Helpviewer/AdBlock/AdBlockManager.py

Mon, 28 Dec 2009 16:03:33 +0000

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Mon, 28 Dec 2009 16:03:33 +0000
changeset 0
de9c2efb9d02
child 12
1d8dd9706f46
permissions
-rw-r--r--

Started porting eric4 to Python3

0
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Detlev Offenbach <detlev@die-offenbachs.de>
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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 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 AdBlock manager.
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8 """
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9
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10 import os
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11
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12 from PyQt4.QtCore import *
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13
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14 import Helpviewer.HelpWindow
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15
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16 from AdBlockNetwork import AdBlockNetwork
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17 from AdBlockPage import AdBlockPage
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18 from AdBlockSubscription import AdBlockSubscription
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19 from AdBlockDialog import AdBlockDialog
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20
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21 from Utilities.AutoSaver import AutoSaver
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22 import Utilities
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23 import Preferences
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24
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25 class AdBlockManager(QObject):
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26 """
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27 Class implementing the AdBlock manager.
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28
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29 @signal rulesChanged() emitted after some rule has changed
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30 """
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31 def __init__(self, parent = None):
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32 """
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33 Constructor
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34
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35 @param parent reference to the parent object (QObject)
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36 """
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37 QObject.__init__(self, parent)
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38
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39 self.__loaded = False
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40 self.__enabled = False
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41 self.__adBlockDialog = None
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42 self.__adBlockNetwork = None
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43 self.__adBlockPage = None
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44 self.__subscriptions = []
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45 self.__saveTimer = AutoSaver(self, self.save)
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46
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47 self.connect(self, SIGNAL("rulesChanged()"), self.__saveTimer.changeOccurred)
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48
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49 def close(self):
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50 """
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51 Public method to close the open search engines manager.
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52 """
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53 self.__saveTimer.saveIfNeccessary()
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54
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55 def isEnabled(self):
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56 """
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57 Public method to check, if blocking ads is enabled.
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58
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59 @return flag indicating the enabled state (boolean)
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60 """
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61 if not self.__loaded:
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62 self.load()
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63
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64 return self.__enabled
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65
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66 def setEnabled(self, enabled):
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67 """
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68 Public slot to set the enabled state.
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69
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70 @param enabled flag indicating the enabled state (boolean)
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71 """
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72 if self.isEnabled() == enabled:
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73 return
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74
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75 self.__enabled = enabled
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76 self.emit(SIGNAL("rulesChanged()"))
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77
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78 def network(self):
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79 """
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80 Public method to get a reference to the network block object.
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81
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82 @return reference to the network block object (AdBlockNetwork)
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83 """
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84 if self.__adBlockNetwork is None:
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85 self.__adBlockNetwork = AdBlockNetwork(self)
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86 return self.__adBlockNetwork
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87
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88 def page(self):
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89 """
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90 Public method to get a reference to the page block object.
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91
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92 @return reference to the page block object (AdBlockPage)
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93 """
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94 if self.__adBlockPage is None:
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95 self.__adBlockPage = AdBlockPage(self)
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96 return self.__adBlockPage
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97
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98 def __customSubscriptionLocation(self):
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99 """
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100 Private method to generate the path for custom subscriptions.
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101
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102 @return URL for custom subscriptions (QUrl)
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103 """
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104 dataDir = os.path.join(Utilities.getConfigDir(), "browser", "subscriptions")
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105 if not os.path.exists(dataDir):
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106 os.makedirs(dataDir)
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107 fileName = os.path.join(dataDir, "adblock_subscription_custom")
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108 return QUrl.fromLocalFile(fileName)
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109
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110 def __customSubscriptionUrl(self):
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111 """
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112 Private method to generate the URL for custom subscriptions.
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113
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114 @return URL for custom subscriptions (QUrl)
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115 """
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116 location = self.__customSubscriptionLocation()
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117 encodedUrl = unicode(location.toEncoded())
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118 url = QUrl("abp:subscribe?location=%s&title=%s" % \
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119 (encodedUrl, self.trUtf8("Custom Rules")))
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120 return url
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121
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122 def customRules(self):
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123 """
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124 Public method to get a subscription for custom rules.
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125
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126 @return subscription object for custom rules (AdBlockSubscription)
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127 """
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128 location = self.__customSubscriptionLocation()
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129 for subscription in self.__subscriptions:
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130 if subscription.location() == location:
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131 return subscription
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132
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133 url = self.__customSubscriptionUrl()
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134 customAdBlockSubscription = AdBlockSubscription(url, self)
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135 self.addSubscription(customAdBlockSubscription)
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136 return customAdBlockSubscription
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137
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
138 def subscriptions(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
139 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
140 Public method to get all subscriptions.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
141
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
142 @return list of subscriptions (list of AdBlockSubscription)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
143 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
144 if not self.__loaded:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
145 self.load()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
146
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
147 return self.__subscriptions[:]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
148
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
149 def removeSubscription(self, subscription):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
150 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
151 Public method to remove an AdBlock subscription.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
152
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
153 @param subscription AdBlock subscription to be removed (AdBlockSubscription)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
154 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
155 if subscription is None:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
156 return
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
157
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
158 try:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
159 self.__subscriptions.remove(subscription)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
160 rulesFileName = subscription.rulesFileName()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
161 if subscription.parent() == self:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
162 subscription.deleteLater()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
163 QFile.remove(rulesFileName)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164 self.emit(SIGNAL("rulesChanged()"))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
165 except ValueError:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
166 pass
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
167
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
168 def addSubscription(self, subscription):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
169 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
170 Public method to add an AdBlock subscription.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
171
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
172 @param subscription AdBlock subscription to be added (AdBlockSubscription)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
173 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
174 if subscription is None:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
175 return
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
176
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
177 self.__subscriptions.append(subscription)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
178
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
179 self.connect(subscription, SIGNAL("rulesChanged()"),
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
180 self, SIGNAL("rulesChanged()"))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
181 self.connect(subscription, SIGNAL("changed()"),
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
182 self, SIGNAL("rulesChanged()"))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
183
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
184 self.emit(SIGNAL("rulesChanged()"))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
185
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
186 def save(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
187 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
188 Public method to save the AdBlock subscriptions.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
189 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
190 if not self.__loaded:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
191 return
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
192
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
193 Preferences.setHelp("AdBlockEnabled", int(self.__enabled))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
194 subscriptions = []
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
195 for subscription in self.__subscriptions:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
196 if subscription is None:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
197 continue
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
198 subscriptions.append(unicode(subscription.url().toEncoded()))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
199 subscription.saveRules()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
200 Preferences.setHelp("AdBlockSubscriptions", subscriptions)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
201
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
202 def load(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
203 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
204 Public method to load the AdBlock subscriptions.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
205 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
206 if self.__loaded:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
207 return
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
208
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
209 self.__loaded = True
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
210
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
211 self.__enabled = bool(Preferences.getHelp("AdBlockEnabled"))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
212
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
213 defaultSubscriptions = []
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
214 defaultSubscriptions.append(
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
215 unicode(self.__customSubscriptionUrl().toEncoded()))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
216 defaultSubscriptions.append(
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
217 "abp:subscribe?location=http://adblockplus.mozdev.org/easylist/easylist.txt&title=EasyList")
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
218
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
219 subscriptions = Preferences.getHelp("AdBlockSubscriptions")
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
220 if len(subscriptions) == 0:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
221 subscriptions = defaultSubscriptions
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
222 for subscription in subscriptions:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
223 url = QUrl.fromEncoded(subscription)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
224 adBlockSubscription = AdBlockSubscription(url, self)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
225 self.connect(adBlockSubscription, SIGNAL("rulesChanged()"),
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
226 self, SIGNAL("rulesChanged()"))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
227 self.connect(adBlockSubscription, SIGNAL("changed()"),
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
228 self, SIGNAL("rulesChanged()"))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
229 self.__subscriptions.append(adBlockSubscription)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
230
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 def showDialog(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
232 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
233 Public slot to show the AdBlock subscription management dialog.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
234 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
235 if self.__adBlockDialog is None:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236 self.__adBlockDialog = AdBlockDialog()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238 self.__adBlockDialog.show()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
239 return self.__adBlockDialog

eric ide

mercurial