chromium/third_party/blink/renderer/core/loader/resource/css_style_sheet_resource.cc

/*
    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 Apple Computer, Inc.

    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.

    This class provides all functionality needed for loading images, style
    sheets and html pages from the web. It has a memory cache for these objects.
*/

#include "third_party/blink/renderer/core/loader/resource/css_style_sheet_resource.h"

#include "base/metrics/histogram_functions.h"
#include "base/task/single_thread_task_runner.h"
#include "base/trace_event/trace_event.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/core/css/style_sheet_contents.h"
#include "third_party/blink/renderer/core/frame/web_feature.h"
#include "third_party/blink/renderer/platform/heap/cross_thread_persistent.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_fetcher.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_loader_options.h"
#include "third_party/blink/renderer/platform/loader/fetch/response_body_loader.h"
#include "third_party/blink/renderer/platform/loader/fetch/text_resource_decoder_options.h"
#include "third_party/blink/renderer/platform/network/http_names.h"
#include "third_party/blink/renderer/platform/network/mime/mime_type_registry.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/weborigin/security_policy.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_copier_std.h"
#include "third_party/blink/renderer/platform/wtf/text/string_builder.h"
#include "third_party/blink/renderer/platform/wtf/text/text_encoding.h"

namespace blink {
CSSStyleSheetResource* CSSStyleSheetResource::Fetch(FetchParameters& params,
                                                    ResourceFetcher* fetcher,
                                                    ResourceClient* client) { … }

CSSStyleSheetResource* CSSStyleSheetResource::CreateForTest(
    const KURL& url,
    const WTF::TextEncoding& encoding) { … }

CSSStyleSheetResource::CSSStyleSheetResource(
    const ResourceRequest& resource_request,
    const ResourceLoaderOptions& options,
    const TextResourceDecoderOptions& decoder_options)
    : … { … }

CSSStyleSheetResource::~CSSStyleSheetResource() = default;

void CSSStyleSheetResource::SetParsedStyleSheetCache(
    StyleSheetContents* new_sheet) { … }

void CSSStyleSheetResource::Trace(Visitor* visitor) const { … }

void CSSStyleSheetResource::OnMemoryDump(
    WebMemoryDumpLevelOfDetail level_of_detail,
    WebProcessMemoryDump* memory_dump) const { … }

network::mojom::ReferrerPolicy CSSStyleSheetResource::GetReferrerPolicy()
    const { … }

const String CSSStyleSheetResource::SheetText(
    const CSSParserContext* parser_context,
    MIMETypeCheck mime_type_check) const { … }

void CSSStyleSheetResource::NotifyFinished() { … }

void CSSStyleSheetResource::DestroyDecodedDataIfPossible() { … }

void CSSStyleSheetResource::DestroyDecodedDataForFailedRevalidation() { … }

bool CSSStyleSheetResource::CanUseSheet(const CSSParserContext* parser_context,
                                        MIMETypeCheck mime_type_check) const { … }

StyleSheetContents* CSSStyleSheetResource::CreateParsedStyleSheetFromCache(
    const CSSParserContext* context) { … }

void CSSStyleSheetResource::SaveParsedStyleSheet(StyleSheetContents* sheet) { … }

void CSSStyleSheetResource::SetDecodedSheetText(
    const String& decoded_sheet_text) { … }

void CSSStyleSheetResource::UpdateDecodedSize() { … }

}  // namespace blink