1 #ifndef __DALI_INTERNAL_GESTURE_DETECTOR_H__
2 #define __DALI_INTERNAL_GESTURE_DETECTOR_H__
5 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/public-api/common/vector-wrapper.h>
23 #include <dali/public-api/events/gesture.h>
24 #include <dali/public-api/math/vector2.h>
25 #include <dali/public-api/object/ref-object.h>
44 * Abstract Base class for all adaptor gesture detectors.
46 * @note this may be replaced by gesture events sent directly from X.
48 class GestureDetector : public RefObject
53 * Called by the gesture manager when it gets a touch event. The gesture detector should
54 * evaluate this event along with previously received events to determine whether the gesture
55 * they require has taken place.
56 * @param[in] event The latest touch event.
58 virtual void SendEvent(const Integration::TouchEvent& event) = 0;
61 * Called by the gesture manager when Core updates the gesture's detection requirements.
62 * @param[in] request The updated detection requirements.
64 virtual void Update(const Integration::GestureRequest& request) = 0;
67 * Returns the type of gesture detector.
68 * @return Type of gesture detector.
70 Gesture::Type GetType() const { return mType; }
75 * Protected Constructor. Should only be able to create derived class objects.
76 * @param[in] screenSize The size of the screen.
77 * @param[in] detectorType The type of gesture detector.
79 GestureDetector(Vector2 screenSize, Gesture::Type detectorType)
80 : mScreenSize(screenSize), mType(detectorType) {}
85 virtual ~GestureDetector() {}
93 typedef IntrusivePtr<GestureDetector> GestureDetectorPtr;
95 } // namespace Adaptor
97 } // namespace Internal
101 #endif // __DALI_INTERNAL_GESTURE_DETECTOR_H__