Download web payment manifests.

components/payments/content/android/payment_manifest_parser_android.h

+// 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.
+
+#ifndef COMPONENTS_PAYMENTS_CONTENT_ANDROID_PAYMENT_MANIFEST_PARSER_ANDROID_H_
+#define COMPONENTS_PAYMENTS_CONTENT_ANDROID_PAYMENT_MANIFEST_PARSER_ANDROID_H_
+
+#include <jni.h>
+
+#include <memory>
+#include <vector>
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/macros.h"
+#include "components/payments/content/android/payment_manifest_parser.mojom.h"
+
+namespace content {
+template <class MojoInterface>
+class UtilityProcessMojoClient;
+}
+
+namespace payments {
+
+// Host of the utility process that parses manifest contents.
+class PaymentManifestParserAndroid {
+ public:
+  PaymentManifestParserAndroid();
+  ~PaymentManifestParserAndroid();
+
+  void StartUtilityProcess(JNIEnv* env,
+                           const base::android::JavaParamRef<jobject>& jcaller);
+
+  void ParsePaymentManifest(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& jcaller,
+      const base::android::JavaParamRef<jstring>& jcontent,
+      const base::android::JavaParamRef<jobject>& jcallback);
+
+  // Deletes this object.
+  void StopUtilityProcess(JNIEnv* env,
+                          const base::android::JavaParamRef<jobject>& jcaller);
+
+ private:
+  class ParseCallback;
+
+  // The |callback_identifier| parameter is a pointer to one of the owned
+  // elements in the |pending_callbacks_| list.
+  void OnParse(ParseCallback* callback_identifier,
+               std::vector<mojom::PaymentManifestSectionPtr> manifest);
+
+  void OnUtilityProcessStopped();
+
+  std::unique_ptr<
+      content::UtilityProcessMojoClient<mojom::PaymentManifestParser>>
+      mojo_client_;
+  std::vector<std::unique_ptr<ParseCallback>> pending_callbacks_;
+
+  DISALLOW_COPY_AND_ASSIGN(PaymentManifestParserAndroid);
+};
+
+bool RegisterPaymentManifestParser(JNIEnv* env);
+
+}  // namespace payments
+
+#endif  // COMPONENTS_PAYMENTS_CONTENT_ANDROID_PAYMENT_MANIFEST_PARSER_ANDROID_H_