/* Copyright (C) 1998 Lars Knoll ([email protected]) Copyright (C) 2001 Dirk Mueller ([email protected]) Copyright (C) 2002 Waldo Bastian ([email protected]) Copyright (C) 2006 Samuel Weinig ([email protected]) Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "third_party/blink/renderer/core/loader/resource/image_resource.h" #include <stdint.h> #include <algorithm> #include <memory> #include <utility> #include "base/compiler_specific.h" #include "base/memory/scoped_refptr.h" #include "base/metrics/histogram_macros.h" #include "base/numerics/safe_conversions.h" #include "base/task/single_thread_task_runner.h" #include "third_party/blink/public/common/features.h" #include "third_party/blink/public/common/loader/referrer_utils.h" #include "third_party/blink/public/mojom/fetch/fetch_api_request.mojom-blink.h" #include "third_party/blink/public/platform/platform.h" #include "third_party/blink/renderer/core/loader/resource/image_resource_content.h" #include "third_party/blink/renderer/core/loader/resource/image_resource_info.h" #include "third_party/blink/renderer/platform/graphics/bitmap_image.h" #include "third_party/blink/renderer/platform/graphics/image.h" #include "third_party/blink/renderer/platform/instrumentation/instance_counters.h" #include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h" #include "third_party/blink/renderer/platform/loader/fetch/fetch_initiator_type_names.h" #include "third_party/blink/renderer/platform/loader/fetch/fetch_parameters.h" #include "third_party/blink/renderer/platform/loader/fetch/memory_cache.h" #include "third_party/blink/renderer/platform/loader/fetch/resource_client.h" #include "third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h" #include "third_party/blink/renderer/platform/loader/fetch/resource_load_timing.h" #include "third_party/blink/renderer/platform/loader/fetch/resource_loader.h" #include "third_party/blink/renderer/platform/loader/fetch/resource_loader_options.h" #include "third_party/blink/renderer/platform/loader/fetch/resource_loading_log.h" #include "third_party/blink/renderer/platform/loader/fetch/resource_status.h" #include "third_party/blink/renderer/platform/loader/fetch/unique_identifier.h" #include "third_party/blink/renderer/platform/network/http_parsers.h" #include "third_party/blink/renderer/platform/network/network_utils.h" #include "third_party/blink/renderer/platform/weborigin/kurl.h" #include "third_party/blink/renderer/platform/weborigin/reporting_disposition.h" #include "third_party/blink/renderer/platform/wtf/functional.h" #include "third_party/blink/renderer/platform/wtf/shared_buffer.h" #include "third_party/blink/renderer/platform/wtf/std_lib_extras.h" #include "third_party/blink/renderer/platform/wtf/wtf_size_t.h" #include "v8/include/v8.h" namespace blink { namespace { // The amount of time to wait before informing the clients that the image has // been updated (in seconds). This effectively throttles invalidations that // result from new data arriving for this image. constexpr auto kFlushDelay = …; wtf_size_t FindTransparentPlaceholderIndex(KURL image_url) { … } scoped_refptr<SharedBuffer> GetDataForTransparentPlaceholderImageIndex( wtf_size_t index) { … } void MarkKnownTransparentPlaceholderResourceRequestIfNeeded( ResourceRequest& resource_request) { … } ImageResource* CreateResourceForTransparentPlaceholderImage( const ResourceRequest& request, const ResourceLoaderOptions& options) { … } } // namespace class ImageResource::ImageResourceInfoImpl final : public GarbageCollected<ImageResourceInfoImpl>, public ImageResourceInfo { … }; class ImageResource::ImageResourceFactory : public NonTextResourceFactory { … }; ImageResource* ImageResource::Fetch(FetchParameters& params, ResourceFetcher* fetcher) { … } bool ImageResource::CanUseCacheValidator() const { … } // TODO(crbug.com/41496436): Rename this to `CreateForImageDocument`, // or remove ImageDocument dependency to this function. ImageResource* ImageResource::Create(const ResourceRequest& request, const DOMWrapperWorld* world) { … } ImageResource* ImageResource::CreateForTest(const KURL& url) { … } ImageResource::ImageResource(const ResourceRequest& resource_request, const ResourceLoaderOptions& options, ImageResourceContent* content) : … { … } ImageResource::~ImageResource() { … } void ImageResource::OnMemoryDump(WebMemoryDumpLevelOfDetail level_of_detail, WebProcessMemoryDump* memory_dump) const { … } void ImageResource::Trace(Visitor* visitor) const { … } bool ImageResource::HasClientsOrObservers() const { … } void ImageResource::DidAddClient(ResourceClient* client) { … } void ImageResource::DestroyDecodedDataForFailedRevalidation() { … } void ImageResource::DestroyDecodedDataIfPossible() { … } void ImageResource::AllClientsAndObserversRemoved() { … } scoped_refptr<const SharedBuffer> ImageResource::ResourceBuffer() const { … } void ImageResource::AppendData( absl::variant<SegmentedBuffer, base::span<const char>> data) { … } void ImageResource::FlushImageIfNeeded() { … } void ImageResource::DecodeError(bool all_data_received) { … } void ImageResource::UpdateImageAndClearBuffer() { … } void ImageResource::NotifyStartLoad() { … } void ImageResource::Finish(base::TimeTicks load_finish_time, base::SingleThreadTaskRunner* task_runner) { … } void ImageResource::FinishAsError(const ResourceError& error, base::SingleThreadTaskRunner* task_runner) { … } void ImageResource::ResponseReceived(const ResourceResponse& response) { … } void ImageResource::OnePartInMultipartReceived( const ResourceResponse& response) { … } // TODO(tsepez): should be declared UNSAFE_BUFFER_USAGE in the header. void ImageResource::MultipartDataReceived(const char* bytes, size_t size) { … } bool ImageResource::IsAccessAllowed( ImageResourceInfo::DoesCurrentFrameHaveSingleSecurityOrigin does_current_frame_has_single_security_origin) const { … } ImageResourceContent* ImageResource::GetContent() { … } const ImageResourceContent* ImageResource::GetContent() const { … } std::pair<ResourcePriority, ResourcePriority> ImageResource::PriorityFromObservers() { … } void ImageResource::UpdateImage( scoped_refptr<SharedBuffer> shared_buffer, ImageResourceContent::UpdateImageOption update_image_option, bool all_data_received) { … } void ImageResource::FlagAsUserAgentResource() { … } } // namespace blink
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