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