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 "movingphoto_layout_algorithm.h"
17 #include "movingphoto_layout_property.h"
18 #include "movingphoto_pattern.h"
19 
20 #include "base/geometry/ng/size_t.h"
21 
22 namespace OHOS::Ace::NG {
23 
Layout(LayoutWrapper * layoutWrapper)24 void MovingPhotoLayoutAlgorithm::Layout(LayoutWrapper* layoutWrapper)
25 {
26     BoxLayoutAlgorithm::PerformLayout(layoutWrapper);
27     auto contentOffset = layoutWrapper->GetGeometryNode()->GetContentOffset();
28     auto host = layoutWrapper->GetHostNode();
29     CHECK_NULL_VOID(host);
30     auto pattern = DynamicCast<MovingPhotoPattern>(host->GetPattern());
31     CHECK_NULL_VOID(pattern);
32     for (auto&& child : layoutWrapper->GetAllChildrenWithBuild()) {
33         if (child->GetHostTag() == V2::IMAGE_ETS_TAG || child->GetHostTag() == V2::COLUMN_ETS_TAG) {
34             child->GetGeometryNode()->SetMarginFrameOffset({ contentOffset.GetX(), contentOffset.GetY() });
35         }
36         child->Layout();
37     }
38 }
39 
Measure(LayoutWrapper * layoutWrapper)40 void MovingPhotoLayoutAlgorithm::Measure(LayoutWrapper* layoutWrapper)
41 {
42     auto layoutConstraint = layoutWrapper->GetLayoutProperty()->CreateChildConstraint();
43     auto contentSize = layoutWrapper->GetGeometryNode()->GetContentSize();
44     auto layoutProperty = DynamicCast<MovingPhotoLayoutProperty>(layoutWrapper->GetLayoutProperty());
45     auto host = layoutWrapper->GetHostNode();
46     CHECK_NULL_VOID(host);
47     auto pattern = DynamicCast<MovingPhotoPattern>(host->GetPattern());
48     CHECK_NULL_VOID(pattern);
49     for (auto&& child : layoutWrapper->GetAllChildrenWithBuild()) {
50         if (child->GetHostTag() == V2::IMAGE_ETS_TAG || child->GetHostTag() == V2::COLUMN_ETS_TAG) {
51             auto layoutConstraintForImage = layoutConstraint;
52             layoutConstraintForImage.UpdateSelfMarginSizeWithCheck(OptionalSizeF(contentSize));
53             layoutConstraintForImage.UpdateMaxSizeWithCheck(contentSize);
54             layoutConstraintForImage.UpdateMinSizeWithCheck(contentSize);
55             child->Measure(layoutConstraintForImage);
56         }
57     }
58     PerformMeasureSelf(layoutWrapper);
59 }
60 
MeasureContent(const LayoutConstraintF & contentConstraint,LayoutWrapper * layoutWrapper)61 std::optional<SizeF> MovingPhotoLayoutAlgorithm::MeasureContent(
62     const LayoutConstraintF& contentConstraint, LayoutWrapper* layoutWrapper)
63 {
64     auto layoutSize = contentConstraint.selfIdealSize.IsValid() ? contentConstraint.selfIdealSize.ConvertToSizeT()
65                                                                 : contentConstraint.maxSize;
66     return layoutSize;
67 }
68 
69 } // namespace OHOS::Ace::NG