PaymentRequest Mojo bindings.

third_party/WebKit/Source/platform/payments/PaymentRequestProxy.h

Index: third_party/WebKit/Source/platform/payments/PaymentRequestProxy.h
diff --git a/third_party/WebKit/Source/platform/payments/PaymentRequestProxy.h b/third_party/WebKit/Source/platform/payments/PaymentRequestProxy.h
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+// Copyright 2016 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 PaymentRequestProxy_h
+#define PaymentRequestProxy_h
+
+#include "components/payments/payment_request.mojom.h"
+#include "platform/PlatformExport.h"
+#include "wtf/Noncopyable.h"
+#include "wtf/Vector.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+struct PlatformPaymentDetails;
+struct PlatformPaymentOptions;
+struct PlatformPaymentResponse;
+struct PlatformShippingAddress;
+
+// This class connects a PaymentRequestProxy::Listener to the PaymentRequest
+// Mojo service. Note that currently the access to the Mojo service is limited
+// in platform/. In future, we'll let classes in core/ and modules/ directly
+// communicate with Mojo, and then, there will be no need to use this proxy
+// class.
+//
+// TODO(rouslan): Remove this directory once modules/ can use Mojo.
+class PLATFORM_EXPORT PaymentRequestProxy
+    : public payments::mojom::PaymentRequestClient {
+    WTF_MAKE_NONCOPYABLE(PaymentRequestProxy);
+
+public:
+    class Listener {
+    public:
+        virtual ~Listener() = default;
+
+        virtual void onShippingAddressChange(const PlatformShippingAddress&) = 0;
+        virtual void onShippingOptionChange(const String& shippingOptionId) = 0;
+        virtual void onPaymentResponse(const PlatformPaymentResponse&) = 0;
+        virtual void onError() = 0;
+        virtual void onComplete() = 0;
+    };
+
+    explicit PaymentRequestProxy(Listener*);
+    ~PaymentRequestProxy() override;
+
+    void show(const Vector<String>& supportedMethods,
+        const PlatformPaymentDetails&,
+        const PlatformPaymentOptions&,
+        const String& stringifiedData);
+    void abort();
+    void complete(bool success);
+
+private:
+    // payments::mojom::PaymentRequestClient
+    void OnShippingAddressChange(payments::mojom::ShippingAddressPtr) override;
+    void OnShippingOptionChange(const mojo::String& shippingOptionId) override;
+    void OnPaymentResponse(payments::mojom::PaymentResponsePtr) override;
+    void OnError() override;
+    void OnComplete() override;
+
+    payments::mojom::PaymentRequestPtr m_provider;
+    Listener* m_listener;
+};
+
+} // namespace blink
+
+#endif // PaymentRequestProxy_h