chromium/third_party/blink/renderer/platform/loader/fetch/console_logger.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_CONSOLE_LOGGER_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_CONSOLE_LOGGER_H_

#include <optional>

#include "third_party/blink/public/mojom/devtools/console_message.mojom-blink-forward.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/member.h"
#include "third_party/blink/renderer/platform/heap/visitor.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"

namespace blink {

class ConsoleMessage;

// A pure virtual interface for console logging.
// Retaining an instance of ConsoleLogger may be dangerous because after the
// associated fetcher is detached it leads to a leak. Use
// DetachableConsoleLogger in such a case.
class PLATFORM_EXPORT ConsoleLogger : public GarbageCollectedMixin { … };

// A ConsoleLogger subclass which has Detach() method. An instance of
// DetachableConsoleLogger can be kept even when the associated fetcher is
// detached.
class PLATFORM_EXPORT DetachableConsoleLogger final
    : public GarbageCollected<DetachableConsoleLogger>,
      public ConsoleLogger { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_CONSOLE_LOGGER_H_