Source Code for Module library.pyjamas.feed.Feed

 1  from pyjamas.Timer import Timer 
 2  from __pyjamas__ import doc, JS 
 3  from pyjamas import DOM 
 4   
 5  frameId = 0 
 6   
 7 -class Feed: 
 8   
 9 -    def __init__(self, url, callback): 
10          global frameId 
11          frame = DOM.createElement("iframe") 
12          frameid = "__pygwt_feedFrame%d" % frameId 
13          frameId += 1 
14          DOM.setAttribute(frame, "id", frameid) 
15          DOM.setAttribute(frame, "src", url) 
16          #DOM.setStyleAttribute(frame, 'width', '0') 
17          #DOM.setStyleAttribute(frame, 'height', '0') 
18          #DOM.setStyleAttribute(frame, 'border', '0') 
19          #DOM.setStyleAttribute(frame, 'position', 'absolute') 
20          self.frameId = frameId 
21          self.frame = frame 
22          self.timer = Timer(notify=self) 
23          doc().parent.body.appendChild(frame) 
24          self.callback = callback 
25          self.timer.scheduleRepeating(100) 
26   
27 -    def getFrameTxt(self): 
28          return str(self.frame.contentWindow.document.body.innerHTML) 
29   
30 -    def onTimer(self, *args): 
31          txt = self.getFrameTxt() 
32          if txt == '': 
33              return 
34          self.callback(self, txt) 
35          self.timer.cancel() 
36