/usr/share/screenlets-manager/WebframeScreenlet.py is in screenlets 0.1.6-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# WebframeScreenlet
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
#
# @license GNU General Public License Version 3
# @author Akira Ohgaki <akiraohgaki@gmail.com>
# @link https://launchpad.net/webframe
import sys
import os
import gettext
import gobject
import gtk
import screenlets
_ = screenlets.utils.get_translator(__file__)
def tdoc(obj):
obj.__doc__ = _(obj.__doc__)
return obj
@tdoc
class WebframeScreenlet(screenlets.Screenlet):
"""A Screenlet to browse the web"""
__name__ = 'WebframeScreenlet'
__version__ = '0.4.0'
__author__ = 'Akira Ohgaki'
__requires__ = ['python-webkit']
__desc__ = __doc__
browser = None
webkit_browser = None
gecko_browser = None
autoreload = None
default_theme = 'Black'
gecko_browser_profile = 'mozilla'
browser_engines = ['webkit', 'gecko']
browser_width = 480
browser_min_width = 200
browser_max_width = 2000
browser_height = 320
browser_min_height = 200
browser_max_height = 2000
browser_border_width = 15
browser_border_min_width = 10
browser_border_max_width = 20
autoreload_interval = 0 # minutes
autoreload_max_interval = 120 # minutes
home_uri = ''
search_uri = 'http://www.google.com/m'
last_uri = ''
def __init__(self, **keyword_args):
screenlets.Screenlet.__init__(
self,
width=self.browser_width + self.browser_border_width * 2,
height=self.browser_height + self.browser_border_width * 2,
uses_theme=True,
is_widget=False,
is_sticky=True,
resize_on_scroll=False,
**keyword_args
)
self.theme_name = self.default_theme
self.add_options_group(
_('Webframe'),
_('Preferences for this Webframe instance')
)
self.add_option(screenlets.options.StringOption(
_('Webframe'),
'home_uri',
str(self.home_uri),
_('Home page'),
_('Set your favorite pages')
))
self.add_option(screenlets.options.IntOption(
_('Webframe'),
'autoreload_interval',
self.autoreload_interval,
_('Auto reload (minutes)'),
_('0 is disable an auto reload event'),
min=0,
max=self.autoreload_max_interval
))
self.add_option(screenlets.options.IntOption(
_('Webframe'),
'browser_width',
self.browser_width,
_('Width'),
_('Width of the browser viewport'),
min=self.browser_min_width,
max=self.browser_max_width
))
self.add_option(screenlets.options.IntOption(
_('Webframe'),
'browser_height',
self.browser_height,
_('Height'),
_('Height of the browser viewport'),
min=self.browser_min_height,
max=self.browser_max_height
))
self.add_option(screenlets.options.IntOption(
_('Webframe'),
'browser_border_width',
self.browser_border_width,
_('Border width'),
_('Thickness of border in pixels'),
min=self.browser_border_min_width,
max=self.browser_border_max_width
))
self.add_option(screenlets.options.ListOption(
_('Webframe'),
'browser_engines',
self.browser_engines,
_('Web browser engine'),
_('Set default engine to the first item of list')
))
def on_after_set_atribute(self, name, value):
if self.browser:
if name == 'autoreload_interval':
self.set_autoreload(self.autoreload_interval)
elif name in ('browser_width', 'browser_height', 'browser_border_width'):
self.width = self.browser_width + self.browser_border_width * 2
self.height = self.browser_height + self.browser_border_width * 2
self.browser.set_border_width(self.browser_border_width)
self.redraw_canvas()
def on_init(self):
if not self.theme:
#screenlets.show_message(self, _('Theme could not be loaded.'))
print(_('Theme could not be loaded.'))
self.init_browser()
self.browser.set_border_width(self.browser_border_width)
self.window.add(self.browser)
self.window.show_all()
if self.home_uri:
self.browser_action('load_uri', self.home_uri)
else:
self.browser_action('load_uri', self.search_uri)
self.set_autoreload(self.autoreload_interval)
self.add_menuitem('go_back', _('Back'))
self.add_menuitem('go_forward', _('Forward'))
self.add_menuitem('reload', _('Reload'))
self.add_menuitem('load_home_uri', _('Home'))
self.add_menuitem('load_search_uri', _('Search'))
self.add_menuitem('open_uri', _('View in Browser'))
self.add_default_menuitems()
def on_menuitem_select(self, id):
if id == 'go_back':
self.browser_action('go_back')
elif id == 'go_forward':
self.browser_action('go_forward')
elif id == 'reload':
self.browser_action('reload')
elif id == 'load_home_uri':
self.browser_action('load_uri', self.home_uri)
elif id == 'load_search_uri':
self.browser_action('load_uri', self.search_uri)
elif id == 'open_uri':
os.system("gnome-open '" + self.browser_action('get_uri') + "'")
def on_mouse_enter(self, event):
self.set_autoreload(0)
def on_unfocus(self, event):
self.set_autoreload(self.autoreload_interval)
def on_draw(self, context):
context.scale(self.scale, self.scale)
theme_dir = self.get_screenlet_dir() + '/themes/' + self.theme_name
bg_file = theme_dir + '/bg.png'
left_file = theme_dir + '/left.png'
right_file = theme_dir + '/right.png'
top_file = theme_dir + '/top.png'
bottom_file = theme_dir + '/bottom.png'
left_top_file = theme_dir + '/left-top.png'
left_bottom_file = theme_dir + '/left-bottom.png'
right_top_file = theme_dir + '/right-top.png'
right_bottom_file = theme_dir + '/right-bottom.png'
left_center_file = theme_dir + '/left-center.png'
right_center_file = theme_dir + '/right-center.png'
top_center_file = theme_dir + '/top-center.png'
bottom_center_file = theme_dir + '/bottom-center.png'
image_files = (
bg_file,
left_file, right_file, top_file, bottom_file,
left_top_file, left_bottom_file, right_top_file, right_bottom_file,
left_center_file, right_center_file, top_center_file, bottom_center_file
)
is_collect = True
for image_file in image_files:
if not os.path.isfile(image_file):
is_collect = False
break
if self.theme and is_collect:
bg_size = self.theme.get_image_size(bg_file)
left_size = self.theme.get_image_size(left_file)
right_size = self.theme.get_image_size(right_file)
top_size = self.theme.get_image_size(top_file)
bottom_size = self.theme.get_image_size(bottom_file)
left_top_size = self.theme.get_image_size(left_top_file)
left_bottom_size = self.theme.get_image_size(left_bottom_file)
right_top_size = self.theme.get_image_size(right_top_file)
right_bottom_size = self.theme.get_image_size(right_bottom_file)
left_center_size = self.theme.get_image_size(left_center_file)
right_center_size = self.theme.get_image_size(right_center_file)
top_center_size = self.theme.get_image_size(top_center_file)
bottom_center_size = self.theme.get_image_size(bottom_center_file)
left_scaled_height = (self.height - left_top_size[1] - left_center_size[1] - left_bottom_size[1]) / 2
right_scaled_height = (self.height - right_top_size[1] - right_center_size[1] - right_bottom_size[1]) / 2
top_scaled_width = (self.width - left_top_size[0] - top_center_size[0] - right_top_size[0]) / 2
bottom_scaled_width = (self.width - left_bottom_size[0] - bottom_center_size[0] - right_bottom_size[0]) / 2
self.theme.draw_scaled_image(
context,
self.browser_border_width,
self.browser_border_width,
bg_file,
self.browser_width,
self.browser_height
)
self.theme.draw_scaled_image(
context,
0,
left_top_size[1],
left_file,
left_size[0],
left_scaled_height
)
self.theme.draw_scaled_image(
context,
0,
left_top_size[1] + left_scaled_height + left_center_size[1],
left_file,
left_size[0],
self.height - left_top_size[1] - left_scaled_height - left_center_size[1] - left_bottom_size[1]
)
self.theme.draw_scaled_image(
context,
self.width - right_size[0],
right_top_size[1],
right_file,
right_size[0],
right_scaled_height
)
self.theme.draw_scaled_image(
context,
self.width - right_size[0],
right_top_size[1] + right_scaled_height + right_center_size[1],
right_file,
right_size[0],
self.height - right_top_size[1] - right_scaled_height - right_center_size[1] - right_bottom_size[1]
)
self.theme.draw_scaled_image(
context,
left_top_size[0],
0,
top_file,
top_scaled_width,
top_size[1]
)
self.theme.draw_scaled_image(
context,
left_top_size[0] + top_scaled_width + top_center_size[0],
0,
top_file,
self.width - left_top_size[0] - top_scaled_width - top_center_size[0] - right_top_size[0],
top_size[1]
)
self.theme.draw_scaled_image(
context,
left_bottom_size[0],
self.height - bottom_size[1],
bottom_file,
bottom_scaled_width,
bottom_size[1]
)
self.theme.draw_scaled_image(
context,
left_bottom_size[0] + bottom_scaled_width + bottom_center_size[0],
self.height - bottom_size[1],
bottom_file,
self.width - left_bottom_size[0] - bottom_scaled_width - bottom_center_size[0] - right_bottom_size[0],
bottom_size[1]
)
self.theme.draw_image(
context,
0,
0,
left_top_file
)
self.theme.draw_image(
context,
0,
self.height - left_bottom_size[1],
left_bottom_file
)
self.theme.draw_image(
context,
self.width - right_top_size[0],
0,
right_top_file
)
self.theme.draw_image(
context,
self.width - right_bottom_size[0],
self.height - right_bottom_size[1],
right_bottom_file
)
self.theme.draw_image(
context,
0,
left_top_size[1] + left_scaled_height,
left_center_file
)
self.theme.draw_image(
context,
self.width - right_center_size[0],
right_top_size[1] + right_scaled_height,
right_center_file
)
self.theme.draw_image(
context,
left_top_size[0] + top_scaled_width,
0,
top_center_file
)
self.theme.draw_image(
context,
left_bottom_size[0] + bottom_scaled_width,
self.height - bottom_center_size[1],
bottom_center_file
)
else:
context.set_source_rgba(0, 0, 0, 0.7)
context.rectangle(0, 0, self.width, self.height)
context.fill()
def on_draw_shape(self, context):
self.on_draw(context)
def init_browser(self):
""" Initialize a web browser
"""
self.browser = gtk.VBox()
if self.browser_engines[0] == 'webkit':
try:
self.init_webkit_browser()
scrolled_window = gtk.ScrolledWindow()
scrolled_window.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
scrolled_window.add(self.webkit_browser)
self.browser.pack_start(scrolled_window, True, True, 0)
except:
#screenlets.show_error(self, _('WebKit engine could not be initialized.'))
print(_('WebKit engine could not be initialized.'))
elif self.browser_engines[0] == 'gecko':
try:
self.init_gecko_browser()
self.browser.pack_start(self.gecko_browser, True, True, 0)
except:
#screenlets.show_error(self, _('Gecko engine could not be initialized.'))
print(_('Gecko engine could not be initialized.'))
def init_webkit_browser(self):
""" Initialize a WebKit web browser
WebKitGTK+ Reference Manual:
http://webkitgtk.org/reference/index.html
"""
import webkit
self.webkit_browser = webkit.WebView()
settings = self.webkit_browser.get_settings()
settings.set_property('enable-default-context-menu', False)
self.webkit_browser.set_settings(settings)
def init_gecko_browser(self):
""" Initialize a Gecko web browser
Python GtkMozembed Reference Manual:
http://www.pygtk.org/pygtkmozembed/index.html
"""
import gtkmozembed
if hasattr(gtkmozembed, 'set_profile_path'):
gtkmozembed.set_profile_path(self.get_screenlet_dir(), self.gecko_browser_profile)
else:
gtkmozembed.gtk_moz_embed_set_profile_path(self.get_screenlet_dir(), self.gecko_browser_profile)
self.gecko_browser = gtkmozembed.MozEmbed()
def browser_action(self, action, uri=''):
""" Web browser action
"""
if self.webkit_browser:
if action == 'go_back':
self.webkit_browser.go_back()
elif action == 'go_forward':
self.webkit_browser.go_forward()
elif action == 'reload':
self.webkit_browser.reload()
elif action == 'load_uri':
self.webkit_browser.load_uri(uri)
elif action == 'get_uri':
return self.webkit_browser.get_property('uri')
elif self.gecko_browser:
if action == 'go_back':
self.gecko_browser.go_back()
elif action == 'go_forward':
self.gecko_browser.go_forward()
elif action == 'reload':
self.gecko_browser.reload(True)
elif action == 'load_uri':
self.gecko_browser.load_url(uri)
elif action == 'get_uri':
return self.gecko_browser.get_location()
def set_autoreload(self, interval):
""" Set an auto reload event
"""
if self.autoreload:
gobject.source_remove(self.autoreload)
if (interval > 0) and (self.webkit_browser or self.gecko_browser):
self.last_uri = self.browser_action('get_uri')
self.autoreload = gobject.timeout_add(60000 * interval, self.autoreload_handler)
def autoreload_handler(self):
""" Auto reload event handler
"""
if self.last_uri == self.browser_action('get_uri'):
self.browser_action('reload')
return True
else:
return False
if __name__ == '__main__':
screenlets.session.create_session(WebframeScreenlet)
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