Feat(Restore Position): Change default reset action (APSL#52)

* Feat(Restore Position): Change default reset action

* Feat(Restore Position): add the same feature for scrollview

* Fix(remove unnecessary function)

Author: Swordsman-Inaction

lib/KeyboardAwareListView.js

@@ -32,6 +32,10 @@ const KeyboardAwareListView = React.createClass({
         contentInset={{bottom: this.state.keyboardSpace}}
         showsVerticalScrollIndicator={true}
         {...this.props}
+        onScroll={e => {
+          this.handleOnScroll(e)
+          this.props.onScroll && this.props.onScroll(e)
+        }}
       />
     )
   },

lib/KeyboardAwareMixin.js

@@ -62,6 +62,10 @@ const KeyboardAwareMixin = {
         }
       )
     }
+
+    if (!this.resetCoords) {
+      this.defaultResetScrollToCoords = this.position
+    }
   },
 
   resetKeyboardSpace: function () {
@@ -72,6 +76,8 @@ const KeyboardAwareMixin = {
     // Reset scroll position after keyboard dismissal
     if (this.resetCoords) {
       this.scrollToPosition(this.resetCoords.x, this.resetCoords.y, true)
+    } else {
+      this.scrollToPosition(this.defaultResetScrollToCoords.x, this.defaultResetScrollToCoords.y, true)
     }
   },
 
@@ -107,6 +113,14 @@ const KeyboardAwareMixin = {
     const reactNode = ReactNative.findNodeHandle(nodeID)
     this.scrollToFocusedInput(reactNode, extraHeight)
   },
+
+  position: {x: 0, y: 0},
+
+  defaultResetScrollToCoords: {x: 0, y: 0},
+
+  handleOnScroll: function (e) {
+    this.position = e.nativeEvent.contentOffset
+  },
 }
 
 export default KeyboardAwareMixin

lib/KeyboardAwareScrollView.js

@@ -31,7 +31,12 @@ const KeyboardAwareScrollView = React.createClass({
         keyboardDismissMode='interactive'
         contentInset={{bottom: this.state.keyboardSpace}}
         showsVerticalScrollIndicator={true}
-        {...this.props}>
+        {...this.props}
+        onScroll={e => {
+          this.handleOnScroll(e)
+          this.props.onScroll && this.props.onScroll(e)
+        }}
+        >
         {this.props.children}
       </ScrollView>
     )