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// Copyright 2017 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.
#include "base/containers/flat_map.h"
#include "cc/base/region.h"
#include "cc/cc_export.h"
#include "cc/input/touch_action.h"
namespace cc {
class Rect;
class CC_EXPORT TouchActionRegion {
TouchActionRegion(const TouchActionRegion& touch_action_region);
TouchActionRegion(TouchActionRegion&& touch_action_region);
void Union(TouchAction, const gfx::Rect&);
// Return all regions with any touch action.
Region GetAllRegions() const;
const Region& GetRegionForTouchAction(TouchAction) const;
bool IsEmpty() const { return map_.empty(); }
// Returns the touch actions that we are sure will be allowed at the point
// by finding the intersection of all touch actions whose regions contain the
// given point. If the map is empty, |TouchAction::kAuto| is returned since no
// touch actions have been explicitly defined and the default touch action
// is auto.
TouchAction GetAllowedTouchAction(const gfx::Point&) const;
TouchActionRegion& operator=(const TouchActionRegion& other);
TouchActionRegion& operator=(TouchActionRegion&& other);
bool operator==(const TouchActionRegion& other) const;
base::flat_map<TouchAction, Region> map_;
} // namespace cc