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52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef SKY_ENGINE_CORE_CSS_MEDIAVALUESDYNAMIC_H_
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#define SKY_ENGINE_CORE_CSS_MEDIAVALUESDYNAMIC_H_
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#include "sky/engine/core/css/MediaValues.h"
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namespace blink {
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class Document;
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class MediaValuesDynamic final : public MediaValues {
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public:
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static PassRefPtr<MediaValues> create(Document&);
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static PassRefPtr<MediaValues> create(LocalFrame*);
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virtual PassRefPtr<MediaValues> copy() const override;
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virtual bool isSafeToSendToAnotherThread() const override;
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virtual bool computeLength(double value, CSSPrimitiveValue::UnitType, int& result) const override;
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virtual bool computeLength(double value, CSSPrimitiveValue::UnitType, double& result) const override;
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virtual int viewportWidth() const override;
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virtual int viewportHeight() const override;
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virtual int deviceWidth() const override;
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virtual int deviceHeight() const override;
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virtual float devicePixelRatio() const override;
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virtual int colorBitsPerComponent() const override;
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virtual int monochromeBitsPerComponent() const override;
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virtual PointerType primaryPointerType() const override;
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virtual int availablePointerTypes() const override;
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virtual HoverType primaryHoverType() const override;
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virtual int availableHoverTypes() const override;
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virtual bool threeDEnabled() const override;
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virtual bool strictMode() const override;
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virtual const String mediaType() const override;
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virtual Document* document() const override;
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virtual bool hasValues() const override;
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protected:
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MediaValuesDynamic(LocalFrame*);
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// This raw ptr is safe, as MediaValues would not outlive MediaQueryEvaluator, and
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// MediaQueryEvaluator is reset on |Document::detach|.
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// FIXME: Oilpan: This raw ptr should be changed to a Member when LocalFrame is migrated to the heap.
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LocalFrame* m_frame;
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};
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} // namespace
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#endif // SKY_ENGINE_CORE_CSS_MEDIAVALUESDYNAMIC_H_
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