/*
 * Copyright (C) 2009 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER OR 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 "NotificationPresenterImpl.h"

#include "WebNotification.h"
#include "WebNotificationPermissionCallback.h"
#include "WebNotificationPresenter.h"
#include "core/dom/ExecutionContext.h"
#include "modules/notifications/NotificationBase.h"
#include "platform/weborigin/SecurityOrigin.h"

using namespace WebCore;

namespace blink {

#if ENABLE(LEGACY_NOTIFICATIONS)
class VoidCallbackClient : public WebNotificationPermissionCallback {
public:
    explicit VoidCallbackClient(PassOwnPtr<VoidCallback> callback)
        : m_callback(callback)
    {
    }

    virtual void permissionRequestComplete()
    {
        if (m_callback)
            m_callback->handleEvent();
        delete this;
    }

private:
    virtual ~VoidCallbackClient() { }

    OwnPtr<VoidCallback> m_callback;
};
#endif // ENABLE(LEGACY_NOTIFICATIONS)

class NotificationPermissionCallbackClient : public WebNotificationPermissionCallback {
public:
    NotificationPermissionCallbackClient(WebNotificationPresenter* presenter, PassRefPtr<SecurityOrigin> securityOrigin, PassOwnPtr<NotificationPermissionCallback> callback)
        : m_presenter(presenter)
        , m_securityOrigin(securityOrigin)
        , m_callback(callback)
    {
    }

    virtual void permissionRequestComplete()
    {
        if (m_callback)
            m_callback->handleEvent(NotificationBase::permissionString(static_cast<NotificationClient::Permission>(m_presenter->checkPermission(WebSecurityOrigin(m_securityOrigin)))));
        delete this;
    }

private:
    virtual ~NotificationPermissionCallbackClient() { }

    WebNotificationPresenter* m_presenter;
    RefPtr<SecurityOrigin> m_securityOrigin;
    OwnPtr<NotificationPermissionCallback> m_callback;
};

void NotificationPresenterImpl::initialize(WebNotificationPresenter* presenter)
{
    m_presenter = presenter;
}

bool NotificationPresenterImpl::isInitialized()
{
    return !!m_presenter;
}

bool NotificationPresenterImpl::show(NotificationBase* notification)
{
    return m_presenter->show(PassRefPtr<NotificationBase>(notification));
}

void NotificationPresenterImpl::cancel(NotificationBase* notification)
{
    m_presenter->cancel(PassRefPtr<NotificationBase>(notification));
}

void NotificationPresenterImpl::notificationObjectDestroyed(NotificationBase* notification)
{
    m_presenter->objectDestroyed(PassRefPtr<NotificationBase>(notification));
}

NotificationClient::Permission NotificationPresenterImpl::checkPermission(ExecutionContext* context)
{
    int result = m_presenter->checkPermission(WebSecurityOrigin(context->securityOrigin()));
    return static_cast<NotificationClient::Permission>(result);
}

#if ENABLE(LEGACY_NOTIFICATIONS)
void NotificationPresenterImpl::requestPermission(ExecutionContext* context, PassOwnPtr<VoidCallback> callback)
{
    m_presenter->requestPermission(WebSecurityOrigin(context->securityOrigin()), new VoidCallbackClient(callback));
}
#endif // ENABLE(LEGACY_NOTIFICATIONS)

void NotificationPresenterImpl::requestPermission(ExecutionContext* context, WTF::PassOwnPtr<NotificationPermissionCallback> callback)
{
    m_presenter->requestPermission(WebSecurityOrigin(context->securityOrigin()), new NotificationPermissionCallbackClient(m_presenter, context->securityOrigin(), callback));
}

} // namespace blink