#5106: Implement an object chooser callable through dbus.
This commit is contained in:
Tomeu Vizoso
parent
8b5cf46945
commit
5e942edddc
@ -17,190 +17,103 @@
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import logging
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import time
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from gettext import gettext as _
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import gobject
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import gtk
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import hippo
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import dbus
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from sugar.bundle.activitybundle import ActivityBundle
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from sugar.graphics import style
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from sugar.graphics.icon import CanvasIcon
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from sugar.graphics.xocolor import XoColor
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from sugar.graphics.roundbox import CanvasRoundBox
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from sugar.datastore import datastore
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from sugar import activity
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from sugar import mime
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# TODO: Activities should request the Journal to open objectchooser dialogs. In
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# that way, we'll be able to reuse most of this code inside the Journal.
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J_DBUS_SERVICE = 'org.laptop.Journal'
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J_DBUS_INTERFACE = 'org.laptop.Journal'
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J_DBUS_PATH = '/org/laptop/Journal'
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class ObjectChooser(gtk.Dialog):
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def __init__(self, title=None, parent=None, flags=0):
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gtk.Dialog.__init__(self, title, parent, flags, (gtk.STOCK_CANCEL,
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gtk.RESPONSE_REJECT, gtk.STOCK_OK, gtk.RESPONSE_ACCEPT))
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class ObjectChooser(object):
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def __init__(self, title=None, parent=None, flags=None, buttons=None):
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# For backwards compatibility:
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# - We ignore title, flags and buttons.
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# - 'parent' can be a xid or a gtk.gdk.Window
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if title is not None or flags is not None or buttons is not None:
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logging.warning('Invocation of ObjectChooser() has deprecated '
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'parameters.')
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if parent is None:
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parent_xid = 0
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elif hasattr(parent, 'window') and hasattr(parent.window, 'xid'):
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parent_xid = parent.window.xid
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else:
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parent_xid = parent
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self._parent_xid = parent_xid
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self._main_loop = None
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self._object_id = None
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self._bus = None
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self._chooser_id = None
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self._response_code = gtk.RESPONSE_NONE
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self._jobjects = None
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self._query = {}
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self._selected_entry = False
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def run(self):
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self._object_id = None
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self._box = hippo.CanvasBox()
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self._box.props.background_color = style.COLOR_PANEL_GREY.get_int()
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self._box.props.spacing = style.DEFAULT_SPACING
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self._box.props.padding = style.DEFAULT_SPACING
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self._main_loop = gobject.MainLoop()
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canvas = hippo.Canvas()
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canvas.set_root(self._box)
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self._bus = dbus.SessionBus(mainloop=self._main_loop)
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self._bus.add_signal_receiver(
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self.__name_owner_changed_cb,
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signal_name="NameOwnerChanged",
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dbus_interface="org.freedesktop.DBus",
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arg0=J_DBUS_SERVICE)
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scrolled_window = gtk.ScrolledWindow()
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scrolled_window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
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obj = self._bus.get_object(J_DBUS_SERVICE, J_DBUS_PATH)
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journal = dbus.Interface(obj, J_DBUS_INTERFACE)
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journal.connect_to_signal('ObjectChooserResponse',
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self.__chooser_response_cb)
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journal.connect_to_signal('ObjectChooserCancelled',
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self.__chooser_cancelled_cb)
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self._chooser_id = journal.ChooseObject(self._parent_xid)
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scrolled_window.add_with_viewport(canvas)
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canvas.show()
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gtk.gdk.threads_leave()
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try:
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self._main_loop.run()
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finally:
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gtk.gdk.threads_enter()
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self._main_loop = None
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self.vbox.add(scrolled_window)
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scrolled_window.show()
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scrolled_window.props.shadow_type = gtk.SHADOW_NONE
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scrolled_window.get_child().props.shadow_type = gtk.SHADOW_NONE
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self.refresh()
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height = self.get_screen().get_height() * 3 / 4
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width = self.get_screen().get_width() * 3 / 4
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self.set_default_size(width, height)
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def update_with_query(self, query):
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self._query = query
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self.refresh()
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def refresh(self):
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logging.debug('ListView.refresh: %r' % self._query)
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self._jobjects, total_count = datastore.find(self._query, sorting=['-mtime'])
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self._update()
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def _update(self):
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self._box.remove_all()
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for jobject in self._jobjects:
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entry_view = CollapsedEntry(jobject)
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entry_view.connect('button-release-event',
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self._entry_view_button_release_event_cb)
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self._box.append(entry_view)
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def _entry_view_button_release_event_cb(self, entry_view, event):
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if self._selected_entry:
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self._selected_entry.set_selected(False)
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entry_view.set_selected(True)
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self._selected_entry = entry_view
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return self._response_code
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def get_selected_object(self):
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if self._selected_entry:
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return self._selected_entry.jobject
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else:
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if self._object_id is None:
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return None
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class CollapsedEntry(CanvasRoundBox):
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_DATE_COL_WIDTH = style.zoom(100)
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_BUDDIES_COL_WIDTH = style.zoom(50)
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def __init__(self, jobject):
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CanvasRoundBox.__init__(self)
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self.props.box_height = style.zoom(75)
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self.props.spacing = style.DEFAULT_SPACING
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self.props.border_color = style.COLOR_BLACK.get_int()
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self.props.background_color = style.COLOR_PANEL_GREY.get_int()
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self.jobject = jobject
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self._icon_name = None
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date = hippo.CanvasText(text=self._format_date(),
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xalign=hippo.ALIGNMENT_START,
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font_desc=style.FONT_NORMAL.get_pango_desc(),
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box_width=self._DATE_COL_WIDTH)
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self.append(date)
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icon = CanvasIcon(icon_name=self._get_icon_name(),
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box_width=style.zoom(75))
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if self.jobject.metadata.has_key('icon-color'):
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icon.props.xo_color = XoColor(self.jobject.metadata['icon-color'])
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self.append(icon)
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title = hippo.CanvasText(text=self._format_title(),
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xalign=hippo.ALIGNMENT_START,
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font_desc=style.FONT_BOLD.get_pango_desc(),
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size_mode=hippo.CANVAS_SIZE_WRAP_WORD)
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self.append(title)
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def _get_icon_name(self):
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if self._icon_name:
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return self._icon_name
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if self.jobject.is_activity_bundle():
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bundle = ActivityBundle(self.jobject.file_path)
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self._icon_name = bundle.get_icon()
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if self.jobject.metadata['activity']:
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service_name = self.jobject.metadata['activity']
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activity_info = activity.get_registry().get_activity(service_name)
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if activity_info:
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self._icon_name = activity_info.icon
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mime_type = self.jobject.metadata['mime_type']
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if not self._icon_name and mime_type:
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self._icon_name = mime.get_mime_icon(mime_type)
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if not self._icon_name:
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self._icon_name = 'image-missing'
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return self._icon_name
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def _format_date(self):
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""" Convert from a string in iso format to a more human-like format. """
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return _get_elapsed_string(self.jobject.metadata['mtime'])
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def _format_title(self):
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return '"%s"' % self.jobject.metadata['title']
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def set_selected(self, selected):
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if selected:
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self.props.border_color = style.COLOR_WHITE.get_int()
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self.props.background_color = style.COLOR_WHITE.get_int()
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else:
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self.props.border_color = style.COLOR_BLACK.get_int()
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self.props.background_color = style.COLOR_PANEL_GREY.get_int()
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return datastore.get(self._object_id)
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def _get_elapsed_string(date_string, max_levels=2):
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ti = time.strptime(date_string, "%Y-%m-%dT%H:%M:%S")
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def destroy(self):
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self._cleanup()
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units = [[_('%d year'), _('%d years'), 356 * 24 * 60 * 60],
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[_('%d month'), _('%d months'), 30 * 24 * 60 * 60],
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[_('%d week'), _('%d weeks'), 7 * 24 * 60 * 60],
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[_('%d day'), _('%d days'), 24 * 60 * 60],
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[_('%d hour'), _('%d hours'), 60 * 60],
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[_('%d minute'), _('%d minutes'), 60],
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[_('%d second'), _('%d seconds'), 1]]
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levels = 0
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result = ''
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elapsed_seconds = int(time.time() - time.mktime(ti))
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for name_singular, name_plural, factor in units:
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elapsed_units = elapsed_seconds / factor
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if elapsed_units > 0:
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def _cleanup(self):
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if self._main_loop is not None:
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self._main_loop.quit()
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self._main_loop = None
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self._bus = None
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if levels > 0:
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if max_levels - levels == 1:
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result += _(' and ')
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else:
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result += _(', ')
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if elapsed_units == 1:
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result += name_singular % elapsed_units
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else:
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result += name_plural % elapsed_units
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elapsed_seconds -= elapsed_units * factor
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levels += 1
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if levels == max_levels:
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break
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def __chooser_response_cb(self, chooser_id, object_id):
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if chooser_id != self._chooser_id:
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return
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logging.debug('ObjectChooser.__chooser_response_cb: %r' % object_id)
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self._response_code = gtk.RESPONSE_ACCEPT
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self._object_id = object_id
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self._cleanup()
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return result
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def __chooser_cancelled_cb(self, chooser_id):
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if chooser_id != self._chooser_id:
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return
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logging.debug('ObjectChooser.__chooser_cancelled_cb: %r' % chooser_id)
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self._response_code = gtk.RESPONSE_CANCEL
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self._cleanup()
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def __name_owner_changed_cb(self, name, old, new):
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logging.debug('ObjectChooser.__name_owner_changed_cb')
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# Journal service disappeared from the bus
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self._response_code = gtk.RESPONSE_CANCEL
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self._cleanup()
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