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/*
* Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_PAGE_TOUCH_ADJUSTMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAGE_TOUCH_ADJUSTMENT_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/geometry/float_point.h"
#include "third_party/blink/renderer/platform/geometry/int_point.h"
#include "third_party/blink/renderer/platform/geometry/int_rect.h"
#include "third_party/blink/renderer/platform/geometry/layout_size.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class Node;
class LocalFrame;
bool FindBestClickableCandidate(Node*& target_node,
IntPoint& target_point,
const IntPoint& touch_hotspot,
const IntRect& touch_area,
const HeapVector<Member<Node>>&);
bool FindBestContextMenuCandidate(Node*& target_node,
IntPoint& target_point,
const IntPoint& touch_hotspot,
const IntRect& touch_area,
const HeapVector<Member<Node>>&);
// Applies an upper bound to the touch area as the adjustment rect. The
// touch_area is in root frame coordinates, which is in physical pixel when
// zoom-for-dsf is enabled, otherwise in dip (when page scale is 1).
CORE_EXPORT LayoutSize
GetHitTestRectForAdjustment(const LocalFrame& frame,
const LayoutSize& touch_area);
struct TouchAdjustmentResult {
uint32_t unique_event_id;
FloatPoint adjusted_point;
};
} // namespace blink
#endif