diff options
Diffstat (limited to 'src/com/dsi/ant/server/AntService.java')
| -rw-r--r-- | src/com/dsi/ant/server/AntService.java | 156 |
1 files changed, 105 insertions, 51 deletions
diff --git a/src/com/dsi/ant/server/AntService.java b/src/com/dsi/ant/server/AntService.java index 388a311..1ed828f 100644 --- a/src/com/dsi/ant/server/AntService.java +++ b/src/com/dsi/ant/server/AntService.java @@ -46,18 +46,35 @@ public class AntService extends Service public static final String ANT_SERVICE = "AntService"; + /** + * Allows the application to directly configure the ANT radio through the + * proxy service. Malicious applications may prevent other ANT applications + * from connecting to ANT devices + */ public static final String ANT_ADMIN_PERMISSION = "com.dsi.ant.permission.ANT_ADMIN"; + /** + * Request that ANT be enabled + */ public static final String ACTION_REQUEST_ENABLE = "com.dsi.ant.server.action.REQUEST_ENABLE"; + /** + * Request that ANT be disabled + */ public static final String ACTION_REQUEST_DISABLE = "com.dsi.ant.server.action.REQUEST_DISABLE"; private JAntJava mJAnt = null; private boolean mInitialized = false; + /** + * Flag for if Bluetooth needs to be enabled for ANT to enable + */ private boolean mRequiresBluetoothOn = false; + /** + * Flag which specifies if we are waiting for an ANT enable intent + */ private boolean mEnablePending = false; private Object mChangeAntPowerState_LOCK = new Object(); @@ -65,17 +82,16 @@ public class AntService extends Service IAntHalCallback mCallback; - private boolean isQcomPlatform() - { - if ((SystemProperties.get("ro.board.platform").equals("msm8974")) - || (SystemProperties.get("ro.board.platform").equals("msm8610")) - || (SystemProperties.get("ro.board.platform").equals("msm8226"))) { - - return true; - } - return false; - } + /** + * Receives Bluetooth State Changed intent and sends {@link ACTION_REQUEST_ENABLE} + * and {@link ACTION_REQUEST_DISABLE} accordingly + */ + private final StateChangedReceiver mStateChangedReceiver = new StateChangedReceiver(); + /** + * Receives {@link ACTION_REQUEST_ENABLE} and {@link ACTION_REQUEST_DISABLE} + * intents to enable and disable ANT. + */ private final BroadcastReceiver mReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { @@ -97,6 +113,27 @@ public class AntService extends Service } }; + /** + * Checks if Bluetooth needs to be turned on for ANT to enable + */ + private boolean requiresBluetoothOn() { + return isQcomPlatform(); + } + + /** + * Checks if the current platform is QCom + */ + private boolean isQcomPlatform() + { + if ((SystemProperties.get("ro.board.platform").equals("msm8974")) + || (SystemProperties.get("ro.board.platform").equals("msm8610")) + || (SystemProperties.get("ro.board.platform").equals("msm8226"))) { + + return true; + } + return false; + } + public static boolean startService(Context context) { return ( null != context.startService(new Intent(IAntHal.class.getName())) ); @@ -157,22 +194,25 @@ public class AntService extends Service BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); if (bluetoothAdapter != null) { + + // run with permissions of ANTHALService long callingPid = Binder.clearCallingIdentity(); if (!bluetoothAdapter.isEnabled()) { waitForBluetoothToEnable = true; - - // check permissions of ANTHALService + mEnablePending = true; + boolean isEnabling = bluetoothAdapter.enable(); // if enabling adapter has begun, return // success. if (isEnabling) { - mEnablePending = true; result = AntHalDefine.ANT_HAL_RESULT_SUCCESS; // StateChangedReceiver will receive // enabled status and then enable ANT + } else { + mEnablePending = false; } } @@ -226,44 +266,48 @@ public class AntService extends Service */ private int asyncSetAntPowerState(final boolean state) { - int result = AntHalDefine.ANT_HAL_RESULT_FAIL_UNKNOWN; - - synchronized(mChangeAntPowerState_LOCK) { - // Check we are not already in/transitioning to the state we want - int currentState = doGetAntState(); - - if(state) { - if((AntHalDefine.ANT_HAL_STATE_ENABLED == currentState) - || (AntHalDefine.ANT_HAL_STATE_ENABLING == currentState)) { - if(DEBUG) Log.d(TAG, "Enable request ignored as already enabled/enabling"); - - return AntHalDefine.ANT_HAL_RESULT_SUCCESS; - } else if(AntHalDefine.ANT_HAL_STATE_DISABLING == currentState) { - Log.w(TAG, "Enable request ignored as already disabling"); - - return AntHalDefine.ANT_HAL_RESULT_FAIL_UNKNOWN; - } - } else { - if((AntHalDefine.ANT_HAL_STATE_DISABLED == currentState) - || (AntHalDefine.ANT_HAL_STATE_DISABLING == currentState)) { - if(DEBUG)Log.d(TAG, "Disable request ignored as already disabled/disabling"); - - return AntHalDefine.ANT_HAL_RESULT_SUCCESS; - } else if(AntHalDefine.ANT_HAL_STATE_ENABLING == currentState) { - Log.w(TAG, "Disable request ignored as already enabling"); - - return AntHalDefine.ANT_HAL_RESULT_FAIL_UNKNOWN; - } - } - - if (state) { - result = enableBackground(); - } else { - result = disableBackground(); - } + int result = AntHalDefine.ANT_HAL_RESULT_FAIL_UNKNOWN; + + synchronized (mChangeAntPowerState_LOCK) { + // Check we are not already in/transitioning to the state we want + int currentState = doGetAntState(); + + if (state) { + if ((AntHalDefine.ANT_HAL_STATE_ENABLED == currentState) + || (AntHalDefine.ANT_HAL_STATE_ENABLING == currentState)) { + if (DEBUG) { + Log.d(TAG, "Enable request ignored as already enabled/enabling"); + } + + return AntHalDefine.ANT_HAL_RESULT_SUCCESS; + } else if (AntHalDefine.ANT_HAL_STATE_DISABLING == currentState) { + Log.w(TAG, "Enable request ignored as already disabling"); + + return AntHalDefine.ANT_HAL_RESULT_FAIL_UNKNOWN; + } + } else { + if ((AntHalDefine.ANT_HAL_STATE_DISABLED == currentState) + || (AntHalDefine.ANT_HAL_STATE_DISABLING == currentState)) { + if (DEBUG) { + Log.d(TAG, "Disable request ignored as already disabled/disabling"); + } + + return AntHalDefine.ANT_HAL_RESULT_SUCCESS; + } else if (AntHalDefine.ANT_HAL_STATE_ENABLING == currentState) { + Log.w(TAG, "Disable request ignored as already enabling"); + + return AntHalDefine.ANT_HAL_RESULT_FAIL_UNKNOWN; + } + } + + if (state) { + result = enableBackground(); + } else { + result = disableBackground(); + } } - - return result; + + return result; } /** @@ -513,7 +557,7 @@ public class AntService extends Service } // create a single new JAnt HCI Interface instance mJAnt = new JAntJava(); - mRequiresBluetoothOn = isQcomPlatform(); + mRequiresBluetoothOn = requiresBluetoothOn(); JAntStatus createResult = mJAnt.create(mJAntCallback); if (createResult == JAntStatus.SUCCESS) @@ -533,6 +577,12 @@ public class AntService extends Service filter.addAction(ACTION_REQUEST_ENABLE); filter.addAction(ACTION_REQUEST_DISABLE); registerReceiver(mReceiver, filter); + + if (mRequiresBluetoothOn) { + IntentFilter stateChangedFilter = new IntentFilter(); + stateChangedFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED); + registerReceiver(mStateChangedReceiver, stateChangedFilter); + } } @Override @@ -561,6 +611,10 @@ public class AntService extends Service super.onDestroy(); } + if (mRequiresBluetoothOn) { + unregisterReceiver(mStateChangedReceiver); + } + unregisterReceiver(mReceiver); } |