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From: Victoria Henry <[email protected]>
To: Aditya Toshniwal <[email protected]>
Cc: [email protected]
Cc: pgadmin-hackers <[email protected]>
Subject: Re: RM#3294 - User need to reset the layout to see the changed preferences parameters
Date: Tue, 12 Jun 2018 12:22:09 -0400
Message-ID: <CANxYE3J4wD1ZqyqTJV2Jv69_UWg7ky7bFzw=S8r4MOz_NtfOSg@mail.gmail.com> (raw)
In-Reply-To: <CAM9w-_mm2kxja3_WqoSxa8xyKkaDLBCZavvUhajtgaC7qn57OA@mail.gmail.com>
References: <CAM9w-_=G54p43OBgLB3kMQhQDosW2+7mu7sXtuPSCXxuiRhBhg@mail.gmail.com>
	<CAFiP3vw5U_zU_KysL1rPs1hQs0iMbW1ZgZ7WVC58x+0V-9Rc_g@mail.gmail.com>
	<CAM9w-_mm2kxja3_WqoSxa8xyKkaDLBCZavvUhajtgaC7qn57OA@mail.gmail.com>

Hi Aditya,


It is not possible to fire event in another tab/new browser window. For
>>> example, query tool can be open in another tab. And thus, changes are not
>>> reflected there. There are solutions available like updating the
>>> localStorage of the browser but those are not reliable and does not work
>>> properly on different browsers.
>>>
>> To communicate between browser tabs we can use cookie polling on client
>> side it self (at least it will avoid polling over http).
>> The main tab will update only preference specific cookie when preference
>> is updated and other tabs will poll required cookies (not all)
>> with specific interval (1 second can be configurable).
>>
> Polling is a solution but I think it should be the last option. http polls
> will not be required anyway as we have preference cache in the browser
> object.
>

Maybe it's better to poll only when an editor is open in a separate
window?  What would we be polling for and how would be tell the backend
that something changed during the poll?

Thanks
Victoria & Joao

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