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// Copyright (c) 2012 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 UI_EVENTS_GESTURES_GESTURE_TYPES_H_
#define UI_EVENTS_GESTURES_GESTURE_TYPES_H_
#include "ui/events/events_export.h"
namespace ui {
class GestureEvent;
class TouchEvent;
// An abstract type for consumers of gesture-events created by the
// gesture-recognizer.
class EVENTS_EXPORT GestureConsumer {
public:
virtual ~GestureConsumer() {}
};
// GestureEventHelper creates implementation-specific gesture events and
// can dispatch them.
class EVENTS_EXPORT GestureEventHelper {
public:
virtual ~GestureEventHelper() {
}
// Returns true if this helper can dispatch events to |consumer|.
virtual bool CanDispatchToConsumer(GestureConsumer* consumer) = 0;
virtual void DispatchGestureEvent(GestureConsumer* raw_input_consumer,
GestureEvent* event) = 0;
virtual void DispatchCancelTouchEvent(GestureConsumer* raw_input_consumer,
TouchEvent* event) = 0;
};
} // namespace ui
#endif // UI_EVENTS_GESTURES_GESTURE_TYPES_H_
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