gui/queue: Add flags to the gui queue

This will be used to determine if the random and random buttons should
be enabled.

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>

gui/collection_tab.cpp

@@ -56,7 +56,7 @@ static CollectionTab *collection_tab;
 
 static void *collection_init(struct queue *queue)
 {
-	return gui_queue_alloc(queue, "Collection");
+	return gui_queue_alloc(queue, "Collection", GQ_CAN_RANDOM);
 }
 
 static void collection_added(struct queue *queue, unsigned int pos)

gui/history.cpp

@@ -41,7 +41,7 @@ static HistoryTab *history_tab;
 
 static void *history_init(struct queue *queue)
 {
-	return gui_queue_alloc(queue, "History");
+	return gui_queue_alloc(queue, "History", 0);
 }
 
 static void history_added(struct queue *queue, unsigned int pos)

gui/playlist_tab.cpp

@@ -87,7 +87,7 @@ static void on_favorite()
 
 static void *playlist_init(struct queue *queue)
 {
-	return gui_queue_alloc(queue, "Playlist");
+	return gui_queue_alloc(queue, "Playlist", 0);
 }
 
 static void playlist_added(struct queue *queue, unsigned int pos)

gui/queue.c

@@ -3,12 +3,15 @@
  */
 #include <gui/queue.h>
 
-struct gui_queue *gui_queue_alloc(struct queue *queue, const gchar *text)
+struct gui_queue *gui_queue_alloc(struct queue *queue, const gchar *text,
+				  unsigned int flags)
 {
 	struct gui_queue *gq = g_malloc(sizeof(struct gui_queue));
 
-	gq->gq_queue = queue;
+	gq->gq_flags = flags;
 	gq->gq_text  = g_strdup(text);
+	gq->gq_queue = queue;
+
 	return gq;
 }
 

gui/tabs.cpp

@@ -26,7 +26,8 @@ static compare_t sort_fields[] = {
 
 static void *tempq_init(struct queue *queue)
 {
-	return gui_queue_alloc(queue, "Queued Tracks");
+	return gui_queue_alloc(queue, "Queued Tracks",
+			       GQ_CAN_RANDOM | GQ_CAN_REPEAT);
 }
 
 static void tempq_added(struct queue *queue, unsigned int pos)

include/gui/queue.h

@@ -6,14 +6,21 @@
 
 #include <core/queue.h>
 
+enum gui_queue_flags {
+	GQ_CAN_RANDOM = (1 << 0), /* Random button can be clicked. */
+	GQ_CAN_REPEAT = (1 << 1), /* Repeat button can be clicked. */
+};
+
 struct gui_queue {
-	struct queue *gq_queue;
+	unsigned int  gq_flags;
 	gchar        *gq_text;
+
+	struct queue *gq_queue;
 };
 
 
 /* Called to allocate a new struct gui_queue. */
-struct gui_queue *gui_queue_alloc(struct queue *, const gchar *);
+struct gui_queue *gui_queue_alloc(struct queue *, const gchar *, unsigned int);
 
 /* Called to free a struct gui_queue. */
 void gui_queue_free(struct queue *);
@@ -24,4 +31,20 @@ static inline struct gui_queue *gui_queue(struct queue *queue)
 	return (struct gui_queue *)queue->q_private;
 }
 
+/* Called to ask the struct gui_queue if it can change random flag. */
+static inline bool gui_queue_can_random(struct gui_queue *gq)
+{
+	if (gq)
+		return (gq->gq_flags & GQ_CAN_RANDOM) == GQ_CAN_RANDOM;
+	return false;
+}
+
+/* Called to ask the struct gui_queue if it can change repeat flag. */
+static inline bool gui_queue_can_repeat(struct gui_queue *gq)
+{
+	if (gq)
+		return (gq->gq_flags & GQ_CAN_REPEAT) == GQ_CAN_REPEAT;
+	return false;
+}
+
 #endif /* OCARINA_GUI_QUEUE_H */

tests/gui/queue.c

@@ -6,7 +6,8 @@
 
 static void *test_queue_init(struct queue *queue)
 {
-	return gui_queue_alloc(queue, "Test Queue");
+	return gui_queue_alloc(queue, "Test Queue",
+			       GQ_CAN_RANDOM | GQ_CAN_REPEAT);
 }
 
 void __test_queue_clear(struct queue *queue, unsigned int n) {}
@@ -22,11 +23,23 @@ static void test_queue()
 	struct gui_queue *gq;
 	struct queue q;
 
+	test_equal(gui_queue_can_random(NULL), (bool)false);
+	test_equal(gui_queue_can_repeat(NULL), (bool)false);
+
 	queue_init(&q, 0, &test_ops);
 	gq = gui_queue(&q);
 
 	test_not_equal((void *)gq, NULL);
 	test_equal((void *)gq->gq_queue, (void *)&q);
+	test_equal(gq->gq_text, "Test Queue");
+
+	test_equal(gq->gq_flags, GQ_CAN_RANDOM | GQ_CAN_REPEAT);
+	test_equal(gui_queue_can_random(gq), (bool)true);
+	test_equal(gui_queue_can_repeat(gq), (bool)true);
+
+	gq->gq_flags = 0;
+	test_equal(gui_queue_can_random(gq), (bool)false);
+	test_equal(gui_queue_can_repeat(gq), (bool)false);
 
 	queue_deinit(&q);
 	test_equal((void *)gui_queue(&q), NULL);