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// 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_PAYMENT_REQUEST_WEB_CONTENTS_MANAGER_H_
#define COMPONENTS_PAYMENTS_PAYMENT_REQUEST_WEB_CONTENTS_MANAGER_H_
#include <memory>
#include <unordered_map>
#include "base/macros.h"
#include "components/payments/content/payment_request.mojom.h"
#include "content/public/browser/web_contents_user_data.h"
#include "mojo/public/cpp/bindings/binding.h"
namespace content {
class WebContents;
}
namespace payments {
class PaymentRequest;
class PaymentRequestDelegate;
// This class owns the PaymentRequest associated with a given WebContents.
//
// Responsible for creating PaymentRequest's and retaining ownership. No request
// pointers are currently available because the request manages its interactions
// with UI and renderer. The PaymentRequest may call DestroyRequest() to signal
// it is ready to die. Otherwise it gets destroyed when the WebContents (thus
// this class) goes away.
class PaymentRequestWebContentsManager
: public content::WebContentsUserData<PaymentRequestWebContentsManager> {
public:
~PaymentRequestWebContentsManager() override;
// Retrieves the instance of PaymentRequestWebContentsManager that was
// attached to the specified WebContents. If no instance was attached,
// creates one, and attaches it to the specified WebContents.
static PaymentRequestWebContentsManager* GetOrCreateForWebContents(
content::WebContents* web_contents);
// Creates the PaymentRequest that will interact with this |web_contents|.
void CreatePaymentRequest(
content::WebContents* web_contents,
std::unique_ptr<PaymentRequestDelegate> delegate,
mojo::InterfaceRequest<payments::mojom::PaymentRequest> request);
// Destroys the given |request|.
void DestroyRequest(PaymentRequest* request);
private:
explicit PaymentRequestWebContentsManager(content::WebContents* web_contents);
friend class content::WebContentsUserData<PaymentRequestWebContentsManager>;
friend class PaymentRequestInteractiveTestBase;
// Owns all the PaymentRequest for this WebContents. Since the
// PaymentRequestWebContentsManager's lifetime is tied to the WebContents,
// these requests only get destroyed when the WebContents goes away, or when
// the requests themselves call DestroyRequest().
std::unordered_map<PaymentRequest*, std::unique_ptr<PaymentRequest>>
payment_requests_;
DISALLOW_COPY_AND_ASSIGN(PaymentRequestWebContentsManager);
};
} // namespace payments
#endif // COMPONENTS_PAYMENTS_PAYMENT_REQUEST_WEB_CONTENTS_MANAGER_H_
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