1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 
16 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_GESTURES_PINCH_GESTURE_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_GESTURES_PINCH_GESTURE_H
18 
19 #include <functional>
20 #include <string>
21 #include <vector>
22 
23 #include "base/geometry/offset.h"
24 #include "base/memory/ace_type.h"
25 #include "base/utils/macros.h"
26 #include "core/components_ng/gestures/gesture_info.h"
27 
28 namespace OHOS::Ace::NG {
29 
30 class ACE_FORCE_EXPORT PinchGesture : public Gesture {
31     DECLARE_ACE_TYPE(PinchGesture, Gesture);
32 
33 public:
PinchGesture(int32_t fingers,double distance)34     PinchGesture(int32_t fingers, double distance) : Gesture(fingers), distance_(distance)
35     {
36         if (gestureInfo_) {
37             gestureInfo_->SetType(GestureTypeName::PINCH_GESTURE);
38             gestureInfo_->SetRecognizerType(GestureTypeName::PINCH_GESTURE);
39         } else {
40             gestureInfo_ =
41                 MakeRefPtr<GestureInfo>(GestureTypeName::PINCH_GESTURE, GestureTypeName::PINCH_GESTURE, false);
42         }
43     }
44     ~PinchGesture() override = default;
45 
46 protected:
47     RefPtr<NGGestureRecognizer> CreateRecognizer() override;
48 
49 private:
50     double distance_ = 0.0;
51 };
52 
53 } // namespace OHOS::Ace::NG
54 
55 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_GESTURES_PINCH_GESTURE_H
56