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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _UI_INPUT_INPUTDISPATCHER_INJECTIONSTATE_H
#define _UI_INPUT_INPUTDISPATCHER_INJECTIONSTATE_H
#include "InputDispatcherInterface.h"
#include <stdint.h>
namespace android::inputdispatcher {
/*
* Constants used to determine the input event injection synchronization mode.
*/
enum {
/* Injection is asynchronous and is assumed always to be successful. */
INPUT_EVENT_INJECTION_SYNC_NONE = 0,
/* Waits for previous events to be dispatched so that the input dispatcher can determine
* whether input event injection willbe permitted based on the current input focus.
* Does not wait for the input event to finish processing. */
INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_RESULT = 1,
/* Waits for the input event to be completely processed. */
INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISHED = 2,
};
struct InjectionState {
mutable int32_t refCount;
int32_t injectorPid;
int32_t injectorUid;
int32_t injectionResult; // initially INPUT_EVENT_INJECTION_PENDING
bool injectionIsAsync; // set to true if injection is not waiting for the result
int32_t pendingForegroundDispatches; // the number of foreground dispatches in progress
InjectionState(int32_t injectorPid, int32_t injectorUid);
void release();
private:
~InjectionState();
};
} // namespace android::inputdispatcher
#endif // _UI_INPUT_INPUTDISPATCHER_INJECTIONSTATE_H
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