Mercurial Repositories > eric / file comparison
comparison: eric7/WebBrowser/UserAgent/UserAgentMenu.py
eric7/WebBrowser/UserAgent/UserAgentMenu.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8218
- 7c09585bd960
- child 8318
- 962bce857696
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a menu to select the user agent string. | |
| 8 """ | |
| 9 | |
| 10 import os | |
| 11 import functools | |
| 12 | |
| 13 from PyQt5.QtCore import QXmlStreamReader, QFile, QIODevice | |
| 14 from PyQt5.QtWidgets import ( | |
| 15 QMenu, QAction, QActionGroup, QInputDialog, QLineEdit | |
| 16 ) | |
| 17 | |
| 18 from E5Gui import E5MessageBox | |
| 19 | |
| 20 | |
| 21 class UserAgentMenu(QMenu): | |
| 22 """ | |
| 23 Class implementing a menu to select the user agent string. | |
| 24 """ | |
| 25 def __init__(self, title, url=None, parent=None): | |
| 26 """ | |
| 27 Constructor | |
| 28 | |
| 29 @param title title of the menu (string) | |
| 30 @param url URL to set user agent for (QUrl) | |
| 31 @param parent reference to the parent widget (QWidget) | |
| 32 """ | |
| 33 super().__init__(title, parent) | |
| 34 | |
| 35 self.__manager = None | |
| 36 self.__url = url | |
| 37 if self.__url: | |
| 38 if self.__url.isValid(): | |
| 39 from WebBrowser.WebBrowserWindow import WebBrowserWindow | |
| 40 self.__manager = WebBrowserWindow.userAgentsManager() | |
| 41 else: | |
| 42 self.__url = None | |
| 43 | |
| 44 self.aboutToShow.connect(self.__populateMenu) | |
| 45 | |
| 46 def __populateMenu(self): | |
| 47 """ | |
| 48 Private slot to populate the menu. | |
| 49 """ | |
| 50 self.aboutToShow.disconnect(self.__populateMenu) | |
| 51 | |
| 52 self.__actionGroup = QActionGroup(self) | |
| 53 | |
| 54 # add default action | |
| 55 self.__defaultUserAgent = QAction(self) | |
| 56 self.__defaultUserAgent.setText(self.tr("Default")) | |
| 57 self.__defaultUserAgent.setCheckable(True) | |
| 58 self.__defaultUserAgent.triggered.connect( | |
| 59 self.__switchToDefaultUserAgent) | |
| 60 if self.__url: | |
| 61 self.__defaultUserAgent.setChecked( | |
| 62 self.__manager.userAgentForUrl(self.__url) == "") | |
| 63 else: | |
| 64 from WebBrowser.WebBrowserPage import WebBrowserPage | |
| 65 self.__defaultUserAgent.setChecked( | |
| 66 WebBrowserPage.userAgent() == "") | |
| 67 self.addAction(self.__defaultUserAgent) | |
| 68 self.__actionGroup.addAction(self.__defaultUserAgent) | |
| 69 isChecked = self.__defaultUserAgent.isChecked() | |
| 70 | |
| 71 # add default extra user agents | |
| 72 isChecked = self.__addDefaultActions() or isChecked | |
| 73 | |
| 74 # add other action | |
| 75 self.addSeparator() | |
| 76 self.__otherUserAgent = QAction(self) | |
| 77 self.__otherUserAgent.setText(self.tr("Other...")) | |
| 78 self.__otherUserAgent.setCheckable(True) | |
| 79 self.__otherUserAgent.triggered.connect( | |
| 80 self.__switchToOtherUserAgent) | |
| 81 self.addAction(self.__otherUserAgent) | |
| 82 self.__actionGroup.addAction(self.__otherUserAgent) | |
| 83 self.__otherUserAgent.setChecked(not isChecked) | |
| 84 | |
| 85 def __switchToDefaultUserAgent(self): | |
| 86 """ | |
| 87 Private slot to set the default user agent. | |
| 88 """ | |
| 89 if self.__url: | |
| 90 self.__manager.removeUserAgent(self.__url.host()) | |
| 91 else: | |
| 92 from WebBrowser.WebBrowserPage import WebBrowserPage | |
| 93 WebBrowserPage.setUserAgent("") | |
| 94 | |
| 95 def __switchToOtherUserAgent(self): | |
| 96 """ | |
| 97 Private slot to set a custom user agent string. | |
| 98 """ | |
| 99 from WebBrowser.WebBrowserPage import WebBrowserPage | |
| 100 userAgent, ok = QInputDialog.getText( | |
| 101 self, | |
| 102 self.tr("Custom user agent"), | |
| 103 self.tr("User agent:"), | |
| 104 QLineEdit.EchoMode.Normal, | |
| 105 WebBrowserPage.userAgent(resolveEmpty=True)) | |
| 106 if ok: | |
| 107 if self.__url: | |
| 108 self.__manager.setUserAgentForUrl(self.__url, userAgent) | |
| 109 else: | |
| 110 WebBrowserPage.setUserAgent(userAgent) | |
| 111 | |
| 112 def __changeUserAgent(self, act): | |
| 113 """ | |
| 114 Private slot to change the user agent. | |
| 115 | |
| 116 @param act reference to the action that triggered | |
| 117 @type QAction | |
| 118 """ | |
| 119 if self.__url: | |
| 120 self.__manager.setUserAgentForUrl(self.__url, act.data()) | |
| 121 else: | |
| 122 from WebBrowser.WebBrowserPage import WebBrowserPage | |
| 123 WebBrowserPage.setUserAgent(act.data()) | |
| 124 | |
| 125 def __addDefaultActions(self): | |
| 126 """ | |
| 127 Private slot to add the default user agent entries. | |
| 128 | |
| 129 @return flag indicating that a user agent entry is checked (boolean) | |
| 130 """ | |
| 131 defaultUserAgents = QFile(os.path.join( | |
| 132 os.path.dirname(__file__), "UserAgentDefaults.xml")) | |
| 133 defaultUserAgents.open(QIODevice.OpenModeFlag.ReadOnly) | |
| 134 | |
| 135 menuStack = [] | |
| 136 isChecked = False | |
| 137 | |
| 138 if self.__url: | |
| 139 currentUserAgentString = self.__manager.userAgentForUrl(self.__url) | |
| 140 else: | |
| 141 from WebBrowser.WebBrowserPage import WebBrowserPage | |
| 142 currentUserAgentString = WebBrowserPage.userAgent() | |
| 143 xml = QXmlStreamReader(defaultUserAgents) | |
| 144 while not xml.atEnd(): | |
| 145 xml.readNext() | |
| 146 if xml.isStartElement() and xml.name() == "separator": | |
| 147 if menuStack: | |
| 148 menuStack[-1].addSeparator() | |
| 149 else: | |
| 150 self.addSeparator() | |
| 151 continue | |
| 152 | |
| 153 if xml.isStartElement() and xml.name() == "useragent": | |
| 154 attributes = xml.attributes() | |
| 155 title = attributes.value("description") | |
| 156 userAgent = attributes.value("useragent") | |
| 157 | |
| 158 act = QAction(self) | |
| 159 act.setText(title) | |
| 160 act.setData(userAgent) | |
| 161 act.setToolTip(userAgent) | |
| 162 act.setCheckable(True) | |
| 163 act.setChecked(userAgent == currentUserAgentString) | |
| 164 act.triggered.connect( | |
| 165 functools.partial(self.__changeUserAgent, act)) | |
| 166 if menuStack: | |
| 167 menuStack[-1].addAction(act) | |
| 168 else: | |
| 169 self.addAction(act) | |
| 170 self.__actionGroup.addAction(act) | |
| 171 isChecked = isChecked or act.isChecked() | |
| 172 | |
| 173 if xml.isStartElement() and xml.name() == "useragentmenu": | |
| 174 attributes = xml.attributes() | |
| 175 title = attributes.value("title") | |
| 176 if title == "v_a_r_i_o_u_s": | |
| 177 title = self.tr("Various") | |
| 178 | |
| 179 menu = QMenu(self) | |
| 180 menu.setTitle(title) | |
| 181 self.addMenu(menu) | |
| 182 menuStack.append(menu) | |
| 183 | |
| 184 if xml.isEndElement() and xml.name() == "useragentmenu": | |
| 185 menuStack.pop() | |
| 186 | |
| 187 if xml.hasError(): | |
| 188 E5MessageBox.critical( | |
| 189 self, | |
| 190 self.tr("Parsing default user agents"), | |
| 191 self.tr( | |
| 192 """<p>Error parsing default user agents.</p><p>{0}</p>""") | |
| 193 .format(xml.errorString())) | |
| 194 | |
| 195 return isChecked |
