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Merge pull request #2668 from vyv03354/bug834075

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Handle the error in case the sender is already unloaded
This commit is contained in:
Yury Delendik 2013-02-04 16:27:12 -08:00
commit f32233eaf9
1 changed files with 7 additions and 1 deletions
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6
extensions/firefox/components/PdfStreamConverter.js
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@ -473,7 +473,13 @@ RequestListener.prototype.receive = function(event) {
response = null; response = null;
} else { } else {
response = function sendResponse(response) { response = function sendResponse(response) {
try {
message.setUserData('response', response, null); message.setUserData('response', response, null);
} catch (e) {
// message is no longer accessible because the sender is already
// gone. the unloaded sender cannot receive the response anyway.
return false;
}
var listener = doc.createEvent('HTMLEvents'); var listener = doc.createEvent('HTMLEvents');
listener.initEvent('pdf.js.response', true, false); listener.initEvent('pdf.js.response', true, false);