Prompt for unmasking Wallet credit card on Android

ui/android/java/src/org/chromium/ui/autofill/CardUnmaskPrompt.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.ui.autofill;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.EditText;
+
+import org.chromium.ui.R;
+
+/**
+ * A prompt that bugs users to enter their CVC when unmasking a Wallet instrument (credit card).
+ */
+public class CardUnmaskPrompt implements DialogInterface.OnClickListener,
+        DialogInterface.OnDismissListener {
+    private CardUnmaskPromptDelegate mDelegate;
+    private int mClickedButton;
+    private AlertDialog mDialog;
+
+    /**
+     * An interface to handle the interaction with an CardUnmaskPrompt object.
+     */
+    public interface CardUnmaskPromptDelegate {
+        /**
+         * Called when the dialog has been dismissed.
+         * @param userResponse The value the user entered (a CVC), or an empty string if the
+         *        user canceled.
+         */
+        void dismissed(String userResponse);
+    }
+
+    public CardUnmaskPrompt(Context context, CardUnmaskPromptDelegate delegate) {
+        mDelegate = delegate;
+        mClickedButton = DialogInterface.BUTTON_NEGATIVE;
+
+        LayoutInflater inflater = LayoutInflater.from(context);
+        View v = inflater.inflate(R.layout.autofill_card_unmask_prompt, null);
+
+        mDialog = new AlertDialog.Builder(context)
+                .setTitle("Unlocking Visa - 1111")
+                .setView(v)
+                .setNegativeButton("Back", this)
+                .setPositiveButton("Rock on", this)
+                .setOnDismissListener(this).create();
+    }
+
+    public void show() {
+        mDialog.show();
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which) {
+        mClickedButton = which;
+    }
+
+    @Override
+    public void onDismiss(DialogInterface dialog) {
+        if (mClickedButton == DialogInterface.BUTTON_POSITIVE) {
+            String response = ((EditText) mDialog.findViewById(R.id.card_unmask_input))
+                    .getText().toString();
+            mDelegate.dismissed(response);
+        } else {
+            mDelegate.dismissed("");
+        }
+    }
+}