| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. |
| * Copyright (C) 2013 Google 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 "core/css/resolver/StyleResourceLoader.h" |
| |
| #include "core/CSSPropertyNames.h" |
| #include "core/css/CSSCursorImageValue.h" |
| #include "core/css/CSSImageValue.h" |
| #include "core/css/CSSSVGDocumentValue.h" |
| #include "core/css/resolver/ElementStyleResources.h" |
| #include "core/fetch/ResourceFetcher.h" |
| #include "core/rendering/style/ContentData.h" |
| #include "core/rendering/style/FillLayer.h" |
| #include "core/rendering/style/RenderStyle.h" |
| #include "core/rendering/style/StyleFetchedImage.h" |
| #include "core/rendering/style/StyleFetchedImageSet.h" |
| #include "core/rendering/style/StyleGeneratedImage.h" |
| #include "core/rendering/style/StylePendingImage.h" |
| #include "core/rendering/svg/ReferenceFilterBuilder.h" |
| |
| namespace blink { |
| |
| StyleResourceLoader::StyleResourceLoader(ResourceFetcher* fetcher) |
| : m_fetcher(fetcher) |
| { |
| } |
| |
| void StyleResourceLoader::loadPendingSVGDocuments(RenderStyle* renderStyle, ElementStyleResources& elementStyleResources) |
| { |
| if (!renderStyle->hasFilter() || elementStyleResources.pendingSVGDocuments().isEmpty()) |
| return; |
| |
| Vector<RefPtr<FilterOperation> >& filterOperations = renderStyle->mutableFilter().operations(); |
| for (unsigned i = 0; i < filterOperations.size(); ++i) { |
| RefPtr<FilterOperation> filterOperation = filterOperations.at(i); |
| if (filterOperation->type() == FilterOperation::REFERENCE) { |
| ReferenceFilterOperation* referenceFilter = toReferenceFilterOperation(filterOperation.get()); |
| |
| CSSSVGDocumentValue* value = elementStyleResources.pendingSVGDocuments().get(referenceFilter); |
| if (!value) |
| continue; |
| DocumentResource* resource = value->load(m_fetcher); |
| if (!resource) |
| continue; |
| |
| // Stash the DocumentResource on the reference filter. |
| ReferenceFilterBuilder::setDocumentResourceReference(referenceFilter, adoptPtr(new DocumentResourceReference(resource))); |
| } |
| } |
| |
| elementStyleResources.clearPendingSVGDocuments(); |
| } |
| |
| static PassRefPtr<StyleImage> doLoadPendingImage(ResourceFetcher* fetcher, StylePendingImage* pendingImage, float deviceScaleFactor, const ResourceLoaderOptions& options) |
| { |
| if (CSSImageValue* imageValue = pendingImage->cssImageValue()) |
| return imageValue->cachedImage(fetcher, options); |
| |
| if (CSSImageGeneratorValue* imageGeneratorValue |
| = pendingImage->cssImageGeneratorValue()) { |
| imageGeneratorValue->loadSubimages(fetcher); |
| return StyleGeneratedImage::create(imageGeneratorValue); |
| } |
| |
| if (CSSCursorImageValue* cursorImageValue |
| = pendingImage->cssCursorImageValue()) |
| return cursorImageValue->cachedImage(fetcher, deviceScaleFactor); |
| |
| if (CSSImageSetValue* imageSetValue = pendingImage->cssImageSetValue()) |
| return imageSetValue->cachedImageSet(fetcher, deviceScaleFactor, options); |
| |
| return nullptr; |
| } |
| |
| PassRefPtr<StyleImage> StyleResourceLoader::loadPendingImage(StylePendingImage* pendingImage, float deviceScaleFactor) |
| { |
| return doLoadPendingImage(m_fetcher, pendingImage, deviceScaleFactor, ResourceFetcher::defaultResourceOptions()); |
| } |
| |
| void StyleResourceLoader::loadPendingShapeImage(RenderStyle* renderStyle, ShapeValue* shapeValue, float deviceScaleFactor) |
| { |
| if (!shapeValue) |
| return; |
| |
| StyleImage* image = shapeValue->image(); |
| if (!image || !image->isPendingImage()) |
| return; |
| |
| ResourceLoaderOptions options = ResourceFetcher::defaultResourceOptions(); |
| options.allowCredentials = DoNotAllowStoredCredentials; |
| options.credentialsRequested = ClientDidNotRequestCredentials; |
| options.corsEnabled = IsCORSEnabled; |
| |
| shapeValue->setImage(doLoadPendingImage(m_fetcher, toStylePendingImage(image), deviceScaleFactor, options)); |
| } |
| |
| void StyleResourceLoader::loadPendingImages(RenderStyle* style, ElementStyleResources& elementStyleResources) |
| { |
| if (elementStyleResources.pendingImageProperties().isEmpty()) |
| return; |
| |
| PendingImagePropertyMap::const_iterator::Keys end = elementStyleResources.pendingImageProperties().end().keys(); |
| for (PendingImagePropertyMap::const_iterator::Keys it = elementStyleResources.pendingImageProperties().begin().keys(); it != end; ++it) { |
| CSSPropertyID currentProperty = *it; |
| |
| switch (currentProperty) { |
| case CSSPropertyBackgroundImage: { |
| for (FillLayer* backgroundLayer = &style->accessBackgroundLayers(); backgroundLayer; backgroundLayer = backgroundLayer->next()) { |
| if (backgroundLayer->image() && backgroundLayer->image()->isPendingImage()) |
| backgroundLayer->setImage(loadPendingImage(toStylePendingImage(backgroundLayer->image()), elementStyleResources.deviceScaleFactor())); |
| } |
| break; |
| } |
| case CSSPropertyContent: { |
| for (ContentData* contentData = const_cast<ContentData*>(style->contentData()); contentData; contentData = contentData->next()) { |
| if (contentData->isImage()) { |
| StyleImage* image = toImageContentData(contentData)->image(); |
| if (image->isPendingImage()) { |
| RefPtr<StyleImage> loadedImage = loadPendingImage(toStylePendingImage(image), elementStyleResources.deviceScaleFactor()); |
| if (loadedImage) |
| toImageContentData(contentData)->setImage(loadedImage.release()); |
| } |
| } |
| } |
| break; |
| } |
| case CSSPropertyCursor: { |
| if (CursorList* cursorList = style->cursors()) { |
| for (size_t i = 0; i < cursorList->size(); ++i) { |
| CursorData& currentCursor = cursorList->at(i); |
| if (StyleImage* image = currentCursor.image()) { |
| if (image->isPendingImage()) |
| currentCursor.setImage(loadPendingImage(toStylePendingImage(image), elementStyleResources.deviceScaleFactor())); |
| } |
| } |
| } |
| break; |
| } |
| case CSSPropertyListStyleImage: { |
| if (style->listStyleImage() && style->listStyleImage()->isPendingImage()) |
| style->setListStyleImage(loadPendingImage(toStylePendingImage(style->listStyleImage()), elementStyleResources.deviceScaleFactor())); |
| break; |
| } |
| case CSSPropertyBorderImageSource: { |
| if (style->borderImageSource() && style->borderImageSource()->isPendingImage()) |
| style->setBorderImageSource(loadPendingImage(toStylePendingImage(style->borderImageSource()), elementStyleResources.deviceScaleFactor())); |
| break; |
| } |
| case CSSPropertyWebkitBoxReflect: { |
| if (StyleReflection* reflection = style->boxReflect()) { |
| const NinePieceImage& maskImage = reflection->mask(); |
| if (maskImage.image() && maskImage.image()->isPendingImage()) { |
| RefPtr<StyleImage> loadedImage = loadPendingImage(toStylePendingImage(maskImage.image()), elementStyleResources.deviceScaleFactor()); |
| reflection->setMask(NinePieceImage(loadedImage.release(), maskImage.imageSlices(), maskImage.fill(), maskImage.borderSlices(), maskImage.outset(), maskImage.horizontalRule(), maskImage.verticalRule())); |
| } |
| } |
| break; |
| } |
| case CSSPropertyWebkitMaskBoxImageSource: { |
| if (style->maskBoxImageSource() && style->maskBoxImageSource()->isPendingImage()) |
| style->setMaskBoxImageSource(loadPendingImage(toStylePendingImage(style->maskBoxImageSource()), elementStyleResources.deviceScaleFactor())); |
| break; |
| } |
| case CSSPropertyWebkitMaskImage: { |
| for (FillLayer* maskLayer = &style->accessMaskLayers(); maskLayer; maskLayer = maskLayer->next()) { |
| if (maskLayer->image() && maskLayer->image()->isPendingImage()) |
| maskLayer->setImage(loadPendingImage(toStylePendingImage(maskLayer->image()), elementStyleResources.deviceScaleFactor())); |
| } |
| break; |
| } |
| case CSSPropertyShapeOutside: |
| loadPendingShapeImage(style, style->shapeOutside(), elementStyleResources.deviceScaleFactor()); |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| } |
| |
| elementStyleResources.clearPendingImageProperties(); |
| } |
| |
| void StyleResourceLoader::loadPendingResources(RenderStyle* renderStyle, ElementStyleResources& elementStyleResources) |
| { |
| // Start loading images referenced by this style. |
| loadPendingImages(renderStyle, elementStyleResources); |
| |
| // Start loading the SVG Documents referenced by this style. |
| loadPendingSVGDocuments(renderStyle, elementStyleResources); |
| } |
| |
| } |