third_party/WebKit/Source/core/frame/PageScaleConstraints.h

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#ifndef PageScaleConstraints_h
#define PageScaleConstraints_h

#include "core/CoreExport.h"
#include "platform/geometry/FloatSize.h"
#include "wtf/Allocator.h"

namespace blink {

struct CORE_EXPORT PageScaleConstraints {
    DISALLOW_NEW();
    FloatSize layoutSize;

    float initialScale;
    float minimumScale;
    float maximumScale;

    PageScaleConstraints();
    PageScaleConstraints(float initial, float minimum, float maximum);

    void overrideWith(const PageScaleConstraints& other);
    float clampToConstraints(float pageScaleFactor) const;
    void clampAll();
    void fitToContentsWidth(float contentsWidth, int viewWidthNotIncludingScrollbars);
    void resolveAutoInitialScale();

    bool operator==(const PageScaleConstraints& other) const;
};

} // namespace blink

#endif // PageScaleConstraints_h