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| 1 /* | |
| 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) | |
| 3 Copyright (C) 2001 Dirk Mueller (mueller@kde.org) | |
| 4 Copyright (C) 2002 Waldo Bastian (bastian@kde.org) | |
| 5 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | |
| 6 Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. | |
| 7 | |
| 8 This library is free software; you can redistribute it and/or | |
| 9 modify it under the terms of the GNU Library General Public | |
| 10 License as published by the Free Software Foundation; either | |
| 11 version 2 of the License, or (at your option) any later version. | |
| 12 | |
| 13 This library is distributed in the hope that it will be useful, | |
| 14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 Library General Public License for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU Library General Public License | |
| 19 along with this library; see the file COPYING.LIB. If not, write to | |
| 20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 21 Boston, MA 02110-1301, USA. | |
| 22 */ | |
| 23 | |
| 24 #include "config.h" | |
| 25 #include "core/fetch/ImageResource.h" | |
| 26 | |
| 27 #include "core/fetch/ImageResourceClient.h" | |
| 28 #include "core/fetch/MemoryCache.h" | |
| 29 #include "core/fetch/ResourceClient.h" | |
| 30 #include "core/fetch/ResourceClientWalker.h" | |
| 31 #include "core/fetch/ResourceFetcher.h" | |
| 32 #include "core/fetch/ResourceLoader.h" | |
| 33 #include "core/html/HTMLImageElement.h" | |
| 34 #include "core/layout/LayoutObject.h" | |
| 35 #include "core/svg/graphics/SVGImage.h" | |
| 36 #include "core/svg/graphics/SVGImageForContainer.h" | |
| 37 #include "platform/Logging.h" | |
| 38 #include "platform/RuntimeEnabledFeatures.h" | |
| 39 #include "platform/SharedBuffer.h" | |
| 40 #include "platform/TraceEvent.h" | |
| 41 #include "platform/graphics/BitmapImage.h" | |
| 42 #include "public/platform/Platform.h" | |
| 43 #include "wtf/CurrentTime.h" | |
| 44 #include "wtf/StdLibExtras.h" | |
| 45 | |
| 46 namespace blink { | |
| 47 | |
| 48 void ImageResource::preCacheDataURIImage(const FetchRequest& request, ResourceFe
tcher* fetcher) | |
| 49 { | |
| 50 const KURL& url = request.resourceRequest().url(); | |
| 51 ASSERT(url.protocolIsData()); | |
| 52 | |
| 53 const String cacheIdentifier = fetcher->getCacheIdentifier(); | |
| 54 if (memoryCache()->resourceForURL(url, cacheIdentifier)) | |
| 55 return; | |
| 56 | |
| 57 WebString mimetype; | |
| 58 WebString charset; | |
| 59 RefPtr<SharedBuffer> data = PassRefPtr<SharedBuffer>(Platform::current()->pa
rseDataURL(url, mimetype, charset)); | |
| 60 if (!data) | |
| 61 return; | |
| 62 ResourceResponse response(url, mimetype, data->size(), charset, String()); | |
| 63 | |
| 64 Resource* resource = new ImageResource(request.resourceRequest()); | |
| 65 resource->setOptions(request.options()); | |
| 66 // FIXME: We should provide a body stream here. | |
| 67 resource->responseReceived(response, nullptr); | |
| 68 if (data->size()) | |
| 69 resource->setResourceBuffer(data); | |
| 70 resource->setCacheIdentifier(cacheIdentifier); | |
| 71 resource->finish(); | |
| 72 memoryCache()->add(resource); | |
| 73 fetcher->scheduleDocumentResourcesGC(); | |
| 74 } | |
| 75 | |
| 76 ResourcePtr<ImageResource> ImageResource::fetch(FetchRequest& request, ResourceF
etcher* fetcher) | |
| 77 { | |
| 78 if (request.resourceRequest().requestContext() == WebURLRequest::RequestCont
extUnspecified) | |
| 79 request.mutableResourceRequest().setRequestContext(WebURLRequest::Reques
tContextImage); | |
| 80 if (fetcher->context().pageDismissalEventBeingDispatched()) { | |
| 81 KURL requestURL = request.resourceRequest().url(); | |
| 82 if (requestURL.isValid() && fetcher->context().canRequest(Resource::Imag
e, request.resourceRequest(), requestURL, request.options(), request.forPreload(
), request.originRestriction())) | |
| 83 fetcher->context().sendImagePing(requestURL); | |
| 84 return 0; | |
| 85 } | |
| 86 | |
| 87 if (request.resourceRequest().url().protocolIsData()) | |
| 88 ImageResource::preCacheDataURIImage(request, fetcher); | |
| 89 | |
| 90 if (fetcher->clientDefersImage(request.resourceRequest().url())) | |
| 91 request.setDefer(FetchRequest::DeferredByClient); | |
| 92 | |
| 93 return toImageResource(fetcher->requestResource(request, ImageResourceFactor
y())); | |
| 94 } | |
| 95 | |
| 96 ImageResource::ImageResource(const ResourceRequest& resourceRequest) | |
| 97 : Resource(resourceRequest, Image) | |
| 98 , m_devicePixelRatioHeaderValue(1.0) | |
| 99 , m_image(nullptr) | |
| 100 , m_hasDevicePixelRatioHeaderValue(false) | |
| 101 { | |
| 102 WTF_LOG(Timers, "new ImageResource(ResourceRequest) %p", this); | |
| 103 setStatus(Unknown); | |
| 104 setCustomAcceptHeader(); | |
| 105 } | |
| 106 | |
| 107 ImageResource::ImageResource(blink::Image* image) | |
| 108 : Resource(ResourceRequest(""), Image) | |
| 109 , m_devicePixelRatioHeaderValue(1.0) | |
| 110 , m_image(image) | |
| 111 , m_hasDevicePixelRatioHeaderValue(false) | |
| 112 { | |
| 113 WTF_LOG(Timers, "new ImageResource(Image) %p", this); | |
| 114 setStatus(Cached); | |
| 115 setLoading(false); | |
| 116 setCustomAcceptHeader(); | |
| 117 } | |
| 118 | |
| 119 ImageResource::ImageResource(const ResourceRequest& resourceRequest, blink::Imag
e* image) | |
| 120 : Resource(resourceRequest, Image) | |
| 121 , m_image(image) | |
| 122 { | |
| 123 WTF_LOG(Timers, "new ImageResource(ResourceRequest, Image) %p", this); | |
| 124 setStatus(Cached); | |
| 125 setLoading(false); | |
| 126 setCustomAcceptHeader(); | |
| 127 } | |
| 128 | |
| 129 ImageResource::~ImageResource() | |
| 130 { | |
| 131 WTF_LOG(Timers, "~ImageResource %p", this); | |
| 132 clearImage(); | |
| 133 } | |
| 134 | |
| 135 void ImageResource::load(ResourceFetcher* fetcher, const ResourceLoaderOptions&
options) | |
| 136 { | |
| 137 if (!fetcher || fetcher->autoLoadImages()) | |
| 138 Resource::load(fetcher, options); | |
| 139 else | |
| 140 setLoading(false); | |
| 141 } | |
| 142 | |
| 143 void ImageResource::didAddClient(ResourceClient* c) | |
| 144 { | |
| 145 if (m_data && !m_image && !errorOccurred()) { | |
| 146 createImage(); | |
| 147 m_image->setData(m_data, true); | |
| 148 } | |
| 149 | |
| 150 ASSERT(c->resourceClientType() == ImageResourceClient::expectedType()); | |
| 151 if (m_image && !m_image->isNull()) | |
| 152 static_cast<ImageResourceClient*>(c)->imageChanged(this); | |
| 153 | |
| 154 Resource::didAddClient(c); | |
| 155 } | |
| 156 | |
| 157 void ImageResource::didRemoveClient(ResourceClient* c) | |
| 158 { | |
| 159 ASSERT(c); | |
| 160 ASSERT(c->resourceClientType() == ImageResourceClient::expectedType()); | |
| 161 if (m_imageForContainerMap) | |
| 162 m_imageForContainerMap->remove(static_cast<ImageResourceClient*>(c)); | |
| 163 | |
| 164 Resource::didRemoveClient(c); | |
| 165 } | |
| 166 | |
| 167 bool ImageResource::isSafeToUnlock() const | |
| 168 { | |
| 169 // Note that |m_image| holds a reference to |m_data| in addition to the one
held by the Resource parent class. | |
| 170 return !m_image || (m_image->hasOneRef() && m_data->refCount() == 2); | |
| 171 } | |
| 172 | |
| 173 void ImageResource::destroyDecodedDataIfPossible() | |
| 174 { | |
| 175 if (!hasClients() && !isLoading() && (!m_image || (m_image->hasOneRef() && m
_image->isBitmapImage()))) { | |
| 176 m_image = nullptr; | |
| 177 setDecodedSize(0); | |
| 178 } else if (m_image && !errorOccurred()) { | |
| 179 m_image->destroyDecodedData(true); | |
| 180 } | |
| 181 } | |
| 182 | |
| 183 void ImageResource::allClientsRemoved() | |
| 184 { | |
| 185 if (m_image && !errorOccurred()) | |
| 186 m_image->resetAnimation(); | |
| 187 Resource::allClientsRemoved(); | |
| 188 } | |
| 189 | |
| 190 pair<blink::Image*, float> ImageResource::brokenImage(float deviceScaleFactor) | |
| 191 { | |
| 192 if (deviceScaleFactor >= 2) { | |
| 193 DEFINE_STATIC_REF(blink::Image, brokenImageHiRes, (blink::Image::loadPla
tformResource("missingImage@2x"))); | |
| 194 return std::make_pair(brokenImageHiRes, 2); | |
| 195 } | |
| 196 | |
| 197 DEFINE_STATIC_REF(blink::Image, brokenImageLoRes, (blink::Image::loadPlatfor
mResource("missingImage"))); | |
| 198 return std::make_pair(brokenImageLoRes, 1); | |
| 199 } | |
| 200 | |
| 201 bool ImageResource::willPaintBrokenImage() const | |
| 202 { | |
| 203 return errorOccurred(); | |
| 204 } | |
| 205 | |
| 206 blink::Image* ImageResource::image() | |
| 207 { | |
| 208 ASSERT(!isPurgeable()); | |
| 209 | |
| 210 if (errorOccurred()) { | |
| 211 // Returning the 1x broken image is non-ideal, but we cannot reliably ac
cess the appropriate | |
| 212 // deviceScaleFactor from here. It is critical that callers use ImageRes
ource::brokenImage() | |
| 213 // when they need the real, deviceScaleFactor-appropriate broken image i
con. | |
| 214 return brokenImage(1).first; | |
| 215 } | |
| 216 | |
| 217 if (m_image) | |
| 218 return m_image.get(); | |
| 219 | |
| 220 return blink::Image::nullImage(); | |
| 221 } | |
| 222 | |
| 223 blink::Image* ImageResource::imageForLayoutObject(const LayoutObject* layoutObje
ct) | |
| 224 { | |
| 225 ASSERT(!isPurgeable()); | |
| 226 | |
| 227 if (errorOccurred()) { | |
| 228 // Returning the 1x broken image is non-ideal, but we cannot reliably ac
cess the appropriate | |
| 229 // deviceScaleFactor from here. It is critical that callers use ImageRes
ource::brokenImage() | |
| 230 // when they need the real, deviceScaleFactor-appropriate broken image i
con. | |
| 231 return brokenImage(1).first; | |
| 232 } | |
| 233 | |
| 234 if (!m_image) | |
| 235 return blink::Image::nullImage(); | |
| 236 | |
| 237 if (m_image->isSVGImage()) { | |
| 238 blink::Image* image = svgImageForLayoutObject(layoutObject); | |
| 239 if (image != blink::Image::nullImage()) | |
| 240 return image; | |
| 241 } | |
| 242 | |
| 243 return m_image.get(); | |
| 244 } | |
| 245 | |
| 246 void ImageResource::setContainerSizeForLayoutObject(const ImageResourceClient* l
ayoutObject, const IntSize& containerSize, float containerZoom) | |
| 247 { | |
| 248 if (containerSize.isEmpty()) | |
| 249 return; | |
| 250 ASSERT(layoutObject); | |
| 251 ASSERT(containerZoom); | |
| 252 if (!m_image) | |
| 253 return; | |
| 254 if (!m_image->isSVGImage()) { | |
| 255 m_image->setContainerSize(containerSize); | |
| 256 return; | |
| 257 } | |
| 258 | |
| 259 FloatSize containerSizeWithoutZoom(containerSize); | |
| 260 containerSizeWithoutZoom.scale(1 / containerZoom); | |
| 261 m_imageForContainerMap->set(layoutObject, SVGImageForContainer::create(toSVG
Image(m_image.get()), containerSizeWithoutZoom, containerZoom)); | |
| 262 } | |
| 263 | |
| 264 bool ImageResource::usesImageContainerSize() const | |
| 265 { | |
| 266 if (m_image) | |
| 267 return m_image->usesContainerSize(); | |
| 268 | |
| 269 return false; | |
| 270 } | |
| 271 | |
| 272 bool ImageResource::imageHasRelativeWidth() const | |
| 273 { | |
| 274 if (m_image) | |
| 275 return m_image->hasRelativeWidth(); | |
| 276 | |
| 277 return false; | |
| 278 } | |
| 279 | |
| 280 bool ImageResource::imageHasRelativeHeight() const | |
| 281 { | |
| 282 if (m_image) | |
| 283 return m_image->hasRelativeHeight(); | |
| 284 | |
| 285 return false; | |
| 286 } | |
| 287 | |
| 288 LayoutSize ImageResource::imageSizeForLayoutObject(const LayoutObject* layoutObj
ect, float multiplier, SizeType sizeType) | |
| 289 { | |
| 290 ASSERT(!isPurgeable()); | |
| 291 | |
| 292 if (!m_image) | |
| 293 return LayoutSize(); | |
| 294 | |
| 295 LayoutSize imageSize; | |
| 296 | |
| 297 if (m_image->isBitmapImage() && (layoutObject && layoutObject->shouldRespect
ImageOrientation() == RespectImageOrientation)) | |
| 298 imageSize = LayoutSize(toBitmapImage(m_image.get())->sizeRespectingOrien
tation()); | |
| 299 else if (m_image->isSVGImage() && sizeType == NormalSize) | |
| 300 imageSize = LayoutSize(svgImageSizeForLayoutObject(layoutObject)); | |
| 301 else | |
| 302 imageSize = LayoutSize(m_image->size()); | |
| 303 | |
| 304 if (multiplier == 1.0f) | |
| 305 return imageSize; | |
| 306 | |
| 307 // Don't let images that have a width/height >= 1 shrink below 1 when zoomed
. | |
| 308 float widthScale = m_image->hasRelativeWidth() ? 1.0f : multiplier; | |
| 309 float heightScale = m_image->hasRelativeHeight() ? 1.0f : multiplier; | |
| 310 LayoutSize minimumSize(imageSize.width() > 0 ? 1 : 0, imageSize.height() > 0
? 1 : 0); | |
| 311 imageSize.scale(widthScale, heightScale); | |
| 312 imageSize.clampToMinimumSize(minimumSize); | |
| 313 ASSERT(multiplier != 1.0f || (imageSize.width().fraction() == 0.0f && imageS
ize.height().fraction() == 0.0f)); | |
| 314 return imageSize; | |
| 315 } | |
| 316 | |
| 317 void ImageResource::computeIntrinsicDimensions(Length& intrinsicWidth, Length& i
ntrinsicHeight, FloatSize& intrinsicRatio) | |
| 318 { | |
| 319 if (m_image) | |
| 320 m_image->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, int
rinsicRatio); | |
| 321 } | |
| 322 | |
| 323 void ImageResource::notifyObservers(const IntRect* changeRect) | |
| 324 { | |
| 325 ResourceClientWalker<ImageResourceClient> w(m_clients); | |
| 326 while (ImageResourceClient* c = w.next()) | |
| 327 c->imageChanged(this, changeRect); | |
| 328 } | |
| 329 | |
| 330 void ImageResource::clear() | |
| 331 { | |
| 332 prune(); | |
| 333 clearImage(); | |
| 334 setEncodedSize(0); | |
| 335 } | |
| 336 | |
| 337 void ImageResource::setCustomAcceptHeader() | |
| 338 { | |
| 339 DEFINE_STATIC_LOCAL(const AtomicString, acceptImages, ("image/webp,image/*,*
/*;q=0.8", AtomicString::ConstructFromLiteral)); | |
| 340 setAccept(acceptImages); | |
| 341 } | |
| 342 | |
| 343 inline void ImageResource::createImage() | |
| 344 { | |
| 345 // Create the image if it doesn't yet exist. | |
| 346 if (m_image) | |
| 347 return; | |
| 348 | |
| 349 if (m_response.mimeType() == "image/svg+xml") { | |
| 350 m_image = SVGImage::create(this); | |
| 351 m_imageForContainerMap = adoptPtr(new ImageForContainerMap); | |
| 352 } else { | |
| 353 m_image = BitmapImage::create(this); | |
| 354 } | |
| 355 } | |
| 356 | |
| 357 inline void ImageResource::clearImage() | |
| 358 { | |
| 359 // If our Image has an observer, it's always us so we need to clear the back
pointer | |
| 360 // before dropping our reference. | |
| 361 if (m_image) | |
| 362 m_image->setImageObserver(nullptr); | |
| 363 m_image.clear(); | |
| 364 } | |
| 365 | |
| 366 void ImageResource::appendData(const char* data, unsigned length) | |
| 367 { | |
| 368 Resource::appendData(data, length); | |
| 369 if (!loadingMultipartContent()) | |
| 370 updateImage(false); | |
| 371 } | |
| 372 | |
| 373 void ImageResource::updateImage(bool allDataReceived) | |
| 374 { | |
| 375 TRACE_EVENT0("blink", "ImageResource::updateImage"); | |
| 376 | |
| 377 if (m_data) | |
| 378 createImage(); | |
| 379 | |
| 380 bool sizeAvailable = false; | |
| 381 | |
| 382 // Have the image update its data from its internal buffer. | |
| 383 // It will not do anything now, but will delay decoding until | |
| 384 // queried for info (like size or specific image frames). | |
| 385 if (m_image) | |
| 386 sizeAvailable = m_image->setData(m_data, allDataReceived); | |
| 387 | |
| 388 // Go ahead and tell our observers to try to draw if we have either | |
| 389 // received all the data or the size is known. Each chunk from the | |
| 390 // network causes observers to repaint, which will force that chunk | |
| 391 // to decode. | |
| 392 if (sizeAvailable || allDataReceived) { | |
| 393 if (!m_image || m_image->isNull()) { | |
| 394 error(errorOccurred() ? status() : DecodeError); | |
| 395 if (memoryCache()->contains(this)) | |
| 396 memoryCache()->remove(this); | |
| 397 return; | |
| 398 } | |
| 399 | |
| 400 // It would be nice to only redraw the decoded band of the image, but wi
th the current design | |
| 401 // (decoding delayed until painting) that seems hard. | |
| 402 notifyObservers(); | |
| 403 } | |
| 404 } | |
| 405 | |
| 406 void ImageResource::finishOnePart() | |
| 407 { | |
| 408 if (loadingMultipartContent()) | |
| 409 clear(); | |
| 410 updateImage(true); | |
| 411 if (loadingMultipartContent()) | |
| 412 m_data.clear(); | |
| 413 Resource::finishOnePart(); | |
| 414 } | |
| 415 | |
| 416 void ImageResource::error(Resource::Status status) | |
| 417 { | |
| 418 clear(); | |
| 419 Resource::error(status); | |
| 420 notifyObservers(); | |
| 421 } | |
| 422 | |
| 423 void ImageResource::responseReceived(const ResourceResponse& response, PassOwnPt
r<WebDataConsumerHandle> handle) | |
| 424 { | |
| 425 if (loadingMultipartContent() && m_data) | |
| 426 finishOnePart(); | |
| 427 if (RuntimeEnabledFeatures::clientHintsEnabled()) { | |
| 428 m_devicePixelRatioHeaderValue = response.httpHeaderField("content-dpr").
toFloat(&m_hasDevicePixelRatioHeaderValue); | |
| 429 if (!m_hasDevicePixelRatioHeaderValue || m_devicePixelRatioHeaderValue <
= 0.0) { | |
| 430 m_devicePixelRatioHeaderValue = 1.0; | |
| 431 m_hasDevicePixelRatioHeaderValue = false; | |
| 432 } | |
| 433 } | |
| 434 Resource::responseReceived(response, handle); | |
| 435 } | |
| 436 | |
| 437 void ImageResource::decodedSizeChanged(const blink::Image* image, int delta) | |
| 438 { | |
| 439 if (!image || image != m_image) | |
| 440 return; | |
| 441 | |
| 442 setDecodedSize(decodedSize() + delta); | |
| 443 } | |
| 444 | |
| 445 void ImageResource::didDraw(const blink::Image* image) | |
| 446 { | |
| 447 if (!image || image != m_image) | |
| 448 return; | |
| 449 // decodedSize() == 0 indicates that the image is decoded into DiscardableMe
mory, | |
| 450 // not in MemoryCache. So we don't need to call Resource::didAccessDecodedDa
ta() | |
| 451 // to update MemoryCache. | |
| 452 if (decodedSize() != 0) | |
| 453 Resource::didAccessDecodedData(); | |
| 454 } | |
| 455 | |
| 456 bool ImageResource::shouldPauseAnimation(const blink::Image* image) | |
| 457 { | |
| 458 if (!image || image != m_image) | |
| 459 return false; | |
| 460 | |
| 461 ResourceClientWalker<ImageResourceClient> w(m_clients); | |
| 462 while (ImageResourceClient* c = w.next()) { | |
| 463 if (c->willRenderImage(this)) | |
| 464 return false; | |
| 465 } | |
| 466 | |
| 467 return true; | |
| 468 } | |
| 469 | |
| 470 void ImageResource::animationAdvanced(const blink::Image* image) | |
| 471 { | |
| 472 if (!image || image != m_image) | |
| 473 return; | |
| 474 notifyObservers(); | |
| 475 } | |
| 476 | |
| 477 void ImageResource::updateImageAnimationPolicy() | |
| 478 { | |
| 479 if (!m_image) | |
| 480 return; | |
| 481 | |
| 482 ImageAnimationPolicy newPolicy = ImageAnimationPolicyAllowed; | |
| 483 ResourceClientWalker<ImageResourceClient> w(m_clients); | |
| 484 while (ImageResourceClient* c = w.next()) { | |
| 485 if (c->getImageAnimationPolicy(this, newPolicy)) | |
| 486 break; | |
| 487 } | |
| 488 | |
| 489 if (m_image->animationPolicy() != newPolicy) { | |
| 490 m_image->resetAnimation(); | |
| 491 m_image->setAnimationPolicy(newPolicy); | |
| 492 } | |
| 493 } | |
| 494 | |
| 495 void ImageResource::changedInRect(const blink::Image* image, const IntRect& rect
) | |
| 496 { | |
| 497 if (!image || image != m_image) | |
| 498 return; | |
| 499 notifyObservers(&rect); | |
| 500 } | |
| 501 | |
| 502 bool ImageResource::currentFrameKnownToBeOpaque(const LayoutObject* layoutObject
) | |
| 503 { | |
| 504 blink::Image* image = imageForLayoutObject(layoutObject); | |
| 505 if (image->isBitmapImage()) { | |
| 506 TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "PaintImage
", "data", InspectorPaintImageEvent::data(layoutObject, *this)); | |
| 507 SkBitmap dummy; | |
| 508 if (!image->bitmapForCurrentFrame(&dummy)) { // force decode | |
| 509 // We don't care about failures here, since we don't use "dummy" | |
| 510 } | |
| 511 } | |
| 512 return image->currentFrameKnownToBeOpaque(); | |
| 513 } | |
| 514 | |
| 515 bool ImageResource::isAccessAllowed(SecurityOrigin* securityOrigin) | |
| 516 { | |
| 517 if (response().wasFetchedViaServiceWorker()) | |
| 518 return response().serviceWorkerResponseType() != WebServiceWorkerRespons
eTypeOpaque; | |
| 519 if (!image()->currentFrameHasSingleSecurityOrigin()) | |
| 520 return false; | |
| 521 if (passesAccessControlCheck(securityOrigin)) | |
| 522 return true; | |
| 523 return !securityOrigin->taintsCanvas(response().url()); | |
| 524 } | |
| 525 | |
| 526 IntSize ImageResource::svgImageSizeForLayoutObject(const LayoutObject* layoutObj
ect) const | |
| 527 { | |
| 528 IntSize imageSize = m_image->size(); | |
| 529 if (!layoutObject) | |
| 530 return imageSize; | |
| 531 | |
| 532 ImageForContainerMap::const_iterator it = m_imageForContainerMap->find(layou
tObject); | |
| 533 if (it == m_imageForContainerMap->end()) | |
| 534 return imageSize; | |
| 535 | |
| 536 RefPtr<SVGImageForContainer> imageForContainer = it->value; | |
| 537 ASSERT(!imageForContainer->size().isEmpty()); | |
| 538 return imageForContainer->size(); | |
| 539 } | |
| 540 | |
| 541 // FIXME: This doesn't take into account the animation timeline so animations wi
ll not | |
| 542 // restart on page load, nor will two animations in different pages have differe
nt timelines. | |
| 543 Image* ImageResource::svgImageForLayoutObject(const LayoutObject* layoutObject) | |
| 544 { | |
| 545 if (!layoutObject) | |
| 546 return Image::nullImage(); | |
| 547 | |
| 548 ImageForContainerMap::iterator it = m_imageForContainerMap->find(layoutObjec
t); | |
| 549 if (it == m_imageForContainerMap->end()) | |
| 550 return Image::nullImage(); | |
| 551 | |
| 552 RefPtr<SVGImageForContainer> imageForContainer = it->value; | |
| 553 ASSERT(!imageForContainer->size().isEmpty()); | |
| 554 | |
| 555 Node* node = layoutObject->node(); | |
| 556 if (node && isHTMLImageElement(node)) { | |
| 557 const AtomicString& urlString = toHTMLImageElement(node)->imageSourceURL
(); | |
| 558 KURL url = node->document().completeURL(urlString); | |
| 559 imageForContainer->setURL(url); | |
| 560 } | |
| 561 | |
| 562 return imageForContainer.get(); | |
| 563 } | |
| 564 | |
| 565 bool ImageResource::loadingMultipartContent() const | |
| 566 { | |
| 567 return m_loader && m_loader->loadingMultipartContent(); | |
| 568 } | |
| 569 | |
| 570 } // namespace blink | |
| OLD | NEW |
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Chromium Code Reviews
Issue 1167583003:
Move Resource subclasses out of fetch/ (Closed)
Base URL: svn://svn.chromium.org/blink/trunk