Source/WebKit/UIProcess/Cocoa/DownloadProxyMapCocoa.mm

/*
 * Copyright (C) 2019 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
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#import "config.h"
#import "DownloadProxyMap.h"

#if PLATFORM(IOS_FAMILY)
#import <wtf/BlockPtr.h>
#import <wtf/WeakPtr.h>
#import <UIKit/UIKit.h>
#endif

namespace WebKit {

void DownloadProxyMap::platformCreate()
{
#if PLATFORM(IOS_FAMILY)
    m_backgroundObserver = [[NSNotificationCenter defaultCenter] addObserverForName:UIApplicationDidEnterBackgroundNotification object:[UIApplication sharedApplication] queue:nil usingBlock:makeBlockPtr([weakThis = makeWeakPtr(*this)](NSNotification *) {
        if (!weakThis)
            return;
        weakThis->applicationDidEnterBackground();
    }).get()];
    m_foregroundObserver = [[NSNotificationCenter defaultCenter] addObserverForName:UIApplicationWillEnterForegroundNotification object:[UIApplication sharedApplication] queue:nil usingBlock:makeBlockPtr([weakThis = makeWeakPtr(*this)](NSNotification *) {
        if (!weakThis)
            return;
        weakThis->applicationWillEnterForeground();
    }).get()];
#endif
}

void DownloadProxyMap::platformDestroy()
{
#if PLATFORM(IOS_FAMILY)
    [[NSNotificationCenter defaultCenter] removeObserver:m_backgroundObserver.get()];
    [[NSNotificationCenter defaultCenter] removeObserver:m_foregroundObserver.get()];
#endif
}

} // namespace WebKit