Python AutoSaver.changeOccurred方法代码示例

# 需要导入模块: from Utilities.AutoSaver import AutoSaver [as 别名]
# 或者: from Utilities.AutoSaver.AutoSaver import changeOccurred [as 别名]
class PasswordManager(QObject):
    """
    Class implementing the password manager.
    
    @signal changed() emitted to indicate a change
    @signal passwordsSaved() emitted after the passwords were saved
    """
    changed = pyqtSignal()
    passwordsSaved = pyqtSignal()
    
    SEPARATOR = "===================="
    FORMS = "=====FORMS====="
    NEVER = "=====NEVER====="
    
    def __init__(self, parent=None):
        """
        Constructor
        
        @param parent reference to the parent object (QObject)
        """
        super(PasswordManager, self).__init__(parent)
        
        self.__logins = {}
        self.__loginForms = {}
        self.__never = []
        self.__loaded = False
        self.__saveTimer = AutoSaver(self, self.save)
        
        self.changed.connect(self.__saveTimer.changeOccurred)
    
    def clear(self):
        """
        Public slot to clear the saved passwords.
        """
        if not self.__loaded:
            self.__load()
        
        self.__logins = {}
        self.__loginForms = {}
        self.__never = []
        self.__saveTimer.changeOccurred()
        self.__saveTimer.saveIfNeccessary()
        
        self.changed.emit()
    
    def getLogin(self, url, realm):
        """
        Public method to get the login credentials.
        
        @param url URL to get the credentials for (QUrl)
        @param realm realm to get the credentials for (string)
        @return tuple containing the user name (string) and password (string)
        """
        if not self.__loaded:
            self.__load()
        
        key = self.__createKey(url, realm)
        try:
            return self.__logins[key][0], Utilities.crypto.pwConvert(
                self.__logins[key][1], encode=False)
        except KeyError:
            return "", ""
    
    def setLogin(self, url, realm, username, password):
        """
        Public method to set the login credentials.
        
        @param url URL to set the credentials for (QUrl)
        @param realm realm to set the credentials for (string)
        @param username username for the login (string)
        @param password password for the login (string)
        """
        if not self.__loaded:
            self.__load()
        
        key = self.__createKey(url, realm)
        self.__logins[key] = (
            username,
            Utilities.crypto.pwConvert(password, encode=True)
        )
        self.changed.emit()
    
    def __createKey(self, url, realm):
        """
        Private method to create the key string for the login credentials.
        
        @param url URL to get the credentials for (QUrl)
        @param realm realm to get the credentials for (string)
        @return key string (string)
        """
        authority = url.authority()
        if authority.startswith("@"):
            authority = authority[1:]
        if realm:
            key = "{0}://{1} ({2})".format(
                url.scheme(), authority, realm)
        else:
            key = "{0}://{1}".format(url.scheme(), authority)
        return key
    
#.........这里部分代码省略.........

# 需要导入模块: from Utilities.AutoSaver import AutoSaver [as 别名]
# 或者: from Utilities.AutoSaver.AutoSaver import changeOccurred [as 别名]
class SpeedDial(QObject):
    """
    Class implementing the speed dial.
    
    @signal pagesChanged() emitted after the list of pages changed
    @signal speedDialSaved() emitted after the speed dial data was saved
    """
    pagesChanged = pyqtSignal()
    speedDialSaved = pyqtSignal()
    
    def __init__(self, parent=None):
        """
        Constructor
        
        @param parent reference to the parent object (QObject)
        """
        super(SpeedDial, self).__init__(parent)
        
        self.__regenerateScript = True
        
        self.__webPages = []
        self.__webFrames = []
        
        self.__initialScript = ""
        self.__thumbnailsDirectory = ""
        
        self.__thumbnailers = []
        
        self.__initialize()
        
        self.pagesChanged.connect(self.__pagesChanged)
        
        self.__saveTimer = AutoSaver(self, self.save)
        self.pagesChanged.connect(self.__saveTimer.changeOccurred)
    
    def addWebFrame(self, frame):
        """
        Public method to add a web frame.
        
        @param frame reference to the frame to be added (QWebFrame)
        """
        if frame not in self.__webFrames:
            self.__webFrames.append(frame)
    
    def addPage(self, url, title):
        """
        Public method to add a page for the given data.
        
        @param url URL of the page (QUrl)
        @param title title of the page (string)
        """
        if url.isEmpty():
            return
        
        from .Page import Page
        page = Page(url.toString(), title)
        self.__webPages.append(page)
        
        self.pagesChanged.emit()
    
    def removePage(self, url):
        """
        Public method to remove a page.
        
        @param url URL of the page (QUrl)
        """
        page = self.pageForUrl(url)
        if not page.url:
            return
        
        self.removeImageForUrl(page.url)
        self.__webPages.remove(page)
        
        self.pagesChanged.emit()
    
    def __imageFileName(self, url):
        """
        Private method to generate the image file name for a URL.
        
        @param url URL to generate the file name from (string)
        @return name of the image file (string)
        """
        return os.path.join(
            self.__thumbnailsDirectory,
            str(QCryptographicHash.hash(QByteArray(url.encode("utf-8")),
                QCryptographicHash.Md5).toHex(), encoding="utf-8") + ".png")
    
    def initialScript(self):
        """
        Public method to get the 'initial' JavaScript script.
        
        @return initial JavaScript script (string)
        """
        if self.__regenerateScript:
            self.__regenerateScript = False
            self.__initialScript = ""
            
            for page in self.__webPages:
                if page.broken:
                    imgSource = "qrc:icons/brokenPage.png"
#.........这里部分代码省略.........

# 需要导入模块: from Utilities.AutoSaver import AutoSaver [as 别名]
# 或者: from Utilities.AutoSaver.AutoSaver import changeOccurred [as 别名]
class DownloadManager(QDialog, Ui_DownloadManager):
    """
    Class implementing the download manager.
    """
    RemoveNever = 0
    RemoveExit = 1
    RemoveSuccessFullDownload = 2
    
    def __init__(self, parent=None):
        """
        Constructor
        
        @param parent reference to the parent widget (QWidget)
        """
        super(DownloadManager, self).__init__(parent)
        self.setupUi(self)
        
        self.__saveTimer = AutoSaver(self, self.save)
        
        self.__model = DownloadModel(self)
        self.__manager = Helpviewer.HelpWindow.HelpWindow\
            .networkAccessManager()
        
        self.__iconProvider = None
        self.__downloads = []
        self.__downloadDirectory = ""
        self.__loaded = False
        
        self.setDownloadDirectory(Preferences.getUI("DownloadPath"))
        
        self.downloadsView.setShowGrid(False)
        self.downloadsView.verticalHeader().hide()
        self.downloadsView.horizontalHeader().hide()
        self.downloadsView.setAlternatingRowColors(True)
        self.downloadsView.horizontalHeader().setStretchLastSection(True)
        self.downloadsView.setModel(self.__model)
        self.downloadsView.setContextMenuPolicy(Qt.CustomContextMenu)
        self.downloadsView.customContextMenuRequested.connect(
            self.__customContextMenuRequested)
        
        self.__load()
    
    def __customContextMenuRequested(self, pos):
        """
        Private slot to handle the context menu request for the bookmarks tree.
        
        @param pos position the context menu was requested (QPoint)
        """
        menu = QMenu()
        
        selectedRowsCount = len(
            self.downloadsView.selectionModel().selectedRows())
        
        if selectedRowsCount == 1:
            row = self.downloadsView.selectionModel().selectedRows()[0].row()
            itm = self.__downloads[row]
            if itm.downloadCanceled():
                menu.addAction(
                    UI.PixmapCache.getIcon("restart.png"),
                    self.tr("Retry"), self.__contextMenuRetry)
            else:
                if itm.downloadedSuccessfully():
                    menu.addAction(
                        UI.PixmapCache.getIcon("open.png"),
                        self.tr("Open"), self.__contextMenuOpen)
                elif itm.downloading():
                    menu.addAction(
                        UI.PixmapCache.getIcon("stopLoading.png"),
                        self.tr("Cancel"), self.__contextMenuCancel)
                    menu.addSeparator()
                menu.addAction(
                    self.tr("Open Containing Folder"),
                    self.__contextMenuOpenFolder)
            menu.addSeparator()
            menu.addAction(
                self.tr("Go to Download Page"),
                self.__contextMenuGotoPage)
            menu.addAction(
                self.tr("Copy Download Link"),
                self.__contextMenuCopyLink)
            menu.addSeparator()
        menu.addAction(self.tr("Select All"), self.__contextMenuSelectAll)
        if selectedRowsCount > 1 or \
           (selectedRowsCount == 1 and
            not self.__downloads[
                self.downloadsView.selectionModel().selectedRows()[0].row()]
                .downloading()):
            menu.addSeparator()
            menu.addAction(
                self.tr("Remove From List"),
                self.__contextMenuRemoveSelected)
        
        menu.exec_(QCursor.pos())
    
    def shutdown(self):
        """
        Public method to stop the download manager.
        """
        self.__saveTimer.changeOccurred()
        self.__saveTimer.saveIfNeccessary()
#.........这里部分代码省略.........

# 需要导入模块: from Utilities.AutoSaver import AutoSaver [as 别名]
# 或者: from Utilities.AutoSaver.AutoSaver import changeOccurred [as 别名]
class CookieJar(QNetworkCookieJar):
    """
    Class implementing a QNetworkCookieJar subclass with various accept policies.
    
    @signal cookiesChanged() emitted after the cookies have been changed
    """
    JAR_VERSION = 23
    
    AcceptAlways                    = 0
    AcceptNever                     = 1
    AcceptOnlyFromSitesNavigatedTo  = 2

    KeepUntilExpire     = 0
    KeepUntilExit       = 1
    KeepUntilTimeLimit  = 2
    
    Allow           = 0
    Block           = 1
    AllowForSession = 2
    
    def __init__(self, parent = None):
        """
        Constructor
        
        @param parent reference to the parent object (QObject)
        """
        QNetworkCookieJar.__init__(self, parent)
        
        self.__loaded = False
        self.__acceptCookies = self.AcceptOnlyFromSitesNavigatedTo
        self.__saveTimer = AutoSaver(self, self.save)
        
        self.__cookiesFile = os.path.join(Utilities.getConfigDir(), 
                                          "browser", "cookies.ini")
    
    def saveCookies(self, cookiesList):
        """
        Public method to save the cookies.
        
        @param cookiesList list of cookies to be saved
        @return saved cookies as a byte array (QByteArray)
        """
        data = QByteArray()
        stream = QDataStream(data, QIODevice.WriteOnly)
        stream.writeUInt16(self.JAR_VERSION)
        stream.writeUInt32(len(cookiesList))
        for cookie in cookiesList:
            stream << cookie.toRawForm()
        
        return data
    
    def loadCookies(self, cookies):
        """
        Public method to restore the saved cookies.
        
        @param cookies byte array containing the saved cookies (QByteArray)
        @return list of cookies
        """
        if cookies.isEmpty():
            return []
        
        cookiesList = []
        data = QByteArray(cookies)
        stream = QDataStream(data, QIODevice.ReadOnly)
        
        version = stream.readUInt16()
        if version != self.JAR_VERSION:
            return []
        
        noCookies = stream.readUInt32()
        
        rawCookie = QByteArray()
        while not stream.atEnd():
            stream >> rawCookie
            newCookies = QNetworkCookie.parseCookies(rawCookie)
            for newCookie in newCookies:
                cookiesList.append(newCookie)
        
        return cookiesList
    
    def close(self):
        """
        Public slot to close the cookie jar.
        """
        if self.__loaded and self.__keepCookies == self.KeepUntilExit:
            self.clear()
        self.__saveTimer.saveIfNeccessary()
    
    def clear(self):
        """
        Public method to clear all cookies.
        """
        if not self.__loaded:
            self.load()
        
        self.setAllCookies([])
        self.__saveTimer.changeOccurred()
        self.emit(SIGNAL("cookiesChanged()"))
    
    def load(self):
#.........这里部分代码省略.........

# 需要导入模块: from Utilities.AutoSaver import AutoSaver [as 别名]
# 或者: from Utilities.AutoSaver.AutoSaver import changeOccurred [as 别名]
class HistoryManager(QWebHistoryInterface):
    """
    Class implementing the history manager.
    
    @signal historyCleared() emitted after the history has been cleared
    @signal historyReset() emitted after the history has been reset
    @signal entryAdded(HistoryEntry) emitted after a history entry has been
        added
    @signal entryRemoved(HistoryEntry) emitted after a history entry has been
        removed
    @signal entryUpdated(int) emitted after a history entry has been updated
    @signal historySaved() emitted after the history was saved
    """

    historyCleared = pyqtSignal()
    historyReset = pyqtSignal()
    entryAdded = pyqtSignal(HistoryEntry)
    entryRemoved = pyqtSignal(HistoryEntry)
    entryUpdated = pyqtSignal(int)
    historySaved = pyqtSignal()

    def __init__(self, parent=None):
        """
        Constructor
        
        @param parent reference to the parent object (QObject)
        """
        super(HistoryManager, self).__init__(parent)

        self.__saveTimer = AutoSaver(self, self.save)
        self.__daysToExpire = Preferences.getHelp("HistoryLimit")
        self.__history = []
        self.__lastSavedUrl = ""

        self.__expiredTimer = QTimer(self)
        self.__expiredTimer.setSingleShot(True)
        self.__expiredTimer.timeout.connect(self.__checkForExpired)

        self.__frequencyTimer = QTimer(self)
        self.__frequencyTimer.setSingleShot(True)
        self.__frequencyTimer.timeout.connect(self.__refreshFrequencies)

        self.entryAdded.connect(self.__saveTimer.changeOccurred)
        self.entryRemoved.connect(self.__saveTimer.changeOccurred)

        self.__load()

        from .HistoryModel import HistoryModel
        from .HistoryFilterModel import HistoryFilterModel
        from .HistoryTreeModel import HistoryTreeModel

        self.__historyModel = HistoryModel(self, self)
        self.__historyFilterModel = HistoryFilterModel(self.__historyModel, self)
        self.__historyTreeModel = HistoryTreeModel(self.__historyFilterModel, self)

        super(HistoryManager, self).setDefaultInterface(self)
        self.__startFrequencyTimer()

    def close(self):
        """
        Public method to close the history manager.
        """
        # remove history items on application exit
        if self.__daysToExpire == -2:
            self.clear()
        self.__saveTimer.saveIfNeccessary()

    def history(self):
        """
        Public method to return the history.
        
        @return reference to the list of history entries (list of HistoryEntry)
        """
        return self.__history[:]

    def setHistory(self, history, loadedAndSorted=False):
        """
        Public method to set a new history.
        
        @param history reference to the list of history entries to be set
            (list of HistoryEntry)
        @param loadedAndSorted flag indicating that the list is sorted
            (boolean)
        """
        self.__history = history[:]
        if not loadedAndSorted:
            self.__history.sort()

        self.__checkForExpired()

        if loadedAndSorted:
            try:
                self.__lastSavedUrl = self.__history[0].url
            except IndexError:
                self.__lastSavedUrl = ""
        else:
            self.__lastSavedUrl = ""
            self.__saveTimer.changeOccurred()
        self.historyReset.emit()

#.........这里部分代码省略.........

# 需要导入模块: from Utilities.AutoSaver import AutoSaver [as 别名]
# 或者: from Utilities.AutoSaver.AutoSaver import changeOccurred [as 别名]
class BookmarksManager(QObject):
    """
    Class implementing the bookmarks manager.
    
    @signal entryAdded(BookmarkNode) emitted after a bookmark node has been
        added
    @signal entryRemoved(BookmarkNode, int, BookmarkNode) emitted after a
        bookmark node has been removed
    @signal entryChanged(BookmarkNode) emitted after a bookmark node has been
        changed
    @signal bookmarksSaved() emitted after the bookmarks were saved
    @signal bookmarksReloaded() emitted after the bookmarks were reloaded
    """
    entryAdded = pyqtSignal(BookmarkNode)
    entryRemoved = pyqtSignal(BookmarkNode, int, BookmarkNode)
    entryChanged = pyqtSignal(BookmarkNode)
    bookmarksSaved = pyqtSignal()
    bookmarksReloaded = pyqtSignal()
    
    def __init__(self, parent=None):
        """
        Constructor
        
        @param parent reference to the parent object (QObject)
        """
        super(BookmarksManager, self).__init__(parent)
        
        self.__saveTimer = AutoSaver(self, self.save)
        self.entryAdded.connect(self.__saveTimer.changeOccurred)
        self.entryRemoved.connect(self.__saveTimer.changeOccurred)
        self.entryChanged.connect(self.__saveTimer.changeOccurred)
        
        self.__initialize()
    
    def __initialize(self):
        """
        Private method to initialize some data.
        """
        self.__loaded = False
        self.__bookmarkRootNode = None
        self.__toolbar = None
        self.__menu = None
        self.__bookmarksModel = None
        self.__commands = QUndoStack()
    
    @classmethod
    def getFileName(cls):
        """
        Class method to get the file name of the bookmark file.
        
        @return name of the bookmark file (string)
        """
        return os.path.join(Utilities.getConfigDir(), "browser",
                            "bookmarks.xbel")
    
    def close(self):
        """
        Public method to close the bookmark manager.
        """
        self.__saveTimer.saveIfNeccessary()
    
    def undoRedoStack(self):
        """
        Public method to get a reference to the undo stack.
        
        @return reference to the undo stack (QUndoStack)
        """
        return self.__commands
    
    def changeExpanded(self):
        """
        Public method to handle a change of the expanded state.
        """
        self.__saveTimer.changeOccurred()
    
    def reload(self):
        """
        Public method used to initiate a reloading of the bookmarks.
        """
        self.__initialize()
        self.load()
        self.bookmarksReloaded.emit()
    
    def load(self):
        """
        Public method to load the bookmarks.
        
        @exception RuntimeError raised to indicate an error loading the
            bookmarks
        """
        if self.__loaded:
            return
        
        self.__loaded = True
        
        bookmarkFile = self.getFileName()
        if not QFile.exists(bookmarkFile):
            from . import DefaultBookmarks_rc       # __IGNORE_WARNING__
            bookmarkFile = QFile(":/DefaultBookmarks.xbel")
            bookmarkFile.open(QIODevice.ReadOnly)
#.........这里部分代码省略.........

# 需要导入模块: from Utilities.AutoSaver import AutoSaver [as 别名]
# 或者: from Utilities.AutoSaver.AutoSaver import changeOccurred [as 别名]
class PasswordManager(QObject):
    """
    Class implementing the password manager.
    
    @signal changed() emitted to indicate a change
    """
    SEPARATOR = "===================="
    FORMS = "=====FORMS====="
    NEVER = "=====NEVER====="
    
    def __init__(self, parent = None):
        """
        Constructor
        
        @param parent reference to the parent object (QObject)
        """
        QObject.__init__(self, parent)
        
        self.__logins = {}
        self.__loginForms = {}
        self.__never = []
        self.__loaded = False
        self.__saveTimer = AutoSaver(self, self.save)
        
        self.connect(self, SIGNAL("changed()"), self.__saveTimer.changeOccurred)
    
    def clear(self):
        """
        Public slot to clear the saved passwords.
        """
        if not self.__loaded:
            self.__load()
        
        self.__logins = {}
        self.__loginForms = {}
        self.__never = []
        self.__saveTimer.changeOccurred()
        self.__saveTimer.saveIfNeccessary()
        
        self.emit(SIGNAL("changed()"))
    
    def getLogin(self, url, realm):
        """
        Public method to get the login credentials.
        
        @param url URL to get the credentials for (QUrl)
        @param realm realm to get the credentials for (string or QString)
        @return tuple containing the user name (string) and password (string)
        """
        if not self.__loaded:
            self.__load()
        
        key = self.__createKey(url, realm)
        try:
            return self.__logins[key][0], Utilities.pwDecode(self.__logins[key][1])
        except KeyError:
            return "", ""
    
    def setLogin(self, url, realm, username, password):
        """
        Public method to set the login credentials.
        
        @param url URL to set the credentials for (QUrl)
        @param realm realm to set the credentials for (string or QString)
        @param username username for the login (string or QString)
        @param password password for the login (string or QString)
        """
        if not self.__loaded:
            self.__load()
        
        key = self.__createKey(url, realm)
        self.__logins[key] = (unicode(username), Utilities.pwEncode(password))
        self.emit(SIGNAL("changed()"))
    
    def __createKey(self, url, realm):
        """
        Private method to create the key string for the login credentials.
        
        @param url URL to get the credentials for (QUrl)
        @param realm realm to get the credentials for (string or QString)
        @return key string (string)
        """
        realm = unicode(realm)
        if realm:
            key = "%s://%s (%s)" % (url.scheme(), url.authority(), realm)
        else:
            key = "%s://%s" % (url.scheme(), url.authority())
        return key
    
    def save(self):
        """
        Public slot to save the login entries to disk.
        """
        if not self.__loaded:
            return
        
        loginFile = os.path.join(Utilities.getConfigDir(), "browser", "logins")
        try:
            f = open(loginFile, "w")
            for key, login in self.__logins.items():
#.........这里部分代码省略.........

# 需要导入模块: from Utilities.AutoSaver import AutoSaver [as 别名]
# 或者: from Utilities.AutoSaver.AutoSaver import changeOccurred [as 别名]

#.........这里部分代码省略.........
        @param completed flag indicating completion status (boolean)
        @param _time creation time of the task (float, if 0 use current time)
        @param isProjectTask flag indicating a task related to the current
            project (boolean)
        @param taskType type of the task (one of Task.TypeFixme, Task.TypeTodo,
            Task.TypeWarning, Task.TypeNote)
        @param description explanatory text of the task (string)
        @param uid unique id of the task (string)
        @param parentTask reference to the parent task item (Task)
        @return reference to the task item (Task)
        """
        if parentTask:
            parentUid = parentTask.getUuid()
        else:
            parentUid = ""
        task = Task(summary, priority, filename, lineno, completed,
                    _time, isProjectTask, taskType,
                    self.project, description, uid, parentUid)
        self.tasks.append(task)
        if parentTask:
            parentTask.addChild(task)
            parentTask.setExpanded(True)
        elif filename:
            self.__extractedItem.addChild(task)
        else:
            self.__manualItem.addChild(task)
        task.setHidden(not self.taskFilter.showTask(task))
        
        self.__checkTopLevelItems()
        self.__resort()
        self.__resizeColumns()
        
        if isProjectTask:
            self.__projectTasksSaveTimer.changeOccurred()
        
        return task
    
    def addFileTask(self, summary, filename, lineno, taskType=Task.TypeTodo,
                    description=""):
        """
        Public slot to add a file related task.
        
        @param summary summary text of the task (string)
        @param filename filename containing the task (string)
        @param lineno line number containing the task (integer)
        @param taskType type of the task (one of Task.TypeFixme, Task.TypeTodo,
            Task.TypeWarning, Task.TypeNote)
        @param description explanatory text of the task (string)
        """
        self.addTask(summary, filename=filename, lineno=lineno,
                     isProjectTask=(
                         self.project and
                         self.project.isProjectSource(filename)),
                     taskType=taskType, description=description)
    
    def getProjectTasks(self):
        """
        Public method to retrieve all project related tasks.
        
        @return copy of tasks (list of Task)
        """
        tasks = [task for task in self.tasks if task.isProjectTask()]
        return tasks[:]
    
    def getGlobalTasks(self):
        """

# 需要导入模块: from Utilities.AutoSaver import AutoSaver [as 别名]
# 或者: from Utilities.AutoSaver.AutoSaver import changeOccurred [as 别名]
class BookmarksManager(QObject):
    """
    Class implementing the bookmarks manager.
    
    @signal entryAdded emitted after a bookmark node has been added
    @signal entryRemoved emitted after a bookmark
        node has been removed
    @signal entryChanged emitted after a bookmark node has been changed
    """
    def __init__(self, parent = None):
        """
        Constructor
        
        @param parent reference to the parent object (QObject)
        """
        QObject.__init__(self, parent)
        
        self.__loaded = False
        self.__saveTimer = AutoSaver(self, self.save)
        self.__bookmarkRootNode = None
        self.__toolbar = None
        self.__menu = None
        self.__bookmarksModel = None
        self.__commands = QUndoStack()
        
        self.connect(self, SIGNAL("entryAdded"), 
                     self.__saveTimer.changeOccurred)
        self.connect(self, SIGNAL("entryRemoved"), 
                     self.__saveTimer.changeOccurred)
        self.connect(self, SIGNAL("entryChanged"), 
                     self.__saveTimer.changeOccurred)
    
    def close(self):
        """
        Public method to close the bookmark manager.
        """
        self.__saveTimer.saveIfNeccessary()
    
    def undoRedoStack(self):
        """
        Public method to get a reference to the undo stack.
        
        @return reference to the undo stack (QUndoStack)
        """
        return self.__commands
    
    def changeExpanded(self):
        """
        Public method to handle a change of the expanded state.
        """
        self.__saveTimer.changeOccurred()
    
    def load(self):
        """
        Public method to load the bookmarks.
        """
        if self.__loaded:
            return
        
        self.__loaded = True
        
        bookmarkFile = os.path.join(Utilities.getConfigDir(), "browser", "bookmarks.xbel")
        if not QFile.exists(bookmarkFile):
            ba = QByteArray(DefaultBookmarks)
            bookmarkFile = QBuffer(ba)
            bookmarkFile.open(QIODevice.ReadOnly)
        
        reader = XbelReader()
        self.__bookmarkRootNode = reader.read(bookmarkFile)
        if reader.error() != QXmlStreamReader.NoError:
            KQMessageBox.warning(None,
                self.trUtf8("Loading Bookmarks"),
                self.trUtf8("""Error when loading bookmarks on line %1, column %2:\n"""
                            """%3""")\
                    .arg(reader.lineNumber())\
                    .arg(reader.columnNumber())\
                    .arg(reader.errorString()))
        
        others = []
        for index in range(len(self.__bookmarkRootNode.children()) - 1, -1, -1):
            node = self.__bookmarkRootNode.children()[index]
            if node.type() == BookmarkNode.Folder:
                if (node.title == self.trUtf8("Toolbar Bookmarks") or \
                    node.title == BOOKMARKBAR) and \
                   self.__toolbar is None:
                    node.title = self.trUtf8(BOOKMARKBAR)
                    self.__toolbar = node
                
                if (node.title == self.trUtf8("Menu") or \
                    node.title == BOOKMARKMENU) and \
                   self.__menu is None:
                    node.title = self.trUtf8(BOOKMARKMENU)
                    self.__menu = node
            else:
                others.append(node)
            self.__bookmarkRootNode.remove(node)
            
        if len(self.__bookmarkRootNode.children()) > 0:
            raise RuntimeError("Error loading bookmarks.")
        
#.........这里部分代码省略.........

# 需要导入模块: from Utilities.AutoSaver import AutoSaver [as 别名]
# 或者: from Utilities.AutoSaver.AutoSaver import changeOccurred [as 别名]
class HistoryManager(QWebHistoryInterface):
    """
    Class implementing the history manager.
    
    @signal historyCleared() emitted after the history has been cleared
    @signal historyReset() emitted after the history has been reset
    @signal entryAdded emitted after a history entry has been added
    @signal entryRemoved emitted after a history entry has been removed
    @signal entryUpdated(int) emitted after a history entry has been updated
    """
    def __init__(self, parent = None):
        """
        Constructor
        
        @param parent reference to the parent object (QObject)
        """
        QWebHistoryInterface.__init__(self, parent)
        
        self.__saveTimer = AutoSaver(self, self.save)
        self.__daysToExpire = Preferences.getHelp("HistoryLimit")
        self.__history = []
        self.__lastSavedUrl = QString()
        
        self.__expiredTimer = QTimer()
        self.__expiredTimer.setSingleShot(True)
        self.connect(self.__expiredTimer, SIGNAL("timeout()"), 
                     self.__checkForExpired)
        
        self.__frequencyTimer = QTimer()
        self.__frequencyTimer.setSingleShot(True)
        self.connect(self.__frequencyTimer, SIGNAL("timeout()"), 
                     self.__refreshFrequencies)
        
        self.connect(self, SIGNAL("entryAdded"), 
                     self.__saveTimer.changeOccurred)
        self.connect(self, SIGNAL("entryRemoved"), 
                     self.__saveTimer.changeOccurred)
        
        self.__load()
        
        self.__historyModel = HistoryModel(self, self)
        self.__historyFilterModel = HistoryFilterModel(self.__historyModel, self)
        self.__historyTreeModel = HistoryTreeModel(self.__historyFilterModel, self)
        
        QWebHistoryInterface.setDefaultInterface(self)
        self.__startFrequencyTimer()
    
    def close(self):
        """
        Public method to close the history manager.
        """
        # remove history items on application exit
        if self.__daysToExpire == -2:
            self.clear()
        self.__saveTimer.saveIfNeccessary()
    
    def history(self):
        """
        Public method to return the history.
        
        @return reference to the list of history entries (list of HistoryEntry)
        """
        return self.__history[:]
    
    def setHistory(self, history, loadedAndSorted = False):
        """
        Public method to set a new history.
        
        @param history reference to the list of history entries to be set
            (list of HistoryEntry)
        @param loadedAndSorted flag indicating that the list is sorted (boolean)
        """
        self.__history = history[:]
        if not loadedAndSorted:
            self.__history.sort()
        
        self.__checkForExpired()
        
        if loadedAndSorted:
            try:
                self.__lastSavedUrl = QString(self.__history[0].url)
            except IndexError:
                self.__lastSavedUrl = QString()
        else:
            self.__lastSavedUrl.clear()
            self.__saveTimer.changeOccurred()
        self.emit(SIGNAL("historyReset()"))
    
    def historyContains(self, url):
        """
        Public method to check the history for an entry.
        
        @param url URL to check for (QString)
        @return flag indicating success (boolean)
        """
        return self.__historyFilterModel.historyContains(url)
    
    def _addHistoryEntry(self, itm):
        """
        Protected method to add a history item.
#.........这里部分代码省略.........