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# Copyright (C) 2006, Red Hat, Inc.
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

import gobject
import gtk
import logging

from _sugar import Browser
from _sugar import PushScroller

class _PopupCreator(gobject.GObject):
    __gsignals__ = {
        'popup-created':  (gobject.SIGNAL_RUN_FIRST,
                           gobject.TYPE_NONE, ([])),
    }

    def __init__(self, parent_window):
        gobject.GObject.__init__(self)

        logging.debug('Creating the popup widget')

        self._sized_popup = False
        self._parent_window = parent_window

        self._dialog = gtk.Window()
        self._dialog.set_resizable(True)

        self._dialog.realize()
        self._dialog.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)

        self._embed = Browser()
        self._size_to_sid = self._embed.connect('size_to', self._size_to_cb)
        self._vis_sid = self._embed.connect('visibility', self._visibility_cb)

        self._dialog.add(self._embed)

    def _size_to_cb(self, embed, width, height):
        logging.debug('Resize the popup to %d %d' % (width, height))
        self._sized_popup = True
        self._dialog.resize(width, height)

    def _visibility_cb(self, embed, visible):
        if visible:
            if self._sized_popup:
                logging.debug('Show the popup')
                self._embed.show()
                self._dialog.set_transient_for(self._parent_window)
                self._dialog.show()
            else:
                logging.debug('Open a new activity for the popup')
                self._dialog.remove(self._embed)

                # FIXME We need a better way to handle this.
                # It seem like a pretty special case though, I doubt
                # other activities will need something similar.
                from webactivity import WebActivity
                activity = WebActivity(self._embed)
                activity.set_type('org.laptop.WebActivity')

            self._embed.disconnect(self._size_to_sid)
            self._embed.disconnect(self._vis_sid)

            self.emit('popup-created')

    def get_embed(self):
        return self._embed

class WebView(Browser):
    __gtype_name__ = "SugarWebBrowser"

    def __init__(self):
        Browser.__init__(self)
        self._popup_creators = []

    def do_create_window(self):
        popup_creator = _PopupCreator(self.get_toplevel())
        popup_creator.connect('popup-created', self._popup_created_cb)

        self._popup_creators.append(popup_creator)

        return popup_creator.get_embed()

    def _popup_created_cb(self, creator):
        self._popup_creators.remove(creator)