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Diffstat (limited to 'apps/system/js/sound_manager.js')
| -rw-r--r-- | apps/system/js/sound_manager.js | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/apps/system/js/sound_manager.js b/apps/system/js/sound_manager.js deleted file mode 100644 index 52dfc06..0000000 --- a/apps/system/js/sound_manager.js +++ /dev/null @@ -1,242 +0,0 @@ -/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- / -/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ - -'use strict'; - -(function() { - window.addEventListener('volumeup', function() { - if (onBTEarphoneConnected() && onCall()) { - changeVolume(1, 'bt_sco'); - } else { - changeVolume(1); - } - }); - window.addEventListener('volumedown', function() { - if (onBTEarphoneConnected() && onCall()) { - changeVolume(-1, 'bt_sco'); - } else { - changeVolume(-1); - } - }); - - // Store the current active channel; - // change with 'audio-channel-changed' mozChromeEvent - var currentChannel = 'notification'; - - var vibrationEnabled = true; - - // This event is generated in shell.js in response to bluetooth headset. - // Bluetooth headset always assign audio volume to a specific value when - // pressing its volume-up/volume-down buttons. - window.addEventListener('mozChromeEvent', function(e) { - var type = e.detail.type; - if (type == 'bluetooth-volumeset') { - changeVolume(e.detail.value - currentVolume['bt_sco'], 'bt_sco'); - } else if (type == 'audio-channel-changed') { - currentChannel = e.detail.channel; - } - }); - - function onCall() { - if (currentChannel == 'telephony') - return true; - - // XXX: This work should be removed - // once we could get telephony channel change event - // https://bugzilla.mozilla.org/show_bug.cgi?id=819858 - var telephony = window.navigator.mozTelephony; - if (!telephony) - return false; - - return telephony.calls.some(function callIterator(call) { - return (call.state == 'connected'); - }); - } - - function onBTEarphoneConnected() { - var bluetooth = navigator.mozBluetooth; - if (!bluetooth) - return false; - - // 0x111E is for querying earphone type. - return navigator.mozBluetooth.isConnected(0x111E); - }; - - // Platform doesn't provide the maximum value of each channel - // therefore, hard code here. - var MAX_VOLUME = { - 'alarm': 15, - 'notification': 15, - 'telephony': 5, - 'content': 15, - 'bt_sco': 15 - }; - - // Please refer https://wiki.mozilla.org/WebAPI/AudioChannels > Settings - var currentVolume = { - 'alarm': 15, - 'notification': 15, - 'telephony': 5, - 'content': 15, - 'bt_sco': 15 - }; - var pendingRequestCount = 0; - - // We have three virtual states here: - // OFF -> VIBRATION -> MUTE - var muteState = 'OFF'; - - for (var channel in currentVolume) { - (function(channel) { - var setting = 'audio.volume.' + channel; - SettingsListener.observe(setting, 5, function onSettingsChange(volume) { - if (pendingRequestCount) - return; - - var max = MAX_VOLUME[channel]; - currentVolume[channel] = - parseInt(Math.max(0, Math.min(max, volume)), 10); - }); - })(channel); - } - - SettingsListener.observe('vibration.enabled', true, function(vibration) { - if (pendingRequestCount) - return; - - vibrationEnabled = vibration; - }); - - var activeTimeout = 0; - - // When hardware volume key is pressed, we need to decide which channel we - // should toggle. - // This method returns the string for setting key 'audio.volume.*' represents - // that. - // Note: this string does not always equal to currentChannel since some - // different channels are grouped together to listen to the same setting. - function getChannel() { - if (onCall()) - return 'telephony'; - - switch (currentChannel) { - case 'normal': - case 'content': - return 'content'; - case 'telephony': - return 'telephony'; - case 'alarm': - return 'alarm'; - case 'notification': - case 'ringer': - default: - return 'notification'; - } - } - - function getVolumeState(currentVolume, delta, channel) { - if (channel == 'notification') { - if (currentVolume + delta <= 0) { - if (currentVolume == 0 && vibrationEnabled) { - vibrationEnabled = false; - } else if (currentVolume > 0 && !vibrationEnabled) { - vibrationEnabled = true; - } - return 'MUTE'; - } else { - return 'OFF'; - } - } else { - if (currentVolume + delta <= 0) { - return 'MUTE'; - } else { - return 'OFF'; - } - } - } - - function changeVolume(delta, channel) { - channel = channel ? channel : getChannel(); - - muteState = getVolumeState(currentVolume[channel], delta, channel); - - var volume = currentVolume[channel] + delta; - - currentVolume[channel] = volume = - Math.max(0, Math.min(MAX_VOLUME[channel], volume)); - - var overlay = document.getElementById('system-overlay'); - var notification = document.getElementById('volume'); - var overlayClasses = overlay.classList; - var classes = notification.classList; - - switch (muteState) { - case 'OFF': - classes.remove('mute'); - if (vibrationEnabled) { - classes.add('vibration'); - } else { - classes.remove('vibration'); - } - break; - case 'MUTE': - classes.add('mute'); - if (channel == 'notification') { - if (vibrationEnabled) { - classes.add('vibration'); - SettingsListener.getSettingsLock().set({ - 'vibration.enabled': true - }); - } else { - classes.remove('vibration'); - SettingsListener.getSettingsLock().set({ - 'vibration.enabled': false - }); - } - } - break; - } - - var steps = - Array.prototype.slice.call(notification.querySelectorAll('div'), 0); - - for (var i = 0; i < steps.length; i++) { - var step = steps[i]; - if (i < volume) { - step.classList.add('active'); - } else { - step.classList.remove('active'); - } - } - - overlayClasses.add('volume'); - classes.add('visible'); - window.clearTimeout(activeTimeout); - activeTimeout = window.setTimeout(function hideSound() { - overlayClasses.remove('volume'); - classes.remove('visible'); - }, 1500); - - if (!window.navigator.mozSettings) - return; - - pendingRequestCount++; - var req; - - notification.dataset.channel = channel; - - var settingObject = {}; - settingObject['audio.volume.' + channel] = volume; - - req = SettingsListener.getSettingsLock().set(settingObject); - - req.onsuccess = function onSuccess() { - pendingRequestCount--; - }; - - req.onerror = function onError() { - pendingRequestCount--; - }; - } -})(); - |