On Tue, Aug 1, 2023, 06:01 Balazs Engedy <[email protected]> wrote:

> For clarity, are the per-device permissions persisted across visits? If
> so, what device attribute(s) do we use to form a device identifier to key
> that permission on?
>

Yes, the Bluetooth device MAC address.

On Thursday, July 27, 2023 at 7:06:37 PM UTC+2 Reilly Grant wrote:
>
>> That behavior is to be expected. The "2" and ":59:NN PM" are being
>> received as separate events based on how the converter chips decide to pack
>> serial data (which arrives one byte at a time) into Bluetooth or USB
>> packets which contain multiple bytes.
>> Reilly Grant | Software Engineer | [email protected] | Google Chrome
>> <https://www.google.com/chrome>
>>
>>
>> On Thu, Jul 27, 2023 at 9:02 AM Mike Taylor <[email protected]>
>> wrote:
>>
>>> LGTM1 to ship.
>>>
>>> (I'll leave you to figure out why the BT Serial port sometimes sent
>>> "2:59:NN PM" and sometimes received ":59:NN PM" :))
>>> On 7/26/23 6:15 PM, Matt Reynolds wrote:
>>>
>>> Here's a short demo video that shows the permission UI:
>>>
>>> https://drive.google.com/file/d/1Y_Ito9P-EourYa7ofL_qQMOmmvBIhwpT/view
>>>
>>> Demo source:
>>>
>>> https://nondebug.github.io/bluetooth-serial-port-demo/
>>>
>>> Off-screen I connected a HC-06 wireless Bluetooth serial transceiver
>>> <https://amzn.com/dp/B01FCQZ8VW> to a USB serial adapter
>>> <https://amzn.com/dp/B07BBPX8B8>. The demo uses Web Serial API to
>>> connect to both devices, then sends data over USB and shows that it is
>>> received from the HC-06 over Bluetooth.
>>>
>>>
>>> On Wed, Jul 26, 2023 at 2:13 PM Mike Taylor <[email protected]>
>>> wrote:
>>>
>>>> LGTM1 - thanks for the well-written explainer.
>>>> On 7/26/23 4:20 PM, Alex Russell wrote:
>>>>
>>>> Sounds good; thanks for explaining.
>>>>
>>>> On Wednesday, July 26, 2023 at 1:02:00 PM UTC-7 Reilly Grant wrote:
>>>>
>>>>> On Wed, Jul 26, 2023 at 10:03 AM Alex Russell <
>>>>> [email protected]> wrote:
>>>>>
>>>>>> A screenshot would go a long way.
>>>>>>
>>>>>> Exciting to hear there's a partner that want this.
>>>>>>
>>>>>> Also, was there consideration of an OT? A strong reason to avoid?
>>>>>>
>>>>>
>>>>> The change to the API is very small and we had strong developer
>>>>> feedback during development that the API worked for them. I also feel that
>>>>> this kind of feature is a poor fit for an Origin Trial because it's not
>>>>> something where you can measure the impact with or without the capability
>>>>> as the capability is fundamentallyᅠnecessary for the existenceᅠof the web
>>>>> app. At that point the only benefit of an OT would be to ship an end-user
>>>>> application early, but it wouldn't be a true experiment.
>>>>>
>>>>>
>>>>>> On Wednesday, July 26, 2023 at 9:55:25 AM UTC-7 Reilly Grant wrote:
>>>>>>
>>>>>>> On Wed, Jul 26, 2023 at 9:05 AM Alex Russell <
>>>>>>> [email protected]> wrote:
>>>>>>>
>>>>>>>> I'm going to have to stay recused on this vote, but just want to
>>>>>>>> lend my fullest non-voting support to shipping ASAP. This is excellent
>>>>>>>> work, and I can see you've dotted i's and crossed t's in anticipation 
>>>>>>>> of a
>>>>>>>> full shakedown here. Thanks for doing it.
>>>>>>>>
>>>>>>>> It might be helpful for others evaluating the proposal to have a
>>>>>>>> demo or video to look at regarding the permissions UI/UX that this 
>>>>>>>> will sit
>>>>>>>> behind; is it possible to add something like that to your Explainer? 
>>>>>>>> And
>>>>>>>> are there users who can vouch for the utility of this feature for their
>>>>>>>> use-cases?
>>>>>>>>
>>>>>>>
>>>>>>> Unfortunately the hardware our partner is working on is still
>>>>>>> confidential so I can't share a real-worldᅠuse case. They're very 
>>>>>>> excited
>>>>>>> about being able to use a web app. We can put together a demo video 
>>>>>>> with a
>>>>>>> generic Bluetooth serial device but it will be pretty boring because
>>>>>>> theᅠpermissions UIᅠlooks identical toᅠselecting a wired serial port. We
>>>>>>> only support connecting to devices that are already paired with the 
>>>>>>> system
>>>>>>> so it doesn't use the more complex scanning UX that you see for Web
>>>>>>> Bluetooth.ᅠᅠ
>>>>>>>
>>>>>>>
>>>>>>>> Thanks,
>>>>>>>>
>>>>>>>> Alex
>>>>>>>>
>>>>>>>> On Tuesday, July 25, 2023 at 1:47:30 PM UTC-7 [email protected]
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Contact emails
>>>>>>>>>
>>>>>>>>> [email protected], [email protected]
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Explainer
>>>>>>>>>
>>>>>>>>> https://github.com/WICG/serial/blob/main/EXPLAINER_BLUETOOTH.md
>>>>>>>>>
>>>>>>>>> Specification
>>>>>>>>>
>>>>>>>>> https://github.com/WICG/serial/pull/189
>>>>>>>>>
>>>>>>>>> Summary
>>>>>>>>>
>>>>>>>>> Support Bluetooth RFCOMM services in the Web Serial API. The
>>>>>>>>> Bluetooth RFCOMM (Radio frequency communication) protocol provides 
>>>>>>>>> emulated
>>>>>>>>> RS-232 serial ports. This feature enables applications to make 
>>>>>>>>> connections
>>>>>>>>> to RFCOMM services on paired Bluetooth Classic devices using the Web 
>>>>>>>>> Serial
>>>>>>>>> API.
>>>>>>>>>
>>>>>>>>> Blink component
>>>>>>>>>
>>>>>>>>> Blink>Serial
>>>>>>>>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ESerial>
>>>>>>>>>
>>>>>>>>> TAG review
>>>>>>>>>
>>>>>>>>> https://github.com/w3ctag/design-reviews/issues/854
>>>>>>>>>
>>>>>>>>> TAG review status
>>>>>>>>>
>>>>>>>>> Pending
>>>>>>>>>
>>>>>>>>> Risks
>>>>>>>>>
>>>>>>>>> Interoperability and Compatibility
>>>>>>>>>
>>>>>>>>> Web Serial API is only implemented in Chromium. Other browser
>>>>>>>>> vendors have expressed negative views regarding the API and are 
>>>>>>>>> unlikely to
>>>>>>>>> implement it.
>>>>>>>>>
>>>>>>>>> This feature will not affect compatibility in existing apps. The
>>>>>>>>> feature only adds support for connecting to new types of devices. 
>>>>>>>>> There are
>>>>>>>>> no changes for currently-supported devices.
>>>>>>>>>
>>>>>>>>> Gecko: Negative (
>>>>>>>>> https://github.com/mozilla/standards-positions/issues/687)
>>>>>>>>> Previous thread:
>>>>>>>>> https://github.com/mozilla/standards-positions/issues/336
>>>>>>>>>
>>>>>>>>> WebKit: Negative (
>>>>>>>>> https://github.com/WebKit/standards-positions/issues/199) See
>>>>>>>>> also: https://webkit.org/tracking-prevention/
>>>>>>>>>
>>>>>>>>> Web developers: Positive (
>>>>>>>>> https://bugs.chromium.org/p/chromium/issues/detail?id=1043300)
>>>>>>>>> Other Web developers have asked for this feature privately.
>>>>>>>>>
>>>>>>>>> Other signals:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Activation
>>>>>>>>>
>>>>>>>>> Developers can take advantage of this feature immediately. A
>>>>>>>>> polyfill is not possible because Bluetooth Classic devices cannot be
>>>>>>>>> accessed through any other web platform API.
>>>>>>>>>
>>>>>>>>> Security
>>>>>>>>>
>>>>>>>>> See
>>>>>>>>> https://github.com/WICG/serial/blob/main/security-privacy-questionnaire-bluetooth-rfcomm.md
>>>>>>>>> and Security Considerations in
>>>>>>>>> https://github.com/WICG/serial/blob/main/EXPLAINER_BLUETOOTH.md
>>>>>>>>>
>>>>>>>>> WebView application risks
>>>>>>>>>
>>>>>>>>> N/A
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Debuggability
>>>>>>>>>
>>>>>>>>> Debuggability is identical to wired serial ports.
>>>>>>>>>
>>>>>>>>> Will this feature be supported on all six Blink platforms
>>>>>>>>> (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)?
>>>>>>>>>
>>>>>>>>> No, this feature will be supported on desktop platforms only to
>>>>>>>>> begin with, matching the existing state of support for the Web Serial 
>>>>>>>>> API.
>>>>>>>>> Support for Android could be added in the future since unlike USB 
>>>>>>>>> serial
>>>>>>>>> devices, Android provides an API for Bluetooth RFCOMM.
>>>>>>>>>
>>>>>>>>> Is this feature fully tested by web-platform-tests
>>>>>>>>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
>>>>>>>>> ?
>>>>>>>>>
>>>>>>>>> No, the majority of this extension to the API is implemented in
>>>>>>>>> the browser process (connecting to Bluetooth devices through the 
>>>>>>>>> native
>>>>>>>>> platform APIs) and so isn’t testable with WPT.
>>>>>>>>>
>>>>>>>>> Flag name
>>>>>>>>>
>>>>>>>>> chrome://flags#enable-bluetooth-spp-in-serial-api
>>>>>>>>>
>>>>>>>>> Requires code in //chrome?
>>>>>>>>>
>>>>>>>>> Yes
>>>>>>>>>
>>>>>>>>> Tracking bug
>>>>>>>>>
>>>>>>>>> https://bugs.chromium.org/p/chromium/issues/detail?id=1043300
>>>>>>>>>
>>>>>>>>> Launch bug
>>>>>>>>>
>>>>>>>>> https://launch.corp.google.com/launch/4232649
>>>>>>>>>
>>>>>>>>> Estimated milestones
>>>>>>>>>
>>>>>>>>> 117
>>>>>>>>>
>>>>>>>>> Anticipated spec changes
>>>>>>>>>
>>>>>>>>> None
>>>>>>>>>
>>>>>>>>> Link to entry on the Chrome Platform Status
>>>>>>>>>
>>>>>>>>> https://chromestatus.com/feature/5686596809523200
>>>>>>>>>
>>>>>>>>> Links to previous Intent discussions
>>>>>>>>>
>>>>>>>>> Intent to prototype:
>>>>>>>>> https://groups.google.com/a/chromium.org/g/blink-dev/c/kOOZ3RIh0Ik
>>>>>>>>>
>>>>>>>>> This intent message was generated by Chrome Platform Status
>>>>>>>>> <https://chromestatus.com/>.
>>>>>>>>>
>>>>>>>>>
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>>>> .
>>>>
>>>>

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