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                                 if (surf->xwayland.is_set) {
 591                                         ivi_layout_activate_by_surf(r_output, surf);
 592                                         ivi_layout_activate_complete(r_output, surf);
 593                                 } else {
 594                                         ivi_layout_activate_by_surf(r_output, surf);
 595                                 }
 596                         }
 597                 }
 598
 599                 return;
 600         }
 601
 602         if (!weston_desktop_surface_get_maximized(dsurf) ||
 603             geom.width != output->area.width ||
 604             geom.height != output->area.height)
 605                 return;
 606
 607         ivi_layout_activate_complete(output, surf);
 608 }
 609
 610 void
 611 ivi_layout_fullscreen_committed(struct ivi_surface *surface)
 612 {
 613         struct ivi_compositor *ivi = surface->ivi;
 614         struct ivi_policy *policy = ivi->policy;
 615
 616         struct weston_desktop_surface *dsurface = surface->dsurface;
 617         struct weston_surface *wsurface =
 618                 weston_desktop_surface_get_surface(dsurface);
 619         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 620
 621         struct ivi_output *output = surface->split.output;
 622         struct weston_output *woutput = output->output;
 623         struct ivi_output *bg_output = ivi_layout_find_bg_output(ivi);
 624
 625         struct weston_view *view = surface->view;
 626         struct weston_geometry geom =
 627                 weston_desktop_surface_get_geometry(dsurface);
 628
 629         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 630         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 631
 632         bool is_fullscreen = weston_desktop_surface_get_fullscreen(dsurface);
 633         bool is_dim_same =
 634                 geom.width == bg_output->output->width &&
 635                 geom.height == bg_output->output->height;
 636
 637         if (policy && policy->api.surface_activate_by_default &&
 638             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 639             !surface->mapped)
 640                 return;
 641
 642         assert(surface->role == IVI_SURFACE_ROLE_FULLSCREEN);
 643
 644
 645         if (surface->state == FULLSCREEN && weston_view_is_mapped(view))
 646                 return;
 647
 648         /* if we still get here but we haven't resized so far, send configure
 649          * events to do so */
 650         if (surface->state != RESIZING && (!is_fullscreen || !is_dim_same)) {
 651                 struct ivi_output *bg_output =
 652                         ivi_layout_find_bg_output(surface->ivi);
 653
 654                 weston_log("Placing fullscreen app_id %s, type %s in hidden layer\n",
 655                                 app_id, ivi_layout_get_surface_role_name(surface));
 656                 weston_desktop_surface_set_fullscreen(dsurface, true);
 657                 weston_desktop_surface_set_size(dsurface,
 658                                                 bg_output->output->width,
 659                                                 bg_output->output->height);
 660
 661                 surface->state = RESIZING;
 662                 weston_view_set_output(view, output->output);
 663                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
 664                 return;
 665         }
 666
 667         /* eventually, we would set the surface fullscreen, but the client
 668          * hasn't resized correctly by this point, so terminate connection */
 669         if (surface->state == RESIZING && is_fullscreen && !is_dim_same) {
 670                 struct weston_desktop_client *desktop_client =
 671                         weston_desktop_surface_get_client(dsurface);
 672                 struct wl_client *client =
 673                         weston_desktop_client_get_client(desktop_client);
 674                 wl_client_post_implementation_error(client,
 675                                 "can not display surface due to invalid geometry."
 676                                 " Client should perform a geometry resize!");
 677                 return;
 678         }
 679
 680         /* this implies we resized correctly */
 681         if (!weston_view_is_mapped(view) || surface->state != FULLSCREEN) {
 682                 weston_layer_entry_remove(&view->layer_link);
 683
 684                 weston_view_set_output(view, woutput);
 685                 weston_view_set_position(view, woutput->x, woutput->y);
 686                 weston_layer_entry_insert(&ivi->fullscreen.view_list, &view->layer_link);
 687
 688                 wsurface->is_mapped = true;
 689                 surface->view->is_mapped = true;
 690                 surface->state = FULLSCREEN;
 691
 692                 weston_view_geometry_dirty(view);
 693                 weston_surface_damage(view->surface);
 694
 695                 if (ivi_seat)
 696                         ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 697
 698                 shell_advertise_app_state(ivi, app_id,
 699                                 NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 700
 701                 weston_log("Activation completed for app_id %s, role %s, "
 702                            "output %s\n", app_id,
 703                            ivi_layout_get_surface_role_name(surface),
 704                            output->name);
 705
 706         }
 707 }
 708
 709 void
 710 ivi_layout_desktop_resize(struct ivi_surface *surface,
 711                           struct weston_geometry area)
 712 {
 713         struct weston_desktop_surface *dsurf = surface->dsurface;
 714         struct weston_view *view = surface->view;
 715
 716         int x = area.x;
 717         int y = area.y;
 718         int width = area.width;
 719         int height = area.height;
 720
 721         weston_desktop_surface_set_size(dsurf,
 722                                         width, height);
 723
 724         weston_view_set_position(view, x, y);
 725
 726         weston_view_geometry_dirty(view);
 727         weston_surface_damage(view->surface);
 728 }
 729
 730 void
 731 ivi_layout_split_committed(struct ivi_surface *surface)
 732 {
 733         struct ivi_compositor *ivi = surface->ivi;
 734         struct ivi_policy *policy = ivi->policy;
 735
 736         struct weston_desktop_surface *dsurface = surface->dsurface;
 737         struct weston_surface *wsurface =
 738                 weston_desktop_surface_get_surface(dsurface);
 739         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 740
 741         struct ivi_output *output = surface->split.output;
 742         struct weston_output *woutput = output->output;
 743
 744         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 745         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 746
 747         struct weston_view *view = surface->view;
 748         struct weston_geometry geom;
 749
 750         int x, y;
 751         int width, height;
 752
 753         x = woutput->x;
 754         y = woutput->y;
 755
 756         if (policy && policy->api.surface_activate_by_default &&
 757             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 758             !surface->mapped)
 759                 return;
 760
 761         if (surface->view->is_mapped)
 762                 return;
 763
 764         geom = weston_desktop_surface_get_geometry(dsurface);
 765
 766         assert(surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 767                surface->role == IVI_SURFACE_ROLE_SPLIT_V);
 768
 769         /* save the previous area in order to recover it back when if this kind
 770          * of surface is being destroyed/removed */
 771         output->area_saved = output->area;
 772
 773         switch (surface->role) {
 774         case IVI_SURFACE_ROLE_SPLIT_V:
 775                 geom.width = (output->area.width / 2);
 776
 777                 x += woutput->width - geom.width;
 778                 output->area.width -= geom.width;
 779
 780                 width = woutput->width - x;
 781                 height = output->area.height;
 782                 y = output->area.y;
 783
 784                 break;
 785         case IVI_SURFACE_ROLE_SPLIT_H:
 786                 geom.height = (output->area.height / 2);
 787
 788                 y = output->area.y;
 789                 output->area.y += geom.height;
 790                 output->area.height -= geom.height;
 791
 792                 width = output->area.width;
 793                 height = output->area.height;
 794
 795                 x = output->area.x;
 796
 797                 break;
 798         default:
 799                 assert(!"Invalid split orientation\n");
 800         }
 801
 802         weston_desktop_surface_set_size(dsurface,
 803                                         width, height);
 804
 805         /* resize the active surface first, output->area already contains
 806          * correct area to resize to */
 807         if (output->active)
 808                 ivi_layout_desktop_resize(output->active, output->area);
 809
 810         weston_view_set_output(view, woutput);
 811         weston_view_set_position(view, x, y);
 812         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 813
 814         weston_view_geometry_dirty(view);
 815         weston_surface_damage(view->surface);
 816
 817         if (ivi_seat)
 818                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 819
 820         wsurface->is_mapped = true;
 821         surface->view->is_mapped = true;
 822
 823         shell_advertise_app_state(ivi, app_id,
 824                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 825
 826         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 827                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 828 }
 829
 830 static void
 831 ivi_compute_popup_position(const struct weston_output *output, struct weston_view *view,
 832                            int initial_x, int initial_y, int *new_x, int *new_y)
 833 {
 834         *new_x = output->x + initial_x;
 835         *new_y = output->y + initial_y;
 836 }
 837
 838
 839 bool
 840 ivi_surf_in_hidden_layer(struct ivi_compositor *ivi, struct ivi_surface *surface)
 841 {
 842         struct weston_view *ev;
 843
 844         wl_list_for_each(ev, &ivi->hidden.view_list.link, layer_link.link) {
 845                 if (ev == surface->view)
 846                         return true;
 847         }
 848
 849         wl_list_for_each(ev, &ivi->fullscreen.view_list.link, layer_link.link) {
 850                 if (ev == surface->view)
 851                         return true;
 852         }
 853
 854         return false;
 855 }
 856
 857 void
 858 ivi_layout_popup_committed(struct ivi_surface *surface)
 859 {
 860         struct ivi_compositor *ivi = surface->ivi;
 861         struct ivi_policy *policy = ivi->policy;
 862
 863         struct weston_desktop_surface *dsurface = surface->dsurface;
 864         struct weston_surface *wsurface =
 865                 weston_desktop_surface_get_surface(dsurface);
 866         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 867
 868         int new_x, new_y;
 869
 870         struct ivi_output *output = surface->popup.output;
 871         struct weston_output *woutput = output->output;
 872
 873         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 874         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 875
 876         struct weston_view *view = surface->view;
 877
 878         if (policy && policy->api.surface_activate_by_default &&
 879             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 880             !surface->mapped)
 881                 return;
 882
 883         if (surface->view->is_mapped || surface->state == HIDDEN)
 884                 return;
 885
 886         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 887
 888         /* remove it from hidden layer if present */
 889         if (ivi_surf_in_hidden_layer(ivi, surface))
 890                 weston_layer_entry_remove(&view->layer_link);
 891
 892         weston_view_set_output(view, woutput);
 893
 894         ivi_compute_popup_position(woutput, view,
 895                                    surface->popup.x, surface->popup.y, &new_x, &new_y);
 896         weston_view_set_position(view, new_x, new_y);
 897         weston_view_update_transform(view);
 898
 899         /* only clip the pop-up dialog window if we have a valid
 900          * width and height being passed on. Users might not want to have one
 901          * set-up so only enfore it is really passed on. */
 902         if (surface->popup.bb.width > 0 && surface->popup.bb.height > 0)
 903                 weston_view_set_mask(view, surface->popup.bb.x, surface->popup.bb.y,
 904                                      surface->popup.bb.width, surface->popup.bb.height);
 905
 906         weston_layer_entry_insert(&ivi->popup.view_list, &view->layer_link);
 907
 908         weston_view_geometry_dirty(view);
 909         weston_surface_damage(view->surface);
 910
 911         if (ivi_seat)
 912                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 913
 914         wsurface->is_mapped = true;
 915         surface->view->is_mapped = true;
 916
 917         shell_advertise_app_state(ivi, app_id,
 918                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 919
 920         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 921                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 922 }
 923
 924 static void
 925 ivi_layout_popup_re_add(struct ivi_surface *surface)
 926 {
 927         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 928         struct weston_view *view = surface->view;
 929
 930         if (weston_view_is_mapped(view)) {
 931                 struct weston_desktop_surface *dsurface = surface->dsurface;
 932                 struct weston_surface *wsurface =
 933                         weston_desktop_surface_get_surface(dsurface);
 934
 935                 weston_layer_entry_remove(&view->layer_link);
 936
 937                 wsurface->is_mapped = false;
 938                 view->is_mapped = false;
 939         }
 940
 941         /* reset the activate by default in order to (still) allow the surface
 942          * to be activaved using the request */
 943         if (!surface->mapped)
 944                 surface->mapped = true;
 945
 946         surface->state = NORMAL;
 947         ivi_layout_popup_committed(surface);
 948 }
 949
 950 static bool
 951 ivi_layout_surface_is_split_or_fullscreen(struct ivi_surface *surf)
 952 {
 953         struct ivi_compositor *ivi = surf->ivi;
 954         struct ivi_surface *is;
 955
 956         if (surf->role != IVI_SURFACE_ROLE_SPLIT_H &&
 957             surf->role != IVI_SURFACE_ROLE_SPLIT_V &&
 958             surf->role != IVI_SURFACE_ROLE_FULLSCREEN)
 959                 return false;
 960
 961         /* reset the activate by default in order to (still) allow the surface
 962          * to be activaved using the request */
 963         if (!surf->mapped)
 964                 surf->mapped = true;
 965
 966         wl_list_for_each(is, &ivi->surfaces, link)
 967                 if (is == surf)
 968                         return true;
 969
 970         return false;
 971 }
 972
 973 void
 974 ivi_layout_activate_by_surf(struct ivi_output *output, struct ivi_surface *surf)
 975 {
 976         struct ivi_compositor *ivi = output->ivi;
 977         struct weston_desktop_surface *dsurf;
 978         struct weston_geometry geom;
 979         struct ivi_policy *policy = output->ivi->policy;
 980
 981         dsurf = surf->dsurface;
 982
 983         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 984
 985         if (!surf)
 986                 return;
 987
 988         if (policy && policy->api.surface_activate &&
 989             !policy->api.surface_activate(surf, surf->ivi)) {
 990                 return;
 991         }
 992
 993 #ifdef AGL_COMP_DEBUG
 994         weston_log("Activating app_id %s, type %s, on output %s\n", app_id,
 995                         ivi_layout_get_surface_role_name(surf), output->output->name);
 996 #endif
 997
 998         if (surf->role == IVI_SURFACE_ROLE_POPUP) {
 999                 ivi_layout_popup_re_add(surf);
1000                 return;
1001         }
1002
1003         /* do not 're'-activate surfaces that are split or active */
1004         if (surf == output->active ||
1005             ivi_layout_surface_is_split_or_fullscreen(surf)) {
1006                 weston_log("Application %s is already active on output %s\n",
1007                                 app_id, output->output->name);
1008                 return;
1009         }
1010
1011         if (surf->role == IVI_SURFACE_ROLE_REMOTE) {
1012                 struct ivi_output *remote_output =
1013                         ivi_layout_find_with_app_id(app_id, ivi);
1014
1015                 weston_log("Changed activation for app_id %s, type %s, on output %s\n", app_id,
1016                                 ivi_layout_get_surface_role_name(surf), output->output->name);
1017
1018                 /* if already active on a remote output do not
1019                  * attempt to activate it again */
1020                 if (remote_output && remote_output->active == surf)
1021                         return;
1022         }
1023
1024
1025         geom = weston_desktop_surface_get_geometry(dsurf);
1026
1027         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
1028                 surf->desktop.pending_output = output;
1029         if (weston_desktop_surface_get_maximized(dsurf) &&
1030             geom.width == output->area.width &&
1031             geom.height == output->area.height) {
1032                 ivi_layout_activate_complete(output, surf);
1033                 return;
1034         }
1035
1036         /* the background surface is already "maximized" so we don't need to
1037          * add to the hidden layer */
1038         if (surf->role == IVI_SURFACE_ROLE_BACKGROUND) {
1039                 ivi_layout_activate_complete(output, surf);
1040                 return;
1041         }
1042
1043         ivi_layout_add_to_hidden_layer(surf, output);
1044 }
1045
1046 void
1047 ivi_layout_activate(struct ivi_output *output, const char *app_id)
1048 {
1049         struct ivi_surface *surf;
1050         struct ivi_compositor *ivi = output->ivi;
1051
1052         if (!app_id)
1053                 return;
1054
1055         surf = ivi_find_app(ivi, app_id);
1056         if (!surf)
1057                 return;
1058
1059         ivi_layout_activate_by_surf(output, surf);
1060 }
1061
1062 struct ivi_output *
1063 ivi_layout_get_output_from_surface(struct ivi_surface *surf)
1064 {
1065         struct ivi_output *ivi_output = NULL;
1066
1067         switch (surf->role) {
1068         case IVI_SURFACE_ROLE_DESKTOP:
1069                 if (surf->desktop.pending_output)
1070                         ivi_output = surf->desktop.pending_output;
1071                 else
1072                         ivi_output = surf->desktop.last_output;
1073                 break;
1074         case IVI_SURFACE_ROLE_POPUP:
1075                 ivi_output = surf->popup.output;
1076                 break;
1077         case IVI_SURFACE_ROLE_BACKGROUND:
1078                 ivi_output = surf->bg.output;
1079                 break;
1080         case IVI_SURFACE_ROLE_PANEL:
1081                 ivi_output = surf->panel.output;
1082                 break;
1083         case IVI_SURFACE_ROLE_FULLSCREEN:
1084                 ivi_output = surf->fullscreen.output;
1085                 break;
1086         case IVI_SURFACE_ROLE_SPLIT_H:
1087         case IVI_SURFACE_ROLE_SPLIT_V:
1088                 ivi_output = surf->split.output;
1089                 break;
1090         case IVI_SURFACE_ROLE_REMOTE:
1091                 ivi_output = surf->remote.output;
1092                 break;
1093         case IVI_SURFACE_ROLE_NONE:
1094         default:
1095                 break;
1096         }
1097
1098         return ivi_output;
1099 }
1100
1101 void
1102 ivi_layout_deactivate(struct ivi_compositor *ivi, const char *app_id)
1103 {
1104         struct ivi_surface *surf;
1105         struct ivi_output *ivi_output;
1106         struct ivi_policy *policy = ivi->policy;
1107
1108         if (!app_id)
1109                 return;
1110
1111         surf = ivi_find_app(ivi, app_id);
1112         if (!surf)
1113                 return;
1114
1115         if (policy && policy->api.surface_deactivate &&
1116             !policy->api.surface_deactivate(surf, surf->ivi)) {
1117                 return;
1118         }
1119
1120         ivi_output = ivi_layout_get_output_from_surface(surf);
1121         weston_log("Deactiving %s, role %s\n", app_id,
1122                         ivi_layout_get_surface_role_name(surf));
1123
1124         if (surf->role == IVI_SURFACE_ROLE_DESKTOP ||
1125             surf->role == IVI_SURFACE_ROLE_REMOTE) {
1126                 struct ivi_surface *previous_active;
1127
1128                 previous_active = ivi_output->previous_active;
1129                 if (!previous_active) {
1130                         /* we don't have a previous active it means we should
1131                          * display the bg */
1132                         if (ivi_output->active) {
1133                                 struct weston_view *view;
1134
1135                                 view = ivi_output->active->view;
1136                                 view->is_mapped = false;
1137                                 view->surface->is_mapped = false;
1138
1139                                 weston_layer_entry_remove(&view->layer_link);
1140                                 weston_view_geometry_dirty(view);
1141                                 weston_surface_damage(view->surface);
1142                                 ivi_output->active = NULL;
1143                         }
1144                 } else {
1145                         struct weston_desktop_surface *dsurface;
1146                         const char *previous_active_app_id;
1147
1148                         dsurface = previous_active->dsurface;
1149                         previous_active_app_id =
1150                                 weston_desktop_surface_get_app_id(dsurface);
1151                         ivi_layout_activate(ivi_output, previous_active_app_id);
1152                 }
1153         } else if (surf->role == IVI_SURFACE_ROLE_POPUP) {
1154                 struct weston_view *view  = surf->view;
1155
1156                 weston_view_unmap(view);
1157                 surf->state = HIDDEN;
1158
1159                 weston_layer_entry_remove(&view->layer_link);
1160                 weston_view_geometry_dirty(view);
1161                 weston_surface_damage(view->surface);
1162         }
1163
1164       shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_DEACTIVATED);
1165 }