chromium/chrome/browser/ui/webui/history_clusters/history_clusters_handler.h

// 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 CHROME_BROWSER_UI_WEBUI_HISTORY_CLUSTERS_HISTORY_CLUSTERS_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_HISTORY_CLUSTERS_HISTORY_CLUSTERS_HANDLER_H_

#include <memory>
#include <string>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/history/profile_based_browsing_history_driver.h"
#include "chrome/browser/ui/webui/top_chrome/top_chrome_web_ui_controller.h"
#include "components/history/core/browser/browsing_history_service.h"
#include "components/history/core/browser/history_types.h"
#include "components/history_clusters/core/history_clusters_service.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/abseil-cpp/absl/types/variant.h"
#include "ui/webui/resources/cr_components/history_clusters/history_clusters.mojom.h"

class BrowserWindowInterface;
class Profile;

namespace tabs {
class TabInterface;
}  // namespace tabs

namespace content {
class WebContents;
}  // namespace content

namespace history_clusters {

class QueryClustersState;

// Not in an anonymous namespace so that it can be tested.
// TODO(manukh) Try to setup a complete `HistoryClusterHandler` for testing so
//  that we can test the public method `QueryClusters` directly instead.
mojom::QueryResultPtr QueryClustersResultToMojom(
    Profile* profile,
    const std::string& query,
    const std::vector<history::Cluster> clusters_batch,
    bool can_load_more,
    bool is_continuation);

// Handles bidirectional communication between the history clusters page and the
// browser.
class HistoryClustersHandler : public mojom::PageHandler,
                               public HistoryClustersService::Observer,
                               public ProfileBasedBrowsingHistoryDriver { … };

}  // namespace history_clusters

#endif  // CHROME_BROWSER_UI_WEBUI_HISTORY_CLUSTERS_HISTORY_CLUSTERS_HANDLER_H_