458 lines
21 KiB
Common Lisp
458 lines
21 KiB
Common Lisp
;;;; front-page.lisp - ParenScript version of front-page.js
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;;;; Stream quality, now playing, pop-out player, frameset mode
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(in-package #:asteroid)
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(defparameter *front-page-js*
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(ps:ps*
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'(progn
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;; Stream connection state
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(defvar *stream-error-count* 0)
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(defvar *last-play-attempt* 0)
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(defvar *is-reconnecting* false)
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(defvar *reconnect-timeout* nil)
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;; Stream quality configuration
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(defun get-stream-config (stream-base-url encoding)
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(let ((config (ps:create
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:aac (ps:create
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:url (+ stream-base-url "/asteroid.aac")
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:format "AAC 96kbps Stereo"
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:type "audio/aac"
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:mount "asteroid.aac")
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:mp3 (ps:create
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:url (+ stream-base-url "/asteroid.mp3")
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:format "MP3 128kbps Stereo"
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:type "audio/mpeg"
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:mount "asteroid.mp3")
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:low (ps:create
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:url (+ stream-base-url "/asteroid-low.mp3")
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:format "MP3 64kbps Stereo"
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:type "audio/mpeg"
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:mount "asteroid-low.mp3"))))
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(ps:getprop config encoding)))
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;; Change stream quality
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(defun change-stream-quality ()
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(let* ((selector (ps:chain document (get-element-by-id "stream-quality")))
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(stream-base-url (ps:chain document (get-element-by-id "stream-base-url")))
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(config (get-stream-config (ps:@ stream-base-url value) (ps:@ selector value)))
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(audio-element (ps:chain document (get-element-by-id "live-audio")))
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(source-element (ps:chain document (get-element-by-id "audio-source")))
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(was-playing (not (ps:@ audio-element paused)))
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(current-time (ps:@ audio-element current-time)))
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;; Save preference
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(ps:chain local-storage (set-item "stream-quality" (ps:@ selector value)))
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;; Update stream information
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(update-stream-information)
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;; Update audio player
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(setf (ps:@ source-element src) (ps:@ config url))
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(setf (ps:@ source-element type) (ps:@ config type))
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(ps:chain audio-element (load))
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;; Resume playback if it was playing
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(when was-playing
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(ps:chain (ps:chain audio-element (play))
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(catch (lambda (e)
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(ps:chain console (log "Autoplay prevented:" e))))))))
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;; Update now playing info from API
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(defun update-now-playing ()
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(ps:chain
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(fetch "/api/asteroid/partial/now-playing")
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(then (lambda (response)
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(let ((content-type (ps:chain response headers (get "content-type"))))
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(if (ps:chain content-type (includes "text/html"))
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(ps:chain response (text))
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(throw (ps:new (-error "Error connecting to stream")))))))
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(then (lambda (data)
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(setf (ps:@ (ps:chain document (get-element-by-id "now-playing")) inner-h-t-m-l)
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data)))
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(catch (lambda (error)
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(ps:chain console (log "Could not fetch stream status:" error))))))
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;; Update stream information
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(defun update-stream-information ()
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(let* ((selector (ps:chain document (get-element-by-id "stream-quality")))
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(stream-base-url (ps:chain document (get-element-by-id "stream-base-url")))
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(stream-quality (or (ps:chain local-storage (get-item "stream-quality")) "aac")))
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;; Update selector if needed
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(when (and selector (not (= (ps:@ selector value) stream-quality)))
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(setf (ps:@ selector value) stream-quality)
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(ps:chain selector (dispatch-event (ps:new (-event "change")))))
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;; Update stream info display
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(when stream-base-url
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(let ((config (get-stream-config (ps:@ stream-base-url value) stream-quality)))
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(setf (ps:@ (ps:chain document (get-element-by-id "stream-url")) text-content)
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(ps:@ config url))
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(setf (ps:@ (ps:chain document (get-element-by-id "stream-format")) text-content)
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(ps:@ config format))
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(let ((status-quality (ps:chain document (query-selector "[data-text=\"stream-quality\"]"))))
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(when status-quality
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(setf (ps:@ status-quality text-content) (ps:@ config format))))))))
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;; Pop-out player functionality
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(defvar *popout-window* nil)
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(defun open-popout-player ()
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;; Check if popout is already open
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(when (and *popout-window* (not (ps:@ *popout-window* closed)))
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(ps:chain *popout-window* (focus))
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(return))
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;; Calculate centered position
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(let* ((width 420)
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(height 300)
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(left (/ (- (ps:@ screen width) width) 2))
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(top (/ (- (ps:@ screen height) height) 2))
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(features (+ "width=" width ",height=" height ",left=" left ",top=" top
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",resizable=yes,scrollbars=no,status=no,menubar=no,toolbar=no,location=no")))
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;; Open popout window
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(setf *popout-window*
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(ps:chain window (open "/asteroid/popout-player" "AsteroidPlayer" features)))
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;; Update button state
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(update-popout-button t)))
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(defun update-popout-button (is-open)
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(let ((btn (ps:chain document (get-element-by-id "popout-btn"))))
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(when btn
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(if is-open
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(progn
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(setf (ps:@ btn text-content) "✓ Player Open")
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(ps:chain btn class-list (remove "btn-info"))
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(ps:chain btn class-list (add "btn-success")))
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(progn
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(setf (ps:@ btn text-content) "🗗 Pop Out Player")
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(ps:chain btn class-list (remove "btn-success"))
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(ps:chain btn class-list (add "btn-info")))))))
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;; Frameset mode functionality
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(defun enable-frameset-mode ()
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(ps:chain local-storage (set-item "useFrameset" "true"))
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(setf (ps:@ window location href) "/asteroid/frameset"))
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(defun disable-frameset-mode ()
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(ps:chain local-storage (remove-item "useFrameset"))
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(setf (ps:@ window location href) "/asteroid/"))
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;; Stream status UI functions
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(defun show-stream-status (message status-type)
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"Show a status message to the user. status-type: 'error', 'warning', 'success', 'info'"
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(let ((indicator (ps:chain document (get-element-by-id "stream-status-indicator"))))
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(when indicator
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(setf (ps:@ indicator inner-text) message)
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(setf (ps:@ indicator style display) "block")
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(setf (ps:@ indicator style background)
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(cond
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((= status-type "error") "#550000")
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((= status-type "warning") "#554400")
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((= status-type "success") "#005500")
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(t "#003355")))
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(setf (ps:@ indicator style border)
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(cond
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((= status-type "error") "1px solid #ff0000")
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((= status-type "warning") "1px solid #ffaa00")
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((= status-type "success") "1px solid #00ff00")
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(t "1px solid #00aaff"))))))
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(defun hide-stream-status ()
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"Hide the status indicator"
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(let ((indicator (ps:chain document (get-element-by-id "stream-status-indicator"))))
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(when indicator
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(setf (ps:@ indicator style display) "none"))))
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(defun show-reconnect-button ()
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"Show the reconnect button"
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(let ((btn (ps:chain document (get-element-by-id "reconnect-btn"))))
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(when btn
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(setf (ps:@ btn style display) "inline-block"))))
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(defun hide-reconnect-button ()
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"Hide the reconnect button"
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(let ((btn (ps:chain document (get-element-by-id "reconnect-btn"))))
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(when btn
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(setf (ps:@ btn style display) "none"))))
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;; Recreate audio element to fix wedged state
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(defun recreate-audio-element ()
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"Recreate the audio element entirely to fix wedged MediaElementSource"
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(let* ((container (ps:chain document (get-element-by-id "audio-container")))
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(old-audio (ps:chain document (get-element-by-id "live-audio")))
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(stream-base-url (ps:chain document (get-element-by-id "stream-base-url")))
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(stream-quality (or (ps:chain local-storage (get-item "stream-quality")) "aac"))
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(config (get-stream-config (ps:@ stream-base-url value) stream-quality)))
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(when (and container old-audio)
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;; Reset spectrum analyzer before removing audio
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(when (ps:@ window |resetSpectrumAnalyzer|)
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(ps:chain window (reset-spectrum-analyzer)))
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;; Remove old audio element
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(ps:chain old-audio (pause))
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(setf (ps:@ old-audio src) "")
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(ps:chain old-audio (remove))
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;; Create new audio element
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(let ((new-audio (ps:chain document (create-element "audio"))))
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(setf (ps:@ new-audio id) "live-audio")
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(setf (ps:@ new-audio controls) t)
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(setf (ps:@ new-audio crossorigin) "anonymous")
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(setf (ps:@ new-audio style width) "100%")
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(setf (ps:@ new-audio style margin) "10px 0")
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;; Create source element
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(let ((source (ps:chain document (create-element "source"))))
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(setf (ps:@ source id) "audio-source")
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(setf (ps:@ source src) (ps:@ config url))
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(setf (ps:@ source type) (ps:@ config type))
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(ps:chain new-audio (append-child source)))
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;; Add to container
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(ps:chain container (append-child new-audio))
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;; Re-attach event listeners
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(attach-audio-event-listeners new-audio)
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(ps:chain console (log "Audio element recreated"))
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new-audio))))
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;; Main reconnect function
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(defun reconnect-stream ()
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"Reconnect the stream - called by user or automatically"
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(when *is-reconnecting*
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(return))
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(setf *is-reconnecting* t)
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(show-stream-status "🔄 Reconnecting to stream..." "info")
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(hide-reconnect-button)
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;; Clear any pending reconnect timeout
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(when *reconnect-timeout*
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(clear-timeout *reconnect-timeout*)
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(setf *reconnect-timeout* nil))
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(let ((audio-element (ps:chain document (get-element-by-id "live-audio"))))
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(if audio-element
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;; Try simple reload first
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(progn
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(ps:chain audio-element (pause))
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(ps:chain audio-element (load))
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;; Resume AudioContext if suspended
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(when (ps:@ window |resetSpectrumAnalyzer|)
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(ps:chain window (reset-spectrum-analyzer)))
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;; Try to play after a short delay
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(set-timeout
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(lambda ()
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(ps:chain audio-element (play)
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(then (lambda ()
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(setf *stream-error-count* 0)
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(setf *is-reconnecting* false)
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(show-stream-status "✓ Stream reconnected!" "success")
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(set-timeout hide-stream-status 3000)
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;; Reinitialize spectrum analyzer
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(when (ps:@ window |initSpectrumAnalyzer|)
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(set-timeout
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(lambda ()
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(ps:chain window (init-spectrum-analyzer)))
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500))))
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(catch (lambda (err)
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(ps:chain console (log "Simple reconnect failed, recreating audio element:" err))
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;; Simple reload failed, recreate the audio element
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(let ((new-audio (recreate-audio-element)))
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(when new-audio
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(set-timeout
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(lambda ()
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(ps:chain new-audio (play)
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(then (lambda ()
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(setf *stream-error-count* 0)
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(setf *is-reconnecting* false)
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(show-stream-status "✓ Stream reconnected!" "success")
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(set-timeout hide-stream-status 3000)))
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(catch (lambda (err2)
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(setf *is-reconnecting* false)
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(incf *stream-error-count*)
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(show-stream-status "❌ Could not reconnect. Click play to try again." "error")
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(show-reconnect-button)
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(ps:chain console (log "Reconnect failed:" err2))))))
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500)))))))
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500))
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;; No audio element found, try to recreate
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(let ((new-audio (recreate-audio-element)))
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(if new-audio
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(set-timeout
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(lambda ()
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(ps:chain new-audio (play)
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(then (lambda ()
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(setf *is-reconnecting* false)
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(show-stream-status "✓ Stream connected!" "success")
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(set-timeout hide-stream-status 3000)))
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(catch (lambda (err)
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(setf *is-reconnecting* false)
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(show-stream-status "❌ Could not connect. Click play to try again." "error")
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(show-reconnect-button)))))
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500)
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(progn
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(setf *is-reconnecting* false)
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(show-stream-status "❌ Could not create audio player. Please reload the page." "error")))))))
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;; Attach event listeners to audio element
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(defun attach-audio-event-listeners (audio-element)
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"Attach all necessary event listeners to an audio element"
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;; Error handler
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(ps:chain audio-element
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(add-event-listener "error"
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(lambda (err)
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(incf *stream-error-count*)
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(ps:chain console (log "Stream error:" err))
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(if (< *stream-error-count* 3)
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;; Auto-retry for first few errors
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(progn
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(show-stream-status (+ "⚠️ Stream error. Reconnecting... (attempt " *stream-error-count* ")") "warning")
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(setf *reconnect-timeout*
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(set-timeout reconnect-stream 3000)))
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;; Too many errors, show manual reconnect
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(progn
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(show-stream-status "❌ Stream connection lost. Click Reconnect to try again." "error")
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(show-reconnect-button))))))
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;; Stalled handler
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(ps:chain audio-element
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(add-event-listener "stalled"
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(lambda ()
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(ps:chain console (log "Stream stalled"))
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(show-stream-status "⚠️ Stream stalled. Attempting to recover..." "warning")
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(setf *reconnect-timeout*
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(set-timeout
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(lambda ()
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;; Only reconnect if still stalled
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(when (ps:@ audio-element paused)
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(reconnect-stream)))
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5000)))))
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;; Waiting handler (buffering)
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(ps:chain audio-element
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(add-event-listener "waiting"
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(lambda ()
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(ps:chain console (log "Stream buffering..."))
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(show-stream-status "⏳ Buffering..." "info"))))
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;; Playing handler - clear any error states
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(ps:chain audio-element
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(add-event-listener "playing"
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(lambda ()
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(setf *stream-error-count* 0)
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(hide-stream-status)
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(hide-reconnect-button)
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(when *reconnect-timeout*
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(clear-timeout *reconnect-timeout*)
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(setf *reconnect-timeout* nil)))))
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;; Pause handler - track when paused for long pause detection
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(ps:chain audio-element
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(add-event-listener "pause"
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(lambda ()
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(setf *last-play-attempt* (ps:chain |Date| (now))))))
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;; Play handler - detect long pauses that need reconnection
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(ps:chain audio-element
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(add-event-listener "play"
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(lambda ()
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(let ((pause-duration (- (ps:chain |Date| (now)) *last-play-attempt*)))
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;; If paused for more than 30 seconds, reconnect to get fresh stream
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(when (> pause-duration 30000)
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(ps:chain console (log "Long pause detected, reconnecting for fresh stream..."))
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(reconnect-stream))))))
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;; Spectrum analyzer hooks
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(when (ps:@ window |initSpectrumAnalyzer|)
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(ps:chain audio-element (add-event-listener "play"
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(lambda () (ps:chain window (init-spectrum-analyzer))))))
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(when (ps:@ window |stopSpectrumAnalyzer|)
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(ps:chain audio-element (add-event-listener "pause"
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(lambda () (ps:chain window (stop-spectrum-analyzer)))))))
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(defun redirect-when-frame ()
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(let* ((path (ps:@ window location pathname))
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(is-frameset-page (not (= (ps:@ window parent) (ps:@ window self))))
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(is-content-frame (ps:chain path (includes "asteroid/content"))))
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(when (and is-frameset-page (not is-content-frame))
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(setf (ps:@ window location href) "/asteroid/content"))
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(when (and (not is-frameset-page) is-content-frame)
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(setf (ps:@ window location href) "/asteroid"))))
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;; Initialize on page load
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(ps:chain document
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(add-event-listener
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"DOMContentLoaded"
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(lambda ()
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;; Update stream information
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(update-stream-information)
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;; Periodically update stream info if in frameset
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(let ((is-frameset-page (not (= (ps:@ window parent) (ps:@ window self)))))
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(when is-frameset-page
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(set-interval update-stream-information 10000)))
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;; Update now playing
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(update-now-playing)
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;; Attach event listeners to audio element
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(let ((audio-element (ps:chain document (get-element-by-id "live-audio"))))
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(when audio-element
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(attach-audio-event-listeners audio-element)))
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;; Check frameset preference
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(let ((path (ps:@ window location pathname))
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(is-frameset-page (not (= (ps:@ window parent) (ps:@ window self)))))
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(when (and (= (ps:chain local-storage (get-item "useFrameset")) "true")
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(not is-frameset-page)
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(ps:chain path (includes "/asteroid")))
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(setf (ps:@ window location href) "/asteroid/frameset"))
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(redirect-when-frame)))))
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;; Update now playing every 5 seconds
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(set-interval update-now-playing 5000)
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;; Listen for messages from popout window
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(ps:chain window
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(add-event-listener
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"message"
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(lambda (event)
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(cond
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((= (ps:@ event data type) "popout-opened")
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(update-popout-button t))
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((= (ps:@ event data type) "popout-closed")
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(update-popout-button nil)
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(setf *popout-window* nil))))))
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;; Check if popout is still open periodically
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(set-interval
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(lambda ()
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(when (and *popout-window* (ps:@ *popout-window* closed))
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(update-popout-button nil)
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(setf *popout-window* nil)))
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1000)))
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"Compiled JavaScript for front-page - generated at load time")
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(defun generate-front-page-js ()
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"Return the pre-compiled JavaScript for front page"
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*front-page-js*)
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