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| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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| 275 ->context() | 275 ->context() |
| 276 .getCachePolicy(); | 276 .getCachePolicy(); |
| 277 if (parentCachePolicy != CachePolicyVerify) | 277 if (parentCachePolicy != CachePolicyVerify) |
| 278 return parentCachePolicy; | 278 return parentCachePolicy; |
| 279 } | 279 } |
| 280 | 280 |
| 281 if (loadType == FrameLoadTypeReload) | 281 if (loadType == FrameLoadTypeReload) |
| 282 return CachePolicyRevalidate; | 282 return CachePolicyRevalidate; |
| 283 | 283 |
| 284 if (m_documentLoader && | 284 if (m_documentLoader && |
| 285 m_documentLoader->request().getCachePolicy() == | 285 m_documentLoader->getRequest().getCachePolicy() == |
| 286 WebCachePolicy::ReturnCacheDataElseLoad) | 286 WebCachePolicy::ReturnCacheDataElseLoad) |
| 287 return CachePolicyHistoryBuffer; | 287 return CachePolicyHistoryBuffer; |
| 288 | 288 |
| 289 // Returns CachePolicyVerify for other cases, mainly FrameLoadTypeStandard and | 289 // Returns CachePolicyVerify for other cases, mainly FrameLoadTypeStandard and |
| 290 // FrameLoadTypeReloadMainResource. See public/web/WebFrameLoadType.h to know | 290 // FrameLoadTypeReloadMainResource. See public/web/WebFrameLoadType.h to know |
| 291 // how these load types work. | 291 // how these load types work. |
| 292 return CachePolicyVerify; | 292 return CachePolicyVerify; |
| 293 } | 293 } |
| 294 | 294 |
| 295 static WebCachePolicy memoryCachePolicyToResourceRequestCachePolicy( | 295 static WebCachePolicy memoryCachePolicyToResourceRequestCachePolicy( |
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| 344 shouldDisallowFetchForMainFrameScript(request, defer, *m_document)) | 344 shouldDisallowFetchForMainFrameScript(request, defer, *m_document)) |
| 345 return WebCachePolicy::ReturnCacheDataDontLoad; | 345 return WebCachePolicy::ReturnCacheDataDontLoad; |
| 346 | 346 |
| 347 if (request.isConditional()) | 347 if (request.isConditional()) |
| 348 return WebCachePolicy::ValidatingCacheData; | 348 return WebCachePolicy::ValidatingCacheData; |
| 349 | 349 |
| 350 if (m_documentLoader && m_document && !m_document->loadEventFinished()) { | 350 if (m_documentLoader && m_document && !m_document->loadEventFinished()) { |
| 351 // For POST requests, we mutate the main resource's cache policy to avoid | 351 // For POST requests, we mutate the main resource's cache policy to avoid |
| 352 // form resubmission. This policy should not be inherited by subresources. | 352 // form resubmission. This policy should not be inherited by subresources. |
| 353 WebCachePolicy mainResourceCachePolicy = | 353 WebCachePolicy mainResourceCachePolicy = |
| 354 m_documentLoader->request().getCachePolicy(); | 354 m_documentLoader->getRequest().getCachePolicy(); |
| 355 if (m_documentLoader->request().httpMethod() == "POST") { | 355 if (m_documentLoader->getRequest().httpMethod() == "POST") { |
| 356 if (mainResourceCachePolicy == WebCachePolicy::ReturnCacheDataDontLoad) | 356 if (mainResourceCachePolicy == WebCachePolicy::ReturnCacheDataDontLoad) |
| 357 return WebCachePolicy::ReturnCacheDataElseLoad; | 357 return WebCachePolicy::ReturnCacheDataElseLoad; |
| 358 return WebCachePolicy::UseProtocolCachePolicy; | 358 return WebCachePolicy::UseProtocolCachePolicy; |
| 359 } | 359 } |
| 360 return memoryCachePolicyToResourceRequestCachePolicy(getCachePolicy()); | 360 return memoryCachePolicyToResourceRequestCachePolicy(getCachePolicy()); |
| 361 } | 361 } |
| 362 return WebCachePolicy::UseProtocolCachePolicy; | 362 return WebCachePolicy::UseProtocolCachePolicy; |
| 363 } | 363 } |
| 364 | 364 |
| 365 // The |m_documentLoader| is null in the FrameFetchContext of an imported | 365 // The |m_documentLoader| is null in the FrameFetchContext of an imported |
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| 1015 response); | 1015 response); |
| 1016 } | 1016 } |
| 1017 | 1017 |
| 1018 DEFINE_TRACE(FrameFetchContext) { | 1018 DEFINE_TRACE(FrameFetchContext) { |
| 1019 visitor->trace(m_document); | 1019 visitor->trace(m_document); |
| 1020 visitor->trace(m_documentLoader); | 1020 visitor->trace(m_documentLoader); |
| 1021 FetchContext::trace(visitor); | 1021 FetchContext::trace(visitor); |
| 1022 } | 1022 } |
| 1023 | 1023 |
| 1024 } // namespace blink | 1024 } // namespace blink |
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