Christophe Weblog Wiki Code Publications Music
Autoload the iplayer interactive function
[iplayer-el.git] / iplayer.el
index 882e5e961f3933464e28bdb8a36027b814bc77ce..33af51289fea7f6f96e2096a70bdaa5d865c5d23 100644 (file)
@@ -1,3 +1,30 @@
+;;; iplayer.el --- Browse and download BBC TV/radio shows
+
+;; Copyright (C) 2012-2013  Christophe Rhodes
+
+;; Author: Christophe Rhodes <csr21@cantab.net>
+;; Version: 0.1
+;; Keywords: multimedia
+
+;; This program 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.
+
+;; This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; Requires and uses the 'get-iplayer' script to provide a
+;; convenient interface to BBC iPlayer.
+
+;;; Code:
 (defvar iplayer-updating-cache-process nil)
 (defvar iplayer-updating-cache-sentinel-info nil)
 (defvar iplayer-updating-cache-sentinel-executing nil)
                    (lambda ()
                      (select-frame iplayer-command-frame)
                      (select-window iplayer-command-window)
-                     (set-buffer iplayer-command-buffer)))
-                  (post-command-hook
-                   (lambda ()
-                     (select-window old-window)
-                     (select-frame old-frame)
-                     (set-buffer old-buffer))))
+                     (set-buffer iplayer-command-buffer)
+                     (setq pre-command-hook nil))))
               ;; KLUDGE: execute-kbd-macro executes a normal
               ;; command-loop, whose first action is to select the
               ;; current frame and window, which is why we contort
               ;; that it works, but mine is not too much to reason
               ;; why; lots of other ways to try to achieve this didn't
               ;; in fact work.
-              (execute-kbd-macro keys))))))
+              (execute-kbd-macro keys)
+              ;; KLUDGE: and then we restore old state
+              (select-window old-window)
+              (select-frame old-frame)
+              (set-buffer old-buffer))))))
     (message "Done updating iPlayer cache")))
 
 (defmacro define-iplayer-command (name arglist &rest body)
@@ -58,7 +85,7 @@
          (message "Updating iPlayer cache"))
        (if iplayer-updating-cache-sentinel-executing
            (progn ,@body)
-         (push (list (selected-frame) (selected-window) (current-buffer) (this-command-keys))
+         (push (list (selected-frame) (selected-window) (current-buffer) (this-command-keys-vector))
                iplayer-updating-cache-sentinel-info)))))
 
 (defun get-iplayer-tree (&rest args)
@@ -152,6 +179,29 @@ The presets are defined in the variable `iplayer-presets'."
           (start-process "get-iplayer" " *get-iplayer*" "get-iplayer" "--get" (format "%s" id)))
       (message "no id at point"))))
 
+(defun iplayer-previous ()
+  (interactive)
+  (save-match-data
+    (outline-previous-heading)
+    (while (and (= (funcall outline-level) 1) (not (bobp)))
+      (outline-previous-heading)))
+  (hide-other)
+  (unless (bobp)
+    (save-excursion
+      (outline-up-heading 1 t)
+      (show-children))))
+
+(defun iplayer-next ()
+  (interactive)
+  (save-match-data
+    (outline-next-heading)
+    (while (and (= (funcall outline-level) 1) (not (eobp)))
+      (outline-next-heading)))
+  (hide-other)
+  (save-excursion
+    (outline-up-heading 1 t)
+    (show-children)))
+
 (defconst iplayer-mode-map
   (let ((map (make-sparse-keymap)))
     (define-key map (kbd "0") 'iplayer)
@@ -160,6 +210,8 @@ The presets are defined in the variable `iplayer-presets'."
         (define-key map (read-kbd-macro (substring presets i (1+ i)))
           'iplayer-preset)))
     (define-key map (kbd "RET") 'iplayer-download)
+    (define-key map (kbd "j") 'iplayer-next)
+    (define-key map (kbd "k") 'iplayer-previous)
     map
     ))
 
@@ -176,4 +228,9 @@ The presets are defined in the variable `iplayer-presets'."
   (setq mode-line-process nil)
   (display-iplayer-tree (get-iplayer-tree)))
 
+;;;###autoload
+(autoload 'iplayer "iplayer" "Start the emacs iPlayer interface." t)
+
+
 (provide 'iplayer)
+;;; iplayer.el ends here