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       if (wl_resource_get_version(ivi->shell_client.resource) >= AGL_SHELL_APP_STATE_SINCE_VERSION)
 316                 agl_shell_send_app_state(ivi->shell_client.resource,
 317                                          app_id, AGL_SHELL_APP_STATE_ACTIVATED);
 318
 319 }
 320
 321 struct ivi_output *
 322 ivi_layout_find_with_app_id(const char *app_id, struct ivi_compositor *ivi)
 323 {
 324         struct ivi_output *out;
 325
 326         if (!app_id)
 327                 return NULL;
 328
 329         wl_list_for_each(out, &ivi->outputs, link) {
 330                 if (!out->app_id)
 331                         continue;
 332
 333                 if (!strcmp(app_id, out->app_id))
 334                         return out;
 335         }
 336
 337         return NULL;
 338 }
 339
 340 struct ivi_output *
 341 ivi_layout_find_bg_output(struct ivi_compositor *ivi)
 342 {
 343         struct ivi_output *out;
 344
 345         wl_list_for_each(out, &ivi->outputs, link) {
 346                 if (out->background &&
 347                     out->background->role == IVI_SURFACE_ROLE_BACKGROUND)
 348                         return out;
 349         }
 350
 351         return NULL;
 352 }
 353
 354
 355 static void
 356 ivi_layout_add_to_hidden_layer(struct ivi_surface *surf,
 357                                struct ivi_output *ivi_output)
 358 {
 359         struct weston_desktop_surface *dsurf = surf->dsurface;
 360         struct weston_view *ev = surf->view;
 361         struct ivi_compositor *ivi = surf->ivi;
 362         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 363
 364         /*
 365          * If the view isn't mapped, we put it onto the hidden layer so it will
 366          * start receiving frame events, and will be able to act on our
 367          * configure event.
 368          */
 369         if (!weston_view_is_mapped(ev)) {
 370                 ev->is_mapped = true;
 371                 ev->surface->is_mapped = true;
 372
 373                 weston_desktop_surface_set_maximized(dsurf, true);
 374                 weston_desktop_surface_set_size(dsurf,
 375                                                 ivi_output->area.width,
 376                                                 ivi_output->area.height);
 377
 378                 weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 379                            app_id, ivi_layout_get_surface_role_name(surf),
 380                            ivi_output->area.width, ivi_output->area.height);
 381
 382                 surf->hidden_layer_output = ivi_output;
 383                 weston_view_set_output(ev, ivi_output->output);
 384                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
 385                 weston_log("Placed app_id %s, type %s in hidden layer on output %s\n",
 386                                 app_id, ivi_layout_get_surface_role_name(surf),
 387                                 ivi_output->output->name);
 388
 389                 weston_compositor_schedule_repaint(ivi->compositor);
 390                 return;
 391         }
 392
 393         /* we might have another output to activate */
 394         if (surf->hidden_layer_output &&
 395             surf->hidden_layer_output != ivi_output) {
 396                 weston_layer_entry_remove(&ev->layer_link);
 397
 398                 if (ivi_output->area.width != surf->hidden_layer_output->area.width &&
 399                     ivi_output->area.height != surf->hidden_layer_output->area.height) {
 400                         weston_desktop_surface_set_maximized(dsurf, true);
 401                         weston_desktop_surface_set_size(dsurf,
 402                                                         ivi_output->area.width,
 403                                                         ivi_output->area.height);
 404                 }
 405
 406                 weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
 407                                 app_id, ivi_layout_get_surface_role_name(surf),
 408                                 ivi_output->area.width, ivi_output->area.height);
 409
 410                 surf->hidden_layer_output = ivi_output;
 411                 weston_view_set_output(ev, ivi_output->output);
 412                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
 413                 weston_log("Placed app_id %s, type %s in hidden layer on output %s\n",
 414                                 app_id, ivi_layout_get_surface_role_name(surf),
 415                                 ivi_output->output->name);
 416         }
 417
 418         weston_compositor_schedule_repaint(ivi->compositor);
 419 }
 420
 421 void
 422 ivi_layout_desktop_committed(struct ivi_surface *surf)
 423 {
 424         struct weston_desktop_surface *dsurf = surf->dsurface;
 425         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 426         struct ivi_policy *policy = surf->ivi->policy;
 427         struct ivi_output *output;
 428         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 429
 430         assert(surf->role == IVI_SURFACE_ROLE_DESKTOP ||
 431                surf->role == IVI_SURFACE_ROLE_REMOTE);
 432
 433         /*
 434          * we can't make use here of the ivi_layout_get_output_from_surface()
 435          * due to the fact that we'll always land here when a surface performs
 436          * a commit and pending_output will not bet set. This works in tandem
 437          * with 'mapped' at this point to avoid tripping over
 438          * to a surface that continuously updates its content
 439          */
 440         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
 441                 output = surf->desktop.pending_output;
 442         else
 443                 output = surf->remote.output;
 444
 445         if (surf->role == IVI_SURFACE_ROLE_DESKTOP && !output) {
 446                 struct ivi_output *r_output;
 447
 448                 if (policy && policy->api.surface_activate_by_default &&
 449                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 450                         return;
 451
 452                 /* we can only activate it again by using the protocol */
 453                 if (surf->mapped)
 454                         return;
 455
 456                 /* check first if there aren't any outputs being set */
 457                 r_output = ivi_layout_find_with_app_id(app_id, surf->ivi);
 458
 459                 if (r_output) {
 460                         struct weston_view *view = r_output->fullscreen_view.fs->view;
 461                         if (view->is_mapped || view->surface->is_mapped)
 462                                 remove_black_curtain(r_output);
 463                 }
 464
 465
 466                 /* try finding an output with a background and use that */
 467                 if (!r_output)
 468                         r_output = ivi_layout_find_bg_output(surf->ivi);
 469
 470                 /* if we couldn't still find an output by this point, there's
 471                  * something wrong so we abort with a protocol error */
 472                 if (!r_output) {
 473                         wl_resource_post_error(surf->ivi->shell_client.resource,
 474                                                AGL_SHELL_ERROR_INVALID_ARGUMENT,
 475                                                "No valid output found to activate surface by default");
 476                         return;
 477                 }
 478
 479                 if (!surf->ivi->activate_by_default) {
 480                         weston_log("Refusing to activate surface role %d, app_id %s\n",
 481                                         surf->role, app_id);
 482
 483                         if (!weston_desktop_surface_get_maximized(dsurf) ||
 484                             geom.width != r_output->area.width ||
 485                             geom.height != r_output->area.height)
 486                                 ivi_layout_add_to_hidden_layer(surf, r_output);
 487
 488                         return;
 489                 }
 490
 491                 /* use the output of the bg to activate the app on start-up by
 492                  * default */
 493                 if (surf->view && r_output) {
 494                         if (app_id && r_output) {
 495                                 weston_log("Surface with app_id %s, role %s activating by default\n",
 496                                         weston_desktop_surface_get_app_id(surf->dsurface),
 497                                         ivi_layout_get_surface_role_name(surf));
 498                                 ivi_layout_activate(r_output, app_id);
 499                         } else if (!app_id) {
 500                                 /*
 501                                  * applications not setting an app_id, or
 502                                  * setting an app_id but at a later point in
 503                                  * time, might fall-back here so give them a
 504                                  * chance to receive the configure event and
 505                                  * act upon it
 506                                  */
 507                                 weston_log("Surface no app_id, role %s activating by default\n",
 508                                         ivi_layout_get_surface_role_name(surf));
 509                                 ivi_layout_activate_by_surf(r_output, surf);
 510                         }
 511                 }
 512
 513                 return;
 514         }
 515
 516         if (surf->role == IVI_SURFACE_ROLE_REMOTE && output) {
 517                 if (policy && policy->api.surface_activate_by_default &&
 518                     !policy->api.surface_activate_by_default(surf, surf->ivi))
 519                         return;
 520
 521                 /* we can only activate it again by using the protocol, but
 522                  * additionally the output is not reset when
 523                  * ivi_layout_activate_complete() terminates so we use the
 524                  * current active surface to avoid hitting this again and again
 525                  * */
 526                 if (surf->mapped && output->active == surf)
 527                         return;
 528
 529                 if (app_id) {
 530                         weston_log("Surface with app_id %s, role %s activating "
 531                                    "by default on output %s\n",
 532                                    weston_desktop_surface_get_app_id(surf->dsurface),
 533                                    ivi_layout_get_surface_role_name(surf),
 534                                    output->output->name);
 535                         ivi_layout_activate(output, app_id);
 536                 }
 537                 return;
 538         }
 539
 540         if (!weston_desktop_surface_get_maximized(dsurf) ||
 541             geom.width != output->area.width ||
 542             geom.height != output->area.height)
 543                 return;
 544
 545         ivi_layout_activate_complete(output, surf);
 546 }
 547
 548 void
 549 ivi_layout_fullscreen_committed(struct ivi_surface *surface)
 550 {
 551         struct ivi_compositor *ivi = surface->ivi;
 552         struct ivi_policy *policy = ivi->policy;
 553
 554         struct weston_desktop_surface *dsurface = surface->dsurface;
 555         struct weston_surface *wsurface =
 556                 weston_desktop_surface_get_surface(dsurface);
 557         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 558
 559         struct ivi_output *output = surface->split.output;
 560         struct weston_output *woutput = output->output;
 561         struct ivi_output *bg_output = ivi_layout_find_bg_output(ivi);
 562
 563         struct weston_view *view = surface->view;
 564         struct weston_geometry geom =
 565                 weston_desktop_surface_get_geometry(dsurface);
 566
 567         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 568         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 569
 570         bool is_fullscreen = weston_desktop_surface_get_fullscreen(dsurface);
 571         bool is_dim_same =
 572                 geom.width == bg_output->output->width &&
 573                 geom.height == bg_output->output->height;
 574
 575         if (policy && policy->api.surface_activate_by_default &&
 576             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 577             !surface->mapped)
 578                 return;
 579
 580         assert(surface->role == IVI_SURFACE_ROLE_FULLSCREEN);
 581
 582         if (weston_view_is_mapped(view))
 583                 return;
 584
 585         /* if we still get here but we haven't resized so far, send configure
 586          * events to do so */
 587         if (surface->state != RESIZING && (!is_fullscreen || !is_dim_same)) {
 588                 struct ivi_output *bg_output =
 589                         ivi_layout_find_bg_output(surface->ivi);
 590
 591                 weston_log("Placing fullscreen app_id %s, type %s in hidden layer\n",
 592                                 app_id, ivi_layout_get_surface_role_name(surface));
 593                 weston_desktop_surface_set_fullscreen(dsurface, true);
 594                 weston_desktop_surface_set_size(dsurface,
 595                                                 bg_output->output->width,
 596                                                 bg_output->output->height);
 597
 598                 surface->state = RESIZING;
 599                 weston_view_set_output(view, output->output);
 600                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
 601                 return;
 602         }
 603
 604         /* eventually, we would set the surface fullscreen, but the client
 605          * hasn't resized correctly by this point, so terminate connection */
 606         if (surface->state == RESIZING && is_fullscreen && !is_dim_same) {
 607                 struct weston_desktop_client *desktop_client =
 608                         weston_desktop_surface_get_client(dsurface);
 609                 struct wl_client *client =
 610                         weston_desktop_client_get_client(desktop_client);
 611                 wl_client_post_implementation_error(client,
 612                                 "can not display surface due to invalid geometry."
 613                                 " Client should perform a geometry resize!");
 614                 return;
 615         }
 616
 617         /* this implies we resized correctly */
 618         if (!weston_view_is_mapped(view)) {
 619                 weston_layer_entry_remove(&view->layer_link);
 620
 621                 weston_view_set_output(view, woutput);
 622                 weston_view_set_position(view, woutput->x, woutput->y);
 623                 weston_layer_entry_insert(&ivi->fullscreen.view_list, &view->layer_link);
 624
 625                 wsurface->is_mapped = true;
 626                 surface->view->is_mapped = true;
 627                 surface->state = FULLSCREEN;
 628
 629                 weston_view_geometry_dirty(view);
 630                 weston_surface_damage(view->surface);
 631
 632                 if (ivi_seat)
 633                         ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 634
 635                 shell_advertise_app_state(ivi, app_id,
 636                                 NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 637
 638                 weston_log("Activation completed for app_id %s, role %s, "
 639                            "output %s\n", app_id,
 640                            ivi_layout_get_surface_role_name(surface),
 641                            output->name);
 642
 643         }
 644 }
 645
 646 void
 647 ivi_layout_desktop_resize(struct ivi_surface *surface,
 648                           struct weston_geometry area)
 649 {
 650         struct weston_desktop_surface *dsurf = surface->dsurface;
 651         struct weston_view *view = surface->view;
 652
 653         int x = area.x;
 654         int y = area.y;
 655         int width = area.width;
 656         int height = area.height;
 657
 658         weston_desktop_surface_set_size(dsurf,
 659                                         width, height);
 660
 661         weston_view_set_position(view, x, y);
 662
 663         weston_view_geometry_dirty(view);
 664         weston_surface_damage(view->surface);
 665 }
 666
 667 void
 668 ivi_layout_split_committed(struct ivi_surface *surface)
 669 {
 670         struct ivi_compositor *ivi = surface->ivi;
 671         struct ivi_policy *policy = ivi->policy;
 672
 673         struct weston_desktop_surface *dsurface = surface->dsurface;
 674         struct weston_surface *wsurface =
 675                 weston_desktop_surface_get_surface(dsurface);
 676         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 677
 678         struct ivi_output *output = surface->split.output;
 679         struct weston_output *woutput = output->output;
 680
 681         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 682         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 683
 684         struct weston_view *view = surface->view;
 685         struct weston_geometry geom;
 686
 687         int x, y;
 688         int width, height;
 689
 690         x = woutput->x;
 691         y = woutput->y;
 692
 693         if (policy && policy->api.surface_activate_by_default &&
 694             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 695             !surface->mapped)
 696                 return;
 697
 698         if (surface->view->is_mapped)
 699                 return;
 700
 701         geom = weston_desktop_surface_get_geometry(dsurface);
 702
 703         assert(surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
 704                surface->role == IVI_SURFACE_ROLE_SPLIT_V);
 705
 706         /* save the previous area in order to recover it back when if this kind
 707          * of surface is being destroyed/removed */
 708         output->area_saved = output->area;
 709
 710         switch (surface->role) {
 711         case IVI_SURFACE_ROLE_SPLIT_V:
 712                 geom.width = (output->area.width / 2);
 713
 714                 x += woutput->width - geom.width;
 715                 output->area.width -= geom.width;
 716
 717                 width = woutput->width - x;
 718                 height = output->area.height;
 719                 y = output->area.y;
 720
 721                 break;
 722         case IVI_SURFACE_ROLE_SPLIT_H:
 723                 geom.height = (output->area.height / 2);
 724
 725                 y = output->area.y;
 726                 output->area.y += geom.height;
 727                 output->area.height -= geom.height;
 728
 729                 width = output->area.width;
 730                 height = output->area.height;
 731
 732                 x = output->area.x;
 733
 734                 break;
 735         default:
 736                 assert(!"Invalid split orientation\n");
 737         }
 738
 739         weston_desktop_surface_set_size(dsurface,
 740                                         width, height);
 741
 742         /* resize the active surface first, output->area already contains
 743          * correct area to resize to */
 744         if (output->active)
 745                 ivi_layout_desktop_resize(output->active, output->area);
 746
 747         weston_view_set_output(view, woutput);
 748         weston_view_set_position(view, x, y);
 749         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 750
 751         weston_view_geometry_dirty(view);
 752         weston_surface_damage(view->surface);
 753
 754         if (ivi_seat)
 755                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 756
 757         wsurface->is_mapped = true;
 758         surface->view->is_mapped = true;
 759
 760         shell_advertise_app_state(ivi, app_id,
 761                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 762
 763         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 764                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 765 }
 766
 767 static void
 768 ivi_compute_popup_position(const struct weston_output *output, struct weston_view *view,
 769                            int initial_x, int initial_y, int *new_x, int *new_y)
 770 {
 771         *new_x = output->x + initial_x;
 772         *new_y = output->y + initial_y;
 773 }
 774
 775
 776 void
 777 ivi_layout_popup_committed(struct ivi_surface *surface)
 778 {
 779         struct ivi_compositor *ivi = surface->ivi;
 780         struct ivi_policy *policy = ivi->policy;
 781
 782         struct weston_desktop_surface *dsurface = surface->dsurface;
 783         struct weston_surface *wsurface =
 784                 weston_desktop_surface_get_surface(dsurface);
 785         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
 786
 787         int new_x, new_y;
 788
 789         struct ivi_output *output = surface->popup.output;
 790         struct weston_output *woutput = output->output;
 791
 792         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
 793         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
 794
 795         struct weston_view *view = surface->view;
 796
 797         if (policy && policy->api.surface_activate_by_default &&
 798             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
 799             !surface->mapped)
 800                 return;
 801
 802         if (surface->view->is_mapped || surface->state == HIDDEN)
 803                 return;
 804
 805         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 806
 807         weston_view_set_output(view, woutput);
 808
 809         ivi_compute_popup_position(woutput, view,
 810                                    surface->popup.x, surface->popup.y, &new_x, &new_y);
 811         weston_view_set_position(view, new_x, new_y);
 812         weston_view_update_transform(view);
 813
 814         /* only clip the pop-up dialog window if we have a valid
 815          * width and height being passed on. Users might not want to have one
 816          * set-up so only enfore it is really passed on. */
 817         if (surface->popup.bb.width > 0 && surface->popup.bb.height > 0)
 818                 weston_view_set_mask(view, surface->popup.bb.x, surface->popup.bb.y,
 819                                      surface->popup.bb.width, surface->popup.bb.height);
 820
 821         weston_layer_entry_insert(&ivi->popup.view_list, &view->layer_link);
 822
 823         weston_view_geometry_dirty(view);
 824         weston_surface_damage(view->surface);
 825
 826         if (ivi_seat)
 827                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
 828
 829         wsurface->is_mapped = true;
 830         surface->view->is_mapped = true;
 831
 832         shell_advertise_app_state(ivi, app_id,
 833                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 834
 835         weston_log("Activation completed for app_id %s, role %s, output %s\n",
 836                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
 837 }
 838
 839 static void
 840 ivi_layout_popup_re_add(struct ivi_surface *surface)
 841 {
 842         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
 843         struct weston_view *view = surface->view;
 844
 845         if (weston_view_is_mapped(view)) {
 846                 struct weston_desktop_surface *dsurface = surface->dsurface;
 847                 struct weston_surface *wsurface =
 848                         weston_desktop_surface_get_surface(dsurface);
 849
 850                 weston_layer_entry_remove(&view->layer_link);
 851
 852                 wsurface->is_mapped = false;
 853                 view->is_mapped = false;
 854         }
 855
 856         /* reset the activate by default in order to (still) allow the surface
 857          * to be activaved using the request */
 858         if (!surface->mapped)
 859                 surface->mapped = true;
 860
 861         surface->state = NORMAL;
 862         ivi_layout_popup_committed(surface);
 863 }
 864
 865 static bool
 866 ivi_layout_surface_is_split_or_fullscreen(struct ivi_surface *surf)
 867 {
 868         struct ivi_compositor *ivi = surf->ivi;
 869         struct ivi_surface *is;
 870
 871         if (surf->role != IVI_SURFACE_ROLE_SPLIT_H &&
 872             surf->role != IVI_SURFACE_ROLE_SPLIT_V &&
 873             surf->role != IVI_SURFACE_ROLE_FULLSCREEN)
 874                 return false;
 875
 876         /* reset the activate by default in order to (still) allow the surface
 877          * to be activaved using the request */
 878         if (!surf->mapped)
 879                 surf->mapped = true;
 880
 881         wl_list_for_each(is, &ivi->surfaces, link)
 882                 if (is == surf)
 883                         return true;
 884
 885         return false;
 886 }
 887
 888 void
 889 ivi_layout_activate_by_surf(struct ivi_output *output, struct ivi_surface *surf)
 890 {
 891         struct ivi_compositor *ivi = output->ivi;
 892         struct weston_desktop_surface *dsurf;
 893         struct weston_geometry geom;
 894         struct ivi_policy *policy = output->ivi->policy;
 895
 896         dsurf = surf->dsurface;
 897
 898         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
 899
 900         if (!surf)
 901                 return;
 902
 903         if (policy && policy->api.surface_activate &&
 904             !policy->api.surface_activate(surf, surf->ivi)) {
 905                 return;
 906         }
 907
 908 #ifdef AGL_COMP_DEBUG
 909         weston_log("Activating app_id %s, type %s, on output %s\n", app_id,
 910                         ivi_layout_get_surface_role_name(surf), output->output->name);
 911 #endif
 912
 913         if (surf->role == IVI_SURFACE_ROLE_POPUP) {
 914                 ivi_layout_popup_re_add(surf);
 915                 return;
 916         }
 917
 918         /* do not 're'-activate surfaces that are split or active */
 919         if (surf == output->active ||
 920             ivi_layout_surface_is_split_or_fullscreen(surf)) {
 921                 weston_log("Application %s is already active on output %s\n",
 922                                 app_id, output->output->name);
 923                 return;
 924         }
 925
 926         if (surf->role == IVI_SURFACE_ROLE_REMOTE) {
 927                 struct ivi_output *remote_output =
 928                         ivi_layout_find_with_app_id(app_id, ivi);
 929
 930                 /* if already active on a remote output do not
 931                  * attempt to activate it again */
 932                 if (remote_output && remote_output->active == surf)
 933                         return;
 934         }
 935
 936
 937         geom = weston_desktop_surface_get_geometry(dsurf);
 938
 939         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
 940                 surf->desktop.pending_output = output;
 941         if (weston_desktop_surface_get_maximized(dsurf) &&
 942             geom.width == output->area.width &&
 943             geom.height == output->area.height) {
 944                 ivi_layout_activate_complete(output, surf);
 945                 return;
 946         }
 947
 948         /* the background surface is already "maximized" so we don't need to
 949          * add to the hidden layer */
 950         if (surf->role == IVI_SURFACE_ROLE_BACKGROUND) {
 951                 ivi_layout_activate_complete(output, surf);
 952                 return;
 953         }
 954
 955         ivi_layout_add_to_hidden_layer(surf, output);
 956 }
 957
 958 void
 959 ivi_layout_activate(struct ivi_output *output, const char *app_id)
 960 {
 961         struct ivi_surface *surf;
 962         struct ivi_compositor *ivi = output->ivi;
 963
 964         if (!app_id)
 965                 return;
 966
 967         surf = ivi_find_app(ivi, app_id);
 968         if (!surf)
 969                 return;
 970
 971         ivi_layout_activate_by_surf(output, surf);
 972 }
 973
 974 struct ivi_output *
 975 ivi_layout_get_output_from_surface(struct ivi_surface *surf)
 976 {
 977         struct ivi_output *ivi_output = NULL;
 978
 979         switch (surf->role) {
 980         case IVI_SURFACE_ROLE_DESKTOP:
 981                 if (surf->desktop.pending_output)
 982                         ivi_output = surf->desktop.pending_output;
 983                 else
 984                         ivi_output = surf->desktop.last_output;
 985                 break;
 986         case IVI_SURFACE_ROLE_POPUP:
 987                 ivi_output = surf->popup.output;
 988                 break;
 989         case IVI_SURFACE_ROLE_BACKGROUND:
 990                 ivi_output = surf->bg.output;
 991                 break;
 992         case IVI_SURFACE_ROLE_PANEL:
 993                 ivi_output = surf->panel.output;
 994                 break;
 995         case IVI_SURFACE_ROLE_FULLSCREEN:
 996                 ivi_output = surf->fullscreen.output;
 997                 break;
 998         case IVI_SURFACE_ROLE_SPLIT_H:
 999         case IVI_SURFACE_ROLE_SPLIT_V:
1000                 ivi_output = surf->split.output;
1001                 break;
1002         case IVI_SURFACE_ROLE_REMOTE:
1003                 ivi_output = surf->remote.output;
1004                 break;
1005         case IVI_SURFACE_ROLE_NONE:
1006         default:
1007                 break;
1008         }
1009
1010         return ivi_output;
1011 }
1012
1013 void
1014 ivi_layout_deactivate(struct ivi_compositor *ivi, const char *app_id)
1015 {
1016         struct ivi_surface *surf;
1017         struct ivi_output *ivi_output;
1018         struct ivi_policy *policy = ivi->policy;
1019
1020         if (!app_id)
1021                 return;
1022
1023         surf = ivi_find_app(ivi, app_id);
1024         if (!surf)
1025                 return;
1026
1027         if (policy && policy->api.surface_deactivate &&
1028             !policy->api.surface_deactivate(surf, surf->ivi)) {
1029                 return;
1030         }
1031
1032         ivi_output = ivi_layout_get_output_from_surface(surf);
1033         weston_log("Deactiving %s, role %s\n", app_id,
1034                         ivi_layout_get_surface_role_name(surf));
1035
1036         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
1037                 struct ivi_surface *previous_active;
1038
1039                 previous_active = ivi_output->previous_active;
1040                 if (!previous_active) {
1041                         /* we don't have a previous active it means we should
1042                          * display the bg */
1043                         if (ivi_output->active) {
1044                                 struct weston_view *view;
1045
1046                                 view = ivi_output->active->view;
1047                                 view->is_mapped = false;
1048                                 view->surface->is_mapped = false;
1049
1050                                 weston_layer_entry_remove(&view->layer_link);
1051                                 weston_view_geometry_dirty(view);
1052                                 weston_surface_damage(view->surface);
1053                                 ivi_output->active = NULL;
1054                         }
1055                 } else {
1056                         struct weston_desktop_surface *dsurface;
1057                         const char *previous_active_app_id;
1058
1059                         dsurface = previous_active->dsurface;
1060                         previous_active_app_id =
1061                                 weston_desktop_surface_get_app_id(dsurface);
1062                         ivi_layout_activate(ivi_output, previous_active_app_id);
1063                 }
1064         } else if (surf->role == IVI_SURFACE_ROLE_POPUP) {
1065                 struct weston_view *view  = surf->view;
1066
1067                 weston_view_unmap(view);
1068                 surf->state = HIDDEN;
1069
1070                 weston_layer_entry_remove(&view->layer_link);
1071                 weston_view_geometry_dirty(view);
1072                 weston_surface_damage(view->surface);
1073         }
1074
1075       if (wl_resource_get_version(ivi->shell_client.resource) >= AGL_SHELL_APP_STATE_SINCE_VERSION)
1076               agl_shell_send_app_state(ivi->shell_client.resource, app_id,
1077                                        AGL_SHELL_APP_STATE_DEACTIVATED);
1078 }