1 /*
2  * Copyright (C) 2022 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 ACCESSIBLE_ABILITY_MANAGER_STATE_OBSERVER_PROXY_H
17 #define ACCESSIBLE_ABILITY_MANAGER_STATE_OBSERVER_PROXY_H
18 
19 #include "i_accessible_ability_manager_state_observer.h"
20 #include "iremote_proxy.h"
21 
22 namespace OHOS {
23 namespace Accessibility {
24 class AccessibleAbilityManagerStateObserverProxy : public IRemoteProxy<IAccessibleAbilityManagerStateObserver> {
25 public:
26     /**
27      * @brief construct function
28      * @param object The object of IPC
29      */
30     explicit AccessibleAbilityManagerStateObserverProxy(const sptr<IRemoteObject> &object);
31 
32     /**
33      * @brief destruct function
34      */
35     virtual ~AccessibleAbilityManagerStateObserverProxy() override;
36 
37     /**
38      * @brief Receive the state notify from AAMS and send it to the observer registered.
39      * @param stateType The state type and value.
40      *                  state type: Refer to AccessibilityStateEventType.
41      *                  value: STATE_ACCESSIBILITY_ENABLED/STATE_EXPLORATION_ENABLED/
42      *                         STATE_ACCESSIBILITY_DISABLED/STATE_EXPLORATION_DISABLED
43      */
44     virtual void OnStateChanged(const uint32_t stateType) override;
45 private:
46     /**
47      * @brief Write the descriptor of IPC.
48      * @param data It is include the descriptor of IPC.
49      * @return true: Write the descriptor successfully; otherwise is not.
50      */
51     bool WriteInterfaceToken(MessageParcel &data);
52     static inline BrokerDelegator<AccessibleAbilityManagerStateObserverProxy> delegator;
53 };
54 } // namespace Accessibility
55 } // namespace OHOS
56 #endif // ACCESSIBLE_ABILITY_MANAGER_STATE_OBSERVER_PROXY_H