From 5e942edddcc2596192aace300811406dd18d9a81 Mon Sep 17 00:00:00 2001 From: Tomeu Vizoso Date: Mon, 03 Dec 2007 11:42:21 +0000 Subject: #5106: Implement an object chooser callable through dbus. --- (limited to 'lib') diff --git a/lib/sugar/graphics/objectchooser.py b/lib/sugar/graphics/objectchooser.py index 9458bad..59f1a8a 100644 --- a/lib/sugar/graphics/objectchooser.py +++ b/lib/sugar/graphics/objectchooser.py @@ -17,190 +17,103 @@ import logging import time -from gettext import gettext as _ +import gobject import gtk -import hippo +import dbus -from sugar.bundle.activitybundle import ActivityBundle -from sugar.graphics import style -from sugar.graphics.icon import CanvasIcon -from sugar.graphics.xocolor import XoColor -from sugar.graphics.roundbox import CanvasRoundBox from sugar.datastore import datastore -from sugar import activity -from sugar import mime -# TODO: Activities should request the Journal to open objectchooser dialogs. In -# that way, we'll be able to reuse most of this code inside the Journal. +J_DBUS_SERVICE = 'org.laptop.Journal' +J_DBUS_INTERFACE = 'org.laptop.Journal' +J_DBUS_PATH = '/org/laptop/Journal' -class ObjectChooser(gtk.Dialog): - def __init__(self, title=None, parent=None, flags=0): - gtk.Dialog.__init__(self, title, parent, flags, (gtk.STOCK_CANCEL, - gtk.RESPONSE_REJECT, gtk.STOCK_OK, gtk.RESPONSE_ACCEPT)) - - self._jobjects = None - self._query = {} - self._selected_entry = False - - self._box = hippo.CanvasBox() - self._box.props.background_color = style.COLOR_PANEL_GREY.get_int() - self._box.props.spacing = style.DEFAULT_SPACING - self._box.props.padding = style.DEFAULT_SPACING - - canvas = hippo.Canvas() - canvas.set_root(self._box) - - scrolled_window = gtk.ScrolledWindow() - scrolled_window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC) +class ObjectChooser(object): + def __init__(self, title=None, parent=None, flags=None, buttons=None): + # For backwards compatibility: + # - We ignore title, flags and buttons. + # - 'parent' can be a xid or a gtk.gdk.Window - scrolled_window.add_with_viewport(canvas) - canvas.show() + if title is not None or flags is not None or buttons is not None: + logging.warning('Invocation of ObjectChooser() has deprecated ' + 'parameters.') - self.vbox.add(scrolled_window) - scrolled_window.show() - - scrolled_window.props.shadow_type = gtk.SHADOW_NONE - scrolled_window.get_child().props.shadow_type = gtk.SHADOW_NONE - - self.refresh() + if parent is None: + parent_xid = 0 + elif hasattr(parent, 'window') and hasattr(parent.window, 'xid'): + parent_xid = parent.window.xid + else: + parent_xid = parent + + self._parent_xid = parent_xid + self._main_loop = None + self._object_id = None + self._bus = None + self._chooser_id = None + self._response_code = gtk.RESPONSE_NONE - height = self.get_screen().get_height() * 3 / 4 - width = self.get_screen().get_width() * 3 / 4 - self.set_default_size(width, height) - - def update_with_query(self, query): - self._query = query - self.refresh() - - def refresh(self): - logging.debug('ListView.refresh: %r' % self._query) - self._jobjects, total_count = datastore.find(self._query, sorting=['-mtime']) - self._update() - - def _update(self): - self._box.remove_all() - for jobject in self._jobjects: - entry_view = CollapsedEntry(jobject) - entry_view.connect('button-release-event', - self._entry_view_button_release_event_cb) - self._box.append(entry_view) - - def _entry_view_button_release_event_cb(self, entry_view, event): - if self._selected_entry: - self._selected_entry.set_selected(False) - entry_view.set_selected(True) - self._selected_entry = entry_view + def run(self): + self._object_id = None + + self._main_loop = gobject.MainLoop() + + self._bus = dbus.SessionBus(mainloop=self._main_loop) + self._bus.add_signal_receiver( + self.__name_owner_changed_cb, + signal_name="NameOwnerChanged", + dbus_interface="org.freedesktop.DBus", + arg0=J_DBUS_SERVICE) + + obj = self._bus.get_object(J_DBUS_SERVICE, J_DBUS_PATH) + journal = dbus.Interface(obj, J_DBUS_INTERFACE) + journal.connect_to_signal('ObjectChooserResponse', + self.__chooser_response_cb) + journal.connect_to_signal('ObjectChooserCancelled', + self.__chooser_cancelled_cb) + self._chooser_id = journal.ChooseObject(self._parent_xid) + + gtk.gdk.threads_leave() + try: + self._main_loop.run() + finally: + gtk.gdk.threads_enter() + self._main_loop = None + + return self._response_code def get_selected_object(self): - if self._selected_entry: - return self._selected_entry.jobject - else: + if self._object_id is None: return None - -class CollapsedEntry(CanvasRoundBox): - _DATE_COL_WIDTH = style.zoom(100) - _BUDDIES_COL_WIDTH = style.zoom(50) - - def __init__(self, jobject): - CanvasRoundBox.__init__(self) - self.props.box_height = style.zoom(75) - self.props.spacing = style.DEFAULT_SPACING - self.props.border_color = style.COLOR_BLACK.get_int() - self.props.background_color = style.COLOR_PANEL_GREY.get_int() - - self.jobject = jobject - self._icon_name = None - - date = hippo.CanvasText(text=self._format_date(), - xalign=hippo.ALIGNMENT_START, - font_desc=style.FONT_NORMAL.get_pango_desc(), - box_width=self._DATE_COL_WIDTH) - self.append(date) - - icon = CanvasIcon(icon_name=self._get_icon_name(), - box_width=style.zoom(75)) - - if self.jobject.metadata.has_key('icon-color'): - icon.props.xo_color = XoColor(self.jobject.metadata['icon-color']) - - self.append(icon) - - title = hippo.CanvasText(text=self._format_title(), - xalign=hippo.ALIGNMENT_START, - font_desc=style.FONT_BOLD.get_pango_desc(), - size_mode=hippo.CANVAS_SIZE_WRAP_WORD) - self.append(title) - - def _get_icon_name(self): - if self._icon_name: - return self._icon_name - - if self.jobject.is_activity_bundle(): - bundle = ActivityBundle(self.jobject.file_path) - self._icon_name = bundle.get_icon() - - if self.jobject.metadata['activity']: - service_name = self.jobject.metadata['activity'] - activity_info = activity.get_registry().get_activity(service_name) - if activity_info: - self._icon_name = activity_info.icon - - mime_type = self.jobject.metadata['mime_type'] - if not self._icon_name and mime_type: - self._icon_name = mime.get_mime_icon(mime_type) - if not self._icon_name: - self._icon_name = 'image-missing' - - return self._icon_name - - def _format_date(self): - """ Convert from a string in iso format to a more human-like format. """ - return _get_elapsed_string(self.jobject.metadata['mtime']) - - def _format_title(self): - return '"%s"' % self.jobject.metadata['title'] - - def set_selected(self, selected): - if selected: - self.props.border_color = style.COLOR_WHITE.get_int() - self.props.background_color = style.COLOR_WHITE.get_int() else: - self.props.border_color = style.COLOR_BLACK.get_int() - self.props.background_color = style.COLOR_PANEL_GREY.get_int() - -def _get_elapsed_string(date_string, max_levels=2): - ti = time.strptime(date_string, "%Y-%m-%dT%H:%M:%S") - - units = [[_('%d year'), _('%d years'), 356 * 24 * 60 * 60], - [_('%d month'), _('%d months'), 30 * 24 * 60 * 60], - [_('%d week'), _('%d weeks'), 7 * 24 * 60 * 60], - [_('%d day'), _('%d days'), 24 * 60 * 60], - [_('%d hour'), _('%d hours'), 60 * 60], - [_('%d minute'), _('%d minutes'), 60], - [_('%d second'), _('%d seconds'), 1]] - levels = 0 - result = '' - elapsed_seconds = int(time.time() - time.mktime(ti)) - for name_singular, name_plural, factor in units: - elapsed_units = elapsed_seconds / factor - if elapsed_units > 0: - - if levels > 0: - if max_levels - levels == 1: - result += _(' and ') - else: - result += _(', ') - - if elapsed_units == 1: - result += name_singular % elapsed_units - else: - result += name_plural % elapsed_units - elapsed_seconds -= elapsed_units * factor - levels += 1 - - if levels == max_levels: - break - - return result + return datastore.get(self._object_id) + + def destroy(self): + self._cleanup() + + def _cleanup(self): + if self._main_loop is not None: + self._main_loop.quit() + self._main_loop = None + self._bus = None + + def __chooser_response_cb(self, chooser_id, object_id): + if chooser_id != self._chooser_id: + return + logging.debug('ObjectChooser.__chooser_response_cb: %r' % object_id) + self._response_code = gtk.RESPONSE_ACCEPT + self._object_id = object_id + self._cleanup() + + def __chooser_cancelled_cb(self, chooser_id): + if chooser_id != self._chooser_id: + return + logging.debug('ObjectChooser.__chooser_cancelled_cb: %r' % chooser_id) + self._response_code = gtk.RESPONSE_CANCEL + self._cleanup() + + def __name_owner_changed_cb(self, name, old, new): + logging.debug('ObjectChooser.__name_owner_changed_cb') + # Journal service disappeared from the bus + self._response_code = gtk.RESPONSE_CANCEL + self._cleanup() -- cgit v0.9.1