Unfortunately, we can't get rid of the Gtk+/Clipboard hacks yet. There is
still a synchronous API for reading the clipboard
(document.execCommand("paste")) which is exposed to webextensions.
Beyond that, we'd need to read the clipboard asynchronously for ctrl-V
paste events. For now, I don't intend to get my intern to actually modify
the platform code to make it async, but rather to expose the new API to web
content.
On Tue, May 15, 2018 at 4:03 AM, Martin Stransky <stran...@redhat.com>
wrote:
> That would be really awesome to get rid of all Gtk+/Clipboard hacks we
> have there to transfer async clipboard on Linux to sync at Gecko....so does
> it mean we can provide async clipboard only on toolkit/widget code level?
>
> ma.
>
>
> On 05/14/2018 11:05 PM, Nika Layzell wrote:
>
>> In about a week, my intern will be starting. As an initial project, I
>> intend for her to implement the Async Clipboard API.
>>
>> Summary: The Async Clipboard API provides a more modern and performant
>> interface to the user's clipboard. This API is intended to replace many
>> consumers of the existing `document.execCommand("copy"/"cut")`.
>>
>> Example Usage:
>> navigator.clipboard.writeText("text").then(...)
>>
>> Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1461465
>>
>> Link to standard: https://w3c.github.io/clipboar
>> d-apis/#async-clipboard-api
>>
>> Platform coverage: All
>>
>> Estimated or target release: Firefox 63 (estimated)
>>
>> Preference behind which this will be implemented:
>> 'dom.events.asyncClipboard'
>> The full `write`/`read` APIs will be exposed to the web behind an
>> additional
>> preference of 'dom.events.asyncClipboard.dataTransfer', so we can ship
>> the text APIs separately.
>>
>> DevTools bug: N/A
>>
>> Do other browser engines implement this?
>> Chrome: Shipped (since version 66)
>> Edge, Safari: Public Support (according to
>> https://www.chromestatus.com/features/5861289330999296)
>>
>> web-platform-tests: A test for this API has already been created by the
>> chrome team (
>> https://searchfox.org/mozilla-central/rev/2b9779c59390ecc47b
>> e7a70d99753653d8eb5afc/testing/web-platform/tests/clipboard-apis/async-
>> navigator-clipboard-basics.https.html
>> )
>>
>> Secure Contexts Only: Yes, this API will only be exposed to secure
>> contexts.
>>
>> Security & Privacy Concerns: This API exposes no new capabilities to the
>> web platform. Instead, it provides a more performant and ergonomic API to
>> replace most users of `execCommand("copy"/"cut")`. -- We do not intend to
>> expose the ability to read from the clipboard (the Clipboard.read and
>> Clipboard.readText APIs) to the web at this time. These APIs will only be
>> usable by extensions which have requested the appropriate permissions. --
>> Exposing `Clipboard.write` (the full DataTransfer API) to the web will
>> also
>> occur behind a separate preference.
>> _______________________________________________
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>> dev-platform@lists.mozilla.org
>> https://lists.mozilla.org/listinfo/dev-platform
>>
>>
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