Merge "Concurrent collections for Bluetooth callbacks." into qt-qpr1-dev (4af0a5bc) · Commits · e / os / android_frameworks_base

packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothEventManager.java

+41 −68

Original line number	Diff line number	Diff line
		@@ -35,12 +35,12 @@ import androidx.annotation.VisibleForTesting;

		import com.android.settingslib.R;

		import java.util.ArrayList;
		import java.util.Collection;
		import java.util.HashMap;
		import java.util.Map;
		import java.util.Objects;
		import java.util.Set;
		import java.util.concurrent.CopyOnWriteArrayList;

		/**
		* BluetoothEventManager receives broadcasts and callbacks from the Bluetooth
		@@ -56,7 +56,7 @@ public class BluetoothEventManager {
		private final Map<String, Handler> mHandlerMap;
		private final BroadcastReceiver mBroadcastReceiver = new BluetoothBroadcastReceiver();
		private final BroadcastReceiver mProfileBroadcastReceiver = new BluetoothBroadcastReceiver();
		private final Collection<BluetoothCallback> mCallbacks = new ArrayList<>();
		private final Collection<BluetoothCallback> mCallbacks = new CopyOnWriteArrayList<>();
		private final android.os.Handler mReceiverHandler;
		private final UserHandle mUserHandle;
		private final Context mContext;
		@@ -93,8 +93,10 @@ public class BluetoothEventManager {
		new ConnectionStateChangedHandler());

		// Discovery broadcasts
		addHandler(BluetoothAdapter.ACTION_DISCOVERY_STARTED, new ScanningStateChangedHandler(true));
		addHandler(BluetoothAdapter.ACTION_DISCOVERY_FINISHED, new ScanningStateChangedHandler(false));
		addHandler(BluetoothAdapter.ACTION_DISCOVERY_STARTED,
		new ScanningStateChangedHandler(true));
		addHandler(BluetoothAdapter.ACTION_DISCOVERY_FINISHED,
		new ScanningStateChangedHandler(false));
		addHandler(BluetoothDevice.ACTION_FOUND, new DeviceFoundHandler());
		addHandler(BluetoothDevice.ACTION_NAME_CHANGED, new NameChangedHandler());
		addHandler(BluetoothDevice.ACTION_ALIAS_CHANGED, new NameChangedHandler());
		@@ -128,17 +130,13 @@ public class BluetoothEventManager {

		/** Register to start receiving callbacks for Bluetooth events. */
		public void registerCallback(BluetoothCallback callback) {
		synchronized (mCallbacks) {
		mCallbacks.add(callback);
		}
		}

		/** Unregister to stop receiving callbacks for Bluetooth events. */
		public void unregisterCallback(BluetoothCallback callback) {
		synchronized (mCallbacks) {
		mCallbacks.remove(callback);
		}
		}

		@VisibleForTesting
		void registerProfileIntentReceiver() {
		@@ -189,65 +187,50 @@ public class BluetoothEventManager {
		}

		void dispatchDeviceAdded(CachedBluetoothDevice cachedDevice) {
		synchronized (mCallbacks) {
		for (BluetoothCallback callback : mCallbacks) {
		callback.onDeviceAdded(cachedDevice);
		}
		}
		}

		void dispatchDeviceRemoved(CachedBluetoothDevice cachedDevice) {
		synchronized (mCallbacks) {
		for (BluetoothCallback callback : mCallbacks) {
		callback.onDeviceDeleted(cachedDevice);
		}
		}
		}

		void dispatchProfileConnectionStateChanged(CachedBluetoothDevice device, int state,
		int bluetoothProfile) {
		synchronized (mCallbacks) {
		for (BluetoothCallback callback : mCallbacks) {
		callback.onProfileConnectionStateChanged(device, state, bluetoothProfile);
		}
		}
		}

		private void dispatchConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state) {
		synchronized (mCallbacks) {
		for (BluetoothCallback callback : mCallbacks) {
		callback.onConnectionStateChanged(cachedDevice, state);
		}
		}
		}

		private void dispatchAudioModeChanged() {
		mDeviceManager.dispatchAudioModeChanged();
		synchronized (mCallbacks) {
		for (BluetoothCallback callback : mCallbacks) {
		callback.onAudioModeChanged();
		}
		}
		}

		private void dispatchActiveDeviceChanged(CachedBluetoothDevice activeDevice,
		int bluetoothProfile) {
		mDeviceManager.onActiveDeviceChanged(activeDevice, bluetoothProfile);
		synchronized (mCallbacks) {
		for (BluetoothCallback callback : mCallbacks) {
		callback.onActiveDeviceChanged(activeDevice, bluetoothProfile);
		}
		}
		}

		private void dispatchAclStateChanged(CachedBluetoothDevice activeDevice,
		int state) {
		synchronized (mCallbacks) {
		private void dispatchAclStateChanged(CachedBluetoothDevice activeDevice, int state) {
		for (BluetoothCallback callback : mCallbacks) {
		callback.onAclConnectionStateChanged(activeDevice, state);
		}
		}
		}

		@VisibleForTesting
		void addHandler(String action, Handler handler) {
		@@ -270,18 +253,15 @@ public class BluetoothEventManager {
		}

		private class AdapterStateChangedHandler implements Handler {
		public void onReceive(Context context, Intent intent,
		BluetoothDevice device) {
		public void onReceive(Context context, Intent intent, BluetoothDevice device) {
		int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE,
		BluetoothAdapter.ERROR);
		// update local profiles and get paired devices
		mLocalAdapter.setBluetoothStateInt(state);
		// send callback to update UI and possibly start scanning
		synchronized (mCallbacks) {
		for (BluetoothCallback callback : mCallbacks) {
		callback.onBluetoothStateChanged(state);
		}
		}
		// Inform CachedDeviceManager that the adapter state has changed
		mDeviceManager.onBluetoothStateChanged(state);
		}
		@@ -293,13 +273,11 @@ public class BluetoothEventManager {
		ScanningStateChangedHandler(boolean started) {
		mStarted = started;
		}
		public void onReceive(Context context, Intent intent,
		BluetoothDevice device) {
		synchronized (mCallbacks) {

		public void onReceive(Context context, Intent intent, BluetoothDevice device) {
		for (BluetoothCallback callback : mCallbacks) {
		callback.onScanningStateChanged(mStarted);
		}
		}
		mDeviceManager.onScanningStateChanged(mStarted);
		}
		}
		@@ -350,8 +328,7 @@ public class BluetoothEventManager {
		}

		private class BondStateChangedHandler implements Handler {
		public void onReceive(Context context, Intent intent,
		BluetoothDevice device) {
		public void onReceive(Context context, Intent intent, BluetoothDevice device) {
		if (device == null) {
		Log.e(TAG, "ACTION_BOND_STATE_CHANGED with no EXTRA_DEVICE");
		return;
		@@ -365,11 +342,9 @@ public class BluetoothEventManager {
		cachedDevice = mDeviceManager.addDevice(device);
		}

		synchronized (mCallbacks) {
		for (BluetoothCallback callback : mCallbacks) {
		callback.onDeviceBondStateChanged(cachedDevice, bondState);
		}
		}
		cachedDevice.onBondingStateChanged(bondState);

		if (bondState == BluetoothDevice.BOND_NONE) {
		@@ -410,7 +385,8 @@ public class BluetoothEventManager {
		errorMsg = R.string.bluetooth_pairing_error_message;
		break;
		default:
		Log.w(TAG, "showUnbondMessage: Not displaying any message for reason: " + reason);
		Log.w(TAG,
		"showUnbondMessage: Not displaying any message for reason: " + reason);
		return;
		}
		BluetoothUtils.showError(context, name, errorMsg);
		@@ -418,8 +394,7 @@ public class BluetoothEventManager {
		}

		private class ClassChangedHandler implements Handler {
		public void onReceive(Context context, Intent intent,
		BluetoothDevice device) {
		public void onReceive(Context context, Intent intent, BluetoothDevice device) {
		CachedBluetoothDevice cachedDevice = mDeviceManager.findDevice(device);
		if (cachedDevice != null) {
		cachedDevice.refresh();
		@@ -428,8 +403,7 @@ public class BluetoothEventManager {
		}

		private class UuidChangedHandler implements Handler {
		public void onReceive(Context context, Intent intent,
		BluetoothDevice device) {
		public void onReceive(Context context, Intent intent, BluetoothDevice device) {
		CachedBluetoothDevice cachedDevice = mDeviceManager.findDevice(device);
		if (cachedDevice != null) {
		cachedDevice.onUuidChanged();
		@@ -438,8 +412,7 @@ public class BluetoothEventManager {
		}

		private class BatteryLevelChangedHandler implements Handler {
		public void onReceive(Context context, Intent intent,
		BluetoothDevice device) {
		public void onReceive(Context context, Intent intent, BluetoothDevice device) {
		CachedBluetoothDevice cachedDevice = mDeviceManager.findDevice(device);
		if (cachedDevice != null) {
		cachedDevice.refresh();

packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDevice.java

+6 −11

Original line number	Diff line number	Diff line
		@@ -39,6 +39,7 @@ import java.util.ArrayList;
		import java.util.Collection;
		import java.util.Collections;
		import java.util.List;
		import java.util.concurrent.CopyOnWriteArrayList;

		/**
		* CachedBluetoothDevice represents a remote Bluetooth device. It contains
		@@ -75,7 +76,7 @@ public class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice>

		boolean mJustDiscovered;

		private final Collection<Callback> mCallbacks = new ArrayList<>();
		private final Collection<Callback> mCallbacks = new CopyOnWriteArrayList<>();

		/**
		* Last time a bt profile auto-connect was attempted.
		@@ -683,24 +684,18 @@ public class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice>
		}

		public void registerCallback(Callback callback) {
		synchronized (mCallbacks) {
		mCallbacks.add(callback);
		}
		}

		public void unregisterCallback(Callback callback) {
		synchronized (mCallbacks) {
		mCallbacks.remove(callback);
		}
		}

		void dispatchAttributesChanged() {
		synchronized (mCallbacks) {
		for (Callback callback : mCallbacks) {
		callback.onDeviceAttributesChanged();
		}
		}
		}

		@Override
		public String toString() {