| /* |
| * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
| * (C) 2000 Antti Koivisto (koivisto@kde.org) |
| * (C) 2000 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2003-2021 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 "config.h" |
| #include "StyleCachedImage.h" |
| |
| #include "CSSImageValue.h" |
| #include "CachedImage.h" |
| #include "RenderElement.h" |
| #include "RenderView.h" |
| |
| namespace WebCore { |
| |
| Ref<StyleCachedImage> StyleCachedImage::create(CSSImageValue& cssValue, float scaleFactor) |
| { |
| return adoptRef(*new StyleCachedImage(cssValue, scaleFactor)); |
| } |
| |
| StyleCachedImage::StyleCachedImage(CSSImageValue& cssValue, float scaleFactor) |
| : m_cssValue(cssValue) |
| , m_scaleFactor(scaleFactor) |
| { |
| m_isCachedImage = true; |
| m_cachedImage = m_cssValue->cachedImage(); |
| if (m_cachedImage) |
| m_isPending = false; |
| } |
| |
| StyleCachedImage::~StyleCachedImage() = default; |
| |
| bool StyleCachedImage::operator==(const StyleImage& other) const |
| { |
| if (!is<StyleCachedImage>(other)) |
| return false; |
| auto& otherCached = downcast<StyleCachedImage>(other); |
| if (&otherCached == this) |
| return true; |
| if (m_scaleFactor != otherCached.m_scaleFactor) |
| return false; |
| if (m_cssValue.ptr() == otherCached.m_cssValue.ptr() || m_cssValue->equals(otherCached.m_cssValue.get())) |
| return true; |
| if (m_cachedImage && m_cachedImage == otherCached.m_cachedImage) |
| return true; |
| return false; |
| } |
| |
| URL StyleCachedImage::imageURL() const |
| { |
| return m_cssValue->imageURL(); |
| } |
| |
| URL StyleCachedImage::reresolvedURL(const Document& document) const |
| { |
| return m_cssValue->reresolvedURL(document); |
| } |
| |
| void StyleCachedImage::load(CachedResourceLoader& loader, const ResourceLoaderOptions& options) |
| { |
| ASSERT(m_isPending); |
| m_isPending = false; |
| m_cachedImage = m_cssValue->loadImage(loader, options); |
| } |
| |
| CachedImage* StyleCachedImage::cachedImage() const |
| { |
| return m_cachedImage.get(); |
| } |
| |
| Ref<CSSValue> StyleCachedImage::cssValue() const |
| { |
| return m_cssValue.copyRef(); |
| } |
| |
| bool StyleCachedImage::canRender(const RenderElement* renderer, float multiplier) const |
| { |
| if (!m_cachedImage) |
| return false; |
| return m_cachedImage->canRender(renderer, multiplier); |
| } |
| |
| bool StyleCachedImage::isPending() const |
| { |
| return m_isPending; |
| } |
| |
| bool StyleCachedImage::isLoaded() const |
| { |
| if (!m_cachedImage) |
| return false; |
| return m_cachedImage->isLoaded(); |
| } |
| |
| bool StyleCachedImage::errorOccurred() const |
| { |
| if (!m_cachedImage) |
| return false; |
| return m_cachedImage->errorOccurred(); |
| } |
| |
| FloatSize StyleCachedImage::imageSize(const RenderElement* renderer, float multiplier) const |
| { |
| if (!m_cachedImage) |
| return { }; |
| FloatSize size = m_cachedImage->imageSizeForRenderer(renderer, multiplier); |
| size.scale(1 / m_scaleFactor); |
| return size; |
| } |
| |
| bool StyleCachedImage::imageHasRelativeWidth() const |
| { |
| if (!m_cachedImage) |
| return false; |
| return m_cachedImage->imageHasRelativeWidth(); |
| } |
| |
| bool StyleCachedImage::imageHasRelativeHeight() const |
| { |
| if (!m_cachedImage) |
| return false; |
| return m_cachedImage->imageHasRelativeHeight(); |
| } |
| |
| void StyleCachedImage::computeIntrinsicDimensions(const RenderElement*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) |
| { |
| if (!m_cachedImage) |
| return; |
| m_cachedImage->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, intrinsicRatio); |
| } |
| |
| bool StyleCachedImage::usesImageContainerSize() const |
| { |
| if (!m_cachedImage) |
| return false; |
| return m_cachedImage->usesImageContainerSize(); |
| } |
| |
| void StyleCachedImage::setContainerContextForRenderer(const RenderElement& renderer, const FloatSize& containerSize, float containerZoom) |
| { |
| if (!m_cachedImage) |
| return; |
| m_cachedImage->setContainerContextForClient(renderer, LayoutSize(containerSize), containerZoom, imageURL()); |
| } |
| |
| void StyleCachedImage::addClient(RenderElement& renderer) |
| { |
| ASSERT(!m_isPending); |
| if (!m_cachedImage) |
| return; |
| m_cachedImage->addClient(renderer); |
| } |
| |
| void StyleCachedImage::removeClient(RenderElement& renderer) |
| { |
| ASSERT(!m_isPending); |
| if (!m_cachedImage) |
| return; |
| m_cachedImage->removeClient(renderer); |
| } |
| |
| bool StyleCachedImage::hasClient(RenderElement& renderer) const |
| { |
| ASSERT(!m_isPending); |
| if (!m_cachedImage) |
| return false; |
| return m_cachedImage->hasClient(renderer); |
| } |
| |
| bool StyleCachedImage::hasImage() const |
| { |
| if (!m_cachedImage) |
| return false; |
| return m_cachedImage->hasImage(); |
| } |
| |
| RefPtr<Image> StyleCachedImage::image(RenderElement* renderer, const FloatSize&) const |
| { |
| ASSERT(!m_isPending); |
| if (!m_cachedImage) |
| return nullptr; |
| return m_cachedImage->imageForRenderer(renderer); |
| } |
| |
| float StyleCachedImage::imageScaleFactor() const |
| { |
| return m_scaleFactor; |
| } |
| |
| bool StyleCachedImage::knownToBeOpaque(const RenderElement& renderer) const |
| { |
| return m_cachedImage && m_cachedImage->currentFrameKnownToBeOpaque(&renderer); |
| } |
| |
| bool StyleCachedImage::usesDataProtocol() const |
| { |
| return m_cssValue->imageURL().protocolIsData(); |
| } |
| |
| } |