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Add signals to DownloadItem

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This commit is contained in:
Florian Bruhin 2014-06-11 22:33:40 +02:00
parent c61289cedc
commit 788302890f
1 changed files with 16 additions and 1 deletions
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17
qutebrowser/browser/downloads.py
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@ -19,7 +19,7 @@
import os.path import os.path
from PyQt5.QtCore import pyqtSlot, QObject, QTimer from PyQt5.QtCore import pyqtSlot, pyqtSignal, QObject, QTimer
import qutebrowser.config.config as config import qutebrowser.config.config as config
import qutebrowser.utils.message as message import qutebrowser.utils.message as message
@ -43,9 +43,18 @@ class DownloadItem(QObject):
fileobj: The file object to download the file to. fileobj: The file object to download the file to.
_last_done: The count of bytes which where downloaded when calculating _last_done: The count of bytes which where downloaded when calculating
the speed the last time. the speed the last time.
_last_percentage: The remembered percentage for percentage_changed.
Signals:
speed_changed: The download speed changed.
arg: The speed in bytes/s
percentage_changed: The download percentage changed.
arg: The new percentage, -1 if unknown.
""" """
REFRESH_INTERVAL = 1000 REFRESH_INTERVAL = 1000
speed_changed = pyqtSignal(float)
percentage_changed = pyqtSignal(int)
def __init__(self, reply, filename, parent=None): def __init__(self, reply, filename, parent=None):
"""Constructor. """Constructor.
@ -60,6 +69,7 @@ class DownloadItem(QObject):
self.bytes_total = None self.bytes_total = None
self.speed = None self.speed = None
self._last_done = None self._last_done = None
self._last_percentage = None
# FIXME exceptions # FIXME exceptions
self.fileobj = open(filename, 'wb') self.fileobj = open(filename, 'wb')
reply.downloadProgress.connect(self.on_download_progress) reply.downloadProgress.connect(self.on_download_progress)
@ -91,6 +101,10 @@ class DownloadItem(QObject):
""" """
self.bytes_done = bytes_done self.bytes_done = bytes_done
self.bytes_total = bytes_total self.bytes_total = bytes_total
perc = round(self.percentage)
if perc != self._last_percentage:
self.percentage_changed.emit(perc)
self._last_percentage = perc
@pyqtSlot() @pyqtSlot()
def on_finished(self): def on_finished(self):
@ -118,6 +132,7 @@ class DownloadItem(QObject):
self.speed = delta / self.REFRESH_INTERVAL / 1000 self.speed = delta / self.REFRESH_INTERVAL / 1000
logger.debug("Download speed: {} bytes/sec".format(self.speed)) logger.debug("Download speed: {} bytes/sec".format(self.speed))
self._last_done = self.bytes_done self._last_done = self.bytes_done
self.speed_changed.emit(self.speed)
class DownloadManager(QObject): class DownloadManager(QObject):