security-and-privacy/CanvasBlocker
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Prevented error message when notifications where triggered on preview, which is not possible.

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kkapsner 2017-01-31 20:03:48 +01:00
parent ec1ae73cda
commit 9c7e842f4b
1 changed files with 8 additions and 1 deletions
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9
lib/notifications.js
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@ -23,10 +23,17 @@ exports.notify = function({url, errorStack, messageId}, {lists, notificationPref
var tab, tabBrowser; var tab, tabBrowser;
if (browser){ if (browser){
window = tabUtils.getOwnerWindow(browser); window = tabUtils.getOwnerWindow(browser);
if (!window){
return;
}
tab = tabUtils.getTabForBrowser(browser); tab = tabUtils.getTabForBrowser(browser);
if (!tab){
// page ist displayed in preview
return;
}
tabBrowser = tabUtils.getTabBrowser(window); tabBrowser = tabUtils.getTabBrowser(window);
} }
else if (window){ else if (window){
tab = tabUtils.getTabForContentWindow(window); tab = tabUtils.getTabForContentWindow(window);
tabBrowser = tabUtils.getTabBrowserForTab(tab); tabBrowser = tabUtils.getTabBrowserForTab(tab);
browser = tabUtils.getBrowserForTab(tab); browser = tabUtils.getBrowserForTab(tab);