feat:Pullable return pulling distance

iOS/Pod/Classes/Refresh/DoricRefreshableNode.m

@@ -152,13 +152,13 @@ - (void)stopAnimation {
     [self.headerNode callJSResponse:@"stopAnimation", nil];
 }
 
-- (void)setProgressRotation:(CGFloat)rotation {
-    [self.headerNode callJSResponse:@"setProgressRotation", @(rotation), nil];
+- (void)setPullingDistance:(CGFloat)distance {
+    [self.headerNode callJSResponse:@"setPullingDistance", @(distance), nil];
 }
 
 - (void)setRefreshing:(NSNumber *)refreshable withPromise:(DoricPromise *)promise {
     self.view.refreshing = [refreshable boolValue];
-    [promise resolve:nil]; 
+    [promise resolve:nil];
 }
 
 - (void)setRefreshable:(NSNumber *)refreshing withPromise:(DoricPromise *)promise {

iOS/Pod/Classes/Refresh/DoricSwipeRefreshLayout.h

@@ -1,18 +1,3 @@
-/*
- * Copyright [2019] [Doric.Pub]
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 //
 // Created by pengfei.zhou on 2019/11/26.
 //
@@ -24,7 +9,7 @@
 
 - (void)stopAnimation;
 
-- (void)setProgressRotation:(CGFloat)rotation;
+- (void)setPullingDistance:(CGFloat)rotation;
 @end
 
 @interface DoricSwipeRefreshLayout : UIScrollView

iOS/Pod/Classes/Refresh/DoricSwipeRefreshLayout.m

@@ -109,7 +109,7 @@ - (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL
 
 - (void)scrollViewDidScroll:(UIScrollView *)scrollView {
     if (scrollView.contentOffset.y <= 0) {
-        [self.swipePullingDelegate setProgressRotation:-scrollView.contentOffset.y / self.headerView.height * 2];
+        [self.swipePullingDelegate setPullingDistance:-scrollView.contentOffset.y];
     }
 }