eric6/WebBrowser/GreaseMonkey/GreaseMonkeyManager.py

Wed, 01 Jan 2020 11:57:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 01 Jan 2020 11:57:23 +0100
changeset 7360
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parent 7268
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child 7759
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permissions
-rw-r--r--

Updated copyright for 2020.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2012 - 2020 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing the manager for GreaseMonkey scripts.
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8 """
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9
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10
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11 import os
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12
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13 from PyQt5.QtCore import (
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14 pyqtSignal, pyqtSlot, Qt, QObject, QTimer, QFile, QFileInfo, QDir,
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15 QSettings, QMetaObject, QUrl, Q_ARG, QCoreApplication
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16 )
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17 from PyQt5.QtWidgets import QDialog
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18
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19 from E5Gui import E5MessageBox
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20
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21 import Utilities
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22 import Preferences
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23
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24 from WebBrowser.WebBrowserWindow import WebBrowserWindow
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25 from WebBrowser.JavaScript.ExternalJsObject import ExternalJsObject
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26
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27 from .GreaseMonkeyJsObject import GreaseMonkeyJsObject
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28
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29
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30 class GreaseMonkeyManager(QObject):
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31 """
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32 Class implementing the manager for GreaseMonkey scripts.
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33
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34 @signal scriptsChanged() emitted to indicate a change of scripts
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35 """
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36 scriptsChanged = pyqtSignal()
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37
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38 def __init__(self, parent=None):
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39 """
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40 Constructor
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41
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42 @param parent reference to the parent object (QObject)
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43 """
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44 super(GreaseMonkeyManager, self).__init__(parent)
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45
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46 self.__disabledScripts = []
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47 self.__scripts = []
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48 self.__downloaders = []
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49
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50 self.__jsObject = GreaseMonkeyJsObject(self)
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51
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52 QTimer.singleShot(0, self.__load)
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53
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54 def showConfigurationDialog(self, parent=None):
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55 """
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56 Public method to show the configuration dialog.
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57
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58 @param parent reference to the parent widget (QWidget)
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59 """
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60 from .GreaseMonkeyConfiguration import GreaseMonkeyConfigurationDialog
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61 self.__configDiaolg = (
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62 GreaseMonkeyConfigurationDialog.GreaseMonkeyConfigurationDialog(
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63 self, parent)
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64 )
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65 self.__configDiaolg.show()
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66
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67 def downloadScript(self, url):
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68 """
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69 Public method to download a GreaseMonkey script.
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70
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71 @param url URL to download script from
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72 @type QUrl
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73 """
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74 QMetaObject.invokeMethod(
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75 self, "doDownloadScript", Qt.QueuedConnection,
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76 Q_ARG(QUrl, url))
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77
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78 @pyqtSlot(QUrl)
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79 def doDownloadScript(self, url):
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80 """
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81 Public slot to download a GreaseMonkey script.
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82
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83 Note: The download needed to be separated in the invoking part
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84 (s.a.) and the one doing the real download because the invoking
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85 part runs in a different thread (i.e. the web engine thread).
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86
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87 @param url URL to download script from
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88 @type QUrl
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89 """
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90 from .GreaseMonkeyDownloader import GreaseMonkeyDownloader
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91 downloader = GreaseMonkeyDownloader(
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92 url, self, GreaseMonkeyDownloader.DownloadMainScript)
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93 downloader.finished.connect(
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94 lambda f: self.__downloaderFinished(f, downloader))
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95 self.__downloaders.append(downloader)
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96
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97 def __downloaderFinished(self, fileName, downloader):
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98 """
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99 Private slot to handle the completion of a script download.
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100
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101 @param fileName name of the downloaded script
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102 @type str
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103 @param downloader reference to the downloader object
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104 @type GreaseMonkeyDownloader
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105 """
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106 if downloader in self.__downloaders:
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107 self.__downloaders.remove(downloader)
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108
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109 deleteScript = True
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110 from .GreaseMonkeyScript import GreaseMonkeyScript
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111 script = GreaseMonkeyScript(self, fileName)
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112 if script.isValid():
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113 if not self.containsScript(script.fullName()):
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114 from .GreaseMonkeyAddScriptDialog import (
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115 GreaseMonkeyAddScriptDialog
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116 )
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117 dlg = GreaseMonkeyAddScriptDialog(self, script)
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118 deleteScript = dlg.exec_() != QDialog.Accepted
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119 else:
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120 E5MessageBox.information(
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121 None,
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122 QCoreApplication.translate(
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123 "GreaseMonkeyManager",
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124 "Install GreaseMonkey Script"),
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125 QCoreApplication.translate(
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126 "GreaseMonkeyManager",
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127 """'{0}' is already installed.""").format(
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128 script.fullName())
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129 )
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130
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131 if deleteScript:
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132 try:
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133 os.remove(fileName)
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134 except (IOError, OSError):
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135 # ignore
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136 pass
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137
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138 def scriptsDirectory(self):
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139 """
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140 Public method to get the path of the scripts directory.
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141
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142 @return path of the scripts directory (string)
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143 """
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144 return os.path.join(
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145 Utilities.getConfigDir(), "web_browser", "greasemonkey")
1953
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146
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147 def requireScriptsDirectory(self):
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148 """
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parents:
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149 Public method to get the path of the scripts directory.
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150
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151 @return path of the scripts directory (string)
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152 """
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153 return os.path.join(self.scriptsDirectory(), "requires")
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154
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155 def requireScripts(self, urlList):
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156 """
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parents:
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157 Public method to get the sources of all required scripts.
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158
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159 @param urlList list of URLs (list of string)
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160 @return sources of all required scripts (string)
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161 """
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162 requiresDir = QDir(self.requireScriptsDirectory())
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163 if not requiresDir.exists() or len(urlList) == 0:
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164 return ""
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165
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166 script = ""
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167
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168 settings = QSettings(
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169 os.path.join(self.requireScriptsDirectory(), "requires.ini"),
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170 QSettings.IniFormat)
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171 settings.beginGroup("Files")
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172 for url in urlList:
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173 if settings.contains(url):
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174 fileName = settings.value(url)
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175 if not QFileInfo(fileName).isAbsolute():
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176 fileName = os.path.join(self.requireScriptsDirectory(),
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177 fileName)
1953
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parents:
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178 try:
1954
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179 f = open(fileName, "r", encoding="utf-8")
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180 source = f.read().strip()
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181 f.close()
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diff changeset
182 except (IOError, OSError):
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diff changeset
183 source = ""
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184 if source:
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185 script += source + "\n"
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186
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187 return script
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188
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189 def saveConfiguration(self):
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190 """
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Detlev Offenbach <detlev@die-offenbachs.de>
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191 Public method to save the configuration.
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192 """
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193 Preferences.setWebBrowser("GreaseMonkeyDisabledScripts",
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194 self.__disabledScripts)
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195
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196 def allScripts(self):
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197 """
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198 Public method to get a list of all scripts.
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199
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200 @return list of all scripts (list of GreaseMonkeyScript)
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201 """
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202 return self.__scripts[:]
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203
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204 def containsScript(self, fullName):
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205 """
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206 Public method to check, if the given script exists.
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207
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208 @param fullName full name of the script (string)
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209 @return flag indicating the existence (boolean)
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210 """
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211 for script in self.__scripts:
1953
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212 if script.fullName() == fullName:
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213 return True
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214
1953
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215 return False
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216
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217 def enableScript(self, script):
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218 """
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parents:
diff changeset
219 Public method to enable the given script.
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220
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221 @param script script to be enabled (GreaseMonkeyScript)
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222 """
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parents:
diff changeset
223 script.setEnabled(True)
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224 fullName = script.fullName()
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225 if fullName in self.__disabledScripts:
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diff changeset
226 self.__disabledScripts.remove(fullName)
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227
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228 collection = WebBrowserWindow.webProfile().scripts()
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diff changeset
229 collection.insert(script.webScript())
1953
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230
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diff changeset
231 def disableScript(self, script):
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diff changeset
232 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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233 Public method to disable the given script.
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diff changeset
234
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diff changeset
235 @param script script to be disabled (GreaseMonkeyScript)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237 script.setEnabled(False)
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diff changeset
238 fullName = script.fullName()
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diff changeset
239 if fullName not in self.__disabledScripts:
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diff changeset
240 self.__disabledScripts.append(fullName)
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241
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242 collection = WebBrowserWindow.webProfile().scripts()
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diff changeset
243 collection.remove(collection.findScript(fullName))
1953
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244
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245 def addScript(self, script):
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parents:
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246 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
247 Public method to add a script.
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248
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parents:
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249 @param script script to be added (GreaseMonkeyScript)
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diff changeset
250 @return flag indicating success (boolean)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
251 """
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diff changeset
252 if not script or not script.isValid():
1953
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diff changeset
253 return False
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parents:
diff changeset
254
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255 self.__scripts.append(script)
6120
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parents: 6048
diff changeset
256 script.scriptChanged.connect(lambda: self.__scriptChanged(script))
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257
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258 collection = WebBrowserWindow.webProfile().scripts()
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diff changeset
259 collection.insert(script.webScript())
1953
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parents:
diff changeset
260
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parents:
diff changeset
261 self.scriptsChanged.emit()
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parents:
diff changeset
262 return True
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parents:
diff changeset
263
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diff changeset
264 def removeScript(self, script, removeFile=True):
1953
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parents:
diff changeset
265 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
266 Public method to remove a script.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
267
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parents:
diff changeset
268 @param script script to be removed (GreaseMonkeyScript)
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diff changeset
269 @param removeFile flag indicating to remove the script file as well
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diff changeset
270 (bool)
1953
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parents:
diff changeset
271 @return flag indicating success (boolean)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
272 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
273 if not script:
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parents:
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274 return False
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parents:
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275
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parents: 4763
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276 try:
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parents: 4763
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277 self.__scripts.remove(script)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
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278 except ValueError:
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parents: 4763
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279 pass
1953
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parents:
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280
26aa6fd94dc2 Added support for GreaseMonkey scripts.
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281 fullName = script.fullName()
4766
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parents: 4763
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282 collection = WebBrowserWindow.webProfile().scripts()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
283 collection.remove(collection.findScript(fullName))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
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284
1953
26aa6fd94dc2 Added support for GreaseMonkey scripts.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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285 if fullName in self.__disabledScripts:
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parents:
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286 self.__disabledScripts.remove(fullName)
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287
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
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288 if removeFile:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
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289 QFile.remove(script.fileName())
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
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290 del script
1953
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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291
26aa6fd94dc2 Added support for GreaseMonkey scripts.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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292 self.scriptsChanged.emit()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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293 return True
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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294
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Detlev Offenbach <detlev@die-offenbachs.de>
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295 def canRunOnScheme(self, scheme):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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296 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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297 Public method to check, if scripts can be run on a scheme.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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298
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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299 @param scheme scheme to check (string)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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300 @return flag indicating, that scripts can be run (boolean)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
301 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
302 return scheme in ["http", "https", "data", "ftp"]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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303
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
304 def __load(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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305 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
306 Private slot to load the available scripts into the manager.
26aa6fd94dc2 Added support for GreaseMonkey scripts.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
307 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
308 scriptsDir = QDir(self.scriptsDirectory())
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
309 if not scriptsDir.exists():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
310 scriptsDir.mkpath(self.scriptsDirectory())
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
311
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
312 if not scriptsDir.exists("requires"):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
313 scriptsDir.mkdir("requires")
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
314
7268
a28338eaf694 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
315 self.__disabledScripts = Preferences.getWebBrowser(
a28338eaf694 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
316 "GreaseMonkeyDisabledScripts")
1953
26aa6fd94dc2 Added support for GreaseMonkey scripts.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
317
2403
e3d7a861547c Continued implementing the delayed import.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
318 from .GreaseMonkeyScript import GreaseMonkeyScript
1953
26aa6fd94dc2 Added support for GreaseMonkey scripts.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
319 for fileName in scriptsDir.entryList(["*.js"], QDir.Files):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
320 absolutePath = scriptsDir.absoluteFilePath(fileName)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
321 script = GreaseMonkeyScript(self, absolutePath)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
322
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parents: 4763
diff changeset
323 if not script.isValid():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
324 del script
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
325 continue
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
326
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
327 self.__scripts.append(script)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
328
1953
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
329 if script.fullName() in self.__disabledScripts:
26aa6fd94dc2 Added support for GreaseMonkey scripts.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
330 script.setEnabled(False)
26aa6fd94dc2 Added support for GreaseMonkey scripts.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
331 else:
4766
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
332 collection = WebBrowserWindow.webProfile().scripts()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
333 collection.insert(script.webScript())
6128
afc2cda1a743 Implemented support for GreaseMonkey 4.0 for the web browser NG.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6120
diff changeset
334
afc2cda1a743 Implemented support for GreaseMonkey 4.0 for the web browser NG.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6120
diff changeset
335 self.__jsObject.setSettingsFile(os.path.join(
afc2cda1a743 Implemented support for GreaseMonkey 4.0 for the web browser NG.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6120
diff changeset
336 Utilities.getConfigDir(), "web_browser",
afc2cda1a743 Implemented support for GreaseMonkey 4.0 for the web browser NG.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6120
diff changeset
337 "greasemonkey_values.ini"))
afc2cda1a743 Implemented support for GreaseMonkey 4.0 for the web browser NG.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6120
diff changeset
338 ExternalJsObject.registerExtraObject("GreaseMonkey", self.__jsObject)
1953
26aa6fd94dc2 Added support for GreaseMonkey scripts.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
339
6120
4c60a21ce6dd Continued removing the use of QObject.sender().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
340 def __scriptChanged(self, script):
1953
26aa6fd94dc2 Added support for GreaseMonkey scripts.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
341 """
4763
8ad353f31184 Continued porting the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4631
diff changeset
342 Private slot handling a changed script.
6120
4c60a21ce6dd Continued removing the use of QObject.sender().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
343
4c60a21ce6dd Continued removing the use of QObject.sender().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
344 @param script reference to the changed script
4c60a21ce6dd Continued removing the use of QObject.sender().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
345 @type GreaseMonkeyScript
1953
26aa6fd94dc2 Added support for GreaseMonkey scripts.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
346 """
4766
5f8d08aa2217 Continued porting the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
347 fullName = script.fullName()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
348 collection = WebBrowserWindow.webProfile().scripts()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
349 collection.remove(collection.findScript(fullName))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4763
diff changeset
350 collection.insert(script.webScript())

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