def scriptFromString(name, jsCode):
script = QWebEngineScript()
script.setName(name)
script.setSourceCode(jsCode)
script.setWorldId(QWebEngineScript.MainWorld)
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
return script
def __init__(self): super().__init__() self.init_ui() # 脚本 self.profile = QWebEngineProfile.defaultProfile() self.script = QWebEngineScript() self.prepare_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 setCSS(self):
SCRIPT = """
var style = document.createElement('style');
style.innerHTML = `
._n3{
margin: 0 !important;
width: 100% !important;
display: block !important;
}
._3_pc{
left: 0 !important;
max-width: none !important;
min-width: none !important;
width: 0 !important;
}
._3_pc._30u8{
height: 100vh !important;
max-width: none !important;
min-width: 0 !important;
}
`;
document.head.appendChild(style);
"""
#view.page().runJavaScript(SCRIPT, QWebEngineScript.ApplicationWorld)
#inject script, run on document ready
script = QWebEngineScript()
script.setName("fullScreenGame")
script.setSourceCode(SCRIPT)
script.setInjectionPoint(QWebEngineScript.DocumentReady)
#script.setRunsOnSubFrames(True)
script.setWorldId(QWebEngineScript.ApplicationWorld)
self.page().scripts().insert(script)
def scriptCreator(path, name, page):
script = QWebEngineScript()
f = open(path, 'r')
script.setSourceCode(f.read())
script.setInjectionPoint(QWebEngineScript.DocumentReady)
script.setName(name)
script.setWorldId(QWebEngineScript.MainWorld)
page.scripts().insert(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_webengine_script(path: Url, name: str) -> QWebEngineScript:
script = QWebEngineScript()
script_file = QFile(path)
if script_file.open(QFile.ReadOnly):
script_string = str(script_file.readAll(), 'utf-8')
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
script.setName(name)
script.setWorldId(QWebEngineScript.MainWorld)
script.setSourceCode(script_string)
return 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 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 __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 create_profile():
ans = getattr(create_profile, 'ans', None)
if ans is None:
ans = create_profile.ans = QWebEngineProfile(QApplication.instance())
s = QWebEngineScript()
s.setName('csslint.js')
s.setSourceCode(csslint_js())
s.setWorldId(QWebEngineScript.ApplicationWorld)
ans.scripts().insert(s)
return ans
def ethereumClientScripts(connParams):
scripts = []
jsFile = QFile(':/share/js/web3.min.js')
if not jsFile.open(QFile.ReadOnly):
return None
libCode = jsFile.readAll().data().decode('utf-8')
libCode += "\n"
if connParams.provType == 'http':
libCode += w3ScriptHttp.format(rpcurl=connParams.rpcUrl)
elif connParams.provType == 'websocket':
libCode += w3ScriptWs.format(rpcurl=connParams.rpcUrl)
scriptWeb3 = QWebEngineScript()
scriptWeb3.setName('web3.js')
scriptWeb3.setSourceCode(libCode)
scriptWeb3.setWorldId(QWebEngineScript.MainWorld)
scriptWeb3.setInjectionPoint(QWebEngineScript.DocumentCreation)
scripts.append(scriptWeb3)
return scripts
def _init_js(self):
js_code = '\n'.join([
'"use strict";',
'window._qutebrowser = {};',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
])
script = QWebEngineScript()
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
script.setSourceCode(js_code)
page = self._widget.page()
try:
page.runJavaScript("", QWebEngineScript.ApplicationWorld)
except TypeError:
# We're unable to pass a world to runJavaScript
script.setWorldId(QWebEngineScript.MainWorld)
else:
script.setWorldId(QWebEngineScript.ApplicationWorld)
# FIXME:qtwebengine what about runsOnSubFrames?
page.scripts().insert(script)
def _init_js(self):
js_code = '\n'.join([
'"use strict";',
'window._qutebrowser = window._qutebrowser || {};',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
])
script = QWebEngineScript()
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
script.setSourceCode(js_code)
page = self._widget.page()
script.setWorldId(QWebEngineScript.ApplicationWorld)
# FIXME:qtwebengine what about runsOnSubFrames?
page.scripts().insert(script)
def _init_js(self):
js_code = '\n'.join([
'"use strict";',
'window._qutebrowser = {};',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
])
script = QWebEngineScript()
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
script.setSourceCode(js_code)
page = self._widget.page()
try:
page.runJavaScript("", QWebEngineScript.ApplicationWorld)
except TypeError:
# We're unable to pass a world to runJavaScript
script.setWorldId(QWebEngineScript.MainWorld)
else:
script.setWorldId(QWebEngineScript.ApplicationWorld)
# FIXME:qtwebengine what about runsOnSubFrames?
page.scripts().insert(script)
def _init_js(self):
js_code = '\n'.join([
'"use strict";',
'window._qutebrowser = window._qutebrowser || {};',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
utils.read_file('javascript/caret.js'),
])
script = QWebEngineScript()
# We can't use DocumentCreation here as WORKAROUND for
# https://bugreports.qt.io/browse/QTBUG-66011
script.setInjectionPoint(QWebEngineScript.DocumentReady)
script.setSourceCode(js_code)
page = self._widget.page()
script.setWorldId(QWebEngineScript.ApplicationWorld)
# FIXME:qtwebengine what about runsOnSubFrames?
page.scripts().insert(script)
def execute_in_view(self, view: QWebEngineView):
view.load(Core.QUrl(self.url))
page = view.page()
channel = QWebChannel(view)
page.setWebChannel(channel)
channel.registerObject('app_receiver', self.receiver)
script = QWebEngineScript()
script.setSourceCode(_get_jsinject_dep_code() + self.jscode)
script.setWorldId(QWebEngineScript.MainWorld)
page.profile().scripts().insert(script)
def _init_js(self):
js_code = '\n'.join([
'"use strict";',
'window._qutebrowser = window._qutebrowser || {};',
utils.read_file('javascript/scroll.js'),
utils.read_file('javascript/webelem.js'),
utils.read_file('javascript/caret.js'),
])
script = QWebEngineScript()
# We can't use DocumentCreation here as WORKAROUND for
# https://bugreports.qt.io/browse/QTBUG-66011
script.setInjectionPoint(QWebEngineScript.DocumentReady)
script.setSourceCode(js_code)
page = self._widget.page()
script.setWorldId(QWebEngineScript.ApplicationWorld)
# FIXME:qtwebengine what about runsOnSubFrames?
page.scripts().insert(script)
def _init_webchannel(self):
wc_script = QWebEngineScript()
wc_script.setInjectionPoint(QWebEngineScript.DocumentCreation)
wc_script.setWorldId(QWebEngineScript.MainWorld)
qwebchannel_js = QFile(":/qtwebchannel/qwebchannel.js")
#qwebchannel_js = QFile("/tmp/qwebchannel.js")
if qwebchannel_js.open(QIODevice.ReadOnly):
js_src = bytes(qwebchannel_js.readAll()).decode('utf-8')
## XXX: Sometimes get Uncaught ReferenceError: qt is not defined
#INFO: [:441] Attaching to qt.webChannelTransport
#ERROR:[:442] Uncaught ReferenceError: qt is not defined
js_src += """\n
console.log("Attaching to qt.webChannelTransport");
new QWebChannel(qt.webChannelTransport, function(channel) {
console.log("MADE A NEW QUTEEEEE!!");
window.qute = channel.objects.qute; });"""
wc_script.setSourceCode(js_src)
else:
wc_script = None
log.greasemonkey.error('Failed to load qwebchannel.js with error: '
'%s' % qwebchannel_js.errorString())
scripts = self._widget.page().scripts()
if wc_script: scripts.insert(wc_script)
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 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 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 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 _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_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():
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 _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)
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 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 _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 _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
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 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)
class Browser(QWidget):
def __init__(self):
super().__init__()
self.init_ui()
# 脚本
self.profile = QWebEngineProfile.defaultProfile()
self.script = QWebEngineScript()
self.prepare_script()
def init_ui(self):
self.webView = QWebEngineView()
self.logEdit = QTextEdit()
self.logEdit.setFixedHeight(100)
self.addrEdit = QLineEdit()
self.addrEdit.returnPressed.connect(self.load_url)
self.webView.urlChanged.connect(
lambda i: self.addrEdit.setText(i.toDisplayString()))
self.jsEdit = QLineEdit()
self.jsEdit.setText('inject.js')
loadUrlBtn = QPushButton('加载')
loadUrlBtn.clicked.connect(self.load_url)
chooseJsBtn = QPushButton('选择脚本文件')
chooseJsBtn.clicked.connect(self.choose_js_file)
# 导航/工具
top = QWidget()
top.setFixedHeight(80)
topBox = QVBoxLayout(top)
topBox.setSpacing(0)
topBox.setContentsMargins(5, 0, 0, 5)
progBar = QProgressBar()
progBox = QHBoxLayout()
progBox.addWidget(progBar)
topBox.addLayout(progBox)
naviBox = QHBoxLayout()
naviBox.addWidget(QLabel('网址'))
naviBox.addWidget(self.addrEdit)
naviBox.addWidget(loadUrlBtn)
topBox.addLayout(naviBox)
naviBox = QHBoxLayout()
naviBox.addWidget(QLabel('注入脚本文件'))
naviBox.addWidget(self.jsEdit)
naviBox.addWidget(chooseJsBtn)
topBox.addLayout(naviBox)
self.webView.loadProgress.connect(progBar.setValue)
# 主界面
layout = QVBoxLayout(self)
layout.addWidget(self.webView)
layout.addWidget(top)
layout.addWidget(self.logEdit)
self.show()
self.resize(1024, 900)
self.center()
def center(self):
qr = self.frameGeometry()
cp = QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
self.move(qr.topLeft())
@pyqtSlot()
def load_url(self):
url = self.addrEdit.text().strip()
if not url.lower().startswith('http://') \
and not url.lower().startswith('https://'):
url = 'http://{}'.format(url)
self.load(url)
@pyqtSlot()
def choose_js_file(self):
f, _ = QFileDialog.getOpenFileName(filter="Javascript files(*.js)")
if os.path.isfile(f):
self.jsEdit.setText(f)
self.prepare_script()
def prepare_script(self):
path = self.jsEdit.text().strip()
if not os.path.isfile(path):
self.log('invalid js path')
return
self.profile.scripts().remove(self.script)
with open(path, 'r') as f:
self.script.setSourceCode(f.read())
self.profile.scripts().insert(self.script)
self.log('injected js ready')
def log(self, msg, *args, **kwargs):
m = msg.format(*args, **kwargs)
self.logEdit.append('{} {}'.format(datetime.now().strftime('%H:%M:%S'),
m))
def load(self, url):
self.log(f'loading {url}')
self.addrEdit.setText(url)
self.webView.load(QUrl(url))
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__(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 authenticate_at(self, url, credentials):
script_source = pkg_resources.resource_string(__name__,
"user.js").decode()
script = QWebEngineScript()
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
script.setWorldId(QWebEngineScript.ApplicationWorld)
script.setSourceCode(script_source)
self.page().scripts().insert(script)
if credentials:
logger.info("Initiating autologin", cred=credentials)
for url_pattern, rules in self._auto_fill_rules.items():
script = QWebEngineScript()
script.setInjectionPoint(QWebEngineScript.DocumentReady)
script.setWorldId(QWebEngineScript.ApplicationWorld)
script.setSourceCode(f"""
// ==UserScript==
// @include {url_pattern}
// ==/UserScript==
function autoFill() {{
{get_selectors(rules, credentials)}
setTimeout(autoFill, 1000);
}}
autoFill();
""")
self.page().scripts().insert(script)
self.load(QUrl(url))
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__(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 set_scripts(self):
script = QWebEngineScript()
script.setInjectionPoint(QWebEngineScript.DocumentCreation)
script.setWorldId(QWebEngineScript.MainWorld)
script.setSourceCode("""(function() {
var _old_alert = window.alert;
window.alert = function() {
document.activeElement.innerHTML += "<br>alerting";
_old_alert.apply(window,arguments);
document.activeElement.innerHTML += "<br>done alerting<br>";
};
})();
""")
self.webProfile.scripts().insert(script)