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 #ifndef SCENE_EXT_INODE_NOTIFY_H
17 #define SCENE_EXT_INODE_NOTIFY_H
18
19 #include <scene/base/namespace.h>
20 #include <scene/interface/intf_node.h>
21
22 #include <meta/base/interface_macros.h>
23 #include <meta/interface/intf_container.h>
24
SCENE_BEGIN_NAMESPACE()25 SCENE_BEGIN_NAMESPACE()
26
27 class INodeNotify : public CORE_NS::IInterface {
28 META_INTERFACE(CORE_NS::IInterface, INodeNotify, "71ee5799-e9c7-4e3f-b724-98eb5c43bd39")
29 public:
30 virtual bool IsListening() const = 0;
31 virtual void OnChildChanged(META_NS::ContainerChangeType type, const INode::Ptr& child, size_t index) = 0;
32 /// Node activity state change state
33 enum class NodeActiteStateInfo : uint8_t {
34 ACTIVATED, ///< The node was activated
35 DEACTIVATING, ///< The node is going to be deactivated
36 };
37 /// Called by the framework when node node activity state is changing
38 virtual void OnNodeActiveStateChanged(NodeActiteStateInfo state) = 0;
39 };
40
41 SCENE_END_NAMESPACE()
42
43 META_INTERFACE_TYPE(SCENE_NS::INodeNotify)
44
45 #endif
46