Merge "Send VR mode notification to AR app on context hub" into nyc-dev (9a31e8be) · Commits · e / os / android_frameworks_base

core/java/android/hardware/location/ContextHubService.java

+47 −2

Original line number	Diff line number	Diff line
		@@ -21,12 +21,15 @@ import android.content.Context;
		import android.content.pm.PackageManager;
		import android.os.RemoteCallbackList;
		import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.service.vr.IVrManager;
		import android.service.vr.IVrStateCallbacks;
		import android.util.Log;

		import java.io.FileDescriptor;
		import java.io.PrintWriter;
		import java.util.ArrayList;
		import java.util.HashMap;
		import java.util.concurrent.ConcurrentHashMap;

		/**
		* @hide
		@@ -57,8 +60,11 @@ public class ContextHubService extends IContextHubService.Stub {

		private static final int OS_APP_INSTANCE = -1;

		private static final long APP_ID_ACTIVITY_RECOGNITION = 0x476f6f676c001000L;

		private final Context mContext;
		private final HashMap<Integer, NanoAppInstanceInfo> mNanoAppHash = new HashMap<>();
		private final ConcurrentHashMap<Integer, NanoAppInstanceInfo> mNanoAppHash =
		new ConcurrentHashMap<>();
		private final ContextHubInfo[] mContextHubInfo;
		private final RemoteCallbackList<IContextHubCallback> mCallbacksList =
		new RemoteCallbackList<>();
		@@ -66,6 +72,18 @@ public class ContextHubService extends IContextHubService.Stub {
		private native int nativeSendMessage(int[] header, byte[] data);
		private native ContextHubInfo[] nativeInitialize();

		private final IVrStateCallbacks mVrStateCallbacks = new IVrStateCallbacks.Stub() {
		@Override
		public void onVrStateChanged(boolean enabled) {
		for (NanoAppInstanceInfo app : mNanoAppHash.values()) {
		if (app.getAppId() == APP_ID_ACTIVITY_RECOGNITION) {
		sendVrStateChangeMessageToApp(app, enabled);
		break;
		}
		}
		}
		};

		public ContextHubService(Context context) {
		mContext = context;
		mContextHubInfo = nativeInitialize();
		@@ -74,6 +92,18 @@ public class ContextHubService extends IContextHubService.Stub {
		Log.d(TAG, "ContextHub[" + i + "] id: " + mContextHubInfo[i].getId()
		+ ", name: " + mContextHubInfo[i].getName());
		}

		if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_VR_MODE)) {
		IVrManager vrManager =
		IVrManager.Stub.asInterface(ServiceManager.getService("vrmanager"));
		if (vrManager != null) {
		try {
		vrManager.registerListener(mVrStateCallbacks);
		} catch (RemoteException e) {
		Log.e(TAG, "VR state listener registration failed", e);
		}
		}
		}
		}

		@Override
		@@ -277,4 +307,19 @@ public class ContextHubService extends IContextHubService.Stub {

		return 0;
		}

		private void sendVrStateChangeMessageToApp(NanoAppInstanceInfo app, boolean vrModeEnabled) {
		int[] msgHeader = new int[MSG_HEADER_SIZE];
		msgHeader[MSG_FIELD_TYPE] = 0;
		msgHeader[MSG_FIELD_VERSION] = 0;
		msgHeader[MSG_FIELD_HUB_HANDLE] = ANY_HUB;
		msgHeader[MSG_FIELD_APP_INSTANCE] = app.getHandle();

		byte[] data = new byte[1];
		data[0] = (byte) ((vrModeEnabled) ? 1 : 0);
		int ret = nativeSendMessage(msgHeader, data);
		if (ret != 0) {
		Log.e(TAG, "Couldn't send VR state change notification (" + ret + ")!");
		}
		}
		}