Use dropdown anchor to compute dropdown height

In case the dropdown anchor is not set to itself, use
the anchor to properly compute the remaining height
from the bottom of the view to bottom of the screen.

b/17824127

Change-Id: Ic588f4ad6cede7ed22074ff7ed91843dca00a689

1 files changed, 10 insertions, 3 deletions

diff --git a/src/com/android/ex/chips/RecipientEditTextView.java b/src/com/android/ex/chips/RecipientEditTextView.java
index 6b25b8f..9310639 100644
--- a/src/com/android/ex/chips/RecipientEditTextView.java
+++ b/src/com/android/ex/chips/RecipientEditTextView.java
@@ -175,6 +175,7 @@ public class RecipientEditTextView extends MultiAutoCompleteTextView implements
     private TextWatcher mTextWatcher;
     private DropdownChipLayouter mDropdownChipLayouter;
 
+    private View mDropdownAnchor = this;
     private ListPopupWindow mAlternatesPopup;
     private ListPopupWindow mAddressPopup;
     private View mAlternatePopupAnchor;
@@ -346,6 +347,11 @@ public class RecipientEditTextView extends MultiAutoCompleteTextView implements
     protected void onAttachedToWindow() {
         super.onAttachedToWindow();
         mAttachedToWindow = true;
+
+        final int anchorId = getDropDownAnchor();
+        if (anchorId != View.NO_ID) {
+            mDropdownAnchor = getRootView().findViewById(anchorId);
+        }
     }
 
     @Override
@@ -529,12 +535,13 @@ public class RecipientEditTextView extends MultiAutoCompleteTextView implements
                                 R.string.accessbility_suggestion_dropdown_opened));
                     }
                 }
-                // Set the dropdown height to be the remaining height
+
+                // Set the dropdown height to be the remaining height from the anchor to the bottom.
                 final int[] coords = new int[2];
-                getLocationInWindow(coords);
+                mDropdownAnchor.getLocationInWindow(coords);
                 final Rect displayFrame = new Rect();
                 getWindowVisibleDisplayFrame(displayFrame);
-                setDropDownHeight(displayFrame.bottom - coords[1] - getHeight());
+                setDropDownHeight(displayFrame.bottom - coords[1] - mDropdownAnchor.getHeight());
 
                 mCurrentSuggestionCount = entries == null ? 0 : entries.size();
             }