diff options
Diffstat (limited to 'src/wayland/meta-wayland-data-offer.c')
| -rw-r--r-- | src/wayland/meta-wayland-data-offer.c | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/src/wayland/meta-wayland-data-offer.c b/src/wayland/meta-wayland-data-offer.c deleted file mode 100644 index c686aee6f..000000000 --- a/src/wayland/meta-wayland-data-offer.c +++ /dev/null @@ -1,327 +0,0 @@ -/* - * Copyright © 2011 Kristian Høgsberg - * 2020 Red Hat Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that copyright - * notice and this permission notice appear in supporting documentation, and - * that the name of the copyright holders not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. The copyright holders make no representations - * about the suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE - * OF THIS SOFTWARE. - */ - -#include "config.h" - -#include <gio/gunixoutputstream.h> -#include <glib-unix.h> -#include <glib.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "meta/meta-selection.h" -#include "wayland/meta-wayland-data-device.h" -#include "wayland/meta-wayland-private.h" - -#include "meta-wayland-data-offer.h" - -#define ALL_ACTIONS (WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY | \ - WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE | \ - WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK) - -static void -data_offer_accept (struct wl_client *client, - struct wl_resource *resource, - guint32 serial, - const char *mime_type) -{ - MetaWaylandDataOffer *offer = wl_resource_get_user_data (resource); - - /* FIXME: Check that client is currently focused by the input - * device that is currently dragging this data source. Should - * this be a wl_data_device request? */ - - if (offer->source) - { - meta_wayland_data_source_target (offer->source, mime_type); - meta_wayland_data_source_set_has_target (offer->source, - mime_type != NULL); - } - - offer->accepted = mime_type != NULL; -} - -static void -transfer_cb (MetaSelection *selection, - GAsyncResult *res, - GOutputStream *stream) -{ - GError *error = NULL; - - if (!meta_selection_transfer_finish (selection, res, &error)) - { - g_warning ("Could not fetch selection data: %s", error->message); - g_error_free (error); - } - - g_output_stream_close (stream, NULL, NULL); - g_object_unref (stream); -} - -static void -data_offer_receive (struct wl_client *client, struct wl_resource *resource, - const char *mime_type, int32_t fd) -{ - MetaWaylandDataOffer *offer = wl_resource_get_user_data (resource); - MetaDisplay *display = meta_get_display (); - MetaSelectionType selection_type; - GList *mime_types; - gboolean found; - - selection_type = offer->selection_type; - mime_types = meta_selection_get_mimetypes (meta_display_get_selection (display), - selection_type); - found = g_list_find_custom (mime_types, mime_type, (GCompareFunc) g_strcmp0) != NULL; - g_list_free_full (mime_types, g_free); - - if (found) - { - GOutputStream *stream; - - stream = g_unix_output_stream_new (fd, TRUE); - meta_selection_transfer_async (meta_display_get_selection (display), - selection_type, - mime_type, - -1, - stream, - NULL, - (GAsyncReadyCallback) transfer_cb, - stream); - } - else - { - close (fd); - } -} - -static void -data_offer_destroy (struct wl_client *client, - struct wl_resource *resource) -{ - wl_resource_destroy (resource); -} - -static void -data_offer_finish (struct wl_client *client, - struct wl_resource *resource) -{ - MetaWaylandDataOffer *offer = wl_resource_get_user_data (resource); - enum wl_data_device_manager_dnd_action current_action; - - if (!offer->source || - offer != meta_wayland_data_source_get_current_offer (offer->source)) - return; - - if (!offer->accepted || !offer->action_sent) - { - wl_resource_post_error (offer->resource, - WL_DATA_OFFER_ERROR_INVALID_FINISH, - "premature finish request"); - return; - } - - current_action = meta_wayland_data_source_get_current_action (offer->source); - - if (current_action == WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE || - current_action == WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK) - { - wl_resource_post_error (offer->resource, - WL_DATA_OFFER_ERROR_INVALID_OFFER, - "offer finished with an invalid action"); - return; - } - - meta_wayland_data_source_notify_finish (offer->source); -} - -static void -data_offer_set_actions (struct wl_client *client, - struct wl_resource *resource, - uint32_t dnd_actions, - uint32_t preferred_action) -{ - MetaWaylandDataOffer *offer = wl_resource_get_user_data (resource); - - if (dnd_actions & ~(ALL_ACTIONS)) - { - wl_resource_post_error (offer->resource, - WL_DATA_OFFER_ERROR_INVALID_ACTION_MASK, - "invalid actions mask %x", dnd_actions); - return; - } - - if (preferred_action && - (!(preferred_action & dnd_actions) || - __builtin_popcount (preferred_action) > 1)) - { - wl_resource_post_error (offer->resource, - WL_DATA_OFFER_ERROR_INVALID_ACTION, - "invalid action %x", preferred_action); - return; - } - - offer->dnd_actions = dnd_actions; - offer->preferred_dnd_action = preferred_action; - - meta_wayland_data_offer_update_action (offer); -} - -static const struct wl_data_offer_interface data_offer_interface = { - data_offer_accept, - data_offer_receive, - data_offer_destroy, - data_offer_finish, - data_offer_set_actions, -}; - -static void -destroy_data_offer (struct wl_resource *resource) -{ - MetaWaylandDataOffer *offer = wl_resource_get_user_data (resource); - MetaWaylandSeat *seat; - - if (offer->source) - { - seat = meta_wayland_data_source_get_seat (offer->source); - - if (offer == meta_wayland_data_source_get_current_offer (offer->source)) - { - if (seat->data_device.dnd_data_source == offer->source) - { - if (wl_resource_get_version (offer->resource) < - WL_DATA_OFFER_ACTION_SINCE_VERSION) - meta_wayland_data_source_notify_finish (offer->source); - else if (meta_wayland_data_source_get_drop_performed (offer->source)) - meta_wayland_data_source_cancel (offer->source); - } - else - { - meta_wayland_data_source_set_current_offer (offer->source, NULL); - meta_wayland_data_source_set_has_target (offer->source, FALSE); - } - } - - g_object_remove_weak_pointer (G_OBJECT (offer->source), - (gpointer *)&offer->source); - offer->source = NULL; - } - - meta_display_sync_wayland_input_focus (meta_get_display ()); - g_free (offer); -} - -MetaWaylandDataOffer * -meta_wayland_data_offer_new (MetaSelectionType selection_type, - MetaWaylandDataSource *source, - struct wl_resource *target) -{ - MetaWaylandDataOffer *offer; - - offer = g_new0 (MetaWaylandDataOffer, 1); - offer->selection_type = selection_type; - offer->resource = wl_resource_create (wl_resource_get_client (target), - &wl_data_offer_interface, - wl_resource_get_version (target), 0); - wl_resource_set_implementation (offer->resource, - &data_offer_interface, - offer, - destroy_data_offer); - if (source) - { - offer->source = source; - g_object_add_weak_pointer (G_OBJECT (source), (gpointer *)&offer->source); - } - - return offer; -} - -static enum wl_data_device_manager_dnd_action -data_offer_choose_action (MetaWaylandDataOffer *offer) -{ - MetaWaylandDataSource *source = offer->source; - uint32_t actions, user_action, available_actions; - - if (wl_resource_get_version (offer->resource) < - WL_DATA_OFFER_ACTION_SINCE_VERSION) - return WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY; - - meta_wayland_data_source_get_actions (source, &actions); - user_action = meta_wayland_data_source_get_user_action (source); - - available_actions = actions & offer->dnd_actions; - - if (!available_actions) - return WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE; - - /* If the user is forcing an action, go for it */ - if ((user_action & available_actions) != 0) - return user_action; - - /* If the dest side has a preferred DnD action, use it */ - if ((offer->preferred_dnd_action & available_actions) != 0) - return offer->preferred_dnd_action; - - /* Use the first found action, in bit order */ - return 1 << (ffs (available_actions) - 1); -} - -void -meta_wayland_data_offer_update_action (MetaWaylandDataOffer *offer) -{ - enum wl_data_device_manager_dnd_action current_action, action; - MetaWaylandDataSource *source; - - if (!offer->source) - return; - - source = offer->source; - current_action = meta_wayland_data_source_get_current_action (source); - action = data_offer_choose_action (offer); - - if (current_action == action) - return; - - meta_wayland_data_source_set_current_action (source, action); - - if (!meta_wayland_data_source_get_in_ask (source) && - wl_resource_get_version (offer->resource) >= - WL_DATA_OFFER_ACTION_SINCE_VERSION) - { - wl_data_offer_send_action (offer->resource, action); - offer->action_sent = TRUE; - } -} - -struct wl_resource * -meta_wayland_data_offer_get_resource (MetaWaylandDataOffer *offer) -{ - return offer->resource; -} - -MetaWaylandDataSource * -meta_wayland_data_offer_get_source (MetaWaylandDataOffer *offer) -{ - return offer->source; -} |