Source/WebCore/accessibility/AccessibilityMediaObject.h

/*
 * Copyright (C) 2017 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 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
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#pragma once

#if PLATFORM(IOS_FAMILY)

#include "AccessibilityRenderObject.h"

namespace WebCore {
    
class AccessibilityMediaObject final : public AccessibilityRenderObject {
public:
    static Ref<AccessibilityMediaObject> create(RenderObject*);
    virtual ~AccessibilityMediaObject();
    
    void enterFullscreen() const;
    void toggleMute();
    
    bool hasControlsAttributeSet() const;
    String interactiveVideoDuration() const;
    bool isPlaying() const;
    bool isAutoplayEnabled() const;
    bool isPlayingInline() const;
    bool isMuted() const;

private:
    enum AXSeekDirection { AXSeekForward, AXSeekBackward };
    explicit AccessibilityMediaObject(RenderObject*);
    bool computeAccessibilityIsIgnored() const final;
    bool isMediaObject() const final { return true; }
    
    String stringValue() const override;
    bool press() override;
    void increment() override;
    void decrement() override;
    
    HTMLMediaElement* mediaElement() const;
    
    void mediaSeek(AXSeekDirection);
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_ACCESSIBILITY(AccessibilityMediaObject, isMediaObject())
#endif // PLATFORM(IOS_FAMILY)