def _init_stylesheet(profile): """Initialize custom stylesheets. Partially inspired by QupZilla: https://github.com/QupZilla/qupzilla/blob/v2.0/src/lib/app/mainapplication.cpp#L1063-L1101 """ old_script = profile.scripts().findScript('_qute_stylesheet') if not old_script.isNull(): profile.scripts().remove(old_script) css = shared.get_user_stylesheet() source = '\n'.join([ '"use strict";', 'window._qutebrowser = window._qutebrowser || {};', utils.read_file('javascript/stylesheet.js'), javascript.assemble('stylesheet', 'set_css', css), ]) script = QWebEngineScript() script.setName('_qute_stylesheet') script.setInjectionPoint(QWebEngineScript.DocumentCreation) script.setWorldId(QWebEngineScript.ApplicationWorld) script.setRunsOnSubFrames(True) script.setSourceCode(source) profile.scripts().insert(script)
def inject_userscripts(): """Register user JavaScript files with the global profiles.""" # The Greasemonkey metadata block support in QtWebEngine only starts at # Qt 5.8. With 5.7.1, we need to inject the scripts ourselves in response # to urlChanged. if not qtutils.version_check('5.8'): return # Since we are inserting scripts into profile.scripts they won't # just get replaced by new gm scripts like if we were injecting them # ourselves so we need to remove all gm scripts, while not removing # any other stuff that might have been added. Like the one for # stylesheets. greasemonkey = objreg.get('greasemonkey') for profile in [default_profile, private_profile]: scripts = profile.scripts() for script in scripts.toList(): if script.name().startswith("GM-"): log.greasemonkey.debug('Removing script: {}' .format(script.name())) removed = scripts.remove(script) assert removed, script.name() # Then add the new scripts. for script in greasemonkey.all_scripts(): # @run-at (and @include/@exclude/@match) is parsed by # QWebEngineScript. new_script = QWebEngineScript() new_script.setWorldId(QWebEngineScript.MainWorld) new_script.setSourceCode(script.code()) new_script.setName("GM-{}".format(script.name)) new_script.setRunsOnSubFrames(script.runs_on_sub_frames) log.greasemonkey.debug('adding script: {}' .format(new_script.name())) scripts.insert(new_script)
def _init_stylesheet(profile): """Initialize custom stylesheets. Mostly inspired by QupZilla: https://github.com/QupZilla/qupzilla/blob/v2.0/src/lib/app/mainapplication.cpp#L1063-L1101 https://github.com/QupZilla/qupzilla/blob/v2.0/src/lib/tools/scripts.cpp#L119-L132 FIXME:qtwebengine Use QWebEngineStyleSheet once that's available https://codereview.qt-project.org/#/c/148671/ """ old_script = profile.scripts().findScript('_qute_stylesheet') if not old_script.isNull(): profile.scripts().remove(old_script) css = shared.get_user_stylesheet() source = """ (function() {{ var css = document.createElement('style'); css.setAttribute('type', 'text/css'); css.appendChild(document.createTextNode('{}')); document.getElementsByTagName('head')[0].appendChild(css); }})() """.format(javascript.string_escape(css)) script = QWebEngineScript() script.setName('_qute_stylesheet') script.setInjectionPoint(QWebEngineScript.DocumentReady) script.setWorldId(QWebEngineScript.ApplicationWorld) script.setRunsOnSubFrames(True) script.setSourceCode(source) profile.scripts().insert(script)
def _init_stylesheet(profile): """Initialize custom stylesheets. Partially inspired by QupZilla: https://github.com/QupZilla/qupzilla/blob/v2.0/src/lib/app/mainapplication.cpp#L1063-L1101 """ old_script = profile.scripts().findScript('_qute_stylesheet') if not old_script.isNull(): profile.scripts().remove(old_script) css = shared.get_user_stylesheet() source = '\n'.join([ '"use strict";', 'window._qutebrowser = window._qutebrowser || {};', utils.read_file('javascript/stylesheet.js'), javascript.assemble('stylesheet', 'set_css', css), ]) script = QWebEngineScript() script.setName('_qute_stylesheet') script.setInjectionPoint(QWebEngineScript.DocumentCreation) script.setWorldId(QWebEngineScript.ApplicationWorld) script.setRunsOnSubFrames(True) script.setSourceCode(source) profile.scripts().insert(script)
def _init_stylesheet(profile): """Initialize custom stylesheets. Mostly inspired by QupZilla: https://github.com/QupZilla/qupzilla/blob/v2.0/src/lib/app/mainapplication.cpp#L1063-L1101 https://github.com/QupZilla/qupzilla/blob/v2.0/src/lib/tools/scripts.cpp#L119-L132 """ old_script = profile.scripts().findScript('_qute_stylesheet') if not old_script.isNull(): profile.scripts().remove(old_script) css = shared.get_user_stylesheet() source = """ (function() {{ var css = document.createElement('style'); css.setAttribute('type', 'text/css'); css.appendChild(document.createTextNode('{}')); document.getElementsByTagName('head')[0].appendChild(css); }})() """.format(javascript.string_escape(css)) script = QWebEngineScript() script.setName('_qute_stylesheet') script.setInjectionPoint(QWebEngineScript.DocumentReady) script.setWorldId(QWebEngineScript.ApplicationWorld) script.setRunsOnSubFrames(True) script.setSourceCode(source) profile.scripts().insert(script)
def _initPreviewToTextSync(self): """Initialize the system per items 1, 2, and 4 above.""" # When a web page finishes loading, reinsert our JavaScript. page = self._dock._widget.webEngineView.page() # Insert our scripts into every loaded page. qwebchannel_js = QFile(':/qtwebchannel/qwebchannel.js') if not qwebchannel_js.open(QIODevice.ReadOnly): raise SystemExit( 'Failed to load qwebchannel.js with error: %s' % qwebchannel_js.errorString()) qwebchannel_js = bytes(qwebchannel_js.readAll()).decode('utf-8') # Set up the QWebChannel. See http://doc.qt.io/qt-5/qtwebchannel-javascript.html. # Run the script containing QWebChannel.js first. beforeScript = QWebEngineScript() beforeScript.setSourceCode(qwebchannel_js + self._jsPreviewSync + self._qtJsInit) beforeScript.setName('qwebchannel.js, previewSync') # Run this JavaScript separated from any JavaScript present in the loaded web page. This provides better security (rogue pages can't access the QWebChannel) and better isolation (handlers, etc. won't conflict, I hope). beforeScript.setWorldId(QWebEngineScript.ApplicationWorld) beforeScript.setInjectionPoint(QWebEngineScript.DocumentCreation) # Per `setWebChannel <http://doc.qt.io/qt-5/qwebenginepage.html#setWebChannel>`_, only one channel is allowed per page. So, don't run this on sub-frames, since it will attempt the creation of more channels for each subframe. beforeScript.setRunsOnSubFrames(False) page.scripts().insert(beforeScript) # Set up the web channel. See https://riverbankcomputing.com/pipermail/pyqt/2015-August/036346.html # and http://stackoverflow.com/questions/28565254/how-to-use-qt-webengine-and-qwebchannel. # For debug, ``set QTWEBENGINE_REMOTE_DEBUGGING=port`` then browse to # http://127.0.0.1:port, where port=60000 works for me. See https://riverbankcomputing.com/pipermail/pyqt/2015-August/036346.html. self.channel = QWebChannel(page) self.channel.registerObject("previewSync", self) # Expose the ``qt.webChannelTransport`` object in the world where these scripts live. page.setWebChannel(self.channel, QWebEngineScript.ApplicationWorld)
def client_script(): """ Reads qtwebchannel.js from disk and creates QWebEngineScript to inject to QT window. This allows for JavaScript code to call python methods marked by pyqtSlot in registered objects. Args: None. Returns: None. Raises: """ qwebchannel_js = QFile(':/qtwebchannel/qwebchannel.js') if not qwebchannel_js.open(QIODevice.ReadOnly): raise SystemExit( 'Failed to load qwebchannel.js with error: %s' % qwebchannel_js.errorString()) qwebchannel_js = bytes(qwebchannel_js.readAll()).decode('utf-8') script = QWebEngineScript() script.setSourceCode(qwebchannel_js) script.setName('qWebChannelJS') script.setWorldId(QWebEngineScript.MainWorld) script.setInjectionPoint(QWebEngineScript.DocumentReady) script.setRunsOnSubFrames(True) return script
def _inject_early_js(self, name, js_code, *, world=QWebEngineScript.ApplicationWorld, subframes=False): """Inject the given script to run early on a page load. This runs the script both on DocumentCreation and DocumentReady as on some internal pages, DocumentCreation will not work. That is a WORKAROUND for https://bugreports.qt.io/browse/QTBUG-66011 """ scripts = self._widget.page().scripts() for injection in ['creation', 'ready']: injection_points = { 'creation': QWebEngineScript.DocumentCreation, 'ready': QWebEngineScript.DocumentReady, } script = QWebEngineScript() script.setInjectionPoint(injection_points[injection]) script.setSourceCode(js_code) script.setWorldId(world) script.setRunsOnSubFrames(subframes) script.setName('_qute_{}_{}'.format(name, injection)) scripts.insert(script)
def _inject_userscripts(self): """Register user JavaScript files with the global profiles.""" # The Greasemonkey metadata block support in QtWebEngine only starts at # Qt 5.8. With 5.7.1, we need to inject the scripts ourselves in # response to urlChanged. if not qtutils.version_check('5.8'): return # Since we are inserting scripts into profile.scripts they won't # just get replaced by new gm scripts like if we were injecting them # ourselves so we need to remove all gm scripts, while not removing # any other stuff that might have been added. Like the one for # stylesheets. greasemonkey = objreg.get('greasemonkey') scripts = self._widget.page().scripts() for script in scripts.toList(): if script.name().startswith("GM-"): log.greasemonkey.debug('Removing script: {}'.format( script.name())) removed = scripts.remove(script) assert removed, script.name() # Then add the new scripts. for script in greasemonkey.all_scripts(): # @run-at (and @include/@exclude/@match) is parsed by # QWebEngineScript. new_script = QWebEngineScript() new_script.setWorldId(QWebEngineScript.MainWorld) new_script.setSourceCode(script.code()) new_script.setName("GM-{}".format(script.name)) new_script.setRunsOnSubFrames(script.runs_on_sub_frames) log.greasemonkey.debug('adding script: {}'.format( new_script.name())) scripts.insert(new_script)
def _initPreviewToTextSync(self): """Initialize the system per items 1, 2, and 4 above.""" # When a web page finishes loading, reinsert our JavaScript. page = self._dock._widget.webEngineView.page() # Insert our scripts into every loaded page. qwebchannel_js = QFile(':/qtwebchannel/qwebchannel.js') if not qwebchannel_js.open(QIODevice.ReadOnly): raise SystemExit('Failed to load qwebchannel.js with error: %s' % qwebchannel_js.errorString()) qwebchannel_js = bytes(qwebchannel_js.readAll()).decode('utf-8') # Set up the QWebChannel. See http://doc.qt.io/qt-5/qtwebchannel-javascript.html. # Run the script containing QWebChannel.js first. beforeScript = QWebEngineScript() beforeScript.setSourceCode(qwebchannel_js + self._jsPreviewSync + self._qtJsInit) beforeScript.setName('qwebchannel.js, previewSync') # Run this JavaScript separated from any JavaScript present in the loaded web page. This provides better security (rogue pages can't access the QWebChannel) and better isolation (handlers, etc. won't conflict, I hope). beforeScript.setWorldId(QWebEngineScript.ApplicationWorld) beforeScript.setInjectionPoint(QWebEngineScript.DocumentCreation) # Per `setWebChannel <http://doc.qt.io/qt-5/qwebenginepage.html#setWebChannel>`_, only one channel is allowed per page. So, don't run this on sub-frames, since it will attempt the creation of more channels for each subframe. beforeScript.setRunsOnSubFrames(False) page.scripts().insert(beforeScript) # Set up the web channel. See https://riverbankcomputing.com/pipermail/pyqt/2015-August/036346.html # and http://stackoverflow.com/questions/28565254/how-to-use-qt-webengine-and-qwebchannel. # For debug, ``set QTWEBENGINE_REMOTE_DEBUGGING=port`` then browse to # http://127.0.0.1:port, where port=60000 works for me. See https://riverbankcomputing.com/pipermail/pyqt/2015-August/036346.html. self.channel = QWebChannel(page) self.channel.registerObject("previewSync", self) # Expose the ``qt.webChannelTransport`` object in the world where these scripts live. page.setWebChannel(self.channel, QWebEngineScript.ApplicationWorld)
def _createWebengineScript(path: Url, name: str, injectionPoint=None, isStylesheet: bool = False) -> QWebEngineScript: if injectionPoint is None: injectionPoint = QWebEngineScript.DocumentCreation script = QWebEngineScript() script_file = QFile(path) if script_file.open(QFile.ReadOnly): script_string = str(script_file.readAll(), 'utf-8') script.setInjectionPoint(injectionPoint) script.setName(name) script.setRunsOnSubFrames(True) script.setWorldId(QWebEngineScript.MainWorld) if isStylesheet: source = ("(function(){" "" "const css = document.createElement('style');\n" "css.type = 'text/css';\n" "css.innerText = `" + script_string.strip() + "`\n" "document.head.appendChild(css);\n" "})()") script.setSourceCode(source) else: script.setSourceCode(script_string) return script
def setupUserScripts(self): # WebChannel for SafeJsWorld script = QWebEngineScript() script.setName('_app_webchannel') script.setInjectionPoint(QWebEngineScript.DocumentCreation) script.setWorldId(WebPage.SafeJsWorld) script.setRunsOnSubFrames(True) script.setSourceCode(Scripts.setupWebChannel()) self._webProfile.scripts().insert(script) # app:restore appRestore = QWebEngineScript() appRestore.setWorldId(WebPage.SafeJsWorld) appRestore.setSourceCode( gVar.appTools.readAllFileContents(':html/restore.user.js')) self._webProfile.scripts().insert(appRestore) # app:speeddial appSpeedDial = QWebEngineScript() appSpeedDial.setWorldId(WebPage.SafeJsWorld) appSpeedDial.setSourceCode(Scripts.setupSpeedDial()) self._webProfile.scripts().insert(appSpeedDial) # document.window object addons documentWindowAddons = QWebEngineScript() documentWindowAddons.setName('_app_window_object') documentWindowAddons.setInjectionPoint( QWebEngineScript.DocumentCreation) documentWindowAddons.setWorldId(WebPage.UnsafeJsWorld) documentWindowAddons.setRunsOnSubFrames(True) documentWindowAddons.setSourceCode(Scripts.setupWindowObject()) self._webProfile.scripts().insert(documentWindowAddons)
def load_css(self, path, name): path = QFile(path) if not path.open(QFile.ReadOnly | QtCore.QFile.Text): return css = path.readAll().data().decode("utf-8") SCRIPT = """ (function() { try { css = document.createElement('style'); css.type = 'text/css'; css.id = "%s"; document.head.appendChild(css); css.innerText = `%s`; } catch(e) {} })() """ % (name, css) script = QWebEngineScript() self.web_page.runJavaScript(SCRIPT, QWebEngineScript.ApplicationWorld) script.setName(name) script.setSourceCode(SCRIPT) script.setInjectionPoint(QWebEngineScript.DocumentReady) script.setRunsOnSubFrames(True) script.setWorldId(QWebEngineScript.ApplicationWorld) self.web_page.scripts().insert(script)
def injectJs(self, source, name): js = QWebEngineScript() js.setName(name) js.setSourceCode(source) js.setInjectionPoint(QWebEngineScript.DocumentCreation) js.setWorldId(QWebEngineScript.MainWorld) js.setRunsOnSubFrames(True) self.scripts().insert(js)
def create_script(src, name): s = QWebEngineScript() s.setName(name) s.setInjectionPoint(QWebEngineScript.DocumentReady) s.setWorldId(QWebEngineScript.ApplicationWorld) s.setRunsOnSubFrames(False) s.setSourceCode(src) return s
def injectJS(self, sourceCode, name): script = QWebEngineScript() script.setSourceCode(sourceCode) script.setName(name) script.setInjectionPoint(QWebEngineScript.DocumentCreation) script.setWorldId(QWebEngineScript.MainWorld) script.setRunsOnSubFrames(True) self.view.page.scripts().insert(script) self.page.scripts().insert(script)
def runScript(self) -> None: # self.page().runJavaScript(navi_scripts, QWebEngineScript.ApplicationWorld) script = QWebEngineScript() script.setName("atcoder-optimizer") script.setSourceCode(navi_script) script.setInjectionPoint(QWebEngineScript.DocumentReady) script.setRunsOnSubFrames(True) script.setWorldId(QWebEngineScript.ApplicationWorld) self.page().scripts().insert(script)
def injectJS(self,sourceCode,name): script = QWebEngineScript(); script.setSourceCode(sourceCode) script.setName(name) script.setInjectionPoint(QWebEngineScript.DocumentCreation) script.setWorldId(QWebEngineScript.MainWorld) script.setRunsOnSubFrames(True) self.view.page.scripts().insert(script) self.page.scripts().insert(script)
def _add_script(script, injection_point): new_script = QWebEngineScript() new_script.setInjectionPoint(injection_point) new_script.setWorldId(QWebEngineScript.MainWorld) new_script.setSourceCode(script.code()) new_script.setName("GM-{}".format(script.name)) new_script.setRunsOnSubFrames(script.runs_on_sub_frames) log.greasemonkey.debug("Adding script: {}" .format(new_script.name())) scripts.insert(new_script)
def inject_script(self): script = QWebEngineScript() script.setSourceCode(''' console.log("hi javascript!"); ''') script.setWorldId(QWebEngineScript.MainWorld) script.setInjectionPoint(QWebEngineScript.DocumentReady) script.setRunsOnSubFrames(False) self.page().scripts().insert(script)
def create_script(name, src, world=QWebEngineScript.ApplicationWorld, injection_point=QWebEngineScript.DocumentReady, on_subframes=True): script = QWebEngineScript() if isinstance(src, bytes): src = src.decode('utf-8') script.setSourceCode(src) script.setName(name) script.setWorldId(world) script.setInjectionPoint(injection_point) script.setRunsOnSubFrames(on_subframes) return script
def _add_script(script, injection_point): new_script = QWebEngineScript() new_script.setInjectionPoint(injection_point) new_script.setWorldId(QWebEngineScript.MainWorld) new_script.setSourceCode(script.code()) new_script.setName("GM-{}".format(script.name)) new_script.setRunsOnSubFrames(script.runs_on_sub_frames) log.greasemonkey.debug("Adding script: {}".format( new_script.name())) scripts.insert(new_script)
def _onloadJS(self, code, name='', injection_point=QWebEngineScript.DocumentReady): script = QWebEngineScript() script.setName(name or ('script_' + str(random())[2:])) script.setSourceCode(code) script.setInjectionPoint(injection_point) script.setWorldId(script.MainWorld) script.setRunsOnSubFrames(False) self.page().scripts().insert(script) self.loadStarted.connect(lambda: self.page().scripts().insert(script))
def webScript(self): """ Public method to create a script object. @return prepared script object @rtype QWebEngineScript """ script = QWebEngineScript() script.setSourceCode("{0}\n{1}".format(bootstrap_js, self.__script)) script.setName(self.fullName()) script.setWorldId(WebBrowserPage.SafeJsWorld) script.setRunsOnSubFrames(not self.__noFrames) return script
def getProfile(self): profile=QWebEngineProfile("myProfile") profile.cachePath="/home/yyk/Desktop/cache" jsFile = constants.QTWEBCHANNELJS_FILE with open(jsFile, encoding="UTF-8") as file: js = file.read() script = QWebEngineScript(); script.setSourceCode(js) script.setName('qwebchannel.js') script.setInjectionPoint(QWebEngineScript.DocumentCreation) script.setWorldId(QWebEngineScript.MainWorld) script.setRunsOnSubFrames(False) profile.scripts().insert(script) return profile
def inject_js(filepath, ipoint=QWebEngineScript.DocumentCreation, iid=QWebEngineScript.ApplicationWorld, sub_frames=False): f = QFile(filepath) assert f.open(QFile.ReadOnly | QFile.Text) src = QTextStream(f).readAll() script = QWebEngineScript() script.setInjectionPoint(ipoint) script.setSourceCode(src) script.setWorldId(iid) script.setRunsOnSubFrames(sub_frames) self.q_profile.scripts().insert(script)
def inject(page, options: dict) -> None: if bindings() == "PyQt5": from PyQt5.QtWebEngineWidgets import QWebEngineScript else: from PySide2.QtWebEngineWidgets import QWebEngineScript script = QWebEngineScript() script.setName(options["name"]) script.setWorldId(QWebEngineScript.MainWorld) script.setInjectionPoint(QWebEngineScript.DocumentCreation) script.setRunsOnSubFrames(True) script.setSourceCode(options["JavaScript"]) print(f"Injecting JavaScript {options['name']}") page.profile().scripts().insert(script)
def getProfile(self): profile = QWebEngineProfile("myProfile") profile.cachePath = "/home/yyk/Desktop/cache" jsFile = constants.QTWEBCHANNELJS_FILE with open(jsFile, encoding="UTF-8") as file: js = file.read() script = QWebEngineScript() script.setSourceCode(js) script.setName('qwebchannel.js') script.setInjectionPoint(QWebEngineScript.DocumentCreation) script.setWorldId(QWebEngineScript.MainWorld) script.setRunsOnSubFrames(False) profile.scripts().insert(script) return profile
def __init__(self): self.log = default_log self.current_frag = None self.com_id = unicode_type(uuid4()) QWebEnginePage.__init__(self) secure_webengine(self.settings(), for_viewer=True) self.titleChanged.connect(self.title_changed) self.loadFinished.connect(self.show_frag) s = QWebEngineScript() s.setName('toc.js') s.setInjectionPoint(QWebEngineScript.InjectionPoint.DocumentReady) s.setRunsOnSubFrames(True) s.setWorldId(QWebEngineScript.ScriptWorldId.ApplicationWorld) s.setSourceCode(P('toc.js', allow_user_override=False, data=True).decode('utf-8').replace('COM_ID', self.com_id)) self.scripts().insert(s)
def inject_javascript_file(self, javascript_file: str) -> NoReturn: if not os.path.exists(javascript_file): raise Exception("javascript file is not exists, filename=%s" % javascript_file) script = QWebEngineScript() with codecs.open(javascript_file, "r", "utf-8") as f: script.setSourceCode(f.read()) script.setName(os.path.basename(javascript_file)) script.setWorldId(QWebEngineScript.MainWorld) script.setInjectionPoint(QWebEngineScript.DocumentCreation) script.setRunsOnSubFrames(False) profile = self._web_engine_view.page().profile() # type: QWebEngineProfile scripts = profile.scripts() # type: QWebEngineScriptCollection scripts.insert(script) logger.info("inject javascript file %s" % javascript_file)
def getProfile(self): path = constants.QWEBENGINECACHE_PATH tryMkdir(path) profile = QWebEngineProfile() profile.setCachePath(path) profile.clearHttpCache() jsFile = constants.QTWEBCHANNELJS_FILE with open(jsFile, encoding="UTF-8") as file: js = file.read() script = QWebEngineScript() script.setSourceCode(js) script.setName('qwebchannel.js') script.setInjectionPoint(QWebEngineScript.DocumentCreation) script.setWorldId(QWebEngineScript.MainWorld) script.setRunsOnSubFrames(False) profile.scripts().insert(script) return profile
def orbitScripts(connParams): scripts = [] jsFile = QFile(':/share/js/orbit-db/orbitdb.js') if not jsFile.open(QFile.ReadOnly): return scriptJsIpfs = QWebEngineScript() scriptJsIpfs.setName('orbit-db') scriptJsIpfs.setSourceCode(jsFile.readAll().data().decode('utf-8')) scriptJsIpfs.setWorldId(QWebEngineScript.MainWorld) scriptJsIpfs.setInjectionPoint(QWebEngineScript.DocumentCreation) scriptJsIpfs.setRunsOnSubFrames(True) scripts.append(scriptJsIpfs) script = QWebEngineScript() script.setSourceCode('\n'.join([ "document.addEventListener('DOMContentLoaded', function () {", "window.orbitdb = new OrbitDB(window.ipfs)", "})" ])) script.setWorldId(QWebEngineScript.MainWorld) return scripts
def ipfsClientScripts(connParams): scripts = [] jsFile = QFile(':/share/js/ipfs-http-client/index.min.js') if not jsFile.open(QFile.ReadOnly): return scriptJsIpfs = QWebEngineScript() scriptJsIpfs.setName('ipfs-http-client') libCode = jsFile.readAll().data().decode('utf-8') libCode += "\n" libCode += ipfsInjScript.format(host=connParams.host, port=connParams.apiPort) scriptJsIpfs.setSourceCode(libCode) scriptJsIpfs.setWorldId(QWebEngineScript.MainWorld) scriptJsIpfs.setInjectionPoint(QWebEngineScript.DocumentCreation) scriptJsIpfs.setRunsOnSubFrames(True) scripts.append(scriptJsIpfs) return scripts
def insertStyleSheet(self): name = "table_style" s = """(function() { css = document.createElement('style'); css.type = 'text/css'; css.id = '%s'; document.head.appendChild(css); css.innerText = '%s'; })()""" % ( name, table_style, ) self.page().runJavaScript(s, QWebEngineScript.ApplicationWorld) script = QWebEngineScript() script.setName(name) script.setSourceCode(s) script.setInjectionPoint(QWebEngineScript.DocumentReady) script.setRunsOnSubFrames(True) script.setWorldId(QWebEngineScript.ApplicationWorld) self.page().scripts().insert(script)
def __init__(self): QWebEngineView.__init__(self) url = QDir().current().filePath( "html/QWebEngineView_07_print_request.html") url = QUrl.fromLocalFile(url) self.setUrl(url) web_channel_js = QWebEngineScript() web_channel_js.setInjectionPoint(QWebEngineScript.DocumentCreation) web_channel_js.setWorldId(QWebEngineScript.MainWorld) web_channel_js.setRunsOnSubFrames(True) web_channel_js_file = QFile(":/qwebchannel") web_channel_js_file.open(QFile.ReadOnly) js = str(web_channel_js_file.readAll(), 'utf-8') web_channel_js.setSourceCode(js) self.page().scripts().insert(web_channel_js) # Javascript window.print()를 오버라이드 # 기본 window.print()는 웹브라우져에게 프린터 다이얼로그를 요청하지만 # 받을 수 없기 때문에 QWebChannel을 통해 받는다. override_js_print = QWebEngineScript() override_js_print.setInjectionPoint(QWebEngineScript.DocumentCreation) override_js_print.setWorldId(QWebEngineScript.MainWorld) override_js_print.setName("oveerridejsprint.js") override_js_print.setRunsOnSubFrames(True) override_js_print.setSourceCode( "window.print = function() { " " new QWebChannel(qt.webChannelTransport, function(channel) { " " handler = channel.objects.handler; " " handler.webToAppRequestPrint(); " " });" "};") self.page().scripts().insert(override_js_print) channel = QWebChannel(self.page()) self.page().setWebChannel(channel) self.handler = CallHandler() channel.registerObject('handler', self.handler) # 시그널슬롯 처리 self.handler.request_print.connect(self.printer)
def setUserStyleSheet(self, filePath): userCss = '' if not const.OS_UNIX and not const.OS_MACOS: # Don't grey out selection on losing focus (to prevent graying out # found text) highlightColor = '' highlightedTextColor = '' if const.OS_MACOS: # TODO: ? can not enter this branch highlightColor = '#b6d6fc' highlightedTextColor = '#000' else: pal = self.style().standardPalette() highlightColor = pal.color(QPalette.Highlight).name() highlightedTextColor = pal.color( QPalette.HighlightedText).name() userCss += "::selection {background: %s; color: %s;} " % \ (highlightColor, highlightedTextColor) userCss += gVar.appTools.readAllFileContents(filePath).replace( '\n', '') name = '_app_userstylesheet' oldScript = self._webProfile.scripts().findScript(name) if not oldScript.isNull(): self._webProfile.scripts().remove(oldScript) if not userCss: return script = QWebEngineScript() script.setName(name) script.setInjectionPoint(QWebEngineScript.DocumentReady) script.setWorldId(WebPage.SafeJsWorld) script.setRunsOnSubFrames(True) script.setSourceCode(Scripts.setCss(userCss)) self._webProfile.scripts().insert(script)
class BalanceView(QWebEngineView): def __init__(self): QWebEngineView.__init__(self) self.index = 0 self.page().loadFinished.connect(self.loadFinished) self.page().loadProgress.connect(self.loadProgress) self.script = QWebEngineScript() self.script.setInjectionPoint(QWebEngineScript.Deferred) self.script.setRunsOnSubFrames(True) self.urlLogin = QUrl("http://reg.163.com/Logout.jsp?url=http://ecard.163.com/account/query_balance") self.urlVerify = QUrl("http://ecard.163.com/handle_login") self.urlBalance = QUrl("http://ecard.163.com/handle_query_verify") self.queryCallBack = None self.setProgress = None def loadFinished(self, isOk): if isOk: requestedUrl = self.page().requestedUrl() if requestedUrl == self.urlLogin: self.page().runJavaScript(""" if(typeof($) != "undefined"){ //#footer,#header,#urs_tab,#phone_tab删掉 $('#footer').remove() $('#header').remove() $('#urs_tab').remove() $('#phone_tab').remove() //.nowbg的class属性删掉 $('.nowbg').removeAttr('class') //#wrap的min-width属性去掉 $('#wrap').css('min-width', 'initial'); //#center的width属性去掉 $('#center').css('width', 'initial'); //#login的border-top,height,position,right,top属性去掉,加margin:auto; $('#login').css('border-top', 'initial'); $('#login').css('height', 'initial'); $('#login').css('position', 'initial'); $('#login').css('right', 'initial'); $('#login').css('top', 'initial'); $('#login').css('margin', 'auto'); } """) elif requestedUrl == self.urlVerify: self.page().runJavaScript(""" //#footer,#header,.situation删掉 $('#footer').remove() $('#header').remove() $('.situation').remove() //#wrap的min-width属性去掉 $('#wrap').css('min-width', 'initial'); //#main的width属性去掉 $('#main').css('width', 'initial'); //.mb-content的margin: 100px auto 78px auto; $('.mb-content').css('margin', '100px auto 78px auto') function verifyFunc(){ if($('.TxtStatus').children().length == 1){ clearInterval(verifyId); $('#query_verify_form').submit(); } } var verifyId = setInterval(verifyFunc, 100); """) elif requestedUrl == self.urlBalance: self.page().runJavaScript("document.getElementsByClassName('red bold')[2].innerText", self.jsCallback) else: print("load error") def loadProgress(self, progress): if self.setProgress: self.setProgress(progress) def setLoadProgress(self, callback): self.setProgress = callback def jsCallback(self, balance): if self.queryCallBack: self.queryCallBack(self.accounts[self.index][0], balance) self.index = self.index + 1 self.startQuery() def setAccounts(self, accounts): self.accounts = accounts def startQuery(self, queryCallBack=None): if queryCallBack: self.queryCallBack = queryCallBack if self.index < len(self.accounts): account = self.accounts[self.index] self.script.setSourceCode(""" var box = document.getElementById('cnt-box'); if(box){ function loginFunc(){ if(box.children.length == 4 && document.getElementById('nerror').children.length == 2){ clearInterval(loginId); email = document.getElementsByName('email');email[0].value='%s'; password = document.getElementsByName('password');password[0].value='%s'; document.getElementById('dologin').click(); } } var loginId = setInterval(loginFunc, 100); function verifyFunc(){ if(document.getElementsByClassName('u-suc').length == 2){ clearInterval(verifyId); document.getElementById('dologin').click(); } } var verifyId = setInterval(verifyFunc, 100); } """ % (account[0], account[1])) self.page().scripts().insert(self.script) self.load(self.urlLogin)
def _build_app(self): if self._inspector: os.environ.setdefault('QTWEBENGINE_REMOTE_DEBUGGING', '8001') # build webengine container self._lensview = lv = _QWebView(inspector=self._inspector) self._page = p = _QWebPage() lv.setPage(self._page) # connect to Qt signals lv.loadFinished.connect(self._loaded_cb) self._app.lastWindowClosed.connect(self._last_window_closed_cb) # build webchannel script and inject qwebchannel_js = QFile(':/qtwebchannel/qwebchannel.js') if not qwebchannel_js.open(QIODevice.ReadOnly): raise SystemExit('Failed to load qwebchannel.js with error: %s' % qwebchannel_js.errorString()) qwebchannel_js = bytes(qwebchannel_js.readAll()).decode('utf-8') script = QWebEngineScript() script.setSourceCode(qwebchannel_js + ''' window.lens = window.lens || {}; window.lens._channel = new QWebChannel(qt.webChannelTransport, function(channel) { window.lens.emit = function() { var args = Array.prototype.slice.call(arguments); if (args.length > 0) { channel.objects.bridge._from_bridge(args); } }; channel.objects.bridge._emit_js_signal.connect(function(name, args) { window.lens.__broadcast(name, args); }); }); ''') script.setName('lens-bridge') script.setWorldId(QWebEngineScript.MainWorld) script.setInjectionPoint(QWebEngineScript.DocumentCreation) script.setRunsOnSubFrames(True) p.profile().scripts().insert(script) self._channel = QWebChannel(p) p.setWebChannel(self._channel) self._channel.registerObject('bridge', self) # set up scheme handlers for app:// and lens:// self._app_scheme_handler = AppSchemeHandler() self._lens_scheme_handler = LensSchemeHandler() self._interceptor = RequestInterceptor() self._profile = QWebEngineProfile().defaultProfile() self._profile.installUrlSchemeHandler('app'.encode(), self._app_scheme_handler) self._profile.installUrlSchemeHandler('lens'.encode(), self._lens_scheme_handler) self._profile.setRequestInterceptor(self._interceptor) # connect to Lens signals self.on('__close_app', self._close_cb) # center on screen _frame_geometry = lv.frameGeometry() _active_screen = self._app.desktop().screenNumber(self._app.desktop().cursor().pos()) _center = self._app.desktop().screenGeometry(_active_screen).center() _frame_geometry.moveCenter(_center) lv.move(_frame_geometry.topLeft()) self.set_title(self._app_name) self.set_size(self._app_width, self._app_height)