Download web payment manifests.

chrome/android/java/src/org/chromium/chrome/browser/payments/AndroidPaymentAppFactory.java

 // 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.payments;
 
-import android.content.Context;
 import android.content.Intent;
-import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.graphics.drawable.Drawable;
-import android.net.Uri;
+import android.text.TextUtils;
 import android.util.Pair;
 
-import org.chromium.base.ContextUtils;
-import org.chromium.chrome.browser.ChromeActivity;
 import org.chromium.chrome.browser.ChromeFeatureList;
-import org.chromium.chrome.browser.UrlConstants;
 import org.chromium.chrome.browser.payments.PaymentAppFactory.PaymentAppCreatedCallback;
 import org.chromium.chrome.browser.payments.PaymentAppFactory.PaymentAppFactoryAddition;
+import org.chromium.components.payments.PaymentManifestDownloader;
+import org.chromium.components.payments.PaymentManifestParser;
 import org.chromium.content_public.browser.WebContents;
 
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
 /** Builds instances of payment apps based on installed third party Android payment apps. */
 public class AndroidPaymentAppFactory implements PaymentAppFactoryAddition {
-    private static final String ACTION_IS_READY_TO_PAY =
-            "org.chromium.intent.action.IS_READY_TO_PAY";
-
-    /** The action name for the Pay Basic-card Intent. */
-    private static final String ACTION_PAY_BASIC_CARD = "org.chromium.intent.action.PAY_BASIC_CARD";
-
-    /**
-     * The basic-card payment method name used by merchant and defined by W3C:
-     * https://w3c.github.io/webpayments-methods-card/#method-id
-     */
-    private static final String BASIC_CARD_PAYMENT_METHOD = "basic-card";
-
     @Override
-    public void create(WebContents webContents, Set<String> methods,
-            PaymentAppCreatedCallback callback) {
-        Context context = ChromeActivity.fromWebContents(webContents);
-        if (context == null) {
-            callback.onAllPaymentAppsCreated();
-            return;
-        }
-
-        Map<String, AndroidPaymentApp> installedApps = new HashMap<>();
-        PackageManager pm = context.getPackageManager();
-        Intent payIntent = new Intent();
-
-        boolean paymentAppsFilterEnabled =
-                ChromeFeatureList.isEnabled(ChromeFeatureList.ANDROID_PAYMENT_APPS_FILTER);
-        Intent filterIntent = new Intent(AndroidPaymentApp.ACTION_PAY);
-
-        for (String methodName : methods) {
-            if (methodName.startsWith(UrlConstants.HTTPS_URL_PREFIX)) {
-                payIntent.setAction(AndroidPaymentApp.ACTION_PAY);
-                payIntent.setData(Uri.parse(methodName));
-            } else if (methodName.equals(BASIC_CARD_PAYMENT_METHOD)) {
-                payIntent.setAction(ACTION_PAY_BASIC_CARD);
-                payIntent.setData(null);
-            } else {
-                continue;
-            }
-
-            List<ResolveInfo> matches = pm.queryIntentActivities(payIntent, 0);
-            for (int i = 0; i < matches.size(); i++) {
-                ResolveInfo match = matches.get(i);
-                String packageName = match.activityInfo.packageName;
-                if (paymentAppsFilterEnabled) {
-                    filterIntent.setPackage(packageName);
-                    if (pm.resolveActivity(filterIntent, 0) == null) continue;
-                }
-                AndroidPaymentApp installedApp = installedApps.get(packageName);
-                if (installedApp == null) {
-                    CharSequence label = match.loadLabel(pm);
-                    installedApp =
-                            new AndroidPaymentApp(webContents, packageName, match.activityInfo.name,
-                                    label == null ? "" : label.toString(), match.loadIcon(pm));
-                    callback.onPaymentAppCreated(installedApp);
-                    installedApps.put(packageName, installedApp);
-                }
-                installedApp.addMethodName(methodName);
-            }
-        }
-
-        List<ResolveInfo> matches = pm.queryIntentServices(new Intent(ACTION_IS_READY_TO_PAY), 0);
-        for (int i = 0; i < matches.size(); i++) {
-            ResolveInfo match = matches.get(i);
-            String packageName = match.serviceInfo.packageName;
-            AndroidPaymentApp installedApp = installedApps.get(packageName);
-            if (installedApp != null) installedApp.setIsReadyToPayAction(match.serviceInfo.name);
-        }
-
-        callback.onAllPaymentAppsCreated();
+    public void create(
+            WebContents webContents, Set<String> methods, PaymentAppCreatedCallback callback) {
+        AndroidPaymentAppFinder.find(webContents, methods,
+                ChromeFeatureList.isEnabled(ChromeFeatureList.ANDROID_PAYMENT_APPS_FILTER),
+                new PaymentManifestDownloader(webContents), new PaymentManifestParser(),
+                new PackageManagerDelegate(), callback);
     }
 
     /**
      * Checks whether there are Android payment apps on device.
      *
      * @return True if there are Android payment apps on device.
      */
     public static boolean hasAndroidPaymentApps() {
-        PackageManager pm = ContextUtils.getApplicationContext().getPackageManager();
+        PackageManagerDelegate packageManagerDelegate = new PackageManagerDelegate();
         // Note that all Android payment apps must support org.chromium.intent.action.PAY action
         // without additional data to be detected.
         Intent payIntent = new Intent(AndroidPaymentApp.ACTION_PAY);
-        return !pm.queryIntentActivities(payIntent, 0).isEmpty();
+        return !packageManagerDelegate.getActivitiesThatCanRespondToIntent(payIntent).isEmpty();
     }
 
     /**
      * Gets Android payments apps' information on device.
      *
      * @return Map of Android payment apps' package names to their information. Each entry of the
      *         map represents an app and the value stores its name and icon.
      */
     public static Map<String, Pair<String, Drawable>> getAndroidPaymentAppsInfo() {
         Map<String, Pair<String, Drawable>> paymentAppsInfo = new HashMap<>();
 
-        PackageManager pm = ContextUtils.getApplicationContext().getPackageManager();
+        PackageManagerDelegate packageManagerDelegate = new PackageManagerDelegate();
         Intent payIntent = new Intent(AndroidPaymentApp.ACTION_PAY);
-        List<ResolveInfo> matches = pm.queryIntentActivities(payIntent, 0);
+        List<ResolveInfo> matches =
+                packageManagerDelegate.getActivitiesThatCanRespondToIntent(payIntent);
         if (matches.isEmpty()) return paymentAppsInfo;
 
         for (ResolveInfo match : matches) {
+            CharSequence label = packageManagerDelegate.getAppLabel(match);
+            if (TextUtils.isEmpty(label)) continue;
             Pair<String, Drawable> appInfo =
-                    new Pair<>(match.loadLabel(pm).toString(), match.loadIcon(pm));
+                    new Pair<>(label.toString(), packageManagerDelegate.getAppIcon(match));
             paymentAppsInfo.put(match.activityInfo.packageName, appInfo);
         }
 
         return paymentAppsInfo;
     }
 }