From 5bef955ac83a06a58313650846bcd86546d60e44 Mon Sep 17 00:00:00 2001
From: Gabriel Arazas <foodogsquared@foodogsquared.one>
Date: Thu, 17 Apr 2025 16:52:19 +0800
Subject: [PATCH] home-manager/programs/epiphany: init

Not a complete module yet.
---
 modules/home-manager/default.nix           |   1 +
 modules/home-manager/programs/epiphany.nix | 103 +++++++++++++++++++++
 2 files changed, 104 insertions(+)
 create mode 100644 modules/home-manager/programs/epiphany.nix

diff --git a/modules/home-manager/default.nix b/modules/home-manager/default.nix
index a745b2c3..514e49b0 100644
--- a/modules/home-manager/default.nix
+++ b/modules/home-manager/default.nix
@@ -1,6 +1,7 @@
 {
   imports = [
     ./files/mutable-files.nix
+    ./programs/epiphany.nix
     ./programs/kando.nix
     ./programs/pipewire.nix
     ./programs/pop-launcher.nix
diff --git a/modules/home-manager/programs/epiphany.nix b/modules/home-manager/programs/epiphany.nix
new file mode 100644
index 00000000..0742ee33
--- /dev/null
+++ b/modules/home-manager/programs/epiphany.nix
@@ -0,0 +1,103 @@
+{ config, options, lib, pkgs, ... }:
+
+let
+  cfg = config.programs.epiphany;
+
+  webAppsSubmodule = { name, config, ... }: {
+    options = {
+      url = lib.mkOption {
+        type = lib.types.str;
+        description = ''
+          The URL of the web app.
+        '';
+        example = "https://editor.graphite.rs";
+      };
+
+      name = lib.mkOption {
+        type = lib.types.str;
+        default = name;
+        description = ''
+          The entry name of the desktop file generated for the web app.
+        '';
+        example = "Graphite";
+      };
+    };
+  };
+in
+{
+  options.programs.epiphany = {
+    enable = lib.mkEnableOption "configuring Epiphany web browser";
+
+    package = lib.mkPackageOption pkgs "epiphany" { };
+
+    settings = lib.mkOption {
+      type = options.dconf.settings.type;
+      default = { };
+      description = ''
+        dconf settings for Epiphany to be set under the `org/gnome/epiphany`
+        namespace.
+      '';
+      apply =
+        let
+          updateAttr = acc: n: v:
+            if (lib.isAttrs v) then
+              acc // { "org/gnome/epiphany/${n}" = v; }
+            else
+              lib.recursiveUpdate acc { "org/gnome/epiphany" = v; };
+        in lib.foldlAttrs updateAttr { };
+      example = lib.literalExpression ''
+        {
+          homepage-url = "file://''${config.xdg.dataHome}/''${config.username}/homepage/index.html";
+
+          web = {
+            remember-passwords = true;
+            enable-user-css = true;
+            enable-user-js = true;
+          };
+        }
+      '';
+    };
+
+    webApps = lib.mkOption {
+      type = with lib.types; attrsOf (submodule webAppsSubmodule);
+      default = { };
+      description = ''
+        A set of web apps to be installed with Epiphany and DBus.
+      '';
+      example = lib.literalExpression ''
+        {
+          penpot = {
+            url = "https://design.penpot.app";
+            name = "Penpot";
+          };
+        }
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable (lib.mkMerge [
+    {
+      home.packages = [ cfg.package ];
+
+      dconf.settings = cfg.settings;
+    }
+
+    (lib.mkIf (cfg.webApps != { }) {
+      # TODO Install web apps through Dbus
+      # Set up the web app provider.
+      # Create a install token from somewhere(?).
+      systemd.user.services.epiphany-web-app-provider = {
+        Unit = {
+          Description = "Epiphany web app provider service";
+        };
+
+        Service.ExecStart = "${cfg.package}/libexec/epiphany-webapp-provider";
+
+        Install.WantedBy = [ "default.target" ];
+      };
+
+      home.activation.installEpiphanyWebApps = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
+      '';
+    })
+  ]);
+}