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Fix "Object has been destroyed" error in "page-title-updated" event

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Close #4249.
This commit is contained in:
Cheng Zhao 2016-01-30 12:20:28 +08:00
parent 899294a040
commit 5d16257c2d
1 changed files with 10 additions and 8 deletions
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18
atom/browser/api/lib/browser-window.js
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@ -55,14 +55,16 @@ BrowserWindow.prototype._init = function() {
})(this));
// Change window title to page title.
this.webContents.on('page-title-updated', (function(_this) {
return function(event, title) {
_this.emit('page-title-updated', event, title);
if (!event.defaultPrevented) {
return _this.setTitle(title);
}
};
})(this));
this.webContents.on('page-title-updated', (event, title) => {
// The page-title-updated event is not emitted immediately (see #3645), so
// when the callback is called the BrowserWindow might have been closed.
if (this.isDestroyed())
return;
// Route the event to BrowserWindow.
this.emit('page-title-updated', event, title);
if (!event.defaultPrevented)
this.setTitle(title);
});
// Sometimes the webContents doesn't get focus when window is shown, so we have
// to force focusing on webContents in this case. The safest way is to focus it