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 : public PropertyAnimationFwd<KeyframeAnimation, META_NS::ClassId::KeyframeAnimation,
26 IKeyframeAnimation, IStartableAnimation> {
27 using Super = PropertyAnimationFwd<KeyframeAnimation, META_NS::ClassId::KeyframeAnimation, IKeyframeAnimation,
28 IStartableAnimation>;
29
30 public:
31 KeyframeAnimation() = default;
32 ~KeyframeAnimation() override = default;
33
34 protected: // IKeyframeAnimation
35 META_IMPLEMENT_INTERFACE_PROPERTY(IKeyframeAnimation, IAny::Ptr, From);
36 META_IMPLEMENT_INTERFACE_PROPERTY(IKeyframeAnimation, IAny::Ptr, To);
37
38 protected: // IStartableAnimation
39 void Pause() override;
40 void Restart() override;
41 void Seek(float position) override;
42 void Start() override;
43 void Stop() override;
44 void Finish() override;
45
46 public: // IModifier
47 EvaluationResult ProcessOnGet(IAny& value) override;
48
49 protected: // IAnimationInternal
50 void OnAnimationStateChanged(const AnimationStateChangedInfo& info) override;
51
52 private:
53 void Evaluate() override;
54 AnimationState::AnimationStateParams GetParams() override;
55 void OnPropertyChanged(const TargetProperty& property, const IStackProperty::Ptr& previous) override;
56 void Initialize();
57 IAny::Ptr currentValue_;
58 };
59
60 } // namespace Internal
61
62 META_END_NAMESPACE()
63
64 #endif // META_SRC_KEYFRAME_ANIMATION_H
65