Files
bearhub/fpakman/view/qt/window.py
2019-06-30 18:58:56 -03:00

473 lines
17 KiB
Python
Executable File

import operator
from functools import reduce
from threading import Lock
from typing import List
from PyQt5.QtCore import QEvent
from PyQt5.QtGui import QIcon, QWindowStateChangeEvent, QPixmap
from PyQt5.QtWidgets import QWidget, QVBoxLayout, QApplication, QCheckBox, QHeaderView, QToolButton, QToolBar, \
QSizePolicy, QLabel, QPlainTextEdit, QLineEdit
from fpakman.core import resource, flatpak
from fpakman.core.controller import FlatpakManager
from fpakman.view.qt import dialog
from fpakman.view.qt.apps_table import AppsTable
from fpakman.view.qt.history import HistoryDialog
from fpakman.view.qt.info import InfoDialog
from fpakman.view.qt.root import is_root, ask_root_password
from fpakman.view.qt.thread import UpdateSelectedApps, RefreshApps, UninstallApp, DowngradeApp, GetAppInfo, \
GetAppHistory, SearchApps, InstallApp
class ManageWindow(QWidget):
__BASE_HEIGHT__ = 400
def __init__(self, locale_keys: dict, manager: FlatpakManager, tray_icon=None):
super(ManageWindow, self).__init__()
self.locale_keys = locale_keys
self.manager = manager
self.tray_icon = tray_icon
self.thread_lock = Lock()
self.working = False # restrict the number of threaded actions
self.apps = []
self.label_flatpak = None
self.icon_flathub = QIcon(resource.get_path('img/flathub_45.svg'))
self._check_flatpak_installed()
self.resize(ManageWindow.__BASE_HEIGHT__, ManageWindow.__BASE_HEIGHT__)
self.setWindowTitle(locale_keys['manage_window.title'])
self.setWindowIcon(self.icon_flathub)
self.layout = QVBoxLayout()
self.setLayout(self.layout)
self.toolbar_search = QToolBar()
self.toolbar_search.setStyleSheet("spacing: 0px;")
self.toolbar_search.setContentsMargins(0, 0, 0, 0)
spacer = QWidget()
spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.toolbar_search.addWidget(spacer)
label_pre_search = QLabel()
label_pre_search.setStyleSheet("background: white; border-top-left-radius: 5px; border-bottom-left-radius: 5px;")
self.toolbar_search.addWidget(label_pre_search)
self.input_search = QLineEdit()
self.input_search.setFrame(False)
self.input_search.setPlaceholderText(self.locale_keys['window_manage.input_search.placeholder']+"...")
self.input_search.setToolTip(self.locale_keys['window_manage.input_search.tooltip'])
self.input_search.setStyleSheet("QLineEdit { background-color: white; color: grey; spacing: 0;}")
self.input_search.returnPressed.connect(self.search)
self.toolbar_search.addWidget(self.input_search)
label_pos_search = QLabel()
label_pos_search.setPixmap(QPixmap(resource.get_path('img/search.svg')))
label_pos_search.setStyleSheet("background: white; padding-right: 10px; border-top-right-radius: 5px; border-bottom-right-radius: 5px;")
self.toolbar_search.addWidget(label_pos_search)
spacer = QWidget()
spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.toolbar_search.addWidget(spacer)
self.layout.addWidget(self.toolbar_search)
toolbar = QToolBar()
self.checkbox_only_apps = QCheckBox()
self.checkbox_only_apps.setText(self.locale_keys['manage_window.checkbox.only_apps'])
self.checkbox_only_apps.setChecked(True)
self.checkbox_only_apps.stateChanged.connect(self.filter_only_apps)
toolbar.addWidget(self.checkbox_only_apps)
spacer = QWidget()
spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
toolbar.addWidget(spacer)
self.label_status = QLabel()
self.label_status.setText('')
self.label_status.setStyleSheet("color: orange; font-weight: bold")
toolbar.addWidget(self.label_status)
spacer = QWidget()
spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
toolbar.addWidget(spacer)
self.bt_refresh = QToolButton()
self.bt_refresh.setToolTip(locale_keys['manage_window.bt.refresh.tooltip'])
self.bt_refresh.setIcon(QIcon(resource.get_path('img/refresh.svg')))
self.bt_refresh.clicked.connect(lambda: self.refresh(clear_output=True))
toolbar.addWidget(self.bt_refresh)
self.bt_upgrade = QToolButton()
self.bt_upgrade.setToolTip(locale_keys['manage_window.bt.upgrade.tooltip'])
self.bt_upgrade.setIcon(QIcon(resource.get_path('img/update_green.svg')))
self.bt_upgrade.setEnabled(False)
self.bt_upgrade.clicked.connect(self.update_selected)
toolbar.addWidget(self.bt_upgrade)
self.layout.addWidget(toolbar)
self.table_apps = AppsTable(self)
self.table_apps.change_headers_policy()
self.layout.addWidget(self.table_apps)
self.textarea_output = QPlainTextEdit(self)
self.textarea_output.resize(self.table_apps.size())
self.textarea_output.setStyleSheet("background: black; color: white;")
self.layout.addWidget(self.textarea_output)
self.textarea_output.setVisible(False)
self.textarea_output.setReadOnly(True)
self.thread_update = UpdateSelectedApps()
self.thread_update.signal_output.connect(self._update_action_output)
self.thread_update.signal_finished.connect(self._finish_update_selected)
self.thread_refresh = RefreshApps(self.manager)
self.thread_refresh.signal.connect(self._finish_refresh)
self.thread_uninstall = UninstallApp()
self.thread_uninstall.signal_output.connect(self._update_action_output)
self.thread_uninstall.signal_finished.connect(self._finish_uninstall)
self.thread_downgrade = DowngradeApp(self.manager, self.locale_keys)
self.thread_downgrade.signal_output.connect(self._update_action_output)
self.thread_downgrade.signal_finished.connect(self._finish_downgrade)
self.thread_get_info = GetAppInfo()
self.thread_get_info.signal_finished.connect(self._finish_get_info)
self.thread_get_history = GetAppHistory()
self.thread_get_history.signal_finished.connect(self._finish_get_history)
self.thread_search = SearchApps(self.manager)
self.thread_search.signal_finished.connect(self._finish_search)
self.thread_install = InstallApp()
self.thread_install.signal_output.connect(self._update_action_output)
self.thread_install.signal_finished.connect(self._finish_install)
self.toolbar_bottom = QToolBar()
self.label_updates = QLabel('')
self.label_updates.setStyleSheet("color: #FF4500; font-weight: bold")
self.toolbar_bottom.addWidget(self.label_updates)
spacer = QWidget()
spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.toolbar_bottom.addWidget(spacer)
self.label_flatpak = QLabel(self._get_flatpak_label())
self.toolbar_bottom.addWidget(self.label_flatpak)
self.layout.addWidget(self.toolbar_bottom)
self.centralize()
def changeEvent(self, e: QEvent):
if isinstance(e, QWindowStateChangeEvent):
policy = QHeaderView.Stretch if self.isMaximized() else QHeaderView.ResizeToContents
self.table_apps.change_headers_policy(policy)
def closeEvent(self, event):
if self.tray_icon:
event.ignore()
self.hide()
def _check_flatpak_installed(self):
if not flatpak.is_installed():
dialog.show_error(title=self.locale_keys['popup.flatpak_not_installed.title'],
body=self.locale_keys['popup.flatpak_not_installed.msg'] + '...',
icon=self.icon_flathub)
exit(1)
if self.label_flatpak:
self.label_flatpak.setText(self._get_flatpak_label())
def _get_flatpak_label(self):
return 'flatpak: ' + flatpak.get_version()
def _acquire_lock(self):
self.thread_lock.acquire()
if not self.working:
self.working = True
self.thread_lock.release()
return self.working
def _release_lock(self):
self.thread_lock.acquire()
if self.working:
self.working = False
self.thread_lock.release()
def _hide_output(self):
self.textarea_output.clear()
self.textarea_output.hide()
def _show_output(self):
self.textarea_output.clear()
self.textarea_output.show()
def refresh(self, clear_output: bool = True):
if self._acquire_lock():
self._check_flatpak_installed()
self._begin_action(self.locale_keys['manage_window.status.refreshing'])
if clear_output:
self._hide_output()
self.thread_refresh.start()
def _finish_refresh(self, apps: List[dict]):
self.update_apps(apps)
self.finish_action()
self._release_lock()
def uninstall_app(self, app_ref: str):
self._check_flatpak_installed()
if self._acquire_lock():
self.textarea_output.clear()
self.textarea_output.setVisible(True)
self._begin_action(self.locale_keys['manage_window.status.uninstalling'])
self.thread_uninstall.app_ref = app_ref
self.thread_uninstall.start()
def _finish_uninstall(self):
self.finish_action()
self._release_lock()
self.refresh(clear_output=False)
def _finish_downgrade(self):
self.finish_action()
self._release_lock()
self.refresh(clear_output=False)
def filter_only_apps(self, only_apps: int):
if self.apps:
show_only_apps = True if only_apps == 2 else False
for idx, app in enumerate(self.apps):
hidden = show_only_apps and app['model']['runtime']
self.table_apps.setRowHidden(idx, hidden)
app['visible'] = not hidden
self.change_update_state()
self.table_apps.change_headers_policy(QHeaderView.Stretch)
self.table_apps.change_headers_policy()
self.resize_and_center()
def change_update_state(self):
enable_bt_update = False
app_updates, runtime_updates = 0, 0
for app in self.apps:
if app['model']['update']:
if app['model']['runtime']:
runtime_updates += 1
else:
app_updates += 1
total_updates = app_updates + runtime_updates
if total_updates > 0:
self.label_updates.setText('{}: {}'.format(self.locale_keys['manage_window.label.updates'], total_updates))
self.label_updates.setToolTip('{} {} | {} runtimes'.format(app_updates,
self.locale_keys['manage_window.checkbox.only_apps'].lower(),
runtime_updates))
else:
self.label_updates.setText('')
for app in self.apps:
if app['visible'] and app['update_checked']:
enable_bt_update = True
break
self.bt_upgrade.setEnabled(enable_bt_update)
self.tray_icon.notify_updates([app['model'] for app in self.apps if app['model']['update']])
def centralize(self):
geo = self.frameGeometry()
screen = QApplication.desktop().screenNumber(QApplication.desktop().cursor().pos())
center_point = QApplication.desktop().screenGeometry(screen).center()
geo.moveCenter(center_point)
self.move(geo.topLeft())
def update_apps(self, apps: List[dict]):
self._check_flatpak_installed()
self.apps = []
napps = 0 # number of apps (not runtimes)
if apps:
for app in apps:
app_model = {'model': app,
'update_checked': app['update'],
'visible': not app['runtime'] or not self.checkbox_only_apps.isChecked()}
napps += 1 if not app['runtime'] else 0
self.apps.append(app_model)
if napps == 0:
self.checkbox_only_apps.setChecked(False)
self.checkbox_only_apps.setCheckable(False)
else:
self.checkbox_only_apps.setCheckable(True)
self.checkbox_only_apps.setChecked(True)
self.table_apps.update_apps(self.apps)
self.change_update_state()
self.filter_only_apps(2 if self.checkbox_only_apps.isChecked() else 0)
self.resize_and_center()
def resize_and_center(self):
new_width = reduce(operator.add, [self.table_apps.columnWidth(i) for i in range(len(self.table_apps.column_names))]) * 1.05
self.resize(new_width, self.height())
self.centralize()
def update_selected(self):
if self._acquire_lock():
if self.apps:
to_update = [pak['model']['ref'] for pak in self.apps if pak['visible'] and pak['update_checked']]
if to_update:
self.textarea_output.clear()
self.textarea_output.setVisible(True)
self._begin_action(self.locale_keys['manage_window.status.upgrading'])
self.thread_update.refs_to_update = to_update
self.thread_update.start()
def _finish_update_selected(self):
self.finish_action()
self._release_lock()
self.refresh(clear_output=False)
def _update_action_output(self, output: str):
self.textarea_output.appendPlainText(output)
def _begin_action(self, action_label: str):
self.label_status.setText(action_label + "...")
self.toolbar_search.setVisible(False)
self.bt_upgrade.setEnabled(False)
self.bt_refresh.setEnabled(False)
self.checkbox_only_apps.setEnabled(False)
self.table_apps.setEnabled(False)
def finish_action(self, clear_search: bool = True):
self.bt_refresh.setEnabled(True)
self.toolbar_search.setVisible(True)
self.checkbox_only_apps.setEnabled(True)
self.table_apps.setEnabled(True)
self.input_search.setEnabled(True)
self.label_status.setText('')
if clear_search:
self.input_search.setText('')
def downgrade_app(self, app: dict):
self._check_flatpak_installed()
if self._acquire_lock():
pwd = None
if not is_root():
pwd, ok = ask_root_password(self.locale_keys)
if not ok:
self._release_lock()
return
self.textarea_output.clear()
self.textarea_output.setVisible(True)
self._begin_action(self.locale_keys['manage_window.status.downgrading'])
self.thread_downgrade.app = app
self.thread_downgrade.root_password = pwd
self.thread_downgrade.start()
def get_app_info(self, app: dict):
if self._acquire_lock():
self.textarea_output.clear()
self.textarea_output.setVisible(False)
self._begin_action(self.locale_keys['manage_window.status.info'])
self.thread_get_info.app = app
self.thread_get_info.start()
def get_app_history(self, app: dict):
if self._acquire_lock():
self.textarea_output.clear()
self.textarea_output.setVisible(False)
self._begin_action(self.locale_keys['manage_window.status.history'])
self.thread_get_history.app = app
self.thread_get_history.start()
def _finish_get_info(self, app_info: dict):
self._release_lock()
self.finish_action()
self.change_update_state()
dialog_info = InfoDialog(app_info, self.table_apps.get_selected_app_icon(), self.locale_keys)
dialog_info.exec_()
def _finish_get_history(self, app: dict):
self._release_lock()
self.finish_action()
self.change_update_state()
dialog_history = HistoryDialog(app, self.table_apps.get_selected_app_icon(), self.locale_keys)
dialog_history.exec_()
def search(self):
word = self.input_search.text().strip()
if word and self._acquire_lock():
self.textarea_output.clear()
self.textarea_output.setVisible(False)
self._begin_action(self.locale_keys['manage_window.status.searching'])
self.thread_search.word = word
self.thread_search.start()
def _finish_search(self, apps_found: List[dict]):
self._release_lock()
self.finish_action(clear_search=False)
self.update_apps(apps_found)
def install_app(self, app: dict):
self._check_flatpak_installed()
if self._acquire_lock():
self._begin_action(self.locale_keys['manage_window.status.installing'])
self._show_output()
self.thread_install.app = app
self.thread_install.start()
def _finish_install(self):
self.input_search.setText('')
self.finish_action()
self._release_lock()
self.refresh(clear_output=False)