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 #include "loop.h" 17 18 #include <algorithm> 19 #include <limits> 20 21 #include <meta/api/make_callback.h> 22 #include <meta/api/util.h> 23 #include <meta/interface/builtin_objects.h> 24 25 META_BEGIN_NAMESPACE() 26 27 namespace AnimationModifiers { 28 Build(const IMetadata::Ptr & data)29bool Loop::Build(const IMetadata::Ptr& data) 30 { 31 LoopCount()->OnChanged()->AddHandler(META_ACCESS_EVENT(OnChanged).GetCallable()); 32 return true; 33 } 34 ProcessOnGetDuration(DurationData & duration) const35bool Loop::ProcessOnGetDuration(DurationData& duration) const 36 { 37 const auto loopCount = META_ACCESS_PROPERTY_VALUE(LoopCount); 38 if (loopCount == 0) { 39 // Invalid 40 return false; 41 } 42 if (loopCount > 0) { 43 duration.loopCount = duration.loopCount < 0 ? duration.loopCount : duration.loopCount + loopCount - 1; 44 } else { 45 duration.loopCount = -1; 46 } 47 return true; 48 } 49 ProcessOnStep(StepData & step) const50bool Loop::ProcessOnStep(StepData& step) const 51 { 52 return true; 53 } 54 55 } // namespace AnimationModifiers 56 57 META_END_NAMESPACE() 58