Documentation/Source/eric6.WebBrowser.WebBrowserPage.html

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<h1>eric6.WebBrowser.WebBrowserPage</h1>
<p>
Module implementing the helpbrowser using QWebView.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#WebBrowserPage">WebBrowserPage</a></td>
<td>Class implementing an enhanced web page.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="WebBrowserPage" ID="WebBrowserPage"></a>
<h2>WebBrowserPage</h2>
<p>
    Class implementing an enhanced web page.
</p><h3>Signals</h3>
<dl>
<dt>navigationRequestAccepted(url, navigation type, main frame)</dt>
<dd>
emitted
        to signal an accepted navigation request
</dd><dt>printPageRequested()</dt>
<dd>
emitted to indicate a print request of the
        shown web page
</dd><dt>safeBrowsingAbort()</dt>
<dd>
emitted to indicate an abort due to a safe
        browsing event
</dd><dt>safeBrowsingBad(threatType, threatMessages)</dt>
<dd>
emitted to indicate a
        malicious web site as determined by safe browsing
</dd>
</dl>
<h3>Derived from</h3>
QWebEnginePage
<h3>Class Attributes</h3>
<table>
<tr><td>SafeJsWorld</td></tr><tr><td>UnsafeJsWorld</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr>
<td><a href="#WebBrowserPage.setUserAgent">setUserAgent</a></td>
<td>Class method to set the global user agent string.</td>
</tr><tr>
<td><a href="#WebBrowserPage.userAgent">userAgent</a></td>
<td>Class method to get the global user agent setting.</td>
</tr><tr>
<td><a href="#WebBrowserPage.userAgentForUrl">userAgentForUrl</a></td>
<td>Class method to determine the user agent for the given URL.</td>
</tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#WebBrowserPage.__init__">WebBrowserPage</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#WebBrowserPage.__contentsSizeChanged">__contentsSizeChanged</a></td>
<td>Private slot to work around QWebEnginePage not scrolling to anchors when opened in a background tab.</td>
</tr><tr>
<td><a href="#WebBrowserPage.__featurePermissionRequested">__featurePermissionRequested</a></td>
<td>Private slot handling a feature permission request.</td>
</tr><tr>
<td><a href="#WebBrowserPage.__fullScreenRequested">__fullScreenRequested</a></td>
<td>Private slot handling a full screen request.</td>
</tr><tr>
<td><a href="#WebBrowserPage.__registerProtocolHandlerRequested">__registerProtocolHandlerRequested</a></td>
<td>Private slot to handle the registration of a custom protocol handler.</td>
</tr><tr>
<td><a href="#WebBrowserPage.__setupChannelTimeout">__setupChannelTimeout</a></td>
<td>Private slot to initiate the setup of the web channel.</td>
</tr><tr>
<td><a href="#WebBrowserPage.__setupWebChannelForUrl">__setupWebChannelForUrl</a></td>
<td>Private method to setup a web channel to our external object.</td>
</tr><tr>
<td><a href="#WebBrowserPage.__urlChanged">__urlChanged</a></td>
<td>Private slot to handle changes of the URL.</td>
</tr><tr>
<td><a href="#WebBrowserPage.acceptNavigationRequest">acceptNavigationRequest</a></td>
<td>Public method to determine, if a request may be accepted.</td>
</tr><tr>
<td><a href="#WebBrowserPage.certificateError">certificateError</a></td>
<td>Public method to handle SSL certificate errors.</td>
</tr><tr>
<td><a href="#WebBrowserPage.execJavaScript">execJavaScript</a></td>
<td>Public method to execute a JavaScript function synchroneously.</td>
</tr><tr>
<td><a href="#WebBrowserPage.execPrintPage">execPrintPage</a></td>
<td>Public method to execute a synchronous print.</td>
</tr><tr>
<td><a href="#WebBrowserPage.getSafeBrowsingStatus">getSafeBrowsingStatus</a></td>
<td>Public method to get the safe browsing status of the current page.</td>
</tr><tr>
<td><a href="#WebBrowserPage.hitTestContent">hitTestContent</a></td>
<td>Public method to test the content at a specified position.</td>
</tr><tr>
<td><a href="#WebBrowserPage.icon">icon</a></td>
<td>Public method to get the web site icon.</td>
</tr><tr>
<td><a href="#WebBrowserPage.isJavaScriptEnabled">isJavaScriptEnabled</a></td>
<td>Public method to test, if JavaScript is enabled.</td>
</tr><tr>
<td><a href="#WebBrowserPage.javaScriptConsoleMessage">javaScriptConsoleMessage</a></td>
<td>Public method to show a console message.</td>
</tr><tr>
<td><a href="#WebBrowserPage.mapToViewport">mapToViewport</a></td>
<td>Public method to map a position to the viewport.</td>
</tr><tr>
<td><a href="#WebBrowserPage.printCallback">printCallback</a></td>
<td></td>
</tr><tr>
<td><a href="#WebBrowserPage.registerProtocolHandlerRequestScheme">registerProtocolHandlerRequestScheme</a></td>
<td>Public method to get the registered protocol handler request scheme.</td>
</tr><tr>
<td><a href="#WebBrowserPage.registerProtocolHandlerRequestUrl">registerProtocolHandlerRequestUrl</a></td>
<td>Public method to get the registered protocol handler request URL.</td>
</tr><tr>
<td><a href="#WebBrowserPage.resultCallback">resultCallback</a></td>
<td></td>
</tr><tr>
<td><a href="#WebBrowserPage.runJavaScript">runJavaScript</a></td>
<td>Public method to run a script in the context of the page.</td>
</tr><tr>
<td><a href="#WebBrowserPage.scroll">scroll</a></td>
<td>Public method to scroll by the given amount of pixels.</td>
</tr><tr>
<td><a href="#WebBrowserPage.scrollPosition">scrollPosition</a></td>
<td>Public method to get the scroll position of the web page.</td>
</tr><tr>
<td><a href="#WebBrowserPage.scrollTo">scrollTo</a></td>
<td>Public method to scroll to the given position.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="WebBrowserPage.setUserAgent" ID="WebBrowserPage.setUserAgent"></a>
<h4>WebBrowserPage.setUserAgent (class method)</h4>
<b>setUserAgent</b>(<i>agent</i>)
<p>
        Class method to set the global user agent string.
</p><dl>
<dt><i>agent</i></dt>
<dd>
new current user agent string (string)
</dd>
</dl><a NAME="WebBrowserPage.userAgent" ID="WebBrowserPage.userAgent"></a>
<h4>WebBrowserPage.userAgent (class method)</h4>
<b>userAgent</b>(<i>resolveEmpty=False</i>)
<p>
        Class method to get the global user agent setting.
</p><dl>
<dt><i>resolveEmpty</i></dt>
<dd>
flag indicating to resolve an empty
            user agent (boolean)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
user agent string (string)
</dd>
</dl><a NAME="WebBrowserPage.userAgentForUrl" ID="WebBrowserPage.userAgentForUrl"></a>
<h4>WebBrowserPage.userAgentForUrl (class method)</h4>
<b>userAgentForUrl</b>(<i>url</i>)
<p>
        Class method to determine the user agent for the given URL.
</p><dl>
<dt><i>url</i></dt>
<dd>
URL to determine user agent for (QUrl)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
user agent string (string)
</dd>
</dl><a NAME="WebBrowserPage.__init__" ID="WebBrowserPage.__init__"></a>
<h4>WebBrowserPage (Constructor)</h4>
<b>WebBrowserPage</b>(<i>parent=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>parent</i></dt>
<dd>
parent widget of this window (QWidget)
</dd>
</dl><a NAME="WebBrowserPage.__contentsSizeChanged" ID="WebBrowserPage.__contentsSizeChanged"></a>
<h4>WebBrowserPage.__contentsSizeChanged</h4>
<b>__contentsSizeChanged</b>(<i>size</i>)
<p>
        Private slot to work around QWebEnginePage not scrolling to anchors
        when opened in a background tab.
</p><dl>
<dt><i>size</i> (QSize)</dt>
<dd>
changed contents size (unused)
</dd>
</dl><a NAME="WebBrowserPage.__featurePermissionRequested" ID="WebBrowserPage.__featurePermissionRequested"></a>
<h4>WebBrowserPage.__featurePermissionRequested</h4>
<b>__featurePermissionRequested</b>(<i>url, feature</i>)
<p>
        Private slot handling a feature permission request.
</p><dl>
<dt><i>url</i> (QUrl)</dt>
<dd>
url requesting the feature
</dd><dt><i>feature</i> (QWebEnginePage.Feature)</dt>
<dd>
requested feature
</dd>
</dl><a NAME="WebBrowserPage.__fullScreenRequested" ID="WebBrowserPage.__fullScreenRequested"></a>
<h4>WebBrowserPage.__fullScreenRequested</h4>
<b>__fullScreenRequested</b>(<i>request</i>)
<p>
        Private slot handling a full screen request.
</p><dl>
<dt><i>request</i> (QWebEngineFullScreenRequest)</dt>
<dd>
reference to the full screen request
</dd>
</dl><a NAME="WebBrowserPage.__registerProtocolHandlerRequested" ID="WebBrowserPage.__registerProtocolHandlerRequested"></a>
<h4>WebBrowserPage.__registerProtocolHandlerRequested</h4>
<b>__registerProtocolHandlerRequested</b>(<i>request</i>)
<p>
        Private slot to handle the registration of a custom protocol handler.
</p><dl>
<dt><i>request</i> (QWebEngineRegisterProtocolHandlerRequest)</dt>
<dd>
reference to the registration request
</dd>
</dl><a NAME="WebBrowserPage.__setupChannelTimeout" ID="WebBrowserPage.__setupChannelTimeout"></a>
<h4>WebBrowserPage.__setupChannelTimeout</h4>
<b>__setupChannelTimeout</b>(<i></i>)
<p>
        Private slot to initiate the setup of the web channel.
</p><a NAME="WebBrowserPage.__setupWebChannelForUrl" ID="WebBrowserPage.__setupWebChannelForUrl"></a>
<h4>WebBrowserPage.__setupWebChannelForUrl</h4>
<b>__setupWebChannelForUrl</b>(<i>url</i>)
<p>
        Private method to setup a web channel to our external object.
</p><dl>
<dt><i>url</i> (QUrl)</dt>
<dd>
URL for which to setup the web channel
</dd>
</dl><a NAME="WebBrowserPage.__urlChanged" ID="WebBrowserPage.__urlChanged"></a>
<h4>WebBrowserPage.__urlChanged</h4>
<b>__urlChanged</b>(<i>url</i>)
<p>
        Private slot to handle changes of the URL.
</p><dl>
<dt><i>url</i> (QUrl)</dt>
<dd>
new URL
</dd>
</dl><a NAME="WebBrowserPage.acceptNavigationRequest" ID="WebBrowserPage.acceptNavigationRequest"></a>
<h4>WebBrowserPage.acceptNavigationRequest</h4>
<b>acceptNavigationRequest</b>(<i>url, type_, isMainFrame</i>)
<p>
        Public method to determine, if a request may be accepted.
</p><dl>
<dt><i>url</i> (QUrl)</dt>
<dd>
URL to navigate to
</dd><dt><i>type_</i> (QWebEnginePage.NavigationType)</dt>
<dd>
type of the navigation request
</dd><dt><i>isMainFrame</i> (bool)</dt>
<dd>
flag indicating, that the request originated from
            the main frame
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating acceptance
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="WebBrowserPage.certificateError" ID="WebBrowserPage.certificateError"></a>
<h4>WebBrowserPage.certificateError</h4>
<b>certificateError</b>(<i>error</i>)
<p>
        Public method to handle SSL certificate errors.
</p><dl>
<dt><i>error</i> (QWebEngineCertificateError)</dt>
<dd>
object containing the certificate error information
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating to ignore this error
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="WebBrowserPage.execJavaScript" ID="WebBrowserPage.execJavaScript"></a>
<h4>WebBrowserPage.execJavaScript</h4>
<b>execJavaScript</b>(<i>script, worldId=QWebEngineScript.MainWorld, timeout=500</i>)
<p>
        Public method to execute a JavaScript function synchroneously.
</p><dl>
<dt><i>script</i> (str)</dt>
<dd>
JavaScript script source to be executed
</dd><dt><i>worldId</i> (int)</dt>
<dd>
ID to run the script under
</dd><dt><i>timeout</i> (int)</dt>
<dd>
max. time the script is given to execute
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
result of the script
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
depending upon script result
</dd>
</dl><a NAME="WebBrowserPage.execPrintPage" ID="WebBrowserPage.execPrintPage"></a>
<h4>WebBrowserPage.execPrintPage</h4>
<b>execPrintPage</b>(<i>printer, timeout=1000</i>)
<p>
        Public method to execute a synchronous print.
</p><dl>
<dt><i>printer</i> (QPrinter)</dt>
<dd>
reference to the printer object
</dd><dt><i>timeout</i> (int)</dt>
<dd>
timeout value in milliseconds
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating a successful print job
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="WebBrowserPage.getSafeBrowsingStatus" ID="WebBrowserPage.getSafeBrowsingStatus"></a>
<h4>WebBrowserPage.getSafeBrowsingStatus</h4>
<b>getSafeBrowsingStatus</b>(<i></i>)
<p>
        Public method to get the safe browsing status of the current page.
</p><dl>
<dt>Returns:</dt>
<dd>
flag indicating a safe site
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="WebBrowserPage.hitTestContent" ID="WebBrowserPage.hitTestContent"></a>
<h4>WebBrowserPage.hitTestContent</h4>
<b>hitTestContent</b>(<i>pos</i>)
<p>
        Public method to test the content at a specified position.
</p><dl>
<dt><i>pos</i> (QPoint)</dt>
<dd>
position to execute the test at
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
test result object
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
WebHitTestResult
</dd>
</dl><a NAME="WebBrowserPage.icon" ID="WebBrowserPage.icon"></a>
<h4>WebBrowserPage.icon</h4>
<b>icon</b>(<i></i>)
<p>
            Public method to get the web site icon.
</p><dl>
<dt>Returns:</dt>
<dd>
web site icon
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
QIcon
</dd>
</dl><a NAME="WebBrowserPage.isJavaScriptEnabled" ID="WebBrowserPage.isJavaScriptEnabled"></a>
<h4>WebBrowserPage.isJavaScriptEnabled</h4>
<b>isJavaScriptEnabled</b>(<i></i>)
<p>
        Public method to test, if JavaScript is enabled.
</p><dl>
<dt>Returns:</dt>
<dd>
flag indicating the state of the JavaScript support
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="WebBrowserPage.javaScriptConsoleMessage" ID="WebBrowserPage.javaScriptConsoleMessage"></a>
<h4>WebBrowserPage.javaScriptConsoleMessage</h4>
<b>javaScriptConsoleMessage</b>(<i>level, message, lineNumber, sourceId</i>)
<p>
        Public method to show a console message.
</p><dl>
<dt><i>level</i> (QWebEnginePage.JavaScriptConsoleMessageLevel)</dt>
<dd>
severity
</dd><dt><i>message</i> (str)</dt>
<dd>
message to be shown
</dd><dt><i>lineNumber</i> (int)</dt>
<dd>
line number of an error
</dd><dt><i>sourceId</i> (str)</dt>
<dd>
source URL causing the error
</dd>
</dl><a NAME="WebBrowserPage.mapToViewport" ID="WebBrowserPage.mapToViewport"></a>
<h4>WebBrowserPage.mapToViewport</h4>
<b>mapToViewport</b>(<i>pos</i>)
<p>
        Public method to map a position to the viewport.
</p><dl>
<dt><i>pos</i> (QPoint)</dt>
<dd>
position to be mapped
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
viewport position
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
QPoint
</dd>
</dl><a NAME="WebBrowserPage.printCallback" ID="WebBrowserPage.printCallback"></a>
<h4>WebBrowserPage.printCallback</h4>
<b>printCallback</b>(<i>resDict=resultDict</i>)
<a NAME="WebBrowserPage.registerProtocolHandlerRequestScheme" ID="WebBrowserPage.registerProtocolHandlerRequestScheme"></a>
<h4>WebBrowserPage.registerProtocolHandlerRequestScheme</h4>
<b>registerProtocolHandlerRequestScheme</b>(<i></i>)
<p>
        Public method to get the registered protocol handler request scheme.
</p><dl>
<dt>Returns:</dt>
<dd>
registered protocol handler request scheme
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl><a NAME="WebBrowserPage.registerProtocolHandlerRequestUrl" ID="WebBrowserPage.registerProtocolHandlerRequestUrl"></a>
<h4>WebBrowserPage.registerProtocolHandlerRequestUrl</h4>
<b>registerProtocolHandlerRequestUrl</b>(<i></i>)
<p>
        Public method to get the registered protocol handler request URL.
</p><dl>
<dt>Returns:</dt>
<dd>
registered protocol handler request URL
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
QUrl
</dd>
</dl><a NAME="WebBrowserPage.resultCallback" ID="WebBrowserPage.resultCallback"></a>
<h4>WebBrowserPage.resultCallback</h4>
<b>resultCallback</b>(<i>resDict=resultDict</i>)
<a NAME="WebBrowserPage.runJavaScript" ID="WebBrowserPage.runJavaScript"></a>
<h4>WebBrowserPage.runJavaScript</h4>
<b>runJavaScript</b>(<i>script, worldId=-1, callback=None</i>)
<p>
        Public method to run a script in the context of the page.
</p><dl>
<dt><i>script</i> (str)</dt>
<dd>
JavaScript script source to be executed
</dd><dt><i>worldId</i> (int)</dt>
<dd>
ID to run the script under
</dd><dt><i>callback</i> (function)</dt>
<dd>
callback function to be executed when the script has
            ended
</dd>
</dl><a NAME="WebBrowserPage.scroll" ID="WebBrowserPage.scroll"></a>
<h4>WebBrowserPage.scroll</h4>
<b>scroll</b>(<i>x, y</i>)
<p>
        Public method to scroll by the given amount of pixels.
</p><dl>
<dt><i>x</i> (int)</dt>
<dd>
horizontal scroll value
</dd><dt><i>y</i> (int)</dt>
<dd>
vertical scroll value
</dd>
</dl><a NAME="WebBrowserPage.scrollPosition" ID="WebBrowserPage.scrollPosition"></a>
<h4>WebBrowserPage.scrollPosition</h4>
<b>scrollPosition</b>(<i></i>)
<p>
            Public method to get the scroll position of the web page.
</p><dl>
<dt>Returns:</dt>
<dd>
scroll position
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
QPointF
</dd>
</dl><a NAME="WebBrowserPage.scrollTo" ID="WebBrowserPage.scrollTo"></a>
<h4>WebBrowserPage.scrollTo</h4>
<b>scrollTo</b>(<i>pos</i>)
<p>
        Public method to scroll to the given position.
</p><dl>
<dt><i>pos</i> (QPointF)</dt>
<dd>
position to scroll to
</dd>
</dl>
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