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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_SUGGEST_INTERNALS_SUGGEST_INTERNALS_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_SUGGEST_INTERNALS_SUGGEST_INTERNALS_HANDLER_H_
#include <optional>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "base/time/time.h"
#include "chrome/browser/ui/webui/suggest_internals/suggest_internals.mojom.h"
#include "components/omnibox/browser/remote_suggestions_service.h"
#include "components/search_engines/template_url.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
class Profile;
namespace content {
class WebContents;
class WebUIDataSource;
} // namespace content
// Handles communication between the browser and chrome://suggest-internals.
class SuggestInternalsHandler : public suggest_internals::mojom::PageHandler,
public RemoteSuggestionsService::Observer,
public RemoteSuggestionsService::Delegate {
public:
static void SetupWebUIDataSource(content::WebUIDataSource* source,
Profile* profile);
SuggestInternalsHandler(
mojo::PendingReceiver<suggest_internals::mojom::PageHandler>
pending_page_handler,
Profile* profile,
content::WebContents* web_contents);
SuggestInternalsHandler(const SuggestInternalsHandler&) = delete;
SuggestInternalsHandler& operator=(const SuggestInternalsHandler&) = delete;
~SuggestInternalsHandler() override;
// suggest_internals::mojom::PageHandler:
void SetPage(mojo::PendingRemote<suggest_internals::mojom::Page> pending_page)
override;
void HardcodeResponse(const std::string& response,
base::TimeDelta delay,
HardcodeResponseCallback callback) override;
// RemoteSuggestionsService::Observer:
void OnRequestCreated(const base::UnguessableToken& request_id,
const network::ResourceRequest* request) override;
void OnRequestStarted(const base::UnguessableToken& request_id,
network::SimpleURLLoader* loader,
const std::string& request_body) override;
void OnRequestCompleted(
const base::UnguessableToken& request_id,
const int response_code,
const std::unique_ptr<std::string>& response_body) override;
// RemoteSuggestionsService::Delegate:
void OnRequestCompleted(const network::SimpleURLLoader* source,
const int response_code,
std::unique_ptr<std::string> response_body,
RemoteSuggestionsService::CompletionCallback
completion_callback) override;
void OnIndexedRequestCompleted(
const int request_index,
const network::SimpleURLLoader* source,
const int response_code,
std::unique_ptr<std::string> response_body,
RemoteSuggestionsService::IndexedCompletionCallback completion_callback)
override;
private:
raw_ptr<Profile> profile_;
raw_ptr<content::WebContents> web_contents_;
base::ScopedObservation<RemoteSuggestionsService,
RemoteSuggestionsService::Observer>
remote_suggestions_service_observation_{this};
// Used to override the response after a delay for all requests.
std::optional<std::pair<std::string, base::TimeDelta>>
hardcoded_response_and_delay_;
mojo::Remote<suggest_internals::mojom::Page> page_;
mojo::Receiver<suggest_internals::mojom::PageHandler> page_handler_;
};
#endif // CHROME_BROWSER_UI_WEBUI_SUGGEST_INTERNALS_SUGGEST_INTERNALS_HANDLER_H_
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