| /* |
| * 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_CONNECTION_H |
| #define _UI_INPUT_INPUTDISPATCHER_CONNECTION_H |
| |
| #include "InputState.h" |
| |
| #include <input/InputTransport.h> |
| #include <deque> |
| |
| namespace android::inputdispatcher { |
| |
| struct DispatchEntry; |
| |
| /* Manages the dispatch state associated with a single input channel. */ |
| class Connection : public RefBase { |
| protected: |
| virtual ~Connection(); |
| |
| public: |
| enum Status { |
| // Everything is peachy. |
| STATUS_NORMAL, |
| // An unrecoverable communication error has occurred. |
| STATUS_BROKEN, |
| // The input channel has been unregistered. |
| STATUS_ZOMBIE |
| }; |
| |
| Status status; |
| sp<InputChannel> inputChannel; // never null |
| bool monitor; |
| InputPublisher inputPublisher; |
| InputState inputState; |
| |
| // True if this connection is responsive. |
| // If this connection is not responsive, avoid publishing more events to it until the |
| // application consumes some of the input. |
| bool responsive = true; |
| |
| // Queue of events that need to be published to the connection. |
| std::deque<DispatchEntry*> outboundQueue; |
| |
| // Queue of events that have been published to the connection but that have not |
| // yet received a "finished" response from the application. |
| std::deque<DispatchEntry*> waitQueue; |
| |
| Connection(const sp<InputChannel>& inputChannel, bool monitor, const IdGenerator& idGenerator); |
| |
| inline const std::string getInputChannelName() const { return inputChannel->getName(); } |
| |
| const std::string getWindowName() const; |
| const char* getStatusLabel() const; |
| |
| std::deque<DispatchEntry*>::iterator findWaitQueueEntry(uint32_t seq); |
| }; |
| |
| } // namespace android::inputdispatcher |
| |
| #endif // _UI_INPUT_INPUTDISPATCHER_CONNECTION_H |