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# -*- coding: utf-8 -*-
# Copyright 2012 Ariel Calzada - ariel@activitycentral.com
#
# 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
"""
Screencast Activity: An activity for producing XO tutorials.
Based on http://git.sugarlabs.org/screencast
"""
# Localization
from gettext import gettext as _
# Activity base class
from sugar.activity import activity
# Toolbar
from sugar.activity.activity import ActivityToolbox
# GTK
import gtk
# UI
import screencast_ui
# Process
import screencast_process
# GObject
import gobject
# OS
import os
# Bundlepath
from sugar.activity.activity import get_bundle_path
class ScreencastActivity(activity.Activity):
""" Screencast Activity
"""
# Attributes
_ui = None
_process = None
_outfile = None
_state = None
def __init__(self, handle):
""" Constructor
"""
# Call super class "Activity" constructor method
super(ScreencastActivity, self).__init__(handle)
# State
self._state = "stop"
# Out file
self._outfile = os.path.join( get_bundle_path(), "screencast.ogv" )
# Build GUI
self._ui = screencast_ui.ScreencastUI(self)
self._ui.buildGUI()
# Show GUI
self._ui.showGUI()
# Process
self._process = screencast_process.ScreencastProcess()
self._process.connect('encode-start', self.startEncode)
self._process.connect('encode-finished', self.finishEncode)
self._process.connect('update-statusbar', self.updateStatusbar)
# Connect UI signals
self._ui.connect('record-button-clicked-signal', self.recordButtonClicked)
self._ui.connect('stop-button-clicked-signal', self.stopButtonClicked)
def recordButtonClicked(self, widget):
""" Record button clicked event
"""
self._ui.changeButtonsState("record")
self._process.runProcess(self._ui.getCurrentQuality(), self._ui.isSoundCheckActive(), self._outfile)
self._state = "record"
def stopButtonClicked(self, widget):
""" Stop button clicked event
"""
self._ui.changeButtonsState("encode")
self._process.stopProcess()
def startEncode(self,widget):
""" Start encoding
"""
self._ui.showProgressbar()
self._state = "encode"
def finishEncode(self,widget):
""" Finish encoding
"""
self._ui.changeButtonsState("stop")
self._ui.hideProgressbar()
self._state = "stop"
self._ui.alert("Encode finished")
def updateStatusbar(self, widget, text, percentage):
""" Update status bar
"""
text = "Status: Encoding"
self._ui.changeStatusbarText(text)
self._ui.updateProgressbar(percentage)
def write_file(self, filePath):
""" Journal write file method
"""
if os.path.exists(self._outfile) and self._state == "stop":
self.metadata['mime_type'] = 'video/ogg'
if self._jobject.metadata['title_set_by_user'] == '1':
title = self.metadata['title']
else:
title = "My Screencast"
cmd = "copy-to-journal %s -m video/ogg -t \"%s\"" % ( self._outfile, title )
os.system(cmd)
def can_close(self):
""" Close before verification
"""
if self._state == "stop":
return True
self._ui.alert("You need to finish current operation before quitting")
return False
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