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Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows , Mac
Pri: 3
Type: Feature


Participants' hotlists:
Harmony-Cast-Dialog


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Support forcing tab mirroring over Cast app.

Project Member Reported by dbbrooks@chromium.org, Jun 28 2018

Issue description

Chrome Version: 69.0.3472.3
MR version: 6918.621.0.0
OS: Mac

What steps will reproduce the problem?
(1) Go to a youtube.com video.
(2) Open the cast dialog and select a device to cast to.
(3) Click the Other sources button

What is the expected result? A choice to do tab mirroring instead of use the sdk.

What happens instead? There is no choice to do tab mirroring.

I think the main case for implementing this feature was to have a workaround for sites that don't implement the sdk very well.
 
no_option_for_tab_casting.png
292 KB View Download
Here's a specific current case: 

1. Go to https://www.salon.com/2018/06/28/stephen-colbert-bemoans-justice-anthony-kennedys-retirement-we-are-supremely-screwed/
2. Cast the page.

Expected: The tab would be mirrored, or some content would be loaded and played on the receiver.

Actual: Receiver loads the default media receiver splash screen. (See screenshot)

In these cases, being able to manually select tab mirroring is pretty useful. 
default_media_receiver_splash_screen.jpg
1.5 MB View Download
Owner: dbbrooks@chromium.org
Status: Assigned (was: Untriaged)
David does this depend on the destination? When I attempt to Cast I get "tab" as a valid source. Does that force use of the Cast SDK?
Owner: johnpallett@chromium.org
So it looks like tab mirroring is an option in the source menu, but it doesn't force mirroring like expected on sites that support the sdk. The sites still use the SDK they way they would without the option selected.
"Tab" means either Cast app or tab mirroring, in that order of preference. Forcing mirroring over Cast app is no longer supported.
Summary: Support forcing tab mirroring over Cast app. (was: Can't choose to do tab mirroring over casting using the sdk.)
OK, so I updated the title to reflect that this feature isn't supported in the new UI. Do we want to add support for it?
John, is this a feature we'd still want?
Owner: powerb@chromium.org
Labels: -Type-Bug Type-Feature

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