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 #include "loop.h" 16 17 #include <meta/api/make_callback.h> 18 #include <meta/api/util.h> 19 #include <meta/interface/builtin_objects.h> 20 21 META_BEGIN_NAMESPACE() 22 23 namespace AnimationModifiers { 24 Build(const IMetadata::Ptr & data)25bool LoopModifier::Build(const IMetadata::Ptr& data) 26 { 27 LoopCount()->OnChanged()->AddHandler(META_ACCESS_EVENT(OnChanged).GetCallable()); 28 return true; 29 } 30 ProcessOnGetDuration(DurationData & duration) const31bool LoopModifier::ProcessOnGetDuration(DurationData& duration) const 32 { 33 const auto loopCount = META_ACCESS_PROPERTY_VALUE(LoopCount); 34 if (loopCount == 0) { 35 // Invalid 36 return false; 37 } 38 if (loopCount > 0) { 39 duration.loopCount = duration.loopCount < 0 ? duration.loopCount : duration.loopCount + loopCount - 1; 40 } else { 41 duration.loopCount = -1; 42 } 43 return true; 44 } 45 ProcessOnStep(StepData & step) const46bool LoopModifier::ProcessOnStep(StepData& step) const 47 { 48 return true; 49 } 50 51 } // namespace AnimationModifiers 52 53 META_END_NAMESPACE() 54