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// Copyright 2024 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_SEARCHBOX_SEARCHBOX_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_SEARCHBOX_SEARCHBOX_HANDLER_H_
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "components/omnibox/browser/autocomplete_controller.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "ui/gfx/vector_icon_types.h"
#include "ui/webui/resources/cr_components/searchbox/searchbox.mojom.h"
class MetricsReporter;
class OmniboxController;
class Profile;
class OmniboxEditModel;
namespace content {
class WebContents;
class WebUIDataSource;
} // namespace content
// Base class for browser-side handlers that handle bi-directional communication
// with WebUI search boxes.
class SearchboxHandler : public searchbox::mojom::PageHandler,
public AutocompleteController::Observer {
public:
static void SetupWebUIDataSource(content::WebUIDataSource* source,
Profile* profile,
bool enable_voice_search = false,
bool enable_lens_search = false);
static std::string AutocompleteMatchVectorIconToResourceName(
const gfx::VectorIcon& icon);
static std::string ActionVectorIconToResourceName(
const gfx::VectorIcon& icon);
// Returns true if the page remote is bound and ready to receive calls.
bool IsRemoteBound() const;
// AutocompleteController::Observer:
void OnResultChanged(AutocompleteController* controller,
bool default_match_changed) override;
// searchbox::mojom::PageHandler:
void SetPage(
mojo::PendingRemote<searchbox::mojom::Page> pending_page) override;
void OnFocusChanged(bool focused) override;
void QueryAutocomplete(const std::u16string& input,
bool prevent_inline_autocomplete) override;
void StopAutocomplete(bool clear_result) override;
void OpenAutocompleteMatch(uint8_t line,
const GURL& url,
bool are_matches_showing,
uint8_t mouse_button,
bool alt_key,
bool ctrl_key,
bool meta_key,
bool shift_key) override;
void OnNavigationLikely(
uint8_t line,
const GURL& url,
omnibox::mojom::NavigationPredictor navigation_predictor) override;
protected:
FRIEND_TEST_ALL_PREFIXES(RealboxHandlerTest, AutocompleteController_Start);
FRIEND_TEST_ALL_PREFIXES(RealboxHandlerTest, RealboxUpdatesEditModelInput);
FRIEND_TEST_ALL_PREFIXES(LensSearchboxHandlerTest,
Lens_AutocompleteController_Start);
SearchboxHandler(
mojo::PendingReceiver<searchbox::mojom::PageHandler> pending_page_handler,
Profile* profile,
content::WebContents* web_contents,
MetricsReporter* metrics_reporter);
SearchboxHandler(const SearchboxHandler&) = delete;
SearchboxHandler& operator=(const SearchboxHandler&) = delete;
~SearchboxHandler() override;
OmniboxController* omnibox_controller() const;
AutocompleteController* autocomplete_controller() const;
OmniboxEditModel* edit_model() const;
const AutocompleteMatch* GetMatchWithUrl(size_t index, const GURL& url);
raw_ptr<Profile> profile_;
raw_ptr<content::WebContents> web_contents_;
raw_ptr<MetricsReporter> metrics_reporter_;
raw_ptr<OmniboxController> controller_;
std::unique_ptr<OmniboxController> owned_controller_;
base::ScopedObservation<AutocompleteController,
AutocompleteController::Observer>
autocomplete_controller_observation_{this};
// Since mojo::Remote is not thread-safe, use an atomic to signal readiness.
std::atomic<bool> page_set_;
mojo::Receiver<searchbox::mojom::PageHandler> page_handler_;
mojo::Remote<searchbox::mojom::Page> page_;
};
#endif // CHROME_BROWSER_UI_WEBUI_SEARCHBOX_SEARCHBOX_HANDLER_H_
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