mirror of
https://github.com/onionshare/onionshare.git
synced 2024-10-01 01:35:40 -04:00
165 lines
6.0 KiB
Python
165 lines
6.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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OnionShare | https://onionshare.org/
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Copyright (C) 2014-2018 Micah Lee <micah@micahflee.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import time
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from PyQt5 import QtCore, QtWidgets, QtGui
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from onionshare import strings
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class Download(object):
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def __init__(self, common, download_id, total_bytes):
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self.common = common
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self.download_id = download_id
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self.started = time.time()
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self.total_bytes = total_bytes
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self.downloaded_bytes = 0
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# Progress bar
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self.progress_bar = QtWidgets.QProgressBar()
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self.progress_bar.setTextVisible(True)
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self.progress_bar.setAttribute(QtCore.Qt.WA_DeleteOnClose)
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self.progress_bar.setAlignment(QtCore.Qt.AlignHCenter)
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self.progress_bar.setMinimum(0)
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self.progress_bar.setMaximum(total_bytes)
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self.progress_bar.setValue(0)
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self.progress_bar.setStyleSheet(self.common.css['downloads_uploads_progress_bar'])
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self.progress_bar.total_bytes = total_bytes
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# Start at 0
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self.update(0)
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def update(self, downloaded_bytes):
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self.downloaded_bytes = downloaded_bytes
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self.progress_bar.setValue(downloaded_bytes)
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if downloaded_bytes == self.progress_bar.total_bytes:
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pb_fmt = strings._('gui_download_upload_progress_complete').format(
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self.common.format_seconds(time.time() - self.started))
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else:
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elapsed = time.time() - self.started
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if elapsed < 10:
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# Wait a couple of seconds for the download rate to stabilize.
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# This prevents a "Windows copy dialog"-esque experience at
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# the beginning of the download.
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pb_fmt = strings._('gui_download_upload_progress_starting').format(
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self.common.human_readable_filesize(downloaded_bytes))
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else:
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pb_fmt = strings._('gui_download_upload_progress_eta').format(
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self.common.human_readable_filesize(downloaded_bytes),
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self.estimated_time_remaining)
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self.progress_bar.setFormat(pb_fmt)
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def cancel(self):
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self.progress_bar.setFormat(strings._('gui_canceled'))
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@property
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def estimated_time_remaining(self):
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return self.common.estimated_time_remaining(self.downloaded_bytes,
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self.total_bytes,
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self.started)
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class Downloads(QtWidgets.QScrollArea):
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"""
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The downloads chunk of the GUI. This lists all of the active download
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progress bars.
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"""
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def __init__(self, common):
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super(Downloads, self).__init__()
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self.common = common
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self.downloads = {}
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self.setWindowTitle(strings._('gui_downloads', True))
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self.setWidgetResizable(True)
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self.setMaximumHeight(600)
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self.setMinimumHeight(150)
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self.setMinimumWidth(350)
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self.setWindowIcon(QtGui.QIcon(common.get_resource_path('images/logo.png')))
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self.setWindowFlags(QtCore.Qt.Sheet | QtCore.Qt.WindowTitleHint | QtCore.Qt.WindowSystemMenuHint | QtCore.Qt.CustomizeWindowHint)
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self.vbar = self.verticalScrollBar()
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self.vbar.rangeChanged.connect(self.resizeScroll)
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downloads_label = QtWidgets.QLabel(strings._('gui_downloads', True))
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downloads_label.setStyleSheet(self.common.css['downloads_uploads_label'])
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self.no_downloads_label = QtWidgets.QLabel(strings._('gui_no_downloads', True))
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self.clear_history_button = QtWidgets.QPushButton(strings._('gui_clear_history', True))
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self.clear_history_button.clicked.connect(self.reset)
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self.clear_history_button.hide()
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self.downloads_layout = QtWidgets.QVBoxLayout()
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widget = QtWidgets.QWidget()
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layout = QtWidgets.QVBoxLayout()
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layout.addWidget(downloads_label)
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layout.addWidget(self.no_downloads_label)
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layout.addWidget(self.clear_history_button)
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layout.addLayout(self.downloads_layout)
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layout.addStretch()
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widget.setLayout(layout)
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self.setWidget(widget)
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def resizeScroll(self, minimum, maximum):
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"""
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Scroll to the bottom of the window when the range changes.
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"""
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self.vbar.setValue(maximum)
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def add(self, download_id, total_bytes):
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"""
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Add a new download progress bar.
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"""
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# Hide the no_downloads_label
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self.no_downloads_label.hide()
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# Show the clear_history_button
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self.clear_history_button.show()
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# Add it to the list
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download = Download(self.common, download_id, total_bytes)
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self.downloads[download_id] = download
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self.downloads_layout.addWidget(download.progress_bar)
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def update(self, download_id, downloaded_bytes):
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"""
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Update the progress of a download progress bar.
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"""
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self.downloads[download_id].update(downloaded_bytes)
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def cancel(self, download_id):
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"""
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Update a download progress bar to show that it has been canceled.
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"""
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self.downloads[download_id].cancel()
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def reset(self):
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"""
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Reset the downloads back to zero
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"""
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for download in self.downloads.values():
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self.downloads_layout.removeWidget(download.progress_bar)
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download.progress_bar.close()
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self.downloads = {}
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self.no_downloads_label.show()
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self.clear_history_button.hide()
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self.resize(self.sizeHint())
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