1 /*
2  * Copyright (c) 2021 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 "core/components/transform/transform_element.h"
17 
18 #include "core/components/page/page_element.h"
19 
20 namespace OHOS::Ace {
21 
~TransformElement()22 TransformElement::~TransformElement()
23 {
24     auto page = pageElement_.Upgrade();
25     if (page) {
26         page->RemoveCardTransition(GetRetakeId());
27     }
28 }
29 
PerformBuild()30 void TransformElement::PerformBuild()
31 {
32     RefPtr<TransformComponent> transform = AceType::DynamicCast<TransformComponent>(component_);
33     const auto& child = children_.empty() ? nullptr : children_.front();
34     const auto& newComponent = transform ? transform->GetChild() : nullptr;
35     UpdateChild(child, newComponent);
36     if (transform) {
37         AddCardTransform(transform->GetTransitionEffect());
38     }
39 }
40 
AddCardTransform(TransitionEffect option)41 void TransformElement::AddCardTransform(TransitionEffect option)
42 {
43     if (option == TransitionEffect::UNFOLD) {
44         auto page = SearchParentPage();
45         if (!page) {
46             return;
47         }
48         pageElement_ = page;
49         page->AddCardTransition(AceType::Claim(this));
50     }
51 }
52 
SearchParentPage() const53 RefPtr<PageElement> TransformElement::SearchParentPage() const
54 {
55     auto parent = GetElementParent().Upgrade();
56     while (parent) {
57         auto page = AceType::DynamicCast<PageElement>(parent);
58         if (page) {
59             return page;
60         }
61         parent = parent->GetElementParent().Upgrade();
62     }
63     LOGW("No parent page found.");
64     return nullptr;
65 }
66 
67 } // namespace OHOS::Ace