sugar-toolkit-gtk3/shell/view/frame/ClipboardBox.py

import logging
import dbus
import hippo

from sugar.graphics import style
from view.ClipboardIcon import ClipboardIcon
from sugar.clipboard import ClipboardService

class ClipboardBox(hippo.CanvasBox):
    
    def __init__(self, frame, menu_shell):
        hippo.CanvasBox.__init__(self)
        self._frame = frame
        self._menu_shell = menu_shell
        self._icons = {}
        
        cb_service = ClipboardService.get_instance()
        cb_service.connect('object-added', self._object_added_cb)
        cb_service.connect('object-deleted', self._object_deleted_cb)
        cb_service.connect('object-state-changed', self._object_state_changed_cb)

    def _object_added_cb(self, cb_service, name, mimeType, fileName):
        icon = ClipboardIcon(self._menu_shell, name, fileName)
        style.apply_stylesheet(icon, 'frame.BuddyIcon')
        self.append(icon)
        self._icons[fileName] = icon
        
        if not self._frame.is_visible():
            self._frame.show_and_hide(0.1)
        
        logging.debug('ClipboardBox: ' + fileName + ' was added.')

    def _object_deleted_cb(self, cb_service, fileName):
        icon = self._icons[fileName]
        self.remove(icon)
        del self._icons[fileName]
        logging.debug('ClipboardBox: ' + fileName + ' was deleted.')

    def _object_state_changed_cb(self, cb_service, fileName, percent):
        icon = self._icons[fileName]
        icon.set_percent(percent)
        logging.debug('ClipboardBox: ' + fileName + ' state was changed.')