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_MODIFIERS_SPEED_H
17 #define META_SRC_ANIMATION_MODIFIERS_SPEED_H
18
19 #include <meta/api/property/property_event_handler.h>
20 #include <meta/base/namespace.h>
21 #include <meta/interface/animation/builtin_animations.h>
22 #include <meta/interface/animation/intf_animation_modifier.h>
23 #include <meta/interface/animation/modifiers/intf_speed.h>
24 #include <meta/interface/intf_manual_clock.h>
25 #include <meta/interface/object_macros.h>
26
27 #include "../animation_modifier.h"
28
META_BEGIN_NAMESPACE()29 META_BEGIN_NAMESPACE()
30
31 namespace AnimationModifiers {
32
33 class SpeedImpl final : public IntroduceInterfaces<AnimationModifierFwd, AnimationModifiers::ISpeed, INotifyOnChange> {
34 META_OBJECT(SpeedImpl, META_NS::ClassId::SpeedAnimationModifier, IntroduceInterfaces, ClassId::Object)
35 public:
36 bool Build(const IMetadata::Ptr& data) override;
37
38 public: // IAnimationModifier
39 bool ProcessOnGetDuration(DurationData& duration) const override;
40 bool ProcessOnStep(StepData& step) const override;
41
42 META_BEGIN_STATIC_DATA()
43 META_STATIC_PROPERTY_DATA(AnimationModifiers::ISpeed, float, SpeedFactor, 1)
44 META_STATIC_EVENT_DATA(INotifyOnChange, IOnChanged, OnChanged)
45 META_END_STATIC_DATA()
46 META_IMPLEMENT_PROPERTY(float, SpeedFactor)
47 META_IMPLEMENT_EVENT(IOnChanged, OnChanged)
48
49 private:
50 PropertyChangedEventHandler speedFactorChanged_;
51 };
52
53 } // namespace AnimationModifiers
54
55 META_END_NAMESPACE()
56
57 #endif // META_SRC_ANIMATION_MODIFIERS_SPEED_H
58