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| 1 /* | 1 /* |
| 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) | 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) |
| 3 Copyright (C) 2001 Dirk Mueller (mueller@kde.org) | 3 Copyright (C) 2001 Dirk Mueller (mueller@kde.org) |
| 4 Copyright (C) 2002 Waldo Bastian (bastian@kde.org) | 4 Copyright (C) 2002 Waldo Bastian (bastian@kde.org) |
| 5 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | 5 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
| 6 Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. | 6 Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
| 7 | 7 |
| 8 This library is free software; you can redistribute it and/or | 8 This library is free software; you can redistribute it and/or |
| 9 modify it under the terms of the GNU Library General Public | 9 modify it under the terms of the GNU Library General Public |
| 10 License as published by the Free Software Foundation; either | 10 License as published by the Free Software Foundation; either |
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| 127 class ImageResource::ImageResourceFactory : public ResourceFactory { | 127 class ImageResource::ImageResourceFactory : public ResourceFactory { |
| 128 STACK_ALLOCATED(); | 128 STACK_ALLOCATED(); |
| 129 | 129 |
| 130 public: | 130 public: |
| 131 ImageResourceFactory(const FetchParameters& fetch_params) | 131 ImageResourceFactory(const FetchParameters& fetch_params) |
| 132 : ResourceFactory(Resource::kImage), fetch_params_(&fetch_params) {} | 132 : ResourceFactory(Resource::kImage), fetch_params_(&fetch_params) {} |
| 133 | 133 |
| 134 Resource* Create(const ResourceRequest& request, | 134 Resource* Create(const ResourceRequest& request, |
| 135 const ResourceLoaderOptions& options, | 135 const ResourceLoaderOptions& options, |
| 136 const String&) const override { | 136 const String&) const override { |
| 137 return new ImageResource(request, options, ImageResourceContent::Create(), | 137 return new ImageResource(request, options, |
| 138 ImageResourceContent::CreateNotStarted(), |
| 138 fetch_params_->GetPlaceholderImageRequestType() == | 139 fetch_params_->GetPlaceholderImageRequestType() == |
| 139 FetchParameters::kAllowPlaceholder); | 140 FetchParameters::kAllowPlaceholder); |
| 140 } | 141 } |
| 141 | 142 |
| 142 private: | 143 private: |
| 143 // Weak, unowned pointer. Must outlive |this|. | 144 // Weak, unowned pointer. Must outlive |this|. |
| 144 const FetchParameters* fetch_params_; | 145 const FetchParameters* fetch_params_; |
| 145 }; | 146 }; |
| 146 | 147 |
| 147 ImageResource* ImageResource::Fetch(FetchParameters& params, | 148 ImageResource* ImageResource::Fetch(FetchParameters& params, |
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| 176 // placeholder, then do not reuse this resource. | 177 // placeholder, then do not reuse this resource. |
| 177 if (params.GetPlaceholderImageRequestType() != | 178 if (params.GetPlaceholderImageRequestType() != |
| 178 FetchParameters::kAllowPlaceholder && | 179 FetchParameters::kAllowPlaceholder && |
| 179 placeholder_option_ != PlaceholderOption::kDoNotReloadPlaceholder) | 180 placeholder_option_ != PlaceholderOption::kDoNotReloadPlaceholder) |
| 180 return false; | 181 return false; |
| 181 return true; | 182 return true; |
| 182 } | 183 } |
| 183 | 184 |
| 184 ImageResource* ImageResource::Create(const ResourceRequest& request) { | 185 ImageResource* ImageResource::Create(const ResourceRequest& request) { |
| 185 return new ImageResource(request, ResourceLoaderOptions(), | 186 return new ImageResource(request, ResourceLoaderOptions(), |
| 186 ImageResourceContent::Create(), false); | 187 ImageResourceContent::CreateNotStarted(), false); |
| 187 } | 188 } |
| 188 | 189 |
| 189 ImageResource::ImageResource(const ResourceRequest& resource_request, | 190 ImageResource::ImageResource(const ResourceRequest& resource_request, |
| 190 const ResourceLoaderOptions& options, | 191 const ResourceLoaderOptions& options, |
| 191 ImageResourceContent* content, | 192 ImageResourceContent* content, |
| 192 bool is_placeholder) | 193 bool is_placeholder) |
| 193 : Resource(resource_request, kImage, options), | 194 : Resource(resource_request, kImage, options), |
| 194 content_(content), | 195 content_(content), |
| 195 device_pixel_ratio_header_value_(1.0), | 196 device_pixel_ratio_header_value_(1.0), |
| 196 has_device_pixel_ratio_header_value_(false), | 197 has_device_pixel_ratio_header_value_(false), |
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| 599 // reloading in Step 3 due to notifyObservers()'s | 600 // reloading in Step 3 due to notifyObservers()'s |
| 600 // schedulingReloadOrShouldReloadBrokenPlaceholder() check. | 601 // schedulingReloadOrShouldReloadBrokenPlaceholder() check. |
| 601 // 3. reloadIfLoFiOrPlaceholderImage() is called via ResourceFetcher | 602 // 3. reloadIfLoFiOrPlaceholderImage() is called via ResourceFetcher |
| 602 // (a) via didFinishLoading() called in decodeError(), or | 603 // (a) via didFinishLoading() called in decodeError(), or |
| 603 // (b) after returning ImageResource::updateImage(). | 604 // (b) after returning ImageResource::updateImage(). |
| 604 DecodeError(all_data_received); | 605 DecodeError(all_data_received); |
| 605 } | 606 } |
| 606 } | 607 } |
| 607 | 608 |
| 608 } // namespace blink | 609 } // namespace blink |
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