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Prevent the error callback from being called twice

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This commit is contained in:
benbro 2012-07-18 21:41:36 +03:00
parent 2965bad38c
commit 813b5e78b0
1 changed files with 7 additions and 2 deletions
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9
src/core.js
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@ -52,8 +52,12 @@ function getPdf(arg, callback) {
if ('progress' in params)
xhr.onprogress = params.progress || undefined;
if ('error' in params)
var calledErrorBack = false;
if ('error' in params && !calledErrorBack) {
calledErrorBack = true;
xhr.onerror = params.error || undefined;
}
xhr.onreadystatechange = function getPdfOnreadystatechange(e) {
if (xhr.readyState === 4) {
@ -61,7 +65,8 @@ function getPdf(arg, callback) {
var data = (xhr.mozResponseArrayBuffer || xhr.mozResponse ||
xhr.responseArrayBuffer || xhr.response);
callback(data);
} else if (params.error) {
} else if (params.error && !calledErrorBack) {
calledErrorBack = true;
params.error(e);
}
}