feat(viewer): vendor the Viewer app in-tree

.gitignore

@@ -47,6 +47,7 @@ node_modules/
 !/apps/theming
 !/apps/twofactor_backupcodes
 !/apps/user_status
+!/apps/viewer
 !/apps/weather_status
 !/apps/webhook_listeners
 !/apps/workflowengine

.tx/config

@@ -205,3 +205,9 @@ file_filter = translationfiles/<lang>/workflowengine.po
 source_file = translationfiles/templates/workflowengine.pot
 source_lang = en
 type        = PO
+
+[o:nextcloud:p:nextcloud:r:viewer]
+file_filter = translationfiles/<lang>/viewer.po
+source_file = translationfiles/templates/viewer.pot
+source_lang = en
+type        = PO

REUSE.toml

@@ -344,3 +344,87 @@ path = ["openapi.json", ".envrc", "flake.nix", "flake.lock", "build/eslint-basel
 precedence = "aggregate"
 SPDX-FileCopyrightText = "2025 Nextcloud GmbH and Nextcloud contributors"
 SPDX-License-Identifier = "AGPL-3.0-or-later"
+
+[[annotations]]
+path = ["apps/viewer/l10n/**.js", "apps/viewer/l10n/**.json"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2019 Nextcloud translators <https://www.transifex.com/nextcloud/>"
+SPDX-License-Identifier = "AGPL-3.0-or-later"
+
+[[annotations]]
+path = ["apps/viewer/img/blank.mp4"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2023 Nextcloud GmbH and Nextcloud contributors"
+SPDX-License-Identifier = "AGPL-3.0-or-later"
+
+[[annotations]]
+path = ["apps/viewer/img/app.svg"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2018-2024 Google LLC"
+SPDX-License-Identifier = "Apache-2.0"
+
+[[annotations]]
+path = ["apps/viewer/img/plyr.svg"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "Sam Potts <sam@potts.es>"
+SPDX-License-Identifier = "MIT"
+
+[[annotations]]
+path = ["apps/viewer/composer.json", "apps/viewer/composer.lock"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2016-2024 Nextcloud GmbH and Nextcloud contributors"
+SPDX-License-Identifier = "CC0-1.0"
+
+[[annotations]]
+path = ["apps/viewer/src/assets/menu-sidebar-white.svg", "apps/viewer/tests/psalm-baseline.xml"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2019 Nextcloud GmbH and Nextcloud contributors"
+SPDX-License-Identifier = "AGPL-3.0-or-later"
+
+[[annotations]]
+path = ["tests/playwright/e2e/viewer/fixtures/image.gif", "tests/playwright/e2e/viewer/fixtures/image.ico", "tests/playwright/e2e/viewer/fixtures/image.svg", "tests/playwright/e2e/viewer/fixtures/image-small.png", "tests/playwright/e2e/viewer/fixtures/image-apng.png"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2019 Nextcloud GmbH"
+SPDX-License-Identifier = "LicenseRef-NextcloudTrademarks"
+
+[[annotations]]
+path = ["tests/playwright/e2e/viewer/fixtures/image1.jpg"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2019 Stephen Leonardi <https://unsplash.com/@leo_visions_> <https://unsplash.com/photos/rock-formation-with-lava-during-daytime-eSNjFDbw_i4>"
+SPDX-License-Identifier = "LicenseRef-Unsplash"
+
+[[annotations]]
+path = ["tests/playwright/e2e/viewer/fixtures/image2.jpg"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2019 Tom Gainor <https://unsplash.com/@its_tgain> <https://unsplash.com/photos/mountain-cliff-under-starry-night-KidY3t8O4PE>"
+SPDX-License-Identifier = "LicenseRef-Unsplash"
+
+[[annotations]]
+path = ["tests/playwright/e2e/viewer/fixtures/image4.jpg"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2019 Vincent Riszdorfer <https://unsplash.com/@theguywithacamera> <https://unsplash.com/photos/person-about-to-claim-mountain-Q6X1ifPIfjs>"
+SPDX-License-Identifier = "LicenseRef-Unsplash"
+
+[[annotations]]
+path = ["tests/playwright/e2e/viewer/fixtures/video.mkv", "tests/playwright/e2e/viewer/fixtures/video.ogv", "tests/playwright/e2e/viewer/fixtures/video.webm", "tests/playwright/e2e/viewer/fixtures/video1.mp4"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2012 AnRo0002 <https://commons.wikimedia.org/wiki/User:AnRo0002>"
+SPDX-License-Identifier = "CC0-1.0"
+
+[[annotations]]
+path = ["tests/playwright/e2e/viewer/fixtures/audio.mp3", "tests/playwright/e2e/viewer/fixtures/audio.ogg"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2022 AC Krah <https://commons.wikimedia.org/wiki/User:AC_Krah>"
+SPDX-License-Identifier = "CC0-1.0"
+
+[[annotations]]
+path = ["tests/playwright/e2e/viewer/fixtures/image3.jpg"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2013 Wilfredor <https://commons.wikimedia.org/wiki/User:Wilfredor>"
+SPDX-License-Identifier = "CC0-1.0"
+
+[[annotations]]
+path = ["tests/playwright/e2e/viewer/fixtures/image.png", "tests/playwright/e2e/viewer/fixtures/image.webp"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2024 Master Unknown <https://unsplash.com/@exp00>"
+SPDX-License-Identifier = "LicenseRef-Unsplash"

apps/viewer/.nextcloudignore

@@ -0,0 +1,4 @@
+# SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+/playwright

apps/viewer/.npmignore

@@ -0,0 +1,3 @@
+# SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: AGPL-3.0-or-later
+node_modules

apps/viewer/.stylelintignore

@@ -0,0 +1,3 @@
+# SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: AGPL-3.0-or-later
+src/assets

apps/viewer/AUTHORS.md

@@ -0,0 +1,65 @@
+<!--
+  - SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+  - SPDX-License-Identifier: AGPL-3.0-or-later
+-->
+# Authors
+
+- Adrian Thiele <adrian.thiele@live.de>
+- Andy Scherzinger <info@andy-scherzinger.de>
+- Anna Larch <anna@nextcloud.com>
+- Arne Hamann <git@arne.email>
+- Arthur Schiwon <blizzz@arthur-schiwon.de>
+- Axel Pirek <axel.pirek@protonmail.com>
+- Azul <azul@riseup.net>
+- Birk <birkb@users.noreply.github.com>
+- Carl Schwan <carl@carlschwan.eu>
+- Christoph Wurst <christoph@winzerhof-wurst.at>
+- Christopher Ng <chrng8@gmail.com>
+- Corentin Mors <corentin.mors@dashlane.com>
+- Daniel Calviño Sánchez <danxuliu@gmail.com>
+- Daniel Kesselberg <mail@danielkesselberg.de>
+- Dariusz Olszewski <starypatyk@users.noreply.github.com>
+- Eduardo Morales <emoral435@gmail.com>
+- fenn-cs <fenn25.fn@gmail.com>
+- Ferdinand Thiessen <opensource@fthiessen.de>
+- Florent Fayolle <florent.fayolle69@gmail.com>
+- Gary Kim <gary@garykim.dev>
+- Grigorii K. Shartsev <me@shgk.me>
+- Hamza Mahjoubi <hamzamahjoubi221@gmail.com>
+- Jakob Röhrl <jakob.roehrl@web.de>
+- Jakub Fiser <jakub@ufiseru.cz>
+- Jan-Christoph Borchardt <hey@jancborchardt.net>
+- jld3103 <jld3103yt@gmail.com>
+- Joas Schilling <coding@schilljs.com>
+- John Molakvoæ <skjnldsv@protonmail.com>
+- Jonas Meurer <jonas@freesources.org>
+- Julia Kirschenheuter <julia.kirschenheuter@nextcloud.com>
+- Julien Veyssier <eneiluj@posteo.net>
+- Julius Härtl <jus@bitgrid.net>
+- k9yyy <yyy3752@gmail.com>
+- Louis Chemineau <louis@chmn.me>
+- Luka Trovic <luka@nextcloud.com>
+- Marcel Müller <marcel-mueller@gmx.de>
+- Marco <marcoambrosini@pm.me>
+- Marius Blüm <marius@lineone.io>
+- Max <max@nextcloud.com>
+- Morris Jobke <hey@morrisjobke.de>
+- Pytal <24800714+Pytal@users.noreply.github.com>
+- rakekniven <2069590+rakekniven@users.noreply.github.com>
+- Raul <r.ferreira.fuentes@gmail.com>
+- Richard Steinmetz <richard@steinmetz.cloud>
+- Robbert Gurdeep Singh <git@beardhatcode.be>
+- Roeland Jago Douma <roeland@famdouma.nl>
+- root <szaimen@e.mail.de>
+- Sanskar Soni <sanskarsoni300@gmail.com>
+- Sebastian Steinmetz <462714+steiny2k@users.noreply.github.com>
+- Simon L. <szaimen@e.mail.de>
+- szaimen <szaimen@e.mail.de>
+- Talv <krz.krawczuk@gmail.com>
+- Tobias Speicher <rootcommander@gmail.com>
+- umgfoin <umgfoin@users.noreply.github.com>
+- Valdnet <47037905+Valdnet@users.noreply.github.com>
+- Vanessa Pertsch <vanessa.pertsch@posteo.de>
+- Varun Patil <varunpatil@ucla.edu>
+- Vincent Petry <vincent@nextcloud.com>
+- XinRoom <32238570+XinRoom@users.noreply.github.com>