Tie in BLE hw capabilities with api invocation and support.

Change-Id: Ic1f0b3f156cf2fdde8f04b5c4384e4fd3d79623a

4 files changed, 39 insertions, 0 deletions

diff --git a/core/java/android/bluetooth/le/AdvertiseCallback.java b/core/java/android/bluetooth/le/AdvertiseCallback.java
index 59f8cdc..1d26ef9 100644
--- a/core/java/android/bluetooth/le/AdvertiseCallback.java
+++ b/core/java/android/bluetooth/le/AdvertiseCallback.java
@@ -58,6 +58,12 @@ public abstract class AdvertiseCallback {
     public static final int ADVERTISE_FAILED_GATT_SERVICE_FAILURE = 6;
 
     /**
+     * Operation fails as this feature is not supported
+     */
+    public static final int ADVERTISE_FAILED_FEATURE_UNSUPPORTED = 7;
+
+
+    /**
      * Callback when advertising operation succeeds.
      *
      * @param settingsInEffect The actual settings used for advertising, which may be different from
diff --git a/core/java/android/bluetooth/le/BluetoothLeAdvertiser.java b/core/java/android/bluetooth/le/BluetoothLeAdvertiser.java
index a83d875..6b21ce2 100644
--- a/core/java/android/bluetooth/le/BluetoothLeAdvertiser.java
+++ b/core/java/android/bluetooth/le/BluetoothLeAdvertiser.java
@@ -51,6 +51,7 @@ public final class BluetoothLeAdvertiser {
 
     private final IBluetoothManager mBluetoothManager;
     private final Handler mHandler;
+    private BluetoothAdapter mBluetoothAdapter;
     private final Map<AdvertiseCallback, AdvertiseCallbackWrapper>
             mLeAdvertisers = new HashMap<AdvertiseCallback, AdvertiseCallbackWrapper>();
 
@@ -62,6 +63,7 @@ public final class BluetoothLeAdvertiser {
      */
     public BluetoothLeAdvertiser(IBluetoothManager bluetoothManager) {
         mBluetoothManager = bluetoothManager;
+        mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
         mHandler = new Handler(Looper.getMainLooper());
     }
 
@@ -112,6 +114,10 @@ public final class BluetoothLeAdvertiser {
             postCallbackFailure(callback, AdvertiseCallback.ADVERTISE_FAILED_CONTROLLER_FAILURE);
             return;
         }
+        if (!mBluetoothAdapter.isMultipleAdvertisementSupported()) {
+            postCallbackFailure(callback, AdvertiseCallback.ADVERTISE_FAILED_FEATURE_UNSUPPORTED);
+            return;
+        }
         AdvertiseCallbackWrapper wrapper = new AdvertiseCallbackWrapper(callback, advertiseData,
                 scanResponse, settings, gatt);
         UUID uuid = UUID.randomUUID();
diff --git a/core/java/android/bluetooth/le/BluetoothLeScanner.java b/core/java/android/bluetooth/le/BluetoothLeScanner.java
index 44aa117..863282a 100644
--- a/core/java/android/bluetooth/le/BluetoothLeScanner.java
+++ b/core/java/android/bluetooth/le/BluetoothLeScanner.java
@@ -54,6 +54,7 @@ public final class BluetoothLeScanner {
 
     private final IBluetoothManager mBluetoothManager;
     private final Handler mHandler;
+    private BluetoothAdapter mBluetoothAdapter;
     private final Map<ScanCallback, BleScanCallbackWrapper> mLeScanClients;
 
     /**
@@ -61,6 +62,7 @@ public final class BluetoothLeScanner {
      */
     public BluetoothLeScanner(IBluetoothManager bluetoothManager) {
         mBluetoothManager = bluetoothManager;
+        mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
         mHandler = new Handler(Looper.getMainLooper());
         mLeScanClients = new HashMap<ScanCallback, BleScanCallbackWrapper>();
     }
@@ -95,6 +97,11 @@ public final class BluetoothLeScanner {
                 postCallbackError(callback, ScanCallback.SCAN_FAILED_GATT_SERVICE_FAILURE);
                 return;
             }
+            if (!isSettingsConfigAllowedForScan(settings)) {
+                postCallbackError(callback,
+                        ScanCallback.SCAN_FAILED_FEATURE_UNSUPPORTED);
+                return;
+            }
             BleScanCallbackWrapper wrapper = new BleScanCallbackWrapper(gatt, filters,
                     settings, callback);
             try {
@@ -424,4 +431,19 @@ public final class BluetoothLeScanner {
             }
         });
     }
+
+    private boolean isSettingsConfigAllowedForScan(ScanSettings settings) {
+        boolean ret = true;
+        int callbackType;
+
+        callbackType = settings.getCallbackType();
+        if (((callbackType == ScanSettings.CALLBACK_TYPE_ON_LOST) ||
+                (callbackType == ScanSettings.CALLBACK_TYPE_ON_FOUND) ||
+                (callbackType == ScanSettings.CALLBACK_TYPE_ON_UPDATE &&
+                settings.getReportDelayNanos() > 0) &&
+                (!mBluetoothAdapter.isOffloadedFilteringSupported()))) {
+            ret = false;
+        }
+        return ret;
+    }
 }
diff --git a/core/java/android/bluetooth/le/ScanCallback.java b/core/java/android/bluetooth/le/ScanCallback.java
index 50ebf50..f5d7a9a 100644
--- a/core/java/android/bluetooth/le/ScanCallback.java
+++ b/core/java/android/bluetooth/le/ScanCallback.java
@@ -41,6 +41,11 @@ public abstract class ScanCallback {
     public static final int SCAN_FAILED_CONTROLLER_FAILURE = 4;
 
     /**
+     * Fails to start power optimized scan as this feature is not supported.
+     */
+    public static final int SCAN_FAILED_FEATURE_UNSUPPORTED = 5;
+
+    /**
      * Callback when a BLE advertisement is found.
      *
      * @param result A Bluetooth LE scan result.