Mercurial Repositories > eric / file comparison
comparison: eric7/WebBrowser/StatusBar/JavaScriptIcon.py
eric7/WebBrowser/StatusBar/JavaScriptIcon.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8260
- 2161475d9639
- child 8318
- 962bce857696
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2016 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the JavaScript status bar icon. | |
| 8 """ | |
| 9 | |
| 10 # | |
| 11 # This is modeled after the code found in Qupzilla | |
| 12 # Copyright (C) 2014 David Rosca <nowrep@gmail.com> | |
| 13 # | |
| 14 | |
| 15 from PyQt5.QtCore import pyqtSlot, Qt, QPoint, QTimer | |
| 16 from PyQt5.QtWidgets import QGraphicsColorizeEffect, QMenu, QDialog | |
| 17 from PyQt5.QtWebEngineWidgets import QWebEngineSettings | |
| 18 | |
| 19 from .StatusBarIcon import StatusBarIcon | |
| 20 | |
| 21 import UI.PixmapCache | |
| 22 | |
| 23 | |
| 24 class JavaScriptIcon(StatusBarIcon): | |
| 25 """ | |
| 26 Class implementing the JavaScript status bar icon. | |
| 27 """ | |
| 28 def __init__(self, window): | |
| 29 """ | |
| 30 Constructor | |
| 31 | |
| 32 @param window reference to the web browser window | |
| 33 @type WebBrowserWindow | |
| 34 """ | |
| 35 super().__init__(window) | |
| 36 | |
| 37 self.setToolTip(self.tr("Modify JavaScript settings temporarily for" | |
| 38 " a site or globally")) | |
| 39 self.__icon = UI.PixmapCache.getPixmap("fileJavascript").scaled(16, 16) | |
| 40 self.setPixmap(self.__icon) | |
| 41 | |
| 42 self.__settings = {} | |
| 43 | |
| 44 self._window.tabWidget().currentChanged.connect(self.__updateIcon) | |
| 45 self._window.tabWidget().currentUrlChanged.connect(self.__updateIcon) | |
| 46 self.clicked.connect(self.__showMenu) | |
| 47 | |
| 48 self.__updateIcon() | |
| 49 | |
| 50 def preferencesChanged(self): | |
| 51 """ | |
| 52 Public method to handle changes of the settings. | |
| 53 """ | |
| 54 self.__updateIcon() | |
| 55 | |
| 56 @pyqtSlot(QPoint) | |
| 57 def __showMenu(self, pos): | |
| 58 """ | |
| 59 Private slot to show the menu. | |
| 60 | |
| 61 @param pos position to show the menu at | |
| 62 @type QPoint | |
| 63 """ | |
| 64 boldFont = self.font() | |
| 65 boldFont.setBold(True) | |
| 66 | |
| 67 menu = QMenu() | |
| 68 menu.addAction(self.tr("Current Page Settings")).setFont(boldFont) | |
| 69 | |
| 70 act = ( | |
| 71 menu.addAction(self.tr("Disable JavaScript (temporarily)"), | |
| 72 self.__toggleJavaScript) | |
| 73 if self._testCurrentPageWebAttribute( | |
| 74 QWebEngineSettings.WebAttribute.JavascriptEnabled) else | |
| 75 menu.addAction(self.tr("Enable JavaScript (temporarily)"), | |
| 76 self.__toggleJavaScript) | |
| 77 ) | |
| 78 if ( | |
| 79 self._currentPage() is not None and | |
| 80 self._currentPage().url().scheme() == "eric" | |
| 81 ): | |
| 82 # JavaScript is needed for eric: scheme | |
| 83 act.setEnabled(False) | |
| 84 | |
| 85 menu.addSeparator() | |
| 86 menu.addAction(self.tr("Global Settings")).setFont(boldFont) | |
| 87 menu.addAction(self.tr("Manage JavaScript Settings"), | |
| 88 self.__showJavaScriptSettingsDialog) | |
| 89 menu.exec(pos) | |
| 90 | |
| 91 @pyqtSlot() | |
| 92 def __updateIcon(self): | |
| 93 """ | |
| 94 Private slot to update the icon. | |
| 95 """ | |
| 96 if self._testCurrentPageWebAttribute( | |
| 97 QWebEngineSettings.WebAttribute.JavascriptEnabled): | |
| 98 self.setGraphicsEffect(None) | |
| 99 else: | |
| 100 effect = QGraphicsColorizeEffect(self) | |
| 101 effect.setColor(Qt.GlobalColor.gray) | |
| 102 self.setGraphicsEffect(effect) | |
| 103 | |
| 104 @pyqtSlot() | |
| 105 def __toggleJavaScript(self): | |
| 106 """ | |
| 107 Private slot to toggle the JavaScript setting. | |
| 108 """ | |
| 109 page = self._currentPage() | |
| 110 if page is None: | |
| 111 return | |
| 112 | |
| 113 current = self._testCurrentPageWebAttribute( | |
| 114 QWebEngineSettings.WebAttribute.JavascriptEnabled) | |
| 115 self._setCurrentPageWebAttribute( | |
| 116 QWebEngineSettings.WebAttribute.JavascriptEnabled, not current) | |
| 117 | |
| 118 self.__settings[page] = not current | |
| 119 page.navigationRequestAccepted.connect( | |
| 120 lambda u, t, mf: self.__navigationRequestAccepted(u, t, mf, page)) | |
| 121 | |
| 122 self._window.currentBrowser().reload() | |
| 123 | |
| 124 self.__updateIcon() | |
| 125 | |
| 126 @pyqtSlot() | |
| 127 def __showJavaScriptSettingsDialog(self): | |
| 128 """ | |
| 129 Private slot to show the JavaScript settings dialog. | |
| 130 | |
| 131 Note: This is the JavaScript subset of the web browser configuration | |
| 132 page. | |
| 133 """ | |
| 134 from .JavaScriptSettingsDialog import JavaScriptSettingsDialog | |
| 135 dlg = JavaScriptSettingsDialog(self._window) | |
| 136 if dlg.exec() == QDialog.DialogCode.Accepted: | |
| 137 self._window.preferencesChanged() | |
| 138 QTimer.singleShot(500, self.__updateIcon) | |
| 139 | |
| 140 def __navigationRequestAccepted(self, url, navigationType, isMainFrame, | |
| 141 page): | |
| 142 """ | |
| 143 Private method to handle the navigationRequestAccepted signal. | |
| 144 | |
| 145 @param url URL being loaded | |
| 146 @type QUrl | |
| 147 @param navigationType type of navigation request | |
| 148 @type QWebEnginePage.NavigationType | |
| 149 @param isMainFrame flag indicating a navigation request of the | |
| 150 main frame | |
| 151 @type bool | |
| 152 @param page reference to the web page | |
| 153 @type WebBrowserPage | |
| 154 """ | |
| 155 enable = (True if url.scheme() in ("eric", "qthelp") | |
| 156 else self.__settings[page]) | |
| 157 if isMainFrame: | |
| 158 page.settings().setAttribute( | |
| 159 QWebEngineSettings.WebAttribute.JavascriptEnabled, enable) |
