1 /*
2 * Copyright (c) 2024 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 META_SRC_ANIMATION_KEYFRAME_ANIMATION_H
17 #define META_SRC_ANIMATION_KEYFRAME_ANIMATION_H
18
19 #include "animation.h"
20
META_BEGIN_NAMESPACE()21 META_BEGIN_NAMESPACE()
22
23 namespace Internal {
24
25 class KeyframeAnimation final
26 : public IntroduceInterfaces<PropertyAnimationFwd<IKeyframeAnimation>, IStartableAnimation> {
27 META_OBJECT(KeyframeAnimation, META_NS::ClassId::KeyframeAnimation, IntroduceInterfaces)
28 public:
29 KeyframeAnimation() = default;
30 ~KeyframeAnimation() override = default;
31
32 META_BEGIN_STATIC_DATA()
33 META_STATIC_PROPERTY_DATA(IKeyframeAnimation, IAny::Ptr, From)
34 META_STATIC_PROPERTY_DATA(IKeyframeAnimation, IAny::Ptr, To)
35 META_END_STATIC_DATA()
36 META_IMPLEMENT_PROPERTY(IAny::Ptr, From)
37 META_IMPLEMENT_PROPERTY(IAny::Ptr, To)
38
39 protected: // IStartableAnimation
40 void Pause() override;
41 void Restart() override;
42 void Seek(float position) override;
43 void Start() override;
44 void Stop() override;
45 void Finish() override;
46
47 public: // IModifier
48 EvaluationResult ProcessOnGet(IAny& value) override;
49
50 protected: // IAnimationInternal
51 void OnAnimationStateChanged(const AnimationStateChangedInfo& info) override;
52
53 private:
54 void Evaluate() override;
55 AnimationState::AnimationStateParams GetParams() override;
56 void OnPropertyChanged(const TargetProperty& property, const IStackProperty::Ptr& previous) override;
57 void Initialize();
58 IAny::Ptr currentValue_;
59 };
60
61 } // namespace Internal
62
63 META_END_NAMESPACE()
64
65 #endif // META_SRC_KEYFRAME_ANIMATION_H
66