585         weston_view_set_position(view, surface->popup.x, surface->popup.y);
 586
 587         /* only clip the pop-up dialog window if we have a valid
 588          * width and height being passed on. Users might not want to have one
 589          * set-up so only enfore it is really passed on. */
 590         if (surface->popup.bb.width > 0 && surface->popup.bb.height > 0)
 591                 weston_view_set_mask(view, surface->popup.bb.x, surface->popup.bb.y,
 592                                      surface->popup.bb.width, surface->popup.bb.height);
 593
 594         weston_layer_entry_insert(&ivi->popup.view_list, &view->layer_link);
 595
 596         weston_view_update_transform(view);
 597         weston_view_damage_below(view);
 598
 599         wsurface->is_mapped = true;
 600         surface->view->is_mapped = true;
 601
 602         shell_advertise_app_state(ivi, app_id,
 603                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 604
 605         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 606                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 607 }
 608
 609 static void
 610 ivi_layout_popup_re_add(struct ivi_surface *surface)
 611 {
 612         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 613         struct weston_view *view = surface->view;
 614
 615         if (weston_view_is_mapped(view)) {
 616                 struct weston_desktop_surface *dsurface = surface->dsurface;
 617                 struct weston_surface *wsurface =
 618                         weston_desktop_surface_get_surface(dsurface);
 619
 620                 weston_layer_entry_remove(&view->layer_link);
 621
 622                 wsurface->is_mapped = false;
 623                 view->is_mapped = false;
 624         }
 625
 626         /* reset the activate by default in order to (still) allow the surface
 627          * to be activaved using the request */
 628         if (!surface->activated_by_default)
 629                 surface->activated_by_default = true;
 630
 631         ivi_layout_popup_committed(surface);
 632 }
 633
 634 static bool
 635 ivi_layout_surface_is_split_or_fullscreen(struct ivi_surface *surf)
 636 {
 637         struct ivi_compositor *ivi = surf->ivi;
 638         struct ivi_surface *is;
 639
 640         if (surf->role != IVI_SURFACE_ROLE_SPLIT_H &&
 641             surf->role != IVI_SURFACE_ROLE_SPLIT_V &&
 642             surf->role != IVI_SURFACE_ROLE_FULLSCREEN)
 643                 return false;
 644
 645         /* reset the activate by default in order to (still) allow the surface
 646          * to be activaved using the request */
 647         if (!surf->activated_by_default)
 648                 surf->activated_by_default = true;
 649
 650         wl_list_for_each(is, &ivi->surfaces, link)
 651                 if (is == surf)
 652                         return true;
 653
 654         return false;
 655 }
 656
 657 void
 658 ivi_layout_activate_by_surf(struct ivi_output *output, struct ivi_surface *surf)
 659 {
 660         struct ivi_compositor *ivi = output->ivi;
 661         struct weston_desktop_surface *dsurf;
 662         struct weston_view *view;
 663         struct weston_geometry geom;
 664         struct ivi_policy *policy = output->ivi->policy;
 665
 666         dsurf = surf->dsurface;
 667         view = surf->view;
 668
 669         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 670
 671         if (!surf)
 672                 return;
 673
 674         if (policy && policy->api.surface_activate &&
 675             !policy->api.surface_activate(surf, surf->ivi)) {
 676                 return;
 677         }
 678
 679 #ifdef AGL_COMP_DEBUG
 680         weston_log("Activating app_id %s, type %s\n", app_id,
 681                         ivi_layout_get_surface_role_name(surf));
 682 #endif
 683
 684         if (surf->role == IVI_SURFACE_ROLE_POPUP) {
 685                 ivi_layout_popup_re_add(surf);
 686                 return;
 687         }
 688
 689         /* do not 're'-activate surfaces that are split or active */
 690         if (surf == output->active ||
 691             ivi_layout_surface_is_split_or_fullscreen(surf))
 692                 return;
 693
 694         if (surf->role == IVI_SURFACE_ROLE_REMOTE) {
 695                 struct ivi_output *remote_output =
 696                         ivi_layout_find_with_app_id(app_id, ivi);
 697
 698                 /* if already active on a remote output do not
 699                  * attempt to activate it again */
 700                 if (remote_output && remote_output->active == surf)
 701                         return;
 702         }
 703
 704
 705         geom = weston_desktop_surface_get_geometry(dsurf);
 706
 707         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
 708                 surf->desktop.pending_output = output;
 709         if (weston_desktop_surface_get_maximized(dsurf) &&
 710             geom.width == output->area.width &&
 711             geom.height == output->area.height) {
 712                 ivi_layout_activate_complete(output, surf);
 713                 return;
 714         }
 715
 716         weston_desktop_surface_set_maximized(dsurf, true);
 717         weston_desktop_surface_set_size(dsurf,
 718                                         output->area.width,
 719                                         output->area.height);
 720
 721         weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 722                         app_id, ivi_layout_get_surface_role_name(surf),
 723                         output->area.width, output->area.height);
 724         /*
 725          * If the view isn't mapped, we put it onto the hidden layer so it will
 726          * start receiving frame events, and will be able to act on our
 727          * configure event.
 728          */
 729         if (!weston_view_is_mapped(view)) {
 730                 view->is_mapped = true;
 731                 view->surface->is_mapped = true;
 732
 733                 weston_view_set_output(view, output->output);
 734                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
 735                 /* force repaint of the entire output */
 736
 737                 weston_log("Placed app_id %s, type %s in hidden layer\n",
 738                                 app_id, ivi_layout_get_surface_role_name(surf));
 739         }
 740 }
 741
 742 void
 743 ivi_layout_activate(struct ivi_output *output, const char *app_id)
 744 {
 745         struct ivi_surface *surf;
 746         struct ivi_compositor *ivi = output->ivi;
 747
 748         if (!app_id)
 749                 return;
 750
 751         surf = ivi_find_app(ivi, app_id);
 752         if (!surf)
 753                 return;
 754
 755         ivi_layout_activate_by_surf(output, surf);
 756 }
 757
 758 struct ivi_output *
 759 ivi_layout_get_output_from_surface(struct ivi_surface *surf)
 760 {
 761         struct ivi_output *ivi_output = NULL;
 762
 763         switch (surf->role) {
 764         case IVI_SURFACE_ROLE_DESKTOP:
 765                 if (surf->desktop.pending_output)
 766                         ivi_output = surf->desktop.pending_output;
 767                 else
 768                         ivi_output = surf->desktop.last_output;
 769                 break;
 770         case IVI_SURFACE_ROLE_POPUP:
 771                 ivi_output = surf->popup.output;
 772                 break;
 773         case IVI_SURFACE_ROLE_BACKGROUND:
 774                 ivi_output = surf->bg.output;
 775                 break;
 776         case IVI_SURFACE_ROLE_PANEL:
 777                 ivi_output = surf->panel.output;
 778                 break;
 779         case IVI_SURFACE_ROLE_FULLSCREEN:
 780                 ivi_output = surf->fullscreen.output;
 781                 break;
 782         case IVI_SURFACE_ROLE_SPLIT_H:
 783         case IVI_SURFACE_ROLE_SPLIT_V:
 784                 ivi_output = surf->split.output;
 785                 break;
 786         case IVI_SURFACE_ROLE_REMOTE:
 787                 ivi_output = surf->remote.output;
 788                 break;
 789         case IVI_SURFACE_ROLE_NONE:
 790         default:
 791                 break;
 792         }
 793
 794         return ivi_output;
 795 }
 796
 797 void
 798 ivi_layout_deactivate(struct ivi_compositor *ivi, const char *app_id)
 799 {
 800         struct ivi_surface *surf;
 801         struct ivi_output *ivi_output;
 802         struct ivi_policy *policy = ivi->policy;
 803
 804         if (!app_id)
 805                 return;
 806
 807         surf = ivi_find_app(ivi, app_id);
 808         if (!surf)
 809                 return;
 810
 811         if (policy && policy->api.surface_deactivate &&
 812             !policy->api.surface_deactivate(surf, surf->ivi)) {
 813                 return;
 814         }
 815
 816         ivi_output = ivi_layout_get_output_from_surface(surf);
 817         weston_log("Deactiving %s, role %s\n", app_id,
 818                         ivi_layout_get_surface_role_name(surf));
 819
 820         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
 821                 struct ivi_surface *previous_active;
 822
 823                 previous_active = ivi_output->previous_active;
 824                 if (!previous_active) {
 825                         /* we don't have a previous active it means we should
 826                          * display the bg */
 827                         if (ivi_output->active) {
 828                                 struct weston_view *view;
 829
 830                                 view = ivi_output->active->view;
 831                                 view->is_mapped = false;
 832                                 view->surface->is_mapped = false;
 833
 834                                 weston_layer_entry_remove(&view->layer_link);
 835                                 weston_view_damage_below(view);
 836                                 ivi_output->active = NULL;
 837                         }
 838                 } else {
 839                         struct weston_desktop_surface *dsurface;
 840                         const char *previous_active_app_id;
 841
 842                         dsurface = previous_active->dsurface;
 843                         previous_active_app_id =
 844                                 weston_desktop_surface_get_app_id(dsurface);
 845                         ivi_layout_activate(ivi_output, previous_active_app_id);
 846                 }
 847         } else if (surf->role == IVI_SURFACE_ROLE_POPUP) {
 848                 struct weston_view *view  = surf->view;
 849
 850                 weston_layer_entry_remove(&view->layer_link);
 851                 weston_view_damage_below(view);
 852         }
 853 }