herrie: playq_xmms.c Source File

00001 /*
00002  * Copyright (c) 2006-2009 Ed Schouten <ed@80386.nl>
00003  * All rights reserved.
00004  * 
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 
00014  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
00015  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00016  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00017  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
00018  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00019  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00020  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00021  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00022  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00023  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00024  * SUCH DAMAGE.
00025  */
00031 #include "stdinc.h"
00032 
00033 #include "gui.h"
00034 #include "playq.h"
00035 #include "playq_modules.h"
00036 #include "vfs.h"
00037 
00041 static struct vfsref *cursong = NULL;
00045 static struct vfsref *selectsong = NULL;
00046 
00047 struct vfsref *
00048 playq_xmms_give(void)
00049 {
00050         struct vfsref *vr = NULL;
00051 
00052         if (cursong != NULL)
00053                 /* Unmark it */
00054                 vfs_unmark(cursong);
00055 
00056         if (selectsong != NULL) {
00057                 /* Selected song has the highest priority */
00058                 cursong = selectsong;
00059                 selectsong = NULL;
00060         } else if (cursong != NULL) {
00061                 /* Song after current song */
00062                 cursong = vfs_list_next(cursong);
00063                 /* We've reached the end */
00064                 if (cursong == NULL && playq_repeat)
00065                         cursong = vfs_list_first(&playq_list);
00066         } else {
00067                 cursong = vfs_list_first(&playq_list);
00068         }
00069 
00070         if (cursong != NULL) {
00071                 vfs_mark(cursong);
00072                 vr = vfs_dup(cursong);
00073         }
00074 
00075         /* Update markers */
00076         gui_playq_notify_done();
00077 
00078         return (vr);
00079 }
00080 
00081 void
00082 playq_xmms_idle(void)
00083 {
00084         if (cursong != NULL) {
00085                 /* Remove left-over marking */
00086                 vfs_unmark(cursong);
00087                 gui_playq_notify_done();
00088         }
00089 }
00090 
00091 int
00092 playq_xmms_select(struct vfsref *vr)
00093 {
00094         selectsong = vr;
00095 
00096         return (0);
00097 }
00098 
00099 int
00100 playq_xmms_next(void)
00101 {
00102         if (cursong != NULL) {
00103                 selectsong = vfs_list_next(cursong);
00104                 if (selectsong == NULL)
00105                         selectsong = vfs_list_first(&playq_list);
00106         }
00107 
00108         return (selectsong == NULL);
00109 }
00110 
00111 int
00112 playq_xmms_prev(void)
00113 {
00114         if (cursong != NULL) {
00115                 selectsong = vfs_list_prev(cursong);
00116                 if (selectsong == NULL)
00117                         selectsong = vfs_list_last(&playq_list);
00118         }
00119 
00120         return (selectsong == NULL);
00121 }
00122 
00123 void
00124 playq_xmms_notify_pre_removal(struct vfsref *vr)
00125 {
00126         /* Remove dangling pointers */
00127         if (cursong == vr)
00128                 cursong = NULL;
00129         
00130         g_assert(selectsong != vr);
00131 }