| 1 | /* |
| 2 | * This file is part of DisOrder. |
| 3 | * Copyright (C) 2004-2008 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 18 | * USA |
| 19 | */ |
| 20 | /** @file server/macros-disorder.c |
| 21 | * @brief DisOrder-specific expansions |
| 22 | */ |
| 23 | |
| 24 | #include <config.h> |
| 25 | #include "types.h" |
| 26 | |
| 27 | #include "sink.h" |
| 28 | #include "client.h" |
| 29 | #include "lookup.h" |
| 30 | #include "cgi.h" |
| 31 | |
| 32 | /** @brief Client used by CGI |
| 33 | * |
| 34 | * The caller should arrange for this to be created before any of |
| 35 | * these expansions are used (if it cannot connect then it's safe to |
| 36 | * leave it as NULL). |
| 37 | */ |
| 38 | disorder_client *client; |
| 39 | |
| 40 | /** @brief Cached data */ |
| 41 | static unsigned flags; |
| 42 | |
| 43 | struct queue_entry *queue; |
| 44 | struct queue_entry *playing; |
| 45 | struct queue_entry *recent; |
| 46 | |
| 47 | int volume_left; |
| 48 | int volume_right; |
| 49 | |
| 50 | char **files; |
| 51 | int nfiles; |
| 52 | |
| 53 | char **dirs; |
| 54 | int ndirs; |
| 55 | |
| 56 | char **new; |
| 57 | int nnew; |
| 58 | |
| 59 | rights_type rights; |
| 60 | |
| 61 | int enabled; |
| 62 | int random_enabled; |
| 63 | |
| 64 | /** @brief Fetch cachable data */ |
| 65 | static void lookup(unsigned want) { |
| 66 | unsigned need = want ^ (flags & want); |
| 67 | struct queue_entry *r, *rnext; |
| 68 | const char *dir, *re; |
| 69 | char *rights; |
| 70 | |
| 71 | if(!client || !need) |
| 72 | return; |
| 73 | if(need & DC_QUEUE) |
| 74 | disorder_queue(client, &queue); |
| 75 | if(need & DC_PLAYING) |
| 76 | disorder_playing(client, &playing); |
| 77 | if(need & DC_NEW) |
| 78 | disorder_new_tracks(client, &new, &nnew, 0); |
| 79 | if(need & DC_RECENT) { |
| 80 | /* we need to reverse the order of the list */ |
| 81 | disorder_recent(client, &r); |
| 82 | while(r) { |
| 83 | rnext = r->next; |
| 84 | r->next = recent; |
| 85 | recent = r; |
| 86 | r = rnext; |
| 87 | } |
| 88 | } |
| 89 | if(need & DC_VOLUME) |
| 90 | disorder_get_volume(client, |
| 91 | &volume_left, &volume_right); |
| 92 | /* DC_FILES and DC_DIRS are looking obsolete now */ |
| 93 | if(need & (DC_FILES|DC_DIRS)) { |
| 94 | if(!(dir = cgi_get("directory"))) |
| 95 | dir = ""; |
| 96 | re = cgi_get("regexp"); |
| 97 | if(need & DC_DIRS) |
| 98 | if(disorder_directories(client, dir, re, |
| 99 | &dirs, &ndirs)) |
| 100 | ndirs = 0; |
| 101 | if(need & DC_FILES) |
| 102 | if(disorder_files(client, dir, re, |
| 103 | &files, &nfiles)) |
| 104 | nfiles = 0; |
| 105 | } |
| 106 | if(need & DC_RIGHTS) { |
| 107 | rights = RIGHT_READ; /* fail-safe */ |
| 108 | if(!disorder_userinfo(client, disorder_user(client), |
| 109 | "rights", &rights)) |
| 110 | parse_rights(rights, &rights, 1); |
| 111 | } |
| 112 | if(need & DC_ENABLED) |
| 113 | disorder_enabled(client, &enabled); |
| 114 | if(need & DC_RANDOM_ENABLED) |
| 115 | disorder_random_enabled(client, &random_enabled); |
| 116 | if(need & DC_RANDOM_ENABLED) |
| 117 | flags |= need; |
| 118 | } |
| 119 | |
| 120 | /* |
| 121 | Local Variables: |
| 122 | c-basic-offset:2 |
| 123 | comment-column:40 |
| 124 | fill-column:79 |
| 125 | indent-tabs-mode:nil |
| 126 | End: |
| 127 | */ |