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 bool
  53 ivi_surf_in_hidden_layer(struct ivi_compositor *ivi, struct ivi_surface *surface);
  54
  55 const char *
  56 ivi_layout_get_surface_role_name(struct ivi_surface *surf)
  57 {
  58         if (surf->role < 0 || surf->role >= ARRAY_LENGTH(ivi_roles_as_string))
  59                 return " unknown surface role";
  60
  61         return ivi_roles_as_string[surf->role];
  62 }
  63
  64 static void
  65 ivi_background_init(struct ivi_compositor *ivi, struct ivi_output *output)
  66 {
  67         struct weston_output *woutput = output->output;
  68         struct ivi_surface *bg = output->background;
  69         struct weston_view *view;
  70
  71         if (!bg) {
  72                 weston_log("WARNING: Output does not have a background\n");
  73                 return;
  74         }
  75
  76         assert(bg->role == IVI_SURFACE_ROLE_BACKGROUND);
  77
  78         view = bg->view;
  79
  80         weston_view_set_output(view, woutput);
  81         weston_view_set_position(view, woutput->x, woutput->y);
  82
  83         weston_log("(background) position view %p, x %d, y %d, on output %s\n", view,
  84                         woutput->x, woutput->y, output->name);
  85
  86         view->is_mapped = true;
  87         view->surface->is_mapped = true;
  88
  89         weston_layer_entry_insert(&ivi->background.view_list, &view->layer_link);
  90 }
  91
  92 static void
  93 ivi_panel_init(struct ivi_compositor *ivi, struct ivi_output *output,
  94                struct ivi_surface *panel)
  95 {
  96         struct weston_output *woutput = output->output;
  97         struct weston_desktop_surface *dsurface;
  98         struct weston_view *view;
  99         struct weston_geometry geom;
 100         int x = woutput->x;
 101         int y = woutput->y;
 102
 103         if (!panel)
 104                 return;
 105
 106         assert(panel->role == IVI_SURFACE_ROLE_PANEL);
 107         dsurface = panel->dsurface;
 108         view = panel->view;
 109         geom = weston_desktop_surface_get_geometry(dsurface);
 110
 111         weston_log("(panel) geom.width %d, geom.height %d, geom.x %d, geom.y %d\n",
 112                         geom.width, geom.height, geom.x, geom.y);
 113
 114         switch (panel->panel.edge) {
 115         case AGL_SHELL_EDGE_TOP:
 116                 output->area.y += geom.height;
 117                 output->area.height -= geom.height;
 118                 break;
 119         case AGL_SHELL_EDGE_BOTTOM:
 120                 y += woutput->height - geom.height;
 121                 output->area.height -= geom.height;
 122                 break;
 123         case AGL_SHELL_EDGE_LEFT:
 124                 output->area.x += geom.width;
 125                 output->area.width -= geom.width;
 126                 break;
 127         case AGL_SHELL_EDGE_RIGHT:
 128                 x += woutput->width - geom.width;
 129                 output->area.width -= geom.width;
 130                 break;
 131         }
 132
 133         x -= geom.x;
 134         y -= geom.y;
 135
 136         weston_view_set_output(view, woutput);
 137         weston_view_set_position(view, x, y);
 138
 139         weston_log("(panel) edge %d position view %p, x %d, y %d\n",
 140                         panel->panel.edge, view, x, y);
 141
 142         view->is_mapped = true;
 143         view->surface->is_mapped = true;
 144
 145         weston_log("panel type %d inited on output %s\n", panel->panel.edge,
 146                         output->name);
 147
 148         weston_layer_entry_insert(&ivi->panel.view_list, &view->layer_link);
 149 }
 150
 151 /*
 152  * Initializes all static parts of the layout, i.e. the background and panels.
 153  */
 154 void
 155 ivi_layout_init(struct ivi_compositor *ivi, struct ivi_output *output)
 156 {
 157         bool use_default_area = true;
 158
 159         ivi_background_init(ivi, output);
 160
 161         if (output->area_activation.width ||
 162             output->area_activation.height ||
 163             output->area_activation.x ||
 164             output->area_activation.y) {
 165                 /* Sanity check target area is within output bounds */
 166                 if ((output->area_activation.x + output->area_activation.width) < output->output->width ||
 167                     (output->area_activation.y + output->area_activation.height) < output->output->height) {
 168                         weston_log("Using specified area for output %s, ignoring panels\n",
 169                                    output->name);
 170                         output->area.x = output->area_activation.x;
 171                         output->area.y = output->area_activation.y;
 172                         output->area.width = output->area_activation.width;
 173                         output->area.height = output->area_activation.height;
 174                         use_default_area = false;
 175                 } else {
 176                         weston_log("Invalid activation-area position for output %s, ignoring\n",
 177                                    output->name);
 178                 }
 179         }
 180         if (use_default_area) {
 181                 output->area.x = 0;
 182                 output->area.y = 0;
 183                 output->area.width = output->output->width;
 184                 output->area.height = output->output->height;
 185
 186                 ivi_panel_init(ivi, output, output->top);
 187                 ivi_panel_init(ivi, output, output->bottom);
 188                 ivi_panel_init(ivi, output, output->left);
 189                 ivi_panel_init(ivi, output, output->right);
 190         }
 191
 192         weston_compositor_schedule_repaint(ivi->compositor);
 193
 194         weston_log("Usable area: %dx%d+%d,%d\n",
 195                    output->area.width, output->area.height,
 196                    output->area.x, output->area.y);
 197 }
 198
 199 struct ivi_surface *
 200 ivi_find_app(struct ivi_compositor *ivi, const char *app_id)
 201 {
 202         struct ivi_surface *surf;
 203         const char *id;
 204
 205         wl_list_for_each(surf, &ivi->surfaces, link) {
 206                 id = weston_desktop_surface_get_app_id(surf->dsurface);
 207                 if (id && strcmp(app_id, id) == 0)
 208                         return surf;
 209         }
 210
 211         return NULL;
 212 }
 213
 214 static void
 215 ivi_layout_activate_complete(struct ivi_output *output,
 216                              struct ivi_surface *surf)
 217 {
 218         struct ivi_compositor *ivi = output->ivi;
 219         struct weston_output *woutput = output->output;
 220         struct weston_view *view = surf->view;
 221         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 222         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 223         const char *app_id = weston_desktop_surface_get_app_id(surf->dsurface);
 224         bool update_previous = true;
 225
 226         if (weston_view_is_mapped(view)) {
 227                 weston_layer_entry_remove(&view->layer_link);
 228         } else {
 229                 weston_view_update_transform(view);
 230         }
 231
 232         if (output_has_black_curtain(output)) {
 233                 if (!output->background) {
 234                         weston_log("Found that we have no background surface "
 235                                     "for output %s. Using black curtain as background\n",
 236                                     output->output->name);
 237
 238                         struct weston_view *ev =
 239                                 output->fullscreen_view.fs->view;
 240
 241                         /* use the black curtain as background when we have
 242                          * none added by the shell client. */
 243                         weston_layer_entry_remove(&ev->layer_link);
 244                         weston_layer_entry_insert(&ivi->normal.view_list,
 245                                                   &ev->layer_link);
 246                         weston_view_geometry_dirty(ev);
 247                         weston_surface_damage(ev->surface);
 248                 } else {
 249                         remove_black_curtain(output);
 250                 }
 251         }
 252
 253
 254         weston_view_set_output(view, woutput);
 255         /* drop any previous masks set on this view */
 256         weston_view_set_mask_infinite(view);
 257
 258         if (surf->role != IVI_SURFACE_ROLE_BACKGROUND)
 259                 weston_view_set_position(view,
 260                                          woutput->x + output->area.x,
 261                                          woutput->y + output->area.y);
 262
 263         view->is_mapped = true;
 264         surf->mapped = true;
 265         view->surface->is_mapped = true;
 266
 267         /* handle a movement from one output to another */
 268         if (surf->current_completed_output &&
 269             surf->current_completed_output != output) {
 270
 271                 /* we're migrating the same surface but to another output */
 272                 if (surf->current_completed_output->active == surf) {
 273                         struct weston_view *ev =
 274                                 surf->current_completed_output->active->view;
 275
 276                         weston_layer_entry_remove(&ev->layer_link);
 277                         surf->current_completed_output->previous_active =
 278                                 surf->current_completed_output->active;
 279                         surf->current_completed_output->active = NULL;
 280
 281                         /* damage all possible outputs to avoid stale views */
 282                         weston_compositor_damage_all(ivi->compositor);
 283                 }
 284         }
 285
 286         if (output->active) {
 287                 /* keep the background surface mapped at all times */
 288                 if (output->active->role != IVI_SURFACE_ROLE_BACKGROUND) {
 289                         output->active->view->is_mapped = false;
 290                         output->active->view->surface->is_mapped = false;
 291
 292                         weston_layer_entry_remove(&output->active->view->layer_link);
 293                 }
 294         }
 295
 296         if (output->previous_active && output->active) {
 297                 const char *c_app_id =
 298                         weston_desktop_surface_get_app_id(output->active->dsurface);
 299
 300                 /* if the currently activated app_id is the same as the one
 301                  * we're trying to complete activation with means we're
 302                  * operating on the same app_id so do update previous_active as
 303                  * it will overwrite it with the same value */
 304                 if (!strcmp(c_app_id, app_id)) {
 305                         update_previous = false;
 306                 }
 307         }
 308
 309         if (update_previous)
 310                 output->previous_active = output->active;
 311         output->active = surf;
 312         surf->current_completed_output = output;
 313
 314         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 315         weston_view_geometry_dirty(view);
 316         weston_surface_damage(view->surface);
 317
 318         if (ivi_seat)
 319                 ivi_shell_activate_surface(surf, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 320
 321         /*
 322          * the 'remote' role now makes use of this part so make sure we don't
 323          * trip the enum such that we might end up with a modified output for
 324          * 'remote' role
 325          */
 326         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
 327                 if (surf->desktop.pending_output)
 328                         surf->desktop.last_output = surf->desktop.pending_output;
 329                 surf->desktop.pending_output = NULL;
 330         }
 331
 332         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 333                         app_id,
 334                         ivi_layout_get_surface_role_name(surf), output->name);
 335
 336         shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_ACTIVATED);
 337 }
 338
 339 static bool
 340 ivi_layout_find_output_with_app_id(const char *app_id, struct ivi_output *output)
 341 {
 342         char *cur;
 343         size_t app_id_len;
 344
 345         cur = output->app_ids;
 346         app_id_len = strlen(app_id);
 347
 348         while ((cur = strstr(cur, app_id))) {
 349                 if ((cur[app_id_len] == ',' || cur[app_id_len] == '\0') &&
 350                     (cur == output->app_ids || cur[-1] == ','))
 351                         return true;
 352                 cur++;
 353         }
 354
 355         return false;
 356 }
 357
 358 struct ivi_output *
 359 ivi_layout_find_with_app_id(const char *app_id, struct ivi_compositor *ivi)
 360 {
 361         struct ivi_output *out;
 362
 363         if (!app_id)
 364                 return NULL;
 365
 366         wl_list_for_each(out, &ivi->outputs, link) {
 367                 if (!out->app_ids)
 368                         continue;
 369
 370                 if (ivi_layout_find_output_with_app_id(app_id, out))
 371                         return out;
 372         }
 373         return NULL;
 374 }
 375
 376 struct ivi_output *
 377 ivi_layout_find_bg_output(struct ivi_compositor *ivi)
 378 {
 379         struct ivi_output *out;
 380
 381         wl_list_for_each(out, &ivi->outputs, link) {
 382                 if (out->background &&
 383                     out->background->role == IVI_SURFACE_ROLE_BACKGROUND)
 384                         return out;
 385         }
 386
 387         return NULL;
 388 }
 389
 390
 391 static void
 392 ivi_layout_add_to_hidden_layer(struct ivi_surface *surf,
 393                                struct ivi_output *ivi_output)
 394 {
 395         struct weston_desktop_surface *dsurf = surf->dsurface;
 396         struct weston_view *ev = surf->view;
 397         struct ivi_compositor *ivi = surf->ivi;
 398         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 399
 400         /*
 401          * If the view isn't mapped, we put it onto the hidden layer so it will
 402          * start receiving frame events, and will be able to act on our
 403          * configure event.
 404          */
 405         if (!weston_view_is_mapped(ev)) {
 406                 ev->is_mapped = true;
 407                 ev->surface->is_mapped = true;
 408
 409                 weston_desktop_surface_set_maximized(dsurf, true);
 410                 weston_desktop_surface_set_size(dsurf,
 411                                                 ivi_output->area.width,
 412                                                 ivi_output->area.height);
 413
 414                 weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 415                            app_id, ivi_layout_get_surface_role_name(surf),
 416                            ivi_output->area.width, ivi_output->area.height);
 417
 418                 surf->hidden_layer_output = ivi_output;
 419                 weston_view_set_output(ev, ivi_output->output);
 420                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
 421                 weston_log("Placed app_id %s, type %s in hidden layer on output %s\n",
 422                                 app_id, ivi_layout_get_surface_role_name(surf),
 423                                 ivi_output->output->name);
 424
 425                 weston_compositor_schedule_repaint(ivi->compositor);
 426                 return;
 427         }
 428
 429         /* we might have another output to activate */
 430         if (surf->hidden_layer_output &&
 431             surf->hidden_layer_output != ivi_output) {
 432                 weston_layer_entry_remove(&ev->layer_link);
 433                 weston_view_geometry_dirty(ev);
 434                 weston_surface_damage(ev->surface);
 435
 436                 if (ivi_output->area.width != surf->hidden_layer_output->area.width ||
 437                     ivi_output->area.height != surf->hidden_layer_output->area.height) {
 438                         weston_desktop_surface_set_maximized(dsurf, true);
 439                         weston_desktop_surface_set_size(dsurf,
 440                                                         ivi_output->area.width,
 441                                                         ivi_output->area.height);
 442                 }
 443
 444                 weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 445                                 app_id, ivi_layout_get_surface_role_name(surf),
 446                                 ivi_output->area.width, ivi_output->area.height);
 447
 448                 surf->hidden_layer_output = ivi_output;
 449                 weston_view_set_output(ev, ivi_output->output);
 450                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
 451                 weston_log("Placed app_id %s, type %s in hidden layer on output %s\n",
 452                                 app_id, ivi_layout_get_surface_role_name(surf),
 453                                 ivi_output->output->name);
 454         }
 455
 456         weston_compositor_schedule_repaint(ivi->compositor);
 457 }
 458
 459 void
 460 ivi_layout_remote_committed(struct ivi_surface *surf)
 461 {
 462         struct weston_desktop_surface *dsurf = surf->dsurface;
 463         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 464         struct ivi_policy *policy = surf->ivi->policy;
 465         struct ivi_output *output;
 466         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 467
 468         assert(surf->role == IVI_SURFACE_ROLE_REMOTE);
 469
 470         output = surf->remote.output;
 471
 472         if (policy && policy->api.surface_activate_by_default &&
 473             !policy->api.surface_activate_by_default(surf, surf->ivi))
 474                 return;
 475
 476         /* we can only activate it again by using the protocol, but
 477          * additionally the output is not reset when
 478          * ivi_layout_activate_complete() terminates so we use the
 479          * current active surface to avoid hitting this again and again
 480          * */
 481         if (surf->mapped && output->active == surf)
 482                 return;
 483
 484         if (!surf->ivi->activate_by_default &&
 485             !ivi_surf_in_hidden_layer(surf->ivi, surf)) {
 486                 weston_log("Refusing to activate surface role %d, "
 487                             "app_id %s\n", surf->role, app_id);
 488
 489                 if (!weston_desktop_surface_get_maximized(dsurf) ||
 490                     geom.width != output->area.width ||
 491                     geom.height != output->area.height) {
 492                         ivi_layout_add_to_hidden_layer(surf, output);
 493                 }
 494
 495                 return;
 496         }
 497
 498         if (!weston_desktop_surface_get_maximized(dsurf) ||
 499             geom.width != output->area.width ||
 500             geom.height != output->area.height)
 501                 return;
 502
 503         ivi_layout_activate_complete(output, surf);
 504 }
 505
 506 void
 507 ivi_layout_desktop_committed(struct ivi_surface *surf)
 508 {
 509         struct weston_desktop_surface *dsurf = surf->dsurface;
 510         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 511         struct ivi_policy *policy = surf->ivi->policy;
 512         struct ivi_output *output;
 513         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 514
 515         assert(surf->role == IVI_SURFACE_ROLE_DESKTOP);
 516
 517         /*
 518          * we can't make use here of the ivi_layout_get_output_from_surface()
 519          * due to the fact that we'll always land here when a surface performs
 520          * a commit and pending_output will not bet set. This works in tandem
 521          * with 'mapped' at this point to avoid tripping over
 522          * to a surface that continuously updates its content
 523          */
 524         output = surf->desktop.pending_output;
 525
 526         if (!output) {
 527                 struct ivi_output *r_output;
 528
 529                 if (policy && policy->api.surface_activate_by_default &&
 530                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 531                         return;
 532
 533                 /* we can only activate it again by using the protocol */
 534                 if (surf->mapped)
 535                         return;
 536
 537                 /* check first if there aren't any outputs being set */
 538                 r_output = ivi_layout_find_with_app_id(app_id, surf->ivi);
 539
 540                 if (r_output) {
 541                         struct weston_view *view = r_output->fullscreen_view.fs->view;
 542                         if (view->is_mapped || view->surface->is_mapped)
 543                                 remove_black_curtain(r_output);
 544                 }
 545
 546
 547                 /* try finding an output with a background and use that */
 548                 if (!r_output)
 549                         r_output = ivi_layout_find_bg_output(surf->ivi);
 550
 551                 /* if we couldn't still find an output by this point, there's
 552                  * something wrong so we abort with a protocol error */
 553                 if (!r_output) {
 554                         wl_resource_post_error(surf->ivi->shell_client.resource,
 555                                                AGL_SHELL_ERROR_INVALID_ARGUMENT,
 556                                                "No valid output found to activate surface by default");
 557                         return;
 558                 }
 559
 560                 if (!surf->ivi->activate_by_default) {
 561                         weston_log("Refusing to activate surface role %d, app_id %s\n",
 562                                         surf->role, app_id);
 563
 564                         if (!weston_desktop_surface_get_maximized(dsurf) ||
 565                             geom.width != r_output->area.width ||
 566                             geom.height != r_output->area.height)
 567                                 ivi_layout_add_to_hidden_layer(surf, r_output);
 568
 569                         return;
 570                 }
 571
 572                 /* use the output of the bg to activate the app on start-up by
 573                  * default */
 574                 if (surf->view && r_output) {
 575                         if (app_id && r_output) {
 576                                 weston_log("Surface with app_id %s, role %s activating by default\n",
 577                                         weston_desktop_surface_get_app_id(surf->dsurface),
 578                                         ivi_layout_get_surface_role_name(surf));
 579                                 ivi_layout_activate(r_output, app_id);
 580                         } else if (!app_id) {
 581                                 /*
 582                                  * applications not setting an app_id, or
 583                                  * setting an app_id but at a later point in
 584                                  * time, might fall-back here so give them a
 585                                  * chance to receive the configure event and
 586                                  * act upon it
 587                                  */
 588                                 weston_log("Surface no app_id, role %s activating by default\n",
 589                                         ivi_layout_get_surface_role_name(surf));
 590                                 ivi_layout_activate_by_surf(r_output, surf);
 591                         }
 592                 }
 593
 594                 return;
 595         }
 596
 597         if (!weston_desktop_surface_get_maximized(dsurf) ||
 598             geom.width != output->area.width ||
 599             geom.height != output->area.height)
 600                 return;
 601
 602         ivi_layout_activate_complete(output, surf);
 603 }
 604
 605 void
 606 ivi_layout_fullscreen_committed(struct ivi_surface *surface)
 607 {
 608         struct ivi_compositor *ivi = surface->ivi;
 609         struct ivi_policy *policy = ivi->policy;
 610
 611         struct weston_desktop_surface *dsurface = surface->dsurface;
 612         struct weston_surface *wsurface =
 613                 weston_desktop_surface_get_surface(dsurface);
 614         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 615
 616         struct ivi_output *output = surface->split.output;
 617         struct weston_output *woutput = output->output;
 618         struct ivi_output *bg_output = ivi_layout_find_bg_output(ivi);
 619
 620         struct weston_view *view = surface->view;
 621         struct weston_geometry geom =
 622                 weston_desktop_surface_get_geometry(dsurface);
 623
 624         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 625         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 626
 627         bool is_fullscreen = weston_desktop_surface_get_fullscreen(dsurface);
 628         bool is_dim_same =
 629                 geom.width == bg_output->output->width &&
 630                 geom.height == bg_output->output->height;
 631
 632         if (policy && policy->api.surface_activate_by_default &&
 633             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 634             !surface->mapped)
 635                 return;
 636
 637         assert(surface->role == IVI_SURFACE_ROLE_FULLSCREEN);
 638
 639
 640         if (surface->state == FULLSCREEN && weston_view_is_mapped(view))
 641                 return;
 642
 643         /* if we still get here but we haven't resized so far, send configure
 644          * events to do so */
 645         if (surface->state != RESIZING && (!is_fullscreen || !is_dim_same)) {
 646                 struct ivi_output *bg_output =
 647                         ivi_layout_find_bg_output(surface->ivi);
 648
 649                 weston_log("Placing fullscreen app_id %s, type %s in hidden layer\n",
 650                                 app_id, ivi_layout_get_surface_role_name(surface));
 651                 weston_desktop_surface_set_fullscreen(dsurface, true);
 652                 weston_desktop_surface_set_size(dsurface,
 653                                                 bg_output->output->width,
 654                                                 bg_output->output->height);
 655
 656                 surface->state = RESIZING;
 657                 weston_view_set_output(view, output->output);
 658                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
 659                 return;
 660         }
 661
 662         /* eventually, we would set the surface fullscreen, but the client
 663          * hasn't resized correctly by this point, so terminate connection */
 664         if (surface->state == RESIZING && is_fullscreen && !is_dim_same) {
 665                 struct weston_desktop_client *desktop_client =
 666                         weston_desktop_surface_get_client(dsurface);
 667                 struct wl_client *client =
 668                         weston_desktop_client_get_client(desktop_client);
 669                 wl_client_post_implementation_error(client,
 670                                 "can not display surface due to invalid geometry."
 671                                 " Client should perform a geometry resize!");
 672                 return;
 673         }
 674
 675         /* this implies we resized correctly */
 676         if (!weston_view_is_mapped(view) || surface->state != FULLSCREEN) {
 677                 weston_layer_entry_remove(&view->layer_link);
 678
 679                 weston_view_set_output(view, woutput);
 680                 weston_view_set_position(view, woutput->x, woutput->y);
 681                 weston_layer_entry_insert(&ivi->fullscreen.view_list, &view->layer_link);
 682
 683                 wsurface->is_mapped = true;
 684                 surface->view->is_mapped = true;
 685                 surface->state = FULLSCREEN;
 686
 687                 weston_view_geometry_dirty(view);
 688                 weston_surface_damage(view->surface);
 689
 690                 if (ivi_seat)
 691                         ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 692
 693                 shell_advertise_app_state(ivi, app_id,
 694                                 NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 695
 696                 weston_log("Activation completed for app_id %s, role %s, "
 697                            "output %s\n", app_id,
 698                            ivi_layout_get_surface_role_name(surface),
 699                            output->name);
 700
 701         }
 702 }
 703
 704 void
 705 ivi_layout_desktop_resize(struct ivi_surface *surface,
 706                           struct weston_geometry area)
 707 {
 708         struct weston_desktop_surface *dsurf = surface->dsurface;
 709         struct weston_view *view = surface->view;
 710
 711         int x = area.x;
 712         int y = area.y;
 713         int width = area.width;
 714         int height = area.height;
 715
 716         weston_desktop_surface_set_size(dsurf,
 717                                         width, height);
 718
 719         weston_view_set_position(view, x, y);
 720
 721         weston_view_geometry_dirty(view);
 722         weston_surface_damage(view->surface);
 723 }
 724
 725 void
 726 ivi_layout_split_committed(struct ivi_surface *surface)
 727 {
 728         struct ivi_compositor *ivi = surface->ivi;
 729         struct ivi_policy *policy = ivi->policy;
 730
 731         struct weston_desktop_surface *dsurface = surface->dsurface;
 732         struct weston_surface *wsurface =
 733                 weston_desktop_surface_get_surface(dsurface);
 734         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 735
 736         struct ivi_output *output = surface->split.output;
 737         struct weston_output *woutput = output->output;
 738
 739         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 740         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 741
 742         struct weston_view *view = surface->view;
 743         struct weston_geometry geom;
 744
 745         int x, y;
 746         int width, height;
 747
 748         x = woutput->x;
 749         y = woutput->y;
 750
 751         if (policy && policy->api.surface_activate_by_default &&
 752             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 753             !surface->mapped)
 754                 return;
 755
 756         if (surface->view->is_mapped)
 757                 return;
 758
 759         geom = weston_desktop_surface_get_geometry(dsurface);
 760
 761         assert(surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 762                surface->role == IVI_SURFACE_ROLE_SPLIT_V);
 763
 764         /* save the previous area in order to recover it back when if this kind
 765          * of surface is being destroyed/removed */
 766         output->area_saved = output->area;
 767
 768         switch (surface->role) {
 769         case IVI_SURFACE_ROLE_SPLIT_V:
 770                 geom.width = (output->area.width / 2);
 771
 772                 x += woutput->width - geom.width;
 773                 output->area.width -= geom.width;
 774
 775                 width = woutput->width - x;
 776                 height = output->area.height;
 777                 y = output->area.y;
 778
 779                 break;
 780         case IVI_SURFACE_ROLE_SPLIT_H:
 781                 geom.height = (output->area.height / 2);
 782
 783                 y = output->area.y;
 784                 output->area.y += geom.height;
 785                 output->area.height -= geom.height;
 786
 787                 width = output->area.width;
 788                 height = output->area.height;
 789
 790                 x = output->area.x;
 791
 792                 break;
 793         default:
 794                 assert(!"Invalid split orientation\n");
 795         }
 796
 797         weston_desktop_surface_set_size(dsurface,
 798                                         width, height);
 799
 800         /* resize the active surface first, output->area already contains
 801          * correct area to resize to */
 802         if (output->active)
 803                 ivi_layout_desktop_resize(output->active, output->area);
 804
 805         weston_view_set_output(view, woutput);
 806         weston_view_set_position(view, x, y);
 807         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 808
 809         weston_view_geometry_dirty(view);
 810         weston_surface_damage(view->surface);
 811
 812         if (ivi_seat)
 813                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 814
 815         wsurface->is_mapped = true;
 816         surface->view->is_mapped = true;
 817
 818         shell_advertise_app_state(ivi, app_id,
 819                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 820
 821         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 822                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 823 }
 824
 825 static void
 826 ivi_compute_popup_position(const struct weston_output *output, struct weston_view *view,
 827                            int initial_x, int initial_y, int *new_x, int *new_y)
 828 {
 829         *new_x = output->x + initial_x;
 830         *new_y = output->y + initial_y;
 831 }
 832
 833
 834 bool
 835 ivi_surf_in_hidden_layer(struct ivi_compositor *ivi, struct ivi_surface *surface)
 836 {
 837         struct weston_view *ev;
 838
 839         wl_list_for_each(ev, &ivi->hidden.view_list.link, layer_link.link) {
 840                 if (ev == surface->view)
 841                         return true;
 842         }
 843
 844         wl_list_for_each(ev, &ivi->fullscreen.view_list.link, layer_link.link) {
 845                 if (ev == surface->view)
 846                         return true;
 847         }
 848
 849         return false;
 850 }
 851
 852 void
 853 ivi_layout_popup_committed(struct ivi_surface *surface)
 854 {
 855         struct ivi_compositor *ivi = surface->ivi;
 856         struct ivi_policy *policy = ivi->policy;
 857
 858         struct weston_desktop_surface *dsurface = surface->dsurface;
 859         struct weston_surface *wsurface =
 860                 weston_desktop_surface_get_surface(dsurface);
 861         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 862
 863         int new_x, new_y;
 864
 865         struct ivi_output *output = surface->popup.output;
 866         struct weston_output *woutput = output->output;
 867
 868         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 869         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 870
 871         struct weston_view *view = surface->view;
 872
 873         if (policy && policy->api.surface_activate_by_default &&
 874             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 875             !surface->mapped)
 876                 return;
 877
 878         if (surface->view->is_mapped || surface->state == HIDDEN)
 879                 return;
 880
 881         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 882
 883         /* remove it from hidden layer if present */
 884         if (ivi_surf_in_hidden_layer(ivi, surface))
 885                 weston_layer_entry_remove(&view->layer_link);
 886
 887         weston_view_set_output(view, woutput);
 888
 889         ivi_compute_popup_position(woutput, view,
 890                                    surface->popup.x, surface->popup.y, &new_x, &new_y);
 891         weston_view_set_position(view, new_x, new_y);
 892         weston_view_update_transform(view);
 893
 894         /* only clip the pop-up dialog window if we have a valid
 895          * width and height being passed on. Users might not want to have one
 896          * set-up so only enfore it is really passed on. */
 897         if (surface->popup.bb.width > 0 && surface->popup.bb.height > 0)
 898                 weston_view_set_mask(view, surface->popup.bb.x, surface->popup.bb.y,
 899                                      surface->popup.bb.width, surface->popup.bb.height);
 900
 901         weston_layer_entry_insert(&ivi->popup.view_list, &view->layer_link);
 902
 903         weston_view_geometry_dirty(view);
 904         weston_surface_damage(view->surface);
 905
 906         if (ivi_seat)
 907                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 908
 909         wsurface->is_mapped = true;
 910         surface->view->is_mapped = true;
 911
 912         shell_advertise_app_state(ivi, app_id,
 913                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 914
 915         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 916                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 917 }
 918
 919 static void
 920 ivi_layout_popup_re_add(struct ivi_surface *surface)
 921 {
 922         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 923         struct weston_view *view = surface->view;
 924
 925         if (weston_view_is_mapped(view)) {
 926                 struct weston_desktop_surface *dsurface = surface->dsurface;
 927                 struct weston_surface *wsurface =
 928                         weston_desktop_surface_get_surface(dsurface);
 929
 930                 weston_layer_entry_remove(&view->layer_link);
 931
 932                 wsurface->is_mapped = false;
 933                 view->is_mapped = false;
 934         }
 935
 936         /* reset the activate by default in order to (still) allow the surface
 937          * to be activaved using the request */
 938         if (!surface->mapped)
 939                 surface->mapped = true;
 940
 941         surface->state = NORMAL;
 942         ivi_layout_popup_committed(surface);
 943 }
 944
 945 static bool
 946 ivi_layout_surface_is_split_or_fullscreen(struct ivi_surface *surf)
 947 {
 948         struct ivi_compositor *ivi = surf->ivi;
 949         struct ivi_surface *is;
 950
 951         if (surf->role != IVI_SURFACE_ROLE_SPLIT_H &&
 952             surf->role != IVI_SURFACE_ROLE_SPLIT_V &&
 953             surf->role != IVI_SURFACE_ROLE_FULLSCREEN)
 954                 return false;
 955
 956         /* reset the activate by default in order to (still) allow the surface
 957          * to be activaved using the request */
 958         if (!surf->mapped)
 959                 surf->mapped = true;
 960
 961         wl_list_for_each(is, &ivi->surfaces, link)
 962                 if (is == surf)
 963                         return true;
 964
 965         return false;
 966 }
 967
 968 void
 969 ivi_layout_activate_by_surf(struct ivi_output *output, struct ivi_surface *surf)
 970 {
 971         struct ivi_compositor *ivi = output->ivi;
 972         struct weston_desktop_surface *dsurf;
 973         struct weston_geometry geom;
 974         struct ivi_policy *policy = output->ivi->policy;
 975
 976         dsurf = surf->dsurface;
 977
 978         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 979
 980         if (!surf)
 981                 return;
 982
 983         if (policy && policy->api.surface_activate &&
 984             !policy->api.surface_activate(surf, surf->ivi)) {
 985                 return;
 986         }
 987
 988 #ifdef AGL_COMP_DEBUG
 989         weston_log("Activating app_id %s, type %s, on output %s\n", app_id,
 990                         ivi_layout_get_surface_role_name(surf), output->output->name);
 991 #endif
 992
 993         if (surf->role == IVI_SURFACE_ROLE_POPUP) {
 994                 ivi_layout_popup_re_add(surf);
 995                 return;
 996         }
 997
 998         /* do not 're'-activate surfaces that are split or active */
 999         if (surf == output->active ||
1000             ivi_layout_surface_is_split_or_fullscreen(surf)) {
1001                 weston_log("Application %s is already active on output %s\n",
1002                                 app_id, output->output->name);
1003                 return;
1004         }
1005
1006         if (surf->role == IVI_SURFACE_ROLE_REMOTE) {
1007                 struct ivi_output *remote_output =
1008                         ivi_layout_find_with_app_id(app_id, ivi);
1009
1010                 weston_log("Changed activation for app_id %s, type %s, on output %s\n", app_id,
1011                                 ivi_layout_get_surface_role_name(surf), output->output->name);
1012
1013                 /* if already active on a remote output do not
1014                  * attempt to activate it again */
1015                 if (remote_output && remote_output->active == surf)
1016                         return;
1017         }
1018
1019
1020         geom = weston_desktop_surface_get_geometry(dsurf);
1021
1022         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
1023                 surf->desktop.pending_output = output;
1024         if (weston_desktop_surface_get_maximized(dsurf) &&
1025             geom.width == output->area.width &&
1026             geom.height == output->area.height) {
1027                 ivi_layout_activate_complete(output, surf);
1028                 return;
1029         }
1030
1031         /* the background surface is already "maximized" so we don't need to
1032          * add to the hidden layer */
1033         if (surf->role == IVI_SURFACE_ROLE_BACKGROUND) {
1034                 ivi_layout_activate_complete(output, surf);
1035                 return;
1036         }
1037
1038         ivi_layout_add_to_hidden_layer(surf, output);
1039 }
1040
1041 void
1042 ivi_layout_activate(struct ivi_output *output, const char *app_id)
1043 {
1044         struct ivi_surface *surf;
1045         struct ivi_compositor *ivi = output->ivi;
1046
1047         if (!app_id)
1048                 return;
1049
1050         surf = ivi_find_app(ivi, app_id);
1051         if (!surf)
1052                 return;
1053
1054         ivi_layout_activate_by_surf(output, surf);
1055 }
1056
1057 struct ivi_output *
1058 ivi_layout_get_output_from_surface(struct ivi_surface *surf)
1059 {
1060         struct ivi_output *ivi_output = NULL;
1061
1062         switch (surf->role) {
1063         case IVI_SURFACE_ROLE_DESKTOP:
1064                 if (surf->desktop.pending_output)
1065                         ivi_output = surf->desktop.pending_output;
1066                 else
1067                         ivi_output = surf->desktop.last_output;
1068                 break;
1069         case IVI_SURFACE_ROLE_POPUP:
1070                 ivi_output = surf->popup.output;
1071                 break;
1072         case IVI_SURFACE_ROLE_BACKGROUND:
1073                 ivi_output = surf->bg.output;
1074                 break;
1075         case IVI_SURFACE_ROLE_PANEL:
1076                 ivi_output = surf->panel.output;
1077                 break;
1078         case IVI_SURFACE_ROLE_FULLSCREEN:
1079                 ivi_output = surf->fullscreen.output;
1080                 break;
1081         case IVI_SURFACE_ROLE_SPLIT_H:
1082         case IVI_SURFACE_ROLE_SPLIT_V:
1083                 ivi_output = surf->split.output;
1084                 break;
1085         case IVI_SURFACE_ROLE_REMOTE:
1086                 ivi_output = surf->remote.output;
1087                 break;
1088         case IVI_SURFACE_ROLE_NONE:
1089         default:
1090                 break;
1091         }
1092
1093         return ivi_output;
1094 }
1095
1096 void
1097 ivi_layout_deactivate(struct ivi_compositor *ivi, const char *app_id)
1098 {
1099         struct ivi_surface *surf;
1100         struct ivi_output *ivi_output;
1101         struct ivi_policy *policy = ivi->policy;
1102
1103         if (!app_id)
1104                 return;
1105
1106         surf = ivi_find_app(ivi, app_id);
1107         if (!surf)
1108                 return;
1109
1110         if (policy && policy->api.surface_deactivate &&
1111             !policy->api.surface_deactivate(surf, surf->ivi)) {
1112                 return;
1113         }
1114
1115         ivi_output = ivi_layout_get_output_from_surface(surf);
1116         weston_log("Deactiving %s, role %s\n", app_id,
1117                         ivi_layout_get_surface_role_name(surf));
1118
1119         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
1120                 struct ivi_surface *previous_active;
1121
1122                 previous_active = ivi_output->previous_active;
1123                 if (!previous_active) {
1124                         /* we don't have a previous active it means we should
1125                          * display the bg */
1126                         if (ivi_output->active) {
1127                                 struct weston_view *view;
1128
1129                                 view = ivi_output->active->view;
1130                                 view->is_mapped = false;
1131                                 view->surface->is_mapped = false;
1132
1133                                 weston_layer_entry_remove(&view->layer_link);
1134                                 weston_view_geometry_dirty(view);
1135                                 weston_surface_damage(view->surface);
1136                                 ivi_output->active = NULL;
1137                         }
1138                 } else {
1139                         struct weston_desktop_surface *dsurface;
1140                         const char *previous_active_app_id;
1141
1142                         dsurface = previous_active->dsurface;
1143                         previous_active_app_id =
1144                                 weston_desktop_surface_get_app_id(dsurface);
1145                         ivi_layout_activate(ivi_output, previous_active_app_id);
1146                 }
1147         } else if (surf->role == IVI_SURFACE_ROLE_POPUP) {
1148                 struct weston_view *view  = surf->view;
1149
1150                 weston_view_unmap(view);
1151                 surf->state = HIDDEN;
1152
1153                 weston_layer_entry_remove(&view->layer_link);
1154                 weston_view_geometry_dirty(view);
1155                 weston_surface_damage(view->surface);
1156         }
1157
1158       shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_DEACTIVATED);
1159 }