aboutsummaryrefslogtreecommitdiff
path: root/lisp/emms-streams.el
blob: 4f09e096a0fde9e0fa8ca1c7ad075d0a186fec3d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
;; emms-streams.el -- interface to add and play streams

;; Copyright (C) 2004, 2005, 2006, 2007, 2008,
;;   2009 Free Software Foundation, Inc.

;; Authors: Lucas Bonnet <lucas@rincevent.net>
;;          Jose A Ortega Ruiz <jao@gnu.org>
;;          Yoni Rabkin <yrk@gnu.org>
;;          Michael Olson <mwolson@gnu.org>

;; This file is part of EMMS.

;; EMMS is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License
;; as published by the Free Software Foundation; either version 3
;; of the License, or (at your option) any later version.

;; EMMS is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with EMMS; if not, write to the Free Software Foundation,
;; Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.

;;; Commentary:

;; It is part of the EMMS package

;; Heavily based on bmk-mgr.el by Jose A Ortega Ruiz <jao@gnu.org>
;; thanks to you !

;;; Code:

(require 'emms)
(require 'later-do)

(defgroup emms-stream nil
  "*Add and play streams with EMMS."
  :group 'emms)

(defcustom emms-stream-bookmarks-file (concat (file-name-as-directory emms-directory) "streams")
  "*The file where you store your favorite emms streams."
  :type 'file
  :group 'emms-stream)

(defcustom emms-stream-default-action "add"
  "*The default action when you press RET in the EMMS Stream interface.
Can be either \"add\" or \"play\". The default is \"add\"."
  :type 'string
  :group 'emms-stream)

(defface emms-stream-name-face '((t (:bold t :weight bold)))
  "Face for stream names."
  :group 'emms-stream)

(defface emms-stream-url-face
  '((((class color) (background dark))
     (:foreground "LightSteelBlue"))
    (((class color) (background light))
     (:foreground "Blue")))
  "Face for stream URLs."
  :group 'emms-stream)

(defvar emms-stream-list nil
  "The list that contains your current stream bookmarks.")

(defvar emms-stream-buffer-name "*EMMS Streams*"
  "The name of the buffer used by emms-stream interface.")

(defvar emms-stream-play-hook nil
  "*A hook run when you add or play an EMMS stream via the popup.")

(defvar emms-stream-hook nil
"*A hook run when you call emms-streams or emms-stream-popup.")

(defvar emms-stream-current-stream nil
  "The stream currently being played.
Needed by the info method, as the track doesn't contain all the
needed info.")

(defvar emms-stream-popup-old-conf nil
  "Old window configuration.")

(defvar emms-stream-last-stream nil
  "The last stream added/played by EMMS.")

(defvar emms-stream-playlist-buffer nil
  "The EMMS playlist buffer associated with emms-streams.")

(defcustom emms-stream-repeat-p nil
  "*If non-nil, try to repeat a streamlist if it gets disconnected."
  :set (function
        (lambda (sym val)
          (when (buffer-live-p emms-stream-playlist-buffer)
            (with-current-buffer emms-stream-playlist-buffer
              (setq emms-repeat-playlist val)))
          (set sym val)))
  :type 'boolean
  :group 'emms-stream)

;; Format: (("descriptive name" url feed-number type))
;;
;; type could be either url, playlist, or lastfm. If url, then it
;; represents a direct IP, if streamlist it's a stream playlist, if
;; lastfm it's a lastfm station
(defvar emms-stream-default-list
  '(("SomaFM: Beatblender"
     "http://www.somafm.com/beatblender.pls" 1 streamlist)
    ("SomaFM: Secret Agent"
     "http://www.somafm.com/secretagent.pls" 1 streamlist)
    ("SomaFM: Groove Salad"
     "http://www.somafm.com/groovesalad.pls" 1 streamlist)
    ("SomaFM: Drone Zone"
     "http://www.somafm.com/dronezone.pls" 1 streamlist)
    ("SomaFM: Tag's Trance"
     "http://www.somafm.com/tagstrance.pls" 1 streamlist)
    ("SomaFM: Indie Pop Rocks"
     "http://www.somafm.com/indiepop.pls" 1 streamlist)
    ("SomaFM: Doomed"
     "http://www.somafm.com/doomed.pls" 1 streamlist)
    ("P H I L O S O M A T I K A - Progressive Psytrance"
     "http://listen.radionomy.com:80/-PHILOSOMATIKAPROGRESSIVE-" 1 url)
    ("P H I L O S O M A T I K A - Psytrance"
     "http://listen.radionomy.com:80/-PHILOSOMATIKA-" 1 url)
    ("Drum and Bass Radio, BassDrive"
     "http://www.bassdrive.com/BassDrive.m3u" 1 streamlist)
    ("WCPE, Classical Music"
     "http://www.ibiblio.org/wcpe/wcpe.pls" 1 streamlist)
    ("Kohina - Old school game and demo music"
     "http://stream.nute.net/kohina/stream.ogg.m3u" 1 streamlist)
    ("Nectarine, Demoscene Radio, DE Continuum's relay 192 mp3"
     "http://privat.is-by.us:8000/necta192.mp3.m3u" 1 streamlist)
    ("Nectarine, Demoscene Radio, DE stream (High Bitrate)"
     "http://nectarine.from-de.com/necta192.m3u" 1 streamlist)
    ("Nectarine, Demoscene Radio, FR stream (High Bitrate)"
     "http://necta-relay.mnus.de:8000/necta192.mp3.m3u" 1 streamlist)
    ("Nectarine, Demoscene Radio, Norwegian stream"
     "http://pmaster.no:9000/necta.m3u" 1 streamlist)
    ("Nectarine, Demoscene Radio, UK stream (High Bitrate)"
     "http://necta.jansenit.com:8000/necta192.mp3.m3u" 1 streamlist)
    ("idobi Radio"
     "http://www.idobi.com/radio/iradio.pls" 1 streamlist)
    ("radio.wazee - Modern Alternative Rock"
     "http://www.wazee.org/128.pls" 1 streamlist)
    ("WFMU, Freeform radio"
     "http://www.wfmu.org/wfmu.pls" 1 streamlist)
    ("WBCR-LP - Berkshire Community Radio"
     "http://nyc01.egihosting.com:6232/listen.pls" 1 streamlist)))

(defvar emms-stream-mode-map
  (let ((map (make-keymap)))
    (suppress-keymap map)
    (define-key map (kbd "C-a") 'beginning-of-line)
    (define-key map (kbd "C-e") 'end-of-line)
    (define-key map (kbd "C-k") 'emms-stream-kill-bookmark)
    (define-key map (kbd "C-y") 'emms-stream-yank-bookmark)
    (define-key map (kbd "C-n") 'emms-stream-next-line)
    (define-key map (kbd "C-p") 'emms-stream-previous-line)
    (define-key map (kbd "Q") 'emms-stream-quit)
    (define-key map (kbd "a") 'emms-stream-add-bookmark)
    (define-key map (kbd "d") 'emms-stream-delete-bookmark)
    (define-key map (kbd "e") 'emms-stream-edit-bookmark)
    (define-key map (kbd "h") 'describe-mode)
    (define-key map (kbd "n") 'emms-stream-next-line)
    (define-key map (kbd "p") 'emms-stream-previous-line)
    (define-key map (kbd "q") 'emms-stream-quit)
    (define-key map (kbd "s") 'emms-stream-save-bookmarks-file)
    (define-key map (kbd "t") 'emms-stream-toggle-default-action)
;;    (define-key map (kbd "u") 'emms-stream-move-bookmark-up)
    (define-key map (kbd "i") 'emms-stream-info-bookmark)
    (define-key map (kbd "<up>") 'emms-stream-previous-line)
    (define-key map (kbd "<down>") 'emms-stream-next-line)
    (define-key map (kbd "<left>") 'beginning-of-line)
    (define-key map (kbd "<right>") 'end-of-line)
    (define-key map (kbd "RET") 'emms-stream-play)
    map)
  "Keymap for `emms-stream-menu'.")

;;;###autoload
(defun emms-streams ()
  "Opens the EMMS Streams interface."
  (interactive)
  (kill-buffer (get-buffer-create emms-stream-buffer-name))
  (set-buffer (get-buffer-create emms-stream-buffer-name))
  (erase-buffer)
  (when (string= emms-stream-default-action "play")
    (emms-stream-create-playlist))
  (emms-stream-mode)
  (switch-to-buffer emms-stream-buffer-name))

(defun emms-stream-mode ()
  (kill-all-local-variables)
  (buffer-disable-undo)
  (setq major-mode 'emms-stream-mode)
  (setq mode-name "EMMS Streams")
  (use-local-map emms-stream-mode-map)
  (emms-stream-init)
  (set (make-local-variable 'truncate-lines) t)
  (set (make-local-variable 'auto-hscroll-mode) t)
  (set (make-local-variable 'kill-whole-line) t)
  (set (make-local-variable 'next-line-add-newlines) nil)
  (goto-char 1)
  (emms-stream-display)
  (toggle-read-only 1)
  (run-hooks 'emms-stream-hook)
  (set-buffer-modified-p nil)
  (message "EMMS Stream Menu"))

(defun emms-stream-create-playlist ()
  "Create a new EMMS playlist and associate it with emms-streams.
This is used when `emms-stream-default-action' is \"play\"."
  (save-excursion
    (setq emms-stream-playlist-buffer
          (emms-playlist-set-playlist-buffer (emms-playlist-new)))
    (with-current-buffer emms-stream-playlist-buffer
      ;; if emms-stream-repeat-p is non-nil, make sure that we
      ;; continue to play the station, even if briefly disconnected
      (set (make-local-variable 'emms-repeat-playlist)
           emms-stream-repeat-p))))

(defun emms-stream-kill-playlist ()
  "Delete the EMMS playlist associated with emms-streams, if one exists."
  (when (buffer-live-p emms-stream-playlist-buffer)
    (save-excursion
      (if (eq emms-stream-playlist-buffer emms-playlist-buffer)
          (emms-playlist-current-kill)
        (kill-buffer emms-stream-playlist-buffer)))
    (setq emms-stream-playlist-buffer nil)))

(defun emms-stream-popup-revert ()
  "Revert to the window-configuration from before if there is one,
otherwise just remove the special bindings from the stream menu."
  (interactive)
  (remove-hook 'emms-pbi-manually-change-song-hook 'emms-pbi-popup-revert)
  (let ((streambuffer (get-buffer emms-stream-buffer-name)))
    (when streambuffer
      (with-current-buffer streambuffer
	(local-unset-key (kbd "TAB")))))
  (when emms-stream-popup-old-conf
    (set-window-configuration emms-stream-popup-old-conf))
  (remove-hook 'emms-stream-play-hook 'emms-stream-popup-revert)
  (remove-hook 'emms-stream-quit-hook 'emms-stream-popup-revert))

(defun emms-stream-popup (&optional popup-height)
  "Pops up the stream Menu, for the new stream selection.

POPUP-HEIGHT is the height of the new frame, defaulting to
`emms-popup-default-height'."
  (interactive)
  (setq popup-height (or popup-height (/ (window-height) 2)))
  ;; Split the current screen, and make the stream menu popup
  (let ((new-window-height (- (window-height) popup-height)))
    (if (not (> new-window-height 0))
	(error "Current window too small to popup menu!"))
    ;; Save the current window-configuration
    (setq emms-stream-popup-old-conf (current-window-configuration))
    ;; Split and select the menu
    (let ((buffer-down
           (split-window-vertically new-window-height)))
      (select-window buffer-down))

      (kill-buffer (get-buffer-create emms-stream-buffer-name))
      (switch-to-buffer (get-buffer-create emms-stream-buffer-name))
      (erase-buffer)
      (emms-stream-mode)

      (add-hook 'emms-stream-play-hook 'emms-stream-popup-revert)
      (add-hook 'emms-stream-quit-hook 'emms-stream-popup-revert)
      (local-set-key (kbd "TAB") 'emms-stream-popup-revert)
      (local-set-key (kbd "RET") 'emms-stream-play)
      ;; (local-set-key (kbd "q") 'delete-window)
      ;; Also, forget about the whole thing if the user does something
      ;; to the window-configuration
      ;; (add-hook 'window-configuration-change-hook 'emms-stream-popup-forget-conf)))
      ))

(defun emms-stream-init ()
  (setq emms-stream-list (emms-stream-read-file emms-stream-bookmarks-file)))

(defun emms-stream-read-file (file)
  "Returns a sexp."
  (let ((file (expand-file-name file)))
    (if (file-readable-p file)
        (with-temp-buffer
          (emms-insert-file-contents file)
          (goto-char (point-min))
          (read (current-buffer)))
      emms-stream-default-list)))

(defun emms-stream-save-bookmarks-file ()
  (interactive)
  (save-excursion
    (let ((buffer (find-file-noselect emms-stream-bookmarks-file)))
      (set-buffer buffer)
      (erase-buffer)
      (insert "(")
      (let ((firstp t))
        (dolist (stream emms-stream-list)
          (if (not firstp)
              (insert "\n ")
            (setq firstp nil))
          ;; make sure type identifier is a symbol, not a string
          (when (stringp (nth 3 stream))
            (setq stream (copy-alist stream))
            (setcar (nthcdr 3 stream) (intern (nth 3 stream))))
          (prin1 stream buffer)))
      (insert ")\n")
      (save-buffer)
      (kill-buffer buffer)))
  (set-buffer-modified-p nil))

(defun emms-stream-display-line (line)
  (insert (emms-stream-name line))
  (add-text-properties (point-at-bol) (point-at-eol)
                       '(face emms-stream-name-face))
  (add-text-properties (point-at-bol) (point-at-eol) `(emms-stream ,line))
  (insert "\n      ")
  (insert (emms-stream-url  line))
  (add-text-properties (point-at-bol) (point-at-eol)
                       '(face emms-stream-url-face))
  (insert "\n"))

(defun emms-stream-display ()
  "Displays the bookmark list in the current buffer, in a human
  readable way."
  (mapc 'emms-stream-display-line emms-stream-list)
  (goto-char (point-min)))

;; Helper functions
(defun emms-stream-take (n list)
  "Takes N elements from LIST."
  (let ((idx  0)
        (res '()))
    (while (< idx n)
      (setq res (append res (list (nth idx list))))
      (setq idx (+ idx 1)))
    res))

(defun emms-stream-insert-at (n elt list)
  "Inserts the element ELT in LIST, *before* position N.
Positions are counted starting with 0."
  (let* ((n-1     (- n 1))
         (before (emms-stream-take n-1 list))
         (after  (last list (- (length list) n-1))))
    (append before (list elt) after)))

(defun emms-stream-insert-several-at (n new-list list)
  "Inserts the list NEW-LIST in LIST, *before* position N.
Positions are counted starting with 0."
  (let* ((n-1     (- n 1))
         (before (emms-stream-take n-1 list))
         (after  (last list (- (length list) n-1))))
    (append before new-list after)))

(defun emms-stream-look-behind ()
  "Return non-nil if the position behind the point is an emms-stream."
  (and (not (bobp))
       (get-text-property (1- (point)) 'emms-stream)))

(defun emms-stream-back-to-stream ()
  "If we are not on a stream, move backwards to the nearest one."
  (unless (get-text-property (point) 'emms-stream)
    (unless (emms-stream-look-behind)
      (goto-char (or (previous-single-property-change (point) 'emms-stream)
                     (point-min))))
    (goto-char (or (previous-single-property-change (point) 'emms-stream)
                   (point-min)))))

(defun emms-stream-get-bookmark-at-point ()
  "Returns the bookmark under point."
  (emms-stream-back-to-stream)
  (get-text-property (point) 'emms-stream))

(defun emms-stream-redisplay ()
  (let ((inhibit-read-only t))
    (erase-buffer)
    (goto-char (point-min))
    (emms-stream-display)))

(defun emms-stream-determine-fd (name)
  "Return a feed descriptor, given NAME.
This is the count of the times NAME appears in the bookmark list,
plus one."
  (let ((count 1))
    (dolist (feed emms-stream-list)
      (when (string= (emms-stream-name feed) name)
        (setq count (1+ count))))
    count))

(defun emms-stream-add-bookmark (name url fd type)
  "Creates a new bookmark, and inserts it at point position.

Don't forget to run `emms-stream-save-bookmarks-file' after !"
  (interactive
   (list
    (read-string "Name of the bookmark: ")
    (read-string "URL: ")
    nil
    (emms-completing-read
     "Type (url, streamlist, or lastfm): "
     (mapcar #'list '("url" "streamlist" "lastfm")))))
  (unless fd (setq fd (emms-stream-determine-fd name)))
  (when (stringp type) (setq type (intern type)))
  (let* ((line     (emms-line-number-at-pos (point)))
         (index    (+ (/ line 2) 1)))
    (setq emms-stream-list (emms-stream-insert-at index (list name url fd type)
                                                  emms-stream-list))
    (emms-stream-redisplay)
    (goto-char (point-min))
    (forward-line (1- line))))

(defun emms-stream-delete-bookmark ()
  "Deletes the bookmark under the point.

Don't forget to save your modifications !"
  (interactive)
  (let ((line (emms-line-number-at-pos (point))))
    (setq emms-stream-list
          (delete (emms-stream-get-bookmark-at-point) emms-stream-list))
    (emms-stream-redisplay)
    (goto-char (point-min))
    (forward-line (1- line))))

(defun emms-stream-edit-bookmark ()
  "Change the information of current bookmark."
  (interactive)
  (let* ((bookmark (emms-stream-get-bookmark-at-point))
         (name     (read-from-minibuffer "Description: "
                                         (emms-stream-name bookmark)))
         (url      (read-from-minibuffer "URL: "
                                         (emms-stream-url bookmark)))
         (fd       (read-from-minibuffer "Feed Descriptor: "
                                         (int-to-string (emms-stream-fd bookmark))))
         (type     (read-from-minibuffer "Type (url, streamlist, or lastfm): "
                                         (format "%s" (emms-stream-type bookmark)))))
    (emms-stream-delete-bookmark)
    (emms-stream-add-bookmark name url (string-to-number fd) type)))

(defun emms-stream-name (el)
  (car el))
(defun emms-stream-url (el)
  (cadr el))
(defun emms-stream-fd (el)
  (car (cddr el)))
(defun emms-stream-type (el)
  (cadr (cddr el)))

(defun emms-stream-play ()
  (interactive)
  (let* ((line  (or (get-text-property (point) 'emms-stream)
                    (progn
                      (goto-char (or (previous-single-property-change
                                      (point) 'emms-stream)
                                     (point-min)))
                      (goto-char (or (previous-single-property-change
                                      (point) 'emms-stream)
                                     (point-min)))
                      (get-text-property (point) 'emms-stream))
                    (error "No stream found at point")))
         (name  (emms-stream-name line))
         (url   (emms-stream-url  line))
         (fd    (emms-stream-fd   line))
         (type  (emms-stream-type line))
         (player (read (concat "emms-" emms-stream-default-action "-"
                               (format "%s" type)))))
    (setq emms-stream-last-stream line)
;;    (funcall emms-stream-default-action url)
    (funcall player url)
    (if (string= emms-stream-default-action "add")
        (message "URL added to playlist")))
  (later-do 'emms-mode-line-alter)
  (run-hooks 'emms-stream-play-hook))

(defun emms-stream-info-bookmark ()
  "Return the station and track information for the streaming audio station under point."
  (interactive)
  (if (fboundp 'emms-stream-info-message)
      (let* ((line (get-text-property (point) 'emms-stream))
	     (url (emms-stream-url line)))
	(emms-stream-info-message url))
    (message "Streaming media info not available.")))

;; Killing and yanking
(defvar emms-stream-killed-streams ()
  "Bookmarks that have been killed.")

(defun emms-stream-kill-bookmark ()
  "Kill the current bookmark."
  (interactive)
  (let ((stream (emms-stream-get-bookmark-at-point)))
    (setq emms-stream-list (delete stream emms-stream-list)
          emms-stream-killed-streams (cons stream emms-stream-killed-streams)))
  (let ((inhibit-read-only t))
    (kill-line 2)))

(defun emms-stream-yank-bookmark ()
  "Yank bookmark into the streams buffer."
  (interactive)
  (emms-stream-back-to-stream)
  (let ((inhibit-read-only t)
        (streams nil))
    ;; get all valid streams
    (save-restriction
      (narrow-to-region (point) (point))
      (yank)
      (goto-char (point-min))
      (while (and (< (point) (point-max))
                  (car emms-stream-killed-streams)
                  (looking-at "^\\(.+\\)\n      \\(.+\\)\n"))
        (setq streams (cons (car emms-stream-killed-streams) streams)
              emms-stream-killed-streams (cdr emms-stream-killed-streams))
        (goto-char (match-end 0)))
      (delete-region (point-min) (point-max)))
    ;; insert streams into list
    (if streams
        (let* ((line (emms-line-number-at-pos (point)))
               (index (+ (/ line 2) 1)))
          (setq emms-stream-list (emms-stream-insert-several-at
                                  index streams emms-stream-list))
          (setq line (+ line (* (length streams) 2)))
          (emms-stream-redisplay)
          (goto-char (point-min))
          (forward-line (1- line)))
      (message "Not yanking anything"))))

;; Navigation
(defun emms-stream-next-line ()
  (interactive)
  (when (get-text-property (point) 'emms-stream)
    (goto-char (or (next-single-property-change (point) 'emms-stream)
                   (point-max))))
  (goto-char (or (next-single-property-change (point) 'emms-stream)
                 (point-max)))
  (forward-line 0))

(defun emms-stream-previous-line ()
  (interactive)
  (emms-stream-back-to-stream)
  (goto-char (or (previous-single-property-change (point) 'emms-stream)
                   (point-min)))
  (goto-char (or (previous-single-property-change (point) 'emms-stream)
                 (point-min)))
  (forward-line 0))

(defun emms-stream-quit ()
  (interactive)
  (emms-stream-kill-playlist)
  (kill-this-buffer)
  (run-hooks 'emms-stream-quit-hook))

(defun emms-stream-toggle-default-action ()
"Toggle between adding to the current active playlist or play
right now (and thus erase the current active playlist)."
  (interactive)
  (if (string= emms-stream-default-action "play")
      (progn
        (emms-stream-kill-playlist)
        (setq emms-stream-default-action "add")
        (message "Default action is now add"))
    (emms-stream-create-playlist)
    (setq emms-stream-default-action "play")
    (message "Default action is now play")))

;; info part
; (define-emms-info-method emms-info-url
;    :providep 'emms-info-url-providep
;    :get 'emms-info-url-get)
;;   :set 'emms-info-url-set)

;; A way to get the last element.  it is either the only one, or the
;; last one added by emms-add-url. so in both cases, that's what we
;; want.
;; FIXME : not working with the new design. Yrk ?
; (defun emms-stream-last-element ()
;  (elt emms-playlist (- (length emms-playlist) 1)))

(defun emms-info-url-providep (track)
  (if (eq (emms-track-type track) 'url)
      t
    nil))

; (defun emms-info-url-get (track)
;   (make-emms-info
;    :title (emms-stream-url (emms-track-get track 'metadata))
;    :artist (emms-stream-name (emms-track-get track 'metadata))
;    :album " "
;    :note " "
;    :year " "
;    :genre " "
;    :file (emms-stream-url (emms-track-get track 'metadata))))

;; Then you register it with emms-info, by adding it to
;; `emms-info-methods-list'.

; (add-to-list 'emms-info-methods-list 'emms-info-url)

(defun emms-stream-add-data-to-track (track)
  (emms-track-set track 'metadata emms-stream-last-stream))

(add-to-list 'emms-track-initialize-functions
             'emms-stream-add-data-to-track)

; (when (featurep 'emms-info)
;   (eval-when-compile (require 'emms-info)) ; appease byte-compiler
;   (add-to-list 'emms-info-methods-list 'emms-info-streamlist)
;   (defun emms-info-streamlist-providep (track)
;     (if (eq (emms-track-type track) 'streamlist)
;         t
;       nil))
;   (define-emms-info-method emms-info-streamlist  ;; FIXME-PLS ?
;     :providep 'emms-info-streamlist-providep ;; FIXME-PLS ?
;     :get 'emms-info-url-get))

(provide 'emms-streams)
;;; emms-streams.el ends here