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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_NO_STATE_PREFETCH_BROWSER_NO_STATE_PREFETCH_PROCESSOR_IMPL_H_
#define COMPONENTS_NO_STATE_PREFETCH_BROWSER_NO_STATE_PREFETCH_PROCESSOR_IMPL_H_
#include "components/no_state_prefetch/browser/no_state_prefetch_processor_impl_delegate.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "third_party/blink/public/mojom/prerender/prerender.mojom.h"
#include "url/origin.h"
namespace content {
class RenderFrameHost;
} // namespace content
namespace prerender {
// NoStatePrefetchProcessorImpl implements
// blink::mojom::NoStatePrefetchProcessor and works as the browser-side entry
// point of NoStatePrefetch for <link rel=prerender>. This is a self-owned
// object and deletes itself when the mojo connection is lost.
class NoStatePrefetchProcessorImpl
: public blink::mojom::NoStatePrefetchProcessor {
public:
NoStatePrefetchProcessorImpl(
int render_process_id,
int render_frame_id,
const url::Origin& initiator_origin,
mojo::PendingReceiver<blink::mojom::NoStatePrefetchProcessor> receiver,
std::unique_ptr<NoStatePrefetchProcessorImplDelegate> delegate);
~NoStatePrefetchProcessorImpl() override;
static void Create(
content::RenderFrameHost* frame_host,
mojo::PendingReceiver<blink::mojom::NoStatePrefetchProcessor> receiver,
std::unique_ptr<NoStatePrefetchProcessorImplDelegate> delegate);
// blink::mojom::NoStatePrefetchProcessor implementation
void Start(blink::mojom::PrerenderAttributesPtr attributes) override;
void Cancel() override;
private:
// Abandons prefetch and deletes `this`. Called from the mojo disconnect
// handler.
void Abandon();
NoStatePrefetchLinkManager* GetNoStatePrefetchLinkManager();
const int render_process_id_;
const int render_frame_id_;
const url::Origin initiator_origin_;
const std::unique_ptr<NoStatePrefetchProcessorImplDelegate> delegate_;
// The ID of NoStatePrefetchLinkManager::LinkTrigger. Used for canceling or
// abandoning prefetch.
std::optional<int> link_trigger_id_;
mojo::Receiver<blink::mojom::NoStatePrefetchProcessor> receiver_{this};
};
} // namespace prerender
#endif // COMPONENTS_NO_STATE_PREFETCH_BROWSER_NO_STATE_PREFETCH_PROCESSOR_IMPL_H_
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