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/*
* Copyright (C) 2008, 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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 SchedulePair_h
#define SchedulePair_h
#include <wtf/HashSet.h>
#include <wtf/RefCounted.h>
#include <wtf/RetainPtr.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
#if PLATFORM(MAC)
OBJC_CLASS NSRunLoop;
#endif
namespace WTF {
class SchedulePair : public RefCounted<SchedulePair> {
public:
static PassRefPtr<SchedulePair> create(CFRunLoopRef runLoop, CFStringRef mode) { return adoptRef(new SchedulePair(runLoop, mode)); }
#if PLATFORM(MAC) && !USE(CFNETWORK)
static PassRefPtr<SchedulePair> create(NSRunLoop* runLoop, CFStringRef mode) { return adoptRef(new SchedulePair(runLoop, mode)); }
NSRunLoop* nsRunLoop() const { return m_nsRunLoop.get(); }
#endif
CFRunLoopRef runLoop() const { return m_runLoop.get(); }
CFStringRef mode() const { return m_mode.get(); }
WTF_EXPORT_PRIVATE bool operator==(const SchedulePair& other) const;
private:
SchedulePair(CFRunLoopRef runLoop, CFStringRef mode)
: m_runLoop(runLoop)
{
if (mode)
m_mode = adoptCF(CFStringCreateCopy(0, mode));
}
#if PLATFORM(MAC) && !USE(CFNETWORK)
WTF_EXPORT_PRIVATE SchedulePair(NSRunLoop*, CFStringRef);
RetainPtr<NSRunLoop*> m_nsRunLoop;
#endif
RetainPtr<CFRunLoopRef> m_runLoop;
RetainPtr<CFStringRef> m_mode;
};
struct SchedulePairHash {
static unsigned hash(const RefPtr<SchedulePair>& pair)
{
uintptr_t hashCodes[2] = { reinterpret_cast<uintptr_t>(pair->runLoop()), pair->mode() ? CFHash(pair->mode()) : 0 };
return StringHasher::hashMemory<sizeof(hashCodes)>(hashCodes);
}
static bool equal(const RefPtr<SchedulePair>& a, const RefPtr<SchedulePair>& b) { return a == b; }
static const bool safeToCompareToEmptyOrDeleted = true;
};
typedef HashSet<RefPtr<SchedulePair>, SchedulePairHash> SchedulePairHashSet;
} // namespace WTF
using WTF::SchedulePair;
using WTF::SchedulePairHashSet;
#endif
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