blob: 878a5a469358e10261e3468a4b6ee2571b20feac [file] [log] [blame]
// Copyright (c) 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.
#ifndef CC_INPUT_SCROLL_BOUNDARY_BEHAVIOR_H_
#define CC_INPUT_SCROLL_BOUNDARY_BEHAVIOR_H_
#include "cc/cc_export.h"
namespace cc {
struct CC_EXPORT ScrollBoundaryBehavior {
enum ScrollBoundaryBehaviorType {
// Same as contain but also hint that no overscroll affordance should be
// triggered.
kScrollBoundaryBehaviorTypeNone,
// Allows the default behavior for the user agent.
kScrollBoundaryBehaviorTypeAuto,
// Hint to disable scroll chaining. The user agent may show an appropriate
// overscroll affordance.
kScrollBoundaryBehaviorTypeContain
};
ScrollBoundaryBehavior()
: x(kScrollBoundaryBehaviorTypeAuto),
y(kScrollBoundaryBehaviorTypeAuto) {}
explicit ScrollBoundaryBehavior(ScrollBoundaryBehaviorType type)
: x(type), y(type) {}
ScrollBoundaryBehavior(ScrollBoundaryBehaviorType x_type,
ScrollBoundaryBehaviorType y_type)
: x(x_type), y(y_type) {}
ScrollBoundaryBehaviorType x;
ScrollBoundaryBehaviorType y;
bool operator==(const ScrollBoundaryBehavior& a) const {
return (a.x == x) && (a.y == y);
}
bool operator!=(const ScrollBoundaryBehavior& a) const {
return !(*this == a);
}
};
} // namespace cc
#endif // CC_INPUT_SCROLL_BOUNDARY_BEHAVIOR_H_