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// Copyright 2013 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_OMNIBOX_BROWSER_OMNIBOX_CONTROLLER_H_
#define COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_CONTROLLER_H_
#include <memory>
#include "base/compiler_specific.h"
#include "components/omnibox/browser/autocomplete_controller.h"
#include "components/omnibox/browser/autocomplete_match.h"
#include "components/omnibox/browser/omnibox_edit_model.h"
#include "components/search_engines/template_url_starter_pack_data.h"
class OmniboxClient;
class OmniboxView;
// This class controls the various services that can modify the content of the
// omnibox, including `AutocompleteController` and `OmniboxEditModel`.
class OmniboxController : public AutocompleteController::Observer {
public:
OmniboxController(OmniboxView* view,
std::unique_ptr<OmniboxClient> client,
base::TimeDelta autocomplete_stop_timer_duration =
kAutocompleteDefaultStopTimerDuration);
~OmniboxController() override;
OmniboxController(const OmniboxController&) = delete;
OmniboxController& operator=(const OmniboxController&) = delete;
// The |current_url| field of input is only set for mobile ports.
void StartAutocomplete(const AutocompleteInput& input) const;
// Cancels any pending asynchronous query. If `clear_result` is true, will
// also erase the result set.
void StopAutocomplete(bool clear_result) const;
// Starts an autocomplete prefetch request so that zero-prefix providers can
// optionally start a prefetch request to warm up the their underlying
// service(s) and/or optionally cache their otherwise async response.
// Virtual for testing.
virtual void StartZeroSuggestPrefetch();
// AutocompleteController::Observer:
void OnResultChanged(AutocompleteController* controller,
bool default_match_changed) override;
OmniboxClient* client() { return client_.get(); }
OmniboxEditModel* edit_model() { return edit_model_.get(); }
void SetEditModelForTesting(std::unique_ptr<OmniboxEditModel> edit_model) {
edit_model_ = std::move(edit_model);
}
AutocompleteController* autocomplete_controller() {
return autocomplete_controller_.get();
}
const AutocompleteController* autocomplete_controller() const {
return autocomplete_controller_.get();
}
void SetAutocompleteControllerForTesting(
std::unique_ptr<AutocompleteController> autocomplete_controller) {
autocomplete_controller_ = std::move(autocomplete_controller);
}
// Turns off keyword mode for the current match.
void ClearPopupKeywordMode() const;
// Returns the header string associated with `suggestion_group_id`, or an
// empty string if `suggestion_group_id` is not found in the results.
std::u16string GetHeaderForSuggestionGroup(
omnibox::GroupId suggestion_group_id) const;
// Returns whether or not the row for a particular match should be hidden in
// the UI. This is currently used to hide suggestions in the 'Gemini' scope
// when the starter pack expansion feature is enabled.
bool IsSuggestionHidden(const AutocompleteMatch& match) const;
private:
// Stores the bitmap, using `icon_url` as the key in
// `edit_model_->icon_bitmaps_` if provided, or `result_index` in
// `edit_model_->rich_suggestion_bitmaps_` otherwise.
void SetRichSuggestionBitmap(int result_index,
const GURL& icon_url,
const SkBitmap& bitmap);
std::unique_ptr<OmniboxClient> client_;
std::unique_ptr<AutocompleteController> autocomplete_controller_;
// `edit_model_` may indirectly contains raw pointers (e.g.
// `edit_model_->current_match_->provider`) into `AutocompleteProvider`
// objects owned by `autocomplete_controller_`. Because of this (per
// docs/dangling_ptr_guide.md) the `edit_model_` field needs to be declared
// *after* the `autocomplete_controller_` field.
std::unique_ptr<OmniboxEditModel> edit_model_;
base::WeakPtrFactory<OmniboxController> weak_ptr_factory_{this};
};
#endif // COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_CONTROLLER_H_
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