third_party/blink/renderer/platform/graphics/paint/hit_test_data.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_GRAPHICS_PAINT_HIT_TEST_DATA_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PAINT_HIT_TEST_DATA_H_

#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/platform/graphics/paint/transform_paint_property_node.h"
#include "third_party/blink/renderer/platform/graphics/touch_action_rect.h"
#include "third_party/blink/renderer/platform/platform_export.h"

namespace blink {

struct PLATFORM_EXPORT HitTestData {
  USING_FAST_MALLOC(HitTestData);

 public:
  Vector<TouchActionRect> touch_action_rects;
  Vector<gfx::Rect> wheel_event_rects;

  // If scroll_translation is nullptr, this marks a region in which composited
  // scroll is not allowed. When scroll_translation is not nullptr, this is the
  // bounds of the scroll container, and whether the region allows composited
  // scrolling depends whether the scroll_translation is composited.
  gfx::Rect scroll_hit_test_rect;
  scoped_refptr<const TransformPaintPropertyNode> scroll_translation;

  bool operator==(const HitTestData& rhs) const {
    return touch_action_rects == rhs.touch_action_rects &&
           wheel_event_rects == rhs.wheel_event_rects &&
           scroll_hit_test_rect == rhs.scroll_hit_test_rect &&
           scroll_translation == rhs.scroll_translation;
  }
  bool operator!=(const HitTestData& rhs) const { return !(*this == rhs); }

  String ToString() const;
};

PLATFORM_EXPORT std::ostream& operator<<(std::ostream&, const HitTestData&);
PLATFORM_EXPORT std::ostream& operator<<(std::ostream&, const HitTestData*);

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PAINT_HIT_TEST_DATA_H_