1 files changed, 160 insertions, 0 deletions
diff --git a/js/ui/accessDialog.js b/js/ui/accessDialog.js
new file mode 100644
index 0000000..8788e47
--- /dev/null
+++ b/js/ui/accessDialog.js
@@ -0,0 +1,160 @@
+/* exported AccessDialogDBus */
+const { Clutter, Gio, GLib, GObject, Pango, Shell, St } = imports.gi;
+
+const CheckBox = imports.ui.checkBox;
+const Dialog = imports.ui.dialog;
+const ModalDialog = imports.ui.modalDialog;
+
+const { loadInterfaceXML } = imports.misc.fileUtils;
+
+const RequestIface = loadInterfaceXML('org.freedesktop.impl.portal.Request');
+const AccessIface = loadInterfaceXML('org.freedesktop.impl.portal.Access');
+
+var DialogResponse = {
+    OK: 0,
+    CANCEL: 1,
+    CLOSED: 2,
+};
+
+var AccessDialog = GObject.registerClass(
+class AccessDialog extends ModalDialog.ModalDialog {
+    _init(invocation, handle, title, description, body, options) {
+        super._init({ styleClass: 'access-dialog' });
+
+        this._invocation = invocation;
+        this._handle = handle;
+
+        this._requestExported = false;
+        this._request = Gio.DBusExportedObject.wrapJSObject(RequestIface, this);
+
+        for (let option in options)
+            options[option] = options[option].deepUnpack();
+
+        this._buildLayout(title, description, body, options);
+    }
+
+    _buildLayout(title, description, body, options) {
+        // No support for non-modal system dialogs, so ignore the option
+        // let modal = options['modal'] || true;
+        let denyLabel = options['deny_label'] || _("Deny Access");
+        let grantLabel = options['grant_label'] || _("Grant Access");
+        let choices = options['choices'] || [];
+
+        let content = new Dialog.MessageDialogContent({ title, description });
+        this.contentLayout.add_actor(content);
+
+        this._choices = new Map();
+
+        for (let i = 0; i < choices.length; i++) {
+            let [id, name, opts, selected] = choices[i];
+            if (opts.length > 0)
+                continue; // radio buttons, not implemented
+
+            let check = new CheckBox.CheckBox();
+            check.getLabelActor().text = name;
+            check.checked = selected == "true";
+            content.add_child(check);
+
+            this._choices.set(id, check);
+        }
+
+        let bodyLabel = new St.Label({
+            text: body,
+            x_align: Clutter.ActorAlign.CENTER,
+        });
+        bodyLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
+        bodyLabel.clutter_text.line_wrap = true;
+        content.add_child(bodyLabel);
+
+        this.addButton({
+            label: denyLabel,
+            action: () => this._sendResponse(DialogResponse.CANCEL),
+            key: Clutter.KEY_Escape,
+        });
+        this.addButton({
+            label: grantLabel,
+            action: () => this._sendResponse(DialogResponse.OK),
+        });
+    }
+
+    open() {
+        if (!super.open())
+            return false;
+
+        let connection = this._invocation.get_connection();
+        this._requestExported = this._request.export(connection, this._handle);
+        return true;
+    }
+
+    CloseAsync(invocation, _params) {
+        if (this._invocation.get_sender() != invocation.get_sender()) {
+            invocation.return_error_literal(Gio.DBusError,
+                                            Gio.DBusError.ACCESS_DENIED,
+                                            '');
+            return;
+        }
+
+        this._sendResponse(DialogResponse.CLOSED);
+    }
+
+    _sendResponse(response) {
+        if (this._requestExported)
+            this._request.unexport();
+        this._requestExported = false;
+
+        let results = {};
+        if (response == DialogResponse.OK) {
+            for (let [id, check] of this._choices) {
+                let checked = check.checked ? 'true' : 'false';
+                results[id] = new GLib.Variant('s', checked);
+            }
+        }
+
+        // Delay actual response until the end of the close animation (if any)
+        this.connect('closed', () => {
+            this._invocation.return_value(new GLib.Variant('(ua{sv})',
+                                                           [response, results]));
+        });
+        this.close();
+    }
+});
+
+var AccessDialogDBus = class {
+    constructor() {
+        this._accessDialog = null;
+
+        this._windowTracker = Shell.WindowTracker.get_default();
+
+        this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(AccessIface, this);
+        this._dbusImpl.export(Gio.DBus.session, '/org/freedesktop/portal/desktop');
+
+        Gio.DBus.session.own_name('org.gnome.Shell.Portal', Gio.BusNameOwnerFlags.REPLACE, null, null);
+    }
+
+    AccessDialogAsync(params, invocation) {
+        if (this._accessDialog) {
+            invocation.return_error_literal(Gio.DBusError,
+                                            Gio.DBusError.LIMITS_EXCEEDED,
+                                            'Already showing a system access dialog');
+            return;
+        }
+
+        let [handle, appId, parentWindow_, title, description, body, options] = params;
+        // We probably want to use parentWindow and global.display.focus_window
+        // for this check in the future
+        if (appId && `${appId}.desktop` !== this._windowTracker.focus_app.id) {
+            invocation.return_error_literal(Gio.DBusError,
+                                            Gio.DBusError.ACCESS_DENIED,
+                                            'Only the focused app is allowed to show a system access dialog');
+            return;
+        }
+
+        let dialog = new AccessDialog(
+            invocation, handle, title, description, body, options);
+        dialog.open();
+
+        dialog.connect('closed', () => (this._accessDialog = null));
+
+        this._accessDialog = dialog;
+    }
+};