109 lines
3.7 KiB
Python
109 lines
3.7 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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#
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# This file is part of qutebrowser.
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#
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# qutebrowser 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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#
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# qutebrowser 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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#
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# You should have received a copy of the GNU General Public License
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# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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"""Glue code for qutebrowser.{browser,widgets}.download."""
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from PyQt5.QtCore import (pyqtSlot, Qt, QVariant, QAbstractListModel,
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QModelIndex)
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from qutebrowser.config import config
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from qutebrowser.utils import usertypes, qtutils, objreg, utils
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Role = usertypes.enum('Role', 'item', start=Qt.UserRole, is_int=True)
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class DownloadModel(QAbstractListModel):
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"""Glue model to show downloads in a QListView.
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Glue between qutebrowser.browser.download (DownloadManager) and
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qutebrowser.widgets.download (DownloadView).
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"""
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def __init__(self, parent=None):
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super().__init__(parent)
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download_manager = objreg.get('download-manager')
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download_manager.download_about_to_be_added.connect(
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lambda idx: self.beginInsertRows(QModelIndex(), idx, idx))
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download_manager.download_added.connect(self.endInsertRows)
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download_manager.download_about_to_be_finished.connect(
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lambda idx: self.beginRemoveRows(QModelIndex(), idx, idx))
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download_manager.download_finished.connect(self.endRemoveRows)
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download_manager.data_changed.connect(self.on_data_changed)
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def __repr__(self):
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return utils.get_repr(self, count=self.rowCount())
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@pyqtSlot(int)
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def on_data_changed(self, idx):
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"""Update view when DownloadManager data changed."""
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model_idx = self.index(idx, 0)
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qtutils.ensure_valid(model_idx)
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self.dataChanged.emit(model_idx, model_idx)
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def last_index(self):
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"""Get the last index in the model.
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Return:
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A (possibly invalid) QModelIndex.
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"""
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idx = self.index(self.rowCount() - 1)
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return idx
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def headerData(self, section, orientation, role):
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"""Simple constant header."""
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if (section == 0 and orientation == Qt.Horizontal and
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role == Qt.DisplayRole):
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return "Downloads"
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else:
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return ""
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def data(self, index, role):
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"""Download data from DownloadManager."""
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qtutils.ensure_valid(index)
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if index.parent().isValid() or index.column() != 0:
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return QVariant()
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item = objreg.get('download-manager').downloads[index.row()]
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if role == Qt.DisplayRole:
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data = str(item)
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elif role == Qt.ForegroundRole:
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data = config.get('colors', 'downloads.fg')
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elif role == Qt.BackgroundRole:
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data = item.bg_color()
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elif role == Role.item:
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data = item
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else:
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data = QVariant()
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return data
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def flags(self, _index):
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"""Override flags so items aren't selectable.
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The default would be Qt.ItemIsEnabled | Qt.ItemIsSelectable."""
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return Qt.ItemIsEnabled
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def rowCount(self, parent=QModelIndex()):
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"""Get count of active downloads."""
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if parent.isValid():
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# We don't have children
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return 0
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return len(objreg.get('download-manager').downloads)
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