C++ (Cpp) gf_term_resolve_xlinkの例

コード例 #1

ファイル: svg_external.c プロジェクト: Bevara/GPAC

GF_EXPORT
GF_Err gf_term_get_mfurl_from_xlink(GF_Node *node, MFURL *mfurl)
{
	u32 stream_id = 0;
	GF_Err e = GF_OK;
	SFURL *sfurl = NULL;
	GF_FieldInfo info;
	XMLRI *iri;
	GF_Scene *scene = gf_sg_get_private(gf_node_get_graph(node));
	if (!scene) return GF_BAD_PARAM;

	gf_sg_vrml_mf_reset(mfurl, GF_SG_VRML_MFURL);

	e = gf_node_get_attribute_by_tag(node, TAG_XLINK_ATT_href, 0, 0, &info);
	if (e) return e;

	iri = (XMLRI*)info.far_ptr;

	if (iri->type==XMLRI_STREAMID) {
		stream_id = iri->lsr_stream_id;
	} else if (!iri->string) return GF_OK;

	mfurl->count = 1;
	GF_SAFEALLOC(mfurl->vals, SFURL)
	sfurl = mfurl->vals;
	sfurl->OD_ID = stream_id;
	if (stream_id) return GF_OK;

	if (!strncmp(iri->string, "data:", 5)) {
		const char *cache_dir = gf_cfg_get_key(scene->root_od->term->user->config, "General", "CacheDirectory");
		e = gf_node_store_embedded_data(iri, cache_dir, "embedded_");
		if (e) return e;
		sfurl->url = gf_strdup(iri->string);
		return GF_OK;
	}
	sfurl->url = gf_term_resolve_xlink(node, iri->string);
	return e;
}

コード例 #2

ファイル: svg_grouping.c プロジェクト: golgol7777/gpac

static void svg_a_handle_event(GF_Node *handler, GF_DOM_Event *event, GF_Node *observer)
{
	GF_Compositor *compositor;
	GF_Event evt;
	SVG_Element *a;
	SVGAllAttributes all_atts;

	if (event->event_phase & GF_DOM_EVENT_PHASE_PREVENT) return;

	assert(gf_node_get_tag((GF_Node*)event->currentTarget->ptr)==TAG_SVG_a);
	a = (SVG_Element *) event->currentTarget->ptr;
	gf_svg_flatten_attributes(a, &all_atts);

	compositor = (GF_Compositor *)gf_node_get_private((GF_Node *)handler);

	if (!compositor->user->EventProc) return;
	if (!all_atts.xlink_href) return;

	if (event->type==GF_EVENT_MOUSEOVER) {
		evt.type = GF_EVENT_NAVIGATE_INFO;
		
		if (all_atts.xlink_title) evt.navigate.to_url = *all_atts.xlink_title;
		else if (all_atts.xlink_href->string) evt.navigate.to_url = all_atts.xlink_href->string;
		else {
			evt.navigate.to_url = gf_node_get_name(all_atts.xlink_href->target);
			if (!evt.navigate.to_url) evt.navigate.to_url = "document internal link";
		}

		gf_term_send_event(compositor->term, &evt);
		return;
	}

	evt.type = GF_EVENT_NAVIGATE;
	
	if (all_atts.xlink_href->type == XMLRI_STRING) {
		evt.navigate.to_url = gf_term_resolve_xlink(handler, all_atts.xlink_href->string);
		if (evt.navigate.to_url) {
			if (all_atts.target) {
				evt.navigate.parameters = (const char **) &all_atts.target;
				evt.navigate.param_count = 1;
			} else {
				evt.navigate.parameters = NULL;
				evt.navigate.param_count = 0;
			}

			if (evt.navigate.to_url[0] != '#') {
				if (compositor->term) {
					gf_scene_process_anchor(handler, &evt);
				} else {
					gf_term_send_event(compositor->term, &evt);
				}
				gf_free((char *)evt.navigate.to_url);
				return;
			}
			all_atts.xlink_href->target = gf_sg_find_node_by_name(gf_node_get_graph(handler), (char *) evt.navigate.to_url+1);
			if (all_atts.xlink_href->target) {
				all_atts.xlink_href->type = XMLRI_ELEMENTID;
				gf_free((char *)evt.navigate.to_url);
			} else {
				svg_a_set_view(handler, compositor, evt.navigate.to_url + 1);
				gf_free((char *)evt.navigate.to_url);
				return;
			}
		}
	}
	if (!all_atts.xlink_href->target) {
		return;
	} 
	/*this is a time event*/
	if (is_timing_target(all_atts.xlink_href->target)) {
		gf_smil_timing_insert_clock(all_atts.xlink_href->target, 0, gf_node_get_scene_time((GF_Node *)handler) );
	} 
	/*this is an implicit SVGView event*/
	else {
		svg_a_set_view(handler, compositor, gf_node_get_name(all_atts.xlink_href->target));
	}
}