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make sure event handlers aren't added multiple times

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Colin Frei 2013-08-08 07:37:41 +02:00
parent feb102251e
commit 06cc9ecd54
1 changed files with 33 additions and 11 deletions
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44
js/services.js
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@ -15,6 +15,8 @@ angular.module('podcasts.services', ['podcasts.utilities', 'podcasts.queueList',
audio.setAttribute("mozaudiochannel", "content"); audio.setAttribute("mozaudiochannel", "content");
var currentFeedItem = null; var currentFeedItem = null;
var nowPlaying = {position: 0, duration: 0, title: '', description: '', feed: '', date: 0}; var nowPlaying = {position: 0, duration: 0, title: '', description: '', feed: '', date: 0};
var hasOfflineErrorHandler = false;
var hasPauseEventListener = false;
var acm = navigator.mozAudioChannelManager; var acm = navigator.mozAudioChannelManager;
@ -26,10 +28,38 @@ angular.module('podcasts.services', ['podcasts.utilities', 'podcasts.queueList',
}); });
} }
function addOfflineErrorHandler($scope)
{
if (!hasOfflineErrorHandler) {
audio.addEventListener("error", function(event) {
console.log('Error when loading audio file, continuing to next file');
var nextFeedItemPromise = feedItems.getNextInQueue(currentFeedItem);
$rootScope.$apply(nextFeedItemPromise.then(function(nextFeedItem) {
play(nextFeedItem, $scope);
}));
});
hasOfflineErrorHandler = true;
}
}
function addPauseEventListener()
{
if (!hasPauseEventListener) {
audio.addEventListener("pause", function(event) {
console.log('paused audio');
currentFeedItem.position = Math.floor(event.target.currentTime);
db.put("feedItem", currentFeedItem);
});
hasPauseEventListener = true;
}
}
function play(feedItem, $scope) function play(feedItem, $scope)
{ {
var delayPlay = false; var delayPlay = false;
if (feedItem) { if (feedItem) {
console.log('playing: ' + feedItem.title); console.log('playing: ' + feedItem.title);
@ -47,6 +77,8 @@ angular.module('podcasts.services', ['podcasts.utilities', 'podcasts.queueList',
audio.src = audioSrc; audio.src = audioSrc;
updateSong(feedItem, $scope); updateSong(feedItem, $scope);
addOfflineErrorHandler($scope);
if (feedItem.position) { if (feedItem.position) {
delayPlay = true; delayPlay = true;
angular.element(audio).bind('canplay', function(event) { angular.element(audio).bind('canplay', function(event) {
@ -69,7 +101,6 @@ angular.module('podcasts.services', ['podcasts.utilities', 'podcasts.queueList',
console.log('got promise for next feed item'); console.log('got promise for next feed item');
$rootScope.$apply(nextFeedItemPromise.then(function(nextFeedItem) { $rootScope.$apply(nextFeedItemPromise.then(function(nextFeedItem) {
console.log('Got next Feed Item:'); console.log('Got next Feed Item:');
console.log(nextFeedItem);
console.log(nextFeedItem.title); console.log(nextFeedItem.title);
play(nextFeedItem, $scope); play(nextFeedItem, $scope);
@ -86,15 +117,6 @@ angular.module('podcasts.services', ['podcasts.utilities', 'podcasts.queueList',
angular.element(this).unbind(); angular.element(this).unbind();
}); });
//TODO: handle save when feedItem is not passed in
angular.element(audio).bind('pause', function(event) {
console.log('paused audio');
feedItem.position = Math.floor(event.target.currentTime);
db.put("feedItem", feedItem);
angular.element(this).unbind();
});
} }
function pause() function pause()