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update browser if slide changes

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This commit is contained in:
Jonathan Corwin 2010-04-29 23:52:23 +01:00
parent 970d66d4ad
commit 72fa923937
4 changed files with 95 additions and 37 deletions
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26
openlp/core/lib/eventreceiver.py
View File

@ -65,11 +65,23 @@ class EventReceiver(QtCore.QObject):
``slidecontroller_{live|preview}_last``
Moves to the last slide
``slidecontroller_{live|preview}_set``
Moves to a specific slide, by index
``slidecontroller_{live|preview}_started``
Broadcasts that an item has been made live/previewed
``slidecontroller_{live|preview}_change``
Informs the slidecontroller that a slide change has occurred
Informs the slidecontroller that a slide change has occurred and to
update itself
``slidecontroller_{live|preview}_changed``
Broadcasts that the slidecontroller has changed the current slide
``slidecontroller_{live|preview}_text_request``
Request the text for the current item in the controller
Returns a slidecontroller_{live|preview}_text_response with an
array of dictionaries with the tag and verse text
``slidecontroller_live_spin_delay``
Pushes out the loop delay
@ -77,9 +89,19 @@ class EventReceiver(QtCore.QObject):
``slidecontroller_live_stop_loop``
Stop the loop on the main display
``servicecontroller_next_item``
``servicemanager_previous_item``
Display the previous item in the service
``servicemanager_next_item``
Display the next item in the service
``servicemanager_set_item``
Go live on a specific item, by index
``servicemanager_list_request``
Request the service list. Responds with servicemanager_list_response
containing a array of dictionaries
``maindisplay_blank``
Blank the maindisplay window

13
openlp/core/ui/slidecontroller.py
View File

@ -565,9 +565,7 @@ class SlideController(QtGui.QWidget):
self.enableToolBar(serviceItem)
self.onSlideSelected()
self.PreviewListWidget.setFocus()
Receiver.send_message(u'%s_%s_started' %
(self.serviceItem.name.lower(),
'live' if self.isLive else 'preview'),
Receiver.send_message(u'slidecontroller_%s_started' % self.type_prefix,
[serviceItem])
log.log(15, u'Display Rendering took %4s' % (time.time() - before))
@ -576,6 +574,7 @@ class SlideController(QtGui.QWidget):
Return the text for the current item in controller
"""
data = []
if self.serviceItem:
for framenumber, frame in enumerate(self.serviceItem.get_frames()):
data_item = {}
if self.serviceItem.is_text():
@ -587,8 +586,8 @@ class SlideController(QtGui.QWidget):
data_item[u'selected'] = \
(self.PreviewListWidget.currentRow() == framenumber)
data.append(data_item)
Receiver.send_message(u'slidecontroller_%s_text_response' % self.type_prefix,
data)
Receiver.send_message(u'slidecontroller_%s_text_response'
% self.type_prefix, data)
#Screen event methods
def onSlideSelectedFirst(self):
@ -699,6 +698,8 @@ class SlideController(QtGui.QWidget):
if self.isLive:
self.mainDisplay.frameView(frame, True)
self.selectedRow = row
Receiver.send_message(u'slidecontroller_%s_changed' % self.type_prefix,
row)
def onSlideChange(self, row):
"""
@ -706,6 +707,8 @@ class SlideController(QtGui.QWidget):
"""
self.PreviewListWidget.selectRow(row)
self.updatePreview()
Receiver.send_message(u'slidecontroller_%s_changed' % self.type_prefix,
row)
def updatePreview(self):
rm = self.parent.RenderManager

65
openlp/plugins/remotes/lib/httpserver.py
View File

@ -43,6 +43,8 @@ class HttpServer(object):
log.debug(u'Initialise httpserver')
self.parent = parent
self.connections = []
self.current_item = None
self.current_slide = None
self.start_tcp()
def start_tcp(self):
@ -53,10 +55,29 @@ class HttpServer(object):
self.server = QtNetwork.QTcpServer()
self.server.listen(QtNetwork.QHostAddress(QtNetwork.QHostAddress.Any),
port)
QtCore.QObject.connect(Receiver.get_receiver(),
QtCore.SIGNAL(u'slidecontroller_live_changed'),
self.slide_change)
QtCore.QObject.connect(Receiver.get_receiver(),
QtCore.SIGNAL(u'slidecontroller_live_started'),
self.item_change)
QtCore.QObject.connect(self.server,
QtCore.SIGNAL(u'newConnection()'), self.new_connection)
log.debug(u'TCP listening on port %d' % port)
def slide_change(self, row):
self.current_slide = row
self.send_poll()
def item_change(self, items):
self.current_item = items[0].title
self.send_poll()
def send_poll(self):
Receiver.send_message(u'remote_poll_response',
{'slide': self.current_slide,
'item': self.current_item})
def new_connection(self):
log.debug(u'new http connection')
socket = self.server.nextPendingConnection()
@ -121,8 +142,8 @@ class HttpConnection(object):
function send_event(eventname, data){
var req = new XMLHttpRequest();
req.onreadystatechange = function() {
if(req.readyState==4 && req.status==200)
response(eventname, req.responseText);
if(req.readyState==4)
response(eventname, req);
}
var url = '';
if(eventname.substr(-8) == '_request')
@ -135,7 +156,20 @@ function send_event(eventname, data){
req.open('GET', url, true);
req.send();
}
function response(eventname, text){
function failed_response(eventname, req){
switch(eventname){
case 'remote_poll_request':
if(req.status==408)
send_event("remote_poll_request");
break;
}
}
function response(eventname, req){
if(req.status!=200){
failed_response(eventname, req);
return;
}
text = req.responseText;
switch(eventname){
case 'servicemanager_list_request':
var data = eval('(' + text + ')');
@ -155,11 +189,6 @@ function response(eventname, text){
html += '</table>';
document.getElementById('service').innerHTML = html;
break;
case 'servicemanager_previous_item':
case 'servicemanager_next_item':
case 'servicemanager_set_item':
send_event("servicemanager_list_request");
break;
case 'slidecontroller_live_text_request':
var data = eval('(' + text + ')');
var html = '<table>';
@ -168,23 +197,24 @@ function response(eventname, text){
html += "'slidecontroller_live_set', " + row + ')"';
if(data[row]['selected'])
html += ' style="font-weight: bold"';
html += '>'
html += '<td>' + data[row]['tag'] + '</td>'
html += '<td>' + data[row]['text'] + '</td>'
html += '</tr>';
html += '>';
html += '<td>' + data[row]['tag'] + '</td>';
html += '<td>' + data[row]['text'].replace(/\\n/g, '<br>');
html += '</td></tr>';
}
html += '</table>';
document.getElementById('currentitem').innerHTML = html;
break;
case 'slidecontroller_live_next':
case 'slidecontroller_live_previous':
case 'slidecontroller_live_set':
case 'remote_poll_request':
send_event("remote_poll_request");
send_event("servicemanager_list_request");
send_event("slidecontroller_live_text_request");
break;
}
}
send_event("servicemanager_list_request");
send_event("slidecontroller_live_text_request");
send_event("remote_poll_request");
</script>
</head>
<body>
@ -239,6 +269,9 @@ send_event("servicemanager_list_request");
self.timer.setSingleShot(True)
QtCore.QObject.connect(self.timer,
QtCore.SIGNAL(u'timeout()'), self.timeout)
if event == 'remote_poll_request':
self.timer.start(60000)
else:
self.timer.start(10000)
if params:
Receiver.send_message(event, params)

2
openlp/plugins/songusage/songusageplugin.py
View File

@ -108,7 +108,7 @@ class SongUsagePlugin(Plugin):
log.info(u'SongUsage Initialising')
Plugin.initialise(self)
QtCore.QObject.connect(Receiver.get_receiver(),
QtCore.SIGNAL(u'slidecontroller_live_started'),
QtCore.SIGNAL(u'songs_live_started'),
self.onReceiveSongUsage)
self.SongUsageActive = QtCore.QSettings().value(
self.settings_section + u'/active',