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// Copyright 2020 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_ASH_QUICK_ANSWERS_QUICK_ANSWERS_CONTROLLER_IMPL_H_
#define CHROME_BROWSER_UI_ASH_QUICK_ANSWERS_QUICK_ANSWERS_CONTROLLER_IMPL_H_
#include <memory>
#include <string>
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/raw_ref.h"
#include "base/time/time.h"
#include "chrome/browser/ui/ash/read_write_cards/read_write_card_controller.h"
#include "chrome/browser/ui/ash/read_write_cards/read_write_cards_ui_controller.h"
#include "chromeos/components/quick_answers/public/cpp/controller/quick_answers_controller.h"
#include "chromeos/components/quick_answers/public/cpp/quick_answers_state.h"
#include "chromeos/components/quick_answers/quick_answers_client.h"
#include "chromeos/components/quick_answers/quick_answers_model.h"
#include "ui/gfx/geometry/rect.h"
class ApplicationLocaleStorage;
class Profile;
class QuickAnswersUiController;
// Implementation of QuickAnswerController. It fetches quick answers
// result via QuickAnswersClient and manages quick answers UI.
class QuickAnswersControllerImpl : public chromeos::ReadWriteCardController,
public QuickAnswersController,
public quick_answers::QuickAnswersDelegate {
public:
using TimeTickNowFunction = base::RepeatingCallback<base::TimeTicks()>;
// `application_locale_storage` must not be null and must outlive `this`.
QuickAnswersControllerImpl(
ApplicationLocaleStorage* application_locale_storage,
chromeos::ReadWriteCardsUiController& read_write_cards_ui_controller);
// `application_locale_storage` must not be null and must outlive `this`.
QuickAnswersControllerImpl(
ApplicationLocaleStorage* application_locale_storage,
chromeos::ReadWriteCardsUiController& read_write_cards_ui_controller,
std::unique_ptr<QuickAnswersState> quick_answers_state);
QuickAnswersControllerImpl(const QuickAnswersControllerImpl&) = delete;
QuickAnswersControllerImpl& operator=(const QuickAnswersControllerImpl&) =
delete;
~QuickAnswersControllerImpl() override;
// chromeos::ReadWriteCardController:
void OnContextMenuShown(Profile* profile) override;
void OnTextAvailable(const gfx::Rect& anchor_bounds,
const std::string& selected_text,
const std::string& surrounding_text) override;
void OnAnchorBoundsChanged(const gfx::Rect& anchor_bounds) override;
void OnDismiss(bool is_other_command_executed) override;
// QuickAnswersController:
// SetClient is required to be called before using these methods.
// TODO(yanxiao): refactor to delegate to browser.
void SetClient(
std::unique_ptr<quick_answers::QuickAnswersClient> client) override;
quick_answers::QuickAnswersClient* GetClient() const override;
void DismissQuickAnswers(
quick_answers::QuickAnswersExitPoint exit_point) override;
quick_answers::QuickAnswersDelegate* GetQuickAnswersDelegate() override;
QuickAnswersVisibility GetQuickAnswersVisibility() const override;
void SetVisibility(QuickAnswersVisibility visibility) override;
// QuickAnswersDelegate:
void OnQuickAnswerReceived(std::unique_ptr<quick_answers::QuickAnswersSession>
quick_answers_session) override;
void OnNetworkError() override;
void OnRequestPreprocessFinished(
const quick_answers::QuickAnswersRequest& processed_request) override;
// Retry sending quick answers request to backend.
void OnRetryQuickAnswersRequest();
// User clicks on the quick answer result.
void OnQuickAnswersResultClick();
// Handle user consent result.
void OnUserConsentResult(bool consented);
void OverrideTimeTickNowForTesting(
TimeTickNowFunction time_tick_now_function);
QuickAnswersUiController* quick_answers_ui_controller() {
return quick_answers_ui_controller_.get();
}
// `quick_answers_session()` return non-nullptr if it has received a result,
// including `kNoResult`. `quick_answer()` return non-nullptr if it has
// received a result which is NOT `kNoResult`;
quick_answers::QuickAnswersSession* quick_answers_session() {
return quick_answers_session_.get();
}
quick_answers::QuickAnswer* quick_answer() {
return quick_answers_session_ ? quick_answers_session_->quick_answer.get()
: nullptr;
}
quick_answers::StructuredResult* structured_result() {
return quick_answers_session_
? quick_answers_session_->structured_result.get()
: nullptr;
}
chromeos::ReadWriteCardsUiController& read_write_cards_ui_controller() {
return read_write_cards_ui_controller_.get();
}
base::WeakPtr<QuickAnswersControllerImpl> GetWeakPtr();
const gfx::Rect& anchor_bounds() { return anchor_bounds_; }
private:
friend class QuickAnswersUiControllerTest;
void HandleQuickAnswerRequest(
const quick_answers::QuickAnswersRequest& request);
// Returns true if a consent view has shown by a call. Otherwise returns
// false.
bool MaybeShowUserConsent(quick_answers::IntentType intent_type,
const std::u16string& intent_text);
void OnUserConsent(ConsentResultType consent_result_type);
base::TimeTicks GetTimeTicksNow();
quick_answers::QuickAnswersRequest BuildRequest();
// Profile that initiated the current query.
raw_ptr<Profile> profile_ = nullptr;
// Bounds of the anchor view.
gfx::Rect anchor_bounds_;
// Query used to retrieve quick answer.
std::string query_;
// Title to be shown on the QuickAnswers view.
std::string title_;
// Context information, including surrounding text and device properties.
quick_answers::Context context_;
// Time that the context menu is shown.
base::TimeTicks menu_shown_time_;
// Time that the consent ui is shown.
base::TimeTicks consent_ui_shown_;
// A fake time tick now function for testing. This must be null in production.
TimeTickNowFunction time_tick_now_function_;
std::unique_ptr<quick_answers::QuickAnswersClient> quick_answers_client_;
std::unique_ptr<QuickAnswersState> quick_answers_state_;
// The last received `QuickAnswersSession` from client.
std::unique_ptr<quick_answers::QuickAnswersSession> quick_answers_session_;
const raw_ref<chromeos::ReadWriteCardsUiController>
read_write_cards_ui_controller_;
// `quick_answers_ui_controller_` depends on `read_write_cards_ui_controller_`
// via this controller. This has to be constructed-after and destructed-before
// `read_write_cards_ui_controller_`.
std::unique_ptr<QuickAnswersUiController> quick_answers_ui_controller_;
QuickAnswersVisibility visibility_ = QuickAnswersVisibility::kClosed;
// Use `std::unique_ptr` instead of `std::optional` as we can pass a class
// defined in an unnamed namespace.
std::unique_ptr<QuickAnswersStateObserver> perform_on_consent_accepted_;
base::WeakPtrFactory<QuickAnswersControllerImpl> weak_factory_{this};
};
#endif // CHROME_BROWSER_UI_ASH_QUICK_ANSWERS_QUICK_ANSWERS_CONTROLLER_IMPL_H_
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