#ifndef ECLIENT_H
#define ECLIENT_H
+#include "rights.h"
+
/* Asynchronous client interface */
/** @brief Handle type */
typedef struct disorder_eclient_log_callbacks {
/** @brief Called on (re-)connection */
void (*connected)(void *v);
-
+
+ /** @brief Called when @p track finished playing successfully */
void (*completed)(void *v, const char *track);
+
+ /** @brief Called when @p track fails for some reason */
void (*failed)(void *v, const char *track, const char *status);
+
+ /** @brief Called when @p user moves some track or tracks in the queue
+ *
+ * Fetch the queue again to find out what the new order is - the
+ * rearrangement could in principle be arbitrarily complicated.
+ */
void (*moved)(void *v, const char *user);
+
+ /** @brief Called when @p track starts playing
+ *
+ * @p user might be 0.
+ */
void (*playing)(void *v, const char *track, const char *user/*maybe 0*/);
+
+ /** @brief Called when @p q is added to the queue
+ *
+ * Fetch the queue again to find out where the in the queue it was added.
+ */
void (*queue)(void *v, struct queue_entry *q);
+
+ /** @brief Called when @p q is added to the recent list */
void (*recent_added)(void *v, struct queue_entry *q);
+
+ /** @brief Called when @p id is removed from the recent list */
void (*recent_removed)(void *v, const char *id);
+
+ /** @brief Called when @id is removed from the queue
+ *
+ * @p user might be 0.
+ */
void (*removed)(void *v, const char *id, const char *user/*maybe 0*/);
+
+ /** @brief Called when @p track is scratched */
void (*scratched)(void *v, const char *track, const char *user);
+
+ /** @brief Called with the current state whenever it changes
+ *
+ * State bits are:
+ * - @ref DISORDER_PLAYING_ENABLED
+ * - @ref DISORDER_RANDOM_ENABLED
+ * - @ref DISORDER_TRACK_PAUSED
+ * - @ref DISORDER_PLAYING
+ * - @ref DISORDER_CONNECTED
+ */
void (*state)(void *v, unsigned long state);
+
+ /** @brief Called when the volume changes */
void (*volume)(void *v, int left, int right);
+
+ /** @brief Called when a rescan completes */
void (*rescanned)(void *v);
+
+ /** @brief Called when a user is created (admins only) */
+ void (*user_add)(void *v, const char *user);
+
+ /** @brief Called when a user is confirmed (admins only) */
+ void (*user_confirm)(void *v, const char *user);
+
+ /** @brief Called when a user is deleted (admins only) */
+ void (*user_delete)(void *v, const char *user);
+
+ /** @brief Called when a user is edited (admins only) */
+ void (*user_edit)(void *v, const char *user, const char *property);
+
+ /** @brief Called when your rights change */
+ void (*rights_changed)(void *v, rights_type new_rights);
} disorder_eclient_log_callbacks;
/* State bits */
struct sink;
/* Completion callbacks. These provide the result of operations to the caller.
- * It is always allowed for these to be null pointers if you don't care about
- * the result. */
+ * Unlike in earlier releases, these are not allowed to be NULL. */
/** @brief Trivial completion callback
* @param v User data
/** @brief String result completion callback
* @param v User data
* @param error Error string or NULL on succes
- * @param value or NULL if not found
+ * @param value Result or NULL
*
* @p error will be NULL on success. In this case @p value will be the result
* (which might be NULL for disorder_eclient_get(),
const char *error,
const char *value);
-typedef void disorder_eclient_integer_response(void *v, long value);
-/* completion callback with a integer result */
-
-typedef void disorder_eclient_volume_response(void *v, int l, int r);
-/* completion callback with a pair of integer results */
+/** @brief String result completion callback
+ * @param v User data
+ * @param error Error string or NULL on succes
+ * @param value Result or 0
+ *
+ * @p error will be NULL on success. In this case @p value will be the result.
+ *
+ * @p error will be non-NULL on failure. In this case @p value is always 0.
+ */
+typedef void disorder_eclient_integer_response(void *v,
+ const char *error,
+ long value);
+/** @brief Volume completion callback
+ * @param v User data
+ * @param error Error string or NULL on success
+ * @param l Left channel volume
+ * @param r Right channel volume
+ *
+ * @p error will be NULL on success. In this case @p l and @p r will be the
+ * result.
+ *
+ * @p error will be non-NULL on failure. In this case @p l and @p r are always
+ * 0.
+ */
+typedef void disorder_eclient_volume_response(void *v,
+ const char *error,
+ int l, int r);
-typedef void disorder_eclient_queue_response(void *v, struct queue_entry *q);
-/* completion callback for queue/recent listing */
+/** @brief Queue request completion callback
+ * @param v User data
+ * @param error Error string or NULL on success
+ * @param q Head of queue data list
+ *
+ * @p error will be NULL on success. In this case @p q will be the (head of
+ * the) result.
+ *
+ * @p error will be non-NULL on failure. In this case @p q may be NULL but
+ * MIGHT also be some subset of the queue. For consistent behavior it should
+ * be ignored in the error case.
+ */
+typedef void disorder_eclient_queue_response(void *v,
+ const char *error,
+ struct queue_entry *q);
-typedef void disorder_eclient_list_response(void *v, int nvec, char **vec);
-/* completion callback for file listing etc */
+/** @brief List request completion callback
+ * @param v User data
+ * @param error Error string or NULL on success
+ * @param nvec Number of elements in response list
+ * @param vec Pointer to response list
+ *
+ * @p error will be NULL on success. In this case @p nvec and @p vec will give
+ * the result.
+ *
+ * @p error will be non-NULL on failure. In this case @p nvec and @p vec will
+ * be 0 and NULL.
+ */
+typedef void disorder_eclient_list_response(void *v,
+ const char *error,
+ int nvec, char **vec);
disorder_eclient *disorder_eclient_new(const disorder_eclient_callbacks *cb,
void *u);