#pragma once
#include "CSSValue.h"
#include "FloatSize.h"
#include "Image.h"
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/TypeCasts.h>
namespace WebCore {
class CachedImage;
class CachedResourceLoader;
class CSSValue;
class RenderElement;
class RenderObject;
struct ResourceLoaderOptions;
typedef const void* WrappedImagePtr;
class StyleImage : public RefCounted<StyleImage> {
public:
virtual ~StyleImage() = default;
virtual bool operator==(const StyleImage& other) const = 0;
virtual Ref<CSSValue> cssValue() const = 0;
virtual bool canRender(const RenderElement*, float ) const { return true; }
virtual bool isPending() const = 0;
virtual void load(CachedResourceLoader&, const ResourceLoaderOptions&) = 0;
virtual bool isLoaded() const { return true; }
virtual bool errorOccurred() const { return false; }
virtual FloatSize imageSize(const RenderElement*, float multiplier) const = 0;
virtual void computeIntrinsicDimensions(const RenderElement*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) = 0;
virtual bool imageHasRelativeWidth() const = 0;
virtual bool imageHasRelativeHeight() const = 0;
virtual bool usesImageContainerSize() const = 0;
virtual void setContainerContextForRenderer(const RenderElement&, const FloatSize&, float) = 0;
virtual void addClient(RenderElement*) = 0;
virtual void removeClient(RenderElement*) = 0;
virtual RefPtr<Image> image(RenderElement*, const FloatSize&) const = 0;
virtual WrappedImagePtr data() const = 0;
virtual float imageScaleFactor() const { return 1; }
virtual bool knownToBeOpaque(const RenderElement*) const = 0;
virtual CachedImage* cachedImage() const { return 0; }
ALWAYS_INLINE bool isCachedImage() const { return m_isCachedImage; }
ALWAYS_INLINE bool isGeneratedImage() const { return m_isGeneratedImage; }
protected:
StyleImage()
: m_isCachedImage(false)
, m_isGeneratedImage(false)
{
}
bool m_isCachedImage : 1;
bool m_isGeneratedImage : 1;
};
}
#define SPECIALIZE_TYPE_TRAITS_STYLE_IMAGE(ToClassName, predicate) \
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ToClassName) \
static bool isType(const WebCore::StyleImage& image) { return image.predicate(); } \
SPECIALIZE_TYPE_TRAITS_END()