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_INTERFACES_OBSERVER_LISTENER_H
17 #define FOUNDATION_ACE_INTERFACES_OBSERVER_LISTENER_H
18 
19 #include "napi/native_api.h"
20 #include "napi/native_common.h"
21 #include "napi/native_node_api.h"
22 
23 #include "core/components_ng/base/observer_handler.h"
24 
25 namespace OHOS::Ace::Napi {
26 class UIObserverListener {
27 public:
UIObserverListener(napi_env env,napi_value callback)28     UIObserverListener(napi_env env, napi_value callback) : env_(env)
29     {
30         napi_create_reference(env_, callback, 1, &callback_);
31     }
~UIObserverListener()32     ~UIObserverListener()
33     {
34         if (callback_) {
35             napi_delete_reference(env_, callback_);
36         }
37     }
38     void OnNavigationStateChange(const NG::NavDestinationInfo& info);
39     void OnScrollEventStateChange(
40         const std::string& id, int32_t uniqueId, NG::ScrollEventType eventType, float offset);
41     void OnRouterPageStateChange(const NG::RouterPageInfoNG& pageInfo);
42     void OnDensityChange(double density);
43     void OnWillClick(const GestureEvent& gestureEventInfo, const ClickInfo& clickInfo,
44         const RefPtr<NG::FrameNode> frameNode);
45     void OnDidClick(const GestureEvent& gestureEventInfo, const ClickInfo& clickInfo,
46         const RefPtr<NG::FrameNode> frameNode);
47     void OnTabContentStateChange(const NG::TabContentInfo& tabContentInfo);
48     void OnNavDestinationSwitch(const NG::NavDestinationSwitchInfo& switchInfo);
49     bool NapiEqual(napi_value cb);
50     void OnDrawOrLayout();
51 
52 private:
53     napi_value CreateNavDestinationSwitchInfoObj(const NG::NavDestinationSwitchInfo& switchInfo);
54     napi_value CreateNavDestinationInfoObj(const NG::NavDestinationInfo& info);
55     napi_value GetNapiCallback();
56     static napi_valuetype GetValueType(napi_env env, napi_value value);
57     static napi_value GetNamedProperty(napi_env env, napi_value object, const std::string& propertyName);
58     void AddBaseEventInfo(napi_value objValueClickEvent, const ClickInfo& clickInfo);
59     void AddGestureEventInfoOne(napi_value objValueClickEvent, const GestureEvent& gestureEventInfo);
60     void AddGestureEventInfoTwo(napi_value objValueClickEvent, const GestureEvent& gestureEventInfo);
61     void AddGestureEventInfoThree(napi_value objValueClickEvent, const GestureEvent& gestureEventInfo);
62     void AddFingerListInfo(napi_value objValueClickEvent, const GestureEvent& gestureEventInfo);
63     void AddClickEventInfoOne(napi_value objValueClickEvent, const ClickInfo& clickInfo);
64     void AddClickEventInfoTwo(napi_value objValueClickEvent, const ClickInfo& clickInfo);
65     void AddTargetObject(napi_value objValueClickEvent, const ClickInfo& clickInfo);
66     napi_env env_ = nullptr;
67     napi_ref callback_ = nullptr;
68 };
69 } // namespace OHOS::Ace::Napi
70 
71 #endif // FOUNDATION_ACE_INTERFACES_OBSERVER_LISTENER_H
72