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Bug 1125364 - Check to make sure content window isn't null after paring document (Android patch). r=mfinkle

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This commit is contained in:
Margaret Leibovic 2015-01-23 15:58:53 -08:00
parent a4cb351d42
commit 25a5adf89e
1 changed files with 6 additions and 3 deletions
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9
mobile/android/chrome/content/content.js
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@ -66,12 +66,15 @@ let AboutReaderListener = {
sendAsyncMessage("Reader:UpdateReaderButton", { isArticle: false });
ReaderMode.parseDocument(content.document).then(article => {
// Do nothing if there is no article, or if the content window has been destroyed.
if (article === null || content === null) {
return;
}
// The loaded page may have changed while we were parsing the document.
// Make sure we've got the current one.
let currentURL = Services.io.newURI(content.document.documentURI, null, null).specIgnoringRef;
// Do nothing if there's no article or the page in this tab has changed.
if (article == null || (article.url != currentURL)) {
if (article.url !== currentURL) {
return;
}