63 lines
2.1 KiB
Plaintext
63 lines
2.1 KiB
Plaintext
/*
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* Copyright (C) 2017-2018 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "config.h"
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#import "WebBackgroundTaskController.h"
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#if PLATFORM(IOS_FAMILY)
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@implementation WebBackgroundTaskController
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+ (WebBackgroundTaskController *)sharedController
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{
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static NeverDestroyed<RetainPtr<WebBackgroundTaskController>> sharedController = adoptNS([[self alloc] init]);
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return sharedController.get().get();
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}
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- (void)dealloc
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{
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[_backgroundTaskStartBlock release];
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[_backgroundTaskEndBlock release];
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[super dealloc];
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}
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- (NSUInteger)startBackgroundTaskWithExpirationHandler:(void (^)())handler
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{
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if (!_backgroundTaskStartBlock)
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return _invalidBackgroundTaskIdentifier;
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return _backgroundTaskStartBlock(handler);
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}
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- (void)endBackgroundTaskWithIdentifier:(NSUInteger)identifier
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{
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if (!_backgroundTaskEndBlock)
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return;
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_backgroundTaskEndBlock(identifier);
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}
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@end
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#endif
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