| File: | Volumes/Data/worker/Apple-iOS-26-Safer-CPP-Checks-EWS/build/Source/WebCore/html/HTMLImageElement.cpp |
| Warning: | line 647, column 12 Call argument for 'this' parameter is uncounted and unsafe |
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| 1 | /* |
| 2 | * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 | * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| 4 | * Copyright (C) 2004-2022 Apple Inc. All rights reserved. |
| 5 | * Copyright (C) 2010-2015 Google Inc. All rights reserved. |
| 6 | * |
| 7 | * This library is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Library General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This library is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Library General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Library General Public License |
| 18 | * along with this library; see the file COPYING.LIB. If not, write to |
| 19 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 20 | * Boston, MA 02110-1301, USA. |
| 21 | */ |
| 22 | |
| 23 | #include "config.h" |
| 24 | #include "HTMLImageElement.h" |
| 25 | |
| 26 | #include "CSSPropertyNames.h" |
| 27 | #include "CSSSerializationContext.h" |
| 28 | #include "CSSValueKeywords.h" |
| 29 | #include "CachedImage.h" |
| 30 | #include "Chrome.h" |
| 31 | #include "ChromeClient.h" |
| 32 | #include "CommonAtomStrings.h" |
| 33 | #include "ContainerNodeInlines.h" |
| 34 | #include "Editor.h" |
| 35 | #include "ElementChildIteratorInlines.h" |
| 36 | #include "ElementRareData.h" |
| 37 | #include "EventLoop.h" |
| 38 | #include "EventNames.h" |
| 39 | #include "HTMLAnchorElement.h" |
| 40 | #include "HTMLAttachmentElement.h" |
| 41 | #include "HTMLDocument.h" |
| 42 | #include "HTMLFormElement.h" |
| 43 | #include "HTMLImageLoader.h" |
| 44 | #include "HTMLMapElement.h" |
| 45 | #include "HTMLParserIdioms.h" |
| 46 | #include "HTMLPictureElement.h" |
| 47 | #include "HTMLSourceElement.h" |
| 48 | #include "HTMLSrcsetParser.h" |
| 49 | #include "JSRequestPriority.h" |
| 50 | #include "LazyLoadImageObserver.h" |
| 51 | #include "LocalFrameView.h" |
| 52 | #include "Logging.h" |
| 53 | #include "MIMETypeRegistry.h" |
| 54 | #include "MediaQueryEvaluator.h" |
| 55 | #include "MouseEvent.h" |
| 56 | #include "NodeInlines.h" |
| 57 | #include "NodeName.h" |
| 58 | #include "NodeTraversal.h" |
| 59 | #include "Page.h" |
| 60 | #include "PlatformMouseEvent.h" |
| 61 | #include "RenderBoxInlines.h" |
| 62 | #include "RenderElementStyleInlines.h" |
| 63 | #include "RenderImage.h" |
| 64 | #include "RenderView.h" |
| 65 | #include "RequestPriority.h" |
| 66 | #include "ScriptController.h" |
| 67 | #include "Settings.h" |
| 68 | #include "ShadowRoot.h" |
| 69 | #include "SizesAttributeParser.h" |
| 70 | #include "StyleZoomPrimitivesInlines.h" |
| 71 | #include <wtf/TZoneMallocInlines.h> |
| 72 | #include <wtf/text/StringBuilder.h> |
| 73 | |
| 74 | #if ENABLE(SERVICE_CONTROLS)(defined ENABLE_SERVICE_CONTROLS && ENABLE_SERVICE_CONTROLS ) |
| 75 | #include "ImageControlsMac.h" |
| 76 | #endif |
| 77 | |
| 78 | #if ENABLE(SPATIAL_IMAGE_CONTROLS)(defined ENABLE_SPATIAL_IMAGE_CONTROLS && ENABLE_SPATIAL_IMAGE_CONTROLS ) |
| 79 | #include "SpatialImageControls.h" |
| 80 | #endif |
| 81 | |
| 82 | namespace WebCore { |
| 83 | |
| 84 | WTF_MAKE_TZONE_ALLOCATED_IMPL(HTMLImageElement)::bmalloc::api::HeapRef HTMLImageElement::s_heapRef; const TZoneSpecification HTMLImageElement::s_heapSpec = { &HTMLImageElement::s_heapRef , TZoneSpecification::encodeSize<HTMLImageElement>(), TZoneSpecification ::encodeAlignment<HTMLImageElement>(), TZoneSpecification ::encodeCategory<HTMLImageElement>(), ::bmalloc::api::compactAllocationMode <HTMLImageElement>(), TZoneSpecification::encodeDescriptor <HTMLImageElement>(), }; void* HTMLImageElement::operatorNewSlow (size_t size) { if constexpr (::bmalloc::api::compactAllocationMode <HTMLImageElement>() == CompactAllocationMode::Compact) return ::bmalloc::api::tzoneAllocateCompactSlow(size, s_heapSpec ); return ::bmalloc::api::tzoneAllocateNonCompactSlow(size, s_heapSpec ); } using __makeBtzoneMallocedInlineMacroSemicolonifier __attribute__ ((unused)) = int; |
| 85 | |
| 86 | using namespace HTMLNames; |
| 87 | |
| 88 | HTMLImageElement::HTMLImageElement(const QualifiedName& tagName, Document& document, HTMLFormElement* form) |
| 89 | : HTMLElement(tagName, document, { TypeFlag::HasCustomStyleResolveCallbacks, TypeFlag::HasDidMoveToNewDocument }) |
| 90 | , FormAssociatedElement(form) |
| 91 | , ActiveDOMObject(document) |
| 92 | , m_imageLoader(makeUniqueWithoutRefCountedCheck<HTMLImageLoader>(*this)) |
| 93 | , m_imageDevicePixelRatio(1.0f) |
| 94 | { |
| 95 | ASSERT(hasTagName(imgTag))((void)0); |
| 96 | } |
| 97 | |
| 98 | Ref<HTMLImageElement> HTMLImageElement::create(Document& document) |
| 99 | { |
| 100 | auto image = adoptRef(*new HTMLImageElement(imgTag, document)); |
| 101 | image->suspendIfNeeded(); |
| 102 | return image; |
| 103 | } |
| 104 | |
| 105 | Ref<HTMLImageElement> HTMLImageElement::create(const QualifiedName& tagName, Document& document, HTMLFormElement* form) |
| 106 | { |
| 107 | auto image = adoptRef(*new HTMLImageElement(tagName, document, form)); |
| 108 | image->suspendIfNeeded(); |
| 109 | return image; |
| 110 | } |
| 111 | |
| 112 | HTMLImageElement::~HTMLImageElement() |
| 113 | { |
| 114 | disconnectFromIntersectionObservers(); |
| 115 | Ref document = this->document(); |
| 116 | document->removeDynamicMediaQueryDependentImage(*this); |
| 117 | setForm(nullptr); |
| 118 | #if ENABLE(ACCESSIBILITY_ANIMATION_CONTROL)(defined 1 && 1) |
| 119 | if (RefPtr page = document->page()) |
| 120 | page->removeIndividuallyPlayingAnimationElement(*this); |
| 121 | #endif |
| 122 | } |
| 123 | |
| 124 | void HTMLImageElement::resetFormOwner() |
| 125 | { |
| 126 | setForm(HTMLFormElement::findClosestFormAncestor(*this)); |
| 127 | } |
| 128 | |
| 129 | void HTMLImageElement::setFormInternal(RefPtr<HTMLFormElement>&& newForm) |
| 130 | { |
| 131 | if (RefPtr form = FormAssociatedElement::form()) |
| 132 | form->unregisterImgElement(*this); |
| 133 | FormAssociatedElement::setFormInternal(newForm.copyRef()); |
| 134 | if (newForm) |
| 135 | newForm->registerImgElement(*this); |
| 136 | } |
| 137 | |
| 138 | void HTMLImageElement::formOwnerRemovedFromTree(const Node& formRoot) |
| 139 | { |
| 140 | Ref rootNode = traverseToRootNode(); // Do not rely on rootNode() because our IsInTreeScope can be outdated. |
| 141 | if (rootNode.ptr() != &formRoot) |
| 142 | setForm(nullptr); |
| 143 | } |
| 144 | |
| 145 | Ref<HTMLImageElement> HTMLImageElement::createForLegacyFactoryFunction(Document& document, std::optional<unsigned> width, std::optional<unsigned> height) |
| 146 | { |
| 147 | auto image = adoptRef(*new HTMLImageElement(imgTag, document)); |
| 148 | if (width) |
| 149 | image->setUnsignedIntegralAttribute(widthAttr, width.value()); |
| 150 | if (height) |
| 151 | image->setUnsignedIntegralAttribute(heightAttr, height.value()); |
| 152 | image->suspendIfNeeded(); |
| 153 | return image; |
| 154 | } |
| 155 | |
| 156 | bool HTMLImageElement::hasPresentationalHintsForAttribute(const QualifiedName& name) const |
| 157 | { |
| 158 | switch (name.nodeName()) { |
| 159 | case AttributeNames::widthAttr: |
| 160 | case AttributeNames::heightAttr: |
| 161 | case AttributeNames::borderAttr: |
| 162 | case AttributeNames::vspaceAttr: |
| 163 | case AttributeNames::hspaceAttr: |
| 164 | case AttributeNames::valignAttr: |
| 165 | return true; |
| 166 | default: |
| 167 | break; |
| 168 | } |
| 169 | return HTMLElement::hasPresentationalHintsForAttribute(name); |
| 170 | } |
| 171 | |
| 172 | void HTMLImageElement::collectPresentationalHintsForAttribute(const QualifiedName& name, const AtomString& value, MutableStyleProperties& style) |
| 173 | { |
| 174 | switch (name.nodeName()) { |
| 175 | case AttributeNames::widthAttr: |
| 176 | addHTMLMultiLengthToStyle(style, CSSPropertyWidth, value); |
| 177 | applyAspectRatioFromWidthAndHeightAttributesToStyle(value, attributeWithoutSynchronization(heightAttr), style); |
| 178 | break; |
| 179 | case AttributeNames::heightAttr: |
| 180 | addHTMLMultiLengthToStyle(style, CSSPropertyHeight, value); |
| 181 | applyAspectRatioFromWidthAndHeightAttributesToStyle(attributeWithoutSynchronization(widthAttr), value, style); |
| 182 | break; |
| 183 | case AttributeNames::borderAttr: |
| 184 | applyBorderAttributeToStyle(value, style); |
| 185 | break; |
| 186 | case AttributeNames::vspaceAttr: |
| 187 | addHTMLLengthToStyle(style, CSSPropertyMarginTop, value); |
| 188 | addHTMLLengthToStyle(style, CSSPropertyMarginBottom, value); |
| 189 | break; |
| 190 | case AttributeNames::hspaceAttr: |
| 191 | addHTMLLengthToStyle(style, CSSPropertyMarginLeft, value); |
| 192 | addHTMLLengthToStyle(style, CSSPropertyMarginRight, value); |
| 193 | break; |
| 194 | case AttributeNames::alignAttr: |
| 195 | applyAlignmentAttributeToStyle(value, style); |
| 196 | break; |
| 197 | case AttributeNames::valignAttr: |
| 198 | addPropertyToPresentationalHintStyle(style, CSSPropertyVerticalAlign, value); |
| 199 | break; |
| 200 | default: |
| 201 | HTMLElement::collectPresentationalHintsForAttribute(name, value, style); |
| 202 | break; |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | void HTMLImageElement::collectExtraStyleForPresentationalHints(MutableStyleProperties& style) |
| 207 | { |
| 208 | RefPtr sourceElement = this->sourceElement(); |
| 209 | if (!sourceElement) |
| 210 | return; |
| 211 | auto& widthAttrFromSource = sourceElement->attributeWithoutSynchronization(widthAttr); |
| 212 | auto& heightAttrFromSource = sourceElement->attributeWithoutSynchronization(heightAttr); |
| 213 | // If both width and height attributes of <source> is undefined, the style's value should not |
| 214 | // be overwritten. Otherwise, <souce> will overwrite it. I.e., if <source> only has one attribute |
| 215 | // defined, the other one and aspect-ratio shouldn't be set to auto. |
| 216 | if (widthAttrFromSource.isNull() && heightAttrFromSource.isNull()) |
| 217 | return; |
| 218 | |
| 219 | if (!widthAttrFromSource.isNull()) |
| 220 | addHTMLLengthToStyle(style, CSSPropertyWidth, widthAttrFromSource); |
| 221 | else |
| 222 | addPropertyToPresentationalHintStyle(style, CSSPropertyWidth, CSSValueAuto); |
| 223 | |
| 224 | if (!heightAttrFromSource.isNull()) |
| 225 | addHTMLLengthToStyle(style, CSSPropertyHeight, heightAttrFromSource); |
| 226 | else |
| 227 | addPropertyToPresentationalHintStyle(style, CSSPropertyHeight, CSSValueAuto); |
| 228 | |
| 229 | if (!widthAttrFromSource.isNull() && !heightAttrFromSource.isNull()) |
| 230 | applyAspectRatioFromWidthAndHeightAttributesToStyle(widthAttrFromSource, heightAttrFromSource, style); |
| 231 | else |
| 232 | addPropertyToPresentationalHintStyle(style, CSSPropertyAspectRatio, CSSValueAuto); |
| 233 | } |
| 234 | |
| 235 | const AtomString& HTMLImageElement::imageSourceURL() const |
| 236 | { |
| 237 | return m_bestFitImageURL.isEmpty() ? attributeWithoutSynchronization(srcAttr) : m_bestFitImageURL; |
| 238 | } |
| 239 | |
| 240 | const AtomString& HTMLImageElement::currentSrc() |
| 241 | { |
| 242 | if (m_currentSrc.isNull()) { |
| 243 | if (!m_currentURL.isEmpty()) |
| 244 | m_currentSrc = AtomString(m_currentURL.string()); |
| 245 | } |
| 246 | return m_currentSrc; |
| 247 | } |
| 248 | |
| 249 | void HTMLImageElement::setBestFitURLAndDPRFromImageCandidate(const ImageCandidate& candidate) |
| 250 | { |
| 251 | m_bestFitImageURL = candidate.string.toAtomString(); |
| 252 | |
| 253 | auto& sourceURL = imageSourceURL(); |
| 254 | // Only complete the URL if it's non-empty to avoid resolving "" to the document base URL. |
| 255 | m_currentURL = sourceURL.isEmpty() ? URL() : protect(document())->completeURL(sourceURL); |
| 256 | |
| 257 | m_currentSrc = { }; |
| 258 | if (candidate.density >= 0) |
| 259 | m_imageDevicePixelRatio = 1 / candidate.density; |
| 260 | if (CheckedPtr renderImage = dynamicDowncast<RenderImage>(renderer())) |
| 261 | renderImage->setImageDevicePixelRatio(m_imageDevicePixelRatio); |
| 262 | } |
| 263 | |
| 264 | static String extractMIMETypeFromTypeAttributeForLookup(const String& typeAttribute) |
| 265 | { |
| 266 | auto semicolonIndex = typeAttribute.find(';'); |
| 267 | if (semicolonIndex == notFound) |
| 268 | return typeAttribute.trim(isASCIIWhitespace); |
| 269 | return StringView(typeAttribute).left(semicolonIndex).trim(isASCIIWhitespace<char16_t>).toStringWithoutCopying(); |
| 270 | } |
| 271 | |
| 272 | ImageCandidate HTMLImageElement::bestFitSourceFromPictureElement() |
| 273 | { |
| 274 | RefPtr picture = pictureElement(); |
| 275 | if (!picture) |
| 276 | return { }; |
| 277 | |
| 278 | ImageCandidate candidate; |
| 279 | |
| 280 | for (RefPtr<Node> child = picture->firstChild(); child && child != this; child = child->nextSibling()) { |
| 281 | auto* source = dynamicDowncast<HTMLSourceElement>(*child); |
| 282 | if (!source) |
| 283 | continue; |
| 284 | |
| 285 | auto& srcset = source->attributeWithoutSynchronization(srcsetAttr); |
| 286 | if (srcset.isEmpty()) |
| 287 | continue; |
| 288 | |
| 289 | auto& typeAttribute = source->attributeWithoutSynchronization(typeAttr); |
| 290 | if (!typeAttribute.isNull()) { |
| 291 | auto type = extractMIMETypeFromTypeAttributeForLookup(typeAttribute); |
| 292 | if (!type.isEmpty() && !MIMETypeRegistry::isSupportedImageVideoOrSVGMIMEType(type)) |
| 293 | continue; |
| 294 | } |
| 295 | |
| 296 | Ref document = this->document(); |
| 297 | RefPtr documentElement = document->documentElement(); |
| 298 | MQ::MediaQueryEvaluator evaluator { document->printing() ? printAtom() : screenAtom(), document.get(), documentElement ? documentElement->computedStyle() : nullptr }; |
| 299 | auto& queries = source->parsedMediaAttribute(document.get()); |
| 300 | LOG(MediaQueries, "HTMLImageElement %p bestFitSourceFromPictureElement evaluating media queries", this)((void)0); |
| 301 | |
| 302 | auto result = evaluator.evaluate(queries); |
| 303 | |
| 304 | if (!evaluator.collectDynamicDependencies(queries).isEmpty()) |
| 305 | m_dynamicMediaQueryResults.append({ queries, result }); |
| 306 | |
| 307 | if (!result) |
| 308 | continue; |
| 309 | |
| 310 | SizesAttributeParser sizesParser(source->attributeWithoutSynchronization(sizesAttr).string(), document.get()); |
| 311 | |
| 312 | m_dynamicMediaQueryResults.appendVector(sizesParser.dynamicMediaQueryResults()); |
| 313 | |
| 314 | auto sourceSize = sizesParser.effectiveSize(); |
| 315 | |
| 316 | candidate = bestFitSourceForImageAttributes(document->deviceScaleFactor(), nullAtom(), srcset, sourceSize, [&](auto& candidate) { |
| 317 | return m_imageLoader->shouldIgnoreCandidateWhenLoadingFromArchive(candidate); |
| 318 | }); |
| 319 | |
| 320 | if (!candidate.isEmpty()) { |
| 321 | setSourceElement(source); |
| 322 | break; |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | return candidate; |
| 327 | } |
| 328 | |
| 329 | void HTMLImageElement::setIsUserAgentShadowRootResource() |
| 330 | { |
| 331 | m_imageLoader->setElementIsUserAgentShadowRootResource(true); |
| 332 | } |
| 333 | |
| 334 | void HTMLImageElement::evaluateDynamicMediaQueryDependencies() |
| 335 | { |
| 336 | RefPtr documentElement = document().documentElement(); |
| 337 | MQ::MediaQueryEvaluator evaluator { protect(document())->printing() ? printAtom() : screenAtom(), document(), documentElement ? documentElement->computedStyle() : nullptr }; |
| 338 | |
| 339 | auto hasChanges = [&] { |
| 340 | for (auto& results : m_dynamicMediaQueryResults) { |
| 341 | if (results.result != evaluator.evaluate(results.mediaQueryList)) |
| 342 | return true; |
| 343 | } |
| 344 | return false; |
| 345 | }(); |
| 346 | |
| 347 | if (!hasChanges) |
| 348 | return; |
| 349 | |
| 350 | selectImageSource(RelevantMutation::No); |
| 351 | } |
| 352 | |
| 353 | void HTMLImageElement::selectImageSource(RelevantMutation relevantMutation) |
| 354 | { |
| 355 | m_dynamicMediaQueryResults = { }; |
| 356 | Ref document = this->document(); |
| 357 | document->removeDynamicMediaQueryDependentImage(*this); |
| 358 | |
| 359 | // First look for the best fit source from our <picture> parent if we have one. |
| 360 | ImageCandidate candidate = bestFitSourceFromPictureElement(); |
| 361 | if (candidate.isEmpty()) { |
| 362 | setSourceElement(nullptr); |
| 363 | auto srcAttribute = attributeWithoutSynchronization(srcAttr); |
| 364 | auto srcsetAttribute = attributeWithoutSynchronization(srcsetAttr); |
| 365 | // This is extremely common case. We should not invoke SizesAttributeParser at all. |
| 366 | if (srcsetAttribute.isNull()) { |
| 367 | if (srcAttribute.isNull()) |
| 368 | candidate = { }; |
| 369 | else |
| 370 | candidate = ImageCandidate(StringViewWithUnderlyingString(srcAttribute, srcAttribute), DescriptorParsingResult(), ImageCandidate::SrcOrigin); |
| 371 | } else { |
| 372 | // If we don't have a <picture> or didn't find a source, then we use our own attributes. |
| 373 | SizesAttributeParser sizesParser(attributeWithoutSynchronization(sizesAttr).string(), document.get()); |
| 374 | m_dynamicMediaQueryResults.appendVector(sizesParser.dynamicMediaQueryResults()); |
| 375 | auto sourceSize = sizesParser.effectiveSize(); |
| 376 | candidate = bestFitSourceForImageAttributes(document->deviceScaleFactor(), srcAttribute, srcsetAttribute, sourceSize, [&](auto& candidate) { |
| 377 | return m_imageLoader->shouldIgnoreCandidateWhenLoadingFromArchive(candidate); |
| 378 | }); |
| 379 | } |
| 380 | } |
| 381 | setBestFitURLAndDPRFromImageCandidate(candidate); |
| 382 | m_imageLoader->updateFromElementIgnoringPreviousError(relevantMutation); |
| 383 | |
| 384 | if (!m_dynamicMediaQueryResults.isEmpty()) |
| 385 | document->addDynamicMediaQueryDependentImage(*this); |
| 386 | } |
| 387 | |
| 388 | bool HTMLImageElement::hasLazyLoadableAttributeValue(StringView attributeValue) |
| 389 | { |
| 390 | return equalLettersIgnoringASCIICase(attributeValue, "lazy"_s); |
| 391 | } |
| 392 | |
| 393 | void HTMLImageElement::attributeChanged(const QualifiedName& name, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason attributeModificationReason) |
| 394 | { |
| 395 | HTMLElement::attributeChanged(name, oldValue, newValue, attributeModificationReason); |
| 396 | |
| 397 | switch (name.nodeName()) { |
| 398 | case AttributeNames::altAttr: |
| 399 | if (CheckedPtr renderImage = dynamicDowncast<RenderImage>(renderer())) |
| 400 | renderImage->updateAltText(); |
| 401 | break; |
| 402 | case AttributeNames::srcAttr: |
| 403 | case AttributeNames::srcsetAttr: |
| 404 | case AttributeNames::sizesAttr: |
| 405 | if (oldValue != newValue) |
| 406 | selectImageSource(RelevantMutation::Yes); |
| 407 | else |
| 408 | m_imageLoader->updateFromElementIgnoringPreviousErrorToSameValue(); |
| 409 | break; |
| 410 | case AttributeNames::usemapAttr: { |
| 411 | Ref treeScope = this->treeScope(); |
| 412 | if (isInTreeScope() && !m_parsedUsemap.isNull()) |
| 413 | treeScope->removeImageElementByUsemap(m_parsedUsemap, *this); |
| 414 | m_parsedUsemap = parseHTMLHashNameReference(newValue); |
| 415 | if (isInTreeScope() && !m_parsedUsemap.isNull()) |
| 416 | treeScope->addImageElementByUsemap(m_parsedUsemap, *this); |
| 417 | break; |
| 418 | } |
| 419 | case AttributeNames::loadingAttr: |
| 420 | // No action needed for eager to lazy transition. |
| 421 | if (!hasLazyLoadableAttributeValue(newValue)) |
| 422 | loadDeferredImage(); |
| 423 | break; |
| 424 | case AttributeNames::referrerpolicyAttr: { |
| 425 | auto oldReferrerPolicy = parseReferrerPolicy(oldValue, ReferrerPolicySource::ReferrerPolicyAttribute).value_or(ReferrerPolicy::EmptyString); |
| 426 | auto newReferrerPolicy = parseReferrerPolicy(newValue, ReferrerPolicySource::ReferrerPolicyAttribute).value_or(ReferrerPolicy::EmptyString); |
| 427 | if (oldReferrerPolicy != newReferrerPolicy) |
| 428 | m_imageLoader->updateFromElementIgnoringPreviousError(RelevantMutation::Yes); |
| 429 | break; |
| 430 | } |
| 431 | case AttributeNames::crossoriginAttr: |
| 432 | if (parseCORSSettingsAttribute(oldValue) != parseCORSSettingsAttribute(newValue)) |
| 433 | m_imageLoader->updateFromElementIgnoringPreviousError(RelevantMutation::Yes); |
| 434 | break; |
| 435 | case AttributeNames::nameAttr: { |
| 436 | bool willHaveName = !newValue.isEmpty(); |
| 437 | if (RefPtr document = dynamicDowncast<HTMLDocument>(this->document()); document && m_hadNameBeforeAttributeChanged != willHaveName && isConnected() && !isInShadowTree()) { |
| 438 | const AtomString& id = getIdAttribute(); |
| 439 | if (!id.isEmpty() && id != getNameAttribute()) { |
| 440 | if (willHaveName) |
| 441 | document->addDocumentNamedItem(id, *this); |
| 442 | else |
| 443 | document->removeDocumentNamedItem(id, *this); |
| 444 | } |
| 445 | } |
| 446 | m_hadNameBeforeAttributeChanged = willHaveName; |
| 447 | break; |
| 448 | } |
| 449 | #if ENABLE(SPATIAL_IMAGE_CONTROLS)(defined ENABLE_SPATIAL_IMAGE_CONTROLS && ENABLE_SPATIAL_IMAGE_CONTROLS ) |
| 450 | case AttributeNames::controlsAttr: |
| 451 | SpatialImageControls::updateSpatialImageControls(*this); |
| 452 | break; |
| 453 | #endif |
| 454 | default: |
| 455 | break; |
| 456 | } |
| 457 | |
| 458 | #if ENABLE(SERVICE_CONTROLS)(defined ENABLE_SERVICE_CONTROLS && ENABLE_SERVICE_CONTROLS ) |
| 459 | if (isImageMenuEnabled()) |
| 460 | ImageControlsMac::updateImageControls(*this); |
| 461 | #endif |
| 462 | } |
| 463 | |
| 464 | void HTMLImageElement::loadDeferredImage() |
| 465 | { |
| 466 | m_imageLoader->loadDeferredImage(); |
| 467 | } |
| 468 | |
| 469 | const AtomString& HTMLImageElement::altText() const |
| 470 | { |
| 471 | // lets figure out the alt text.. magic stuff |
| 472 | // http://www.w3.org/TR/1998/REC-html40-19980424/appendix/notes.html#altgen |
| 473 | // also heavily discussed by Hixie on bugzilla |
| 474 | const AtomString& alt = attributeWithoutSynchronization(altAttr); |
| 475 | if (!alt.isNull()) |
| 476 | return alt; |
| 477 | // fall back to title attribute |
| 478 | return attributeWithoutSynchronization(titleAttr); |
| 479 | } |
| 480 | |
| 481 | RenderPtr<RenderElement> HTMLImageElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&) |
| 482 | { |
| 483 | if (style.content().isData()) |
| 484 | return RenderElement::createFor(*this, WTF::move(style)); |
| 485 | |
| 486 | return createRenderer<RenderImage>(RenderObject::Type::Image, *this, WTF::move(style), nullptr, m_imageDevicePixelRatio); |
| 487 | } |
| 488 | |
| 489 | bool HTMLImageElement::isReplaced(const RenderStyle* style) const |
| 490 | { |
| 491 | return !style || !style->content().isData(); |
| 492 | } |
| 493 | |
| 494 | bool HTMLImageElement::canStartSelection() const |
| 495 | { |
| 496 | if (shadowRoot()) |
| 497 | return HTMLElement::canStartSelection(); |
| 498 | |
| 499 | return false; |
| 500 | } |
| 501 | |
| 502 | bool HTMLImageElement::isInteractiveContent() const |
| 503 | { |
| 504 | return hasAttributeWithoutSynchronization(usemapAttr); |
| 505 | } |
| 506 | |
| 507 | void HTMLImageElement::didAttachRenderers() |
| 508 | { |
| 509 | CheckedPtr renderImage = dynamicDowncast<RenderImage>(renderer()); |
| 510 | if (!renderImage) |
| 511 | return; |
| 512 | if (m_imageLoader->hasPendingBeforeLoadEvent()) |
| 513 | return; |
| 514 | |
| 515 | #if ENABLE(SERVICE_CONTROLS)(defined ENABLE_SERVICE_CONTROLS && ENABLE_SERVICE_CONTROLS ) |
| 516 | ImageControlsMac::updateImageControls(*this); |
| 517 | #endif |
| 518 | |
| 519 | CheckedRef renderImageResource = renderImage->imageResource(); |
| 520 | if (renderImageResource->cachedImage()) |
| 521 | return; |
| 522 | renderImageResource->setCachedImage(protect(m_imageLoader->image())); |
| 523 | |
| 524 | // If we have no image at all because we have no src attribute, set |
| 525 | // image height and width for the alt text instead. |
| 526 | if (!m_imageLoader->image() && !renderImageResource->cachedImage()) |
| 527 | renderImage->setImageSizeForAltText(); |
| 528 | } |
| 529 | |
| 530 | Node::InsertedIntoAncestorResult HTMLImageElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree) |
| 531 | { |
| 532 | FormAssociatedElement::elementInsertedIntoAncestor(*this, insertionType); |
| 533 | if (!form()) |
| 534 | resetFormOwner(); |
| 535 | |
| 536 | // Insert needs to complete first, before we start updating the loader. Loader dispatches events which could result |
| 537 | // in callbacks back to this node. |
| 538 | Node::InsertedIntoAncestorResult insertNotificationRequest = HTMLElement::insertedIntoAncestor(insertionType, parentOfInsertedTree); |
| 539 | |
| 540 | if (insertionType.treeScopeChanged && !m_parsedUsemap.isNull()) |
| 541 | protect(treeScope())->addImageElementByUsemap(m_parsedUsemap, *this); |
| 542 | |
| 543 | if (auto* parentPicture = dynamicDowncast<HTMLPictureElement>(parentOfInsertedTree); parentPicture && &parentOfInsertedTree == parentElement()) { |
| 544 | // FIXME: When the hack in HTMLConstructionSite::createHTMLElementOrFindCustomElementInterface to eagerly call setPictureElement is removed, we can just assert !pictureElement(). |
| 545 | ASSERT(!pictureElement() || pictureElement() == &parentOfInsertedTree)((void)0); |
| 546 | setPictureElement(parentPicture); |
| 547 | selectImageSource(RelevantMutation::Yes); |
| 548 | return insertNotificationRequest; |
| 549 | } |
| 550 | |
| 551 | // If we have been inserted from a renderer-less document, |
| 552 | // our loader may have not fetched the image, so do it now. |
| 553 | if (insertionType.connectedToDocument && !m_imageLoader->image()) |
| 554 | m_imageLoader->updateFromElement(); |
| 555 | |
| 556 | return insertNotificationRequest; |
| 557 | } |
| 558 | |
| 559 | void HTMLImageElement::removedFromAncestor(RemovalType removalType, ContainerNode& oldParentOfRemovedTree) |
| 560 | { |
| 561 | if (removalType.treeScopeChanged && !m_parsedUsemap.isNull()) |
| 562 | protect(oldParentOfRemovedTree.treeScope())->removeImageElementByUsemap(m_parsedUsemap, *this); |
| 563 | |
| 564 | if (is<HTMLPictureElement>(oldParentOfRemovedTree) && !parentElement()) { |
| 565 | ASSERT(pictureElement() == &oldParentOfRemovedTree)((void)0); |
| 566 | setPictureElement(nullptr); |
| 567 | selectImageSource(RelevantMutation::Yes); |
| 568 | } |
| 569 | |
| 570 | HTMLElement::removedFromAncestor(removalType, oldParentOfRemovedTree); |
| 571 | FormAssociatedElement::elementRemovedFromAncestor(*this, removalType); |
| 572 | } |
| 573 | |
| 574 | HTMLPictureElement* HTMLImageElement::pictureElement() const |
| 575 | { |
| 576 | return m_pictureElement.get(); |
| 577 | } |
| 578 | |
| 579 | void HTMLImageElement::setPictureElement(HTMLPictureElement* pictureElement) |
| 580 | { |
| 581 | m_pictureElement = pictureElement; |
| 582 | } |
| 583 | |
| 584 | unsigned HTMLImageElement::width() |
| 585 | { |
| 586 | if (inRenderedDocument()) |
| 587 | protect(document())->updateLayoutIgnorePendingStylesheets({ LayoutOptions::TreatContentVisibilityHiddenAsVisible, LayoutOptions::TreatContentVisibilityAutoAsVisible }, this); |
| 588 | |
| 589 | if (!renderer()) { |
| 590 | // check the attribute first for an explicit pixel value |
| 591 | auto optionalWidth = parseHTMLNonNegativeInteger(attributeWithoutSynchronization(widthAttr)); |
| 592 | if (optionalWidth) |
| 593 | return optionalWidth.value(); |
| 594 | |
| 595 | // if the image is available, use its width |
| 596 | if (m_imageLoader->image()) |
| 597 | return m_imageLoader->image()->imageSizeForRenderer(nullptr, 1.0f).width().toUnsigned(); |
| 598 | } |
| 599 | |
| 600 | CheckedPtr box = renderBox(); |
| 601 | if (!box) |
| 602 | return 0; |
| 603 | LayoutRect contentRect = box->contentBoxRect(); |
| 604 | return Style::adjustLayoutUnitForAbsoluteZoom(contentRect.width(), *box).round(); |
| 605 | } |
| 606 | |
| 607 | unsigned HTMLImageElement::height() |
| 608 | { |
| 609 | if (inRenderedDocument()) |
| 610 | protect(document())->updateLayoutIgnorePendingStylesheets({ LayoutOptions::TreatContentVisibilityHiddenAsVisible, LayoutOptions::TreatContentVisibilityAutoAsVisible }, this); |
| 611 | |
| 612 | if (!renderer()) { |
| 613 | // check the attribute first for an explicit pixel value |
| 614 | auto optionalHeight = parseHTMLNonNegativeInteger(attributeWithoutSynchronization(heightAttr)); |
| 615 | if (optionalHeight) |
| 616 | return optionalHeight.value(); |
| 617 | |
| 618 | // if the image is available, use its height |
| 619 | if (m_imageLoader->image()) |
| 620 | return m_imageLoader->image()->imageSizeForRenderer(nullptr, 1.0f).height().toUnsigned(); |
| 621 | } |
| 622 | |
| 623 | CheckedPtr box = renderBox(); |
| 624 | if (!box) |
| 625 | return 0; |
| 626 | LayoutRect contentRect = box->contentBoxRect(); |
| 627 | return Style::adjustLayoutUnitForAbsoluteZoom(contentRect.height(), *box).round(); |
| 628 | } |
| 629 | |
| 630 | float HTMLImageElement::effectiveImageDevicePixelRatio() const |
| 631 | { |
| 632 | if (!m_imageLoader->image()) |
| 633 | return 1.0f; |
| 634 | |
| 635 | RefPtr image = m_imageLoader->image()->image(); |
| 636 | if (image && image->drawsSVGImage()) |
| 637 | return 1.0f; |
| 638 | |
| 639 | return m_imageDevicePixelRatio; |
| 640 | } |
| 641 | |
| 642 | unsigned HTMLImageElement::naturalWidth() const |
| 643 | { |
| 644 | if (!m_imageLoader->image()) |
| 645 | return 0; |
| 646 | |
| 647 | return m_imageLoader->image()->unclampedImageSizeForRenderer(protect(renderer()).get(), effectiveImageDevicePixelRatio()).width().toUnsigned(); |
Call argument for 'this' parameter is uncounted and unsafe | |
| 648 | } |
| 649 | |
| 650 | unsigned HTMLImageElement::naturalHeight() const |
| 651 | { |
| 652 | if (!m_imageLoader->image()) |
| 653 | return 0; |
| 654 | |
| 655 | return m_imageLoader->image()->unclampedImageSizeForRenderer(protect(renderer()).get(), effectiveImageDevicePixelRatio()).height().toUnsigned(); |
| 656 | } |
| 657 | |
| 658 | bool HTMLImageElement::isURLAttribute(const Attribute& attribute) const |
| 659 | { |
| 660 | return attribute.name() == srcAttr |
| 661 | || attribute.name() == lowsrcAttr |
| 662 | || attribute.name() == longdescAttr |
| 663 | || (attribute.name() == usemapAttr && attribute.value().string()[0] != '#') |
| 664 | || HTMLElement::isURLAttribute(attribute); |
| 665 | } |
| 666 | |
| 667 | bool HTMLImageElement::attributeContainsURL(const Attribute& attribute) const |
| 668 | { |
| 669 | return attribute.name() == srcsetAttr |
| 670 | || HTMLElement::attributeContainsURL(attribute); |
| 671 | } |
| 672 | |
| 673 | String HTMLImageElement::completeURLsInAttributeValue(const URL& base, const Attribute& attribute, ResolveURLs resolveURLs) const |
| 674 | { |
| 675 | if (attribute.name() == srcsetAttr) { |
| 676 | if (resolveURLs == ResolveURLs::No) |
| 677 | return attribute.value(); |
| 678 | |
| 679 | Vector<ImageCandidate> imageCandidates = parseImageCandidatesFromSrcsetAttribute(StringView(attribute.value())); |
| 680 | |
| 681 | if (resolveURLs == ResolveURLs::NoExcludingURLsForPrivacy) { |
| 682 | bool needsToResolveURLs = false; |
| 683 | for (const auto& candidate : imageCandidates) { |
| 684 | auto urlString = candidate.string.toString(); |
| 685 | Ref document = this->document(); |
| 686 | auto completeURL = base.isNull() ? document->completeURL(urlString) : URL(base, urlString); |
| 687 | if (document->shouldMaskURLForBindings(completeURL)) { |
| 688 | needsToResolveURLs = true; |
| 689 | break; |
| 690 | } |
| 691 | } |
| 692 | |
| 693 | if (!needsToResolveURLs) |
| 694 | return attribute.value(); |
| 695 | } |
| 696 | |
| 697 | StringBuilder result; |
| 698 | for (const auto& candidate : imageCandidates) { |
| 699 | if (&candidate != &imageCandidates[0]) |
| 700 | result.append(", "_s); |
| 701 | result.append(resolveURLStringIfNeeded(candidate.string.toString(), resolveURLs, base)); |
| 702 | if (candidate.density != UninitializedDescriptor) |
| 703 | result.append(' ', candidate.density, 'x'); |
| 704 | if (candidate.resourceWidth != UninitializedDescriptor) |
| 705 | result.append(' ', candidate.resourceWidth, 'w'); |
| 706 | } |
| 707 | |
| 708 | return result.toString(); |
| 709 | } |
| 710 | |
| 711 | return HTMLElement::completeURLsInAttributeValue(base, attribute, resolveURLs); |
| 712 | } |
| 713 | |
| 714 | Attribute HTMLImageElement::replaceURLsInAttributeValue(const Attribute& attribute, const CSS::SerializationContext& serializationContext) const |
| 715 | { |
| 716 | if (attribute.name() != srcsetAttr) |
| 717 | return attribute; |
| 718 | |
| 719 | if (serializationContext.replacementURLStrings.isEmpty()) |
| 720 | return attribute; |
| 721 | |
| 722 | return Attribute { srcsetAttr, AtomString { replaceURLsInSrcsetAttribute(*this, StringView(attribute.value()), serializationContext) } }; |
| 723 | } |
| 724 | |
| 725 | bool HTMLImageElement::matchesUsemap(const AtomString& name) const |
| 726 | { |
| 727 | return m_parsedUsemap == name; |
| 728 | } |
| 729 | |
| 730 | RefPtr<HTMLMapElement> HTMLImageElement::associatedMapElement() const |
| 731 | { |
| 732 | return protect(treeScope())->getImageMap(m_parsedUsemap); |
| 733 | } |
| 734 | |
| 735 | int HTMLImageElement::x() const |
| 736 | { |
| 737 | protect(document())->updateLayoutIgnorePendingStylesheets({ LayoutOptions::TreatContentVisibilityHiddenAsVisible, LayoutOptions::TreatContentVisibilityAutoAsVisible }, this); |
| 738 | CheckedPtr renderer = this->renderer(); |
| 739 | if (!renderer) |
| 740 | return 0; |
| 741 | |
| 742 | // FIXME: This doesn't work correctly with transforms. |
| 743 | return renderer->localToAbsolute().x(); |
| 744 | } |
| 745 | |
| 746 | int HTMLImageElement::y() const |
| 747 | { |
| 748 | protect(document())->updateLayoutIgnorePendingStylesheets({ LayoutOptions::TreatContentVisibilityHiddenAsVisible, LayoutOptions::TreatContentVisibilityAutoAsVisible }, this); |
| 749 | CheckedPtr renderer = this->renderer(); |
| 750 | if (!renderer) |
| 751 | return 0; |
| 752 | |
| 753 | // FIXME: This doesn't work correctly with transforms. |
| 754 | return renderer->localToAbsolute().y(); |
| 755 | } |
| 756 | |
| 757 | bool HTMLImageElement::complete() const |
| 758 | { |
| 759 | return m_imageLoader->imageComplete(); |
| 760 | } |
| 761 | |
| 762 | String HTMLImageElement::decoding() const |
| 763 | { |
| 764 | switch (decodingMode()) { |
| 765 | case DecodingMode::Auto: |
| 766 | break; |
| 767 | case DecodingMode::Synchronous: |
| 768 | return "sync"_s; |
| 769 | case DecodingMode::Asynchronous: |
| 770 | return "async"_s; |
| 771 | } |
| 772 | return autoAtom(); |
| 773 | } |
| 774 | |
| 775 | DecodingMode HTMLImageElement::decodingMode() const |
| 776 | { |
| 777 | const AtomString& decodingMode = attributeWithoutSynchronization(decodingAttr); |
| 778 | if (equalLettersIgnoringASCIICase(decodingMode, "sync"_s)) |
| 779 | return DecodingMode::Synchronous; |
| 780 | if (equalLettersIgnoringASCIICase(decodingMode, "async"_s)) |
| 781 | return DecodingMode::Asynchronous; |
| 782 | return DecodingMode::Auto; |
| 783 | } |
| 784 | |
| 785 | void HTMLImageElement::decode(Ref<DeferredPromise>&& promise) |
| 786 | { |
| 787 | return m_imageLoader->decode(WTF::move(promise)); |
| 788 | } |
| 789 | |
| 790 | void HTMLImageElement::addSubresourceAttributeURLs(ListHashSet<URL>& urls) const |
| 791 | { |
| 792 | HTMLElement::addSubresourceAttributeURLs(urls); |
| 793 | |
| 794 | Ref document = this->document(); |
| 795 | addSubresourceURL(urls, document->completeURL(imageSourceURL())); |
| 796 | // FIXME: What about when the usemap attribute begins with "#"? |
| 797 | addSubresourceURL(urls, document->completeURL(attributeWithoutSynchronization(usemapAttr))); |
| 798 | } |
| 799 | |
| 800 | void HTMLImageElement::addCandidateSubresourceURLs(ListHashSet<URL>& urls) const |
| 801 | { |
| 802 | auto src = attributeWithoutSynchronization(srcAttr); |
| 803 | if (!src.isEmpty()) { |
| 804 | URL url { resolveURLStringIfNeeded(src) }; |
| 805 | if (!url.isNull()) |
| 806 | urls.add(url); |
| 807 | } |
| 808 | |
| 809 | getURLsFromSrcsetAttribute(*this, attributeWithoutSynchronization(srcsetAttr), urls); |
| 810 | } |
| 811 | |
| 812 | void HTMLImageElement::didMoveToNewDocument(Document& oldDocument, Document& newDocument) |
| 813 | { |
| 814 | ActiveDOMObject::didMoveToNewDocument(newDocument); |
| 815 | oldDocument.removeDynamicMediaQueryDependentImage(*this); |
| 816 | |
| 817 | selectImageSource(RelevantMutation::No); |
| 818 | m_imageLoader->elementDidMoveToNewDocument(oldDocument); |
| 819 | HTMLElement::didMoveToNewDocument(oldDocument, newDocument); |
| 820 | if (RefPtr element = pictureElement()) |
| 821 | element->sourcesChanged(); |
| 822 | } |
| 823 | |
| 824 | bool HTMLImageElement::isServerMap() const |
| 825 | { |
| 826 | if (!hasAttributeWithoutSynchronization(ismapAttr)) |
| 827 | return false; |
| 828 | |
| 829 | const AtomString& usemap = attributeWithoutSynchronization(usemapAttr); |
| 830 | |
| 831 | // If the usemap attribute starts with '#', it refers to a map element in the document. |
| 832 | if (usemap.string()[0] == '#') |
| 833 | return false; |
| 834 | |
| 835 | return protect(document())->completeURL(usemap).isEmpty(); |
| 836 | } |
| 837 | |
| 838 | String HTMLImageElement::crossOrigin() const |
| 839 | { |
| 840 | return parseCORSSettingsAttribute(attributeWithoutSynchronization(crossoriginAttr)); |
| 841 | } |
| 842 | |
| 843 | bool HTMLImageElement::allowsOrientationOverride() const |
| 844 | { |
| 845 | if (auto* cachedImage = this->cachedImage()) |
| 846 | return cachedImage->allowsOrientationOverride(); |
| 847 | return true; |
| 848 | } |
| 849 | |
| 850 | Image* HTMLImageElement::image() const |
| 851 | { |
| 852 | if (auto* cachedImage = this->cachedImage()) |
| 853 | return cachedImage->image(); |
| 854 | return nullptr; |
| 855 | } |
| 856 | |
| 857 | bool HTMLImageElement::allowsAnimation() const |
| 858 | { |
| 859 | if (RefPtr image = this->image()) |
| 860 | return image->allowsAnimation().value_or(document().page() ? document().page()->imageAnimationEnabled() : false); |
| 861 | return false; |
| 862 | } |
| 863 | |
| 864 | #if ENABLE(ACCESSIBILITY_ANIMATION_CONTROL)(defined 1 && 1) |
| 865 | void HTMLImageElement::setAllowsAnimation(std::optional<bool> allowsAnimation) |
| 866 | { |
| 867 | if (RefPtr image = this->image()) { |
| 868 | image->setAllowsAnimation(allowsAnimation); |
| 869 | if (CheckedPtr renderer = this->renderer()) |
| 870 | renderer->repaint(); |
| 871 | |
| 872 | if (RefPtr page = document().page()) { |
| 873 | if (allowsAnimation.value_or(false)) |
| 874 | page->addIndividuallyPlayingAnimationElement(*this); |
| 875 | else |
| 876 | page->removeIndividuallyPlayingAnimationElement(*this); |
| 877 | } |
| 878 | } |
| 879 | } |
| 880 | #endif |
| 881 | |
| 882 | #if ENABLE(ATTACHMENT_ELEMENT)(defined 1 && 1) |
| 883 | |
| 884 | void HTMLImageElement::setAttachmentElement(Ref<HTMLAttachmentElement>&& attachment) |
| 885 | { |
| 886 | AttachmentAssociatedElement::setAttachmentElement(WTF::move(attachment)); |
| 887 | |
| 888 | #if ENABLE(SERVICE_CONTROLS)(defined ENABLE_SERVICE_CONTROLS && ENABLE_SERVICE_CONTROLS ) |
| 889 | bool shouldEnableImageMenu = true; |
| 890 | #if ENABLE(MULTI_REPRESENTATION_HEIC)(defined ENABLE_MULTI_REPRESENTATION_HEIC && ENABLE_MULTI_REPRESENTATION_HEIC ) |
| 891 | shouldEnableImageMenu = !isMultiRepresentationHEIC(); |
| 892 | #endif |
| 893 | setImageMenuEnabled(shouldEnableImageMenu); |
| 894 | #endif // ENABLE(SERVICE_CONTROLS) |
| 895 | } |
| 896 | |
| 897 | #endif // ENABLE(ATTACHMENT_ELEMENT) |
| 898 | |
| 899 | #if ENABLE(SERVICE_CONTROLS)(defined ENABLE_SERVICE_CONTROLS && ENABLE_SERVICE_CONTROLS ) |
| 900 | bool HTMLImageElement::childShouldCreateRenderer(const Node& child) const |
| 901 | { |
| 902 | return hasShadowRootParent(child) && HTMLElement::childShouldCreateRenderer(child); |
| 903 | } |
| 904 | #endif |
| 905 | |
| 906 | #if ENABLE(CONTENT_CHANGE_OBSERVER)(defined 1 && 1) |
| 907 | // FIXME: We should find a better place for the touch callout logic. See rdar://problem/48937767. |
| 908 | bool HTMLImageElement::willRespondToMouseClickEventsWithEditability(Editability editability, IgnoreTouchCallout ignoreTouchCallout) const |
| 909 | { |
| 910 | #if ENABLE(WEBKIT_TOUCH_CALLOUT_CSS_PROPERTY)(defined 1 && 1) |
| 911 | CheckedPtr renderer = this->renderer(); |
| 912 | bool touchCalloutIsDefault = !renderer || renderer->style().touchCallout() == Style::WebkitTouchCallout::Default; |
| 913 | #else |
| 914 | bool touchCalloutIsDefault = true; |
| 915 | #endif |
| 916 | |
| 917 | if (ignoreTouchCallout == IgnoreTouchCallout::No && touchCalloutIsDefault) |
| 918 | return true; |
| 919 | return HTMLElement::willRespondToMouseClickEventsWithEditability(editability); |
| 920 | } |
| 921 | |
| 922 | bool HTMLImageElement::willRespondToMouseClickEventsWithEditability(Editability editability) const |
| 923 | { |
| 924 | return willRespondToMouseClickEventsWithEditability(editability, IgnoreTouchCallout::No); |
| 925 | } |
| 926 | #endif |
| 927 | |
| 928 | #if USE(SYSTEM_PREVIEW)(defined 1 && 1) |
| 929 | bool HTMLImageElement::isSystemPreviewImage() const |
| 930 | { |
| 931 | if (!document().settings().systemPreviewEnabled()) |
| 932 | return false; |
| 933 | |
| 934 | auto* parent = parentElement(); |
| 935 | if (auto* anchorElement = dynamicDowncast<HTMLAnchorElement>(parent)) |
| 936 | return anchorElement->isSystemPreviewLink(); |
| 937 | if (auto* pictureElement = dynamicDowncast<HTMLPictureElement>(parent)) |
| 938 | return pictureElement->isSystemPreviewImage(); |
| 939 | return false; |
| 940 | } |
| 941 | #endif |
| 942 | |
| 943 | #if ENABLE(MULTI_REPRESENTATION_HEIC)(defined ENABLE_MULTI_REPRESENTATION_HEIC && ENABLE_MULTI_REPRESENTATION_HEIC ) |
| 944 | bool HTMLImageElement::isMultiRepresentationHEIC() const |
| 945 | { |
| 946 | if (!m_sourceElement) |
| 947 | return false; |
| 948 | |
| 949 | auto& typeAttribute = m_sourceElement->attributeWithoutSynchronization(typeAttr); |
| 950 | return typeAttribute == "image/x-apple-adaptive-glyph"_s; |
| 951 | } |
| 952 | #endif |
| 953 | |
| 954 | void HTMLImageElement::copyNonAttributePropertiesFromElement(const Element& source) |
| 955 | { |
| 956 | #if ENABLE(ATTACHMENT_ELEMENT)(defined 1 && 1) |
| 957 | auto& sourceImage = downcast<HTMLImageElement>(source); |
| 958 | copyAttachmentAssociatedPropertiesFromElement(sourceImage); |
| 959 | #endif |
| 960 | Element::copyNonAttributePropertiesFromElement(source); |
| 961 | } |
| 962 | |
| 963 | CachedImage* HTMLImageElement::cachedImage() const |
| 964 | { |
| 965 | return m_imageLoader->image(); |
| 966 | } |
| 967 | |
| 968 | void HTMLImageElement::setLoadManually(bool loadManually) |
| 969 | { |
| 970 | m_imageLoader->setLoadManually(loadManually); |
| 971 | } |
| 972 | |
| 973 | bool HTMLImageElement::virtualHasPendingActivity() const |
| 974 | { |
| 975 | return m_imageLoader->hasPendingActivity(); |
| 976 | } |
| 977 | |
| 978 | size_t HTMLImageElement::pendingDecodePromisesCountForTesting() const |
| 979 | { |
| 980 | return m_imageLoader->pendingDecodePromisesCountForTesting(); |
| 981 | } |
| 982 | |
| 983 | bool HTMLImageElement::usesSrcsetOrPicture() const |
| 984 | { |
| 985 | return !attributeWithoutSynchronization(srcsetAttr).isNull() || !!pictureElement(); |
| 986 | } |
| 987 | |
| 988 | AtomString HTMLImageElement::srcsetForBindings() const |
| 989 | { |
| 990 | return getAttributeForBindings(srcsetAttr); |
| 991 | } |
| 992 | |
| 993 | bool HTMLImageElement::isDeferred() const |
| 994 | { |
| 995 | return m_imageLoader->isDeferred(); |
| 996 | } |
| 997 | |
| 998 | bool HTMLImageElement::isLazyLoadable() const |
| 999 | { |
| 1000 | if (!document().frame() || !protect(document().frame()->script())->canExecuteScripts(ReasonForCallingCanExecuteScripts::NotAboutToExecuteScript)) |
| 1001 | return false; |
| 1002 | return hasLazyLoadableAttributeValue(attributeWithoutSynchronization(HTMLNames::loadingAttr)); |
| 1003 | } |
| 1004 | |
| 1005 | String HTMLImageElement::referrerPolicyForBindings() const |
| 1006 | { |
| 1007 | return referrerPolicyToString(referrerPolicy()); |
| 1008 | } |
| 1009 | |
| 1010 | ReferrerPolicy HTMLImageElement::referrerPolicy() const |
| 1011 | { |
| 1012 | return parseReferrerPolicy(attributeWithoutSynchronization(referrerpolicyAttr), ReferrerPolicySource::ReferrerPolicyAttribute).value_or(ReferrerPolicy::EmptyString); |
| 1013 | } |
| 1014 | |
| 1015 | HTMLSourceElement* HTMLImageElement::sourceElement() const |
| 1016 | { |
| 1017 | return m_sourceElement.get(); |
| 1018 | } |
| 1019 | |
| 1020 | void HTMLImageElement::setSourceElement(HTMLSourceElement* sourceElement) |
| 1021 | { |
| 1022 | if (m_sourceElement == sourceElement) |
| 1023 | return; |
| 1024 | m_sourceElement = sourceElement; |
| 1025 | invalidateAttributeMapping(); |
| 1026 | } |
| 1027 | |
| 1028 | void HTMLImageElement::invalidateAttributeMapping() |
| 1029 | { |
| 1030 | ensureUniqueElementData().setPresentationalHintStyleIsDirty(true); |
| 1031 | invalidateStyle(); |
| 1032 | } |
| 1033 | |
| 1034 | Ref<Element> HTMLImageElement::cloneElementWithoutAttributesAndChildren(Document& document, CustomElementRegistry*) const |
| 1035 | { |
| 1036 | auto clone = create(document); |
| 1037 | #if ENABLE(ATTACHMENT_ELEMENT)(defined 1 && 1) |
| 1038 | cloneAttachmentAssociatedElementWithoutAttributesAndChildren(clone, document); |
| 1039 | #endif |
| 1040 | return clone; |
| 1041 | } |
| 1042 | |
| 1043 | String HTMLImageElement::fetchPriorityForBindings() const |
| 1044 | { |
| 1045 | return convertEnumerationToString(fetchPriority()); |
| 1046 | } |
| 1047 | |
| 1048 | RequestPriority HTMLImageElement::fetchPriority() const |
| 1049 | { |
| 1050 | return parseEnumerationFromString<RequestPriority>(attributeWithoutSynchronization(fetchpriorityAttr)).value_or(RequestPriority::Auto); |
| 1051 | } |
| 1052 | |
| 1053 | bool HTMLImageElement::originClean(const SecurityOrigin& origin) const |
| 1054 | { |
| 1055 | UNUSED_PARAM(origin)(void)origin; |
| 1056 | |
| 1057 | auto* cachedImage = this->cachedImage(); |
| 1058 | if (!cachedImage) |
| 1059 | return true; |
| 1060 | |
| 1061 | RefPtr image = cachedImage->image(); |
| 1062 | if (!image) |
| 1063 | return true; |
| 1064 | |
| 1065 | if (image->renderingTaintsOrigin()) |
| 1066 | return false; |
| 1067 | |
| 1068 | if (image->sourceURL().protocolIsData()) |
| 1069 | return true; |
| 1070 | |
| 1071 | if (cachedImage->isCORSCrossOrigin()) |
| 1072 | return false; |
| 1073 | |
| 1074 | ASSERT(cachedImage->origin())((void)0); |
| 1075 | ASSERT(origin.toString() == cachedImage->origin()->toString())((void)0); |
| 1076 | return true; |
| 1077 | } |
| 1078 | |
| 1079 | IntersectionObserverData& HTMLImageElement::ensureIntersectionObserverData() |
| 1080 | { |
| 1081 | if (!m_intersectionObserverData) |
| 1082 | m_intersectionObserverData = makeUnique<IntersectionObserverData>(); |
| 1083 | return *m_intersectionObserverData; |
| 1084 | } |
| 1085 | |
| 1086 | IntersectionObserverData* HTMLImageElement::intersectionObserverDataIfExists() const |
| 1087 | { |
| 1088 | return m_intersectionObserverData.get(); |
| 1089 | } |
| 1090 | |
| 1091 | } |