Source/WebKit/WebProcess/Notifications/WebNotificationManager.cpp

/*
 * Copyright (C) 2011, 2012, 2013 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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
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 */

#include "config.h"
#include "WebNotificationManager.h"

#include "WebCoreArgumentCoders.h"
#include "WebPage.h"
#include "WebProcess.h"
#include "WebProcessCreationParameters.h"

#if ENABLE(NOTIFICATIONS)
#include "NetworkProcessConnection.h"
#include "NotificationManagerMessageHandlerMessages.h"
#include "WebNotification.h"
#include "WebNotificationManagerMessages.h"
#include "WebPageProxyMessages.h"
#include <WebCore/Document.h>
#include <WebCore/Notification.h>
#include <WebCore/NotificationData.h>
#include <WebCore/Page.h>
#include <WebCore/RuntimeEnabledFeatures.h>
#include <WebCore/ScriptExecutionContext.h>
#include <WebCore/SecurityOrigin.h>
#include <WebCore/Settings.h>
#include <WebCore/UserGestureIndicator.h>
#endif

namespace WebKit {
using namespace WebCore;

const char* WebNotificationManager::supplementName()
{
    return "WebNotificationManager";
}

WebNotificationManager::WebNotificationManager(WebProcess& process)
    : m_process(process)
{
#if ENABLE(NOTIFICATIONS)
    m_process.addMessageReceiver(Messages::WebNotificationManager::messageReceiverName(), *this);
#endif
}

WebNotificationManager::~WebNotificationManager()
{
}

void WebNotificationManager::initialize(const WebProcessCreationParameters& parameters)
{
#if ENABLE(NOTIFICATIONS)
    m_permissionsMap = parameters.notificationPermissions;
#else
    UNUSED_PARAM(parameters);
#endif
}

void WebNotificationManager::didUpdateNotificationDecision(const String& originString, bool allowed)
{
#if ENABLE(NOTIFICATIONS)
    m_permissionsMap.set(originString, allowed);
#else
    UNUSED_PARAM(originString);
    UNUSED_PARAM(allowed);
#endif
}

void WebNotificationManager::didRemoveNotificationDecisions(const Vector<String>& originStrings)
{
#if ENABLE(NOTIFICATIONS)
    for (auto& originString : originStrings)
        m_permissionsMap.remove(originString);
#else
    UNUSED_PARAM(originStrings);
#endif
}

NotificationClient::Permission WebNotificationManager::policyForOrigin(const String& originString) const
{
#if ENABLE(NOTIFICATIONS)
    if (!originString)
        return NotificationClient::Permission::Default;

    auto it = m_permissionsMap.find(originString);
    if (it != m_permissionsMap.end())
        return it->value ? NotificationClient::Permission::Granted : NotificationClient::Permission::Denied;
#else
    UNUSED_PARAM(originString);
#endif
    
    return NotificationClient::Permission::Default;
}

void WebNotificationManager::removeAllPermissionsForTesting()
{
#if ENABLE(NOTIFICATIONS)
    m_permissionsMap.clear();
#endif
}

#if ENABLE(NOTIFICATIONS)
template<typename U> bool sendNotificationMessage(WebProcess& process, U&& message, WebPage& page)
{
#if ENABLE(BUILT_IN_NOTIFICATIONS)
    if (RuntimeEnabledFeatures::sharedFeatures().builtInNotificationsEnabled())
        return process.ensureNetworkProcessConnection().connection().send(WTFMove(message), page.sessionID().toUInt64());
#endif
    return process.parentProcessConnection()->send(WTFMove(message), page.identifier());
}
#endif // ENABLE(NOTIFICATIONS)

bool WebNotificationManager::show(Notification& notification, WebPage* page)
{
#if ENABLE(NOTIFICATIONS)
    if (!page->corePage()->settings().notificationsEnabled())
        return false;

    m_notificationIDMap.set(notification.identifier(), &notification);

    sendNotificationMessage(m_process, Messages::NotificationManagerMessageHandler::ShowNotification(notification.data()), *page);
    return true;
#else
    UNUSED_PARAM(notification);
    UNUSED_PARAM(page);
    return false;
#endif
}

void WebNotificationManager::cancel(Notification& notification, WebPage* page)
{
#if ENABLE(NOTIFICATIONS)
    if (!page->corePage()->settings().notificationsEnabled())
        return;

    auto mappedNotification = m_notificationIDMap.get(notification.identifier());
    if (!mappedNotification)
        return;
    ASSERT(mappedNotification == &notification);

    sendNotificationMessage(m_process, Messages::NotificationManagerMessageHandler::CancelNotification(notification.identifier()), *page);
#else
    UNUSED_PARAM(notification);
    UNUSED_PARAM(page);
#endif
}

void WebNotificationManager::didDestroyNotification(Notification& notification, WebPage* page)
{
#if ENABLE(NOTIFICATIONS)
    Ref protectedNotification { notification };

    auto takenNotification = m_notificationIDMap.take(notification.identifier());
    if (!takenNotification)
        return;
    ASSERT(takenNotification == &notification);

    sendNotificationMessage(m_process, Messages::NotificationManagerMessageHandler::DidDestroyNotification(notification.identifier()), *page);
#else
    UNUSED_PARAM(notification);
    UNUSED_PARAM(page);
#endif
}

void WebNotificationManager::didShowNotification(const UUID& notificationID)
{
#if ENABLE(NOTIFICATIONS)
    RefPtr<Notification> notification = m_notificationIDMap.get(notificationID);
    if (!notification)
        return;

    notification->dispatchShowEvent();
#else
    UNUSED_PARAM(notificationID);
#endif
}

void WebNotificationManager::didClickNotification(const UUID& notificationID)
{
#if ENABLE(NOTIFICATIONS)
    RefPtr<Notification> notification = m_notificationIDMap.get(notificationID);
    if (!notification)
        return;

    // Indicate that this event is being dispatched in reaction to a user's interaction with a platform notification.
    UserGestureIndicator indicator(ProcessingUserGesture);
    notification->dispatchClickEvent();
#else
    UNUSED_PARAM(notificationID);
#endif
}

void WebNotificationManager::didCloseNotifications(const Vector<UUID>& notificationIDs)
{
#if ENABLE(NOTIFICATIONS)
    size_t count = notificationIDs.size();
    for (size_t i = 0; i < count; ++i) {
        auto notificationID = notificationIDs[i];

        RefPtr<Notification> notification = m_notificationIDMap.take(notificationID);
        if (!notification)
            continue;

        notification->dispatchCloseEvent();
    }
#else
    UNUSED_PARAM(notificationIDs);
#endif
}

} // namespace WebKit