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// Copyright 2018 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 SERVICES_CONTENT_SERVICE_DELEGATE_H_
#define SERVICES_CONTENT_SERVICE_DELEGATE_H_
#include "services/content/public/mojom/navigable_contents.mojom.h"
#include "services/content/public/mojom/navigable_contents_factory.mojom.h"
namespace content {
class NavigableContentsDelegate;
class Service;
// This is a delegate interface which allows the Content Service implementation
// to delegate out to private src/content code without a circular dependency
// between them.
//
// This interface is strictly intended to host transitional APIs for aiding in
// incremental conversion of src/content and its dependents into/onto the
// Content Service. As such, APIs should only be added here with a plan for
// eventual removal.
class ServiceDelegate {
public:
virtual ~ServiceDelegate() {}
// Called when an instance of Service (specifically one using this
// delegate) is about to be destroyed.
virtual void WillDestroyServiceInstance(Service* service) = 0;
// Constructs a new NavigableContentsDelegate implementation to back a new
// NavigableContentsImpl instance, servicing a client's NavigableContents.
// |client| is a NavigableContentsClient interface the implementation can use
// to communicate with the client of this contents.
virtual std::unique_ptr<NavigableContentsDelegate>
CreateNavigableContentsDelegate(const mojom::NavigableContentsParams& params,
mojom::NavigableContentsClient* client) = 0;
};
} // namespace content
#endif // SERVICES_CONTENT_CONTENT_SERVICE_DELEGATE_H_
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