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1 /* | 1 /* |
2 * Copyright (C) 2013 Apple Inc. All rights reserved. | 2 * Copyright (C) 2013 Apple Inc. All rights reserved. |
3 * Copyright (C) 2013 Google Inc. All rights reserved. | 3 * Copyright (C) 2013 Google Inc. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are | 6 * modification, are permitted provided that the following conditions are |
7 * met: | 7 * met: |
8 * | 8 * |
9 * * Redistributions of source code must retain the above copyright | 9 * * Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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344 } | 344 } |
345 return i; | 345 return i; |
346 } | 346 } |
347 | 347 |
348 static unsigned avoidDownloadIfHigherDensityResourceIsInCache(Vector<ImageCandid
ate*>& imageCandidates, unsigned winner, Document* document) | 348 static unsigned avoidDownloadIfHigherDensityResourceIsInCache(Vector<ImageCandid
ate*>& imageCandidates, unsigned winner, Document* document) |
349 { | 349 { |
350 if (!document) | 350 if (!document) |
351 return winner; | 351 return winner; |
352 for (unsigned i = imageCandidates.size() - 1; i > winner; --i) { | 352 for (unsigned i = imageCandidates.size() - 1; i > winner; --i) { |
353 KURL url = document->completeURL(stripLeadingAndTrailingHTMLSpaces(image
Candidates[i]->url())); | 353 KURL url = document->completeURL(stripLeadingAndTrailingHTMLSpaces(image
Candidates[i]->url())); |
354 if (memoryCache()->resourceForURL(url, document->fetcher()->getCacheIden
tifier())) | 354 if (memoryCache()->resourceForURL(url, document->fetcher()->getCacheIden
tifier()) || url.protocolIsData()) |
355 return i; | 355 return i; |
356 } | 356 } |
357 return winner; | 357 return winner; |
358 } | 358 } |
359 | 359 |
360 static ImageCandidate pickBestImageCandidate(float deviceScaleFactor, float sour
ceSize, Vector<ImageCandidate>& imageCandidates, Document* document = nullptr) | 360 static ImageCandidate pickBestImageCandidate(float deviceScaleFactor, float sour
ceSize, Vector<ImageCandidate>& imageCandidates, Document* document = nullptr) |
361 { | 361 { |
362 const float defaultDensityValue = 1.0; | 362 const float defaultDensityValue = 1.0; |
363 bool ignoreSrc = false; | 363 bool ignoreSrc = false; |
364 if (imageCandidates.isEmpty()) | 364 if (imageCandidates.isEmpty()) |
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431 Vector<ImageCandidate> imageCandidates; | 431 Vector<ImageCandidate> imageCandidates; |
432 imageCandidates.append(srcsetImageCandidate); | 432 imageCandidates.append(srcsetImageCandidate); |
433 | 433 |
434 if (!srcAttribute.isEmpty()) | 434 if (!srcAttribute.isEmpty()) |
435 imageCandidates.append(ImageCandidate(srcAttribute, 0, srcAttribute.leng
th(), DescriptorParsingResult(), ImageCandidate::SrcOrigin)); | 435 imageCandidates.append(ImageCandidate(srcAttribute, 0, srcAttribute.leng
th(), DescriptorParsingResult(), ImageCandidate::SrcOrigin)); |
436 | 436 |
437 return pickBestImageCandidate(deviceScaleFactor, sourceSize, imageCandidates
).toString(); | 437 return pickBestImageCandidate(deviceScaleFactor, sourceSize, imageCandidates
).toString(); |
438 } | 438 } |
439 | 439 |
440 } | 440 } |
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