From 7c7436da5f2e7d230e379c444c77298b99ed90ac Mon Sep 17 00:00:00 2001
From: waker <wakeroid@gmail.com>
Date: Sun, 23 Oct 2011 16:35:59 +0200
Subject: after switching to shuffle-albums mode, while playing a track, mark
 all previous album tracks as played

---
 playlist.c |  8 ++++++--
 streamer.c | 24 ++++++++++++++++++++++++
 streamer.h |  3 +++
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/playlist.c b/playlist.c
index f83cc480..3a2ebf45 100644
--- a/playlist.c
+++ b/playlist.c
@@ -105,7 +105,7 @@ static playlist_t dummy_playlist = {
     .refc = 1
 }; 
 
-static int pl_order; // mirrors "playback.order" config variable
+static int pl_order = -1; // mirrors "playback.order" config variable
 
 static int no_remove_notify;
 
@@ -113,12 +113,16 @@ static playlist_t *addfiles_playlist; // current playlist for adding files/folde
 
 void
 pl_set_order (int order) {
-    if (pl_order != order || pl_order == PLAYBACK_ORDER_SHUFFLE_TRACKS || pl_order == PLAYBACK_ORDER_SHUFFLE_ALBUMS) {
+    int prev_order = pl_order;
+
+    if (pl_order != order) {
         pl_order = order;
         for (playlist_t *plt = playlists_head; plt; plt = plt->next) {
             plt_reshuffle (plt, NULL, NULL);
         }
     }
+
+    streamer_notify_order_changed (prev_order, pl_order);
 }
 
 int
diff --git a/streamer.c b/streamer.c
index e5aecfa3..cfb61090 100644
--- a/streamer.c
+++ b/streamer.c
@@ -2243,3 +2243,27 @@ void
 streamer_get_output_format (ddb_waveformat_t *fmt) {
     memcpy (fmt, &output_format, sizeof (ddb_waveformat_t));
 }
+
+void
+streamer_notify_order_changed (int prev_order, int new_order) {
+    if (prev_order != PLAYBACK_ORDER_SHUFFLE_ALBUMS && new_order == PLAYBACK_ORDER_SHUFFLE_ALBUMS) {
+        streamer_lock ();
+        playItem_t *curr = playing_track;
+        if (curr) {
+
+            const char *alb = pl_find_meta_raw (curr, "album");
+            const char *art = pl_find_meta_raw (curr, "artist");
+            playItem_t *next = curr->prev[PL_MAIN];
+            while (next) {
+                if (alb == pl_find_meta_raw (next, "album") && art == pl_find_meta_raw (next, "artist")) {
+                    next->played = 1;
+                    next = next->prev[PL_MAIN];
+                }
+                else {
+                    break;
+                }
+            }
+        }
+        streamer_unlock ();
+    }
+}
diff --git a/streamer.h b/streamer.h
index a0414e46..8703c661 100644
--- a/streamer.h
+++ b/streamer.h
@@ -127,4 +127,7 @@ streamer_dsp_postinit (void);
 int
 streamer_dsp_chain_save (const char *fname, ddb_dsp_context_t *chain);
 
+void
+streamer_notify_order_changed (int prev_order, int new_order);
+
 #endif // __STREAMER_H
-- 
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