Add wrapper for face detection listener. (504c3736) · Commits · e / os / android_packages_apps_Gallery2

src/com/android/camera/AndroidCameraManagerImpl.java

+78 −36

Original line number	Diff line number	Diff line
		@@ -391,12 +391,12 @@ class AndroidCameraManagerImpl implements CameraManager {

		@TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB)
		@Override
		public void setPreviewTexture(final SurfaceTexture surfaceTexture) {
		public void setPreviewTexture(SurfaceTexture surfaceTexture) {
		mCameraHandler.obtainMessage(SET_PREVIEW_TEXTURE_ASYNC, surfaceTexture).sendToTarget();
		}

		@Override
		public void setPreviewDisplay(final SurfaceHolder surfaceHolder) {
		public void setPreviewDisplay(SurfaceHolder surfaceHolder) {
		mCameraHandler.obtainMessage(SET_PREVIEW_DISPLAY_ASYNC, surfaceHolder).sendToTarget();
		}

		@@ -413,18 +413,18 @@ class AndroidCameraManagerImpl implements CameraManager {

		@Override
		public void setPreviewDataCallback(
		Handler handler, final CameraPreviewDataCallback cb) {
		Handler handler, CameraPreviewDataCallback cb) {
		mCameraHandler.obtainMessage(
		SET_PREVIEW_CALLBACK,
		PreviewCallbackForward.instance(handler, this, cb)).sendToTarget();
		PreviewCallbackForward.getNewInstance(handler, this, cb)).sendToTarget();
		}

		@Override
		public void setPreviewDataCallbackWithBuffer(
		Handler handler, final CameraPreviewDataCallback cb) {
		Handler handler, CameraPreviewDataCallback cb) {
		mCameraHandler.obtainMessage(
		SET_PREVIEW_CALLBACK_WITH_BUFFER,
		PreviewCallbackForward.instance(handler, this, cb)).sendToTarget();
		PreviewCallbackForward.getNewInstance(handler, this, cb)).sendToTarget();
		}

		@Override
		@@ -436,7 +436,7 @@ class AndroidCameraManagerImpl implements CameraManager {
		public void autoFocus(Handler handler, CameraAFCallback cb) {
		mCameraHandler.obtainMessage(
		AUTO_FOCUS,
		AFCallbackForward.instance(handler, this, cb)).sendToTarget();
		AFCallbackForward.getNewInstance(handler, this, cb)).sendToTarget();
		}

		@Override
		@@ -448,24 +448,24 @@ class AndroidCameraManagerImpl implements CameraManager {
		@TargetApi(ApiHelper.VERSION_CODES.JELLY_BEAN)
		@Override
		public void setAutoFocusMoveCallback(
		Handler handler, final CameraAFMoveCallback cb) {
		Handler handler, CameraAFMoveCallback cb) {
		mCameraHandler.obtainMessage(
		SET_AUTO_FOCUS_MOVE_CALLBACK,
		AFMoveCallbackForward.instance(handler, this, cb)).sendToTarget();
		AFMoveCallbackForward.getNewInstance(handler, this, cb)).sendToTarget();
		}

		@Override
		public void takePicture(
		final Handler handler,
		final CameraShutterCallback shutter,
		final CameraPictureCallback raw,
		final CameraPictureCallback post,
		final CameraPictureCallback jpeg) {
		Handler handler,
		CameraShutterCallback shutter,
		CameraPictureCallback raw,
		CameraPictureCallback post,
		CameraPictureCallback jpeg) {
		mCameraHandler.requestTakePicture(
		ShutterCallbackForward.instance(handler, this, shutter),
		PictureCallbackForward.instance(handler, this, raw),
		PictureCallbackForward.instance(handler, this, post),
		PictureCallbackForward.instance(handler, this, jpeg));
		ShutterCallbackForward.getNewInstance(handler, this, shutter),
		PictureCallbackForward.getNewInstance(handler, this, raw),
		PictureCallbackForward.getNewInstance(handler, this, post),
		PictureCallbackForward.getNewInstance(handler, this, jpeg));
		}

		@Override
		@@ -480,8 +480,11 @@ class AndroidCameraManagerImpl implements CameraManager {
		}

		@TargetApi(ApiHelper.VERSION_CODES.ICE_CREAM_SANDWICH)
		public void setFaceDetectionListener(FaceDetectionListener listener) {
		mCameraHandler.obtainMessage(SET_FACE_DETECTION_LISTENER, listener).sendToTarget();
		public void setFaceDetectionCallback(
		Handler handler, CameraFaceDetectionCallback cb) {
		mCameraHandler.obtainMessage(
		SET_FACE_DETECTION_LISTENER,
		FaceDetectionCallbackForward.getNewInstance(handler, this, cb)).sendToTarget();
		}

		@Override
		@@ -537,15 +540,15 @@ class AndroidCameraManagerImpl implements CameraManager {
		private final CameraAFCallback mCallback;

		/**
		* Returns an instance of {@link AFCallbackForward}.
		* Returns a new instance of {@link AFCallbackForward}.
		*
		* @param handler The handler in which the callback will be invoked in.
		* @param camera The {@link CameraProxy} which the callback is from.
		* @param cb The callback to be invoked.
		* @return The instance of the {@link AFCallbackForward},
		* or null if any one of other parameters is null.
		* or null if any parameter is null.
		*/
		public static AFCallbackForward instance(
		public static AFCallbackForward getNewInstance(
		Handler handler, CameraProxy camera, CameraAFCallback cb) {
		if (handler == null \|\| camera == null \|\| cb == null) return null;
		return new AFCallbackForward(handler, camera, cb);
		@@ -577,15 +580,15 @@ class AndroidCameraManagerImpl implements CameraManager {
		private final CameraProxy mCamera;

		/**
		* Returns an instance of {@link AFMoveCallbackForward}.
		* Returns a new instance of {@link AFMoveCallbackForward}.
		*
		* @param handler The handler in which the callback will be invoked in.
		* @param camera The {@link CameraProxy} which the callback is from.
		* @param cb The callback to be invoked.
		* @return The instance of the {@link AFMoveCallbackForward},
		* or null if any one of other parameters is null.
		* or null if any parameter is null.
		*/
		public static AFMoveCallbackForward instance(
		public static AFMoveCallbackForward getNewInstance(
		Handler handler, CameraProxy camera, CameraAFMoveCallback cb) {
		if (handler == null \|\| camera == null \|\| cb == null) return null;
		return new AFMoveCallbackForward(handler, camera, cb);
		@@ -619,15 +622,15 @@ class AndroidCameraManagerImpl implements CameraManager {
		private final CameraProxy mCamera;

		/**
		* Returns an instance of {@link ShutterCallbackForward}.
		* Returns a new instance of {@link ShutterCallbackForward}.
		*
		* @param handler The handler in which the callback will be invoked in.
		* @param camera The {@link CameraProxy} which the callback is from.
		* @param cb The callback to be invoked.
		* @return The instance of the {@link ShutterCallbackForward},
		* or null if any one of other parameters is null.
		* or null if any parameter is null.
		*/
		public static ShutterCallbackForward instance(
		public static ShutterCallbackForward getNewInstance(
		Handler handler, CameraProxy camera, CameraShutterCallback cb) {
		if (handler == null \|\| camera == null \|\| cb == null) return null;
		return new ShutterCallbackForward(handler, camera, cb);
		@@ -660,15 +663,15 @@ class AndroidCameraManagerImpl implements CameraManager {
		private final CameraProxy mCamera;

		/**
		* Returns an instance of {@link PictureCallbackForward}.
		* Returns a new instance of {@link PictureCallbackForward}.
		*
		* @param handler The handler in which the callback will be invoked in.
		* @param camera The {@link CameraProxy} which the callback is from.
		* @param cb The callback to be invoked.
		* @return The instance of the {@link PictureCallbackForward},
		* or null if any one of other parameters is null.
		* or null if any parameters is null.
		*/
		public static PictureCallbackForward instance(
		public static PictureCallbackForward getNewInstance(
		Handler handler, CameraProxy camera, CameraPictureCallback cb) {
		if (handler == null \|\| camera == null \|\| cb == null) return null;
		return new PictureCallbackForward(handler, camera, cb);
		@@ -702,15 +705,15 @@ class AndroidCameraManagerImpl implements CameraManager {
		private final CameraProxy mCamera;

		/**
		* Returns an instance of {@link PreviewCallbackForward}.
		* Returns a new instance of {@link PreviewCallbackForward}.
		*
		* @param handler The handler in which the callback will be invoked in.
		* @param camera The {@link CameraProxy} which the callback is from.
		* @param cb The callback to be invoked.
		* @return The instance of the {@link PictureCallbackForward},
		* or null if any one of other parameters is null.
		* @return The instance of the {@link PreviewCallbackForward},
		* or null if any parameters is null.
		*/
		public static PreviewCallbackForward instance(
		public static PreviewCallbackForward getNewInstance(
		Handler handler, CameraProxy camera, CameraPreviewDataCallback cb) {
		if (handler == null \|\| camera == null \|\| cb == null) return null;
		return new PreviewCallbackForward(handler, camera, cb);
		@@ -734,4 +737,43 @@ class AndroidCameraManagerImpl implements CameraManager {
		});
		}
		}

		private static class FaceDetectionCallbackForward implements FaceDetectionListener {
		private final Handler mHandler;
		private final CameraFaceDetectionCallback mCallback;
		private final CameraProxy mCamera;

		/**
		* Returns a new instance of {@link FaceDetectionCallbackForward}.
		*
		* @param handler The handler in which the callback will be invoked in.
		* @param camera The {@link CameraProxy} which the callback is from.
		* @param cb The callback to be invoked.
		* @return The instance of the {@link FaceDetectionCallbackForward},
		* or null if any parameter is null.
		*/
		public static FaceDetectionCallbackForward getNewInstance(
		Handler handler, CameraProxy camera, CameraFaceDetectionCallback cb) {
		if (handler == null \|\| camera == null \|\| cb == null) return null;
		return new FaceDetectionCallbackForward(handler, camera, cb);
		}

		private FaceDetectionCallbackForward(
		Handler h, CameraProxy camera, CameraFaceDetectionCallback cb) {
		mHandler = h;
		mCamera = camera;
		mCallback = cb;
		}

		@Override
		public void onFaceDetection(
		final Camera.Face[] faces, Camera camera) {
		mHandler.post(new Runnable() {
		@Override
		public void run() {
		mCallback.onFaceDetection(faces, mCamera);
		}
		});
		}
		}
		}

src/com/android/camera/CameraManager.java

+19 −5

Original line number	Diff line number	Diff line
		@@ -18,8 +18,8 @@ package com.android.camera;

		import android.annotation.TargetApi;
		import android.graphics.SurfaceTexture;
		import android.hardware.Camera;
		import android.hardware.Camera.ErrorCallback;
		import android.hardware.Camera.FaceDetectionListener;
		import android.hardware.Camera.OnZoomChangeListener;
		import android.hardware.Camera.Parameters;
		import android.os.Handler;
		@@ -41,7 +41,6 @@ import java.io.IOException;
		*
		* TODO: provide callback interfaces for:
		* {@code android.hardware.Camera.ErrorCallback},
		* {@code android.hardware.Camera.FaceDetectionListener},
		* {@code android.hardware.Camera.OnZoomChangeListener}, and
		* {@code android.hardware.Camera.Parameters}.
		*/
		@@ -87,6 +86,20 @@ public interface CameraManager {
		public void onPreviewFrame(byte[] data, CameraProxy camera);
		}

		/**
		* An interface which wraps
		* {@link android.hardware.Camera.FaceDetectionListener}.
		*/
		public interface CameraFaceDetectionCallback {
		/**
		* Callback for face detection.
		*
		* @param faces Recognized face in the preview.
		* @param camera The camera which the preview image comes from.
		*/
		public void onFaceDetection(Camera.Face[] faces, CameraProxy camera);
		}

		/**
		* Opens the camera of the specified ID synchronously.
		*
		@@ -248,10 +261,11 @@ public interface CameraManager {
		/**
		* Sets the face detection listener.
		*
		* @param listener The listener for face detection results.
		* @param handler The handler in which the callback will be invoked.
		* @param callback The callback for face detection results.
		*/
		@TargetApi(ApiHelper.VERSION_CODES.ICE_CREAM_SANDWICH)
		public void setFaceDetectionListener(FaceDetectionListener listener);
		public void setFaceDetectionCallback(Handler handler, CameraFaceDetectionCallback callback);

		/**
		* Starts the face detection.

src/com/android/camera/PhotoModule.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -664,7 +664,7 @@ public class PhotoModule
		CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId];
		mUI.onStartFaceDetection(mDisplayOrientation,
		(info.facing == CameraInfo.CAMERA_FACING_FRONT));
		mCameraDevice.setFaceDetectionListener(mUI);
		mCameraDevice.setFaceDetectionCallback(mHandler, mUI);
		mCameraDevice.startFaceDetection();
		}
		}
		@@ -676,7 +676,7 @@ public class PhotoModule
		if (!mFaceDetectionStarted) return;
		if (mParameters.getMaxNumDetectedFaces() > 0) {
		mFaceDetectionStarted = false;
		mCameraDevice.setFaceDetectionListener(null);
		mCameraDevice.setFaceDetectionCallback(null, null);
		mCameraDevice.stopFaceDetection();
		mUI.clearFaces();
		}
		@@ -1502,7 +1502,7 @@ public class PhotoModule
		if (mCameraDevice != null) {
		mCameraDevice.setZoomChangeListener(null);
		if(ApiHelper.HAS_FACE_DETECTION) {
		mCameraDevice.setFaceDetectionListener(null);
		mCameraDevice.setFaceDetectionCallback(null, null);
		}
		mCameraDevice.setErrorCallback(null);
		CameraHolder.instance().release();

src/com/android/camera/PhotoUI.java

+4 −8

Original line number	Diff line number	Diff line
		@@ -27,13 +27,11 @@ import android.graphics.SurfaceTexture;
		import android.hardware.Camera;
		import android.hardware.Camera.Face;
		import android.hardware.Camera.FaceDetectionListener;
		import android.hardware.Camera.Parameters;
		import android.hardware.Camera.Size;
		import android.os.Handler;
		import android.os.Message;
		import android.util.Log;
		import android.view.Gravity;
		import android.view.MotionEvent;
		import android.view.TextureView;
		import android.view.View;
		import android.view.View.OnClickListener;
		@@ -42,20 +40,19 @@ import android.view.ViewGroup;
		import android.view.ViewStub;
		import android.widget.FrameLayout;
		import android.widget.FrameLayout.LayoutParams;
		import android.widget.ImageView;
		import android.widget.Toast;

		import com.android.camera.CameraPreference.OnPreferenceChangedListener;
		import com.android.camera.FocusOverlayManager.FocusUI;
		import com.android.camera.ui.AbstractSettingPopup;
		import com.android.camera.ui.CameraControls;
		import com.android.camera.ui.CameraRootView;
		import com.android.camera.ui.CameraSwitcher;
		import com.android.camera.ui.CameraSwitcher.CameraSwitchListener;
		import com.android.camera.ui.CountDownView;
		import com.android.camera.ui.CountDownView.OnCountDownFinishedListener;
		import com.android.camera.ui.CameraSwitcher;
		import com.android.camera.ui.FaceView;
		import com.android.camera.ui.FocusIndicator;
		import com.android.camera.ui.CameraRootView;
		import com.android.camera.ui.PieRenderer;
		import com.android.camera.ui.PieRenderer.PieListener;
		import com.android.camera.ui.RenderOverlay;
		@@ -63,14 +60,13 @@ import com.android.camera.ui.ZoomRenderer;
		import com.android.gallery3d.R;
		import com.android.gallery3d.common.ApiHelper;

		import java.io.IOException;
		import java.util.List;

		public class PhotoUI implements PieListener,
		PreviewGestures.SingleTapListener,
		FocusUI, TextureView.SurfaceTextureListener,
		LocationManager.Listener, CameraRootView.MyDisplayListener,
		FaceDetectionListener {
		CameraManager.CameraFaceDetectionCallback {

		private static final String TAG = "CAM_UI";
		private static final int UPDATE_TRANSFORM_MATRIX = 1;
		@@ -856,7 +852,7 @@ public class PhotoUI implements PieListener,
		}

		@Override
		public void onFaceDetection(Face[] faces, android.hardware.Camera camera) {
		public void onFaceDetection(Face[] faces, CameraManager.CameraProxy camera) {
		mFaceView.setFaces(faces);
		}