# Copyright 2009 Simon Schampijer
#
# 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

"""Web Activity: A case study for developing a web activity."""

from gi.repository import Gtk
import logging
import os

from gettext import gettext as _

from sugar3.activity import activity
from sugar3.graphics.toolbarbox import ToolbarBox
from sugar3.activity.widgets import ActivityButton
from sugar3.activity.widgets import TitleEntry
from sugar3.activity.widgets import StopButton
from sugar3.activity.widgets import ShareButton
from sugar3.activity.widgets import DescriptionItem

from gi.repository import WebKit


class WebActivity(activity.Activity):
    """WebActivity class as specified in activity.info"""

    def __init__(self, handle):
        """Set up the Web activity."""
        activity.Activity.__init__(self, handle)

        # we do not have collaboration features, make the share option
        # insensitive
        self.max_participants = 1

        self.make_toolbar()
        self.make_webview()

    def make_toolbar(self):

        # toolbar with the new toolbar redesign
        toolbar_box = ToolbarBox()

        activity_button = ActivityButton(self)
        toolbar_box.toolbar.insert(activity_button, 0)
        activity_button.show()

        title_entry = TitleEntry(self)
        toolbar_box.toolbar.insert(title_entry, -1)
        title_entry.show()

        description_item = DescriptionItem(self)
        toolbar_box.toolbar.insert(description_item, -1)
        description_item.show()

        share_button = ShareButton(self)
        toolbar_box.toolbar.insert(share_button, -1)
        share_button.show()

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(True)
        toolbar_box.toolbar.insert(separator, -1)
        separator.show()

        stop_button = StopButton(self)
        toolbar_box.toolbar.insert(stop_button, -1)
        stop_button.show()

        self.set_toolbar_box(toolbar_box)
        toolbar_box.show()

    def make_webview(self):
        scrolled_window = Gtk.ScrolledWindow()

        webview  = WebKit.WebView()
        scrolled_window.add(webview)
        webview.show()

        web_settings = webview.get_settings()

        # Change font size based in the GtkSettings font size.  The
        # gtk-font-name property is a string with format '[font name]
        # [font size]' like 'Sans Serif 10'.
        gtk_settings = Gtk.Settings.get_default()
        gtk_font_name = gtk_settings.get_property('gtk-font-name')
        gtk_font_size = float(gtk_font_name.split()[-1])
        web_settings.props.default_font_size = gtk_font_size * 1.2
        web_settings.props.default_monospace_font_size = \
            gtk_font_size * 1.2 - 2

        webview.set_settings(web_settings)

        # Scale text and graphics:
        webview.set_full_content_zoom(True)

        # Load web app:
        web_app_page = os.path.join(activity.get_bundle_path(),
                                    "data/index.html")
        webview.load_uri('file://' + web_app_page)

        self.set_canvas(scrolled_window)
        scrolled_window.show()