don't startup by default in "show all" mode

[iplayer-el.git] / iplayer.el

diff --git a/iplayer.el b/iplayer.el
index a27450b6da1250ab823320641887dceb5dcd15ab..b586f44ee9924789d2ae99d1659595277d9156c9 100644 (file)
--- a/iplayer.el
+++ b/iplayer.el
@@ -25,6 +25,17 @@
 ;; convenient interface to BBC iPlayer.
 
 ;;; Code:
+
+(defgroup iplayer nil
+  "Browse and download BBC TV/radio shows."
+  :prefix "iplayer-"
+  :group 'applications)
+
+(defcustom iplayer-download-directory "~/iPlayer/"
+  "Directory into which shows will be downloaded."
+  :group 'iplayer
+  :type 'directory)
+
 (defvar iplayer-updating-cache-process nil)
 (defvar iplayer-updating-cache-sentinel-info nil)
 (defvar iplayer-updating-cache-sentinel-executing nil)
@@ -131,18 +142,23 @@
 
 (defun display-iplayer-tree (tree)
   (with-current-buffer (get-buffer-create "*iplayer*")
-    (delete-region (point-min) (point-max))
+    (let ((buffer-read-only nil))
+      (fundamental-mode)
+      (delete-region (point-min) (point-max))
+      (dolist (entry tree)
+        (let ((program (car entry))
+              (episodes (cdr entry)))
+          (insert (propertize (format "* %s\n" program) 'face 'outline-1))
+          (dolist (episode episodes)
+            (insert (propertize (format "** %s\n" (cdr episode))
+                                'face 'outline-2 'iplayer-id (car episode)))))))
     (iplayer-mode)
     (orgstruct-mode 1)
-    (dolist (entry tree)
-      (let ((program (car entry))
-            (episodes (cdr entry)))
-        (insert (propertize (format "* %s\n" program) 'face 'outline-1))
-        (dolist (episode episodes)
-          (insert (propertize (format "** %s\n" (cdr episode))
-                              'face 'outline-2 'iplayer-id (car episode))))))
     (org-overview)
-    (goto-char (point-min)))
+    (goto-char (point-min))
+    (if iplayer-current-channel
+        (setq mode-line-process (format "[%s]" iplayer-current-channel))
+      (setq mode-line-process nil)))
   (switch-to-buffer (get-buffer-create "*iplayer*")))
 
 (defvar iplayer-presets
@@ -163,30 +179,51 @@
 
 Used in the `iplayer-preset' command.")
 
+(defcustom iplayer-startup-channel "BBC One"
+  "The channel to display at startup"
+  :type `(choice
+          ,@(mapcar (lambda (x) `(const ,(cdr x))) iplayer-presets)
+          (const :tag "Show all content" nil))
+  :group 'iplayer)
+
+(defun iplayer-frob-presets (presets)
+  (cond
+   ((version< emacs-version "24")
+    (mapcar (lambda (x) (cons (read-kbd-macro (car x)) (cdr x))) presets))
+   (t presets)))
+
+(defvar iplayer-current-channel nil)
+
 (define-iplayer-command iplayer-preset (&optional keys)
   "Switch display to a preset channel.
 
 The presets are defined in the variable `iplayer-presets'."
   (interactive)
   (let ((keys (or (and keys (concat keys)) (this-command-keys)))
-        (presets (mapcar (lambda (x) (cons (read-kbd-macro (car x)) (cdr x))) iplayer-presets)))
+        (presets (iplayer-frob-presets iplayer-presets)))
     (cond
      ((= (length keys) 1)
       (let ((channel (cdr (assoc keys presets))))
         (if channel
-            (progn
-              (setq mode-line-process (format "[%s]" channel))
-              (iplayer-channel (format "^%s$" channel)))
+            (iplayer-channel channel)
           (error "no preset for key %s" keys)))))))
 
 (defun iplayer-channel (channel)
-  (display-iplayer-tree (get-iplayer-tree "--channel" channel)))
+  (setq iplayer-current-channel channel)
+  (display-iplayer-tree (get-iplayer-tree "--channel" (format "^%s$" channel))))
+
+(define-iplayer-command iplayer-refresh (&optional keys)
+  "Refresh the current iPlayer channel display."
+  (interactive)
+  (if iplayer-current-channel
+      (iplayer-channel iplayer-current-channel)
+    (iplayer-show-all)))
 
 (defun iplayer-download ()
   (interactive)
   (let ((id (get-text-property (point) 'iplayer-id)))
     (if id
-        (let ((default-directory "~/iPlayer/"))
+        (let ((default-directory iplayer-download-directory))
           ;; should probably use a process filter instead to give us a
           ;; progress bar
           (message "downloading id %s" id)
@@ -218,29 +255,36 @@ The presets are defined in the variable `iplayer-presets'."
 
 (defconst iplayer-mode-map
   (let ((map (make-sparse-keymap)))
-    (define-key map (kbd "0") 'iplayer)
+    (define-key map (kbd "0") 'iplayer-show-all)
     (let ((presets "123456789!\"£$%^&*()"))
       (dotimes (i (length 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 "g") 'iplayer-refresh)
     (define-key map (kbd "j") 'iplayer-next)
     (define-key map (kbd "k") 'iplayer-previous)
+    (define-key map (kbd "n") 'iplayer-next)
+    (define-key map (kbd "p") 'iplayer-previous)
     map
     ))
 
-(defun iplayer-mode ()
+(define-derived-mode iplayer-mode special-mode "iPlayer"
   "A major mode for the BBC's iPlayer.
-\\{iplayer-mode-map}"
+\\{iplayer-mode-map}")
+
+(define-iplayer-command iplayer-show-all (&optional keys)
+  "Show all iPlayer entries."
   (interactive)
-  (use-local-map iplayer-mode-map)
-  (setq major-mode 'iplayer-mode mode-name "iPlayer"))
+  (setq iplayer-current-channel nil)
+  (display-iplayer-tree (get-iplayer-tree)))
 
 (define-iplayer-command iplayer (&optional keys)
   "Start the emacs iPlayer interface."
   (interactive)
-  (setq mode-line-process nil)
-  (display-iplayer-tree (get-iplayer-tree)))
+  (if iplayer-startup-channel
+      (iplayer-channel iplayer-startup-channel)
+    (iplayer-show-all)))
 
 ;;;###autoload
 (autoload 'iplayer "iplayer" "Start the emacs iPlayer interface." t)