src/layout.c

   1 /*
   2  * Copyright © 2019 Collabora, Ltd.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining
   5  * a copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sublicense, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial
  14  * portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  20  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #include "ivi-compositor.h"
  27 #include "policy.h"
  28 #include "shared/helpers.h"
  29
  30 #include <assert.h>
  31 #include <string.h>
  32
  33 #include <libweston/libweston.h>
  34 #include <libweston-desktop/libweston-desktop.h>
  35
  36 #include "agl-shell-desktop-server-protocol.h"
  37
  38 #define AGL_COMP_DEBUG
  39
  40 static const char *ivi_roles_as_string[] = {
  41         [IVI_SURFACE_ROLE_NONE]         = "NONE",
  42         [IVI_SURFACE_ROLE_BACKGROUND]   = "BACKGROUND",
  43         [IVI_SURFACE_ROLE_PANEL]        = "PANEL",
  44         [IVI_SURFACE_ROLE_DESKTOP]      = "DESKTOP",
  45         [IVI_SURFACE_ROLE_POPUP]        = "POPUP",
  46         [IVI_SURFACE_ROLE_SPLIT_H]      = "SPLIT_H",
  47         [IVI_SURFACE_ROLE_SPLIT_V]      = "SPLIT_V",
  48         [IVI_SURFACE_ROLE_FULLSCREEN]   = "FULLSCREEN",
  49         [IVI_SURFACE_ROLE_REMOTE]       = "REMOTE",
  50 };
  51
  52 const char *
  53 ivi_layout_get_surface_role_name(struct ivi_surface *surf)
  54 {
  55         if (surf->role < 0 || surf->role >= ARRAY_LENGTH(ivi_roles_as_string))
  56                 return " unknown surface role";
  57
  58         return ivi_roles_as_string[surf->role];
  59 }
  60
  61 static void
  62 ivi_background_init(struct ivi_compositor *ivi, struct ivi_output *output)
  63 {
  64         struct weston_output *woutput = output->output;
  65         struct ivi_surface *bg = output->background;
  66         struct weston_view *view;
  67
  68         if (!bg) {
  69                 weston_log("WARNING: Output does not have a background\n");
  70                 return;
  71         }
  72
  73         assert(bg->role == IVI_SURFACE_ROLE_BACKGROUND);
  74
  75         view = bg->view;
  76
  77         weston_view_set_output(view, woutput);
  78         weston_view_set_position(view, woutput->x, woutput->y);
  79
  80         weston_log("(background) position view %p, x %d, y %d, on output %s\n", view,
  81                         woutput->x, woutput->y, output->name);
  82
  83         view->is_mapped = true;
  84         view->surface->is_mapped = true;
  85
  86         weston_layer_entry_insert(&ivi->background.view_list, &view->layer_link);
  87 }
  88
  89 static void
  90 ivi_panel_init(struct ivi_compositor *ivi, struct ivi_output *output,
  91                struct ivi_surface *panel)
  92 {
  93         struct weston_output *woutput = output->output;
  94         struct weston_desktop_surface *dsurface;
  95         struct weston_view *view;
  96         struct weston_geometry geom;
  97         int x = woutput->x;
  98         int y = woutput->y;
  99
 100         if (!panel)
 101                 return;
 102
 103         assert(panel->role == IVI_SURFACE_ROLE_PANEL);
 104         dsurface = panel->dsurface;
 105         view = panel->view;
 106         geom = weston_desktop_surface_get_geometry(dsurface);
 107
 108         weston_log("(panel) geom.width %d, geom.height %d, geom.x %d, geom.y %d\n",
 109                         geom.width, geom.height, geom.x, geom.y);
 110
 111         switch (panel->panel.edge) {
 112         case AGL_SHELL_EDGE_TOP:
 113                 output->area.y += geom.height;
 114                 output->area.height -= geom.height;
 115                 break;
 116         case AGL_SHELL_EDGE_BOTTOM:
 117                 y += woutput->height - geom.height;
 118                 output->area.height -= geom.height;
 119                 break;
 120         case AGL_SHELL_EDGE_LEFT:
 121                 output->area.x += geom.width;
 122                 output->area.width -= geom.width;
 123                 break;
 124         case AGL_SHELL_EDGE_RIGHT:
 125                 x += woutput->width - geom.width;
 126                 output->area.width -= geom.width;
 127                 break;
 128         }
 129
 130         x -= geom.x;
 131         y -= geom.y;
 132
 133         weston_view_set_output(view, woutput);
 134         weston_view_set_position(view, x, y);
 135
 136         weston_log("(panel) edge %d position view %p, x %d, y %d\n",
 137                         panel->panel.edge, view, x, y);
 138
 139         view->is_mapped = true;
 140         view->surface->is_mapped = true;
 141
 142         weston_log("panel type %d inited on output %s\n", panel->panel.edge,
 143                         output->name);
 144
 145         weston_layer_entry_insert(&ivi->panel.view_list, &view->layer_link);
 146 }
 147
 148 /*
 149  * Initializes all static parts of the layout, i.e. the background and panels.
 150  */
 151 void
 152 ivi_layout_init(struct ivi_compositor *ivi, struct ivi_output *output)
 153 {
 154         bool use_default_area = true;
 155
 156         ivi_background_init(ivi, output);
 157
 158         if (output->area_activation.width ||
 159             output->area_activation.height ||
 160             output->area_activation.x ||
 161             output->area_activation.y) {
 162                 /* Sanity check target area is within output bounds */
 163                 if ((output->area_activation.x + output->area_activation.width) < output->output->width ||
 164                     (output->area_activation.y + output->area_activation.height) < output->output->height) {
 165                         weston_log("Using specified area for output %s, ignoring panels\n",
 166                                    output->name);
 167                         output->area.x = output->area_activation.x;
 168                         output->area.y = output->area_activation.y;
 169                         output->area.width = output->area_activation.width;
 170                         output->area.height = output->area_activation.height;
 171                         use_default_area = false;
 172                 } else {
 173                         weston_log("Invalid activation-area position for output %s, ignoring\n",
 174                                    output->name);
 175                 }
 176         }
 177         if (use_default_area) {
 178                 output->area.x = 0;
 179                 output->area.y = 0;
 180                 output->area.width = output->output->width;
 181                 output->area.height = output->output->height;
 182
 183                 ivi_panel_init(ivi, output, output->top);
 184                 ivi_panel_init(ivi, output, output->bottom);
 185                 ivi_panel_init(ivi, output, output->left);
 186                 ivi_panel_init(ivi, output, output->right);
 187         }
 188
 189         weston_compositor_schedule_repaint(ivi->compositor);
 190
 191         weston_log("Usable area: %dx%d+%d,%d\n",
 192                    output->area.width, output->area.height,
 193                    output->area.x, output->area.y);
 194 }
 195
 196 struct ivi_surface *
 197 ivi_find_app(struct ivi_compositor *ivi, const char *app_id)
 198 {
 199         struct ivi_surface *surf;
 200         const char *id;
 201
 202         wl_list_for_each(surf, &ivi->surfaces, link) {
 203                 id = weston_desktop_surface_get_app_id(surf->dsurface);
 204                 if (id && strcmp(app_id, id) == 0)
 205                         return surf;
 206         }
 207
 208         return NULL;
 209 }
 210
 211 static void
 212 ivi_layout_activate_complete(struct ivi_output *output,
 213                              struct ivi_surface *surf)
 214 {
 215         struct ivi_compositor *ivi = output->ivi;
 216         struct weston_output *woutput = output->output;
 217         struct weston_view *view = surf->view;
 218         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 219         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 220         const char *app_id = weston_desktop_surface_get_app_id(surf->dsurface);
 221
 222         if (weston_view_is_mapped(view)) {
 223                 weston_layer_entry_remove(&view->layer_link);
 224         } else {
 225                 weston_view_update_transform(view);
 226         }
 227
 228         if (output_has_black_curtain(output)) {
 229                 if (!output->background) {
 230                         weston_log("Found that we have no background surface "
 231                                     "for output %s. Using black curtain as background\n",
 232                                     output->output->name);
 233
 234                         struct weston_view *ev =
 235                                 output->fullscreen_view.fs->view;
 236
 237                         /* use the black curtain as background when we have
 238                          * none added by the shell client. */
 239                         weston_layer_entry_remove(&ev->layer_link);
 240                         weston_layer_entry_insert(&ivi->normal.view_list,
 241                                                   &ev->layer_link);
 242                         weston_view_geometry_dirty(ev);
 243                         weston_surface_damage(ev->surface);
 244                 } else {
 245                         remove_black_curtain(output);
 246                 }
 247         }
 248
 249
 250         weston_view_set_output(view, woutput);
 251
 252         if (surf->role != IVI_SURFACE_ROLE_BACKGROUND)
 253                 weston_view_set_position(view,
 254                                          woutput->x + output->area.x,
 255                                          woutput->y + output->area.y);
 256
 257         view->is_mapped = true;
 258         surf->mapped = true;
 259         view->surface->is_mapped = true;
 260
 261         /* handle a movement from one output to another */
 262         if (surf->current_completed_output &&
 263             surf->current_completed_output != output) {
 264
 265                 /* we're migrating the same surface but to another output */
 266                 if (surf->current_completed_output->active == surf) {
 267                         struct weston_view *ev =
 268                                 surf->current_completed_output->active->view;
 269
 270                         weston_layer_entry_remove(&ev->layer_link);
 271                         surf->current_completed_output->previous_active =
 272                                 surf->current_completed_output->active;
 273                         surf->current_completed_output->active = NULL;
 274
 275                         /* damage all possible outputs to avoid stale views */
 276                         weston_compositor_damage_all(ivi->compositor);
 277                 }
 278         }
 279
 280         if (output->active) {
 281                 /* keep the background surface mapped at all times */
 282                 if (output->active->role != IVI_SURFACE_ROLE_BACKGROUND) {
 283                         output->active->view->is_mapped = false;
 284                         output->active->view->surface->is_mapped = false;
 285
 286                         weston_layer_entry_remove(&output->active->view->layer_link);
 287                 }
 288         }
 289         output->previous_active = output->active;
 290         output->active = surf;
 291         surf->current_completed_output = output;
 292
 293         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 294         weston_view_geometry_dirty(view);
 295         weston_surface_damage(view->surface);
 296
 297         if (ivi_seat)
 298                 ivi_shell_activate_surface(surf, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 299
 300         /*
 301          * the 'remote' role now makes use of this part so make sure we don't
 302          * trip the enum such that we might end up with a modified output for
 303          * 'remote' role
 304          */
 305         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
 306                 if (surf->desktop.pending_output)
 307                         surf->desktop.last_output = surf->desktop.pending_output;
 308                 surf->desktop.pending_output = NULL;
 309         }
 310
 311         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 312                         app_id,
 313                         ivi_layout_get_surface_role_name(surf), output->name);
 314
 315         shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_ACTIVATED);
 316 }
 317
 318 struct ivi_output *
 319 ivi_layout_find_with_app_id(const char *app_id, struct ivi_compositor *ivi)
 320 {
 321         struct ivi_output *out;
 322
 323         if (!app_id)
 324                 return NULL;
 325
 326         wl_list_for_each(out, &ivi->outputs, link) {
 327                 if (!out->app_id)
 328                         continue;
 329
 330                 if (!strcmp(app_id, out->app_id))
 331                         return out;
 332         }
 333
 334         return NULL;
 335 }
 336
 337 struct ivi_output *
 338 ivi_layout_find_bg_output(struct ivi_compositor *ivi)
 339 {
 340         struct ivi_output *out;
 341
 342         wl_list_for_each(out, &ivi->outputs, link) {
 343                 if (out->background &&
 344                     out->background->role == IVI_SURFACE_ROLE_BACKGROUND)
 345                         return out;
 346         }
 347
 348         return NULL;
 349 }
 350
 351
 352 static void
 353 ivi_layout_add_to_hidden_layer(struct ivi_surface *surf,
 354                                struct ivi_output *ivi_output)
 355 {
 356         struct weston_desktop_surface *dsurf = surf->dsurface;
 357         struct weston_view *ev = surf->view;
 358         struct ivi_compositor *ivi = surf->ivi;
 359         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 360
 361         /*
 362          * If the view isn't mapped, we put it onto the hidden layer so it will
 363          * start receiving frame events, and will be able to act on our
 364          * configure event.
 365          */
 366         if (!weston_view_is_mapped(ev)) {
 367                 ev->is_mapped = true;
 368                 ev->surface->is_mapped = true;
 369
 370                 weston_desktop_surface_set_maximized(dsurf, true);
 371                 weston_desktop_surface_set_size(dsurf,
 372                                                 ivi_output->area.width,
 373                                                 ivi_output->area.height);
 374
 375                 weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 376                            app_id, ivi_layout_get_surface_role_name(surf),
 377                            ivi_output->area.width, ivi_output->area.height);
 378
 379                 surf->hidden_layer_output = ivi_output;
 380                 weston_view_set_output(ev, ivi_output->output);
 381                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
 382                 weston_log("Placed app_id %s, type %s in hidden layer on output %s\n",
 383                                 app_id, ivi_layout_get_surface_role_name(surf),
 384                                 ivi_output->output->name);
 385
 386                 weston_compositor_schedule_repaint(ivi->compositor);
 387                 return;
 388         }
 389
 390         /* we might have another output to activate */
 391         if (surf->hidden_layer_output &&
 392             surf->hidden_layer_output != ivi_output) {
 393                 weston_layer_entry_remove(&ev->layer_link);
 394
 395                 if (ivi_output->area.width != surf->hidden_layer_output->area.width &&
 396                     ivi_output->area.height != surf->hidden_layer_output->area.height) {
 397                         weston_desktop_surface_set_maximized(dsurf, true);
 398                         weston_desktop_surface_set_size(dsurf,
 399                                                         ivi_output->area.width,
 400                                                         ivi_output->area.height);
 401                 }
 402
 403                 weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 404                                 app_id, ivi_layout_get_surface_role_name(surf),
 405                                 ivi_output->area.width, ivi_output->area.height);
 406
 407                 surf->hidden_layer_output = ivi_output;
 408                 weston_view_set_output(ev, ivi_output->output);
 409                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
 410                 weston_log("Placed app_id %s, type %s in hidden layer on output %s\n",
 411                                 app_id, ivi_layout_get_surface_role_name(surf),
 412                                 ivi_output->output->name);
 413         }
 414
 415         weston_compositor_schedule_repaint(ivi->compositor);
 416 }
 417
 418 void
 419 ivi_layout_desktop_committed(struct ivi_surface *surf)
 420 {
 421         struct weston_desktop_surface *dsurf = surf->dsurface;
 422         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 423         struct ivi_policy *policy = surf->ivi->policy;
 424         struct ivi_output *output;
 425         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 426
 427         assert(surf->role == IVI_SURFACE_ROLE_DESKTOP ||
 428                surf->role == IVI_SURFACE_ROLE_REMOTE);
 429
 430         /*
 431          * we can't make use here of the ivi_layout_get_output_from_surface()
 432          * due to the fact that we'll always land here when a surface performs
 433          * a commit and pending_output will not bet set. This works in tandem
 434          * with 'mapped' at this point to avoid tripping over
 435          * to a surface that continuously updates its content
 436          */
 437         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
 438                 output = surf->desktop.pending_output;
 439         else
 440                 output = surf->remote.output;
 441
 442         if (surf->role == IVI_SURFACE_ROLE_DESKTOP && !output) {
 443                 struct ivi_output *r_output;
 444
 445                 if (policy && policy->api.surface_activate_by_default &&
 446                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 447                         return;
 448
 449                 /* we can only activate it again by using the protocol */
 450                 if (surf->mapped)
 451                         return;
 452
 453                 /* check first if there aren't any outputs being set */
 454                 r_output = ivi_layout_find_with_app_id(app_id, surf->ivi);
 455
 456                 if (r_output) {
 457                         struct weston_view *view = r_output->fullscreen_view.fs->view;
 458                         if (view->is_mapped || view->surface->is_mapped)
 459                                 remove_black_curtain(r_output);
 460                 }
 461
 462
 463                 /* try finding an output with a background and use that */
 464                 if (!r_output)
 465                         r_output = ivi_layout_find_bg_output(surf->ivi);
 466
 467                 /* if we couldn't still find an output by this point, there's
 468                  * something wrong so we abort with a protocol error */
 469                 if (!r_output) {
 470                         wl_resource_post_error(surf->ivi->shell_client.resource,
 471                                                AGL_SHELL_ERROR_INVALID_ARGUMENT,
 472                                                "No valid output found to activate surface by default");
 473                         return;
 474                 }
 475
 476                 if (!surf->ivi->activate_by_default) {
 477                         weston_log("Refusing to activate surface role %d, app_id %s\n",
 478                                         surf->role, app_id);
 479
 480                         if (!weston_desktop_surface_get_maximized(dsurf) ||
 481                             geom.width != r_output->area.width ||
 482                             geom.height != r_output->area.height)
 483                                 ivi_layout_add_to_hidden_layer(surf, r_output);
 484
 485                         return;
 486                 }
 487
 488                 /* use the output of the bg to activate the app on start-up by
 489                  * default */
 490                 if (surf->view && r_output) {
 491                         if (app_id && r_output) {
 492                                 weston_log("Surface with app_id %s, role %s activating by default\n",
 493                                         weston_desktop_surface_get_app_id(surf->dsurface),
 494                                         ivi_layout_get_surface_role_name(surf));
 495                                 ivi_layout_activate(r_output, app_id);
 496                         } else if (!app_id) {
 497                                 /*
 498                                  * applications not setting an app_id, or
 499                                  * setting an app_id but at a later point in
 500                                  * time, might fall-back here so give them a
 501                                  * chance to receive the configure event and
 502                                  * act upon it
 503                                  */
 504                                 weston_log("Surface no app_id, role %s activating by default\n",
 505                                         ivi_layout_get_surface_role_name(surf));
 506                                 ivi_layout_activate_by_surf(r_output, surf);
 507                         }
 508                 }
 509
 510                 return;
 511         }
 512
 513         if (surf->role == IVI_SURFACE_ROLE_REMOTE && output) {
 514                 if (policy && policy->api.surface_activate_by_default &&
 515                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 516                         return;
 517
 518                 /* we can only activate it again by using the protocol, but
 519                  * additionally the output is not reset when
 520                  * ivi_layout_activate_complete() terminates so we use the
 521                  * current active surface to avoid hitting this again and again
 522                  * */
 523                 if (surf->mapped && output->active == surf)
 524                         return;
 525
 526                 if (app_id) {
 527                         weston_log("Surface with app_id %s, role %s activating "
 528                                    "by default on output %s\n",
 529                                    weston_desktop_surface_get_app_id(surf->dsurface),
 530                                    ivi_layout_get_surface_role_name(surf),
 531                                    output->output->name);
 532                         ivi_layout_activate(output, app_id);
 533                 }
 534                 return;
 535         }
 536
 537         if (!weston_desktop_surface_get_maximized(dsurf) ||
 538             geom.width != output->area.width ||
 539             geom.height != output->area.height)
 540                 return;
 541
 542         ivi_layout_activate_complete(output, surf);
 543 }
 544
 545 void
 546 ivi_layout_fullscreen_committed(struct ivi_surface *surface)
 547 {
 548         struct ivi_compositor *ivi = surface->ivi;
 549         struct ivi_policy *policy = ivi->policy;
 550
 551         struct weston_desktop_surface *dsurface = surface->dsurface;
 552         struct weston_surface *wsurface =
 553                 weston_desktop_surface_get_surface(dsurface);
 554         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 555
 556         struct ivi_output *output = surface->split.output;
 557         struct weston_output *woutput = output->output;
 558         struct ivi_output *bg_output = ivi_layout_find_bg_output(ivi);
 559
 560         struct weston_view *view = surface->view;
 561         struct weston_geometry geom =
 562                 weston_desktop_surface_get_geometry(dsurface);
 563
 564         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 565         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 566
 567         bool is_fullscreen = weston_desktop_surface_get_fullscreen(dsurface);
 568         bool is_dim_same =
 569                 geom.width == bg_output->output->width &&
 570                 geom.height == bg_output->output->height;
 571
 572         if (policy && policy->api.surface_activate_by_default &&
 573             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 574             !surface->mapped)
 575                 return;
 576
 577         assert(surface->role == IVI_SURFACE_ROLE_FULLSCREEN);
 578
 579         if (weston_view_is_mapped(view))
 580                 return;
 581
 582         /* if we still get here but we haven't resized so far, send configure
 583          * events to do so */
 584         if (surface->state != RESIZING && (!is_fullscreen || !is_dim_same)) {
 585                 struct ivi_output *bg_output =
 586                         ivi_layout_find_bg_output(surface->ivi);
 587
 588                 weston_log("Placing fullscreen app_id %s, type %s in hidden layer\n",
 589                                 app_id, ivi_layout_get_surface_role_name(surface));
 590                 weston_desktop_surface_set_fullscreen(dsurface, true);
 591                 weston_desktop_surface_set_size(dsurface,
 592                                                 bg_output->output->width,
 593                                                 bg_output->output->height);
 594
 595                 surface->state = RESIZING;
 596                 weston_view_set_output(view, output->output);
 597                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
 598                 return;
 599         }
 600
 601         /* eventually, we would set the surface fullscreen, but the client
 602          * hasn't resized correctly by this point, so terminate connection */
 603         if (surface->state == RESIZING && is_fullscreen && !is_dim_same) {
 604                 struct weston_desktop_client *desktop_client =
 605                         weston_desktop_surface_get_client(dsurface);
 606                 struct wl_client *client =
 607                         weston_desktop_client_get_client(desktop_client);
 608                 wl_client_post_implementation_error(client,
 609                                 "can not display surface due to invalid geometry."
 610                                 " Client should perform a geometry resize!");
 611                 return;
 612         }
 613
 614         /* this implies we resized correctly */
 615         if (!weston_view_is_mapped(view)) {
 616                 weston_layer_entry_remove(&view->layer_link);
 617
 618                 weston_view_set_output(view, woutput);
 619                 weston_view_set_position(view, woutput->x, woutput->y);
 620                 weston_layer_entry_insert(&ivi->fullscreen.view_list, &view->layer_link);
 621
 622                 wsurface->is_mapped = true;
 623                 surface->view->is_mapped = true;
 624                 surface->state = FULLSCREEN;
 625
 626                 weston_view_geometry_dirty(view);
 627                 weston_surface_damage(view->surface);
 628
 629                 if (ivi_seat)
 630                         ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 631
 632                 shell_advertise_app_state(ivi, app_id,
 633                                 NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 634
 635                 weston_log("Activation completed for app_id %s, role %s, "
 636                            "output %s\n", app_id,
 637                            ivi_layout_get_surface_role_name(surface),
 638                            output->name);
 639
 640         }
 641 }
 642
 643 void
 644 ivi_layout_desktop_resize(struct ivi_surface *surface,
 645                           struct weston_geometry area)
 646 {
 647         struct weston_desktop_surface *dsurf = surface->dsurface;
 648         struct weston_view *view = surface->view;
 649
 650         int x = area.x;
 651         int y = area.y;
 652         int width = area.width;
 653         int height = area.height;
 654
 655         weston_desktop_surface_set_size(dsurf,
 656                                         width, height);
 657
 658         weston_view_set_position(view, x, y);
 659
 660         weston_view_geometry_dirty(view);
 661         weston_surface_damage(view->surface);
 662 }
 663
 664 void
 665 ivi_layout_split_committed(struct ivi_surface *surface)
 666 {
 667         struct ivi_compositor *ivi = surface->ivi;
 668         struct ivi_policy *policy = ivi->policy;
 669
 670         struct weston_desktop_surface *dsurface = surface->dsurface;
 671         struct weston_surface *wsurface =
 672                 weston_desktop_surface_get_surface(dsurface);
 673         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 674
 675         struct ivi_output *output = surface->split.output;
 676         struct weston_output *woutput = output->output;
 677
 678         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 679         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 680
 681         struct weston_view *view = surface->view;
 682         struct weston_geometry geom;
 683
 684         int x, y;
 685         int width, height;
 686
 687         x = woutput->x;
 688         y = woutput->y;
 689
 690         if (policy && policy->api.surface_activate_by_default &&
 691             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 692             !surface->mapped)
 693                 return;
 694
 695         if (surface->view->is_mapped)
 696                 return;
 697
 698         geom = weston_desktop_surface_get_geometry(dsurface);
 699
 700         assert(surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 701                surface->role == IVI_SURFACE_ROLE_SPLIT_V);
 702
 703         /* save the previous area in order to recover it back when if this kind
 704          * of surface is being destroyed/removed */
 705         output->area_saved = output->area;
 706
 707         switch (surface->role) {
 708         case IVI_SURFACE_ROLE_SPLIT_V:
 709                 geom.width = (output->area.width / 2);
 710
 711                 x += woutput->width - geom.width;
 712                 output->area.width -= geom.width;
 713
 714                 width = woutput->width - x;
 715                 height = output->area.height;
 716                 y = output->area.y;
 717
 718                 break;
 719         case IVI_SURFACE_ROLE_SPLIT_H:
 720                 geom.height = (output->area.height / 2);
 721
 722                 y = output->area.y;
 723                 output->area.y += geom.height;
 724                 output->area.height -= geom.height;
 725
 726                 width = output->area.width;
 727                 height = output->area.height;
 728
 729                 x = output->area.x;
 730
 731                 break;
 732         default:
 733                 assert(!"Invalid split orientation\n");
 734         }
 735
 736         weston_desktop_surface_set_size(dsurface,
 737                                         width, height);
 738
 739         /* resize the active surface first, output->area already contains
 740          * correct area to resize to */
 741         if (output->active)
 742                 ivi_layout_desktop_resize(output->active, output->area);
 743
 744         weston_view_set_output(view, woutput);
 745         weston_view_set_position(view, x, y);
 746         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 747
 748         weston_view_geometry_dirty(view);
 749         weston_surface_damage(view->surface);
 750
 751         if (ivi_seat)
 752                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 753
 754         wsurface->is_mapped = true;
 755         surface->view->is_mapped = true;
 756
 757         shell_advertise_app_state(ivi, app_id,
 758                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 759
 760         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 761                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 762 }
 763
 764 static void
 765 ivi_compute_popup_position(const struct weston_output *output, struct weston_view *view,
 766                            int initial_x, int initial_y, int *new_x, int *new_y)
 767 {
 768         *new_x = output->x + initial_x;
 769         *new_y = output->y + initial_y;
 770 }
 771
 772
 773 void
 774 ivi_layout_popup_committed(struct ivi_surface *surface)
 775 {
 776         struct ivi_compositor *ivi = surface->ivi;
 777         struct ivi_policy *policy = ivi->policy;
 778
 779         struct weston_desktop_surface *dsurface = surface->dsurface;
 780         struct weston_surface *wsurface =
 781                 weston_desktop_surface_get_surface(dsurface);
 782         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 783
 784         int new_x, new_y;
 785
 786         struct ivi_output *output = surface->popup.output;
 787         struct weston_output *woutput = output->output;
 788
 789         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 790         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 791
 792         struct weston_view *view = surface->view;
 793
 794         if (policy && policy->api.surface_activate_by_default &&
 795             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 796             !surface->mapped)
 797                 return;
 798
 799         if (surface->view->is_mapped || surface->state == HIDDEN)
 800                 return;
 801
 802         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 803
 804         weston_view_set_output(view, woutput);
 805
 806         ivi_compute_popup_position(woutput, view,
 807                                    surface->popup.x, surface->popup.y, &new_x, &new_y);
 808         weston_view_set_position(view, new_x, new_y);
 809         weston_view_update_transform(view);
 810
 811         /* only clip the pop-up dialog window if we have a valid
 812          * width and height being passed on. Users might not want to have one
 813          * set-up so only enfore it is really passed on. */
 814         if (surface->popup.bb.width > 0 && surface->popup.bb.height > 0)
 815                 weston_view_set_mask(view, surface->popup.bb.x, surface->popup.bb.y,
 816                                      surface->popup.bb.width, surface->popup.bb.height);
 817
 818         weston_layer_entry_insert(&ivi->popup.view_list, &view->layer_link);
 819
 820         weston_view_geometry_dirty(view);
 821         weston_surface_damage(view->surface);
 822
 823         if (ivi_seat)
 824                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 825
 826         wsurface->is_mapped = true;
 827         surface->view->is_mapped = true;
 828
 829         shell_advertise_app_state(ivi, app_id,
 830                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 831
 832         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 833                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 834 }
 835
 836 static void
 837 ivi_layout_popup_re_add(struct ivi_surface *surface)
 838 {
 839         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 840         struct weston_view *view = surface->view;
 841
 842         if (weston_view_is_mapped(view)) {
 843                 struct weston_desktop_surface *dsurface = surface->dsurface;
 844                 struct weston_surface *wsurface =
 845                         weston_desktop_surface_get_surface(dsurface);
 846
 847                 weston_layer_entry_remove(&view->layer_link);
 848
 849                 wsurface->is_mapped = false;
 850                 view->is_mapped = false;
 851         }
 852
 853         /* reset the activate by default in order to (still) allow the surface
 854          * to be activaved using the request */
 855         if (!surface->mapped)
 856                 surface->mapped = true;
 857
 858         surface->state = NORMAL;
 859         ivi_layout_popup_committed(surface);
 860 }
 861
 862 static bool
 863 ivi_layout_surface_is_split_or_fullscreen(struct ivi_surface *surf)
 864 {
 865         struct ivi_compositor *ivi = surf->ivi;
 866         struct ivi_surface *is;
 867
 868         if (surf->role != IVI_SURFACE_ROLE_SPLIT_H &&
 869             surf->role != IVI_SURFACE_ROLE_SPLIT_V &&
 870             surf->role != IVI_SURFACE_ROLE_FULLSCREEN)
 871                 return false;
 872
 873         /* reset the activate by default in order to (still) allow the surface
 874          * to be activaved using the request */
 875         if (!surf->mapped)
 876                 surf->mapped = true;
 877
 878         wl_list_for_each(is, &ivi->surfaces, link)
 879                 if (is == surf)
 880                         return true;
 881
 882         return false;
 883 }
 884
 885 void
 886 ivi_layout_activate_by_surf(struct ivi_output *output, struct ivi_surface *surf)
 887 {
 888         struct ivi_compositor *ivi = output->ivi;
 889         struct weston_desktop_surface *dsurf;
 890         struct weston_geometry geom;
 891         struct ivi_policy *policy = output->ivi->policy;
 892
 893         dsurf = surf->dsurface;
 894
 895         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 896
 897         if (!surf)
 898                 return;
 899
 900         if (policy && policy->api.surface_activate &&
 901             !policy->api.surface_activate(surf, surf->ivi)) {
 902                 return;
 903         }
 904
 905 #ifdef AGL_COMP_DEBUG
 906         weston_log("Activating app_id %s, type %s, on output %s\n", app_id,
 907                         ivi_layout_get_surface_role_name(surf), output->output->name);
 908 #endif
 909
 910         if (surf->role == IVI_SURFACE_ROLE_POPUP) {
 911                 ivi_layout_popup_re_add(surf);
 912                 return;
 913         }
 914
 915         /* do not 're'-activate surfaces that are split or active */
 916         if (surf == output->active ||
 917             ivi_layout_surface_is_split_or_fullscreen(surf)) {
 918                 weston_log("Application %s is already active on output %s\n",
 919                                 app_id, output->output->name);
 920                 return;
 921         }
 922
 923         if (surf->role == IVI_SURFACE_ROLE_REMOTE) {
 924                 struct ivi_output *remote_output =
 925                         ivi_layout_find_with_app_id(app_id, ivi);
 926
 927                 /* if already active on a remote output do not
 928                  * attempt to activate it again */
 929                 if (remote_output && remote_output->active == surf)
 930                         return;
 931         }
 932
 933
 934         geom = weston_desktop_surface_get_geometry(dsurf);
 935
 936         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
 937                 surf->desktop.pending_output = output;
 938         if (weston_desktop_surface_get_maximized(dsurf) &&
 939             geom.width == output->area.width &&
 940             geom.height == output->area.height) {
 941                 ivi_layout_activate_complete(output, surf);
 942                 return;
 943         }
 944
 945         /* the background surface is already "maximized" so we don't need to
 946          * add to the hidden layer */
 947         if (surf->role == IVI_SURFACE_ROLE_BACKGROUND) {
 948                 ivi_layout_activate_complete(output, surf);
 949                 return;
 950         }
 951
 952         ivi_layout_add_to_hidden_layer(surf, output);
 953 }
 954
 955 void
 956 ivi_layout_activate(struct ivi_output *output, const char *app_id)
 957 {
 958         struct ivi_surface *surf;
 959         struct ivi_compositor *ivi = output->ivi;
 960
 961         if (!app_id)
 962                 return;
 963
 964         surf = ivi_find_app(ivi, app_id);
 965         if (!surf)
 966                 return;
 967
 968         ivi_layout_activate_by_surf(output, surf);
 969 }
 970
 971 struct ivi_output *
 972 ivi_layout_get_output_from_surface(struct ivi_surface *surf)
 973 {
 974         struct ivi_output *ivi_output = NULL;
 975
 976         switch (surf->role) {
 977         case IVI_SURFACE_ROLE_DESKTOP:
 978                 if (surf->desktop.pending_output)
 979                         ivi_output = surf->desktop.pending_output;
 980                 else
 981                         ivi_output = surf->desktop.last_output;
 982                 break;
 983         case IVI_SURFACE_ROLE_POPUP:
 984                 ivi_output = surf->popup.output;
 985                 break;
 986         case IVI_SURFACE_ROLE_BACKGROUND:
 987                 ivi_output = surf->bg.output;
 988                 break;
 989         case IVI_SURFACE_ROLE_PANEL:
 990                 ivi_output = surf->panel.output;
 991                 break;
 992         case IVI_SURFACE_ROLE_FULLSCREEN:
 993                 ivi_output = surf->fullscreen.output;
 994                 break;
 995         case IVI_SURFACE_ROLE_SPLIT_H:
 996         case IVI_SURFACE_ROLE_SPLIT_V:
 997                 ivi_output = surf->split.output;
 998                 break;
 999         case IVI_SURFACE_ROLE_REMOTE:
1000                 ivi_output = surf->remote.output;
1001                 break;
1002         case IVI_SURFACE_ROLE_NONE:
1003         default:
1004                 break;
1005         }
1006
1007         return ivi_output;
1008 }
1009
1010 void
1011 ivi_layout_deactivate(struct ivi_compositor *ivi, const char *app_id)
1012 {
1013         struct ivi_surface *surf;
1014         struct ivi_output *ivi_output;
1015         struct ivi_policy *policy = ivi->policy;
1016
1017         if (!app_id)
1018                 return;
1019
1020         surf = ivi_find_app(ivi, app_id);
1021         if (!surf)
1022                 return;
1023
1024         if (policy && policy->api.surface_deactivate &&
1025             !policy->api.surface_deactivate(surf, surf->ivi)) {
1026                 return;
1027         }
1028
1029         ivi_output = ivi_layout_get_output_from_surface(surf);
1030         weston_log("Deactiving %s, role %s\n", app_id,
1031                         ivi_layout_get_surface_role_name(surf));
1032
1033         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
1034                 struct ivi_surface *previous_active;
1035
1036                 previous_active = ivi_output->previous_active;
1037                 if (!previous_active) {
1038                         /* we don't have a previous active it means we should
1039                          * display the bg */
1040                         if (ivi_output->active) {
1041                                 struct weston_view *view;
1042
1043                                 view = ivi_output->active->view;
1044                                 view->is_mapped = false;
1045                                 view->surface->is_mapped = false;
1046
1047                                 weston_layer_entry_remove(&view->layer_link);
1048                                 weston_view_geometry_dirty(view);
1049                                 weston_surface_damage(view->surface);
1050                                 ivi_output->active = NULL;
1051                         }
1052                 } else {
1053                         struct weston_desktop_surface *dsurface;
1054                         const char *previous_active_app_id;
1055
1056                         dsurface = previous_active->dsurface;
1057                         previous_active_app_id =
1058                                 weston_desktop_surface_get_app_id(dsurface);
1059                         ivi_layout_activate(ivi_output, previous_active_app_id);
1060                 }
1061         } else if (surf->role == IVI_SURFACE_ROLE_POPUP) {
1062                 struct weston_view *view  = surf->view;
1063
1064                 weston_view_unmap(view);
1065                 surf->state = HIDDEN;
1066
1067                 weston_layer_entry_remove(&view->layer_link);
1068                 weston_view_geometry_dirty(view);
1069                 weston_surface_damage(view->surface);
1070         }
1071
1072       shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_DEACTIVATED);
1073 }