Helpviewer/AdBlock/AdBlockIcon.py

Sat, 04 Aug 2012 17:32:24 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 04 Aug 2012 17:32:24 +0200
changeset 1972
5341662d6cfb
parent 1970
02cf3bac079b
child 2302
f29e9405c851
permissions
-rw-r--r--

Added support for AdBlock exceptions to the web browser.

1963
9c5b3235abf9 Added an icon to the status bar to give direct access to AdBlock.
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parents:
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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2012 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 icon for the main window status bar.
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8 """
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9
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10 from PyQt4.QtCore import Qt
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11 from PyQt4.QtGui import QAction, QMenu
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12
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13 from E5Gui.E5ClickableLabel import E5ClickableLabel
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14
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15 import Helpviewer.HelpWindow
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16
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17 import UI.PixmapCache
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18
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19
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20 class AdBlockIcon(E5ClickableLabel):
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21 """
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22 Class implementing the AdBlock icon for the main window status bar.
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23 """
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24 def __init__(self, parent):
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25 """
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26 Constructor
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27
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28 @param parent reference to the parent widget (HelpWindow)
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29 """
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30 super().__init__(parent)
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31
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32 self.__mw = parent
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33 self.__menuAction = None
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34 self.__enabled = False
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35
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36 self.setMaximumHeight(16)
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37 self.setCursor(Qt.PointingHandCursor)
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38 self.setToolTip(
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39 self.trUtf8("AdBlock lets you block unwanted content on web pages."))
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40
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41 self.clicked.connect(self.__showMenu)
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42
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43 def setEnabled(self, enabled):
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44 """
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45 Public slot to set the enabled state.
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46
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47 @param enabled enabled state (boolean)
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48 """
1972
5341662d6cfb Added support for AdBlock exceptions to the web browser.
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49 self.__enabled = enabled
1963
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50 if enabled:
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51 self.currentChanged()
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52 else:
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53 self.setPixmap(UI.PixmapCache.getPixmap("adBlockPlusDisabled16.png"))
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54
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55 def __createMenu(self, menu=None):
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56 """
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57 Private slot to create the context menu.
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58
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59 @param menu parent menu (QMenu)
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60 """
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61 if menu is None:
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62 menu = self.sender()
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63 if menu is None:
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64 return
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65
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66 menu.clear()
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67
1970
02cf3bac079b Rewrote huge part of AdBlock to speed up and added support for dependent AdBlock subscriptions.
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parents: 1963
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68 manager = Helpviewer.HelpWindow.HelpWindow.adBlockManager()
1963
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69
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70 if manager.isEnabled():
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71 menu.addAction(UI.PixmapCache.getIcon("adBlockPlusDisabled.png"),
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72 self.trUtf8("Disable AdBlock"), self.__enableAdBlock).setData(False)
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73 else:
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74 menu.addAction(UI.PixmapCache.getIcon("adBlockPlus.png"),
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75 self.trUtf8("Enable AdBlock"), self.__enableAdBlock).setData(True)
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76 menu.addSeparator()
1972
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77 if manager.isEnabled() and \
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78 self.__mw.currentBrowser().page().url().host():
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79 if self.__isCurrentHostExcepted():
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80 menu.addAction(UI.PixmapCache.getIcon("adBlockPlus.png"),
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81 self.trUtf8("Remove AdBlock Exception"),
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82 self.__setException).setData(False)
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83 else:
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84 menu.addAction(UI.PixmapCache.getIcon("adBlockPlusGreen.png"),
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85 self.trUtf8("Add AdBlock Exception"),
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86 self.__setException).setData(True)
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87 menu.addAction(UI.PixmapCache.getIcon("adBlockPlusGreen.png"),
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88 self.trUtf8("AdBlock Exceptions..."), manager.showExceptionsDialog)
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89 menu.addSeparator()
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90 menu.addAction(UI.PixmapCache.getIcon("adBlockPlus.png"),
1972
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91 self.trUtf8("AdBlock Configuration..."), manager.showDialog)
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92 menu.addSeparator()
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93
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94 entries = self.__mw.currentBrowser().page().getAdBlockedPageEntries()
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95 if entries:
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96 menu.addAction(
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97 self.trUtf8("Blocked URL (AdBlock Rule) - click to edit rule"))\
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98 .setEnabled(False)
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99 for entry in entries:
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100 address = entry.urlString()[-55:]
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101 actionText = self.trUtf8("{0} with ({1})").format(
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102 address, entry.rule.filter()).replace("&", "&&")
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103 act = menu.addAction(actionText, manager.showRule)
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104 act.setData(entry.rule)
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105 else:
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106 menu.addAction(self.trUtf8("No content blocked")).setEnabled(False)
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107
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108 def menuAction(self):
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109 """
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110 Public method to get a reference to the menu action.
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111
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112 @return reference to the menu action (QAction)
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113 """
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114 if not self.__menuAction:
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115 self.__menuAction = QAction(self.trUtf8("AdBlock"))
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116 self.__menuAction.setMenu(QMenu())
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117 self.__menuAction.menu().aboutToShow.connect(self.__createMenu)
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118
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119 if self.__enabled:
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120 self.__menuAction.setIcon(UI.PixmapCache.getIcon("adBlockPlus.png"))
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121 else:
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122 self.__menuAction.setIcon(UI.PixmapCache.getIcon("adBlockPlusDisabled.png"))
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123
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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124 return self.__menuAction
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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125
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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126 def __showMenu(self, pos):
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parents:
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127 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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128 Private slot to show the context menu.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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129
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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130 @param pos position the context menu should be shown (QPoint)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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131 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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132 menu = QMenu()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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133 self.__createMenu(menu)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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134 menu.exec_(pos)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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135
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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136 def __enableAdBlock(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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137 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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138 Private slot to enable or disable AdBlock.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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139 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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140 act = self.sender()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
141 if act is not None:
1970
02cf3bac079b Rewrote huge part of AdBlock to speed up and added support for dependent AdBlock subscriptions.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1963
diff changeset
142 Helpviewer.HelpWindow.HelpWindow.adBlockManager().setEnabled(act.data())
1972
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
143
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
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144 def __isCurrentHostExcepted(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
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145 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
146 Private method to check, if the host of the current browser is excepted.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
147
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
148 @return flag indicating an exception (boolean)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
149 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
150 browser = self.__mw.currentBrowser()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
151 urlHost = browser.page().url().host()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
152
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
153 return urlHost and \
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
154 Helpviewer.HelpWindow.HelpWindow.adBlockManager().isHostExcepted(urlHost)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
155
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
156 def currentChanged(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
157 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
158 Public slot to handle a change of the current browser tab.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
159 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
160 if self.__enabled:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
161 if self.__isCurrentHostExcepted():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
162 self.setPixmap(UI.PixmapCache.getPixmap("adBlockPlusGreen16.png"))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
163 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
164 self.setPixmap(UI.PixmapCache.getPixmap("adBlockPlus16.png"))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
165
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
166 def __setException(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
167 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
168 Private slot to add or remove the current host from the list of exceptions.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
169 """
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
170 act = self.sender()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
171 if act is not None:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
172 urlHost = self.__mw.currentBrowser().page().url().host()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
173 if act.data():
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
174 Helpviewer.HelpWindow.HelpWindow.adBlockManager().addException(urlHost)
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
175 else:
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
176 Helpviewer.HelpWindow.HelpWindow.adBlockManager().removeException(urlHost)
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
177 self.currentChanged()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
178
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
179 def sourceChanged(self, browser, url):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
180 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
181 Public slot to handle URL changes.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
182
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
183 @param browser reference to the browser (HelpBrowser)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
184 @param url new URL (QUrl)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
185 """
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
186 if browser == self.__mw.currentBrowser():
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
187 self.currentChanged()

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