From 005c84e12a79f8f81e66e46ad8e081afef8ac411 Mon Sep 17 00:00:00 2001
From: Herwig Hochleitner <herwig@bendlas.net>
Date: Tue, 27 Jun 2023 04:18:05 +0200
Subject: [PATCH] firefox-mobile: init (#206054)

---
 .../browsers/firefox/mobile-config.nix        | 113 ++++++++++++++++++
 pkgs/top-level/all-packages.nix               |   2 +
 2 files changed, 115 insertions(+)
 create mode 100644 pkgs/applications/networking/browsers/firefox/mobile-config.nix

diff --git a/pkgs/applications/networking/browsers/firefox/mobile-config.nix b/pkgs/applications/networking/browsers/firefox/mobile-config.nix
new file mode 100644
index 000000000000..6e43295697ea
--- /dev/null
+++ b/pkgs/applications/networking/browsers/firefox/mobile-config.nix
@@ -0,0 +1,113 @@
+{ stdenv, lib, runCommand, fetchFromGitLab, wrapFirefox, firefox-unwrapped }:
+
+let
+  pkg = fetchFromGitLab {
+    owner = "postmarketOS";
+    repo = "mobile-config-firefox";
+    rev = "ff2f07873f4ebc6e220da0e9b9f04c69f451edda";
+    sha256 = "sha256-8wRz8corz00+0qROMiOmZAddM4tjfmE91bx0+P8JNx4=";
+  };
+  userChrome = runCommand "userChrome.css" {} ''
+    cat ${pkg}/src/userChrome/*.css > $out
+  '';
+  userContent = runCommand "userContent.css" {} ''
+    cat ${pkg}/src/userContent/*.css > $out
+  '';
+in wrapFirefox firefox-unwrapped {
+  # extraPolicies = (lib.importJSON "${pkg}/src/policies.json").policies;
+  extraPoliciesFiles = [ "${pkg}/src/policies.json" ];
+  extraPrefs = ''
+    // Copyright 2022 Arnaud Ferraris, Oliver Smith
+    // SPDX-License-Identifier: MPL-2.0
+
+    // This is a Firefox autoconfig file:
+    // https://support.mozilla.org/en-US/kb/customizing-firefox-using-autoconfig
+
+    // Import custom userChrome.css on startup or new profile creation
+    const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
+    Cu.import("resource://gre/modules/Services.jsm");
+    Cu.import("resource://gre/modules/FileUtils.jsm");
+
+    var updated = false;
+
+    // Create <profile>/chrome/ directory if not already present
+    var chromeDir = Services.dirsvc.get("ProfD", Ci.nsIFile);
+    chromeDir.append("chrome");
+    if (!chromeDir.exists()) {
+        chromeDir.create(Ci.nsIFile.DIRECTORY_TYPE, FileUtils.PERMS_DIRECTORY);
+    }
+
+    // Create nsIFile objects for userChrome.css in <profile>/chrome/ and in /etc/
+    var chromeFile = chromeDir.clone();
+    chromeFile.append("userChrome.css");
+    var defaultChrome = new FileUtils.File("${userChrome}");
+
+    // No auto-upgrade. Should this be replaced with symlinking?
+    // // Remove the existing userChrome.css if older than the installed one
+    // if (chromeFile.exists() && defaultChrome.exists() &&
+    //   chromeFile.lastModifiedTime < defaultChrome.lastModifiedTime) {
+    //   chromeFile.remove(false);
+    // }
+
+    // Copy userChrome.css to <profile>/chrome/
+    if (!chromeFile.exists()) {
+      defaultChrome.copyTo(chromeDir, "userChrome.css");
+      updated = true;
+    }
+
+    // Create nsIFile objects for userContent.css in <profile>/chrome/ and in /etc/
+    var contentFile = chromeDir.clone();
+    contentFile.append("userContent.css");
+    var defaultContent = new FileUtils.File("${userContent}");
+
+    // No auto-upgrade. Should this be replaced with symlinking?
+    // // Remove the existing userContent.css if older than the installed one
+    // if (contentFile.exists() && defaultContent.exists() &&
+    //   contentFile.lastModifiedTime < defaultContent.lastModifiedTime) {
+    //   contentFile.remove(false);
+    // }
+
+    // Copy userContent.css to <profile>/chrome/
+    if (!contentFile.exists()) {
+      defaultContent.copyTo(chromeDir, "userContent.css");
+      updated = true;
+    }
+
+    // Restart Firefox immediately if one of the files got updated
+    if (updated === true) {
+        var appStartup = Cc["@mozilla.org/toolkit/app-startup;1"].getService(Ci.nsIAppStartup);
+        appStartup.quit(Ci.nsIAppStartup.eForceQuit | Ci.nsIAppStartup.eRestart);
+    }
+
+    defaultPref('general.useragent.override', 'Mozilla/5.0 (Android 11; Mobile; rv:96.0) Gecko/96.0 Firefox/96.0');
+    defaultPref('browser.urlbar.suggest.topsites', false);
+    defaultPref('browser.urlbar.suggest.engines', false);
+    defaultPref('browser.newtabpage.enabled', true);
+
+    // Enable android-style pinch-to-zoom
+    pref('dom.w3c.touch_events.enabled', true);
+    pref('apz.allow_zooming', true);
+    pref('apz.allow_double_tap_zooming', true);
+
+    // Save vertical space by hiding the titlebar
+    pref('browser.tabs.inTitlebar', 1);
+
+    // Disable search suggestions
+    pref('browser.search.suggest.enabled', false);
+
+    // Empty new tab page: faster, less distractions
+    pref('browser.newtabpage.enabled', false);
+
+    // Allow UI customizations with userChrome.css and userContent.css
+    pref('toolkit.legacyUserProfileCustomizations.stylesheets', true);
+
+    // Select the entire URL with one click
+    pref('browser.urlbar.clickSelectsAll', true);
+
+    // Disable cosmetic animations, save CPU
+    pref('toolkit.cosmeticAnimations.enabled', false);
+
+    // Disable download animations, save CPU
+    pref('browser.download.animateNotifications', false);
+  '';
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0cae1ec5ec64..b85950f1e450 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -31082,6 +31082,8 @@ with pkgs;
   firefox-beta = wrapFirefox firefox-beta-unwrapped { };
   firefox-devedition = wrapFirefox firefox-devedition-unwrapped { };
 
+  firefox-mobile = callPackage ../applications/networking/browsers/firefox/mobile-config.nix { };
+
   firefox-esr = firefox-esr-102;
   firefox-esr-102 = wrapFirefox firefox-esr-102-unwrapped { };