[Payments] Cache payment manifests.

chrome/browser/payments/android/payment_manifest_web_data_service_android.cc

+// 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.
+
+#include "chrome/browser/payments/android/payment_manifest_web_data_service_android.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_array.h"
+#include "base/android/jni_string.h"
+#include "base/logging.h"
+#include "base/memory/ptr_util.h"
+#include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/web_data_service_factory.h"
+#include "components/keyed_service/core/service_access_type.h"
+#include "jni/PaymentManifestWebDataService_jni.h"
+
+namespace payments {

[please use gerrit instead, 2017/04/24 18:22:31]

Add an empty line after the namespace start.

[gogerald1, 2017/04/26 13:46:32]

Done.

+// static
+bool PaymentManifestWebDataServiceAndroid::Register(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+PaymentManifestWebDataServiceAndroid::PaymentManifestWebDataServiceAndroid(
+    JNIEnv* env,
+    jobject obj)
+    : weak_java_obj_(env, obj) {}
+
+void PaymentManifestWebDataServiceAndroid::OnWebDataServiceRequestDone(
+    WebDataServiceBase::Handle h,
+    std::unique_ptr<WDTypedResult> result) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  if (weak_java_obj_.get(env).is_null())
+    return;
+
+  if (web_data_service_requests_.find(h) == web_data_service_requests_.end())
+    return;
+
+  switch (result->GetType()) {
+    case PAYMENT_WEB_APP_MANIFEST:

[please use gerrit instead, 2017/04/24 18:22:32]

Question: Where is this defined?

[gogerald1, 2017/04/26 13:46:32]

web_data_results.h

[please use gerrit instead, 2017/04/26 15:00:43]

Include it?

[gogerald1, 2017/04/26 17:30:30]

Done.

+      OnWebAppManifestRequestDone(env, h, result.get());
+      break;
+    case PAYMENT_METHOD_MANIFEST:
+      OnPaymentMethodManifestRequestDone(env, h, result.get());
+      break;
+    default:
+      NOTREACHED() << "unsupported data type";
+  }
+}
+
+void PaymentManifestWebDataServiceAndroid::OnWebAppManifestRequestDone(
+    JNIEnv* env,
+    WebDataServiceBase::Handle h,
+    WDTypedResult* result) {
+  const std::vector<mojom::WebAppManifestSectionPtr>* manifest = &(
+      static_cast<
+          const WDResult<std::vector<mojom::WebAppManifestSectionPtr>>*>(result)
+          ->GetValue());

[please use gerrit instead, 2017/04/24 18:22:31]

Ouch, this is confusing. Please separate this into several statements.

[gogerald1, 2017/04/26 13:46:32]

Done.

+
+  base::android::ScopedJavaLocalRef<jobjectArray> jmanifest =
+      Java_PaymentManifestWebDataService_createManifest(env, manifest->size());
+
+  for (size_t i = 0; i < manifest->size(); ++i) {
+    const mojom::WebAppManifestSectionPtr& section = (*manifest)[i];

[please use gerrit instead, 2017/04/24 18:22:32]

manifest->get(i) is less ugly, IMHO.

[gogerald1, 2017/04/26 13:46:32]

Done.

+    DCHECK_GE(100U, section->fingerprints.size());
+
+    Java_PaymentManifestWebDataService_addSectionToManifest(
+        env, jmanifest.obj(), base::checked_cast<int>(i),

[please use gerrit instead, 2017/04/24 18:22:31]

#include "base/numerics/safe_conversions.h"

[gogerald1, 2017/04/26 13:46:32]

Done.

+        base::android::ConvertUTF8ToJavaString(env, section->id),
+        section->min_version,
+        base::checked_cast<int>(section->fingerprints.size()));
+
+    for (size_t j = 0; j < section->fingerprints.size(); ++j) {
+      const std::vector<uint8_t>& fingerprint = section->fingerprints[j];
+      Java_PaymentManifestWebDataService_addFingerprintToSection(
+          env, jmanifest.obj(), base::checked_cast<int>(i),
+          base::checked_cast<int>(j),
+          base::android::ToJavaByteArray(env, fingerprint));
+    }
+  }
+
+  Java_PaymentManifestWebDataServiceCallback_onPaymentWebAppManifestFetched(
+      env, web_data_service_requests_[h]->obj(), jmanifest.obj());
+  web_data_service_requests_.erase(h);
+}
+
+void PaymentManifestWebDataServiceAndroid::OnPaymentMethodManifestRequestDone(
+    JNIEnv* env,
+    WebDataServiceBase::Handle h,
+    WDTypedResult* result) {
+  const std::vector<std::string>* web_apps_ids =

[please use gerrit instead, 2017/04/24 18:22:32]

#include <string>

[gogerald1, 2017/04/26 13:46:32]

Done.

+      &(static_cast<const WDResult<std::vector<std::string>>*>(result)
+            ->GetValue());

[please use gerrit instead, 2017/04/24 18:22:32]

Confusing. Please separate into several statements.

[gogerald1, 2017/04/26 13:46:32]

Done.

+
+  Java_PaymentManifestWebDataServiceCallback_onPaymentMethodManifestFetched(
+      env, web_data_service_requests_[h]->obj(),
+      base::android::ToJavaArrayOfStrings(env, *web_apps_ids));
+  web_data_service_requests_.erase(h);
+}
+
+bool PaymentManifestWebDataServiceAndroid::GetPaymentMethodManifest(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& unused_obj,
+    const base::android::JavaParamRef<jstring>& jmethod_name,
+    const base::android::JavaParamRef<jobject>& jcallback) {
+  scoped_refptr<payments::PaymentManifestWebDataService> web_data_service =
+      WebDataServiceFactory::GetPaymentManifestWebDataForProfile(
+          ProfileManager::GetActiveUserProfile(),
+          ServiceAccessType::EXPLICIT_ACCESS);
+  if (web_data_service == nullptr)
+    return false;
+
+  WebDataServiceBase::Handle handle =
+      web_data_service->GetPaymentMethodManifest(
+          base::android::ConvertJavaStringToUTF8(env, jmethod_name), this);
+  web_data_service_requests_[handle] =
+      base::MakeUnique<base::android::ScopedJavaGlobalRef<jobject>>(jcallback);
+
+  return true;
+}
+
+void PaymentManifestWebDataServiceAndroid::AddPaymentMethodManifest(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& unused_obj,
+    const base::android::JavaParamRef<jstring>& jmethod_name,
+    const base::android::JavaParamRef<jobjectArray>& jweb_apps_ids) {
+  std::vector<std::string> web_apps_ids;
+  base::android::AppendJavaStringArrayToStringVector(env, jweb_apps_ids,
+                                                     &web_apps_ids);
+
+  scoped_refptr<payments::PaymentManifestWebDataService> web_data_service =
+      WebDataServiceFactory::GetPaymentManifestWebDataForProfile(
+          ProfileManager::GetActiveUserProfile(),
+          ServiceAccessType::EXPLICIT_ACCESS);
+  if (web_data_service == nullptr)
+    return;
+
+  web_data_service->AddPaymentMethodManifest(
+      base::android::ConvertJavaStringToUTF8(jmethod_name), web_apps_ids);
+}
+
+bool PaymentManifestWebDataServiceAndroid::GetPaymentWebAppManifest(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& unused_obj,
+    const base::android::JavaParamRef<jstring>& jweb_app_id,
+    const base::android::JavaParamRef<jobject>& jcallback) {
+  scoped_refptr<payments::PaymentManifestWebDataService> web_data_service =
+      WebDataServiceFactory::GetPaymentManifestWebDataForProfile(
+          ProfileManager::GetActiveUserProfile(),
+          ServiceAccessType::EXPLICIT_ACCESS);
+  if (web_data_service == nullptr)
+    return false;
+
+  WebDataServiceBase::Handle handle =
+      web_data_service->GetPaymentWebAppManifest(
+          base::android::ConvertJavaStringToUTF8(env, jweb_app_id), this);
+  web_data_service_requests_[handle] =
+      base::MakeUnique<base::android::ScopedJavaGlobalRef<jobject>>(jcallback);
+
+  return true;
+}
+
+void PaymentManifestWebDataServiceAndroid::AddPaymentWebAppManifest(
+    const std::vector<mojom::WebAppManifestSectionPtr>& manifest) {
+  scoped_refptr<payments::PaymentManifestWebDataService> web_data_service =
+      WebDataServiceFactory::GetPaymentManifestWebDataForProfile(
+          ProfileManager::GetActiveUserProfile(),
+          ServiceAccessType::EXPLICIT_ACCESS);
+  if (web_data_service != nullptr)
+    web_data_service->AddPaymentWebAppManifest(manifest);
+}
+
+static jlong Init(JNIEnv* env,
+                  const base::android::JavaParamRef<jobject>& obj) {
+  PaymentManifestWebDataServiceAndroid* manifest_web_data_service_android =
+      new PaymentManifestWebDataServiceAndroid(env, obj);
+  return reinterpret_cast<intptr_t>(manifest_web_data_service_android);
+}
+
+}  // namespace payments