Clears Android keyboard when user touches any of the dropdown menu views.

Both Local Credit Card and Server Credit card forms have a billing
address.
The Local Credit Card form additionally has the expiration date and expiration month.

BUG=623563

Review-Url: https://chromiumcodereview.appspot.com/2437143004
Cr-Commit-Position: refs/heads/master@{#426927}

chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillCreditCardEditor.java

@@ -72,4 +72,15 @@ abstract class AutofillCreditCardEditor extends AutofillEditorBase {
 
         return v;
     }
+
+    @Override
+    protected void initializeButtons(View v) {
+        super.initializeButtons(v);
+
+        mBillingAddress.setOnItemSelectedListener(this);
+
+        // Listen for touch events on billing address field. We clear the keyboard when user touches
+        // the billing address field because it is a drop down menu.
+        mBillingAddress.setOnTouchListener(this);
+    }
 }

chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillEditorBase.java

@@ -4,6 +4,7 @@
 
 package org.chromium.chrome.browser.preferences.autofill;
 
+import android.annotation.SuppressLint;
 import android.app.Fragment;
 import android.content.Context;
 import android.os.Bundle;
@@ -13,12 +14,16 @@ import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
+import android.view.MotionEvent;
 import android.view.View;
+import android.view.View.OnTouchListener;
 import android.view.ViewGroup;
+import android.view.inputmethod.InputMethodManager;
 import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemSelectedListener;
 import android.widget.Button;
 import android.widget.LinearLayout;
+import android.widget.Spinner;
 
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.payments.ui.EditorView;
@@ -27,7 +32,7 @@ import org.chromium.chrome.browser.widget.DualControlLayout;
 
 /** Base class for Autofill editors (e.g. credit cards and profiles). */
 public abstract class AutofillEditorBase
-        extends Fragment implements OnItemSelectedListener, TextWatcher {
+        extends Fragment implements OnItemSelectedListener, OnTouchListener, TextWatcher {
 
     /** GUID of the profile we are editing.  Empty if creating a new profile. */
     protected String mGUID;
@@ -86,6 +91,18 @@ public abstract class AutofillEditorBase
         return super.onOptionsItemSelected(item);
     }
 
+    // Process touch event on spinner views so we can clear the keyboard.
+    @Override
+    @SuppressLint("ClickableViewAccessibility")
+    public boolean onTouch(View v, MotionEvent event) {
+        if (v instanceof Spinner) {
+            InputMethodManager imm = (InputMethodManager) v.getContext().getSystemService(
+                    Context.INPUT_METHOD_SERVICE);
+            imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
+        }
+        return false;
+    }
+
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         menu.clear();

chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillLocalCardEditor.java

@@ -188,7 +188,11 @@ public class AutofillLocalCardEditor extends AutofillCreditCardEditor {
         mNumberText.addTextChangedListener(this);
         mExpirationMonth.setOnItemSelectedListener(this);
         mExpirationYear.setOnItemSelectedListener(this);
-        mBillingAddress.setOnItemSelectedListener(this);
+
+        // Listen for touch events for drop down menus. We clear the keyboard when user touches
+        // any of these fields.
+        mExpirationMonth.setOnTouchListener(this);
+        mExpirationYear.setOnTouchListener(this);
     }
 
     private void updateSaveButtonEnabled() {

chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillProfileEditor.java

@@ -279,6 +279,10 @@ public class AutofillProfileEditor extends AutofillEditorBase {
         mEmailText.addTextChangedListener(this);
         mCountriesDropdown.setOnItemSelectedListener(this);
         mNoCountryItemIsSelected = true;
+
+        // Listen for touch events on country field. We clear the keyboard when user touches
+        // the country field because it is a drop down menu.
+        mCountriesDropdown.setOnTouchListener(this);
     }
 
     private void setSaveButtonEnabled(boolean enabled) {

chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillServerCardEditor.java

@@ -99,10 +99,4 @@ public class AutofillServerCardEditor extends AutofillCreditCardEditor {
     protected boolean getIsDeletable() {
         return false;
     }
-
-    @Override
-    protected void initializeButtons(View v) {
-        super.initializeButtons(v);
-        mBillingAddress.setOnItemSelectedListener(this);
-    }
 }