mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
295f920116
I wrote a script to do this which is attached to the bug. TBR=abarth@chromium.org BUG=435361 Review URL: https://codereview.chromium.org/736373003
112 lines
4.0 KiB
C++
112 lines
4.0 KiB
C++
/*
|
|
* Copyright (C) 2011 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef SKY_ENGINE_CORE_CSS_CSSCROSSFADEVALUE_H_
|
|
#define SKY_ENGINE_CORE_CSS_CSSCROSSFADEVALUE_H_
|
|
|
|
#include "sky/engine/core/css/CSSImageGeneratorValue.h"
|
|
#include "sky/engine/core/css/CSSPrimitiveValue.h"
|
|
#include "sky/engine/core/fetch/ImageResource.h"
|
|
#include "sky/engine/core/fetch/ImageResourceClient.h"
|
|
#include "sky/engine/core/fetch/ResourcePtr.h"
|
|
#include "sky/engine/platform/graphics/Image.h"
|
|
|
|
namespace blink {
|
|
|
|
class ImageResource;
|
|
class CrossfadeSubimageObserverProxy;
|
|
class RenderObject;
|
|
class Document;
|
|
|
|
class CSSCrossfadeValue : public CSSImageGeneratorValue {
|
|
friend class CrossfadeSubimageObserverProxy;
|
|
public:
|
|
static PassRefPtr<CSSCrossfadeValue> create(PassRefPtr<CSSValue> fromValue, PassRefPtr<CSSValue> toValue)
|
|
{
|
|
return adoptRef(new CSSCrossfadeValue(fromValue, toValue));
|
|
}
|
|
|
|
~CSSCrossfadeValue();
|
|
|
|
String customCSSText() const;
|
|
|
|
PassRefPtr<Image> image(RenderObject*, const IntSize&);
|
|
bool isFixedSize() const { return true; }
|
|
IntSize fixedSize(const RenderObject*);
|
|
|
|
bool isPending() const;
|
|
bool knownToBeOpaque(const RenderObject*) const;
|
|
|
|
void loadSubimages(ResourceFetcher*);
|
|
|
|
void setPercentage(PassRefPtr<CSSPrimitiveValue> percentageValue) { m_percentageValue = percentageValue; }
|
|
|
|
bool hasFailedOrCanceledSubresources() const;
|
|
|
|
bool equals(const CSSCrossfadeValue&) const;
|
|
|
|
private:
|
|
CSSCrossfadeValue(PassRefPtr<CSSValue> fromValue, PassRefPtr<CSSValue> toValue)
|
|
: CSSImageGeneratorValue(CrossfadeClass)
|
|
, m_fromValue(fromValue)
|
|
, m_toValue(toValue)
|
|
, m_cachedFromImage(0)
|
|
, m_cachedToImage(0)
|
|
, m_crossfadeSubimageObserver(this) { }
|
|
|
|
class CrossfadeSubimageObserverProxy final : public ImageResourceClient {
|
|
public:
|
|
CrossfadeSubimageObserverProxy(CSSCrossfadeValue* ownerValue)
|
|
: m_ownerValue(ownerValue)
|
|
, m_ready(false) { }
|
|
|
|
virtual ~CrossfadeSubimageObserverProxy() { }
|
|
virtual void imageChanged(ImageResource*, const IntRect* = 0) override;
|
|
void setReady(bool ready) { m_ready = ready; }
|
|
private:
|
|
CSSCrossfadeValue* m_ownerValue;
|
|
bool m_ready;
|
|
};
|
|
|
|
void crossfadeChanged(const IntRect&);
|
|
|
|
RefPtr<CSSValue> m_fromValue;
|
|
RefPtr<CSSValue> m_toValue;
|
|
RefPtr<CSSPrimitiveValue> m_percentageValue;
|
|
|
|
ResourcePtr<ImageResource> m_cachedFromImage;
|
|
ResourcePtr<ImageResource> m_cachedToImage;
|
|
|
|
RefPtr<Image> m_generatedImage;
|
|
|
|
CrossfadeSubimageObserverProxy m_crossfadeSubimageObserver;
|
|
};
|
|
|
|
DEFINE_CSS_VALUE_TYPE_CASTS(CSSCrossfadeValue, isCrossfadeValue());
|
|
|
|
} // namespace blink
|
|
|
|
#endif // SKY_ENGINE_CORE_CSS_CSSCROSSFADEVALUE_H_
|