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/*
* Copyright (C) 2021 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.
*/
#pragma once
#if ENABLE(WEBXR) && ENABLE(WEBXR_HANDS)
#include "PlatformXR.h"
#include "WebXRInputSource.h"
#include "WebXRJointSpace.h"
#include "WebXRSession.h"
#include "XRHandJoint.h"
#include <wtf/IsoMalloc.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class WebXRHand : public RefCounted<WebXRHand> {
WTF_MAKE_ISO_ALLOCATED(WebXRHand);
public:
static Ref<WebXRHand> create(const WebXRInputSource&);
~WebXRHand();
unsigned size() { return m_size; }
RefPtr<WebXRJointSpace> get(const XRHandJoint& key);
class Iterator {
public:
explicit Iterator(WebXRHand&);
std::optional<KeyValuePair<XRHandJoint, RefPtr<WebXRJointSpace>>> next();
private:
Ref<WebXRHand> m_hand;
size_t m_index { 0 };
};
Iterator createIterator() { return Iterator(*this); }
// For GC reachablitiy.
WebXRSession* session();
private:
WebXRHand(const WebXRInputSource&);
unsigned m_size { 0 };
using HandJointToSpaceMap = HashMap<XRHandJoint, Ref<WebXRJointSpace>, DefaultHash<unsigned>, WTF::UnsignedWithZeroKeyHashTraits<unsigned>>;
HandJointToSpaceMap m_joints;
WeakPtr<WebXRInputSource> m_inputSource;
};
}
#endif