Merge "Camera: add new detailed error callback" into pi-dev

am: d4c5d1e448

Change-Id: I05c46b7e8558a0877d4274c5dcd86cfa9c4f2917

core/java/android/hardware/Camera.java

@@ -177,6 +177,7 @@ public class Camera {
     private OnZoomChangeListener mZoomListener;
     private FaceDetectionListener mFaceListener;
     private ErrorCallback mErrorCallback;
+    private ErrorCallback mDetailedErrorCallback;
     private boolean mOneShot;
     private boolean mWithBuffer;
     private boolean mFaceDetectionRunning = false;
@@ -1240,8 +1241,14 @@ public class Camera {
 
             case CAMERA_MSG_ERROR :
                 Log.e(TAG, "Error " + msg.arg1);
-                if (mErrorCallback != null) {
-                    mErrorCallback.onError(msg.arg1, mCamera);
+                if (mDetailedErrorCallback != null) {
+                    mDetailedErrorCallback.onError(msg.arg1, mCamera);
+                } else if (mErrorCallback != null) {
+                    if (msg.arg1 == CAMERA_ERROR_DISABLED) {
+                        mErrorCallback.onError(CAMERA_ERROR_EVICTED, mCamera);
+                    } else {
+                        mErrorCallback.onError(msg.arg1, mCamera);
+                    }
                 }
                 return;
 
@@ -2004,6 +2011,15 @@ public class Camera {
      */
     public static final int CAMERA_ERROR_EVICTED = 2;
 
+    /**
+     * Camera was disconnected due to device policy change or client
+     * application going to background.
+     * @see Camera.ErrorCallback
+     *
+     * @hide
+     */
+    public static final int CAMERA_ERROR_DISABLED = 3;
+
     /**
      * Media server died. In this case, the application must release the
      * Camera object and instantiate a new one.
@@ -2043,6 +2059,24 @@ public class Camera {
         mErrorCallback = cb;
     }
 
+    /**
+     * Registers a callback to be invoked when an error occurs.
+     * The detailed error callback may contain error code that
+     * gives more detailed information about the error.
+     *
+     * When a detailed callback is set, the callback set via
+     * #setErrorCallback(ErrorCallback) will stop receiving
+     * onError call.
+     *
+     * @param cb The callback to run
+     *
+     * @hide
+     */
+    public final void setDetailedErrorCallback(ErrorCallback cb)
+    {
+        mDetailedErrorCallback = cb;
+    }
+
     private native final void native_setParameters(String params);
     private native final String native_getParameters();
 

core/java/android/hardware/camera2/legacy/RequestThreadManager.java

@@ -193,6 +193,11 @@ public class RequestThreadManager {
                     mDeviceState.setError(
                             CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DISCONNECTED);
                 } break;
+                case Camera.CAMERA_ERROR_DISABLED: {
+                    flush();
+                    mDeviceState.setError(
+                            CameraDeviceImpl.CameraDeviceCallbacks.ERROR_CAMERA_DISABLED);
+                } break;
                 default:  {
                     Log.e(TAG, "Received error " + i + " from the Camera1 ErrorCallback");
                     mDeviceState.setError(
@@ -1005,7 +1010,7 @@ public class RequestThreadManager {
         mFaceDetectMapper = new LegacyFaceDetectMapper(mCamera, mCharacteristics);
         mCaptureCollector = new CaptureCollector(MAX_IN_FLIGHT_REQUESTS, mDeviceState);
         mRequestThread = new RequestHandlerThread(name, mRequestHandlerCb);
-        mCamera.setErrorCallback(mErrorCallback);
+        mCamera.setDetailedErrorCallback(mErrorCallback);
     }
 
     /**