Helpviewer/AdBlock/AdBlockIcon.py

Wed, 01 Jan 2014 14:39:32 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 01 Jan 2014 14:39:32 +0100
branch
Py2 comp.
changeset 3161
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parent 3145
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child 3178
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permissions
-rw-r--r--

Updated copyright for 2014.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2012 - 2014 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 __future__ import unicode_literals
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11
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12 from PyQt4.QtCore import Qt
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13 from PyQt4.QtGui import QAction, QMenu
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14
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15 from E5Gui.E5ClickableLabel import E5ClickableLabel
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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(AdBlockIcon, self).__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(self.trUtf8(
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39 "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 """
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49 self.__enabled = enabled
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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(
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54 UI.PixmapCache.getPixmap("adBlockPlusDisabled16.png"))
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55
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56 def __createMenu(self, menu=None):
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57 """
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58 Private slot to create the context menu.
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59
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60 @param menu parent menu (QMenu)
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61 """
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62 if menu is None:
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63 menu = self.sender()
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64 if menu is None:
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65 return
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66
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67 menu.clear()
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68
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69 import Helpviewer.HelpWindow
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70 manager = Helpviewer.HelpWindow.HelpWindow.adBlockManager()
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71
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72 if manager.isEnabled():
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73 menu.addAction(
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74 UI.PixmapCache.getIcon("adBlockPlusDisabled.png"),
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75 self.trUtf8("Disable AdBlock"),
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76 self.__enableAdBlock).setData(False)
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77 else:
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78 menu.addAction(
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79 UI.PixmapCache.getIcon("adBlockPlus.png"),
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80 self.trUtf8("Enable AdBlock"),
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81 self.__enableAdBlock).setData(True)
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82 menu.addSeparator()
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83 if manager.isEnabled() and \
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84 self.__mw.currentBrowser().page().url().host():
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85 if self.__isCurrentHostExcepted():
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86 menu.addAction(
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87 UI.PixmapCache.getIcon("adBlockPlus.png"),
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88 self.trUtf8("Remove AdBlock Exception"),
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89 self.__setException).setData(False)
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90 else:
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91 menu.addAction(
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92 UI.PixmapCache.getIcon("adBlockPlusGreen.png"),
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93 self.trUtf8("Add AdBlock Exception"),
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94 self.__setException).setData(True)
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95 menu.addAction(
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96 UI.PixmapCache.getIcon("adBlockPlusGreen.png"),
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97 self.trUtf8("AdBlock Exceptions..."), manager.showExceptionsDialog)
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98 menu.addSeparator()
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99 menu.addAction(
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100 UI.PixmapCache.getIcon("adBlockPlus.png"),
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101 self.trUtf8("AdBlock Configuration..."), manager.showDialog)
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102 menu.addSeparator()
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103
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104 entries = self.__mw.currentBrowser().page().getAdBlockedPageEntries()
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105 if entries:
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106 menu.addAction(self.trUtf8(
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107 "Blocked URL (AdBlock Rule) - click to edit rule"))\
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108 .setEnabled(False)
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109 for entry in entries:
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110 address = entry.urlString()[-55:]
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111 actionText = self.trUtf8("{0} with ({1})").format(
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112 address, entry.rule.filter()).replace("&", "&&")
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113 act = menu.addAction(actionText, manager.showRule)
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114 act.setData(entry.rule)
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115 else:
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116 menu.addAction(self.trUtf8("No content blocked")).setEnabled(False)
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117
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118 def menuAction(self):
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119 """
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120 Public method to get a reference to the menu action.
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121
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122 @return reference to the menu action (QAction)
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123 """
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parents:
diff changeset
124 if not self.__menuAction:
9c5b3235abf9 Added an icon to the status bar to give direct access to AdBlock.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
125 self.__menuAction = QAction(self.trUtf8("AdBlock"))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
126 self.__menuAction.setMenu(QMenu())
9c5b3235abf9 Added an icon to the status bar to give direct access to AdBlock.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
127 self.__menuAction.menu().aboutToShow.connect(self.__createMenu)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
128
9c5b3235abf9 Added an icon to the status bar to give direct access to AdBlock.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
129 if self.__enabled:
3000
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
130 self.__menuAction.setIcon(
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
131 UI.PixmapCache.getIcon("adBlockPlus.png"))
1963
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
132 else:
3000
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
133 self.__menuAction.setIcon(
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
134 UI.PixmapCache.getIcon("adBlockPlusDisabled.png"))
1963
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135
9c5b3235abf9 Added an icon to the status bar to give direct access to AdBlock.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136 return self.__menuAction
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
137
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
138 def __showMenu(self, pos):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
139 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
140 Private slot to show the context menu.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
141
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
142 @param pos position the context menu should be shown (QPoint)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
143 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
144 menu = QMenu()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
145 self.__createMenu(menu)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
146 menu.exec_(pos)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
147
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
148 def __enableAdBlock(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
149 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
150 Private slot to enable or disable AdBlock.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
151 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
152 act = self.sender()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
153 if act is not None:
2403
e3d7a861547c Continued implementing the delayed import.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
154 import Helpviewer.HelpWindow
3000
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
155 Helpviewer.HelpWindow.HelpWindow.adBlockManager().setEnabled(
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
156 act.data())
1972
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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 def __isCurrentHostExcepted(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
159 """
3000
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
160 Private method to check, if the host of the current browser is
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
161 excepted.
1972
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
162
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
163 @return flag indicating an exception (boolean)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
164 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
165 browser = self.__mw.currentBrowser()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
166 urlHost = browser.page().url().host()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
167
2403
e3d7a861547c Continued implementing the delayed import.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
168 import Helpviewer.HelpWindow
1972
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
169 return urlHost and \
3000
971d84f7a6d6 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
170 Helpviewer.HelpWindow.HelpWindow.adBlockManager()\
3035
36e9f388958b Fixed a bunch of indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3022
diff changeset
171 .isHostExcepted(urlHost)
1972
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
172
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
173 def currentChanged(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
174 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
175 Public slot to handle a change of the current browser tab.
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
176 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
177 if self.__enabled:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
178 if self.__isCurrentHostExcepted():
3000
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
179 self.setPixmap(
971d84f7a6d6 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
180 UI.PixmapCache.getPixmap("adBlockPlusGreen16.png"))
1972
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
181 else:
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
182 self.setPixmap(UI.PixmapCache.getPixmap("adBlockPlus16.png"))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
183
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
184 def __setException(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
185 """
3000
971d84f7a6d6 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
186 Private slot to add or remove the current host from the list of
971d84f7a6d6 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
187 exceptions.
1972
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
188 """
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
189 act = self.sender()
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
190 if act is not None:
2403
e3d7a861547c Continued implementing the delayed import.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
191 import Helpviewer.HelpWindow
1972
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
192 urlHost = self.__mw.currentBrowser().page().url().host()
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
193 if act.data():
3000
971d84f7a6d6 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
194 Helpviewer.HelpWindow.HelpWindow.adBlockManager()\
971d84f7a6d6 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
195 .addException(urlHost)
1972
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
196 else:
3000
971d84f7a6d6 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
197 Helpviewer.HelpWindow.HelpWindow.adBlockManager()\
971d84f7a6d6 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2403
diff changeset
198 .removeException(urlHost)
1972
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
199 self.currentChanged()
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
200
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
201 def sourceChanged(self, browser, url):
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
202 """
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
203 Public slot to handle URL changes.
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
204
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
205 @param browser reference to the browser (HelpBrowser)
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
206 @param url new URL (QUrl)
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
207 """
5341662d6cfb Added support for AdBlock exceptions to the web browser.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1970
diff changeset
208 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
209 self.currentChanged()

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