C++ (Cpp) WebNode示例

示例#1

WebNavigationPolicy WebViewHost::decidePolicyForNavigation(
    WebFrame*, const WebURLRequest& request,
    WebNavigationType type, const WebNode& originatingNode,
    WebNavigationPolicy defaultPolicy, bool isRedirect)
{
    WebNavigationPolicy result;
    if (!m_policyDelegateEnabled)
        return defaultPolicy;

    printf("Policy delegate: attempt to load %s with navigation type '%s'",
           URLDescription(request.url()).c_str(), webNavigationTypeToString(type));
    if (!originatingNode.isNull()) {
        fputs(" originating from ", stdout);
        printNodeDescription(originatingNode, 0);
    }
    fputs("\n", stdout);
    if (m_policyDelegateIsPermissive)
        result = WebKit::WebNavigationPolicyCurrentTab;
    else
        result = WebKit::WebNavigationPolicyIgnore;

    if (m_policyDelegateShouldNotifyDone)
        layoutTestController()->policyDelegateDone();
    return result;
}

示例#2

static void printNodeDescription(const WebNode& node, int exception)
{
    if (exception) {
        fputs("ERROR", stdout);
        return;
    }
    if (node.isNull()) {
        fputs("(null)", stdout);
        return;
    }
    fputs(node.nodeName().utf8().data(), stdout);
    const WebNode& parent = node.parentNode();
    if (!parent.isNull()) {
        fputs(" > ", stdout);
        printNodeDescription(parent, 0);
    }
}

示例#3

AccessibilityUIElement* AccessibilityController::findAccessibleElementByIdRecursive(const WebAccessibilityObject& obj, const WebString& id)
{
    if (obj.isNull() || obj.isDetached())
        return 0;

    WebNode node = obj.node();
    if (!node.isNull() && node.isElementNode()) {
        WebElement element = node.to<WebElement>();
        element.getAttribute("id");
        if (element.getAttribute("id") == id) 
            return m_elements.getOrCreate(obj);
    }

    unsigned childCount = obj.childCount();
    for (unsigned i = 0; i < childCount; i++) {
        if (AccessibilityUIElement* result = findAccessibleElementByIdRecursive(obj.childAt(i), id))
            return result;
    }

    return 0;
}

示例#4

void TestRunner::textSurroundingNode(const CppArgumentList& arguments, CppVariant* result)
{
    result->setNull();
    if (arguments.size() < 4 || !arguments[0].isObject() || !arguments[1].isNumber() || !arguments[2].isNumber() || !arguments[3].isNumber())
        return;

    WebNode node;
    if (!WebBindings::getNode(arguments[0].value.objectValue, &node))
        return;

    if (node.isNull() || !node.isTextNode())
        return;

    WebPoint point(arguments[1].toInt32(), arguments[2].toInt32());
    unsigned maxLength = arguments[3].toInt32();

    WebSurroundingText surroundingText;
    surroundingText.initialize(node, point, maxLength);
    if (surroundingText.isNull())
        return;

    result->set(surroundingText.textContent().utf8());
}