chromium/src/third_party/blink/renderer/core/frame/frame_client.h

// Copyright 2014 The Chromium Authors. All rights reserved.
// 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_CORE_FRAME_FRAME_CLIENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_FRAME_CLIENT_H_

#include "base/unguessable_token.h"
#include "third_party/blink/public/mojom/frame/lifecycle.mojom-blink-forward.h"
#include "third_party/blink/public/platform/blame_context.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/heap/handle.h"

namespace blink {

class LocalFrame;
enum class FrameDetachType;
class IntRect;

class CORE_EXPORT FrameClient : public GarbageCollected<FrameClient> {
 public:
  virtual bool InShadowTree() const = 0;

  virtual void Detached(FrameDetachType) = 0;

  virtual unsigned BackForwardLength() = 0;

  virtual void OnMainFrameIntersectionChanged(
      const IntRect& intersection_rect) {}

  virtual base::UnguessableToken GetDevToolsFrameToken() const = 0;

  virtual ~FrameClient() = default;

  virtual void Trace(Visitor* visitor) const {}
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_FRAME_CLIENT_H_