C++ QWebHitTestResult::linkElement方法代码示例

void HelpBrowser::onContextMenuRequest( const QPoint & pos )
{
    QMenu menu;

    QWebHitTestResult hitTest = mWebView->page()->mainFrame()->hitTestContent( pos );

    if (!hitTest.linkElement().isNull()) {
        menu.addAction( mWebView->pageAction(QWebPage::CopyLinkToClipboard) );
    }

    menu.addSeparator();

    if (hitTest.isContentEditable() || hitTest.isContentSelected())
        menu.addAction( mWebView->pageAction(QWebPage::Copy) );
    if (hitTest.isContentEditable())
        menu.addAction( mWebView->pageAction(QWebPage::Paste) );
    if (hitTest.isContentSelected())
        menu.addAction( mActions[Evaluate] );

    menu.addSeparator();

    menu.addAction( mWebView->pageAction(QWebPage::Back) );
    menu.addAction( mWebView->pageAction(QWebPage::Forward) );
    menu.addAction( mWebView->pageAction(QWebPage::Reload) );

    menu.addSeparator();

    menu.addAction( mActions[ZoomIn] );
    menu.addAction( mActions[ZoomOut] );
    menu.addAction( mActions[ResetZoom] );

    menu.exec( mWebView->mapToGlobal(pos) );
}

void WebView::contextMenuEvent ( QContextMenuEvent * event )
{
    QMenu menu;

    QPoint pos = event->pos();

    QWebHitTestResult hitTest = page()->mainFrame()->hitTestContent( pos );

    if (!hitTest.linkElement().isNull()) {
        menu.addAction( pageAction(QWebPage::CopyLinkToClipboard) );
        menu.addSeparator();
    }

    if (hitTest.isContentEditable() || hitTest.isContentSelected()) {
        menu.addAction( pageAction(QWebPage::Copy) );
        if (hitTest.isContentEditable())
            menu.addAction( pageAction(QWebPage::Paste) );
        menu.addSeparator();
    }

    menu.addAction( pageAction(QWebPage::Back) );
    menu.addAction( pageAction(QWebPage::Forward) );
    menu.addAction( pageAction(QWebPage::Reload) );

    menu.exec( event->globalPos() );
}

bool LLWebPage::acceptNavigationRequest(QWebFrame* frame, const QNetworkRequest& request, NavigationType type)
{
    if (!window)
        return false;
    if (request.url().scheme() == window->d->mNoFollowScheme)
    {
        QString encodedUrl = request.url().toEncoded();
        // QUrl is turning foo:///home/bar into foo:/home/bar for some reason while Firefox does not
        // http://bugs.webkit.org/show_bug.cgi?id=24695
        if (!encodedUrl.startsWith(window->d->mNoFollowScheme + "://")) {
            encodedUrl = encodedUrl.mid(window->d->mNoFollowScheme.length() + 1);
            encodedUrl = window->d->mNoFollowScheme + "://" + encodedUrl;
        }
        std::string rawUri = encodedUrl.toStdString();
        LLEmbeddedBrowserWindowEvent event(window->getWindowId(), rawUri, rawUri);
	window->d->mEventEmitter.update(&LLEmbeddedBrowserWindowObserver::onClickLinkNoFollow, event);
        return false;
    }
    bool accepted = QWebPage::acceptNavigationRequest(frame, request, type);
    if (accepted && type == QWebPage::NavigationTypeLinkClicked)
    {
		// save URL
        QUrl url = request.url();
        window->d->mClickHref = QString(url.toEncoded()).toStdString();

		// save target attribute
		QWebHitTestResult hitTest = mainFrame()->hitTestContent(currentPoint);
		QString linkTarget = hitTest.linkElement().attribute("target");
		window->d->mClickTarget = linkTarget.toStdString();

		// start off with no target specified
		int link_target_type = LLQtWebKit::LTT_TARGET_UNKNOWN;

		// user clicks on a link with a target that matches the one set as "External"
		if ( window->d->mClickTarget.empty() )
		{
			link_target_type = LLQtWebKit::LTT_TARGET_NONE;
		}
		else
		if ( window->d->mClickTarget == window->d->mExternalTargetName )
		{
			link_target_type = LLQtWebKit::LTT_TARGET_EXTERNAL;
		}
		else
		// user clicks on a link with a target that matches the one set as "Blank"
		if ( window->d->mClickTarget == window->d->mBlankTargetName )
		{
			link_target_type = LLQtWebKit::LTT_TARGET_BLANK;
		}
		else
		{
			// default action for a target we haven't specified is to open in current window
			// and fire an event as if it was a normal click
			window->navigateTo( window->d->mClickHref );

			link_target_type = LLQtWebKit::LTT_TARGET_OTHER;
		};

		// build event based on the data we have and emit it
		LLEmbeddedBrowserWindowEvent event( window->getWindowId(),
											window->getCurrentUri(),
											window->d->mClickHref,
											window->d->mClickTarget,
											link_target_type );

		window->d->mEventEmitter.update( &LLEmbeddedBrowserWindowObserver::onClickLinkHref, event );
	};

    return accepted;
}