Mercurial Repositories > eric / file comparison
comparison: WebBrowser/WebInspector.py
WebBrowser/WebInspector.py
- branch
- QtWebEngine
- changeset 4781
- 15d416f1eca5
- parent 4631
- 5c1a96925da4
- child 4782
- 4ad656e4ebec
equal
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| 4780:1d203a177b16 | 4781:15d416f1eca5 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2015 - 2016 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a QWebEngineView to load the web inspector in. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 try: | |
| 12 str = unicode # __IGNORE_EXCEPTION__ | |
| 13 except NameError: | |
| 14 pass | |
| 15 | |
| 16 import json | |
| 17 | |
| 18 from PyQt5.QtCore import QSize, QUrl | |
| 19 from PyQt5.QtNetwork import QNetworkRequest | |
| 20 from PyQt5.QtWebEngineWidgets import QWebEngineView, QWebEnginePage | |
| 21 | |
| 22 import Preferences | |
| 23 | |
| 24 _VIEWS = [] | |
| 25 | |
| 26 | |
| 27 class WebInspector(QWebEngineView): | |
| 28 """ | |
| 29 Class implementing a QWebEngineView to load the web inspector in. | |
| 30 """ | |
| 31 def __init__(self, parent=None): | |
| 32 """ | |
| 33 Constructor | |
| 34 | |
| 35 @param parent reference to the parent widget | |
| 36 @type QWidget | |
| 37 """ | |
| 38 super(WebInspector, self).__init__(parent) | |
| 39 | |
| 40 self.__view = None | |
| 41 self.__inspectElement = False | |
| 42 | |
| 43 self.__reloadGeometry() | |
| 44 | |
| 45 registerView(self) | |
| 46 | |
| 47 self.page().windowCloseRequested.connect(self.close) | |
| 48 self.page().loadFinished.connect(self.__loadFinished) | |
| 49 | |
| 50 def __del__(self): | |
| 51 """ | |
| 52 Special method doing some cleanup stuff. | |
| 53 """ | |
| 54 unregisterView(self) | |
| 55 | |
| 56 def closeEvent(self, evt): | |
| 57 """ | |
| 58 Protected method to save the geometry when closed. | |
| 59 | |
| 60 @param evt event object | |
| 61 @type QCloseEvent | |
| 62 """ | |
| 63 Preferences.setGeometry("WebInspectorGeometry", self.saveGeometry()) | |
| 64 super(WebInspector, self).closeEvent(evt) | |
| 65 | |
| 66 def __reloadGeometry(self): | |
| 67 """ | |
| 68 Private method to restore the geometry. | |
| 69 """ | |
| 70 geom = Preferences.getGeometry("WebInspectorGeometry") | |
| 71 if geom.isEmpty(): | |
| 72 s = QSize(600, 600) | |
| 73 self.resize(s) | |
| 74 else: | |
| 75 self.restoreGeometry(geom) | |
| 76 | |
| 77 def setView(self, view, inspectElement=False): | |
| 78 """ | |
| 79 Public method to connect a view to this inspector. | |
| 80 | |
| 81 @param view reference to the view object | |
| 82 @type WebBrowserView | |
| 83 @param inspectElement flag indicating to start a web inspection | |
| 84 @type bool | |
| 85 """ | |
| 86 self.__view = view | |
| 87 if not self.isEnabled(): | |
| 88 return | |
| 89 | |
| 90 self.__inspectElement = inspectElement | |
| 91 | |
| 92 port = Preferences.getWebBrowser("WebInspectorPort") | |
| 93 inspectorUrl = QUrl("http://localhost:{0}".format(port)) | |
| 94 | |
| 95 from WebBrowser.WebBrowserWindow import WebBrowserWindow | |
| 96 self.__reply = WebBrowserWindow.networkManager().get( | |
| 97 QNetworkRequest(inspectorUrl.resolved(QUrl("json/list")))) | |
| 98 self.__reply.finished.connect(self.__inspectorReplyFinished) | |
| 99 | |
| 100 def __inspectorReplyFinished(self): | |
| 101 """ | |
| 102 Private slot handling the reply. | |
| 103 """ | |
| 104 result = str(self.__reply.readAll(), encoding="utf8") | |
| 105 clients = json.loads(result) | |
| 106 | |
| 107 self.__reply.deleteLater() | |
| 108 self.__replay = None | |
| 109 | |
| 110 pageUrl = QUrl() | |
| 111 try: | |
| 112 index = _VIEWS.index(self.__view) | |
| 113 except ValueError: | |
| 114 index = -1 | |
| 115 if len(clients) > index: | |
| 116 port = Preferences.getWebBrowser("WebInspectorPort") | |
| 117 inspectorUrl = QUrl("http://localhost:{0}".format(port)) | |
| 118 | |
| 119 client = clients[index] | |
| 120 pageUrl = inspectorUrl.resolved( | |
| 121 QUrl(client["devtoolsFrontendUrl"])) | |
| 122 self.load(pageUrl) | |
| 123 pushView(self) | |
| 124 self.show() | |
| 125 | |
| 126 def inspectElement(self): | |
| 127 """ | |
| 128 Public method to inspect an element. | |
| 129 """ | |
| 130 self.__inspectElement = True | |
| 131 | |
| 132 def isEnabled(self): | |
| 133 """ | |
| 134 Public method to check, if the web inspector is enabled. | |
| 135 | |
| 136 @return flag indicating the enabled state | |
| 137 @rtype bool | |
| 138 """ | |
| 139 return Preferences.getWebBrowser("WebInspectorEnabled") | |
| 140 | |
| 141 def __loadFinished(self): | |
| 142 """ | |
| 143 Private slot handling the finished signal. | |
| 144 """ | |
| 145 if self.__inspectElement: | |
| 146 # TODO: Qt 5.6 | |
| 147 ## self.__view.triggerPageAction(QWebEnginePage.InspectElement) | |
| 148 self.__inspectElement = False | |
| 149 | |
| 150 | |
| 151 def registerView(view): | |
| 152 """ | |
| 153 Function to register a view. | |
| 154 | |
| 155 @param view reference to the view | |
| 156 @type WebBrowserView | |
| 157 """ | |
| 158 _VIEWS.insert(0, view) | |
| 159 | |
| 160 | |
| 161 def unregisterView(view): | |
| 162 """ | |
| 163 Function to unregister a view. | |
| 164 | |
| 165 @param view reference to the view | |
| 166 @type WebBrowserView | |
| 167 """ | |
| 168 if view in _VIEWS: | |
| 169 _VIEWS.remove(view) | |
| 170 | |
| 171 | |
| 172 def pushView(view): | |
| 173 """ | |
| 174 Function to push a view to the front of the list. | |
| 175 | |
| 176 @param view reference to the view | |
| 177 @type WebBrowserView | |
| 178 """ | |
| 179 if view in _VIEWS: | |
| 180 _VIEWS.remove(view) | |
| 181 _VIEWS.insert(0, view) |
