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/*
* Copyright (C) 2014 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.
*/
#ifndef ProcessAssertion_h
#define ProcessAssertion_h
#include "PlatformProcessIdentifier.h"
#if PLATFORM(IOS) && !PLATFORM(IOS_SIMULATOR)
#include <wtf/RetainPtr.h>
OBJC_CLASS BKSProcessAssertion;
#endif
namespace WebKit {
enum class AssertionState {
Suspended,
Background,
Foreground
};
class ProcessAssertionClient {
public:
virtual ~ProcessAssertionClient() { };
virtual void assertionWillExpireImminently() = 0;
};
class ProcessAssertion {
public:
ProcessAssertion(PlatformProcessIdentifier, AssertionState);
~ProcessAssertion();
void setClient(ProcessAssertionClient& client) { m_client = &client; }
ProcessAssertionClient* client() { return m_client; }
AssertionState state() const { return m_assertionState; }
void setState(AssertionState);
private:
#if PLATFORM(IOS) && !PLATFORM(IOS_SIMULATOR)
RetainPtr<BKSProcessAssertion> m_assertion;
#endif
AssertionState m_assertionState;
ProcessAssertionClient* m_client { nullptr };
};
class ProcessAndUIAssertion : public ProcessAssertion {
public:
ProcessAndUIAssertion(PlatformProcessIdentifier, AssertionState);
~ProcessAndUIAssertion();
void setClient(ProcessAssertionClient&);
void setState(AssertionState);
};
}
#endif // ProcessAssertion_h
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