C++ FrameLoader::url方法代码示例

void RedirectScheduler::scheduleLocationChange(const String& url, const String& referrer, bool lockHistory, bool lockBackForwardList, bool wasUserGesture)
{
    if (!m_frame->page())
        return;
    if (url.isEmpty())
        return;

    lockBackForwardList = lockBackForwardList || mustLockBackForwardList(m_frame);

    FrameLoader* loader = m_frame->loader();
    
    // If the URL we're going to navigate to is the same as the current one, except for the
    // fragment part, we don't need to schedule the location change.
    KURL parsedURL(ParsedURLString, url);
    if (parsedURL.hasFragmentIdentifier() && equalIgnoringFragmentIdentifier(loader->url(), parsedURL)) {
        loader->changeLocation(loader->completeURL(url), referrer, lockHistory, lockBackForwardList, wasUserGesture);
        return;
    }

    // Handle a location change of a page with no document as a special case.
    // This may happen when a frame changes the location of another frame.
    bool duringLoad = !loader->committedFirstRealDocumentLoad();

    schedule(new ScheduledLocationChange(url, referrer, lockHistory, lockBackForwardList, wasUserGesture, duringLoad));
}

 virtual void fire(Frame* frame)
 {
     FrameLoader* loader = frame->loader();
     if (!m_historySteps) {
         // Special case for go(0) from a frame -> reload only the frame
         loader->urlSelected(loader->url(), "", 0, lockHistory(), lockBackForwardList(), false, SendReferrer);
         return;
     }
     // go(i!=0) from a frame navigates into the history of the frame only,
     // in both IE and NS (but not in Mozilla). We can't easily do that.
     frame->page()->goBackOrForward(m_historySteps);
 }

    virtual void fire(Frame* frame)
    {
        UserGestureIndicator gestureIndicator(wasUserGesture() ? DefinitelyProcessingUserGesture : DefinitelyNotProcessingUserGesture);

        FrameLoader* loader = frame->loader();
        if (!m_historySteps) {
            // Special case for go(0) from a frame -> reload only the frame
            // To follow Firefox and IE's behavior, history reload can only navigate the self frame.
            loader->urlSelected(loader->url(), "_self", 0, lockHistory(), lockBackForwardList(), SendReferrer);
            return;
        }
        // go(i!=0) from a frame navigates into the history of the frame only,
        // in both IE and NS (but not in Mozilla). We can't easily do that.
        frame->page()->goBackOrForward(m_historySteps);
    }

void RedirectScheduler::timerFired(Timer<RedirectScheduler>*)
{
    if (!m_frame->page())
        return;

    if (m_frame->page()->defersLoading())
        return;

    OwnPtr<ScheduledRedirection> redirection(m_scheduledRedirection.release());
    FrameLoader* loader = m_frame->loader();

    switch (redirection->type) {
        case ScheduledRedirection::redirection:
        case ScheduledRedirection::locationChange:
            loader->changeLocation(KURL(ParsedURLString, redirection->url), redirection->referrer,
                redirection->lockHistory, redirection->lockBackForwardList, redirection->wasUserGesture, redirection->wasRefresh);
            return;
        case ScheduledRedirection::historyNavigation:
            if (redirection->historySteps == 0) {
                // Special case for go(0) from a frame -> reload only the frame
                loader->urlSelected(loader->url(), "", 0, redirection->lockHistory, redirection->lockBackForwardList, redirection->wasUserGesture, SendReferrer);
                return;
            }
            // go(i!=0) from a frame navigates into the history of the frame only,
            // in both IE and NS (but not in Mozilla). We can't easily do that.
            m_frame->page()->goBackOrForward(redirection->historySteps);
            return;
        case ScheduledRedirection::formSubmission:
            // The submitForm function will find a target frame before using the redirection timer.
            // Now that the timer has fired, we need to repeat the security check which normally is done when
            // selecting a target, in case conditions have changed. Other code paths avoid this by targeting
            // without leaving a time window. If we fail the check just silently drop the form submission.
            if (!redirection->formState->sourceFrame()->loader()->shouldAllowNavigation(m_frame))
                return;
            loader->loadFrameRequest(redirection->frameRequest, redirection->lockHistory, redirection->lockBackForwardList,
                redirection->event, redirection->formState, SendReferrer);
            return;
    }

    ASSERT_NOT_REACHED();
}

void SecurityOrigin::setForFrame(Frame* frame)
{
    clear();

    FrameLoader* loader = frame->loader();
    const KURL& securityPolicyURL = loader->url();

    if (!securityPolicyURL.isEmpty()) {
        m_protocol = securityPolicyURL.protocol().lower();
        m_host = securityPolicyURL.host().lower();
        m_port = securityPolicyURL.port();
        if (m_port)
            m_portSet = true;

        // data: URLs are not allowed access to anything other than themselves.
        if (m_protocol == "data") {
            m_noAccess = true;
            return;
        }

        // Only in the case of about:blank or javascript: URLs (which create documents using the "about" 
        // protocol) do we want to use the parent or openers URL as the origin.
        if (m_protocol != "about")
            return;
    }

    Frame* openerFrame = frame->tree()->parent();
    if (!openerFrame) {
        openerFrame = loader->opener();
        if (!openerFrame)
            return;
    }

    Document* openerDocument = openerFrame->document();
    if (!openerDocument)
        return;

    *this = openerDocument->securityOrigin();
}

void HistoryController::updateForStandardLoad(HistoryUpdateType updateType)
{
    LOG(History, "WebCoreHistory: Updating History for Standard Load in frame %s", m_frame->loader()->documentLoader()->url().string().ascii().data());

    FrameLoader* frameLoader = m_frame->loader();

    Settings* settings = m_frame->settings();
    bool needPrivacy = !settings || settings->privateBrowsingEnabled();
    const KURL& historyURL = frameLoader->documentLoader()->urlForHistory();

    if (!frameLoader->documentLoader()->isClientRedirect()) {
        if (!historyURL.isEmpty()) {
            if (updateType != UpdateAllExceptBackForwardList)
                updateBackForwardListClippedAtTarget(true);
            if (!needPrivacy) {
                frameLoader->client()->updateGlobalHistory();
                frameLoader->documentLoader()->setDidCreateGlobalHistoryEntry(true);
                if (frameLoader->documentLoader()->unreachableURL().isEmpty())
                    frameLoader->client()->updateGlobalHistoryRedirectLinks();
            }
            if (Page* page = m_frame->page())
                page->setGlobalHistoryItem(needPrivacy ? 0 : page->backForward()->currentItem());
        }
    } else if (frameLoader->documentLoader()->unreachableURL().isEmpty() && m_currentItem) {
        m_currentItem->setURL(frameLoader->documentLoader()->url());
        m_currentItem->setFormInfoFromRequest(frameLoader->documentLoader()->request());
    }

    if (!historyURL.isEmpty() && !needPrivacy) {
        if (Page* page = m_frame->page())
            addVisitedLink(page, historyURL);

        if (!frameLoader->documentLoader()->didCreateGlobalHistoryEntry() && frameLoader->documentLoader()->unreachableURL().isEmpty() && !frameLoader->url().isEmpty())
            frameLoader->client()->updateGlobalHistoryRedirectLinks();
    }
}