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 INTERFACE_ACCESSIBLE_ABILITY_MANAGER_STATE_OBSERVER_H 17 #define INTERFACE_ACCESSIBLE_ABILITY_MANAGER_STATE_OBSERVER_H 18 19 #include <cstdint> 20 #include "iremote_broker.h" 21 22 namespace OHOS { 23 namespace Accessibility { 24 class IAccessibleAbilityManagerStateObserver : public IRemoteBroker { 25 public: 26 DECLARE_INTERFACE_DESCRIPTOR(u"ohos.accessibility.IAccessibleAbilityManagerStateObserver"); 27 28 /** 29 * @brief Receive the state notify from AAMS and send it to the observer registered. 30 * @param stateType The state type and value. 31 * state type: Refer to AccessibilityStateEventType. 32 * value: STATE_ACCESSIBILITY_ENABLED/STATE_EXPLORATION_ENABLED/ 33 * STATE_ACCESSIBILITY_DISABLED/STATE_EXPLORATION_DISABLED 34 */ 35 virtual void OnStateChanged(const uint32_t stateType) = 0; 36 }; 37 } // namespace Accessibility 38 } // namespace OHOS 39 #endif // INTERFACE_ACCESSIBLE_ABILITY_MANAGER_STATE_OBSERVER_H