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 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_BASE_ROTATION_CONTROLLER_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_BASE_ROTATION_CONTROLLER_H
18 
19 #include <functional>
20 
21 #include "base/memory/ace_type.h"
22 #include "core/pipeline/pipeline_context.h"
23 
24 namespace OHOS::Ace {
25 
26 class RenderNode;
27 
28 using RequestRotationImpl = std::function<void(bool)>;
29 
30 class RotationController : public virtual AceType {
31     DECLARE_ACE_TYPE(RotationController, AceType);
32 
33 public:
34     RotationController() = default;
35     ~RotationController() override = default;
36 
SetRequestRotationImpl(const WeakPtr<RenderNode> & weak,const WeakPtr<PipelineContext> & context)37     void SetRequestRotationImpl(const WeakPtr<RenderNode>& weak, const WeakPtr<PipelineContext>& context)
38     {
39         requestRotationImpl_ = [weak, context](bool rotation) {
40             auto pipeContext = context.Upgrade();
41             if (pipeContext) {
42                 rotation ? pipeContext->SetRequestedRotationNode(weak)
43                          : pipeContext->RemoveRequestedRotationNode(weak);
44             }
45         };
46     }
47 
RequestRotation(bool rotation)48     void RequestRotation(bool rotation)
49     {
50         if (requestRotationImpl_) {
51             requestRotationImpl_(rotation);
52         }
53     }
54 
55 private:
56     RequestRotationImpl requestRotationImpl_;
57 };
58 
59 } // namespace OHOS::Ace
60 
61 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_BASE_ROTATION_CONTROLLER_H
62