/* * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. * Copyright (C) 2009 Torch Mobile, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "third_party/blink/renderer/core/loader/resource/font_resource.h" #include <utility> #include "base/memory/weak_ptr.h" #include "base/metrics/histogram_functions.h" #include "base/numerics/checked_math.h" #include "base/numerics/safe_conversions.h" #include "base/task/single_thread_task_runner.h" #include "base/trace_event/memory_dump_manager.h" #include "base/types/expected.h" #include "build/build_config.h" #include "mojo/public/cpp/system/data_pipe_drainer.h" #include "services/network/public/mojom/url_response_head.mojom.h" #include "third_party/blink/public/common/features.h" #include "third_party/blink/public/mojom/fetch/fetch_api_request.mojom-blink.h" #include "third_party/blink/public/mojom/loader/request_context_frame_type.mojom-blink.h" #include "third_party/blink/renderer/platform/fonts/font_custom_platform_data.h" #include "third_party/blink/renderer/platform/fonts/font_platform_data.h" #include "third_party/blink/renderer/platform/fonts/web_font_decoder.h" #include "third_party/blink/renderer/platform/heap/cross_thread_handle.h" #include "third_party/blink/renderer/platform/loader/fetch/fetch_parameters.h" #include "third_party/blink/renderer/platform/loader/fetch/resource_client_walker.h" #include "third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h" #include "third_party/blink/renderer/platform/loader/fetch/resource_loader.h" #include "third_party/blink/renderer/platform/scheduler/public/post_cross_thread_task.h" #include "third_party/blink/renderer/platform/scheduler/public/worker_pool.h" #include "third_party/blink/renderer/platform/wtf/cross_thread_copier_base.h" #include "third_party/blink/renderer/platform/wtf/cross_thread_copier_mojo.h" #include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h" #include "third_party/blink/renderer/platform/wtf/deque.h" #include "third_party/blink/renderer/platform/wtf/functional.h" #include "third_party/blink/renderer/platform/wtf/shared_buffer.h" #if BUILDFLAG(IS_WIN) #include "third_party/blink/renderer/platform/scheduler/public/non_main_thread.h" #include "third_party/blink/renderer/platform/wtf/std_lib_extras.h" #endif // IS_WIN ResultOrError; namespace WTF { template <> struct CrossThreadCopier<ResultOrError> { … }; template <> struct CrossThreadCopier<SegmentedBuffer> { … }; } // namespace WTF namespace blink { namespace { // Durations of font-display periods. // https://tabatkins.github.io/specs/css-font-display/#font-display-desc // TODO(toyoshim): Revisit short limit value once cache-aware font display is // launched. crbug.com/570205 constexpr base::TimeDelta kFontLoadWaitShort = …; constexpr base::TimeDelta kFontLoadWaitLong = …; base::expected<FontResource::DecodedResult, String> DecodeFont( SegmentedBuffer* buffer) { … } scoped_refptr<base::SequencedTaskRunner> GetFontDecodingTaskRunner() { … } } // namespace class FontResource::BackgroundFontProcessor final : public BackgroundResponseProcessor, public mojo::DataPipeDrainer::Client { … }; class FontResource::BackgroundFontProcessorFactory : public BackgroundResponseProcessorFactory { … }; FontResource::BackgroundFontProcessor::BackgroundFontProcessor( CrossThreadWeakHandle<FontResource> resource_handle) : … { … } FontResource::BackgroundFontProcessor::~BackgroundFontProcessor() = default; bool FontResource::BackgroundFontProcessor::MaybeStartProcessingResponse( network::mojom::URLResponseHeadPtr& head, mojo::ScopedDataPipeConsumerHandle& body, std::optional<mojo_base::BigBuffer>& cached_metadata_buffer, scoped_refptr<base::SequencedTaskRunner> background_task_runner, BackgroundResponseProcessor::Client* client) { … } void FontResource::BackgroundFontProcessor::OnDataAvailable( base::span<const uint8_t> data) { … } void FontResource::BackgroundFontProcessor::OnDataComplete() { … } // static void FontResource::BackgroundFontProcessor::DecodeOnBackgroundThread( SegmentedBuffer data, scoped_refptr<base::SequencedTaskRunner> background_task_runner, base::WeakPtr<BackgroundFontProcessor> weak_this) { … } void FontResource::BackgroundFontProcessor::OnDecodeComplete( base::expected<DecodedResult, String> result_or_error, SegmentedBuffer data) { … } FontResource::BackgroundFontProcessorFactory::BackgroundFontProcessorFactory( CrossThreadWeakHandle<FontResource> resource_handle) : … { … } FontResource::BackgroundFontProcessorFactory:: ~BackgroundFontProcessorFactory() = default; std::unique_ptr<BackgroundResponseProcessor> FontResource::BackgroundFontProcessorFactory::Create() && { … } FontResource* FontResource::Fetch(FetchParameters& params, ResourceFetcher* fetcher, FontResourceClient* client) { … } FontResource::FontResource(const ResourceRequest& resource_request, const ResourceLoaderOptions& options) : … { … } FontResource::~FontResource() = default; void FontResource::DidAddClient(ResourceClient* c) { … } void FontResource::SetRevalidatingRequest(const ResourceRequestHead& request) { … } void FontResource::StartLoadLimitTimersIfNecessary( base::SingleThreadTaskRunner* task_runner) { … } const FontCustomPlatformData* FontResource::GetCustomFontData() { … } void FontResource::WillReloadAfterDiskCacheMiss() { … } void FontResource::FontLoadShortLimitCallback() { … } void FontResource::FontLoadLongLimitCallback() { … } void FontResource::NotifyClientsShortLimitExceeded() { … } void FontResource::NotifyClientsLongLimitExceeded() { … } void FontResource::NotifyFinished() { … } bool FontResource::IsLowPriorityLoadingAllowedForRemoteFont() const { … } void FontResource::OnMemoryDump(WebMemoryDumpLevelOfDetail level, WebProcessMemoryDump* memory_dump) const { … } void FontResource::AddClearDataObserver( FontResourceClearDataObserver* observer) const { … } std::unique_ptr<BackgroundResponseProcessorFactory> FontResource::MaybeCreateBackgroundResponseProcessorFactory() { … } void FontResource::OnBackgroundDecodeFinished( base::expected<DecodedResult, String> result_or_error) { … } void FontResource::Trace(Visitor* visitor) const { … } } // namespace blink
Codebase Browser
chromium