| // Copyright 2016 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. |
| // |
| |
| // Handler for input events in /dev/input. AudioDaemonHandler is the base class |
| // that other handlers inherit. |
| |
| #ifndef BRILLO_AUDIO_AUDIOSERVICE_AUDIO_DAEMON_HANDLER_H_ |
| #define BRILLO_AUDIO_AUDIOSERVICE_AUDIO_DAEMON_HANDLER_H_ |
| |
| #include <linux/input.h> |
| #include <media/IAudioPolicyService.h> |
| |
| namespace brillo { |
| |
| class AudioDaemonHandler { |
| public: |
| virtual ~AudioDaemonHandler(){}; |
| |
| // Initialize the handler. |
| // |
| // |aps| is a pointer to the binder object. |
| virtual void Init(android::sp<android::IAudioPolicyService> aps) = 0; |
| |
| // Process input events from the kernel. |
| // |
| // |event| is a pointer to an input_event. This function should be able to |
| // gracefully handle input events that are not relevant to the functionality |
| // provided by this class. |
| virtual void ProcessEvent(const struct input_event& event) = 0; |
| |
| // Inform the handler that the audio policy service has been disconnected. |
| virtual void APSDisconnect() = 0; |
| |
| // Inform the handler that the audio policy service is reconnected. |
| // |
| // |aps| is a pointer to the binder object. |
| virtual void APSConnect(android::sp<android::IAudioPolicyService> aps) = 0; |
| |
| protected: |
| // Pointer to the audio policy service. |
| android::sp<android::IAudioPolicyService> aps_; |
| }; |
| |
| } // namespace brillo |
| |
| #endif // BRILLO_AUDIO_AUDIOSERVICE_AUDIO_DAEMON_HANDLER_H_ |