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Only call callback if really defined

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Uwe L. Korn
2014-06-10 16:12:05 +01:00
parent e47a0e7405
commit 705050aee8
1 changed files with 3 additions and 1 deletions
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4
data/js/tomahawk.js
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@@ -324,7 +324,9 @@ Tomahawk.retrievedMetadata = function(metadataId, metadata, error) {
} }
// Call the real callback // Call the real callback
Tomahawk.retrieveMetadataCallbacks[metadataId](metadata, error); if (Tomahawk.retrieveMetadataCallbacks.hasOwnProperty(metadataId)) {
Tomahawk.retrieveMetadataCallbacks[metadataId](metadata, error);
}
// Callback are only used once. // Callback are only used once.
delete Tomahawk.retrieveMetadataCallbacks[metadataId]; delete Tomahawk.retrieveMetadataCallbacks[metadataId];