Merge pull request ArthurHub#407 from hendrysetiadi89/master

add cropmove and windowchange listener, add getCropWindowRect()

cropper/src/main/java/com/theartofdev/edmodo/cropper/CropImageView.java

@@ -150,6 +150,16 @@ public class CropImageView extends FrameLayout {
      */
     private OnSetCropOverlayReleasedListener mOnCropOverlayReleasedListener;
 
+    /**
+     * callback to be invoked when crop overlay is moved.
+     */
+    private OnSetCropOverlayMovedListener mOnSetCropOverlayMovedListener;
+
+    /**
+     * callback to be invoked when crop window is changed.
+     */
+    private OnSetCropWindowChangeListener mOnSetCropWindowChangeListener;
+
     /**
      * callback to be invoked when image async loading is complete.
      */
@@ -312,6 +322,10 @@ public void onCropWindowChanged(boolean inProgress) {
                 if (listener != null && !inProgress) {
                     listener.onCropOverlayReleased(getCropRect());
                 }
+                OnSetCropOverlayMovedListener movedListener = mOnSetCropOverlayMovedListener;
+                if (movedListener != null && inProgress) {
+                    movedListener.onCropOverlayMoved(getCropRect());
+                }
             }
         });
         mCropOverlayView.setInitialAttributeValues(options);
@@ -657,6 +671,18 @@ public Rect getCropRect() {
                 mCropOverlayView.isFixAspectRatio(), mCropOverlayView.getAspectRatioX(), mCropOverlayView.getAspectRatioY());
     }
 
+    /**
+     * Gets the crop window's position relative to the parent's view at screen.
+     *
+     * @return a Rect instance containing cropped area boundaries of the source Bitmap
+     */
+    public RectF getCropWindowRect() {
+        if (mCropOverlayView == null) {
+            return null;
+        }
+        return mCropOverlayView.getCropWindowRect();
+    }
+
     /**
      * Gets the 4 points of crop window's position relative to the source Bitmap (not the image
      * displayed in the CropImageView) using the original image rotation.<br>
@@ -870,6 +896,20 @@ public void setOnSetCropOverlayReleasedListener(OnSetCropOverlayReleasedListener
         mOnCropOverlayReleasedListener = listener;
     }
 
+    /**
+     * Set the callback when the cropping is moved
+     */
+    public void setOnSetCropOverlayMovedListener(OnSetCropOverlayMovedListener listener) {
+        mOnSetCropOverlayMovedListener = listener;
+    }
+
+    /**
+     * Set the callback when the crop window is changed
+     */
+    public void setOnCropWindowChangedListener(OnSetCropWindowChangeListener listener) {
+        mOnSetCropWindowChangeListener = listener;
+    }
+
     /**
      * Set the callback to be invoked when image async loading ({@link #setImageUriAsync(Uri)})
      * is complete (successful or failed).
@@ -1455,6 +1495,9 @@ private void handleCropWindowChanged(boolean inProgress, boolean animate) {
                     applyImageMatrix(width, height, true, animate);
                 }
             }
+            if (mOnSetCropWindowChangeListener != null && !inProgress){
+                mOnSetCropWindowChangeListener.onCropWindowChanged();
+            }
         }
     }
 
@@ -1745,6 +1788,31 @@ public interface OnSetCropOverlayReleasedListener {
         void onCropOverlayReleased(Rect rect);
     }
 
+
+    /**
+     * Interface definition for a callback to be invoked when the crop overlay is released.
+     */
+    public interface OnSetCropOverlayMovedListener {
+
+        /**
+         * Called when the crop overlay is moved
+         *
+         * @param rect The rect coordinates of the cropped overlay
+         */
+        void onCropOverlayMoved(Rect rect);
+    }
+
+    /**
+     * Interface definition for a callback to be invoked when the crop overlay is released.
+     */
+    public interface OnSetCropWindowChangeListener {
+
+        /**
+         * Called when the crop window is changed
+         */
+        void onCropWindowChanged();
+    }
+
     /**
      * Interface definition for a callback to be invoked when image async loading is complete.
      */