1 /*
2  * Copyright (c) 2023 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_PATTERNS_VIDEO_VIDEO_NODE_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_VIDEO_VIDEO_NODE_H
18 
19 #include <optional>
20 
21 #include "core/components_ng/base/frame_node.h"
22 #include "core/components_ng/pattern/video/video_pattern.h"
23 
24 namespace OHOS::Ace::NG {
25 
26 constexpr int32_t PREVIEW_IMAGE_INDEX = 1;
27 constexpr int32_t CONTROLLER_ROW_INDEX = 2;
28 constexpr int32_t MEDIA_COLUMN_INDEX = 0;
29 
30 class ACE_EXPORT VideoNode : public FrameNode {
31     DECLARE_ACE_TYPE(VideoNode, FrameNode);
32 
33 public:
34     VideoNode(const std::string& tag, int32_t nodeId, const RefPtr<Pattern>& pattern, bool isRoot = false)
35         : FrameNode(tag, nodeId, pattern, isRoot)
36     {}
37     ~VideoNode() override = default;
38 
HasControllerRowNode()39     bool HasControllerRowNode() const
40     {
41         return controllerRowId_.has_value();
42     }
43 
HasPreviewImageNode()44     bool HasPreviewImageNode() const
45     {
46         return previewImageId_.has_value();
47     }
48 
HasMediaColumnNode()49     bool HasMediaColumnNode() const
50     {
51         return mediaColumnId_.has_value();
52     }
53 
GetControllerRowId()54     int32_t GetControllerRowId()
55     {
56         if (!controllerRowId_.has_value()) {
57             controllerRowId_ = ElementRegister::GetInstance()->MakeUniqueId();
58         }
59         return controllerRowId_.value();
60     }
61 
GetPreviewImageId()62     int32_t GetPreviewImageId()
63     {
64         if (!previewImageId_.has_value()) {
65             previewImageId_ = ElementRegister::GetInstance()->MakeUniqueId();
66         }
67         return previewImageId_.value();
68     }
69 
GetMediaColumnId()70     int32_t GetMediaColumnId()
71     {
72         if (!mediaColumnId_.has_value()) {
73             mediaColumnId_ = ElementRegister::GetInstance()->MakeUniqueId();
74         }
75         return mediaColumnId_.value();
76     }
77 
78     // Get the preview image node, please check null first.
GetPreviewImage()79     RefPtr<UINode> GetPreviewImage()
80     {
81         // If the index >= size, it will return null.
82         return GetChildAtIndex(PREVIEW_IMAGE_INDEX);
83     }
84 
85     // Get the controller row node, please check null first.
GetControllerRow()86     RefPtr<UINode> GetControllerRow()
87     {
88         // If the index >= size, it will return null.
89         return GetChildAtIndex(CONTROLLER_ROW_INDEX);
90     }
91 
GetMediaColumn()92     RefPtr<UINode> GetMediaColumn()
93     {
94         return GetChildAtIndex(MEDIA_COLUMN_INDEX);
95     }
96 
97     static RefPtr<VideoNode> GetOrCreateVideoNode(
98         const std::string& tag, int32_t nodeId, const std::function<RefPtr<Pattern>(void)>& patternCreator);
99 
100 private:
101     std::optional<int32_t> previewImageId_;
102     std::optional<int32_t> controllerRowId_;
103     std::optional<int32_t> mediaColumnId_;
104 };
105 } // namespace OHOS::Ace::NG
106 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_VIDEO_VIDEO_NODE_H
107