/*
 * Copyright (C) 2006-2017 Apple Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer. 
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution. 
 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "NavigationAction.h"

#include "Document.h"
#include "Event.h"
#include "FrameLoader.h"

namespace WebCore {

NavigationAction::NavigationAction() = default;
NavigationAction::~NavigationAction() = default;

NavigationAction::NavigationAction(const NavigationAction&) = default;
NavigationAction::NavigationAction(NavigationAction&&) = default;

NavigationAction& NavigationAction::operator=(const NavigationAction&) = default;
NavigationAction& NavigationAction::operator=(NavigationAction&&) = default;

static bool shouldTreatAsSameOriginNavigation(Document& source, const URL& url)
{
    return url.isBlankURL()
        || url.protocolIsData()
        || (url.protocolIsBlob() && source.securityOrigin().canRequest(url));
}

NavigationAction::NavigationAction(Document& source, const ResourceRequest& resourceRequest, InitiatedByMainFrame initiatedByMainFrame, NavigationType type, ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicy, Event* event, const AtomicString& downloadAttribute)
    : m_sourceDocument { makeRefPtr(source) }
    , m_resourceRequest { resourceRequest }
    , m_type { type }
    , m_shouldOpenExternalURLsPolicy { shouldOpenExternalURLsPolicy }
    , m_initiatedByMainFrame { initiatedByMainFrame }
    , m_event { event }
    , m_downloadAttribute { downloadAttribute }
    , m_treatAsSameOriginNavigation { shouldTreatAsSameOriginNavigation(source, resourceRequest.url()) }
{
}

static NavigationType navigationType(FrameLoadType frameLoadType, bool isFormSubmission, bool haveEvent)
{
    if (isFormSubmission)
        return NavigationType::FormSubmitted;
    if (haveEvent)
        return NavigationType::LinkClicked;
    if (isReload(frameLoadType))
        return NavigationType::Reload;
    if (isBackForwardLoadType(frameLoadType))
        return NavigationType::BackForward;
    return NavigationType::Other;
}

NavigationAction::NavigationAction(Document& source, const ResourceRequest& resourceRequest, InitiatedByMainFrame initiatedByMainFrame, FrameLoadType frameLoadType, bool isFormSubmission, Event* event, ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicy, const AtomicString& downloadAttribute)
    : m_sourceDocument { makeRefPtr(source) }
    , m_resourceRequest { resourceRequest }
    , m_type { navigationType(frameLoadType, isFormSubmission, !!event) }
    , m_shouldOpenExternalURLsPolicy { shouldOpenExternalURLsPolicy }
    , m_initiatedByMainFrame { initiatedByMainFrame }
    , m_event { event }
    , m_downloadAttribute { downloadAttribute }
    , m_treatAsSameOriginNavigation { shouldTreatAsSameOriginNavigation(source, resourceRequest.url()) }
{
}

NavigationAction NavigationAction::copyWithShouldOpenExternalURLsPolicy(ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicy) const
{
    NavigationAction result(*this);
    result.m_shouldOpenExternalURLsPolicy = shouldOpenExternalURLsPolicy;
    return result;
}

}