chromium/third_party/blink/renderer/core/script/pending_script.cc

/*
 * Copyright (C) 2010 Google, Inc. All Rights Reserved.
 *
 * 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 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 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/script/pending_script.h"

#include <optional>

#include "base/trace_event/trace_event.h"
#include "third_party/blink/public/mojom/script/script_type.mojom-shared.h"
#include "third_party/blink/public/mojom/use_counter/metrics/web_feature.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/script_controller.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/document_parser_timing.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/loader/render_blocking_resource_manager.h"
#include "third_party/blink/renderer/core/script/ignore_destructive_write_count_incrementer.h"
#include "third_party/blink/renderer/core/script/script_element_base.h"
#include "third_party/blink/renderer/platform/instrumentation/use_counter.h"
#include "third_party/blink/renderer/platform/scheduler/public/frame_scheduler.h"
#include "third_party/blink/renderer/platform/scheduler/public/task_attribution_tracker.h"

namespace blink {

namespace {
WebScopedVirtualTimePauser CreateWebScopedVirtualTimePauser(
    ScriptElementBase* element) { … }
}  // namespace

// See the comment about |is_in_document_write| in ScriptLoader::PrepareScript()
// about IsInDocumentWrite() use here.
PendingScript::PendingScript(ScriptElementBase* element,
                             const TextPosition& starting_position,
                             scheduler::TaskAttributionInfo* parent_task)
    : … { … }

PendingScript::~PendingScript() { … }

void PendingScript::Dispose() { … }

void PendingScript::WatchForLoad(PendingScriptClient* client) { … }

void PendingScript::StopWatchingForLoad() { … }

void PendingScript::PendingScriptFinished() { … }

ScriptElementBase* PendingScript::GetElement() const { … }

void PendingScript::MarkParserBlockingLoadStartTime() { … }

// <specdef href="https://html.spec.whatwg.org/C/#execute-the-script-block">
void PendingScript::ExecuteScriptBlock() { … }

// <specdef href="https://html.spec.whatwg.org/C/#execute-the-script-block">
void PendingScript::ExecuteScriptBlockInternal(
    Script* script,
    ScriptElementBase* element,
    bool was_canceled,
    bool is_external,
    bool created_during_document_write,
    base::TimeTicks parser_blocking_load_start_time,
    bool is_controlled_by_script_runner) { … }

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

bool PendingScript::IsControlledByScriptRunner() const { … }

}  // namespace blink