C++ (Cpp) WebFrameImpl::frameView示例

// FIXME: Remove this code once we have input routing in the browser
// process. See http://crbug.com/339659.
void ChromeClientImpl::forwardInputEvent(
    WebCore::Frame* frame, WebCore::Event* event)
{
    WebFrameImpl* webFrame = WebFrameImpl::fromFrame(toLocalFrameTemporary(frame));

    // This is only called when we have out-of-process iframes, which
    // need to forward input events across processes.
    // FIXME: Add a check for out-of-process iframes enabled.
    if (event->isKeyboardEvent()) {
        WebKeyboardEventBuilder webEvent(*static_cast<WebCore::KeyboardEvent*>(event));
        webFrame->client()->forwardInputEvent(&webEvent);
    } else if (event->isMouseEvent()) {
        WebMouseEventBuilder webEvent(webFrame->frameView(), frame->ownerRenderer(), *static_cast<WebCore::MouseEvent*>(event));
        // Internal Blink events should not be forwarded.
        if (webEvent.type == WebInputEvent::Undefined)
            return;

        webFrame->client()->forwardInputEvent(&webEvent);
    } else if (event->isWheelEvent()) {
        WebMouseWheelEventBuilder webEvent(webFrame->frameView(), frame->ownerRenderer(), *static_cast<WebCore::WheelEvent*>(event));
        if (webEvent.type == WebInputEvent::Undefined)
            return;
        webFrame->client()->forwardInputEvent(&webEvent);
    }
}