1 /* 2 * Copyright (c) 2022 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 FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_RATING_RATING_LAYOUT_ALGORITHM_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_RATING_RATING_LAYOUT_ALGORITHM_H 18 19 #include "base/geometry/ng/size_t.h" 20 #include "core/components_ng/image_provider/image_loading_context.h" 21 #include "core/components_ng/layout/box_layout_algorithm.h" 22 #include "core/components_ng/layout/layout_wrapper.h" 23 24 namespace OHOS::Ace::NG { 25 26 class ACE_EXPORT RatingLayoutAlgorithm : public BoxLayoutAlgorithm { 27 DECLARE_ACE_TYPE(RatingLayoutAlgorithm, BoxLayoutAlgorithm); 28 29 public: 30 RatingLayoutAlgorithm(); RatingLayoutAlgorithm(const RefPtr<ImageLoadingContext> & foregroundLoadingCtx,const RefPtr<ImageLoadingContext> & secondaryLoadingCtx,const RefPtr<ImageLoadingContext> & backgroundLoadingCtx)31 RatingLayoutAlgorithm(const RefPtr<ImageLoadingContext>& foregroundLoadingCtx, 32 const RefPtr<ImageLoadingContext>& secondaryLoadingCtx, const RefPtr<ImageLoadingContext>& backgroundLoadingCtx) 33 : foregroundLoadingCtx_(foregroundLoadingCtx), secondaryLoadingCtx_(secondaryLoadingCtx), 34 backgroundLoadingCtx_(backgroundLoadingCtx) 35 {} 36 37 ~RatingLayoutAlgorithm() override = default; 38 OnReset()39 void OnReset() override 40 { 41 foregroundLoadingCtx_ = nullptr; 42 secondaryLoadingCtx_ = nullptr; 43 backgroundLoadingCtx_ = nullptr; 44 } 45 46 std::optional<SizeF> MeasureContent( 47 const LayoutConstraintF& contentConstraint, LayoutWrapper* layoutWrapper) override; 48 49 void Layout(LayoutWrapper* layoutWrapper) override; 50 51 private: 52 RefPtr<ImageLoadingContext> foregroundLoadingCtx_; 53 RefPtr<ImageLoadingContext> secondaryLoadingCtx_; 54 RefPtr<ImageLoadingContext> backgroundLoadingCtx_; 55 56 ACE_DISALLOW_COPY_AND_MOVE(RatingLayoutAlgorithm); 57 }; 58 } // namespace OHOS::Ace::NG 59 60 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_RATING_RATING_LAYOUT_ALGORITHM_H 61