Mercurial Repositories > eric / file comparison
comparison: WebBrowser/WebBrowserView.py
WebBrowser/WebBrowserView.py
- changeset 5785
- 7c7c5f9e4fad
- parent 5784
- 362bbcc49ac1
- child 5793
- 4ff73b969ab1
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| 5784:362bbcc49ac1 | 5785:7c7c5f9e4fad |
|---|---|
| 1902 ## Methods below implement session related functions | 1902 ## Methods below implement session related functions |
| 1903 ########################################################################### | 1903 ########################################################################### |
| 1904 | 1904 |
| 1905 def storeSessionData(self, data): | 1905 def storeSessionData(self, data): |
| 1906 """ | 1906 """ |
| 1907 | 1907 Public method to store session data to be restored later on. |
| 1908 | |
| 1909 @param data dictionary with session data to be restored | |
| 1910 @type dict | |
| 1908 """ | 1911 """ |
| 1909 self.__restoreData = data | 1912 self.__restoreData = data |
| 1910 | 1913 |
| 1911 def showEvent(self, evt): | 1914 def __showEventSlot(self): |
| 1912 """ | 1915 """ |
| 1913 | 1916 Private slot to perform actions when the view is shown and the event |
| 1917 loop is running. | |
| 1914 """ | 1918 """ |
| 1915 if self.__restoreData: | 1919 if self.__restoreData: |
| 1916 self.loadFromSessionData(self.__restoreData) | 1920 self.loadFromSessionData(self.__restoreData) |
| 1917 self.__restoreData = None | 1921 self.__restoreData = None |
| 1922 | |
| 1923 def showEvent(self, evt): | |
| 1924 """ | |
| 1925 Protected method to handle show events. | |
| 1926 | |
| 1927 @param evt reference to the show event object | |
| 1928 @type QShowEvent | |
| 1929 """ | |
| 1930 super(WebBrowserView, self).showEvent(evt) | |
| 1931 self.activateSession() | |
| 1932 | |
| 1933 def activateSession(self): | |
| 1934 """ | |
| 1935 Private slot to activate a restored session. | |
| 1936 """ | |
| 1937 if self.__restoreData: | |
| 1938 QTimer.singleShot(0, self.__showEventSlot) | |
| 1918 | 1939 |
| 1919 def getSessionData(self): | 1940 def getSessionData(self): |
| 1920 """ | 1941 """ |
| 1921 Public method to populate the session data. | 1942 Public method to populate the session data. |
| 1922 | 1943 |
| 1925 """ | 1946 """ |
| 1926 if self.__restoreData: | 1947 if self.__restoreData: |
| 1927 # page has not been shown yet | 1948 # page has not been shown yet |
| 1928 return self.__restoreData | 1949 return self.__restoreData |
| 1929 | 1950 |
| 1930 | |
| 1931 sessionData = {} | 1951 sessionData = {} |
| 1932 ## page = self.page() | 1952 page = self.page() |
| 1933 | 1953 |
| 1934 # 1. zoom factor | 1954 # 1. zoom factor |
| 1935 sessionData["ZoomFactor"] = self.__page.zoomFactor() | 1955 sessionData["ZoomFactor"] = page.zoomFactor() |
| 1936 | 1956 |
| 1937 # 2. scroll position | 1957 # 2. scroll position |
| 1938 scrollPos = self.__page.scrollPosition() | 1958 scrollPos = page.scrollPosition() |
| 1939 sessionData["ScrollPosition"] = { | 1959 sessionData["ScrollPosition"] = { |
| 1940 "x": scrollPos.x(), | 1960 "x": scrollPos.x(), |
| 1941 "y": scrollPos.y(), | 1961 "y": scrollPos.y(), |
| 1942 } | 1962 } |
| 1943 | 1963 |
| 1944 # 3. page history | 1964 # 3. page history |
| 1945 historyArray = QByteArray() | 1965 historyArray = QByteArray() |
| 1946 stream = QDataStream(historyArray, QIODevice.WriteOnly) | 1966 stream = QDataStream(historyArray, QIODevice.WriteOnly) |
| 1947 stream << self.__page.history() | 1967 stream << page.history() |
| 1948 sessionData["History"] = str( | 1968 sessionData["History"] = str( |
| 1949 historyArray.toBase64(QByteArray.Base64UrlEncoding), | 1969 historyArray.toBase64(QByteArray.Base64UrlEncoding), |
| 1950 encoding="ascii") | 1970 encoding="ascii") |
| 1951 sessionData["HistoryIndex"] = self.__page.history().currentItemIndex() | 1971 sessionData["HistoryIndex"] = page.history().currentItemIndex() |
| 1952 | 1972 |
| 1953 # 4. current URL and title | 1973 # 4. current URL and title |
| 1954 sessionData["Url"] = self.url().toString() | 1974 sessionData["Url"] = self.url().toString() |
| 1955 sessionData["Title"] = self.title() | 1975 sessionData["Title"] = self.title() |
| 1956 | 1976 |
| 1957 # 5. web icon | 1977 # 5. web icon |
| 1958 iconArray = QByteArray() | 1978 iconArray = QByteArray() |
| 1959 stream = QDataStream(iconArray, QIODevice.WriteOnly) | 1979 stream = QDataStream(iconArray, QIODevice.WriteOnly) |
| 1960 stream << self.__page.icon() | 1980 stream << page.icon() |
| 1961 sessionData["Icon"] = str(iconArray.toBase64(), encoding="ascii") | 1981 sessionData["Icon"] = str(iconArray.toBase64(), encoding="ascii") |
| 1962 | 1982 |
| 1963 return sessionData | 1983 return sessionData |
| 1964 | 1984 |
| 1965 def loadFromSessionData(self, sessionData): | 1985 def loadFromSessionData(self, sessionData): |
| 1968 | 1988 |
| 1969 @param sessionData dictionary containing the session data as | 1989 @param sessionData dictionary containing the session data as |
| 1970 generated by getSessionData() | 1990 generated by getSessionData() |
| 1971 @type dict | 1991 @type dict |
| 1972 """ | 1992 """ |
| 1973 ## page = self.page() | 1993 page = self.page() |
| 1994 # blank the page | |
| 1995 page.setUrl(QUrl("about:blank")) | |
| 1974 | 1996 |
| 1975 # 1. page history | 1997 # 1. page history |
| 1976 if "History" in sessionData: | 1998 if "History" in sessionData: |
| 1977 historyArray = QByteArray.fromBase64( | 1999 historyArray = QByteArray.fromBase64( |
| 1978 sessionData["History"].encode("ascii"), | 2000 sessionData["History"].encode("ascii"), |
| 1979 QByteArray.Base64UrlEncoding) | 2001 QByteArray.Base64UrlEncoding) |
| 1980 stream = QDataStream(historyArray, QIODevice.ReadOnly) | 2002 stream = QDataStream(historyArray, QIODevice.ReadOnly) |
| 1981 stream >> self.__page.history() | 2003 stream >> page.history() |
| 1982 | 2004 |
| 1983 if "HistoryIndex" in sessionData: | 2005 if "HistoryIndex" in sessionData: |
| 1984 item = self.__page.history().itemAt(sessionData["HistoryIndex"]) | 2006 item = page.history().itemAt(sessionData["HistoryIndex"]) |
| 1985 if item is not None: | 2007 if item is not None: |
| 1986 self.__page.history().goToItem(item) | 2008 page.history().goToItem(item) |
| 1987 | 2009 |
| 1988 # 2. zoom factor | 2010 # 2. zoom factor |
| 1989 if "ZoomFactor" in sessionData: | 2011 if "ZoomFactor" in sessionData: |
| 1990 self.__page.setZoomFactor(sessionData["ZoomFactor"]) | 2012 page.setZoomFactor(sessionData["ZoomFactor"]) |
| 1991 | 2013 |
| 1992 # 3. scroll position | 2014 # 3. scroll position |
| 1993 if "ScrollPosition" in sessionData: | 2015 if "ScrollPosition" in sessionData: |
| 1994 scrollPos = sessionData["ScrollPosition"] | 2016 scrollPos = sessionData["ScrollPosition"] |
| 1995 self.__page.scrollTo(QPointF(scrollPos["x"], scrollPos["y"])) | 2017 page.scrollTo(QPointF(scrollPos["x"], scrollPos["y"])) |
| 2018 | |
| 2019 def extractSessionMetaData(self, sessionData): | |
| 2020 """ | |
| 2021 Public method to extract some session meta data elements needed by the | |
| 2022 tab widget in case of deferred loading. | |
| 2023 | |
| 2024 @param sessionData dictionary containing the session data as | |
| 2025 generated by getSessionData() | |
| 2026 @type dict | |
| 2027 @return tuple containing the title, URL and web icon | |
| 2028 @rtype tuple of (str, str, QIcon) | |
| 2029 """ | |
| 2030 if "Title" in sessionData: | |
| 2031 title = sessionData["Title"] | |
| 2032 else: | |
| 2033 title = "" | |
| 2034 | |
| 2035 if "Url" in sessionData: | |
| 2036 urlStr = sessionData["Url"] | |
| 2037 else: | |
| 2038 urlStr = "" | |
| 2039 | |
| 2040 if "Icon" in sessionData: | |
| 2041 iconArray = QByteArray.fromBase64( | |
| 2042 sessionData["Icon"].encode("ascii")) | |
| 2043 stream = QDataStream(iconArray, QIODevice.ReadOnly) | |
| 2044 icon = QIcon() | |
| 2045 stream >> icon | |
| 2046 else: | |
| 2047 from .Tools import WebIconProvider | |
| 2048 icon = WebIconProvider.instance().iconForUrl( | |
| 2049 QUrl.fromUserInput(urlStr)) | |
| 2050 | |
| 2051 return title, urlStr, icon |
