59defd33b6
* add course and org to full/course.xml * fix error path in clean_xml script * commit rakefile change needed by c5334f150c
82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
import json
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import logging
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from lxml import etree
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from pkg_resources import resource_string, resource_listdir
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from xmodule.x_module import XModule
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from xmodule.raw_module import RawDescriptor
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log = logging.getLogger(__name__)
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class VideoModule(XModule):
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video_time = 0
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icon_class = 'video'
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js = {'coffee':
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[resource_string(__name__, 'js/src/time.coffee'),
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resource_string(__name__, 'js/src/video/display.coffee')] +
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[resource_string(__name__, 'js/src/video/display/' + filename)
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for filename
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in sorted(resource_listdir(__name__, 'js/src/video/display'))]}
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css = {'scss': [resource_string(__name__, 'css/video/display.scss')]}
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js_module_name = "Video"
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def __init__(self, system, location, definition, instance_state=None, shared_state=None, **kwargs):
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XModule.__init__(self, system, location, definition, instance_state, shared_state, **kwargs)
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xmltree = etree.fromstring(self.definition['data'])
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self.youtube = xmltree.get('youtube')
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self.name = xmltree.get('name')
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self.position = 0
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if instance_state is not None:
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state = json.loads(instance_state)
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if 'position' in state:
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self.position = int(float(state['position']))
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def handle_ajax(self, dispatch, get):
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'''
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Handle ajax calls to this video.
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TODO (vshnayder): This is not being called right now, so the position
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is not being saved.
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'''
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log.debug(u"GET {0}".format(get))
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log.debug(u"DISPATCH {0}".format(dispatch))
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if dispatch == 'goto_position':
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self.position = int(float(get['position']))
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log.info(u"NEW POSITION {0}".format(self.position))
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return json.dumps({'success': True})
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raise Http404()
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def get_progress(self):
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''' TODO (vshnayder): Get and save duration of youtube video, then return
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fraction watched.
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(Be careful to notice when video link changes and update)
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For now, we have no way of knowing if the video has even been watched, so
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just return None.
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'''
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return None
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def get_instance_state(self):
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#log.debug(u"STATE POSITION {0}".format(self.position))
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return json.dumps({'position': self.position})
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def video_list(self):
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return self.youtube
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def get_html(self):
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return self.system.render_template('video.html', {
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'streams': self.video_list(),
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'id': self.location.html_id(),
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'position': self.position,
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'name': self.name,
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# TODO (cpennington): This won't work when we move to data that isn't on the filesystem
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'data_dir': self.metadata['data_dir'],
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})
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class VideoDescriptor(RawDescriptor):
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module_class = VideoModule
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