Merge "Add a thread to handle the radio shutdown." into jb-dev
This commit is contained in:
Jeff Brown
@@ -51,11 +51,11 @@ import android.view.WindowManager;
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public final class ShutdownThread extends Thread {
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// constants
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private static final String TAG = "ShutdownThread";
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private static final int MAX_NUM_PHONE_STATE_READS = 24;
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private static final int PHONE_STATE_POLL_SLEEP_MSEC = 500;
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// maximum time we wait for the shutdown broadcast before going on.
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private static final int MAX_BROADCAST_TIME = 10*1000;
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private static final int MAX_SHUTDOWN_WAIT_TIME = 20*1000;
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private static final int MAX_RADIO_WAIT_TIME = 12*1000;
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// length of vibration before shutting down
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private static final int SHUTDOWN_VIBRATE_MS = 500;
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@@ -263,10 +263,6 @@ public final class ShutdownThread extends Thread {
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* Shuts off power regardless of radio and bluetooth state if the alloted time has passed.
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*/
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public void run() {
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boolean nfcOff;
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boolean bluetoothOff;
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boolean radioOff;
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BroadcastReceiver br = new BroadcastReceiver() {
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@Override public void onReceive(Context context, Intent intent) {
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// We don't allow apps to cancel this, so ignore the result.
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@@ -324,89 +320,9 @@ public final class ShutdownThread extends Thread {
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} catch (RemoteException e) {
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}
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}
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final INfcAdapter nfc =
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INfcAdapter.Stub.asInterface(ServiceManager.checkService("nfc"));
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final ITelephony phone =
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ITelephony.Stub.asInterface(ServiceManager.checkService("phone"));
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final IBluetooth bluetooth =
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IBluetooth.Stub.asInterface(ServiceManager.checkService(
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BluetoothAdapter.BLUETOOTH_SERVICE));
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final IMountService mount =
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IMountService.Stub.asInterface(
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ServiceManager.checkService("mount"));
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try {
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nfcOff = nfc == null ||
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nfc.getState() == NfcAdapter.STATE_OFF;
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if (!nfcOff) {
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Log.w(TAG, "Turning off NFC...");
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nfc.disable(false); // Don't persist new state
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}
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during NFC shutdown", ex);
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nfcOff = true;
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}
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try {
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bluetoothOff = bluetooth == null ||
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bluetooth.getBluetoothState() == BluetoothAdapter.STATE_OFF;
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if (!bluetoothOff) {
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Log.w(TAG, "Disabling Bluetooth...");
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bluetooth.disable(false); // disable but don't persist new state
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}
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during bluetooth shutdown", ex);
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bluetoothOff = true;
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}
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try {
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radioOff = phone == null || !phone.isRadioOn();
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if (!radioOff) {
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Log.w(TAG, "Turning off radio...");
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phone.setRadio(false);
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}
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during radio shutdown", ex);
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radioOff = true;
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}
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Log.i(TAG, "Waiting for NFC, Bluetooth and Radio...");
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// Wait a max of 32 seconds for clean shutdown
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for (int i = 0; i < MAX_NUM_PHONE_STATE_READS; i++) {
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if (!bluetoothOff) {
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try {
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bluetoothOff =
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bluetooth.getBluetoothState() == BluetoothAdapter.STATE_OFF;
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during bluetooth shutdown", ex);
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bluetoothOff = true;
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}
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}
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if (!radioOff) {
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try {
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radioOff = !phone.isRadioOn();
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during radio shutdown", ex);
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radioOff = true;
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}
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}
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if (!nfcOff) {
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try {
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nfcOff = nfc.getState() == NfcAdapter.STATE_OFF;
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during NFC shutdown", ex);
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nfcOff = true;
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}
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}
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if (radioOff && bluetoothOff && nfcOff) {
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Log.i(TAG, "NFC, Radio and Bluetooth shutdown complete.");
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break;
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}
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SystemClock.sleep(PHONE_STATE_POLL_SLEEP_MSEC);
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}
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// Shutdown radios.
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shutdownRadios(MAX_RADIO_WAIT_TIME);
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// Shutdown MountService to ensure media is in a safe state
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IMountShutdownObserver observer = new IMountShutdownObserver.Stub() {
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@@ -417,11 +333,14 @@ public final class ShutdownThread extends Thread {
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};
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Log.i(TAG, "Shutting down MountService");
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// Set initial variables and time out time.
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mActionDone = false;
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final long endShutTime = SystemClock.elapsedRealtime() + MAX_SHUTDOWN_WAIT_TIME;
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synchronized (mActionDoneSync) {
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try {
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final IMountService mount = IMountService.Stub.asInterface(
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ServiceManager.checkService("mount"));
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if (mount != null) {
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mount.shutdown(observer);
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} else {
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@@ -446,6 +365,118 @@ public final class ShutdownThread extends Thread {
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rebootOrShutdown(mReboot, mRebootReason);
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}
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private void shutdownRadios(int timeout) {
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// If a radio is wedged, disabling it may hang so we do this work in another thread,
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// just in case.
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final long endTime = SystemClock.elapsedRealtime() + timeout;
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final boolean[] done = new boolean[1];
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Thread t = new Thread() {
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public void run() {
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boolean nfcOff;
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boolean bluetoothOff;
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boolean radioOff;
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final INfcAdapter nfc =
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INfcAdapter.Stub.asInterface(ServiceManager.checkService("nfc"));
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final ITelephony phone =
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ITelephony.Stub.asInterface(ServiceManager.checkService("phone"));
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final IBluetooth bluetooth =
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IBluetooth.Stub.asInterface(ServiceManager.checkService(
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BluetoothAdapter.BLUETOOTH_SERVICE));
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try {
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nfcOff = nfc == null ||
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nfc.getState() == NfcAdapter.STATE_OFF;
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if (!nfcOff) {
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Log.w(TAG, "Turning off NFC...");
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nfc.disable(false); // Don't persist new state
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}
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during NFC shutdown", ex);
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nfcOff = true;
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}
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try {
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bluetoothOff = bluetooth == null ||
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bluetooth.getBluetoothState() == BluetoothAdapter.STATE_OFF;
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if (!bluetoothOff) {
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Log.w(TAG, "Disabling Bluetooth...");
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bluetooth.disable(false); // disable but don't persist new state
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}
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during bluetooth shutdown", ex);
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bluetoothOff = true;
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}
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try {
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radioOff = phone == null || !phone.isRadioOn();
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if (!radioOff) {
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Log.w(TAG, "Turning off radio...");
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phone.setRadio(false);
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}
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during radio shutdown", ex);
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radioOff = true;
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}
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Log.i(TAG, "Waiting for NFC, Bluetooth and Radio...");
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while (SystemClock.elapsedRealtime() < endTime) {
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if (!bluetoothOff) {
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try {
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bluetoothOff =
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bluetooth.getBluetoothState() == BluetoothAdapter.STATE_OFF;
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during bluetooth shutdown", ex);
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bluetoothOff = true;
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}
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if (bluetoothOff) {
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Log.i(TAG, "Bluetooth turned off.");
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}
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}
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if (!radioOff) {
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try {
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radioOff = !phone.isRadioOn();
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during radio shutdown", ex);
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radioOff = true;
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}
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if (radioOff) {
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Log.i(TAG, "Radio turned off.");
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}
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}
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if (!nfcOff) {
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try {
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nfcOff = nfc.getState() == NfcAdapter.STATE_OFF;
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} catch (RemoteException ex) {
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Log.e(TAG, "RemoteException during NFC shutdown", ex);
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nfcOff = true;
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}
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if (radioOff) {
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Log.i(TAG, "NFC turned off.");
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}
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}
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if (radioOff && bluetoothOff && nfcOff) {
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Log.i(TAG, "NFC, Radio and Bluetooth shutdown complete.");
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done[0] = true;
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break;
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}
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SystemClock.sleep(PHONE_STATE_POLL_SLEEP_MSEC);
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}
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}
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};
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t.start();
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try {
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t.join(timeout);
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} catch (InterruptedException ex) {
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}
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if (!done[0]) {
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Log.w(TAG, "Timed out waiting for NFC, Radio and Bluetooth shutdown.");
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}
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}
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/**
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* Do not call this directly. Use {@link #reboot(Context, String, boolean)}
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* or {@link #shutdown(Context, boolean)} instead.
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