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
 434                 if (ivi_output->area.width != surf->hidden_layer_output->area.width &&
 435                     ivi_output->area.height != surf->hidden_layer_output->area.height) {
 436                         weston_desktop_surface_set_maximized(dsurf, true);
 437                         weston_desktop_surface_set_size(dsurf,
 438                                                         ivi_output->area.width,
 439                                                         ivi_output->area.height);
 440                 }
 441
 442                 weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 443                                 app_id, ivi_layout_get_surface_role_name(surf),
 444                                 ivi_output->area.width, ivi_output->area.height);
 445
 446                 surf->hidden_layer_output = ivi_output;
 447                 weston_view_set_output(ev, ivi_output->output);
 448                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
 449                 weston_log("Placed app_id %s, type %s in hidden layer on output %s\n",
 450                                 app_id, ivi_layout_get_surface_role_name(surf),
 451                                 ivi_output->output->name);
 452         }
 453
 454         weston_compositor_schedule_repaint(ivi->compositor);
 455 }
 456
 457 void
 458 ivi_layout_remote_committed(struct ivi_surface *surf)
 459 {
 460         struct weston_desktop_surface *dsurf = surf->dsurface;
 461         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 462         struct ivi_policy *policy = surf->ivi->policy;
 463         struct ivi_output *output;
 464         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 465
 466         assert(surf->role == IVI_SURFACE_ROLE_REMOTE);
 467
 468         output = surf->remote.output;
 469
 470         if (policy && policy->api.surface_activate_by_default &&
 471             !policy->api.surface_activate_by_default(surf, surf->ivi))
 472                 return;
 473
 474         /* we can only activate it again by using the protocol, but
 475          * additionally the output is not reset when
 476          * ivi_layout_activate_complete() terminates so we use the
 477          * current active surface to avoid hitting this again and again
 478          * */
 479         if (surf->mapped && output->active == surf)
 480                 return;
 481
 482         if (!surf->ivi->activate_by_default &&
 483             !ivi_surf_in_hidden_layer(surf->ivi, surf)) {
 484                 weston_log("Refusing to activate surface role %d, "
 485                             "app_id %s\n", surf->role, app_id);
 486
 487                 if (!weston_desktop_surface_get_maximized(dsurf) ||
 488                     geom.width != output->area.width ||
 489                     geom.height != output->area.height) {
 490                         ivi_layout_add_to_hidden_layer(surf, output);
 491                 }
 492
 493                 return;
 494         }
 495
 496         if (!weston_desktop_surface_get_maximized(dsurf) ||
 497             geom.width != output->area.width ||
 498             geom.height != output->area.height)
 499                 return;
 500
 501         ivi_layout_activate_complete(output, surf);
 502 }
 503
 504 void
 505 ivi_layout_desktop_committed(struct ivi_surface *surf)
 506 {
 507         struct weston_desktop_surface *dsurf = surf->dsurface;
 508         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 509         struct ivi_policy *policy = surf->ivi->policy;
 510         struct ivi_output *output;
 511         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 512
 513         assert(surf->role == IVI_SURFACE_ROLE_DESKTOP);
 514
 515         /*
 516          * we can't make use here of the ivi_layout_get_output_from_surface()
 517          * due to the fact that we'll always land here when a surface performs
 518          * a commit and pending_output will not bet set. This works in tandem
 519          * with 'mapped' at this point to avoid tripping over
 520          * to a surface that continuously updates its content
 521          */
 522         output = surf->desktop.pending_output;
 523
 524         if (!output) {
 525                 struct ivi_output *r_output;
 526
 527                 if (policy && policy->api.surface_activate_by_default &&
 528                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 529                         return;
 530
 531                 /* we can only activate it again by using the protocol */
 532                 if (surf->mapped)
 533                         return;
 534
 535                 /* check first if there aren't any outputs being set */
 536                 r_output = ivi_layout_find_with_app_id(app_id, surf->ivi);
 537
 538                 if (r_output) {
 539                         struct weston_view *view = r_output->fullscreen_view.fs->view;
 540                         if (view->is_mapped || view->surface->is_mapped)
 541                                 remove_black_curtain(r_output);
 542                 }
 543
 544
 545                 /* try finding an output with a background and use that */
 546                 if (!r_output)
 547                         r_output = ivi_layout_find_bg_output(surf->ivi);
 548
 549                 /* if we couldn't still find an output by this point, there's
 550                  * something wrong so we abort with a protocol error */
 551                 if (!r_output) {
 552                         wl_resource_post_error(surf->ivi->shell_client.resource,
 553                                                AGL_SHELL_ERROR_INVALID_ARGUMENT,
 554                                                "No valid output found to activate surface by default");
 555                         return;
 556                 }
 557
 558                 if (!surf->ivi->activate_by_default) {
 559                         weston_log("Refusing to activate surface role %d, app_id %s\n",
 560                                         surf->role, app_id);
 561
 562                         if (!weston_desktop_surface_get_maximized(dsurf) ||
 563                             geom.width != r_output->area.width ||
 564                             geom.height != r_output->area.height)
 565                                 ivi_layout_add_to_hidden_layer(surf, r_output);
 566
 567                         return;
 568                 }
 569
 570                 /* use the output of the bg to activate the app on start-up by
 571                  * default */
 572                 if (surf->view && r_output) {
 573                         if (app_id && r_output) {
 574                                 weston_log("Surface with app_id %s, role %s activating by default\n",
 575                                         weston_desktop_surface_get_app_id(surf->dsurface),
 576                                         ivi_layout_get_surface_role_name(surf));
 577                                 ivi_layout_activate(r_output, app_id);
 578                         } else if (!app_id) {
 579                                 /*
 580                                  * applications not setting an app_id, or
 581                                  * setting an app_id but at a later point in
 582                                  * time, might fall-back here so give them a
 583                                  * chance to receive the configure event and
 584                                  * act upon it
 585                                  */
 586                                 weston_log("Surface no app_id, role %s activating by default\n",
 587                                         ivi_layout_get_surface_role_name(surf));
 588                                 ivi_layout_activate_by_surf(r_output, surf);
 589                         }
 590                 }
 591
 592                 return;
 593         }
 594
 595         if (!weston_desktop_surface_get_maximized(dsurf) ||
 596             geom.width != output->area.width ||
 597             geom.height != output->area.height)
 598                 return;
 599
 600         ivi_layout_activate_complete(output, surf);
 601 }
 602
 603 void
 604 ivi_layout_fullscreen_committed(struct ivi_surface *surface)
 605 {
 606         struct ivi_compositor *ivi = surface->ivi;
 607         struct ivi_policy *policy = ivi->policy;
 608
 609         struct weston_desktop_surface *dsurface = surface->dsurface;
 610         struct weston_surface *wsurface =
 611                 weston_desktop_surface_get_surface(dsurface);
 612         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 613
 614         struct ivi_output *output = surface->split.output;
 615         struct weston_output *woutput = output->output;
 616         struct ivi_output *bg_output = ivi_layout_find_bg_output(ivi);
 617
 618         struct weston_view *view = surface->view;
 619         struct weston_geometry geom =
 620                 weston_desktop_surface_get_geometry(dsurface);
 621
 622         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 623         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 624
 625         bool is_fullscreen = weston_desktop_surface_get_fullscreen(dsurface);
 626         bool is_dim_same =
 627                 geom.width == bg_output->output->width &&
 628                 geom.height == bg_output->output->height;
 629
 630         if (policy && policy->api.surface_activate_by_default &&
 631             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 632             !surface->mapped)
 633                 return;
 634
 635         assert(surface->role == IVI_SURFACE_ROLE_FULLSCREEN);
 636
 637
 638         if (surface->state == FULLSCREEN && weston_view_is_mapped(view))
 639                 return;
 640
 641         /* if we still get here but we haven't resized so far, send configure
 642          * events to do so */
 643         if (surface->state != RESIZING && (!is_fullscreen || !is_dim_same)) {
 644                 struct ivi_output *bg_output =
 645                         ivi_layout_find_bg_output(surface->ivi);
 646
 647                 weston_log("Placing fullscreen app_id %s, type %s in hidden layer\n",
 648                                 app_id, ivi_layout_get_surface_role_name(surface));
 649                 weston_desktop_surface_set_fullscreen(dsurface, true);
 650                 weston_desktop_surface_set_size(dsurface,
 651                                                 bg_output->output->width,
 652                                                 bg_output->output->height);
 653
 654                 surface->state = RESIZING;
 655                 weston_view_set_output(view, output->output);
 656                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
 657                 return;
 658         }
 659
 660         /* eventually, we would set the surface fullscreen, but the client
 661          * hasn't resized correctly by this point, so terminate connection */
 662         if (surface->state == RESIZING && is_fullscreen && !is_dim_same) {
 663                 struct weston_desktop_client *desktop_client =
 664                         weston_desktop_surface_get_client(dsurface);
 665                 struct wl_client *client =
 666                         weston_desktop_client_get_client(desktop_client);
 667                 wl_client_post_implementation_error(client,
 668                                 "can not display surface due to invalid geometry."
 669                                 " Client should perform a geometry resize!");
 670                 return;
 671         }
 672
 673         /* this implies we resized correctly */
 674         if (!weston_view_is_mapped(view) || surface->state != FULLSCREEN) {
 675                 weston_layer_entry_remove(&view->layer_link);
 676
 677                 weston_view_set_output(view, woutput);
 678                 weston_view_set_position(view, woutput->x, woutput->y);
 679                 weston_layer_entry_insert(&ivi->fullscreen.view_list, &view->layer_link);
 680
 681                 wsurface->is_mapped = true;
 682                 surface->view->is_mapped = true;
 683                 surface->state = FULLSCREEN;
 684
 685                 weston_view_geometry_dirty(view);
 686                 weston_surface_damage(view->surface);
 687
 688                 if (ivi_seat)
 689                         ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 690
 691                 shell_advertise_app_state(ivi, app_id,
 692                                 NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 693
 694                 weston_log("Activation completed for app_id %s, role %s, "
 695                            "output %s\n", app_id,
 696                            ivi_layout_get_surface_role_name(surface),
 697                            output->name);
 698
 699         }
 700 }
 701
 702 void
 703 ivi_layout_desktop_resize(struct ivi_surface *surface,
 704                           struct weston_geometry area)
 705 {
 706         struct weston_desktop_surface *dsurf = surface->dsurface;
 707         struct weston_view *view = surface->view;
 708
 709         int x = area.x;
 710         int y = area.y;
 711         int width = area.width;
 712         int height = area.height;
 713
 714         weston_desktop_surface_set_size(dsurf,
 715                                         width, height);
 716
 717         weston_view_set_position(view, x, y);
 718
 719         weston_view_geometry_dirty(view);
 720         weston_surface_damage(view->surface);
 721 }
 722
 723 void
 724 ivi_layout_split_committed(struct ivi_surface *surface)
 725 {
 726         struct ivi_compositor *ivi = surface->ivi;
 727         struct ivi_policy *policy = ivi->policy;
 728
 729         struct weston_desktop_surface *dsurface = surface->dsurface;
 730         struct weston_surface *wsurface =
 731                 weston_desktop_surface_get_surface(dsurface);
 732         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 733
 734         struct ivi_output *output = surface->split.output;
 735         struct weston_output *woutput = output->output;
 736
 737         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 738         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 739
 740         struct weston_view *view = surface->view;
 741         struct weston_geometry geom;
 742
 743         int x, y;
 744         int width, height;
 745
 746         x = woutput->x;
 747         y = woutput->y;
 748
 749         if (policy && policy->api.surface_activate_by_default &&
 750             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 751             !surface->mapped)
 752                 return;
 753
 754         if (surface->view->is_mapped)
 755                 return;
 756
 757         geom = weston_desktop_surface_get_geometry(dsurface);
 758
 759         assert(surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 760                surface->role == IVI_SURFACE_ROLE_SPLIT_V);
 761
 762         /* save the previous area in order to recover it back when if this kind
 763          * of surface is being destroyed/removed */
 764         output->area_saved = output->area;
 765
 766         switch (surface->role) {
 767         case IVI_SURFACE_ROLE_SPLIT_V:
 768                 geom.width = (output->area.width / 2);
 769
 770                 x += woutput->width - geom.width;
 771                 output->area.width -= geom.width;
 772
 773                 width = woutput->width - x;
 774                 height = output->area.height;
 775                 y = output->area.y;
 776
 777                 break;
 778         case IVI_SURFACE_ROLE_SPLIT_H:
 779                 geom.height = (output->area.height / 2);
 780
 781                 y = output->area.y;
 782                 output->area.y += geom.height;
 783                 output->area.height -= geom.height;
 784
 785                 width = output->area.width;
 786                 height = output->area.height;
 787
 788                 x = output->area.x;
 789
 790                 break;
 791         default:
 792                 assert(!"Invalid split orientation\n");
 793         }
 794
 795         weston_desktop_surface_set_size(dsurface,
 796                                         width, height);
 797
 798         /* resize the active surface first, output->area already contains
 799          * correct area to resize to */
 800         if (output->active)
 801                 ivi_layout_desktop_resize(output->active, output->area);
 802
 803         weston_view_set_output(view, woutput);
 804         weston_view_set_position(view, x, y);
 805         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 806
 807         weston_view_geometry_dirty(view);
 808         weston_surface_damage(view->surface);
 809
 810         if (ivi_seat)
 811                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 812
 813         wsurface->is_mapped = true;
 814         surface->view->is_mapped = true;
 815
 816         shell_advertise_app_state(ivi, app_id,
 817                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 818
 819         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 820                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 821 }
 822
 823 static void
 824 ivi_compute_popup_position(const struct weston_output *output, struct weston_view *view,
 825                            int initial_x, int initial_y, int *new_x, int *new_y)
 826 {
 827         *new_x = output->x + initial_x;
 828         *new_y = output->y + initial_y;
 829 }
 830
 831
 832 bool
 833 ivi_surf_in_hidden_layer(struct ivi_compositor *ivi, struct ivi_surface *surface)
 834 {
 835         struct weston_view *ev;
 836
 837         wl_list_for_each(ev, &ivi->hidden.view_list.link, layer_link.link) {
 838                 if (ev == surface->view)
 839                         return true;
 840         }
 841
 842         wl_list_for_each(ev, &ivi->fullscreen.view_list.link, layer_link.link) {
 843                 if (ev == surface->view)
 844                         return true;
 845         }
 846
 847         return false;
 848 }
 849
 850 void
 851 ivi_layout_popup_committed(struct ivi_surface *surface)
 852 {
 853         struct ivi_compositor *ivi = surface->ivi;
 854         struct ivi_policy *policy = ivi->policy;
 855
 856         struct weston_desktop_surface *dsurface = surface->dsurface;
 857         struct weston_surface *wsurface =
 858                 weston_desktop_surface_get_surface(dsurface);
 859         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 860
 861         int new_x, new_y;
 862
 863         struct ivi_output *output = surface->popup.output;
 864         struct weston_output *woutput = output->output;
 865
 866         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 867         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 868
 869         struct weston_view *view = surface->view;
 870
 871         if (policy && policy->api.surface_activate_by_default &&
 872             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 873             !surface->mapped)
 874                 return;
 875
 876         if (surface->view->is_mapped || surface->state == HIDDEN)
 877                 return;
 878
 879         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 880
 881         /* remove it from hidden layer if present */
 882         if (ivi_surf_in_hidden_layer(ivi, surface))
 883                 weston_layer_entry_remove(&view->layer_link);
 884
 885         weston_view_set_output(view, woutput);
 886
 887         ivi_compute_popup_position(woutput, view,
 888                                    surface->popup.x, surface->popup.y, &new_x, &new_y);
 889         weston_view_set_position(view, new_x, new_y);
 890         weston_view_update_transform(view);
 891
 892         /* only clip the pop-up dialog window if we have a valid
 893          * width and height being passed on. Users might not want to have one
 894          * set-up so only enfore it is really passed on. */
 895         if (surface->popup.bb.width > 0 && surface->popup.bb.height > 0)
 896                 weston_view_set_mask(view, surface->popup.bb.x, surface->popup.bb.y,
 897                                      surface->popup.bb.width, surface->popup.bb.height);
 898
 899         weston_layer_entry_insert(&ivi->popup.view_list, &view->layer_link);
 900
 901         weston_view_geometry_dirty(view);
 902         weston_surface_damage(view->surface);
 903
 904         if (ivi_seat)
 905                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 906
 907         wsurface->is_mapped = true;
 908         surface->view->is_mapped = true;
 909
 910         shell_advertise_app_state(ivi, app_id,
 911                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 912
 913         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 914                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 915 }
 916
 917 static void
 918 ivi_layout_popup_re_add(struct ivi_surface *surface)
 919 {
 920         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 921         struct weston_view *view = surface->view;
 922
 923         if (weston_view_is_mapped(view)) {
 924                 struct weston_desktop_surface *dsurface = surface->dsurface;
 925                 struct weston_surface *wsurface =
 926                         weston_desktop_surface_get_surface(dsurface);
 927
 928                 weston_layer_entry_remove(&view->layer_link);
 929
 930                 wsurface->is_mapped = false;
 931                 view->is_mapped = false;
 932         }
 933
 934         /* reset the activate by default in order to (still) allow the surface
 935          * to be activaved using the request */
 936         if (!surface->mapped)
 937                 surface->mapped = true;
 938
 939         surface->state = NORMAL;
 940         ivi_layout_popup_committed(surface);
 941 }
 942
 943 static bool
 944 ivi_layout_surface_is_split_or_fullscreen(struct ivi_surface *surf)
 945 {
 946         struct ivi_compositor *ivi = surf->ivi;
 947         struct ivi_surface *is;
 948
 949         if (surf->role != IVI_SURFACE_ROLE_SPLIT_H &&
 950             surf->role != IVI_SURFACE_ROLE_SPLIT_V &&
 951             surf->role != IVI_SURFACE_ROLE_FULLSCREEN)
 952                 return false;
 953
 954         /* reset the activate by default in order to (still) allow the surface
 955          * to be activaved using the request */
 956         if (!surf->mapped)
 957                 surf->mapped = true;
 958
 959         wl_list_for_each(is, &ivi->surfaces, link)
 960                 if (is == surf)
 961                         return true;
 962
 963         return false;
 964 }
 965
 966 void
 967 ivi_layout_activate_by_surf(struct ivi_output *output, struct ivi_surface *surf)
 968 {
 969         struct ivi_compositor *ivi = output->ivi;
 970         struct weston_desktop_surface *dsurf;
 971         struct weston_geometry geom;
 972         struct ivi_policy *policy = output->ivi->policy;
 973
 974         dsurf = surf->dsurface;
 975
 976         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 977
 978         if (!surf)
 979                 return;
 980
 981         if (policy && policy->api.surface_activate &&
 982             !policy->api.surface_activate(surf, surf->ivi)) {
 983                 return;
 984         }
 985
 986 #ifdef AGL_COMP_DEBUG
 987         weston_log("Activating app_id %s, type %s, on output %s\n", app_id,
 988                         ivi_layout_get_surface_role_name(surf), output->output->name);
 989 #endif
 990
 991         if (surf->role == IVI_SURFACE_ROLE_POPUP) {
 992                 ivi_layout_popup_re_add(surf);
 993                 return;
 994         }
 995
 996         /* do not 're'-activate surfaces that are split or active */
 997         if (surf == output->active ||
 998             ivi_layout_surface_is_split_or_fullscreen(surf)) {
 999                 weston_log("Application %s is already active on output %s\n",
1000                                 app_id, output->output->name);
1001                 return;
1002         }
1003
1004         if (surf->role == IVI_SURFACE_ROLE_REMOTE) {
1005                 struct ivi_output *remote_output =
1006                         ivi_layout_find_with_app_id(app_id, ivi);
1007
1008                 weston_log("Changed activation for app_id %s, type %s, on output %s\n", app_id,
1009                                 ivi_layout_get_surface_role_name(surf), output->output->name);
1010
1011                 /* if already active on a remote output do not
1012                  * attempt to activate it again */
1013                 if (remote_output && remote_output->active == surf)
1014                         return;
1015         }
1016
1017
1018         geom = weston_desktop_surface_get_geometry(dsurf);
1019
1020         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
1021                 surf->desktop.pending_output = output;
1022         if (weston_desktop_surface_get_maximized(dsurf) &&
1023             geom.width == output->area.width &&
1024             geom.height == output->area.height) {
1025                 ivi_layout_activate_complete(output, surf);
1026                 return;
1027         }
1028
1029         /* the background surface is already "maximized" so we don't need to
1030          * add to the hidden layer */
1031         if (surf->role == IVI_SURFACE_ROLE_BACKGROUND) {
1032                 ivi_layout_activate_complete(output, surf);
1033                 return;
1034         }
1035
1036         ivi_layout_add_to_hidden_layer(surf, output);
1037 }
1038
1039 void
1040 ivi_layout_activate(struct ivi_output *output, const char *app_id)
1041 {
1042         struct ivi_surface *surf;
1043         struct ivi_compositor *ivi = output->ivi;
1044
1045         if (!app_id)
1046                 return;
1047
1048         surf = ivi_find_app(ivi, app_id);
1049         if (!surf)
1050                 return;
1051
1052         ivi_layout_activate_by_surf(output, surf);
1053 }
1054
1055 struct ivi_output *
1056 ivi_layout_get_output_from_surface(struct ivi_surface *surf)
1057 {
1058         struct ivi_output *ivi_output = NULL;
1059
1060         switch (surf->role) {
1061         case IVI_SURFACE_ROLE_DESKTOP:
1062                 if (surf->desktop.pending_output)
1063                         ivi_output = surf->desktop.pending_output;
1064                 else
1065                         ivi_output = surf->desktop.last_output;
1066                 break;
1067         case IVI_SURFACE_ROLE_POPUP:
1068                 ivi_output = surf->popup.output;
1069                 break;
1070         case IVI_SURFACE_ROLE_BACKGROUND:
1071                 ivi_output = surf->bg.output;
1072                 break;
1073         case IVI_SURFACE_ROLE_PANEL:
1074                 ivi_output = surf->panel.output;
1075                 break;
1076         case IVI_SURFACE_ROLE_FULLSCREEN:
1077                 ivi_output = surf->fullscreen.output;
1078                 break;
1079         case IVI_SURFACE_ROLE_SPLIT_H:
1080         case IVI_SURFACE_ROLE_SPLIT_V:
1081                 ivi_output = surf->split.output;
1082                 break;
1083         case IVI_SURFACE_ROLE_REMOTE:
1084                 ivi_output = surf->remote.output;
1085                 break;
1086         case IVI_SURFACE_ROLE_NONE:
1087         default:
1088                 break;
1089         }
1090
1091         return ivi_output;
1092 }
1093
1094 void
1095 ivi_layout_deactivate(struct ivi_compositor *ivi, const char *app_id)
1096 {
1097         struct ivi_surface *surf;
1098         struct ivi_output *ivi_output;
1099         struct ivi_policy *policy = ivi->policy;
1100
1101         if (!app_id)
1102                 return;
1103
1104         surf = ivi_find_app(ivi, app_id);
1105         if (!surf)
1106                 return;
1107
1108         if (policy && policy->api.surface_deactivate &&
1109             !policy->api.surface_deactivate(surf, surf->ivi)) {
1110                 return;
1111         }
1112
1113         ivi_output = ivi_layout_get_output_from_surface(surf);
1114         weston_log("Deactiving %s, role %s\n", app_id,
1115                         ivi_layout_get_surface_role_name(surf));
1116
1117         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
1118                 struct ivi_surface *previous_active;
1119
1120                 previous_active = ivi_output->previous_active;
1121                 if (!previous_active) {
1122                         /* we don't have a previous active it means we should
1123                          * display the bg */
1124                         if (ivi_output->active) {
1125                                 struct weston_view *view;
1126
1127                                 view = ivi_output->active->view;
1128                                 view->is_mapped = false;
1129                                 view->surface->is_mapped = false;
1130
1131                                 weston_layer_entry_remove(&view->layer_link);
1132                                 weston_view_geometry_dirty(view);
1133                                 weston_surface_damage(view->surface);
1134                                 ivi_output->active = NULL;
1135                         }
1136                 } else {
1137                         struct weston_desktop_surface *dsurface;
1138                         const char *previous_active_app_id;
1139
1140                         dsurface = previous_active->dsurface;
1141                         previous_active_app_id =
1142                                 weston_desktop_surface_get_app_id(dsurface);
1143                         ivi_layout_activate(ivi_output, previous_active_app_id);
1144                 }
1145         } else if (surf->role == IVI_SURFACE_ROLE_POPUP) {
1146                 struct weston_view *view  = surf->view;
1147
1148                 weston_view_unmap(view);
1149                 surf->state = HIDDEN;
1150
1151                 weston_layer_entry_remove(&view->layer_link);
1152                 weston_view_geometry_dirty(view);
1153                 weston_surface_damage(view->surface);
1154         }
1155
1156       shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_DEACTIVATED);
1157 }