Merge "Fix for bug 7344916 text view flickers when you hit enter" into jb-mr1-dev

Author: raphlinus

core/java/android/widget/TextView.java

@@ -367,6 +367,7 @@ static class Drawables {
     private boolean mSingleLine;
     private int mDesiredHeightAtMeasure = -1;
     private boolean mIncludePad = true;
+    private int mDeferScroll = -1;
 
     // tmp primitives, so we don't alloc them on each draw
     private Rect mTempRect;
@@ -6317,6 +6318,11 @@ private void checkForRelayout() {
     @Override
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
         super.onLayout(changed, left, top, right, bottom);
+        if (mDeferScroll >= 0) {
+            int curs = mDeferScroll;
+            mDeferScroll = -1;
+            bringPointIntoView(curs);
+        }
         if (changed && mEditor != null) mEditor.invalidateTextDisplayList();
     }
 
@@ -6399,6 +6405,10 @@ private boolean bringTextIntoView() {
      * This has to be called after layout. Returns true if anything changed.
      */
     public boolean bringPointIntoView(int offset) {
+        if (isLayoutRequested()) {
+            mDeferScroll = offset;
+            return false;
+        }
         boolean changed = false;
 
         Layout layout = isShowingHint() ? mHintLayout: mLayout;
@@ -7108,13 +7118,13 @@ void updateAfterEdit() {
             registerForPreDraw();
         }
 
+        checkForResize();
+
         if (curs >= 0) {
             mHighlightPathBogus = true;
             if (mEditor != null) mEditor.makeBlink();
             bringPointIntoView(curs);
         }
-
-        checkForResize();
     }
 
     /**
@@ -7161,6 +7171,7 @@ void spanChange(Spanned buf, Object what, int oldStart, int newStart, int oldEnd
 
             if (oldStart >= 0 || newStart >= 0) {
                 invalidateCursor(Selection.getSelectionStart(buf), oldStart, newStart);
+                checkForResize();
                 registerForPreDraw();
                 if (mEditor != null) mEditor.makeBlink();
             }