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/*
* Copyright 2017 Konsulko Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <json-c/json.h>
#include <afb/afb-binding.h>
#include "mediaplayer-manager.h"
const struct afb_binding_interface *afbitf;
static struct afb_event media_added_event;
static struct afb_event media_removed_event;
/*
* @brief Subscribe for an event
*
* @param struct afb_req : an afb request structure
*
*/
static void subscribe(struct afb_req request)
{
const char *value = afb_req_value(request, "value");
if(value) {
if(!strcasecmp(value, "media_added")) {
afb_req_subscribe(request, media_added_event);
} else if(!strcasecmp(value, "media_removed")) {
afb_req_subscribe(request, media_removed_event);
} else {
afb_req_fail(request, "failed", "Invalid event");
return;
}
}
afb_req_success(request, NULL, NULL);
}
/*
* @brief Unsubscribe for an event
*
* @param struct afb_req : an afb request structure
*
*/
static void unsubscribe(struct afb_req request)
{
const char *value = afb_req_value(request, "value");
if(value) {
if(!strcasecmp(value, "media_added")) {
afb_req_unsubscribe(request, media_added_event);
} else if(!strcasecmp(value, "media_removed")) {
afb_req_unsubscribe(request, media_removed_event);
} else {
afb_req_fail(request, "failed", "Invalid event");
return;
}
}
afb_req_success(request, NULL, NULL);
}
static json_object *new_json_object_from_device(GList *list)
{
json_object *jarray = json_object_new_array();
json_object *jresp = json_object_new_object();
json_object *jstring = NULL;
GList *l;
for (l = list; l; l = l->next)
{
jstring = json_object_new_string(l->data);
json_object_array_add(jarray, jstring);
}
json_object_object_add(jresp, "Media", jarray);
// TODO: Add media path
jstring = json_object_new_string("");
json_object_object_add(jresp, "Path", jstring);
return jresp;
}
static void media_results_get (struct afb_req request)
{
GList *list;
json_object *jresp = NULL;
ListLock();
list = media_lightmediascanner_scan();
if (list == NULL) {
afb_req_fail(request, "failed", "media scan error");
ListUnlock();
return;
}
jresp = new_json_object_from_device(list);
ListUnlock();
if (jresp == NULL) {
afb_req_fail(request, "failed", "media parsing error");
return;
}
afb_req_success(request, jresp, "Media Results Displayed");
}
static void media_broadcast_device_added (GList *list)
{
json_object *jresp = new_json_object_from_device(list);
afb_event_push(media_added_event, jresp);
}
/*
* TODO: support multiple devices
*/
static void media_broadcast_device_removed (const char *obj_path)
{
json_object *jresp = json_object_new_object();
json_object *jstring = json_object_new_string(obj_path);
json_object_object_add(jresp, "Path", jstring);
afb_event_push(media_removed_event, jresp);
}
static const struct afb_verb_desc_v1 binding_verbs[] = {
{ "media_result", AFB_SESSION_CHECK, media_results_get, "Media scan result" },
{ "subscribe", AFB_SESSION_CHECK, subscribe, "Subscribe for an event" },
{ "unsubscribe", AFB_SESSION_CHECK, unsubscribe, "Unsubscribe for an event" },
{ NULL }
};
static const struct afb_binding binding_description = {
.type = AFB_BINDING_VERSION_1,
.v1 = {
.prefix = "media-manager",
.info = "mediaplayer API",
.verbs = binding_verbs,
}
};
const struct afb_binding
*afbBindingV1Register(const struct afb_binding_interface *itf)
{
afbitf = itf;
Binding_RegisterCallback_t API_Callback;
API_Callback.binding_device_added = media_broadcast_device_added;
API_Callback.binding_device_removed = media_broadcast_device_removed;
BindingAPIRegister(&API_Callback);
MediaPlayerManagerInit();
return &binding_description;
}
int afbBindingV1ServiceInit(struct afb_service service)
{
media_added_event = afb_daemon_make_event(afbitf->daemon, "media_added");
media_removed_event = afb_daemon_make_event(afbitf->daemon, "media_removed");
return 0;
}
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