def on_settingsButton_clicked(self):
self.settingsForm = SettingsFormMain()
self.settingsForm.show()
class MainWindowForm(QMainWindow):
startAnimationSignal = pyqtSignal()
stopAnimationSignal = pyqtSignal()
setStateDownloadButtonSignal = pyqtSignal(bool)
setStateAlreadyLabelSignal = pyqtSignal(bool)
setProgressBarValueSignal = pyqtSignal(int)
setStatusLabelTextSignal = pyqtSignal(unicode)
setPlayNowLabelTextSignal = pyqtSignal(unicode)
abortAndShowErrorSignal = pyqtSignal(unicode)
setUpdatePlayNowIntervalSignal = pyqtSignal(int)
updatePlayNowInterval = 15000
def __init__(self):
QMainWindow.__init__(self)
self.ui = Ui_MainForm()
self.ui.setupUi(self)
self.lastFMHandle = UserLastApi()
self.musicLibHandle = MusicLib()
self.singletonDownloader = SingletonDownload(self)
self.settings = QSettings()
self.settings.beginGroup('app')
self.lastFMUser = ''
self.current_track = {}
self.scrollLabelTimer = QTimer()
self.scrollLabelTimer.setInterval(50)
self.updatePlayNowTimer = QTimer()
self.updatePlayNowTimer.setInterval(self.updatePlayNowInterval)
self.loadingAnimGif = QMovie(":/animations/loading.gif")
self.loadingAnimGif.setScaledSize(QSize(24, 24))
self.startAnimationSignal.connect(self.start_animation)
self.stopAnimationSignal.connect(self.stop_animation)
self.setStateDownloadButtonSignal.connect(self.setStateDownloadButton)
self.setProgressBarValueSignal.connect(self.setProgressBarValue)
self.setStatusLabelTextSignal.connect(self.setStatusLabelText)
self.setStateAlreadyLabelSignal.connect(self.setStateAlreadyLabel)
self.setPlayNowLabelTextSignal.connect(self.setPlayNowLabelText)
self.abortAndShowErrorSignal.connect(self.abortAndShowError)
self.scrollLabelTimer.timeout.connect(self.on_timer_timeout)
self.updatePlayNowTimer.timeout.connect(self.mainthread_wrapper)
self.setUpdatePlayNowIntervalSignal.connect(self.setUpdatePlayNowInterval)
self.updatePlayNowTimer.timeout.emit()
self.updatePlayNowTimer.start()
QObject.installEventFilter(self, self)
@pyqtSlot()
def mainthread_wrapper(self):
self.thread = GenericThread(self.thread_func)
self.thread.start()
def thread_func(self):
self.startAnimationSignal.emit()
self.setStatusLabelTextSignal.emit(u' ')
self.setStateAlreadyLabelSignal.emit(False)
self.current_track = {}
self.setStateDownloadButtonSignal.emit(False)
self.check_current_lastfm_track()
def check_current_lastfm_track(self):
if not self.settings.contains('userLastFM/sessionkey'):
self.abortAndShowErrorSignal.emit(u'Не авторизован в Last.FM, проверьте настройки')
return
try:
if not self.lastFMUser:
session_key = unicode(self.settings.value('userLastFM/sessionkey').toString())
self.lastFMUser = self.lastFMHandle.auth(session_key)
except LastApiWSError:
self.abortAndShowErrorSignal.emit(u'Не удалось авторизоваться в Last.FM')
return
except LastApiNetworkError:
self.abortAndShowErrorSignal.emit(u'Не удалось установить соединение с сервером')
return
_current_track = self.lastFMHandle.get_playnow()
#print _current_track
if _current_track:
self.current_track = _current_track
song_title = self.current_track['artist'] + ' - ' + self.current_track['title']
self.stopAnimationSignal.emit()
self.setPlayNowLabelTextSignal.emit(song_title)
self.setUpdatePlayNowIntervalSignal.emit(self.updatePlayNowInterval)
if self.musicLibHandle.isTrackExists(self.current_track['artist'], self.current_track['title']):
self.setStateAlreadyLabelSignal.emit(True)
else:
self.setStateDownloadButtonSignal.emit(True)
else:
self.setUpdatePlayNowIntervalSignal.emit(self.updatePlayNowInterval / 4)
self.stopAnimationSignal.emit()
self.setStatusLabelTextSignal.emit(u'В данный момент нет проигрываемых треков')
@pyqtSlot(unicode)
def abortAndShowError(self, text):
self.stopAnimationSignal.emit()
self.current_track = {}
self.setStatusLabelTextSignal.emit(text)
@pyqtSlot()
def start_animation(self):
self.resetScrollArea()
self.ui.playNowLabel.setMovie(self.loadingAnimGif)
self.loadingAnimGif.start()
@pyqtSlot()
def stop_animation(self):
self.loadingAnimGif.stop()
self.loadingAnimGif.jumpToFrame(0)
self.setPlayNowLabelTextSignal.emit(u' ')
@pyqtSlot(unicode)
def setPlayNowLabelText(self, text):
self.ui.playNowLabel.setText(text)
_font = self.ui.playNowLabel.font()
_fm = QFontMetrics(_font)
_str_width = _fm.width(self.ui.playNowLabel.text())
scrollAreaWidth = self.ui.scrollArea.width()
if _str_width > scrollAreaWidth:
self.startScrollArea(_str_width + 10)
@pyqtSlot(unicode)
def setStatusLabelText(self, text):
self.ui.statusLabel.setText(text)
@pyqtSlot(int)
def setProgressBarValue(self, num):
self.ui.downloadProgressBar.setValue(num)
@pyqtSlot(bool)
def setStateDownloadButton(self, state):
self.ui.downloadButton.setEnabled(state)
@pyqtSlot(bool)
def setStateAlreadyLabel(self, state):
if state:
pixmap = QPixmap(':/icons/label/ok.png')
self.ui.alreadyLabel.setPixmap(pixmap.scaled(24, 24))
self.ui.alreadyLabel.setToolTip(u'Трек уже есть в музыкальной библиотеке')
else:
pixmap = QPixmap(':/icons/label/ok_off.png')
self.ui.alreadyLabel.setPixmap(pixmap.scaled(24, 24))
@pyqtSlot()
def on_settingsButton_clicked(self):
self.settingsForm = SettingsFormMain()
self.settingsForm.show()
@pyqtSlot()
def on_actionPreferences_triggered(self):
self.on_settingsButton_clicked()
@pyqtSlot()
def on_downloadButton_clicked(self):
self.setStateDownloadButtonSignal.emit(False)
self.singletonDownloader.start()
@pyqtSlot()
def on_exitButton_clicked(self):
confirm_exit = QMessageBox.question(self, u'Подтверждение завершения LastVK',
u"Вы действительно хотите завершить приложение LastVK?",
QMessageBox.Ok | QMessageBox.Cancel
)
if confirm_exit == QMessageBox.Ok:
qApp.quit()
@pyqtSlot()
def on_timer_timeout(self):
_value = self.ui.scrollArea.horizontalScrollBar().value()
if _value >= self.__maxscroll:
_value = -self.__scrollWidth
self.ui.scrollArea.horizontalScrollBar().setValue(_value + 3)
@pyqtSlot(int)
def setUpdatePlayNowInterval(self, interval):
self.updatePlayNowTimer.setInterval(interval)
def resetScrollArea(self):
self.scrollLabelTimer.stop()
_scrollWidth = self.ui.scrollArea.width()
self.ui.playNowLabel.setFixedWidth(_scrollWidth)
self.ui.playNowLabel.setAlignment(Qt.AlignHCenter)
self.ui.scrollArea.horizontalScrollBar().setValue(0)
def startScrollArea(self, width):
self.__scrollWidth = self.ui.scrollArea.width()
self.__maxscroll = width
self.ui.playNowLabel.setFixedWidth(width)
self.ui.scrollArea.horizontalScrollBar().setMinimum(-self.__scrollWidth)
self.ui.scrollArea.horizontalScrollBar().setMaximum(width)
self.scrollLabelTimer.start()
def eventFilter(self, obj, event):
if event.type() == QEvent.WindowDeactivate:
if QApplication.focusWidget() == self:
self.close()
return True
else:
return QObject.eventFilter(self, obj, event)
def closeEvent(self, event):
self.updatePlayNowTimer.stop()
self.scrollLabelTimer.stop()