Source/WebCore/platform/mediastream/MediaStreamSourceStates.cpp

/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"

#if ENABLE(MEDIA_STREAM)

#include "MediaStreamSourceStates.h"

#include <wtf/NeverDestroyed.h>

namespace WebCore {

const AtomicString& MediaStreamSourceStates::facingMode(MediaStreamSourceStates::VideoFacingMode mode)
{
    static NeverDestroyed<AtomicString> userFacing("user", AtomicString::ConstructFromLiteral);
    static NeverDestroyed<AtomicString> environmentFacing("environment", AtomicString::ConstructFromLiteral);
    static NeverDestroyed<AtomicString> leftFacing("left", AtomicString::ConstructFromLiteral);
    static NeverDestroyed<AtomicString> rightFacing("right", AtomicString::ConstructFromLiteral);
    
    switch (mode) {
    case MediaStreamSourceStates::User:
        return userFacing;
    case MediaStreamSourceStates::Environment:
        return environmentFacing;
    case MediaStreamSourceStates::Left:
        return leftFacing;
    case MediaStreamSourceStates::Right:
        return rightFacing;
    case MediaStreamSourceStates::Unknown:
        return emptyAtom;
    }
    
    ASSERT_NOT_REACHED();
    return emptyAtom;
}

const AtomicString& MediaStreamSourceStates::sourceType(MediaStreamSourceStates::SourceType sourceType)
{
    static NeverDestroyed<AtomicString> none("none", AtomicString::ConstructFromLiteral);
    static NeverDestroyed<AtomicString> camera("camera", AtomicString::ConstructFromLiteral);
    static NeverDestroyed<AtomicString> microphone("microphone", AtomicString::ConstructFromLiteral);
    
    switch (sourceType) {
    case MediaStreamSourceStates::None:
        return none;
    case MediaStreamSourceStates::Camera:
        return camera;
    case MediaStreamSourceStates::Microphone:
        return microphone;
    }
    
    ASSERT_NOT_REACHED();
    return emptyAtom;
}

} // namespace WebCore

#endif // ENABLE(MEDIA_STREAM)