Implement the JNI layer for the AVRCP Service (1/3) (8f7a359d) · Commits · e / os / android_packages_modules_Bluetooth

android/app/jni/Android.bp

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		@@ -10,6 +10,7 @@ cc_library_shared {
		"com_android_bluetooth_a2dp_sink.cpp",
		"com_android_bluetooth_avrcp.cpp",
		"com_android_bluetooth_avrcp_controller.cpp",
		"com_android_bluetooth_avrcp_target.cpp",
		"com_android_bluetooth_hid_host.cpp",
		"com_android_bluetooth_hid_device.cpp",
		"com_android_bluetooth_hdp.cpp",

android/app/jni/com_android_bluetooth_avrcp_target.cpp

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android/app/src/com/android/bluetooth/newavrcp/AvrcpNativeInterface.java

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		/*
		* Copyright 2018 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.
		*/

		package com.android.bluetooth.avrcp;

		import android.util.Log;

		import java.util.List;

		/**
		* Native Interface to communicate with the JNI layer. This class should never be passed null
		* data.
		*/
		public class AvrcpNativeInterface {
		private static final String TAG = "NewAvrcpNativeInterface";
		private static final boolean DEBUG = true;
		private static AvrcpNativeInterface sInstance;

		static {
		classInitNative();
		}

		static AvrcpNativeInterface getInterface() {
		if (sInstance == null) {
		sInstance = new AvrcpNativeInterface();
		}

		return sInstance;
		}

		// TODO (apanicke): Hook into the AVRCP Service when checked in
		void init(/* AvrcpTargetService service */) {
		d("Init AvrcpNativeInterface");
		initNative();
		}

		void cleanup() {
		d("Cleanup AvrcpNativeInterface");
		cleanupNative();
		}

		Metadata getCurrentSongInfo() {
		d("getCurrentSongInfo");
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		return null;
		}

		PlayStatus getPlayStatus() {
		d("getPlayStatus");
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		return null;
		}

		void sendMediaKeyEvent(int keyEvent, int state) {
		d("sendMediaKeyEvent: keyEvent=" + keyEvent + " state=" + state);
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		}

		String getCurrentMediaId() {
		d("getCurrentMediaId");
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		return null;
		}

		List<Metadata> getNowPlayingList() {
		d("getNowPlayingList");
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		return null;
		}

		int getCurrentPlayerId() {
		d("getCurrentPlayerId");
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		return -1;
		}

		List<PlayerInfo> getMediaPlayerList() {
		d("getMediaPlayerList");
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		return null;
		}

		// TODO(apanicke): This shouldn't be named setBrowsedPlayer as it doesn't actually connect
		// anything internally. It just returns the number of items in the root folder.
		void setBrowsedPlayer(int playerId) {
		d("setBrowsedPlayer: playerId=" + playerId);
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		}

		void getFolderItemsRequest(int playerId, String mediaId) {
		d("getFolderItemsRequest: playerId=" + playerId + " mediaId=" + mediaId);
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		}

		void setBrowsedPlayerResponse(int playerId, boolean success, String rootId, int numItems) {
		d("setBrowsedPlayerResponse: playerId=" + playerId
		+ " success=" + success
		+ " rootId=" + rootId
		+ " numItems=" + numItems);
		setBrowsedPlayerResponseNative(playerId, success, rootId, numItems);
		}

		void getFolderItemsResponse(String parentId, List<ListItem> items) {
		d("getFolderItemsResponse: parentId=" + parentId + " items.size=" + items.size());
		getFolderItemsResponseNative(parentId, items);
		}

		void sendMediaUpdate(boolean metadata, boolean playStatus, boolean queue) {
		d("sendMediaUpdate: metadata=" + metadata
		+ " playStatus=" + playStatus
		+ " queue=" + queue);
		sendMediaUpdateNative(metadata, playStatus, queue);
		}

		void sendFolderUpdate(boolean availablePlayers, boolean addressedPlayers, boolean uids) {
		d("sendFolderUpdate: availablePlayers=" + availablePlayers
		+ " addressedPlayers=" + addressedPlayers
		+ " uids=" + uids);
		sendFolderUpdateNative(availablePlayers, addressedPlayers, uids);
		}

		void playItem(int playerId, boolean nowPlaying, String mediaId) {
		d("playItem: playerId=" + playerId + " nowPlaying=" + nowPlaying + " mediaId" + mediaId);
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		}

		boolean connectDevice(String bdaddr) {
		d("connectDevice: bdaddr=" + bdaddr);
		return connectDeviceNative(bdaddr);
		}

		boolean disconnectDevice(String bdaddr) {
		d("disconnectDevice: bdaddr=" + bdaddr);
		return disconnectDeviceNative(bdaddr);
		}

		void setActiveDevice(String bdaddr) {
		d("setActiveDevice: bdaddr=" + bdaddr);
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		}

		void deviceConnected(String bdaddr, boolean absoluteVolume) {
		d("deviceConnected: bdaddr=" + bdaddr + " absoluteVolume=" + absoluteVolume);
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		}

		void deviceDisconnected(String bdaddr) {
		d("deviceDisconnected: bdaddr=" + bdaddr);
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		}

		void sendVolumeChanged(int volume) {
		d("sendVolumeChanged: volume=" + volume);
		sendVolumeChangedNative(volume);
		}

		void setVolume(int volume) {
		d("setVolume: volume=" + volume);
		// TODO (apanicke): Hook into the AVRCP Service when checked in
		}

		private static native void classInitNative();
		private native void initNative();
		private native void sendMediaUpdateNative(
		boolean trackChanged, boolean playState, boolean playPos);
		private native void sendFolderUpdateNative(
		boolean availablePlayers, boolean addressedPlayers, boolean uids);
		private native void setBrowsedPlayerResponseNative(
		int playerId, boolean success, String rootId, int numItems);
		private native void getFolderItemsResponseNative(String parentId, List<ListItem> list);
		private native void cleanupNative();
		private native boolean connectDeviceNative(String bdaddr);
		private native boolean disconnectDeviceNative(String bdaddr);
		private native void sendVolumeChangedNative(int volume);

		private static void d(String msg) {
		if (DEBUG) {
		Log.d(TAG, msg);
		}
		}
		}

android/app/src/com/android/bluetooth/newavrcp/helpers/PlayStatus.java

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		/*
		* Copyright 2018 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.
		*/

		package com.android.bluetooth.avrcp;

		/**
		* Carries the playback status information in a custom object.
		*/
		// TODO(apanicke): Send the current active song ID along with this object so that all information
		// is carried by our custom types.
		class PlayStatus {
		static final byte STOPPED = 0;
		static final byte PLAYING = 1;
		static final byte PAUSED = 2;
		static final byte FWD_SEEK = 3;
		static final byte REV_SEEK = 4;
		static final byte ERROR = -1;

		public long position = 0xFFFFFFFFFFFFFFFFL;
		public long duration = 0x00L;
		public byte state = STOPPED;
		}

android/app/src/com/android/bluetooth/newavrcp/helpers/PlayerInfo.java

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		/*
		* Copyright 2018 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.
		*/

		package com.android.bluetooth.avrcp;

		/**
		* Carries Media Player Information
		*/
		class PlayerInfo {
		public int id;
		public String name;
		public boolean browsable;
		}