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Merge pull request #983 from merkste/opera-worker-issues

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Added fallback to fake worker if serialization of typed array fails.
This commit is contained in:
notmasteryet 2011-12-28 14:14:18 -08:00
commit d6e1c8f526
1 changed files with 24 additions and 25 deletions
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49
src/core.js
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@ -579,36 +579,35 @@ var PDFDoc = (function PDFDocClosure() {
throw 'No PDFJS.workerSrc specified';
}
var worker;
try {
worker = new Worker(workerSrc);
} catch (e) {
// Some versions of FF can't create a worker on localhost, see:
// https://bugzilla.mozilla.org/show_bug.cgi?id=683280
globalScope.PDFJS.disableWorker = true;
this.setupFakeWorker();
var worker = new Worker(workerSrc);
var messageHandler = new MessageHandler('main', worker);
// Tell the worker the file it was created from.
messageHandler.send('workerSrc', workerSrc);
messageHandler.on('test', function pdfDocTest(supportTypedArray) {
if (supportTypedArray) {
this.worker = worker;
this.setupMessageHandler(messageHandler);
} else {
globalScope.PDFJS.disableWorker = true;
this.setupFakeWorker();
}
}.bind(this));
var testObj = new Uint8Array(1);
// Some versions of Opera throw a DATA_CLONE_ERR on
// serializing the typed array.
messageHandler.send('test', testObj);
return;
}
var messageHandler = new MessageHandler('main', worker);
// Tell the worker the file it was created from.
messageHandler.send('workerSrc', workerSrc);
messageHandler.on('test', function pdfDocTest(supportTypedArray) {
if (supportTypedArray) {
this.worker = worker;
this.setupMessageHandler(messageHandler);
} else {
this.setupFakeWorker();
}
}.bind(this));
var testObj = new Uint8Array(1);
messageHandler.send('test', testObj);
} else {
this.setupFakeWorker();
} catch (e) {}
}
// Either workers are disabled, not supported or have thrown an exception.
// Thus, we fallback to a faked worker.
globalScope.PDFJS.disableWorker = true;
this.setupFakeWorker();
}
PDFDoc.prototype = {