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Fixes PreziPlayer crash when invalid message is received.

This commit is contained in:
paweldomas 2015-02-11 13:11:44 +01:00
parent ed57f72117
commit fed34e7671
1 changed files with 14 additions and 13 deletions
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13
modules/UI/prezi/PreziPlayer.js
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@ -33,21 +33,22 @@
var message, item, player; var message, item, player;
try { try {
message = JSON.parse(event.data); message = JSON.parse(event.data);
} catch (e) {} if (message.id && (player = PreziPlayer.players[message.id])) {
if (message.id && (player = PreziPlayer.players[message.id])){
if (player.options.debug === true) { if (player.options.debug === true) {
if (console && console.log) console.log('received', message); if (console && console.log)
console.log('received', message);
} }
if (message.type === "changes"){ if (message.type === "changes") {
player.changesHandler(message); player.changesHandler(message);
} }
for (var i=0; i<player.callbacks.length; i++) { for (var i = 0; i < player.callbacks.length; i++) {
item = player.callbacks[i]; item = player.callbacks[i];
if (item && message.type === item.event){ if (item && message.type === item.event) {
item.callback(message); item.callback(message);
} }
} }
} }
} catch (e) { }
}; };
function PreziPlayer(id, options) { function PreziPlayer(id, options) {