[Payments] Allow users enable and disable Android payment apps in payment request

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

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AndroidPaymentAppsFragment.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AndroidPaymentAppsFragment.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AndroidPaymentAppsFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..d02492bf7241302d758f0564670ea618ed1ddc50
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AndroidPaymentAppsFragment.java
@@ -0,0 +1,62 @@
+// Copyright 2017 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.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.preference.PreferenceFragment;
+import android.util.Pair;
+
+import org.chromium.chrome.R;
+import org.chromium.chrome.browser.payments.AndroidPaymentAppFactory;
+import org.chromium.chrome.browser.payments.PaymentPreferencesUtil;
+import org.chromium.chrome.browser.preferences.TextMessagePreference;
+
+import java.util.Map;
+
+/**
+ * Preference fragment to allow users to control use of the Android payment apps on device.
+ */
+public class AndroidPaymentAppsFragment extends PreferenceFragment {
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.autofill_and_payments_preference_fragment_screen);
+        getActivity().setTitle(R.string.payment_apps_title);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        rebuildPaymentAppsList();
+    }
+
+    private void rebuildPaymentAppsList() {
+        getPreferenceScreen().removeAll();
+        getPreferenceScreen().setOrderingAsAdded(true);
+
+        Map<String, Pair<String, Drawable>> appsInfo =
+                AndroidPaymentAppFactory.getAndroidPaymentAppsInfo();
+        if (appsInfo.isEmpty()) return;
+
+        AndroidPaymentAppPreference pref = null;
+        for (Map.Entry<String, Pair<String, Drawable>> app : appsInfo.entrySet()) {
+            pref = new AndroidPaymentAppPreference(getActivity());
+            pref.setTitle(app.getValue().first);
+            pref.setIcon(app.getValue().second);
+            pref.setDefaultValue(true);
+            pref.setKey(
+                    PaymentPreferencesUtil.getAndroidPaymentAppEnabledPreferenceKey(app.getKey()));
+            getPreferenceScreen().addPreference(pref);
+        }
+        // Add a divider line at the bottom of the last preference to separate it from below
+        // TextMessagePreference.
+        if (pref != null) pref.setDrawDivider(true);
+
+        TextMessagePreference textPreference = new TextMessagePreference(getActivity(), null);
+        textPreference.setTitle(getActivity().getString(R.string.payment_apps_control_message));
+        getPreferenceScreen().addPreference(textPreference);
+    }
+}