class NodeThumbnailRenderReply(QNetworkReply):
def __init__(self, parent, request):
QNetworkReply.__init__(self, parent)
self.qbuffer = None
self.connect(self, SIGNAL('abouteToClose()'), self.__close)
self.byteArray = QByteArray()
self.qbuffer = QBuffer(self.byteArray)
self.node = vfs().getnode(str(request.url().path().toUtf8()))
self.thumbnailer = Thumbnailer()
self.connect(self.thumbnailer, SIGNAL("ThumbnailUpdate"),
self.updateThumbnail)
self.setRequest(request)
self.setOperation(QNetworkAccessManager.GetOperation)
mime = "image/jpg"
self.setHeader(QNetworkRequest.ContentTypeHeader, QVariant(mime))
self.open()
self.setUrl(request.url())
self.connect(parent, SIGNAL("ready"), self.ready)
self.ready()
def ready(self):
if self.node.dataType().find('video') != -1:
pixmap = self.thumbnailer.generate(self.node,
iconSize=128,
frames=10)
else:
pixmap = self.thumbnailer.generate(self.node,
iconSize=256,
frames=10)
if pixmap:
self.updateThumbnail(self.node, pixmap)
def updateThumbnail(self, node, pixmap):
if pixmap == None:
pixmap = QPixmap(":file_broken.png")
pixmap.save(self.qbuffer, 'JPG')
self.qbuffer.seek(0)
QTimer.singleShot(0, self, SIGNAL("readyRead()"))
QTimer.singleShot(0, self, SIGNAL("finished()"))
def abort(self):
self.close()
def __del__(self):
self.thumbnailer.unregister()
def open(self, mode=None):
try:
self.qbuffer.open(QIODevice.ReadWrite | QIODevice.Unbuffered)
self.setOpenMode(QIODevice.ReadWrite | QIODevice.Unbuffered)
return True
except (AttributeError, IOError):
return False
def seek(self, pos):
if self.qbuffer:
return self.qbuffer.seek(pos)
return False
def __close(self):
if self.qbuffer:
self.qbuffer.close()
self.qbuffer = None
return True
def readData(self, size):
if self.qbuffer:
return self.qbuffer.read(size)
return ""
def pos(self):
if self.qbuffer:
return self.qbuffer.pos()
return 0
def isSequential(self):
if self.qbuffer:
return self.qbuffer.isSequential()
return False
def size(self):
return self.qbuffer.size()
def reset(self):
if self.qbuffer:
self.qbuffer.seek(0)
return True
return False
def atEnd(self):
if self.qbuffer:
return self.qbuffer.atEnd()
return False
class ReportJSRenderReply(QNetworkReply):
def __init__(self, parent, request):
QNetworkReply.__init__(self, parent)
self.__parent = parent
self.qbuffer = None
self.connect(self, SIGNAL('abouteToClose()'), self.__close)
self.byteArray = QByteArray()
self.qbuffer = QBuffer(self.byteArray)
self.setRequest(request)
self.setOperation(QNetworkAccessManager.GetOperation)
self.setHeader(
QNetworkRequest.ContentTypeHeader,
QVariant(
'"text/javascript" charset="utf-8" language="javascript"'))
self.setAttribute(QNetworkRequest.CacheLoadControlAttribute,
QVariant(QNetworkRequest.AlwaysNetwork))
self.open()
self.setUrl(request.url())
self.writeJS()
QTimer.singleShot(0, self, SIGNAL("readyRead()"))
QTimer.singleShot(0, self, SIGNAL("finished()"))
def writeJS(self):
pageName = self.url().path()
pageName = unicode(pageName).encode('UTF-8', 'replace')
buff = ""
try:
buff = self.__parent.pages[pageName]
except KeyError:
print "can't get page " + pageName
self.qbuffer.write(buff)
self.qbuffer.seek(0)
def abort(self):
self.close()
def __del__(self):
pass
def open(self, mode=None):
try:
self.qbuffer.open(QIODevice.ReadWrite | QIODevice.Unbuffered)
self.setOpenMode(QIODevice.ReadWrite | QIODevice.Unbuffered)
return True
except (AttributeError, IOError):
return False
def seek(self, pos):
if self.qbuffer:
return self.qbuffer.seek(pos)
return False
def __close(self):
if self.qbuffer:
self.qbuffer.close()
self.qbuffer = None
return True
def readData(self, size):
if self.qbuffer:
return self.qbuffer.read(size)
return ""
def pos(self):
if self.qbuffer:
return self.qbuffer.pos()
return 0
def isSequential(self):
if self.qbuffer:
return self.qbuffer.isSequential()
return False
def size(self):
return self.qbuffer.size()
def reset(self):
if self.qbuffer:
self.qbuffer.seek(0)
return True
return False
def atEnd(self):
if self.qbuffer:
return self.qbuffer.atEnd()
return False
