C++ (Cpp) isInCanvasSubtree示例

示例#1

bool HTMLAnchorElement::isKeyboardFocusable(KeyboardEvent* event) const
{
    if (!isLink())
        return HTMLElement::isKeyboardFocusable(event);

    if (!isFocusable())
        return false;
    
    if (!document()->frame())
        return false;

    if (!document()->frame()->eventHandler()->tabsToLinks(event))
        return false;

    if (isInCanvasSubtree())
        return true;

    return hasNonEmptyBox(renderBoxModelObject());
}

示例#2

文件： HTMLAnchorElement.cpp 项目： Channely/know-your-chrome

bool HTMLAnchorElement::isKeyboardFocusable(KeyboardEvent* event) const
{
    if (!isLink())
        return HTMLElement::isKeyboardFocusable(event);

    if (!isFocusable())
        return false;
    
    Page* page = document()->page();
    if (!page)
        return false;

    if (!page->chrome()->client()->tabsToLinks())
        return false;

    if (isInCanvasSubtree())
        return true;

    return hasNonEmptyBoundingBox();
}