main.py 文件源码

def __init__(self): 
        global downloads_list_file
        QMainWindow.__init__(self)
        self.setWindowIcon(QIcon(":/quartz.png")) 
        self.setWindowTitle("Quartz Browser - "+__version__)
        # Window Properties
        self.history = []
        self.downloads = []
        self.confirm_before_quit = True
        # Create required directories
        for folder in [configdir, icon_dir, thumbnails_dir]:
            if not os.path.exists(folder):
                os.mkdir(folder)
        # Import and Apply Settings
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.settings = QSettings(1, 0, "quartz-browser","Quartz", self)
        self.opensettings()
        self.websettings = QWebSettings.globalSettings()
        self.websettings.setAttribute(QWebSettings.DnsPrefetchEnabled, True)
        self.websettings.setMaximumPagesInCache(10)
        self.websettings.setIconDatabasePath(icon_dir)
        self.websettings.setAttribute(QWebSettings.JavascriptCanOpenWindows, True)
        self.websettings.setAttribute(QWebSettings.JavascriptCanCloseWindows, True)
        if webkit.enable_adblock:
            self.websettings.setUserStyleSheetUrl(QUrl.fromLocalFile(program_dir + 'userContent.css'))
        # Import Downloads and Bookmarks
        self.dwnldsmodel = DownloadsModel(self.downloads, QApplication.instance())
        self.dwnldsmodel.deleteDownloadsRequested.connect(self.deleteDownloads)
        imported_downloads = importDownloads(downloads_list_file)
        for [filepath, url, totalsize, timestamp] in imported_downloads:
            try :                                                  # Check if downloads.txt is valid
                tymstamp = float(timestamp)
            except :
                self.downloads = []
                exportDownloads(downloads_list_file, [])
                print("Error in importing Downloads.")
                break
            old_download = Download(networkmanager)
            old_download.loadDownload(filepath, url, totalsize, timestamp)
            old_download.datachanged.connect(self.dwnldsmodel.datachanged)
            self.downloads.append(old_download)
        self.bookmarks = importBookmarks(configdir+"bookmarks.txt")
        self.favourites = importFavourites(configdir + 'favourites.txt')
        # Find and set icon theme name
        for theme_name in ['Adwaita', 'Gnome', 'Tango']:
            if os.path.exists('/usr/share/icons/' + theme_name):
                QIcon.setThemeName(theme_name)
                break
        self.initUI()
        self.resize(1024,714)