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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_PRELOADING_SPECULATION_RULES_SPECULATION_HOST_IMPL_H_
#define CONTENT_BROWSER_PRELOADING_SPECULATION_RULES_SPECULATION_HOST_IMPL_H_
#include <vector>
#include "content/public/browser/document_service.h"
#include "third_party/blink/public/mojom/speculation_rules/speculation_rules.mojom.h"
namespace content {
class RenderFrameHost;
// Receiver for speculation rules from the web platform. See
// third_party/blink/renderer/core/speculation_rules/README.md
class CONTENT_EXPORT SpeculationHostImpl final
: public DocumentService<blink::mojom::SpeculationHost> {
public:
// Creates and binds an instance of this per-frame.
static void Bind(
RenderFrameHost* frame_host,
mojo::PendingReceiver<blink::mojom::SpeculationHost> receiver);
SpeculationHostImpl(const SpeculationHostImpl&) = delete;
SpeculationHostImpl& operator=(const SpeculationHostImpl&) = delete;
SpeculationHostImpl(SpeculationHostImpl&&) = delete;
SpeculationHostImpl& operator=(SpeculationHostImpl&&) = delete;
private:
SpeculationHostImpl(
RenderFrameHost& frame_host,
mojo::PendingReceiver<blink::mojom::SpeculationHost> receiver);
~SpeculationHostImpl() override;
void UpdateSpeculationCandidates(
std::vector<blink::mojom::SpeculationCandidatePtr> candidates) override;
void OnLCPPredicted() override;
void InitiatePreview(const GURL& url) override;
};
} // namespace content
#endif // CONTENT_BROWSER_PRELOADING_SPECULATION_RULES_SPECULATION_HOST_IMPL_H_
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