shell: Add the ability to dynamically move application window
[src/agl-compositor.git] / src / desktop.c
index 8515a32..340f14f 100644 (file)
  * SOFTWARE.
  */
 
+#include <assert.h>
 #include "ivi-compositor.h"
 #include "policy.h"
 
+#include "shared/helpers.h"
 #include <libweston/libweston.h>
 #include <libweston-desktop/libweston-desktop.h>
 
-#if 0
-static struct weston_output *
-get_default_output(struct weston_compositor *compositor)
+#include "agl-shell-desktop-server-protocol.h"
+
+static void
+desktop_advertise_app(struct wl_listener *listener, void *data)
 {
-       if (wl_list_empty(&compositor->output_list))
-               return NULL;
+       struct ivi_surface *surface;
 
-       return wl_container_of(compositor->output_list.next,
-                              struct weston_output, link);
+       surface = wl_container_of(listener, surface, listener_advertise_app);
+
+       agl_shell_desktop_advertise_application_id(surface->ivi, surface);
 }
-#endif
 
 static void
 desktop_ping_timeout(struct weston_desktop_client *dclient, void *userdata)
@@ -53,6 +55,102 @@ desktop_pong(struct weston_desktop_client *dclient, void *userdata)
        /* not supported */
 }
 
+struct weston_output *
+get_default_output(struct weston_compositor *compositor)
+{
+       if (wl_list_empty(&compositor->output_list))
+               return NULL;
+
+       return container_of(compositor->output_list.next,
+                       struct weston_output, link);
+}
+
+struct weston_output *
+get_focused_output(struct weston_compositor *compositor)
+{
+       struct weston_seat *seat;
+       struct weston_output *output = NULL;
+
+       wl_list_for_each(seat, &compositor->seat_list, link) {
+               struct weston_touch *touch = weston_seat_get_touch(seat);
+               struct weston_pointer *pointer = weston_seat_get_pointer(seat);
+               struct weston_keyboard *keyboard =
+                       weston_seat_get_keyboard(seat);
+
+               if (touch && touch->focus)
+                       output = touch->focus->output;
+               else if (pointer && pointer->focus)
+                       output = pointer->focus->output;
+               else if (keyboard && keyboard->focus)
+                       output = keyboard->focus->output;
+
+               if (output)
+                       break;
+       }
+
+       return output;
+}
+
+void
+ivi_shell_activate_surface(struct ivi_surface *ivi_surf,
+                          struct ivi_shell_seat *ivi_seat,
+                          uint32_t flags)
+{
+       struct weston_desktop_surface *dsurface = ivi_surf->dsurface;
+       struct weston_surface *surface =
+               weston_desktop_surface_get_surface(dsurface);
+
+       weston_view_activate_input(ivi_surf->view, ivi_seat->seat, flags);
+
+       if (ivi_seat->focused_surface) {
+               struct ivi_surface *current_focus =
+                       get_ivi_shell_surface(ivi_seat->focused_surface);
+               struct weston_desktop_surface *dsurface_focus;
+               assert(current_focus);
+
+               dsurface_focus = current_focus->dsurface;
+               if (--current_focus->focus_count == 0)
+                       weston_desktop_surface_set_activated(dsurface_focus, false);
+       }
+
+       ivi_seat->focused_surface = surface;
+       if (ivi_surf->focus_count++ == 0)
+               weston_desktop_surface_set_activated(dsurface, true);
+}
+
+
+static void
+desktop_surface_added_configure(struct ivi_surface *surface,
+                               struct ivi_output *ivi_output)
+{
+       enum ivi_surface_role role = IVI_SURFACE_ROLE_NONE;
+       struct weston_desktop_surface *dsurface = surface->dsurface;
+
+       ivi_check_pending_surface_desktop(surface, &role);
+       if ((role != IVI_SURFACE_ROLE_DESKTOP &&
+            role != IVI_SURFACE_ROLE_FULLSCREEN &&
+            role != IVI_SURFACE_ROLE_REMOTE) ||
+            role == IVI_SURFACE_ROLE_NONE)
+               return;
+
+       if (role == IVI_SURFACE_ROLE_FULLSCREEN) {
+               struct ivi_output *bg_output =
+                       ivi_layout_find_bg_output(surface->ivi);
+               assert(bg_output);
+               weston_desktop_surface_set_fullscreen(dsurface, true);
+               weston_desktop_surface_set_size(dsurface,
+                                               bg_output->output->width,
+                                               bg_output->output->height);
+               return;
+       }
+
+       weston_desktop_surface_set_maximized(dsurface, true);
+       weston_desktop_surface_set_size(dsurface,
+                                       ivi_output->area.width,
+                                       ivi_output->area.height);
+}
+
+
 static void
 desktop_surface_added(struct weston_desktop_surface *dsurface, void *userdata)
 {
@@ -60,10 +158,21 @@ desktop_surface_added(struct weston_desktop_surface *dsurface, void *userdata)
        struct weston_desktop_client *dclient;
        struct wl_client *client;
        struct ivi_surface *surface;
+       struct ivi_output *active_output = NULL;
+       struct weston_output *output = NULL;
+       const char *app_id = NULL;
 
        dclient = weston_desktop_surface_get_client(dsurface);
        client = weston_desktop_client_get_client(dclient);
 
+       if (ivi->shell_client.resource &&
+           ivi->shell_client.status == BOUND_FAILED) {
+               wl_client_post_implementation_error(client,
+                                      "agl_shell has already been bound. "
+                                      "Check out bound_fail event");
+               return;
+       }
+
        surface = zalloc(sizeof *surface);
        if (!surface) {
                wl_client_post_no_memory(client);
@@ -80,30 +189,73 @@ desktop_surface_added(struct weston_desktop_surface *dsurface, void *userdata)
        surface->ivi = ivi;
        surface->dsurface = dsurface;
        surface->role = IVI_SURFACE_ROLE_NONE;
-       surface->activated_by_default = false;
+       surface->mapped = false;
+       surface->advertised_on_launch = false;
+       surface->checked_pending = false;
+       wl_list_init(&surface->link);
+
+       wl_signal_init(&surface->signal_advertise_app);
+
+       surface->listener_advertise_app.notify = desktop_advertise_app;
+       wl_signal_add(&surface->signal_advertise_app,
+                     &surface->listener_advertise_app);
+
+       weston_desktop_surface_set_user_data(dsurface, surface);
 
        if (ivi->policy && ivi->policy->api.surface_create &&
            !ivi->policy->api.surface_create(surface, ivi)) {
-               free(surface);
                wl_client_post_no_memory(client);
                return;
        }
 
-       weston_desktop_surface_set_user_data(dsurface, surface);
 
-       if (ivi->shell_client.ready) {
-               if (ivi_check_pending_desktop_surface_popup(surface))
-                       ivi_set_desktop_surface_popup(surface);
+       app_id = weston_desktop_surface_get_app_id(dsurface);
+
+       if ((active_output = ivi_layout_find_with_app_id(app_id, ivi))) {
+               ivi_set_pending_desktop_surface_remote(active_output, app_id);
+               shell_send_app_on_output(ivi, app_id, active_output->output->name);
+       }
+
+       /* reset any caps to make sure we apply the new caps */
+       ivi_seat_reset_caps_sent(ivi);
+
+       output =  get_focused_output(ivi->compositor);
+       if (!output)
+               output = get_default_output(ivi->compositor);
+
+       if (output && ivi->shell_client.ready) {
+               struct ivi_output *ivi_output = to_ivi_output(output);
+               if (active_output)
+                       desktop_surface_added_configure(surface, active_output);
                else
-                       ivi_set_desktop_surface(surface);
-       } else {
-               /*
-                * We delay creating "normal" desktop surfaces until later, to
-                * give the shell-client an oppurtunity to set the surface as a
-                * background/panel.
-                */
-               wl_list_insert(&ivi->pending_surfaces, &surface->link);
+                       desktop_surface_added_configure(surface, ivi_output);
        }
+       /*
+        * We delay creating "normal" desktop surfaces until later, to
+        * give the shell-client an oppurtunity to set the surface as a
+        * background/panel.
+        * Also delay the creation in order to have a valid app_id
+        * which will be used to set the proper role.
+        */
+       weston_log("Added surface %p, app_id %s to pending list\n",
+                       surface, app_id);
+       wl_list_insert(&ivi->pending_surfaces, &surface->link);
+
+}
+
+bool
+ivi_surface_count_one(struct ivi_output *ivi_output,
+                     enum ivi_surface_role role)
+{
+       int count = 0;
+       struct ivi_surface *surf;
+
+       wl_list_for_each(surf, &ivi_output->ivi->surfaces, link)
+               if (surf->role == role &&
+                   surf->current_completed_output == ivi_output)
+                       count++;
+
+       return (count == 1);
 }
 
 static void
@@ -113,15 +265,49 @@ desktop_surface_removed(struct weston_desktop_surface *dsurface, void *userdata)
                weston_desktop_surface_get_user_data(dsurface);
        struct weston_surface *wsurface =
                weston_desktop_surface_get_surface(dsurface);
+       const char *app_id = NULL;
+       struct weston_seat *wseat = NULL;
+       struct ivi_shell_seat *ivi_seat = NULL;
+       struct ivi_output *output = NULL;
+
+       /* we might not have a valid ivi_surface if _added failed due to
+        * protocol errors */
+       if (!surface)
+               return;
 
-       struct ivi_output *output;
+       wseat = get_ivi_shell_weston_first_seat(surface->ivi);
+       if (wseat)
+               ivi_seat = get_ivi_shell_seat(wseat);
 
-       if (surface->role == IVI_SURFACE_ROLE_DESKTOP)
-               output = surface->desktop.last_output;
-       else if (surface->role == IVI_SURFACE_ROLE_POPUP)
-               output = surface->popup.output;
-       else
-               return;
+       output = ivi_layout_get_output_from_surface(surface);
+
+       wl_list_remove(&surface->listener_advertise_app.link);
+       surface->listener_advertise_app.notify = NULL;
+
+       app_id = weston_desktop_surface_get_app_id(dsurface);
+
+       /* special corner-case, pending_surfaces which are never activated or
+        * being assigned an output might land here so just remove the surface;
+        *
+        * the DESKTOP role can happen here as well, because we can fall-back 
+        * to that when we try to determine the role type. Application that
+        * do not set the app_id will be land here, when destroyed */
+       if ((output == NULL && (surface->role == IVI_SURFACE_ROLE_NONE ||
+                               surface->role == IVI_SURFACE_ROLE_DESKTOP)) ||
+            output->output == NULL)
+               goto skip_output_asignment;
+
+       assert(output != NULL);
+
+       /* resize the active surface to the original size */
+       if (surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
+           surface->role == IVI_SURFACE_ROLE_SPLIT_V) {
+               if (output && output->active) {
+                       ivi_layout_desktop_resize(output->active, output->area_saved);
+               }
+               /* restore the area back so we can re-use it again if needed */
+               output->area = output->area_saved;
+       }
 
        /* reset the active surface as well */
        if (output && output->active && output->active == surface) {
@@ -131,6 +317,27 @@ desktop_surface_removed(struct weston_desktop_surface *dsurface, void *userdata)
                weston_layer_entry_remove(&output->active->view->layer_link);
                output->active = NULL;
        }
+
+       /* clear out focused_surface to avoid a stale focused_surface. the
+        * client shell is responsible for keeping track and switch back to the
+        * last active surface so we don't get do anything at removal, just
+        * reset it */
+       if (ivi_seat && ivi_seat->focused_surface == wsurface)
+               ivi_seat->focused_surface = NULL;
+
+       if (surface->role == IVI_SURFACE_ROLE_REMOTE &&
+           output->type == OUTPUT_REMOTE)
+               ivi_destroy_waltham_destroy(surface);
+
+       /* check if there's a last 'remote' surface and insert a black
+        * surface view if there's no background set for that output
+        */
+       if (ivi_surface_count_one(output, IVI_SURFACE_ROLE_REMOTE) ||
+           ivi_surface_count_one(output, IVI_SURFACE_ROLE_DESKTOP))
+               if (!output->background)
+                       insert_black_curtain(output);
+
+
        if (weston_surface_is_mapped(wsurface)) {
                weston_desktop_surface_unlink_view(surface->view);
                weston_view_destroy(surface->view);
@@ -159,7 +366,19 @@ desktop_surface_removed(struct weston_desktop_surface *dsurface, void *userdata)
                output->background = NULL;
        }
 
+skip_output_asignment:
+       weston_log("Removed surface %p, app_id %s, role %s\n", surface,
+                       app_id, ivi_layout_get_surface_role_name(surface));
+
+       if (app_id && output && output->output) {
+               shell_advertise_app_state(output->ivi, app_id,
+                                         NULL, AGL_SHELL_DESKTOP_APP_STATE_DESTROYED);
+               if (output->ivi->shell_client.ready)
+                       shell_send_app_state(output->ivi, app_id, AGL_SHELL_APP_STATE_TERMINATED);
+       }
+
        wl_list_remove(&surface->link);
+
        free(surface);
 }
 
@@ -167,6 +386,7 @@ static void
 desktop_committed(struct weston_desktop_surface *dsurface, 
                  int32_t sx, int32_t sy, void *userdata)
 {
+       struct ivi_compositor *ivi = userdata;
        struct ivi_surface *surface =
                weston_desktop_surface_get_user_data(dsurface);
        struct ivi_policy *policy = surface->ivi->policy;
@@ -175,20 +395,66 @@ desktop_committed(struct weston_desktop_surface *dsurface,
            !policy->api.surface_commited(surface, surface->ivi))
                return;
 
+       if (ivi->shell_client.ready && !surface->checked_pending) {
+               struct ivi_output *remote_output = NULL;
+               const char *app_id =    weston_desktop_surface_get_app_id(dsurface);
+               weston_log("Checking pending surface %p, app_id %s\n", surface,
+                       app_id);
+               wl_list_remove(&surface->link);
+               wl_list_init(&surface->link);
+
+               if ((remote_output = ivi_layout_find_with_app_id(app_id, ivi))) {
+                       ivi_set_pending_desktop_surface_remote(remote_output, app_id);
+                       shell_send_app_on_output(ivi, app_id, remote_output->output->name);
+               }
+
+
+               ivi_check_pending_desktop_surface(surface);
+               surface->checked_pending = true;
+
+               /* we'll do it now at commit time, because we might not have an
+                * appid by the time we've created the weston_desktop_surface
+                * */
+               shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_STARTED);
+       }
+
+       if (!surface->advertised_on_launch &&
+           !wl_list_empty(&surface->ivi->desktop_clients))
+               wl_signal_emit(&surface->signal_advertise_app, surface);
+
+       /* this repaint schedule is needed to allow resizing to work with the
+        * help of the hidden layer:
+        *
+        * 1. add the view in the hidden layer and send out correct dimensions
+        * 2. clients changes its dimensions
+        * 3. client commits with the new dimensions
+        *
+        * For desktop and fullscreen, desktop_surface_added() sends the
+        * dimensions from the beginning so applications no need to resize, but
+        * if that weren't the case we still need this in.
+        */
        weston_compositor_schedule_repaint(surface->ivi->compositor);
 
        switch (surface->role) {
        case IVI_SURFACE_ROLE_DESKTOP:
                ivi_layout_desktop_committed(surface);
                break;
-       case IVI_SURFACE_ROLE_PANEL:
-               ivi_layout_panel_committed(surface);
+       case IVI_SURFACE_ROLE_REMOTE:
+               ivi_layout_remote_committed(surface);
                break;
        case IVI_SURFACE_ROLE_POPUP:
                ivi_layout_popup_committed(surface);
                break;
+       case IVI_SURFACE_ROLE_FULLSCREEN:
+               ivi_layout_fullscreen_committed(surface);
+               break;
+       case IVI_SURFACE_ROLE_SPLIT_H:
+       case IVI_SURFACE_ROLE_SPLIT_V:
+               ivi_layout_split_committed(surface);
+               break;
        case IVI_SURFACE_ROLE_NONE:
        case IVI_SURFACE_ROLE_BACKGROUND:
+       case IVI_SURFACE_ROLE_PANEL:
        default: /* fall through */
                break;
        }
@@ -270,6 +536,20 @@ static const struct weston_desktop_api desktop_api = {
        .set_xwayland_position = desktop_set_xwayland_position,
 };
 
+static void
+ivi_shell_destroy(struct wl_listener *listener, void *data)
+{
+       struct ivi_compositor *ivi = container_of(listener,
+                               struct ivi_compositor, destroy_listener);
+
+       ivi_shell_finalize(ivi);
+       ivi_compositor_destroy_pending_surfaces(ivi);
+       ivi_layout_destroy_saved_outputs(ivi);
+
+       weston_desktop_destroy(ivi->desktop);
+       wl_list_remove(&listener->link);
+}
+
 int
 ivi_desktop_init(struct ivi_compositor *ivi)
 {
@@ -279,5 +559,10 @@ ivi_desktop_init(struct ivi_compositor *ivi)
                return -1;
        }
 
+       if (!weston_compositor_add_destroy_listener_once(ivi->compositor,
+                       &ivi->destroy_listener, ivi_shell_destroy)) {
+               return -1;
+       }
+
        return 0;
 }