Remove our impressive amount of CSS Cursor code.

sky/engine/core/css/CSSCursorImageValue.cpp

-/*
- * Copyright (C) 2006 Rob Buis <buis@kde.org>
- *           (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
- * Copyright (C) 2008 Apple Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "sky/engine/config.h"
-#include "sky/engine/core/css/CSSCursorImageValue.h"
-
-#include "sky/engine/core/css/CSSImageSetValue.h"
-#include "sky/engine/core/fetch/ImageResource.h"
-#include "sky/engine/core/fetch/ResourceFetcher.h"
-#include "sky/engine/core/rendering/style/StyleFetchedImage.h"
-#include "sky/engine/core/rendering/style/StyleFetchedImageSet.h"
-#include "sky/engine/core/rendering/style/StyleImage.h"
-#include "sky/engine/core/rendering/style/StylePendingImage.h"
-#include "sky/engine/wtf/MathExtras.h"
-#include "sky/engine/wtf/text/StringBuilder.h"
-#include "sky/engine/wtf/text/WTFString.h"
-
-namespace blink {
-
-CSSCursorImageValue::CSSCursorImageValue(PassRefPtr<CSSValue> imageValue, bool hasHotSpot, const IntPoint& hotSpot)
-    : CSSValue(CursorImageClass)
-    , m_imageValue(imageValue)
-    , m_hasHotSpot(hasHotSpot)
-    , m_hotSpot(hotSpot)
-    , m_accessedImage(false)
-{
-}
-
-CSSCursorImageValue::~CSSCursorImageValue()
-{
-    // The below teardown is all handled by weak pointer processing in oilpan.
-#if !ENABLE(OILPAN)
-    if (!isSVGCursor())
-        return;
-#endif
-}
-
-String CSSCursorImageValue::customCSSText() const
-{
-    StringBuilder result;
-    result.append(m_imageValue->cssText());
-    if (m_hasHotSpot) {
-        result.append(' ');
-        result.appendNumber(m_hotSpot.x());
-        result.append(' ');
-        result.appendNumber(m_hotSpot.y());
-    }
-    return result.toString();
-}
-
-StyleImage* CSSCursorImageValue::cachedImage(ResourceFetcher* loader, float deviceScaleFactor)
-{
-    if (m_imageValue->isImageSetValue())
-        return toCSSImageSetValue(m_imageValue.get())->cachedImageSet(loader, deviceScaleFactor);
-
-    if (!m_accessedImage) {
-        m_accessedImage = true;
-
-        if (m_imageValue->isImageValue())
-            m_image = toCSSImageValue(m_imageValue.get())->cachedImage(loader);
-    }
-
-    if (m_image && m_image->isImageResource())
-        return toStyleFetchedImage(m_image);
-    return 0;
-}
-
-StyleImage* CSSCursorImageValue::cachedOrPendingImage(float deviceScaleFactor)
-{
-    // Need to delegate completely so that changes in device scale factor can be handled appropriately.
-    if (m_imageValue->isImageSetValue())
-        return toCSSImageSetValue(m_imageValue.get())->cachedOrPendingImageSet(deviceScaleFactor);
-
-    if (!m_image)
-        m_image = StylePendingImage::create(this);
-
-    return m_image.get();
-}
-
-bool CSSCursorImageValue::isSVGCursor() const
-{
-    if (m_imageValue->isImageValue()) {
-        RefPtr<CSSImageValue> imageValue = toCSSImageValue(m_imageValue.get());
-        KURL kurl(ParsedURLString, imageValue->url());
-        return kurl.hasFragmentIdentifier();
-    }
-    return false;
-}
-
-String CSSCursorImageValue::cachedImageURL()
-{
-    if (!m_image || !m_image->isImageResource())
-        return String();
-    return toStyleFetchedImage(m_image)->cachedImage()->url().string();
-}
-
-void CSSCursorImageValue::clearImageResource()
-{
-    m_image = nullptr;
-    m_accessedImage = false;
-}
-
-bool CSSCursorImageValue::equals(const CSSCursorImageValue& other) const
-{
-    return m_hasHotSpot ? other.m_hasHotSpot && m_hotSpot == other.m_hotSpot : !other.m_hasHotSpot
-        && compareCSSValuePtr(m_imageValue, other.m_imageValue);
-}
-
-} // namespace blink