chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillCreditCardEditor.java - chromium/src - Git at Google

 // 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.app.Fragment;
 import android.os.Bundle;
 import android.text.Editable;
 import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemSelectedListener;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.Spinner;

 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.autofill.PersonalDataManager;
 import org.chromium.chrome.browser.autofill.PersonalDataManager.CreditCard;
 import org.chromium.chrome.browser.widget.FloatLabelLayout;

 import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.Locale;

 /**
  * Provides the Java-ui for editing a Credit Card autofill entry.
  */
 public class AutofillCreditCardEditor extends Fragment implements OnItemSelectedListener,
         TextWatcher {
     // GUID of the card profile we are editing.
     // May be the empty string if creating a new card.
     private String mGUID;

     private FloatLabelLayout mNameLabel;
     private EditText mNameText;
     private FloatLabelLayout mNumberLabel;
     private EditText mNumberText;
     private Spinner mExpirationMonth;
     private Spinner mExpirationYear;

     private int mInitialExpirationMonthPos;
     private int mInitialExpirationYearPos;

     @Override
     public void onCreate(Bundle savedState) {
         super.onCreate(savedState);
     }

     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

         View v = inflater.inflate(R.layout.autofill_credit_card_editor, container, false);
         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);

         // Set text watcher to format credit card number
         mNumberText.addTextChangedListener(new CreditCardNumberFormattingTextWatcher());

         mExpirationMonth = (Spinner) v.findViewById(
                 R.id.autofill_credit_card_editor_month_spinner);
         mExpirationYear = (Spinner) v.findViewById(
                 R.id.autofill_credit_card_editor_year_spinner);

         // We know which profile to edit based on the GUID stuffed in
         // our extras by AutofillPreferences.
         Bundle extras = getArguments();
         if (extras != null) {
             mGUID = extras.getString(AutofillPreferences.AUTOFILL_GUID);
         }
         if (mGUID == null) {
             mGUID = "";
             getActivity().setTitle(R.string.autofill_create_credit_card);
         } else {
             getActivity().setTitle(R.string.autofill_edit_credit_card);
         }

         addSpinnerAdapters();
         addCardDataToEditFields();
         initializeSaveCancelDeleteButtons(v);
         return v;
     }

     @Override
     public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
         if ((parent == mExpirationYear && position != mInitialExpirationYearPos)
                 || (parent == mExpirationMonth && position != mInitialExpirationMonthPos)) {
             updateSaveButtonEnabled();
         }
     }

     @Override
     public void onNothingSelected(AdapterView<?> parent) {}

     @Override
     public void afterTextChanged(Editable s) {}

     @Override
     public void beforeTextChanged(CharSequence s, int start, int count, int after) {}

     @Override
     public void onTextChanged(CharSequence s, int start, int before, int count) {
         updateSaveButtonEnabled();
     }

     void addSpinnerAdapters() {
         ArrayAdapter<CharSequence> adapter = new ArrayAdapter<CharSequence>(getActivity(),
                 android.R.layout.simple_spinner_item);

         // Populate the month dropdown.
         Calendar calendar = Calendar.getInstance();
         calendar.set(Calendar.DAY_OF_MONTH, 1);
         SimpleDateFormat formatter = new SimpleDateFormat("MMMM (MM)", Locale.getDefault());

         for (int month = 0; month < 12; month++) {
             calendar.set(Calendar.MONTH, month);
             adapter.add(formatter.format(calendar.getTime()));
         }
         adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         mExpirationMonth.setAdapter(adapter);

         // Populate the year dropdown.
         adapter = new ArrayAdapter<CharSequence>(getActivity(),
                 android.R.layout.simple_spinner_item);
         int initialYear = calendar.get(Calendar.YEAR);
         for (int year = initialYear; year < initialYear + 10; year++) {
             adapter.add(Integer.toString(year));
         }
         adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         mExpirationYear.setAdapter(adapter);
     }

     private void addCardDataToEditFields() {
         CreditCard card = PersonalDataManager.getInstance().getCreditCard(mGUID);
         if (card == null) {
             mNameLabel.focusWithoutAnimation();
             return;
         }

         if (!TextUtils.isEmpty(card.getName())) {
             mNameLabel.setText(card.getName());
         }
         if (!TextUtils.isEmpty(card.getNumber())) {
             mNumberLabel.setText(card.getNumber());
         }

         // Make the name label focusable in touch mode so that mNameText doesn't get focused.
         mNameLabel.getLabel().setFocusableInTouchMode(true);

         int monthAsInt = 1;
         if (!card.getMonth().isEmpty()) {
             monthAsInt = Integer.parseInt(card.getMonth());
         }
         mExpirationMonth.setSelection(monthAsInt - 1);

         mInitialExpirationYearPos = 0;
         boolean foundYear = false;
         for (int i = 0; i < mExpirationYear.getAdapter().getCount(); i++) {
             if (card.getYear().equals(mExpirationYear.getAdapter().getItem(i))) {
                 mInitialExpirationYearPos = i;
                 foundYear = true;
                 break;
             }
         }
         // Maybe your card expired years ago? Add the card's year
         // to the spinner adapter if not found.
         if (!foundYear && !card.getYear().isEmpty()) {
             @SuppressWarnings("unchecked")
             ArrayAdapter<CharSequence> adapter =
                     (ArrayAdapter<CharSequence>) mExpirationYear.getAdapter();
             adapter.insert(card.getYear(), 0);
             mInitialExpirationYearPos = 0;
         }
         mExpirationYear.setSelection(mInitialExpirationYearPos);
     }

     // Read edited data; save in the associated Chrome profile.
     // Ignore empty fields.
     private void saveCreditCard() {
         // Remove all spaces in editText.
         String cardNumber = mNumberText.getText().toString().replaceAll("\\s+", "");
         CreditCard card = new CreditCard(mGUID, AutofillPreferences.SETTINGS_ORIGIN,
                 true /* isLocal */, false /* isCached */, mNameText.getText().toString().trim(),
                 cardNumber, "" /* obfuscatedNumber */,
                 String.valueOf(mExpirationMonth.getSelectedItemPosition() + 1),
                 (String) mExpirationYear.getSelectedItem(), "" /* basicCardPaymentType */,
                 0 /* issuerIconDrawableId */);

         PersonalDataManager.getInstance().setCreditCard(card);
     }

     private void deleteCreditCard() {
         if (mGUID != null) {
             PersonalDataManager.getInstance().deleteCreditCard(mGUID);
         }
     }

     private void initializeSaveCancelDeleteButtons(View v) {
         Button button = (Button) v.findViewById(R.id.autofill_credit_card_delete);
         if ((mGUID == null) || (mGUID.compareTo("") == 0)) {
             // If this is a create, disable the delete button.
             button.setEnabled(false);
         } else {
             button.setOnClickListener(new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
                         AutofillCreditCardEditor.this.deleteCreditCard();
                         getActivity().finish();
                     }
                 });
         }
         button = (Button) v.findViewById(R.id.autofill_credit_card_cancel);
         button.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View v) {
                     getActivity().finish();
                 }
             });
         button = (Button) v.findViewById(R.id.autofill_credit_card_save);
         button.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View v) {
                     AutofillCreditCardEditor.this.saveCreditCard();
                     getActivity().finish();
                 }
             });

         button.setEnabled(false);

         // 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);
     }

     private void updateSaveButtonEnabled() {
         boolean enabled = !TextUtils.isEmpty(mNameText.getText())
                 || !TextUtils.isEmpty(mNumberText.getText());
         Button button = (Button) getView().findViewById(R.id.autofill_credit_card_save);
         button.setEnabled(enabled);
     }

     /**
      * Watch a TextView and if a credit card number is entered, it will format the number.
      * Disable formatting when user:
      * 1. Inputs dashes or spaces.
      * 2. Removes separators in the middle of the string
      * 3. Enters a number longer than 16 digits.
      *
      * Formatting will be re-enabled once text is cleared.
      */
     private static class CreditCardNumberFormattingTextWatcher implements TextWatcher {
         /** Character for card number section separator. */
         private static final String SEPARATOR = " ";

         /**
          * Whether to format the credit card number. If true, spaces will be inserted
          * automatically between each group of 4 digits in the credit card number as the user types.
          * This is set to false if the user types a dash or deletes one of the auto-inserted spaces.
          */
         private boolean mFormattingEnabled = true;

         /**
          * Whether the change was caused by ourselves.
          * This is set true when we are manipulating the text of EditText,
          * and all callback functions should check this boolean to avoid infinite recursion.
          */
         private boolean mSelfChange = false;

         @Override
         public void onTextChanged(CharSequence s, int start, int before, int count) {
             if (mSelfChange || !mFormattingEnabled) return;
             // If user enters non-digit characters, do not format.
             if (count > 0 && hasDashOrSpace(s, start, count)) {
                 mFormattingEnabled = false;
             }
         }

         @Override
         public void beforeTextChanged(CharSequence s, int start, int count, int after) {
             if (mSelfChange || !mFormattingEnabled) return;
             // If user deletes non-digit characters, do not format.
             if (count > 0 && hasDashOrSpace(s, start, count)) {
                 mFormattingEnabled = false;
             }
         }

         @Override
         public void afterTextChanged(Editable s) {
             if (mSelfChange) return;
             mSelfChange = true;

             if (mFormattingEnabled) {
                 removeSeparators(s);
                 // If number is too long, do not format it and remove all
                 // previous separators.
                 if (s.length() > 16) {
                     mFormattingEnabled = false;
                 } else {
                     insertSeparators(s);
                 }
             }
             // If user clears the input, re-enable formatting
             if (s.length() == 0) mFormattingEnabled = true;

             mSelfChange = false;
         }

         public static void removeSeparators(Editable s) {
             int index = TextUtils.indexOf(s, SEPARATOR);
             while (index >= 0) {
                 s.delete(index, index + 1);
                 index = TextUtils.indexOf(s, SEPARATOR, index + 1);
             }
         }

         public static void insertSeparators(Editable s) {
             final int[] positions = {4, 9, 14 };
             for (int i : positions) {
                 if (s.length() > i) {
                     s.insert(i, SEPARATOR);
                 }
             }
         }

         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;
         }
     }
 }
	// 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.app.Fragment;
	import android.os.Bundle;
	import android.text.Editable;
	import android.text.TextUtils;
	import android.text.TextWatcher;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.widget.AdapterView;
	import android.widget.AdapterView.OnItemSelectedListener;
	import android.widget.ArrayAdapter;
	import android.widget.Button;
	import android.widget.EditText;
	import android.widget.Spinner;

	import org.chromium.chrome.R;
	import org.chromium.chrome.browser.autofill.PersonalDataManager;
	import org.chromium.chrome.browser.autofill.PersonalDataManager.CreditCard;
	import org.chromium.chrome.browser.widget.FloatLabelLayout;

	import java.text.SimpleDateFormat;
	import java.util.Calendar;
	import java.util.Locale;

	/**
	* Provides the Java-ui for editing a Credit Card autofill entry.
	*/
	public class AutofillCreditCardEditor extends Fragment implements OnItemSelectedListener,
	TextWatcher {
	// GUID of the card profile we are editing.
	// May be the empty string if creating a new card.
	private String mGUID;

	private FloatLabelLayout mNameLabel;
	private EditText mNameText;
	private FloatLabelLayout mNumberLabel;
	private EditText mNumberText;
	private Spinner mExpirationMonth;
	private Spinner mExpirationYear;

	private int mInitialExpirationMonthPos;
	private int mInitialExpirationYearPos;

	@Override
	public void onCreate(Bundle savedState) {
	super.onCreate(savedState);
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
	Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);

	View v = inflater.inflate(R.layout.autofill_credit_card_editor, container, false);
	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);

	// Set text watcher to format credit card number
	mNumberText.addTextChangedListener(new CreditCardNumberFormattingTextWatcher());

	mExpirationMonth = (Spinner) v.findViewById(
	R.id.autofill_credit_card_editor_month_spinner);
	mExpirationYear = (Spinner) v.findViewById(
	R.id.autofill_credit_card_editor_year_spinner);

	// We know which profile to edit based on the GUID stuffed in
	// our extras by AutofillPreferences.
	Bundle extras = getArguments();
	if (extras != null) {
	mGUID = extras.getString(AutofillPreferences.AUTOFILL_GUID);
	}
	if (mGUID == null) {
	mGUID = "";
	getActivity().setTitle(R.string.autofill_create_credit_card);
	} else {
	getActivity().setTitle(R.string.autofill_edit_credit_card);
	}

	addSpinnerAdapters();
	addCardDataToEditFields();
	initializeSaveCancelDeleteButtons(v);
	return v;
	}

	@Override
	public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
	if ((parent == mExpirationYear && position != mInitialExpirationYearPos)
	\|\| (parent == mExpirationMonth && position != mInitialExpirationMonthPos)) {
	updateSaveButtonEnabled();
	}
	}

	@Override
	public void onNothingSelected(AdapterView<?> parent) {}

	@Override
	public void afterTextChanged(Editable s) {}

	@Override
	public void beforeTextChanged(CharSequence s, int start, int count, int after) {}

	@Override
	public void onTextChanged(CharSequence s, int start, int before, int count) {
	updateSaveButtonEnabled();
	}

	void addSpinnerAdapters() {
	ArrayAdapter<CharSequence> adapter = new ArrayAdapter<CharSequence>(getActivity(),
	android.R.layout.simple_spinner_item);

	// Populate the month dropdown.
	Calendar calendar = Calendar.getInstance();
	calendar.set(Calendar.DAY_OF_MONTH, 1);
	SimpleDateFormat formatter = new SimpleDateFormat("MMMM (MM)", Locale.getDefault());

	for (int month = 0; month < 12; month++) {
	calendar.set(Calendar.MONTH, month);
	adapter.add(formatter.format(calendar.getTime()));
	}
	adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
	mExpirationMonth.setAdapter(adapter);

	// Populate the year dropdown.
	adapter = new ArrayAdapter<CharSequence>(getActivity(),
	android.R.layout.simple_spinner_item);
	int initialYear = calendar.get(Calendar.YEAR);
	for (int year = initialYear; year < initialYear + 10; year++) {
	adapter.add(Integer.toString(year));
	}
	adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
	mExpirationYear.setAdapter(adapter);
	}

	private void addCardDataToEditFields() {
	CreditCard card = PersonalDataManager.getInstance().getCreditCard(mGUID);
	if (card == null) {
	mNameLabel.focusWithoutAnimation();
	return;
	}

	if (!TextUtils.isEmpty(card.getName())) {
	mNameLabel.setText(card.getName());
	}
	if (!TextUtils.isEmpty(card.getNumber())) {
	mNumberLabel.setText(card.getNumber());
	}

	// Make the name label focusable in touch mode so that mNameText doesn't get focused.
	mNameLabel.getLabel().setFocusableInTouchMode(true);

	int monthAsInt = 1;
	if (!card.getMonth().isEmpty()) {
	monthAsInt = Integer.parseInt(card.getMonth());
	}
	mExpirationMonth.setSelection(monthAsInt - 1);

	mInitialExpirationYearPos = 0;
	boolean foundYear = false;
	for (int i = 0; i < mExpirationYear.getAdapter().getCount(); i++) {
	if (card.getYear().equals(mExpirationYear.getAdapter().getItem(i))) {
	mInitialExpirationYearPos = i;
	foundYear = true;
	break;
	}
	}
	// Maybe your card expired years ago? Add the card's year
	// to the spinner adapter if not found.
	if (!foundYear && !card.getYear().isEmpty()) {
	@SuppressWarnings("unchecked")
	ArrayAdapter<CharSequence> adapter =
	(ArrayAdapter<CharSequence>) mExpirationYear.getAdapter();
	adapter.insert(card.getYear(), 0);
	mInitialExpirationYearPos = 0;
	}
	mExpirationYear.setSelection(mInitialExpirationYearPos);
	}

	// Read edited data; save in the associated Chrome profile.
	// Ignore empty fields.
	private void saveCreditCard() {
	// Remove all spaces in editText.
	String cardNumber = mNumberText.getText().toString().replaceAll("\\s+", "");
	CreditCard card = new CreditCard(mGUID, AutofillPreferences.SETTINGS_ORIGIN,
	true /* isLocal /, false / isCached */, mNameText.getText().toString().trim(),
	cardNumber, "" /* obfuscatedNumber */,
	String.valueOf(mExpirationMonth.getSelectedItemPosition() + 1),
	(String) mExpirationYear.getSelectedItem(), "" /* basicCardPaymentType */,
	0 /* issuerIconDrawableId */);

	PersonalDataManager.getInstance().setCreditCard(card);
	}

	private void deleteCreditCard() {
	if (mGUID != null) {
	PersonalDataManager.getInstance().deleteCreditCard(mGUID);
	}
	}

	private void initializeSaveCancelDeleteButtons(View v) {
	Button button = (Button) v.findViewById(R.id.autofill_credit_card_delete);
	if ((mGUID == null) \|\| (mGUID.compareTo("") == 0)) {
	// If this is a create, disable the delete button.
	button.setEnabled(false);
	} else {
	button.setOnClickListener(new View.OnClickListener() {
	@Override
	public void onClick(View v) {
	AutofillCreditCardEditor.this.deleteCreditCard();
	getActivity().finish();
	}
	});
	}
	button = (Button) v.findViewById(R.id.autofill_credit_card_cancel);
	button.setOnClickListener(new View.OnClickListener() {
	@Override
	public void onClick(View v) {
	getActivity().finish();
	}
	});
	button = (Button) v.findViewById(R.id.autofill_credit_card_save);
	button.setOnClickListener(new View.OnClickListener() {
	@Override
	public void onClick(View v) {
	AutofillCreditCardEditor.this.saveCreditCard();
	getActivity().finish();
	}
	});

	button.setEnabled(false);

	// 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);
	}

	private void updateSaveButtonEnabled() {
	boolean enabled = !TextUtils.isEmpty(mNameText.getText())
	\|\| !TextUtils.isEmpty(mNumberText.getText());
	Button button = (Button) getView().findViewById(R.id.autofill_credit_card_save);
	button.setEnabled(enabled);
	}

	/**
	* Watch a TextView and if a credit card number is entered, it will format the number.
	* Disable formatting when user:
	* 1. Inputs dashes or spaces.
	* 2. Removes separators in the middle of the string
	* 3. Enters a number longer than 16 digits.
	*
	* Formatting will be re-enabled once text is cleared.
	*/
	private static class CreditCardNumberFormattingTextWatcher implements TextWatcher {
	/** Character for card number section separator. */
	private static final String SEPARATOR = " ";

	/**
	* Whether to format the credit card number. If true, spaces will be inserted
	* automatically between each group of 4 digits in the credit card number as the user types.
	* This is set to false if the user types a dash or deletes one of the auto-inserted spaces.
	*/
	private boolean mFormattingEnabled = true;

	/**
	* Whether the change was caused by ourselves.
	* This is set true when we are manipulating the text of EditText,
	* and all callback functions should check this boolean to avoid infinite recursion.
	*/
	private boolean mSelfChange = false;

	@Override
	public void onTextChanged(CharSequence s, int start, int before, int count) {
	if (mSelfChange \|\| !mFormattingEnabled) return;
	// If user enters non-digit characters, do not format.
	if (count > 0 && hasDashOrSpace(s, start, count)) {
	mFormattingEnabled = false;
	}
	}

	@Override
	public void beforeTextChanged(CharSequence s, int start, int count, int after) {
	if (mSelfChange \|\| !mFormattingEnabled) return;
	// If user deletes non-digit characters, do not format.
	if (count > 0 && hasDashOrSpace(s, start, count)) {
	mFormattingEnabled = false;
	}
	}

	@Override
	public void afterTextChanged(Editable s) {
	if (mSelfChange) return;
	mSelfChange = true;

	if (mFormattingEnabled) {
	removeSeparators(s);
	// If number is too long, do not format it and remove all
	// previous separators.
	if (s.length() > 16) {
	mFormattingEnabled = false;
	} else {
	insertSeparators(s);
	}
	}
	// If user clears the input, re-enable formatting
	if (s.length() == 0) mFormattingEnabled = true;

	mSelfChange = false;
	}

	public static void removeSeparators(Editable s) {
	int index = TextUtils.indexOf(s, SEPARATOR);
	while (index >= 0) {
	s.delete(index, index + 1);
	index = TextUtils.indexOf(s, SEPARATOR, index + 1);
	}
	}

	public static void insertSeparators(Editable s) {
	final int[] positions = {4, 9, 14 };
	for (int i : positions) {
	if (s.length() > i) {
	s.insert(i, SEPARATOR);
	}
	}
	}

	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;
	}
	}
	}