Add File Manager DBus interface

data/meson.build

@@ -16,6 +16,17 @@ if desktop_utils.found()
   test('Validate desktop file', desktop_utils, args: [desktop_file])
 endif
 
+servicedir = get_option('prefix') / get_option('datadir') / 'dbus-1' / 'services'
+
+
+configure_file(
+  input: 'org.freedesktop.FileManager1.service.in',
+  output: 'org.freedesktop.FileManager1.service',
+  configuration: conf,
+  install_dir: servicedir
+)
+
+
 appstream_file = i18n.merge_file(
         input: configure_file(
           input: 'hu.kramo.Hyperplane.metainfo.xml.in',

data/org.freedesktop.FileManager1.service.in

@@ -0,0 +1,3 @@
+[D-BUS Service]
+Name=org.freedesktop.FileManager1
+Exec=@prefix@/@bindir@/hyperplane --gapplication-service

hu.kramo.Hyperplane.Devel.json

@@ -11,7 +11,8 @@
         "--socket=wayland",
         "--filesystem=xdg-data/Trash",
         "--talk-name=org.gtk.vfs.*",
-        "--filesystem=xdg-run/gvfsd"
+        "--filesystem=xdg-run/gvfsd",
+        "--own-name=org.freedesktop.FileManager1"
     ],
     "cleanup" : [
         "/include",

hyperplane/filemanager_dbus.py

@@ -0,0 +1,139 @@
+# filemanager_dbus.py
+#
+# Copyright 2023 Benedek Dévényi
+# Copyright 2023 kramo
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+
+"""https://www.freedesktop.org/wiki/Specifications/file-manager-interface/"""
+from __future__ import annotations
+
+from gi.repository import Gio, GLib
+
+from hyperplane import shared
+from hyperplane.properties import HypPropertiesWindow
+
+INTERFACE_DESC = """
+<node xmlns:doc="http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+  <interface name="org.freedesktop.DBus.Introspectable">
+    <method name="Introspect">
+      <arg name="data" direction="out" type="s"/>
+    </method>
+  </interface>
+  <interface name='org.freedesktop.FileManager1'>
+    <method name='ShowFolders'>
+      <arg type='as' name='URIs' direction='in'/>
+      <arg type='s' name='StartupId' direction='in'/>
+    </method>
+    <method name='ShowItems'>
+      <arg type='as' name='URIs' direction='in'/>
+      <arg type='s' name='StartupId' direction='in'/>
+    </method>
+    <method name='ShowItemProperties'>
+      <arg type='as' name='URIs' direction='in'/>
+      <arg type='s' name='StartupId' direction='in'/>
+    </method>
+  </interface>
+</node>
+"""
+
+
+NAME = "org.freedesktop.FileManager1"
+PATH = "/org/freedesktop/FileManager1"
+
+
+class FileManagerDBusServer:
+    """https://www.freedesktop.org/wiki/Specifications/file-manager-interface/"""
+    def __init__(self) -> None:
+        self._name_id = Gio.bus_own_name(
+            Gio.BusType.SESSION,
+            NAME,
+            Gio.BusNameOwnerFlags.NONE,
+            self.__on_bus_acquired,
+            None,
+            None,
+        )
+
+    def __del__(self):
+        Gio.bus_unown_name(self._name_id)
+
+    def __on_bus_acquired(self, connection: Gio.DBusConnection, _):
+        for interface in Gio.DBusNodeInfo.new_for_xml(INTERFACE_DESC).interfaces:
+            try:
+                connection.register_object(
+                    object_path=PATH,
+                    interface_info=interface,
+                    method_call_closure=self.__on_method_call,
+                )
+            except Exception:  # pylint: disable=broad-exception-caught
+                #  Another instance already exported at this path
+                ...
+
+    def __on_method_call(
+        self,
+        _connection: Gio.DBusConnection,
+        _sender: str,
+        _object_path: str,
+        interface_name: str,
+        method_name: str,
+        parameters: GLib.Variant,
+        invocation: Gio.DBusMethodInvocation,
+    ) -> None:
+        args = tuple(parameters.unpack())
+
+        match method_name:
+            case "ShowFolders":
+                gfiles = tuple(Gio.File.new_for_uri(uri) for uri in args[0])
+
+                for gfile in gfiles:
+                    shared.app.do_activate(gfile)
+
+            case "ShowItems":
+                gfiles = tuple(Gio.File.new_for_uri(uri) for uri in args[0])
+
+                for gfile in gfiles:
+                    if not (parent := gfile.get_parent()):
+                        continue
+
+                    win = shared.app.do_activate(parent)
+                    win.select_uri = gfile.get_uri()
+
+            case "ShowItemProperties":
+                gfiles = tuple(Gio.File.new_for_uri(uri) for uri in args[0])
+
+                for gfile in gfiles:
+                    if not (parent := gfile.get_parent()):
+                        continue
+
+                    win = shared.app.do_activate(parent)
+
+                    properties = HypPropertiesWindow(gfile)
+                    properties.set_transient_for(win)
+                    properties.present()
+
+            case "Introspect":
+                variant = GLib.Variant("(s)", (INTERFACE_DESC,))
+                invocation.return_value(variant)
+                return
+
+            case _:
+                invocation.return_dbus_error(
+                    f"{interface_name}.Error.NotSupported",
+                    "Unsupported property",
+                )
+
+        invocation.return_value(None)

hyperplane/item.py

@@ -21,7 +21,7 @@
 from pathlib import Path
 from typing import Any, Optional
 
-from gi.repository import Adw, Gdk, Gio, GLib, GObject, Gtk, Pango
+from gi.repository import Adw, Gdk, Gio, GLib, GObject, Gtk
 from gi.repository.GLib import idle_add
 
 from hyperplane import shared

hyperplane/items_page.py

@@ -118,7 +118,7 @@ def __init__(
                 Gio.FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME,
                 Gio.FILE_ATTRIBUTE_STANDARD_EDIT_NAME,
                 Gio.FILE_ATTRIBUTE_STANDARD_TARGET_URI,  # For Recent
-                Gio.FILE_ATTRIBUTE_TRASH_DELETION_DATE, # For Trash
+                Gio.FILE_ATTRIBUTE_TRASH_DELETION_DATE,  # For Trash
                 Gio.FILE_ATTRIBUTE_FILESYSTEM_USE_PREVIEW,
                 # For list view
                 Gio.FILE_ATTRIBUTE_STANDARD_SIZE,
@@ -443,7 +443,21 @@ def __item_bind(
         self, _factory: Gtk.SignalListItemFactory, list_item: Gtk.ListItem
     ) -> None:
         list_item.get_child().bind()
-        self.items[list_item.get_position()] = list_item.get_child()
+        pos = list_item.get_position()
+
+        self.items[pos] = list_item.get_child()
+
+        # For the org.freedesktop.FileManager1 DBus service's ShowItems
+        if (
+            list_item.get_item().get_attribute_object("standard::file").get_uri()
+            != self.get_root().select_uri
+        ):
+            return
+
+        self.get_root().select_uri = None
+
+        # Not scrolling there because Grid/ListView really don't like that during population
+        self.multi_selection.select_item(pos, True)
 
     def __item_unbind(
         self, _factory: Gtk.SignalListItemFactory, list_item: Gtk.ListItem

hyperplane/main.py

@@ -35,6 +35,7 @@
 from gi.repository import Adw, Gio, GLib
 
 from hyperplane import shared
+from hyperplane.filemanager_dbus import FileManagerDBusServer
 from hyperplane.logging.logging_config import logging_config
 from hyperplane.preferences import HypPreferencesWindow
 from hyperplane.window import HypWindow
@@ -49,6 +50,7 @@ def __init__(self) -> None:
             flags=Gio.ApplicationFlags.HANDLES_OPEN,
         )
         logging_config()
+        FileManagerDBusServer()
 
         # Create home
         shared.home_path.mkdir(parents=True, exist_ok=True)
@@ -96,7 +98,7 @@ def do_activate(
         self,
         gfile: Optional[Gio.File] = None,
         tags: Optional[Iterable[str]] = None,
-    ) -> set[HypWindow]:
+    ) -> HypWindow:
         """Called when the application is activated."""
 
         if not (gfile or tags):

hyperplane/meson.build

@@ -47,6 +47,7 @@ endif
 hyperplane_sources = [
   '__init__.py',
   'editable_row.py',
+  'filemanager_dbus.py',
   'file_properties.py',
   'item_filter.py',
   'item_sorter.py',

hyperplane/window.py

@@ -98,6 +98,7 @@ def __init__(
         **kwargs,
     ) -> None:
         super().__init__(**kwargs)
+        self.select_uri = None
 
         if shared.PROFILE == "development":
             self.add_css_class("devel")

meson.build

@@ -30,6 +30,8 @@ conf.set('PREFIX', prefix)
 conf.set('PROFILE', profile)
 conf.set('localedir', get_option('prefix') / get_option('localedir'))
 conf.set('pkgdatadir', pkgdatadir)
+conf.set('bindir', get_option('bindir'))
+conf.set('prefix', get_option('prefix'))
 
 subdir('data')
 subdir('hyperplane')