Mercurial Repositories > eric / file comparison
comparison: eric6/Helpviewer/FeaturePermissions/FeaturePermissionManager.py
eric6/Helpviewer/FeaturePermissions/FeaturePermissionManager.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2015 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the feature permission manager object. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import QObject | |
| 13 from PyQt5.QtWidgets import QDialog | |
| 14 from PyQt5.QtWebKitWidgets import QWebPage | |
| 15 | |
| 16 import Globals | |
| 17 import Preferences | |
| 18 | |
| 19 | |
| 20 class FeaturePermissionManager(QObject): | |
| 21 """ | |
| 22 Class implementing the feature permission manager object. | |
| 23 """ | |
| 24 SettingsKeyFormat = "Help/FeaturePermissions/{0}" | |
| 25 | |
| 26 def __init__(self, parent=None): | |
| 27 """ | |
| 28 Constructor | |
| 29 | |
| 30 @param parent reference to the parent object | |
| 31 @type QObject | |
| 32 """ | |
| 33 super(FeaturePermissionManager, self).__init__(parent) | |
| 34 | |
| 35 self.__featurePermissions = { | |
| 36 QWebPage.Notifications: { | |
| 37 QWebPage.PermissionGrantedByUser: [], | |
| 38 QWebPage.PermissionDeniedByUser: [], | |
| 39 }, | |
| 40 QWebPage.Geolocation: { | |
| 41 QWebPage.PermissionGrantedByUser: [], | |
| 42 QWebPage.PermissionDeniedByUser: [], | |
| 43 }, | |
| 44 } | |
| 45 self.__featurePermissionsKeys = { | |
| 46 (QWebPage.Notifications, QWebPage.PermissionGrantedByUser): | |
| 47 "NotificationsGranted", | |
| 48 (QWebPage.Notifications, QWebPage.PermissionDeniedByUser): | |
| 49 "NotificationsDenied", | |
| 50 (QWebPage.Geolocation, QWebPage.PermissionGrantedByUser): | |
| 51 "GeolocationGranted", | |
| 52 (QWebPage.Geolocation, QWebPage.PermissionDeniedByUser): | |
| 53 "GeolocationDenied", | |
| 54 } | |
| 55 | |
| 56 self.__loaded = False | |
| 57 | |
| 58 def requestFeaturePermission(self, page, frame, feature): | |
| 59 """ | |
| 60 Public method to request a feature permission. | |
| 61 | |
| 62 @param page reference to the requesting web page | |
| 63 @type QWebPage | |
| 64 @param frame frame sending the request | |
| 65 @type QWebFrame | |
| 66 @param feature requested feature | |
| 67 @type QWebPage.Feature | |
| 68 """ | |
| 69 if page is None or frame is None: | |
| 70 return | |
| 71 | |
| 72 if not self.__loaded: | |
| 73 self.__loadSettings() | |
| 74 | |
| 75 host = page.url().host() | |
| 76 | |
| 77 if feature in self.__featurePermissions: | |
| 78 for permission in self.__featurePermissions[feature]: | |
| 79 if host in self.__featurePermissions[feature][permission]: | |
| 80 page.setFeaturePermission(frame, feature, permission) | |
| 81 return | |
| 82 | |
| 83 view = page.view() | |
| 84 if view is not None: | |
| 85 from .FeaturePermissionBar import FeaturePermissionBar | |
| 86 bar = FeaturePermissionBar(view, frame, feature) | |
| 87 bar.show() | |
| 88 | |
| 89 def rememberFeaturePermission(self, host, feature, permission): | |
| 90 """ | |
| 91 Public method to remember a user decision for a feature permission. | |
| 92 | |
| 93 @param host host name to remember the decision for | |
| 94 @type str | |
| 95 @param feature feature to be remembered | |
| 96 @type QWebPage.Feature | |
| 97 @param permission feature permission to be remembered | |
| 98 @type QWebPage.PermissionPolicy | |
| 99 """ | |
| 100 if feature in self.__featurePermissions: | |
| 101 if host not in self.__featurePermissions[feature][permission]: | |
| 102 self.__featurePermissions[feature][permission].append(host) | |
| 103 self.__saveSettings() | |
| 104 | |
| 105 def __loadSettings(self): | |
| 106 """ | |
| 107 Private method to load the remembered feature permissions. | |
| 108 """ | |
| 109 if self.__loaded: | |
| 110 # no reloading allowed | |
| 111 return | |
| 112 | |
| 113 for (feature, permission), key in \ | |
| 114 self.__featurePermissionsKeys.items(): | |
| 115 self.__featurePermissions[feature][permission] = \ | |
| 116 Globals.toList(Preferences.Prefs.settings.value( | |
| 117 FeaturePermissionManager.SettingsKeyFormat.format(key), | |
| 118 [] | |
| 119 )) | |
| 120 | |
| 121 self.__loaded = True | |
| 122 | |
| 123 def __saveSettings(self): | |
| 124 """ | |
| 125 Private method to save the remembered feature permissions. | |
| 126 """ | |
| 127 if not self.__loaded: | |
| 128 return | |
| 129 | |
| 130 for (feature, permission), key in \ | |
| 131 self.__featurePermissionsKeys.items(): | |
| 132 Preferences.Prefs.settings.setValue( | |
| 133 FeaturePermissionManager.SettingsKeyFormat.format(key), | |
| 134 self.__featurePermissions[feature][permission]) | |
| 135 | |
| 136 def showFeaturePermissionsDialog(self): | |
| 137 """ | |
| 138 Public method to show a dialog to manage the remembered feature | |
| 139 permissions. | |
| 140 """ | |
| 141 if not self.__loaded: | |
| 142 self.__loadSettings() | |
| 143 | |
| 144 from .FeaturePermissionsDialog import FeaturePermissionsDialog | |
| 145 dlg = FeaturePermissionsDialog(self.__featurePermissions) | |
| 146 if dlg.exec_() == QDialog.Accepted: | |
| 147 newFeaturePermissions = dlg.getData() | |
| 148 self.__featurePermissions = newFeaturePermissions | |
| 149 self.__saveSettings() |
