Moved Flash to enums

cameraview/src/main/java/com/otaliastudios/cameraview/Camera1.java

@@ -143,7 +143,7 @@ class Camera1 extends CameraController {
                 mExtraProperties = new ExtraProperties(params);
                 mOptions = new CameraOptions(params);
                 applyDefaultFocus(params);
-                mergeFlash(params, CameraConstants.Defaults.DEFAULT_FLASH);
+                mergeFlash(params, Flash.DEFAULT);
                 mergeLocation(params, 0d, 0d);
                 mergeWhiteBalance(params, CameraConstants.Defaults.DEFAULT_WHITE_BALANCE);
                 params.setRecordingHint(mSessionType == SESSION_TYPE_VIDEO);
@@ -271,8 +271,8 @@ class Camera1 extends CameraController {
     }
 
     @Override
-    void setFlash(@Flash int flash) {
-        int old = mFlash;
+    void setFlash(Flash flash) {
+        Flash old = mFlash;
         mFlash = flash;
         if (isCameraOpened()) {
             synchronized (mLock) {
@@ -283,7 +283,7 @@ class Camera1 extends CameraController {
     }
 
 
-    private boolean mergeFlash(Camera.Parameters params, @Flash int oldFlash) {
+    private boolean mergeFlash(Camera.Parameters params, Flash oldFlash) {
         if (mOptions.getSupportedFlash().contains(mFlash)) {
             params.setFlashMode((String) mMapper.mapFlash(mFlash));
             return true;

cameraview/src/main/java/com/otaliastudios/cameraview/Camera2.java

@@ -137,7 +137,7 @@ class Camera2 extends CameraController {
     }
 
     @Override
-    void setFlash(@Flash int flash) {
+    void setFlash(Flash flash) {
 
     }
 

cameraview/src/main/java/com/otaliastudios/cameraview/CameraConstants.java

@@ -5,16 +5,6 @@ public class CameraConstants {
 
     public static final int PERMISSION_REQUEST_CODE = 16;
 
-    @Deprecated public static final int GESTURE_ACTION_NONE = 0;
-    @Deprecated public static final int FACING_BACK = 0;
-    @Deprecated public static final int FOCUS_CONTINUOUS = 1;
-    @Deprecated public static final int ZOOM_OFF = 0;
-
-    public static final int FLASH_OFF = 0;
-    public static final int FLASH_ON = 1;
-    public static final int FLASH_AUTO = 2;
-    public static final int FLASH_TORCH = 3;
-
     public static final int GRID_OFF = 0;
     public static final int GRID_3X3 = 1;
     public static final int GRID_4X4 = 2;
@@ -41,17 +31,7 @@ public class CameraConstants {
     static class Defaults {
 
         // TODO: Move to enum classes
-        static final int DEFAULT_GESTURE_ACTION_TAP = GESTURE_ACTION_NONE;
-        static final int DEFAULT_GESTURE_ACTION_LONG_TAP = GESTURE_ACTION_NONE;
-        static final int DEFAULT_GESTURE_ACTION_PINCH = GESTURE_ACTION_NONE;
-        static final int DEFAULT_FACING = FACING_BACK;
-
-        // Deprecated
-        @Deprecated static final int DEFAULT_FOCUS = FOCUS_CONTINUOUS;
-        @Deprecated static final int DEFAULT_ZOOM = ZOOM_OFF;
 
-        // OK
-        static final int DEFAULT_FLASH = FLASH_OFF;
         static final int DEFAULT_VIDEO_QUALITY = VIDEO_QUALITY_480P;
         static final int DEFAULT_WHITE_BALANCE = WHITE_BALANCE_AUTO;
         static final int DEFAULT_SESSION_TYPE = SESSION_TYPE_PICTURE;

cameraview/src/main/java/com/otaliastudios/cameraview/CameraController.java

@@ -12,7 +12,7 @@ abstract class CameraController implements Preview.SurfaceCallback {
     protected final Preview mPreview;
 
     protected Facing mFacing;
-    @Flash protected int mFlash;
+    protected Flash mFlash;
     @VideoQuality protected int mVideoQuality;
     @WhiteBalance protected int mWhiteBalance;
     @SessionType protected int mSessionType;
@@ -32,7 +32,7 @@ abstract class CameraController implements Preview.SurfaceCallback {
     abstract boolean setZoom(float zoom);
     abstract boolean setExposureCorrection(float EVvalue);
     abstract void setFacing(Facing facing);
-    abstract void setFlash(@Flash int flash);
+    abstract void setFlash(Flash flash);
     abstract void setVideoQuality(@VideoQuality int videoQuality);
     abstract void setWhiteBalance(@WhiteBalance int whiteBalance);
     abstract void setSessionType(@SessionType int sessionType);
@@ -56,9 +56,7 @@ abstract class CameraController implements Preview.SurfaceCallback {
     final Facing getFacing() {
         return mFacing;
     }
-
-    @Flash
-    final int getFlash() {
+    final Flash getFlash() {
         return mFlash;
     }
 

cameraview/src/main/java/com/otaliastudios/cameraview/CameraOptions.java

@@ -17,7 +17,7 @@ public class CameraOptions {
 
     private Set<Integer> supportedWhiteBalance = new HashSet<>(5);
     private Set<Facing> supportedFacing = new HashSet<>(2);
-    private Set<Integer> supportedFlash = new HashSet<>(4);
+    private Set<Flash> supportedFlash = new HashSet<>(4);
 
     private boolean zoomSupported;
     private boolean videoSnapshotSupported;
@@ -54,7 +54,7 @@ public class CameraOptions {
         strings = params.getSupportedFlashModes();
         if (strings != null) {
             for (String string : strings) {
-                Integer value = mapper.unmapFlash(string);
+                Flash value = mapper.unmapFlash(string);
                 if (value != null) supportedFlash.add(value);
             }
         }
@@ -93,14 +93,14 @@ public class CameraOptions {
     /**
      * Set of supported flash values.
      *
-     * @see CameraConstants#FLASH_AUTO
-     * @see CameraConstants#FLASH_OFF
-     * @see CameraConstants#FLASH_ON
-     * @see CameraConstants#FLASH_TORCH
+     * @see Flash#AUTO
+     * @see Flash#OFF
+     * @see Flash#ON
+     * @see Flash#TORCH
      * @return a set of supported values.
      */
     @NonNull
-    public Set<Integer> getSupportedFlash() {
+    public Set<Flash> getSupportedFlash() {
         return supportedFlash;
     }
 

cameraview/src/main/java/com/otaliastudios/cameraview/CameraView.java

@@ -38,11 +38,7 @@ import static android.view.View.MeasureSpec.UNSPECIFIED;
 
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
 
-/**
- * TODO: README for gestures
- * TODO: deprecate setFocus, CONTINUOUS should be the default
- *
- */
+
 public class CameraView extends FrameLayout {
 
     private final static String TAG = CameraView.class.getSimpleName();
@@ -96,18 +92,17 @@ public class CameraView extends FrameLayout {
     @SuppressWarnings("WrongConstant")
     private void init(@NonNull Context context, @Nullable AttributeSet attrs) {
         TypedArray a = context.getTheme().obtainStyledAttributes(attrs, R.styleable.CameraView, 0, 0);
-        Facing facing = Facing.fromValue(a.getInteger(R.styleable.CameraView_cameraFacing, Defaults.DEFAULT_FACING));
-        int flash = a.getInteger(R.styleable.CameraView_cameraFlash, Defaults.DEFAULT_FLASH);
+        Facing facing = Facing.fromValue(a.getInteger(R.styleable.CameraView_cameraFacing, Facing.DEFAULT.value()));
+        Flash flash = Flash.fromValue(a.getInteger(R.styleable.CameraView_cameraFlash, Flash.DEFAULT.value()));
         int sessionType = a.getInteger(R.styleable.CameraView_cameraSessionType, Defaults.DEFAULT_SESSION_TYPE);
         int whiteBalance = a.getInteger(R.styleable.CameraView_cameraWhiteBalance, Defaults.DEFAULT_WHITE_BALANCE);
         int videoQuality = a.getInteger(R.styleable.CameraView_cameraVideoQuality, Defaults.DEFAULT_VIDEO_QUALITY);
         int grid = a.getInteger(R.styleable.CameraView_cameraGrid, Defaults.DEFAULT_GRID);
         mJpegQuality = a.getInteger(R.styleable.CameraView_cameraJpegQuality, Defaults.DEFAULT_JPEG_QUALITY);
         mCropOutput = a.getBoolean(R.styleable.CameraView_cameraCropOutput, Defaults.DEFAULT_CROP_OUTPUT);
-        GestureAction tapGesture = GestureAction.fromValue(a.getInteger(R.styleable.CameraView_cameraGestureTap, Defaults.DEFAULT_GESTURE_ACTION_TAP));
-        // int doubleTapGesture = a.getInteger(R.styleable.CameraView_cameraGestureDoubleTap, Defaults.DEFAULT_GESTURE_ACTION_DOUBLE_TAP);
-        GestureAction longTapGesture = GestureAction.fromValue(a.getInteger(R.styleable.CameraView_cameraGestureLongTap, Defaults.DEFAULT_GESTURE_ACTION_LONG_TAP));
-        GestureAction pinchGesture = GestureAction.fromValue(a.getInteger(R.styleable.CameraView_cameraGesturePinch, Defaults.DEFAULT_GESTURE_ACTION_PINCH));
+        GestureAction tapGesture = GestureAction.fromValue(a.getInteger(R.styleable.CameraView_cameraGestureTap, GestureAction.DEFAULT_TAP.value()));
+        GestureAction longTapGesture = GestureAction.fromValue(a.getInteger(R.styleable.CameraView_cameraGestureLongTap, GestureAction.DEFAULT_LONG_TAP.value()));
+        GestureAction pinchGesture = GestureAction.fromValue(a.getInteger(R.styleable.CameraView_cameraGesturePinch, GestureAction.DEFAULT_PINCH.value()));
         a.recycle();
 
         mCameraCallbacks = new CameraCallbacks();
@@ -736,14 +731,14 @@ public class CameraView extends FrameLayout {
     /**
      * Sets the flash mode.
      *
-     * @see CameraConstants#FLASH_OFF
-     * @see CameraConstants#FLASH_ON
-     * @see CameraConstants#FLASH_AUTO
-     * @see CameraConstants#FLASH_TORCH
+     * @see Flash#OFF
+     * @see Flash#ON
+     * @see Flash#AUTO
+     * @see Flash#TORCH
 
      * @param flash desired flash mode.
      */
-    public void setFlash(@Flash int flash) {
+    public void setFlash(Flash flash) {
         mCameraController.setFlash(flash);
     }
 
@@ -752,33 +747,31 @@ public class CameraView extends FrameLayout {
      * Gets the current flash mode.
      * @return a flash mode
      */
-    @Flash
-    public int getFlash() {
+    public Flash getFlash() {
         return mCameraController.getFlash();
     }
 
 
     /**
-     * Toggles the flash mode between {@link CameraConstants#FLASH_OFF},
-     * {@link CameraConstants#FLASH_ON} and {@link CameraConstants#FLASH_AUTO}, in this order.
+     * Toggles the flash mode between {@link Flash#OFF},
+     * {@link Flash#ON} and {@link Flash#AUTO}, in this order.
      *
      * @return the new flash value
      */
-    @Flash
-    public int toggleFlash() {
-        int flash = mCameraController.getFlash();
+    public Flash toggleFlash() {
+        Flash flash = mCameraController.getFlash();
         switch (flash) {
-            case FLASH_OFF:
-                setFlash(FLASH_ON);
+            case OFF:
+                setFlash(Flash.ON);
                 break;
 
-            case FLASH_ON:
-                setFlash(FLASH_AUTO);
+            case ON:
+                setFlash(Flash.AUTO);
                 break;
 
-            case FLASH_AUTO:
-            case FLASH_TORCH:
-                setFlash(FLASH_OFF);
+            case AUTO:
+            case TORCH:
+                setFlash(Flash.OFF);
                 break;
         }
 
@@ -1325,7 +1318,7 @@ public class CameraView extends FrameLayout {
      */
     @Deprecated
     public int getFocus() {
-        return Defaults.DEFAULT_FOCUS;
+        return 0;
     }
 
 
@@ -1365,7 +1358,7 @@ public class CameraView extends FrameLayout {
      */
     @Deprecated
     public int getZoomMode() {
-        return Defaults.DEFAULT_ZOOM;
+        return 0;
     }
 
 }

cameraview/src/main/java/com/otaliastudios/cameraview/Mapper.java

@@ -6,23 +6,23 @@ import java.util.HashMap;
 
 abstract class Mapper {
 
-    abstract <T> T mapFlash(@Flash int internalConstant);
+    abstract <T> T mapFlash(Flash internalConstant);
     abstract <T> T mapFacing(Facing internalConstant);
     abstract <T> T mapWhiteBalance(@WhiteBalance int internalConstant);
-    @Flash abstract <T> Integer unmapFlash(T cameraConstant);
+    abstract <T> Flash unmapFlash(T cameraConstant);
     abstract <T> Facing unmapFacing(T cameraConstant);
     @WhiteBalance abstract <T> Integer unmapWhiteBalance(T cameraConstant);
 
     static class Mapper1 extends Mapper {
-        private static final HashMap<Integer, String> FLASH = new HashMap<>();
+        private static final HashMap<Flash, String> FLASH = new HashMap<>();
         private static final HashMap<Integer, String> WB = new HashMap<>();
         private static final HashMap<Facing, Integer> FACING = new HashMap<>();
 
         static {
-            FLASH.put(CameraConstants.FLASH_OFF, Camera.Parameters.FLASH_MODE_OFF);
-            FLASH.put(CameraConstants.FLASH_ON, Camera.Parameters.FLASH_MODE_ON);
-            FLASH.put(CameraConstants.FLASH_AUTO, Camera.Parameters.FLASH_MODE_AUTO);
-            FLASH.put(CameraConstants.FLASH_TORCH, Camera.Parameters.FLASH_MODE_TORCH);
+            FLASH.put(Flash.OFF, Camera.Parameters.FLASH_MODE_OFF);
+            FLASH.put(Flash.ON, Camera.Parameters.FLASH_MODE_ON);
+            FLASH.put(Flash.AUTO, Camera.Parameters.FLASH_MODE_AUTO);
+            FLASH.put(Flash.TORCH, Camera.Parameters.FLASH_MODE_TORCH);
             FACING.put(Facing.BACK, Camera.CameraInfo.CAMERA_FACING_BACK);
             FACING.put(Facing.FRONT, Camera.CameraInfo.CAMERA_FACING_FRONT);
             WB.put(CameraConstants.WHITE_BALANCE_AUTO, Camera.Parameters.WHITE_BALANCE_AUTO);
@@ -33,7 +33,7 @@ abstract class Mapper {
         }
 
         @Override
-        <T> T mapFlash(int internalConstant) {
+        <T> T mapFlash(Flash internalConstant) {
             return (T) FLASH.get(internalConstant);
         }
 
@@ -57,7 +57,7 @@ abstract class Mapper {
         }
 
         @Override
-        <T> Integer unmapFlash(T cameraConstant) {
+        <T> Flash unmapFlash(T cameraConstant) {
             return reverseLookup(FLASH, cameraConstant);
         }
 
@@ -80,18 +80,18 @@ abstract class Mapper {
         }
 
         @Override
-        <T> T mapFlash(@Flash int internalConstant) {
+        <T> T mapFlash(Flash internalConstant) {
             return null;
         }
 
         @Override
-        <T> Integer unmapFlash(T cameraConstant) {
-            return 0;
+        <T> Flash unmapFlash(T cameraConstant) {
+            return null;
         }
 
         @Override
         <T> Integer unmapWhiteBalance(T cameraConstant) {
-            return 0;
+            return null;
         }
 
         @Override

cameraview/src/main/options/com/otaliastudios/cameraview/Facing.java

@@ -2,7 +2,7 @@ package com.otaliastudios.cameraview;
 
 
 /**
- * Facing values indicates which camera sensor should be used for the current session.
+ * Facing value indicates which camera sensor should be used for the current session.
  *
  * @see CameraView#setFacing(int)
  */
@@ -18,13 +18,15 @@ public enum Facing {
      */
     FRONT(1);
 
+    final static Facing DEFAULT = BACK;
+
     private int value;
 
     Facing(int value) {
         this.value = value;
     }
 
-    private int value() {
+    int value() {
         return value;
     }
 

cameraview/src/main/options/com/otaliastudios/cameraview/Flash.java

@@ -1,16 +1,64 @@
 package com.otaliastudios.cameraview;
 
-import android.support.annotation.IntDef;
 
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
+/**
+ * Flash value indicates the flash mode to be used.
+ *
+ * @see CameraView#setFlash(int)
+ */
+public enum Flash {
 
-import static com.otaliastudios.cameraview.CameraConstants.FLASH_AUTO;
-import static com.otaliastudios.cameraview.CameraConstants.FLASH_OFF;
-import static com.otaliastudios.cameraview.CameraConstants.FLASH_ON;
-import static com.otaliastudios.cameraview.CameraConstants.FLASH_TORCH;
+    /**
+     * Flash is always off.
+     */
+    OFF(0),
 
-@Retention(RetentionPolicy.SOURCE)
-@IntDef({FLASH_OFF, FLASH_ON, FLASH_AUTO, FLASH_TORCH})
-public @interface Flash {
-}
+    /**
+     * Flash will be on when capturing.
+     * This is not guaranteed to be supported.
+     *
+     * @see CameraOptions#getSupportedFlash()
+     */
+    ON(1),
+
+
+    /**
+     * Flash mode is chosen by the camera.
+     * This is not guaranteed to be supported.
+     *
+     * @see CameraOptions#getSupportedFlash()
+     */
+    AUTO(2),
+
+
+    /**
+     * TODO: is this true?
+     * Flash is always on, working as a torch.
+     * This is not guaranteed to be supported.
+     *
+     * @see CameraOptions#getSupportedFlash()
+     */
+    TORCH(3);
+
+    static final Flash DEFAULT = OFF;
+
+    private int value;
+
+    Flash(int value) {
+        this.value = value;
+    }
+
+    int value() {
+        return value;
+    }
+
+    static Flash fromValue(int value) {
+        Flash[] list = Flash.values();
+        for (Flash action : list) {
+            if (action.value() == value) {
+                return action;
+            }
+        }
+        return null;
+    }
+}

cameraview/src/main/options/com/otaliastudios/cameraview/GestureAction.java

@@ -61,13 +61,17 @@ public enum GestureAction {
     EXPOSURE_CORRECTION(5);
 
 
+    final static GestureAction DEFAULT_PINCH = NONE;
+    final static GestureAction DEFAULT_TAP = NONE;
+    final static GestureAction DEFAULT_LONG_TAP = NONE;
+
     private int value;
 
     GestureAction(int value) {
         this.value = value;
     }
 
-    private int value() {
+    int value() {
         return value;
     }
 

demo/src/main/java/com/otaliastudios/cameraview/demo/MainActivity.java

@@ -197,15 +197,15 @@ public class MainActivity extends AppCompatActivity implements View.OnLayoutChan
     void toggleFlash() {
         if (mCapturingPicture) return;
         switch (camera.toggleFlash()) {
-            case CameraConstants.FLASH_ON:
+            case ON:
                 message("Flash on!", false);
                 break;
 
-            case CameraConstants.FLASH_OFF:
+            case OFF:
                 message("Flash off!", false);
                 break;
 
-            case CameraConstants.FLASH_AUTO:
+            case AUTO:
                 message("Flash auto!", false);
                 break;
         }