399 lines
11 KiB
C
399 lines
11 KiB
C
#include "e.h"
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#include "e_comp_wl.h"
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#include "e_comp_wl_data.h"
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static void
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_e_comp_wl_data_offer_cb_accept(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, uint32_t serial, const char *mime_type)
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{
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E_Comp_Wl_Data_Offer *offer;
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if (!(offer = wl_resource_get_user_data(resource)))
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return;
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if (offer->source)
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offer->source->target(offer->source, serial, mime_type);
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}
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static void
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_e_comp_wl_data_offer_cb_receive(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, const char *mime_type, int32_t fd)
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{
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E_Comp_Wl_Data_Offer *offer;
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if (!(offer = wl_resource_get_user_data(resource)))
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return;
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if (offer->source)
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offer->source->send(offer->source, mime_type, fd);
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else
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close(fd);
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}
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/* called by wl_data_offer_destroy */
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static void
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_e_comp_wl_data_offer_cb_destroy(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
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{
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wl_resource_destroy(resource);
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}
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/* called by wl_resource_destroy */
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static void
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_e_comp_wl_data_offer_cb_resource_destroy(struct wl_resource *resource)
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{
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E_Comp_Wl_Data_Offer *offer;
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if (!(offer = wl_resource_get_user_data(resource)))
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return;
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if (offer->source)
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wl_list_remove(&offer->source_destroy_listener.link);
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free(offer);
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}
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/* called by emission of source->destroy_signal */
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static void
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_e_comp_wl_data_offer_cb_source_destroy(struct wl_listener *listener, void *data EINA_UNUSED)
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{
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E_Comp_Wl_Data_Offer *offer;
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offer = container_of(listener, E_Comp_Wl_Data_Offer,
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source_destroy_listener);
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if (!offer) return;
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offer->source = NULL;
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}
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static const struct wl_data_offer_interface _e_data_offer_interface =
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{
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_e_comp_wl_data_offer_cb_accept,
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_e_comp_wl_data_offer_cb_receive,
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_e_comp_wl_data_offer_cb_destroy,
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};
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static void
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_e_comp_wl_data_source_cb_offer(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, const char *mime_type)
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{
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E_Comp_Wl_Data_Source *source;
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if (!(source = wl_resource_get_user_data(resource)))
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return;
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source->mime_types =
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eina_list_append(source->mime_types, eina_stringshare_add(mime_type));
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}
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/* called by wl_data_source_destroy */
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static void
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_e_comp_wl_data_source_cb_destroy(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
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{
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wl_resource_destroy(resource);
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}
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/* called by wl_resource_destroy */
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static void
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_e_comp_wl_data_source_cb_resource_destroy(struct wl_resource *resource)
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{
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E_Comp_Wl_Data_Source *source;
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char *t;
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if (!(source = wl_resource_get_user_data(resource)))
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return;
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wl_signal_emit(&source->destroy_signal, source);
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EINA_LIST_FREE(source->mime_types, t)
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eina_stringshare_del(t);
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free(source);
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}
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static void
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_e_comp_wl_data_source_target_send(E_Comp_Wl_Data_Source *source, uint32_t serial EINA_UNUSED, const char* mime_type)
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{
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wl_data_source_send_target(source->resource, mime_type);
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}
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static void
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_e_comp_wl_data_source_send_send(E_Comp_Wl_Data_Source *source, const char* mime_type, int32_t fd)
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{
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wl_data_source_send_send(source->resource, mime_type, fd);
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close(fd);
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}
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static void
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_e_comp_wl_data_source_cancelled_send(E_Comp_Wl_Data_Source *source)
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{
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wl_data_source_send_cancelled(source->resource);
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}
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static const struct wl_data_source_interface _e_data_source_interface =
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{
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_e_comp_wl_data_source_cb_offer,
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_e_comp_wl_data_source_cb_destroy,
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};
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static void
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_e_comp_wl_data_device_destroy_selection_data_source(struct wl_listener *listener, void *data)
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{
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E_Comp_Wl_Data *cdata;
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E_Comp_Wl_Data_Source *source;
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struct wl_resource *data_device_res;
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if (!(source = (E_Comp_Wl_Data_Source*)data))
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return;
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if (!(cdata = container_of(listener, E_Comp_Wl_Data,
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selection.data_source_listener)))
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return;
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cdata->selection.data_source = NULL;
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/* TODO: get data device from a focused surface */
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data_device_res =
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_e_comp_wl_data_find_for_client(cdata->mgr.data_resources,
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wl_resource_get_client(source->resource));
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if (data_device_res)
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wl_data_device_send_selection(data_device_res, NULL);
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wl_signal_emit(&cdata->selection.signal, cdata);
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}
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static struct wl_resource*
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_e_comp_wl_data_device_data_offer_create(E_Comp_Wl_Data_Source *source, struct wl_resource *data_device_res)
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{
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E_Comp_Wl_Data_Offer *offer;
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Eina_List *l;
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char *t;
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offer = E_NEW(E_Comp_Wl_Data_Offer, 1);
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if (!offer) return NULL;
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offer->resource = wl_resource_create(wl_resource_get_client(data_device_res), &wl_data_offer_interface, 1, 0);
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if (!offer->resource)
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{
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free(offer);
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return NULL;
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}
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wl_resource_set_implementation(offer->resource,
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&_e_data_offer_interface, offer,
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_e_comp_wl_data_offer_cb_resource_destroy);
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offer->source = source;
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offer->source_destroy_listener.notify =
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_e_comp_wl_data_offer_cb_source_destroy;
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wl_signal_add(&source->destroy_signal, &offer->source_destroy_listener);
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wl_data_device_send_data_offer(data_device_res, offer->resource);
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EINA_LIST_FOREACH(source->mime_types, l, t)
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wl_data_offer_send_offer(offer->resource, t);
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return offer->resource;
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}
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static void
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_e_comp_wl_data_device_cb_drag_start(struct wl_client *client EINA_UNUSED, struct wl_resource *resource EINA_UNUSED, struct wl_resource *source_resource EINA_UNUSED, struct wl_resource *origin_resource EINA_UNUSED, struct wl_resource *icon_resource EINA_UNUSED, uint32_t serial EINA_UNUSED)
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{
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}
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static void
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_e_comp_wl_data_device_cb_selection_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource EINA_UNUSED, struct wl_resource *source_resource EINA_UNUSED, uint32_t serial EINA_UNUSED)
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{
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E_Comp_Wl_Data *cdata;
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E_Comp_Wl_Data_Source *source, *sel_source;
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struct wl_resource *offer_res, *data_device_res;
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if (!source_resource) return;
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if (!(cdata = wl_resource_get_user_data(resource))) return;
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source = wl_resource_get_user_data(source_resource);
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sel_source = (E_Comp_Wl_Data_Source*)cdata->selection.data_source;
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if ((sel_source) &&
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(cdata->selection.serial - serial < UINT32_MAX / 2))
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return;
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if (sel_source)
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{
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if (sel_source->cancelled)
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sel_source->cancelled(sel_source);
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wl_list_remove(&cdata->selection.data_source_listener.link);
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cdata->selection.data_source = NULL;
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}
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cdata->selection.data_source = sel_source = source;
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cdata->selection.serial = serial;
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/* TODO: get data device from a focused surface */
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data_device_res =
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_e_comp_wl_data_find_for_client(cdata->mgr.data_resources,
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wl_resource_get_client(source->resource));
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if ((data_device_res) && (source))
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{
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offer_res =
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_e_comp_wl_data_device_data_offer_create(source, data_device_res);
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wl_data_device_send_selection(data_device_res, offer_res);
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}
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else if (data_device_res)
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{
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wl_data_device_send_selection(data_device_res, NULL);
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}
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wl_signal_emit(&cdata->selection.signal, cdata);
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if (source)
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{
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cdata->selection.data_source_listener.notify =
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_e_comp_wl_data_device_destroy_selection_data_source;
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wl_signal_add(&source->destroy_signal,
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&cdata->selection.data_source_listener);
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}
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}
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static const struct wl_data_device_interface _e_data_device_interface =
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{
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_e_comp_wl_data_device_cb_drag_start,
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_e_comp_wl_data_device_cb_selection_set,
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};
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static void
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_e_comp_wl_data_device_cb_unbind(struct wl_resource *resource)
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{
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E_Comp_Wl_Data *cdata;
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if(!(cdata = wl_resource_get_user_data(resource)))
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return;
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cdata->mgr.data_resources =
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eina_list_remove(cdata->mgr.data_resources, resource);
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}
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static void
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_e_comp_wl_data_manager_cb_source_create(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, uint32_t id EINA_UNUSED)
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{
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E_Comp_Wl_Data_Source *source;
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source = E_NEW(E_Comp_Wl_Data_Source, 1);
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if (!source)
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{
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wl_resource_post_no_memory(resource);
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return;
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}
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wl_signal_init(&source->destroy_signal);
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source->target = _e_comp_wl_data_source_target_send;
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source->send = _e_comp_wl_data_source_send_send;
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source->cancelled = _e_comp_wl_data_source_cancelled_send;
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source->resource =
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wl_resource_create(client, &wl_data_source_interface, 1, id);
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if (!source->resource)
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{
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ERR("Could not create data source resource: %m");
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free(source);
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wl_resource_post_no_memory(resource);
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return;
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}
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wl_resource_set_implementation(source->resource,
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&_e_data_source_interface, source,
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_e_comp_wl_data_source_cb_resource_destroy);
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}
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static void
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_e_comp_wl_data_manager_cb_device_get(struct wl_client *client, struct wl_resource *manager_resource, uint32_t id, struct wl_resource *seat_resource)
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{
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E_Comp_Wl_Data *cdata;
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struct wl_resource *res;
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DBG("Comp_Wl_Data: Get Data Device");
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/* try to get the compositor data */
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if (!(cdata = wl_resource_get_user_data(seat_resource))) return;
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/* try to create the data device resource */
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res = wl_resource_create(client, &wl_data_device_interface, 1, id);
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if (!res)
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{
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ERR("Could not create data device resource: %m");
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wl_resource_post_no_memory(manager_resource);
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return;
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}
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cdata->mgr.data_resources =
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eina_list_append(cdata->mgr.data_resources, res);
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wl_resource_set_implementation(res, &_e_data_device_interface, cdata,
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_e_comp_wl_data_device_cb_unbind);
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}
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static const struct wl_data_device_manager_interface _e_manager_interface =
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{
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_e_comp_wl_data_manager_cb_source_create,
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_e_comp_wl_data_manager_cb_device_get
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};
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/* static void */
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/* _e_comp_wl_data_cb_unbind_manager(struct wl_resource *resource) */
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/* { */
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/* E_Comp_Wl_Data *cdata; */
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/* DBG("Comp_Wl_Data: Unbind Manager"); */
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/* if (!(cdata = wl_resource_get_user_data(resource))) return; */
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/* cdata->mgr.resource = NULL; */
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/* } */
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static void
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_e_comp_wl_data_cb_bind_manager(struct wl_client *client, void *data, uint32_t version EINA_UNUSED, uint32_t id)
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{
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E_Comp_Wl_Data *cdata;
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struct wl_resource *res;
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if (!(cdata = data)) return;
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DBG("Comp_Wl_Data: Bind Manager");
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/* try to create data manager resource */
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res = wl_resource_create(client, &wl_data_device_manager_interface, 1, id);
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if (!res)
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{
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ERR("Could not create data device manager: %m");
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(res, &_e_manager_interface, cdata, NULL);
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}
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EINTERN Eina_Bool
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e_comp_wl_data_manager_init(E_Comp_Wl_Data *cdata)
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{
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/* check for valid compositor data */
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if (!cdata) return EINA_FALSE;
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/* try to create global data manager */
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cdata->mgr.global =
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wl_global_create(cdata->wl.disp, &wl_data_device_manager_interface, 1,
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cdata, _e_comp_wl_data_cb_bind_manager);
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if (!cdata->mgr.global)
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{
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ERR("Could not create global for data device manager: %m");
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return EINA_FALSE;
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}
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wl_signal_init(&cdata->selection.signal);
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return EINA_TRUE;
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}
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EINTERN void
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e_comp_wl_data_manager_shutdown(E_Comp_Wl_Data *cdata EINA_UNUSED)
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{
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/* destroy the global manager resource */
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/* if (cdata->mgr.global) wl_global_destroy(cdata->mgr.global); */
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}
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