Enable [Save] button after changing billing address.

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.preferences.autofill;
 
 import android.os.Bundle;
 import android.text.Editable;
 import android.text.TextUtils;
 import android.text.TextWatcher;
@@ skipping 24 matching lines @@
     private FloatLabelLayout mNameLabel;
     private EditText mNameText;
     private FloatLabelLayout mNumberLabel;
     private EditText mNumberText;
     private Spinner mExpirationMonth;
     private Spinner mExpirationYear;
     private Spinner mBillingAddress;
 
     private int mInitialExpirationMonthPos;
     private int mInitialExpirationYearPos;
+    private int mInitialBillingAddressPos;
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
         View v = super.onCreateView(inflater, container, savedInstanceState);
 
         mNameLabel = (FloatLabelLayout) v.findViewById(R.id.credit_card_name_label);
         mNameText = (EditText) v.findViewById(R.id.credit_card_name_edit);
         mNumberLabel = (FloatLabelLayout) v.findViewById(R.id.credit_card_number_label);
         mNumberText = (EditText) v.findViewById(R.id.credit_card_number_edit);
@@ skipping 19 matching lines @@
 
     @Override
     protected int getTitleResourceId(boolean isNewEntry) {
         return isNewEntry
                 ? R.string.autofill_create_credit_card : R.string.autofill_edit_credit_card;
     }
 
     @Override
     public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
         if ((parent == mExpirationYear && position != mInitialExpirationYearPos)
-                || (parent == mExpirationMonth && position != mInitialExpirationMonthPos)) {
+                || (parent == mExpirationMonth && position != mInitialExpirationMonthPos)
+                || (parent == mBillingAddress && position != mInitialBillingAddressPos)) {
             updateSaveButtonEnabled();
         }
     }
 
     @Override
     public void onTextChanged(CharSequence s, int start, int before, int count) {
         updateSaveButtonEnabled();
     }
 
     void addSpinnerAdapters() {
@@ skipping 32 matching lines @@
                 getActivity().getString(R.string.autofill_billing_address_select_prompt));
         profilesAdapter.add(noSelection);
 
         List<AutofillProfile> profiles = PersonalDataManager.getInstance().getProfilesForSettings();
         for (int i = 0; i < profiles.size(); i++) {
             AutofillProfile profile = profiles.get(i);
             if (profile.getIsLocal()) profilesAdapter.add(profile);
         }
 
         mBillingAddress.setAdapter(profilesAdapter);
+        mInitialBillingAddressPos = 0;
         mBillingAddress.setSelection(0);
 
         // TODO(rouslan): Use an [+ ADD ADDRESS] button instead of disabling the dropdown.
         // http://crbug.com/623629
         if (profilesAdapter.getCount() == 1) mBillingAddress.setEnabled(false);
     }
 
     private void addCardDataToEditFields() {
         CreditCard card = PersonalDataManager.getInstance().getCreditCard(mGUID);
         if (card == null) {
@@ skipping 34 matching lines @@
                     (ArrayAdapter<CharSequence>) mExpirationYear.getAdapter();
             adapter.insert(card.getYear(), 0);
             mInitialExpirationYearPos = 0;
         }
         mExpirationYear.setSelection(mInitialExpirationYearPos);
 
         if (!TextUtils.isEmpty(card.getBillingAddressId())) {
             for (int i = 0; i < mBillingAddress.getAdapter().getCount(); i++) {
                 AutofillProfile profile = (AutofillProfile) mBillingAddress.getAdapter().getItem(i);
                 if (TextUtils.equals(profile.getGUID(), card.getBillingAddressId())) {
+                    mInitialBillingAddressPos = i;
                     mBillingAddress.setSelection(i);
                     break;
                 }
             }
         }
     }
 
     // Read edited data; save in the associated Chrome profile.
     // Ignore empty fields.
     @Override
@@ skipping 20 matching lines @@
 
     @Override
     protected void initializeButtons(View v) {
         super.initializeButtons(v);
 
         // Listen for changes to inputs. Enable the save button after something has changed.
         mNameText.addTextChangedListener(this);
         mNumberText.addTextChangedListener(this);
         mExpirationMonth.setOnItemSelectedListener(this);
         mExpirationYear.setOnItemSelectedListener(this);
+        mBillingAddress.setOnItemSelectedListener(this);
     }
 
     private void updateSaveButtonEnabled() {
         boolean enabled = !TextUtils.isEmpty(mNameText.getText())
                 || !TextUtils.isEmpty(mNumberText.getText());
         Button button = (Button) getView().findViewById(R.id.button_primary);
         button.setEnabled(enabled);
     }
 
     /**
@@ skipping 79 matching lines @@
             }
         }
 
         public static boolean hasDashOrSpace(final CharSequence s, final int start,
                 final int count) {
             return TextUtils.indexOf(s, " ", start, start + count) != -1
                     || TextUtils.indexOf(s, "-", start, start + count) != -1;
         }
     }
 }