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I've been testing Collabora Online with Nextcloud on Android, and I've noticed some content displaying behind the onscreen keyboard as follows: There are two viewports on the web, the "visual" viewport (what you actually see) and the "layout" viewport (how the browser draws the page). The onscreen keyboard popping up used to resize the layout viewport. In newer Android versions, the onscreen keyboard by default resizes the visual viewport rather than the layout viewport. Unfortunately, the visual viewport isn't propagated through iframes, as per MDN docs which state: > Only the top-level window has a visual viewport that's distinct from > the layout viewport. Therefore, it's generally only the VisualViewport > object of the top-level window that's useful. For an <iframe>, visual > viewport metrics like VisualViewport.width always correspond to layout > viewport metrics like document.documentElement.clientWidth. (Quote from [VisualViewport page on MDN Docs][VV], by Mozilla Contributors under [CC-BY-SA v2.5][VVLICENSE]) [VV]: https://developer.mozilla.org/en-US/docs/Web/API/VisualViewport [VVLICENSE]: https://creativecommons.org/licenses/by-sa/2.5/ This leads to Collabora Online seeing the viewport as the size of its iframe in all cases. When the onscreen keyboard is up, this causes some parts of the app (the bottom toolbar) to be hidden as they are behind the keyboard. The intention is for this toolbar to instead float above the keyboard. I've done some investigation and this would be a problem on iOS/iPadOS too... it would be, except Julius has already written code to fix it (thanks Julius!). The code I'm talking about was in `src/helpers/safariFixer.js`, its job was to resize the richdocuments frame in place of the browser. It was previously gated to only running on iOS, but we can make it broader so it encompasses all browsers - including those running on Android devices. If we change that code to fix things other than Safari, the name no longer makes sense. Therefore, let's rename it to `mobileFixer.js` as well Finally, it's worth noting that this doesn't work in every browser I tested. Notably [Fennec][FENNEC] doesn't appear to correctly resize the visual viewport so this fix doesn't work over there. Notwithstanding, this fix does appear to work in both Play Store Chrome and Play Store Firefox which is a lot better than not working at all. Potential fixes for Fennec were considered possibly too risky: we could set a meta tag with `name="viewport"` and `content="interactive-widget=resizes-content"` but this would need to be set even when richdocuments isn't in use (or isn't installed!). Therefore, we'll have to cope with the state of things as they are for now... [FENNEC]: https://f-droid.org/en/packages/org.mozilla.fennec_fdroid/ Signed-off-by: Skyler Grey <skyler.grey@collabora.com> |
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Nextcloud Office
A Nextcloud app integrating Collabora Online into your Nextcloud!
Nextcloud Office supports editing your documents in real time with multiple other editors, showing high fidelity, WYSIWYG rendering and preserving the layout and formatting of your documents.
Users can insert and reply to comments and invite others without a Nextcloud account for anonymous editing of files with a public link shared folder.
Nextcloud Office supports dozens of document formats including DOC, DOCX, PPT, PPTX, XLS, XLSX + ODF, Import/View Visio, Publisher and many more…
Nextcloud Office is based on the Collabora Online Development Edition (CODE) and is available free and under heavy development, adding features and improvements all the time! Enterprise users have access to the more stable, scalable Collabora Online Enterprise based version through a Nextcloud support subscription.
Installation
Nextcloud Office is built on Collabora Online which requires a dedicated service running next to the Nextcloud webserver stack. There are several ways to run the coolwsd service. For full details, see the related section in the admin manual https://docs.nextcloud.com/server/latest/admin_manual/office/index.html
This repository covers only the Nextcloud integration app which requires a Collabora Online server to connect to.
Note: it is possible to use Collabora Online’s integration with re-compiled and/or re-branded backends. This app may work with other WOPI Edtiors such as LibreOffice Online but it is not tested.
Federated editing / Global Scale
Collaborative editing of federated documents requires richdocuments version 3.4 on all involved servers. Besides that the following conditions must be met:
- Make sure the remote server is added as a trusted server
- Allow any domain to embed Collabora Online in a frame:
<frame_ancestors>https://*</frame_ancestors>must be set in coolwsd.xml
Note: Due to our content security policy we cannot open a document on a remote instance without reloading the page to allow Nextcloud embedding the remote Collabora Online instance in a frame.
AI document generation
This app is able to generate office documents from a prompt using AI. See the AI doc.
Development setup
Just clone this repo into your apps directory (Nextcloud server installation needed). Additionally, npm, Node.js, and Composer are needed for installing JavaScript dependencies and building the frontend code.
Once npm, Node.js, and Composer are installed, this can be done by running:
composer install
npm ci
npm run dev
Support
Enterprise users who need a more reliable and scalable solution can take advantage of Nextcloud GmbH's optional support contract for Collabora Online. Find out more about Enterprise support for Collabora Online over here: https://nextcloud.com/enterprise/