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// Copyright 2015 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_PAINT_SCROLL_RECORDER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_SCROLL_RECORDER_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/paint/paint_phase.h"
#include "third_party/blink/renderer/platform/geometry/int_size.h"
#include "third_party/blink/renderer/platform/graphics/paint/display_item.h"
#include "third_party/blink/renderer/platform/wtf/allocator.h"
namespace blink {
class GraphicsContext;
// Emits display items which represent a region which is scrollable, so that it
// can be translated by the scroll offset.
class CORE_EXPORT ScrollRecorder {
USING_FAST_MALLOC(ScrollRecorder);
public:
ScrollRecorder(GraphicsContext&,
const DisplayItemClient&,
DisplayItem::Type,
const IntSize& current_offset);
ScrollRecorder(GraphicsContext&,
const DisplayItemClient&,
PaintPhase,
const IntSize& current_offset);
~ScrollRecorder();
private:
const DisplayItemClient& client_;
DisplayItem::Type begin_item_type_;
GraphicsContext& context_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_SCROLL_RECORDER_H_
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