initial commit

.local/share/gnome-shell/extensions/gsconnect@andyholmes.github.io/shell/utils.js

@@ -0,0 +1,218 @@
+'use strict';
+
+const ByteArray = imports.byteArray;
+
+const GLib = imports.gi.GLib;
+const Gio = imports.gi.Gio;
+
+const Extension = imports.misc.extensionUtils.getCurrentExtension();
+const Config = Extension.imports.config;
+
+
+/**
+ * Get a themed icon, using fallbacks from GSConnect's GResource when necessary.
+ *
+ * @param {string} name - A themed icon name
+ * @return {Gio.Icon} A themed icon
+ */
+function getIcon(name) {
+    if (getIcon._resource === undefined) {
+        // Setup the desktop icons
+        const settings = imports.gi.St.Settings.get();
+        getIcon._desktop = new imports.gi.Gtk.IconTheme();
+        getIcon._desktop.set_custom_theme(settings.gtk_icon_theme);
+        settings.connect('notify::gtk-icon-theme', (settings_, key_) => {
+            getIcon._desktop.set_custom_theme(settings_.gtk_icon_theme);
+        });
+
+        // Preload our fallbacks
+        const iconPath = 'resource://org/gnome/Shell/Extensions/GSConnect/icons';
+        const iconNames = [
+            'org.gnome.Shell.Extensions.GSConnect',
+            'org.gnome.Shell.Extensions.GSConnect-symbolic',
+            'computer-symbolic',
+            'laptop-symbolic',
+            'smartphone-symbolic',
+            'tablet-symbolic',
+            'tv-symbolic',
+            'phonelink-ring-symbolic',
+            'sms-symbolic',
+        ];
+
+        getIcon._resource = {};
+
+        for (const iconName of iconNames) {
+            getIcon._resource[iconName] = new Gio.FileIcon({
+                file: Gio.File.new_for_uri(`${iconPath}/${iconName}.svg`),
+            });
+        }
+    }
+
+    // Check the desktop icon theme
+    if (getIcon._desktop.has_icon(name))
+        return new Gio.ThemedIcon({name: name});
+
+    // Check our GResource
+    if (getIcon._resource[name] !== undefined)
+        return getIcon._resource[name];
+
+    // Fallback to hoping it's in the theme somewhere
+    return new Gio.ThemedIcon({name: name});
+}
+
+
+/**
+ * Get the contents of a GResource file, replacing `@PACKAGE_DATADIR@` where
+ * necessary.
+ *
+ * @param {string} relativePath - A path relative to GSConnect's resource path
+ * @return {string} The file contents as a string
+ */
+function getResource(relativePath) {
+    try {
+        const bytes = Gio.resources_lookup_data(
+            GLib.build_filenamev([Config.APP_PATH, relativePath]),
+            Gio.ResourceLookupFlags.NONE
+        );
+
+        const source = ByteArray.toString(bytes.toArray());
+
+        return source.replace('@PACKAGE_DATADIR@', Config.PACKAGE_DATADIR);
+    } catch (e) {
+        logError(e, 'GSConnect');
+        return null;
+    }
+}
+
+
+/**
+ * Install file contents, to an absolute directory path.
+ *
+ * @param {string} dirname - An absolute directory path
+ * @param {string} basename - The file name
+ * @param {string} contents - The file contents
+ * @return {boolean} A success boolean
+ */
+function _installFile(dirname, basename, contents) {
+    try {
+        const filename = GLib.build_filenamev([dirname, basename]);
+        GLib.mkdir_with_parents(dirname, 0o755);
+
+        return GLib.file_set_contents(filename, contents);
+    } catch (e) {
+        logError(e, 'GSConnect');
+        return false;
+    }
+}
+
+/**
+ * Install file contents from a GResource, to an absolute directory path.
+ *
+ * @param {string} dirname - An absolute directory path
+ * @param {string} basename - The file name
+ * @param {string} relativePath - A path relative to GSConnect's resource path
+ * @return {boolean} A success boolean
+ */
+function _installResource(dirname, basename, relativePath) {
+    try {
+        const contents = getResource(relativePath);
+
+        return _installFile(dirname, basename, contents);
+    } catch (e) {
+        logError(e, 'GSConnect');
+        return false;
+    }
+}
+
+
+/**
+ * Install the files necessary for the GSConnect service to run.
+ */
+function installService() {
+    const confDir = GLib.get_user_config_dir();
+    const dataDir = GLib.get_user_data_dir();
+    const homeDir = GLib.get_home_dir();
+
+    // DBus Service
+    const dbusDir = GLib.build_filenamev([dataDir, 'dbus-1', 'services']);
+    const dbusFile = `${Config.APP_ID}.service`;
+
+    // Desktop Entry
+    const appDir = GLib.build_filenamev([dataDir, 'applications']);
+    const appFile = `${Config.APP_ID}.desktop`;
+    const appPrefsFile = `${Config.APP_ID}.Preferences.desktop`;
+
+    // Application Icon
+    const iconDir = GLib.build_filenamev([dataDir, 'icons', 'hicolor', 'scalable', 'apps']);
+    const iconFull = `${Config.APP_ID}.svg`;
+    const iconSym = `${Config.APP_ID}-symbolic.svg`;
+
+    // File Manager Extensions
+    const fileManagers = [
+        [`${dataDir}/nautilus-python/extensions`, 'nautilus-gsconnect.py'],
+        [`${dataDir}/nemo-python/extensions`, 'nemo-gsconnect.py'],
+    ];
+
+    // WebExtension Manifests
+    const manifestFile = 'org.gnome.shell.extensions.gsconnect.json';
+    const google = getResource(`webextension/${manifestFile}.google.in`);
+    const mozilla = getResource(`webextension/${manifestFile}.mozilla.in`);
+    const manifests = [
+        [`${confDir}/chromium/NativeMessagingHosts/`, google],
+        [`${confDir}/google-chrome/NativeMessagingHosts/`, google],
+        [`${confDir}/google-chrome-beta/NativeMessagingHosts/`, google],
+        [`${confDir}/google-chrome-unstable/NativeMessagingHosts/`, google],
+        [`${confDir}/BraveSoftware/Brave-Browser/NativeMessagingHosts/`, google],
+        [`${homeDir}/.mozilla/native-messaging-hosts/`, mozilla],
+        [`${homeDir}/.config/microsoft-edge-dev/NativeMessagingHosts`, google],
+        [`${homeDir}/.config/microsoft-edge-beta/NativeMessagingHosts`, google],
+    ];
+
+    // If running as a user extension, ensure the DBus service, desktop entry,
+    // file manager scripts, and WebExtension manifests are installed.
+    if (Config.IS_USER) {
+        // DBus Service
+        if (!_installResource(dbusDir, dbusFile, `${dbusFile}.in`))
+            throw Error('GSConnect: Failed to install DBus Service');
+
+        // Desktop Entries
+        _installResource(appDir, appFile, appFile);
+        _installResource(appDir, appPrefsFile, appPrefsFile);
+
+        // Application Icon
+        _installResource(iconDir, iconFull, `icons/${iconFull}`);
+        _installResource(iconDir, iconSym, `icons/${iconSym}`);
+
+        // File Manager Extensions
+        const target = `${Config.PACKAGE_DATADIR}/nautilus-gsconnect.py`;
+
+        for (const [dir, name] of fileManagers) {
+            const script = Gio.File.new_for_path(GLib.build_filenamev([dir, name]));
+
+            if (!script.query_exists(null)) {
+                GLib.mkdir_with_parents(dir, 0o755);
+                script.make_symbolic_link(target, null);
+            }
+        }
+
+        // WebExtension Manifests
+        for (const [dirname, contents] of manifests)
+            _installFile(dirname, manifestFile, contents);
+
+        // Otherwise, if running as a system extension, ensure anything previously
+        // installed when running as a user extension is removed.
+    } else {
+        GLib.unlink(GLib.build_filenamev([dbusDir, dbusFile]));
+        GLib.unlink(GLib.build_filenamev([appDir, appFile]));
+        GLib.unlink(GLib.build_filenamev([appDir, appPrefsFile]));
+        GLib.unlink(GLib.build_filenamev([iconDir, iconFull]));
+        GLib.unlink(GLib.build_filenamev([iconDir, iconSym]));
+
+        for (const [dir, name] of fileManagers)
+            GLib.unlink(GLib.build_filenamev([dir, name]));
+
+        for (const manifest of manifests)
+            GLib.unlink(GLib.build_filenamev([manifest[0], manifestFile]));
+    }
+}
+