third_party/WebKit/Source/core/frame/FrameViewAutoSizeInfo.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 FrameViewAutoSizeInfo_h
#define FrameViewAutoSizeInfo_h

#include "platform/geometry/IntSize.h"
#include "platform/heap/Handle.h"
#include "wtf/Allocator.h"
#include "wtf/Noncopyable.h"
#include "wtf/RefPtr.h"

namespace blink {

class FrameView;

class FrameViewAutoSizeInfo final
    : public GarbageCollected<FrameViewAutoSizeInfo> {
  WTF_MAKE_NONCOPYABLE(FrameViewAutoSizeInfo);

 public:
  static FrameViewAutoSizeInfo* create(FrameView* frameView) {
    return new FrameViewAutoSizeInfo(frameView);
  }

  void configureAutoSizeMode(const IntSize& minSize, const IntSize& maxSize);
  void autoSizeIfNeeded();

  DECLARE_TRACE();

 private:
  explicit FrameViewAutoSizeInfo(FrameView*);

  Member<FrameView> m_frameView;

  // The lower bound on the size when autosizing.
  IntSize m_minAutoSize;
  // The upper bound on the size when autosizing.
  IntSize m_maxAutoSize;

  bool m_inAutoSize;
  // True if autosize has been run since m_shouldAutoSize was set.
  bool m_didRunAutosize;
};

}  // namespace blink

#endif  // FrameViewAutoSizeInfo_h