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 #ifdef AGL_COMP_DEBUG
  81         weston_log("(background) position view %p, x %d, y %d\n", view,
  82                         woutput->x, woutput->y);
  83 #endif
  84
  85         view->is_mapped = true;
  86         view->surface->is_mapped = true;
  87
  88         weston_layer_entry_insert(&ivi->background.view_list, &view->layer_link);
  89 }
  90
  91 static void
  92 ivi_panel_init(struct ivi_compositor *ivi, struct ivi_output *output,
  93                struct ivi_surface *panel)
  94 {
  95         struct weston_output *woutput = output->output;
  96         struct weston_desktop_surface *dsurface;
  97         struct weston_view *view;
  98         struct weston_geometry geom;
  99         int x = woutput->x;
 100         int y = woutput->y;
 101
 102         if (!panel)
 103                 return;
 104
 105         assert(panel->role == IVI_SURFACE_ROLE_PANEL);
 106         dsurface = panel->dsurface;
 107         view = panel->view;
 108         geom = weston_desktop_surface_get_geometry(dsurface);
 109 #ifdef AGL_COMP_DEBUG
 110         weston_log("(panel) geom.width %d, geom.height %d, geom.x %d, geom.y %d\n",
 111                         geom.width, geom.height, geom.x, geom.y);
 112 #endif
 113         switch (panel->panel.edge) {
 114         case AGL_SHELL_EDGE_TOP:
 115                 output->area.y += geom.height;
 116                 output->area.height -= geom.height;
 117                 break;
 118         case AGL_SHELL_EDGE_BOTTOM:
 119                 y += woutput->height - geom.height;
 120                 output->area.height -= geom.height;
 121                 break;
 122         case AGL_SHELL_EDGE_LEFT:
 123                 output->area.x += geom.width;
 124                 output->area.width -= geom.width;
 125                 break;
 126         case AGL_SHELL_EDGE_RIGHT:
 127                 x += woutput->width - geom.width;
 128                 output->area.width -= geom.width;
 129                 break;
 130         }
 131
 132         x -= geom.x;
 133         y -= geom.y;
 134
 135         weston_view_set_output(view, woutput);
 136         weston_view_set_position(view, x, y);
 137 #ifdef AGL_COMP_DEBUG
 138         weston_log("(panel) edge %d position view %p, x %d, y %d\n",
 139                         panel->panel.edge, view, x, y);
 140 #endif
 141
 142         /* this is necessary for cases we already mapped it desktop_committed()
 143          * but we not running the older qtwayland, so we still have a chance
 144          * for this to run at the next test */
 145         if (view->surface->is_mapped) {
 146                 weston_layer_entry_remove(&view->layer_link);
 147
 148                 view->is_mapped = false;
 149                 view->surface->is_mapped = false;
 150         }
 151
 152         /* give ivi_layout_panel_committed() a chance to map the view/surface
 153          * instead */
 154         if ((geom.width == geom.height && geom.width == 0) &&
 155             (geom.x == geom.y && geom.x == 0) &&
 156             panel->panel.edge != AGL_SHELL_EDGE_TOP)
 157                 return;
 158
 159         view->is_mapped = true;
 160         view->surface->is_mapped = true;
 161 #ifdef AGL_COMP_DEBUG
 162         weston_log("panel type %d inited\n", panel->panel.edge);
 163 #endif
 164         weston_layer_entry_insert(&ivi->panel.view_list, &view->layer_link);
 165 }
 166
 167 /*
 168  * Initializes all static parts of the layout, i.e. the background and panels.
 169  */
 170 void
 171 ivi_layout_init(struct ivi_compositor *ivi, struct ivi_output *output)
 172 {
 173         ivi_background_init(ivi, output);
 174
 175         output->area.x = 0;
 176         output->area.y = 0;
 177         output->area.width = output->output->width;
 178         output->area.height = output->output->height;
 179
 180         ivi_panel_init(ivi, output, output->top);
 181         ivi_panel_init(ivi, output, output->bottom);
 182         ivi_panel_init(ivi, output, output->left);
 183         ivi_panel_init(ivi, output, output->right);
 184
 185         weston_compositor_schedule_repaint(ivi->compositor);
 186
 187         weston_log("Usable area: %dx%d+%d,%d\n",
 188                    output->area.width, output->area.height,
 189                    output->area.x, output->area.y);
 190 }
 191
 192 struct ivi_surface *
 193 ivi_find_app(struct ivi_compositor *ivi, const char *app_id)
 194 {
 195         struct ivi_surface *surf;
 196         const char *id;
 197
 198         wl_list_for_each(surf, &ivi->surfaces, link) {
 199                 id = weston_desktop_surface_get_app_id(surf->dsurface);
 200                 if (id && strcmp(app_id, id) == 0)
 201                         return surf;
 202         }
 203
 204         return NULL;
 205 }
 206
 207 static void
 208 ivi_layout_activate_complete(struct ivi_output *output,
 209                              struct ivi_surface *surf)
 210 {
 211         struct ivi_compositor *ivi = output->ivi;
 212         struct weston_output *woutput = output->output;
 213         struct weston_view *view = surf->view;
 214
 215         if (weston_view_is_mapped(view)) {
 216                 weston_layer_entry_remove(&view->layer_link);
 217         }
 218
 219         weston_view_set_output(view, woutput);
 220         weston_view_set_position(view,
 221                                  woutput->x + output->area.x,
 222                                  woutput->y + output->area.y);
 223
 224         view->is_mapped = true;
 225         view->surface->is_mapped = true;
 226
 227         if (output->active) {
 228                 output->active->view->is_mapped = false;
 229                 output->active->view->surface->is_mapped = false;
 230
 231                 weston_layer_entry_remove(&output->active->view->layer_link);
 232         }
 233         output->previous_active = output->active;
 234         output->active = surf;
 235
 236         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 237         weston_view_update_transform(view);
 238
 239         /* force repaint of the entire output */
 240         weston_output_damage(output->output);
 241
 242         /*
 243          * the 'remote' role now makes use of this part so make sure we don't
 244          * trip the enum such that we might end up with a modified output for
 245          * 'remote' role
 246          */
 247         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
 248                 if (surf->desktop.pending_output)
 249                         surf->desktop.last_output = surf->desktop.pending_output;
 250                 surf->desktop.pending_output = NULL;
 251         }
 252
 253         weston_log("Activation completed for app_id %s, role %s\n",
 254                         weston_desktop_surface_get_app_id(surf->dsurface),
 255                         ivi_layout_get_surface_role_name(surf));
 256 }
 257
 258 static struct ivi_output *
 259 ivi_layout_find_app_id(const char *app_id, struct ivi_compositor *ivi)
 260 {
 261         struct ivi_output *out;
 262
 263         wl_list_for_each(out, &ivi->outputs, link) {
 264                 if (!out->app_id)
 265                         continue;
 266
 267                 if (!strcmp(app_id, out->app_id))
 268                         return out;
 269         }
 270
 271         return NULL;
 272 }
 273
 274
 275 static struct ivi_output *
 276 ivi_layout_find_bg_output(struct ivi_compositor *ivi)
 277 {
 278         struct ivi_output *out;
 279
 280         wl_list_for_each(out, &ivi->outputs, link) {
 281                 if (out->background &&
 282                     out->background->role == IVI_SURFACE_ROLE_BACKGROUND)
 283                         return out;
 284         }
 285
 286         return NULL;
 287 }
 288
 289 void
 290 ivi_layout_desktop_committed(struct ivi_surface *surf)
 291 {
 292         struct weston_desktop_surface *dsurf = surf->dsurface;
 293         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 294         struct ivi_policy *policy = surf->ivi->policy;
 295         struct ivi_output *output;
 296         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 297
 298         assert(surf->role == IVI_SURFACE_ROLE_DESKTOP ||
 299                surf->role == IVI_SURFACE_ROLE_REMOTE);
 300
 301         /*
 302          * we can't make use here of the ivi_layout_get_output_from_surface()
 303          * due to the fact that we'll always land here when a surface performs
 304          * a commit and pending_output will not bet set. This works in tandem
 305          * with 'activated_by_default' at this point to avoid tripping over
 306          * to a surface that continuously updates its content
 307          */
 308         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
 309                 output = surf->desktop.pending_output;
 310         else
 311                 output = surf->remote.output;
 312
 313         if (surf->role == IVI_SURFACE_ROLE_DESKTOP && !output) {
 314                 struct ivi_output *r_output;
 315
 316                 if (policy && policy->api.surface_activate_by_default &&
 317                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 318                         return;
 319
 320                 /* we can only activate it again by using the protocol */
 321                 if (surf->activated_by_default)
 322                         return;
 323
 324                 /* check first if there aren't any outputs being set */
 325                 r_output = ivi_layout_find_app_id(app_id, surf->ivi);
 326
 327                 /* try finding an output with a background and use that */
 328                 if (!r_output)
 329                         r_output = ivi_layout_find_bg_output(surf->ivi);
 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                         }
 341                 }
 342
 343                 return;
 344         }
 345
 346         if (surf->role == IVI_SURFACE_ROLE_REMOTE && output) {
 347                 if (policy && policy->api.surface_activate_by_default &&
 348                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 349                         return;
 350
 351                 /* we can only activate it again by using the protocol, but
 352                  * additionally the output is not reset when
 353                  * ivi_layout_activate_complete() terminates so we use the
 354                  * current active surface to avoid hitting this again and again
 355                  * */
 356                 if (surf->activated_by_default && output->active == surf)
 357                         return;
 358
 359                 if (app_id) {
 360                         weston_log("Surface with app_id %s, role %s activating by default\n",
 361                                         weston_desktop_surface_get_app_id(surf->dsurface),
 362                                         ivi_layout_get_surface_role_name(surf));
 363                         ivi_layout_activate(output, app_id);
 364                         surf->activated_by_default = true;
 365                 }
 366                 return;
 367         }
 368
 369         if (!weston_desktop_surface_get_maximized(dsurf) ||
 370             geom.width != output->area.width ||
 371             geom.height != output->area.height)
 372                 return;
 373
 374         ivi_layout_activate_complete(output, surf);
 375 }
 376
 377 void
 378 ivi_layout_fullscreen_committed(struct ivi_surface *surface)
 379 {
 380         struct ivi_compositor *ivi = surface->ivi;
 381
 382         struct weston_desktop_surface *dsurface = surface->dsurface;
 383         struct weston_surface *wsurface =
 384                 weston_desktop_surface_get_surface(dsurface);
 385
 386         struct ivi_output *output = surface->split.output;
 387         struct weston_output *woutput = output->output;
 388
 389         struct weston_view *view = surface->view;
 390         struct weston_geometry geom;
 391
 392         if (surface->view->is_mapped)
 393                 return;
 394
 395         geom = weston_desktop_surface_get_geometry(dsurface);
 396         weston_log("(fs) geom x %d, y %d, width %d, height %d\n", geom.x, geom.y,
 397                         geom.width, geom.height);
 398
 399         assert(surface->role == IVI_SURFACE_ROLE_FULLSCREEN);
 400
 401         weston_desktop_surface_set_fullscreen(dsurface, true);
 402
 403         weston_view_set_output(view, woutput);
 404         weston_view_set_position(view, woutput->x, woutput->y);
 405         weston_layer_entry_insert(&ivi->fullscreen.view_list, &view->layer_link);
 406
 407         weston_view_update_transform(view);
 408         weston_view_damage_below(view);
 409
 410         wsurface->is_mapped = true;
 411         surface->view->is_mapped = true;
 412 }
 413
 414 void
 415 ivi_layout_desktop_resize(struct ivi_surface *surface,
 416                           struct weston_geometry area)
 417 {
 418         struct weston_desktop_surface *dsurf = surface->dsurface;
 419         struct weston_view *view = surface->view;
 420
 421         int x = area.x;
 422         int y = area.y;
 423         int width = area.width;
 424         int height = area.height;
 425
 426         weston_desktop_surface_set_size(dsurf,
 427                                         width, height);
 428
 429         weston_view_set_position(view, x, y);
 430         weston_view_update_transform(view);
 431         weston_view_damage_below(view);
 432 }
 433
 434 void
 435 ivi_layout_split_committed(struct ivi_surface *surface)
 436 {
 437         struct ivi_compositor *ivi = surface->ivi;
 438
 439         struct weston_desktop_surface *dsurface = surface->dsurface;
 440         struct weston_surface *wsurface =
 441                 weston_desktop_surface_get_surface(dsurface);
 442
 443         struct ivi_output *output = surface->split.output;
 444         struct weston_output *woutput = output->output;
 445
 446         struct weston_view *view = surface->view;
 447         struct weston_geometry geom;
 448
 449         int x, y;
 450         int width, height;
 451
 452         x = woutput->x;
 453         y = woutput->y;
 454
 455         if (surface->view->is_mapped)
 456                 return;
 457
 458         geom = weston_desktop_surface_get_geometry(dsurface);
 459
 460         assert(surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 461                surface->role == IVI_SURFACE_ROLE_SPLIT_V);
 462
 463         /* save the previous area in order to recover it back when if this kind
 464          * of surface is being destroyed/removed */
 465         output->area_saved = output->area;
 466
 467         switch (surface->role) {
 468         case IVI_SURFACE_ROLE_SPLIT_V:
 469                 if (geom.width == woutput->width &&
 470                     geom.height == woutput->height)
 471                         geom.width = (output->area.width / 2);
 472
 473                 x += woutput->width - geom.width;
 474                 output->area.width -= geom.width;
 475
 476                 width = woutput->width - x;
 477                 height = output->area.height;
 478                 y = output->area.y;
 479
 480                 break;
 481         case IVI_SURFACE_ROLE_SPLIT_H:
 482                 if (geom.width == woutput->width &&
 483                     geom.height == woutput->height)
 484                         geom.height = (output->area.height / 2);
 485
 486                 y = output->area.y;
 487                 output->area.y += geom.height;
 488                 output->area.height -= geom.height;
 489
 490                 width = output->area.width;
 491                 height = output->area.height;
 492
 493                 x = output->area.x;
 494
 495                 break;
 496         default:
 497                 assert(!"Invalid split orientation\n");
 498         }
 499
 500         weston_desktop_surface_set_size(dsurface,
 501                                         width, height);
 502
 503         /* resize the active surface first, output->area already contains
 504          * correct area to resize to */
 505         if (output->active)
 506                 ivi_layout_desktop_resize(output->active, output->area);
 507
 508         weston_view_set_output(view, woutput);
 509         weston_view_set_position(view, x, y);
 510         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 511
 512         weston_view_update_transform(view);
 513         weston_view_damage_below(view);
 514
 515         wsurface->is_mapped = true;
 516         surface->view->is_mapped = true;
 517 }
 518
 519 void
 520 ivi_layout_popup_committed(struct ivi_surface *surface)
 521 {
 522         struct ivi_compositor *ivi = surface->ivi;
 523
 524         struct weston_desktop_surface *dsurface = surface->dsurface;
 525         struct weston_surface *wsurface =
 526                 weston_desktop_surface_get_surface(dsurface);
 527
 528         struct ivi_output *output = surface->popup.output;
 529         struct weston_output *woutput = output->output;
 530
 531         struct weston_view *view = surface->view;
 532         struct weston_geometry geom;
 533
 534         if (surface->view->is_mapped)
 535                 return;
 536
 537         geom = weston_desktop_surface_get_geometry(dsurface);
 538         weston_log("(popup) geom x %d, y %d, width %d, height %d\n", geom.x, geom.y,
 539                         geom.width, geom.height);
 540
 541         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 542
 543         weston_view_set_output(view, woutput);
 544         if (surface->popup.x || surface->popup.y)
 545                 weston_view_set_position(view, surface->popup.x, surface->popup.y);
 546         else
 547                 weston_view_set_position(view, geom.x, geom.y);
 548         weston_layer_entry_insert(&ivi->popup.view_list, &view->layer_link);
 549
 550         weston_view_update_transform(view);
 551         weston_view_damage_below(view);
 552
 553         wsurface->is_mapped = true;
 554         surface->view->is_mapped = true;
 555 }
 556
 557 static void
 558 ivi_layout_popup_re_add(struct ivi_surface *surface)
 559 {
 560         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 561         struct weston_view *view = surface->view;
 562
 563         if (weston_view_is_mapped(view)) {
 564                 struct weston_desktop_surface *dsurface = surface->dsurface;
 565                 struct weston_surface *wsurface =
 566                         weston_desktop_surface_get_surface(dsurface);
 567
 568                 weston_layer_entry_remove(&view->layer_link);
 569
 570                 wsurface->is_mapped = false;
 571                 view->is_mapped = false;
 572         }
 573
 574         ivi_layout_popup_committed(surface);
 575 }
 576
 577 void
 578 ivi_layout_panel_committed(struct ivi_surface *surface)
 579 {
 580         struct ivi_compositor *ivi = surface->ivi;
 581         struct ivi_output *output = surface->bg.output;
 582         struct weston_output *woutput = output->output;
 583         struct weston_desktop_surface *dsurface = surface->dsurface;
 584         struct weston_surface *wsurface =
 585                 weston_desktop_surface_get_surface(dsurface);
 586         struct weston_geometry geom;
 587         int x = woutput->x;
 588         int y = woutput->y;
 589
 590         assert(surface->role == IVI_SURFACE_ROLE_PANEL);
 591
 592         /*
 593          * If the desktop_surface geometry is not set and the panel is not a
 594          * top one, we'll give this a chance to run, as some qtwayland version
 595          * seem to have a 'problem', where the panel initilization part will
 596          * have a desktop surface with 0 as geometry for *all* its members
 597          * (width/height). Doing that will result in the panel not being
 598          * displayed at all.
 599          *
 600          * Later versions of qtwayland do have the correct window geometry for
 601          * the desktop surface so the weston_surface is already mapped in
 602          * ivi_panel_init().
 603          */
 604         if (wsurface->is_mapped)
 605                 return;
 606
 607         geom = weston_desktop_surface_get_geometry(dsurface);
 608
 609 #ifdef AGL_COMP_DEBUG
 610         weston_log("geom.width %d, geom.height %d, geom.x %d, geom.y %d\n",
 611                         geom.width, geom.height, geom.x, geom.y);
 612 #endif
 613
 614         switch (surface->panel.edge) {
 615         case AGL_SHELL_EDGE_TOP:
 616                 /* Do nothing */
 617                 break;
 618         case AGL_SHELL_EDGE_BOTTOM:
 619                 y += woutput->height - geom.height;
 620                 break;
 621         case AGL_SHELL_EDGE_LEFT:
 622                 /* Do nothing */
 623                 break;
 624         case AGL_SHELL_EDGE_RIGHT:
 625                 x += woutput->width - geom.width;
 626                 break;
 627         }
 628 #ifndef AGL_COMP_DEBUG
 629         weston_log("panel type %d commited\n", surface->panel.edge);
 630 #endif
 631
 632         weston_view_set_output(surface->view, woutput);
 633         weston_view_set_position(surface->view, x, y);
 634         weston_layer_entry_insert(&ivi->panel.view_list,
 635                                   &surface->view->layer_link);
 636
 637         weston_view_update_transform(surface->view);
 638         weston_view_schedule_repaint(surface->view);
 639
 640         wsurface->is_mapped = true;
 641         surface->view->is_mapped = true;
 642 }
 643
 644 static bool
 645 ivi_layout_surface_is_split_or_fullscreen(struct ivi_surface *surf)
 646 {
 647         struct ivi_compositor *ivi = surf->ivi;
 648         struct ivi_surface *is;
 649
 650         if (surf->role != IVI_SURFACE_ROLE_SPLIT_H &&
 651             surf->role != IVI_SURFACE_ROLE_SPLIT_V &&
 652             surf->role != IVI_SURFACE_ROLE_FULLSCREEN)
 653                 return false;
 654
 655         wl_list_for_each(is, &ivi->surfaces, link)
 656                 if (is == surf)
 657                         return true;
 658
 659         return false;
 660 }
 661
 662 void
 663 ivi_layout_activate(struct ivi_output *output, const char *app_id)
 664 {
 665         struct ivi_compositor *ivi = output->ivi;
 666         struct ivi_surface *surf;
 667         struct weston_desktop_surface *dsurf;
 668         struct weston_view *view;
 669         struct weston_geometry geom;
 670         struct ivi_policy *policy = output->ivi->policy;
 671
 672         surf = ivi_find_app(ivi, app_id);
 673         if (!surf)
 674                 return;
 675
 676         if (policy && policy->api.surface_activate &&
 677             !policy->api.surface_activate(surf, surf->ivi)) {
 678                 return;
 679         }
 680
 681 #ifdef AGL_COMP_DEBUG
 682         weston_log("Activating app_id %s, type %s\n", app_id,
 683                         ivi_layout_get_surface_role_name(surf));
 684 #endif
 685
 686         if (surf->role == IVI_SURFACE_ROLE_POPUP) {
 687                 ivi_layout_popup_re_add(surf);
 688                 return;
 689         }
 690
 691         /* do not 're'-activate surfaces that are split or active */
 692         if (surf == output->active ||
 693             ivi_layout_surface_is_split_or_fullscreen(surf))
 694                 return;
 695
 696
 697         dsurf = surf->dsurface;
 698         view = surf->view;
 699         geom = weston_desktop_surface_get_geometry(dsurf);
 700
 701         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
 702                 surf->desktop.pending_output = output;
 703         if (weston_desktop_surface_get_maximized(dsurf) &&
 704             geom.width == output->area.width &&
 705             geom.height == output->area.height) {
 706                 ivi_layout_activate_complete(output, surf);
 707                 return;
 708         }
 709
 710         weston_desktop_surface_set_maximized(dsurf, true);
 711         weston_desktop_surface_set_size(dsurf,
 712                                         output->area.width,
 713                                         output->area.height);
 714
 715         weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 716                         app_id, ivi_layout_get_surface_role_name(surf),
 717                         output->area.width, output->area.height);
 718         /*
 719          * If the view isn't mapped, we put it onto the hidden layer so it will
 720          * start receiving frame events, and will be able to act on our
 721          * configure event.
 722          */
 723         if (!weston_view_is_mapped(view)) {
 724                 view->is_mapped = true;
 725                 view->surface->is_mapped = true;
 726
 727                 weston_view_set_output(view, output->output);
 728                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
 729                 /* force repaint of the entire output */
 730
 731                 weston_log("Placed app_id %s, type %s in hidden layer\n",
 732                                 app_id, ivi_layout_get_surface_role_name(surf));
 733                 weston_output_damage(output->output);
 734         }
 735 }
 736
 737 struct ivi_output *
 738 ivi_layout_get_output_from_surface(struct ivi_surface *surf)
 739 {
 740         struct ivi_output *ivi_output = NULL;
 741
 742         switch (surf->role) {
 743         case IVI_SURFACE_ROLE_DESKTOP:
 744                 if (surf->desktop.pending_output)
 745                         ivi_output = surf->desktop.pending_output;
 746                 else
 747                         ivi_output = surf->desktop.last_output;
 748                 break;
 749         case IVI_SURFACE_ROLE_POPUP:
 750                 ivi_output = surf->popup.output;
 751                 break;
 752         case IVI_SURFACE_ROLE_BACKGROUND:
 753                 ivi_output = surf->bg.output;
 754                 break;
 755         case IVI_SURFACE_ROLE_PANEL:
 756                 ivi_output = surf->panel.output;
 757                 break;
 758         case IVI_SURFACE_ROLE_FULLSCREEN:
 759                 ivi_output = surf->fullscreen.output;
 760                 break;
 761         case IVI_SURFACE_ROLE_SPLIT_H:
 762         case IVI_SURFACE_ROLE_SPLIT_V:
 763                 ivi_output = surf->split.output;
 764                 break;
 765         case IVI_SURFACE_ROLE_REMOTE:
 766                 ivi_output = surf->remote.output;
 767                 break;
 768         case IVI_SURFACE_ROLE_NONE:
 769         default:
 770                 break;
 771         }
 772
 773         return ivi_output;
 774 }
 775
 776 void
 777 ivi_layout_deactivate(struct ivi_compositor *ivi, const char *app_id)
 778 {
 779         struct ivi_surface *surf;
 780         struct ivi_output *ivi_output;
 781         struct ivi_policy *policy = ivi->policy;
 782
 783         surf = ivi_find_app(ivi, app_id);
 784         if (!surf)
 785                 return;
 786
 787         if (policy && policy->api.surface_deactivate &&
 788             !policy->api.surface_deactivate(surf, surf->ivi)) {
 789                 return;
 790         }
 791
 792         ivi_output = ivi_layout_get_output_from_surface(surf);
 793         weston_log("Deactiving %s, role %s\n", app_id,
 794                         ivi_layout_get_surface_role_name(surf));
 795
 796         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
 797                 struct ivi_surface *previous_active;
 798
 799                 previous_active = ivi_output->previous_active;
 800                 if (!previous_active) {
 801                         /* we don't have a previous active it means we should
 802                          * display the bg */
 803                         if (ivi_output->active) {
 804                                 struct weston_view *view;
 805
 806                                 view = ivi_output->active->view;
 807                                 view->is_mapped = false;
 808                                 view->surface->is_mapped = false;
 809
 810                                 weston_layer_entry_remove(&view->layer_link);
 811                                 weston_output_damage(ivi_output->output);
 812                         }
 813                 } else {
 814                         struct weston_desktop_surface *dsurface;
 815                         const char *previous_active_app_id;
 816
 817                         dsurface = previous_active->dsurface;
 818                         previous_active_app_id =
 819                                 weston_desktop_surface_get_app_id(dsurface);
 820                         ivi_layout_activate(ivi_output, previous_active_app_id);
 821                 }
 822         } else if (surf->role == IVI_SURFACE_ROLE_POPUP) {
 823                 struct weston_view *view  = surf->view;
 824
 825                 weston_layer_entry_remove(&view->layer_link);
 826                 weston_view_damage_below(view);
 827         }
 828 }