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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_ASH_INPUT_METHOD_ASSISTIVE_WINDOW_CONTROLLER_H_
#define CHROME_BROWSER_ASH_INPUT_METHOD_ASSISTIVE_WINDOW_CONTROLLER_H_
#include <memory>
#include <optional>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/timer/timer.h"
#include "chrome/browser/ash/input_method/assistive_window_properties.h"
#include "chrome/browser/ui/ash/input_method/announcement_view.h"
#include "chrome/browser/ui/ash/input_method/assistive_delegate.h"
#include "chrome/browser/ui/ash/input_method/grammar_suggestion_window.h"
#include "chrome/browser/ui/ash/input_method/suggestion_window_view.h"
#include "chrome/browser/ui/ash/input_method/undo_window.h"
#include "chromeos/ash/services/ime/public/cpp/assistive_suggestions.h"
#include "ui/base/ime/ash/ime_assistive_window_handler_interface.h"
class Profile;
namespace views {
class Widget;
} // namespace views
namespace ash {
namespace input_method {
class AssistiveWindowControllerDelegate;
// AssistiveWindowController controls different assistive windows.
class AssistiveWindowController : public views::WidgetObserver,
public IMEAssistiveWindowHandlerInterface,
public ui::ime::AssistiveDelegate {
public:
explicit AssistiveWindowController(
AssistiveWindowControllerDelegate* delegate,
Profile* profile,
ui::ime::AnnouncementView* announcement_view = nullptr);
AssistiveWindowController(const AssistiveWindowController&) = delete;
AssistiveWindowController& operator=(const AssistiveWindowController&) =
delete;
~AssistiveWindowController() override;
ui::ime::SuggestionWindowView* GetSuggestionWindowViewForTesting();
ui::ime::UndoWindow* GetUndoWindowForTesting() const;
// IMEAssistiveWindowHandlerInterface implementation.
void SetBounds(const Bounds& bounds) override;
void SetAssistiveWindowProperties(
const AssistiveWindowProperties& window) override;
void ShowSuggestion(const ui::ime::SuggestionDetails& details) override;
void SetButtonHighlighted(const ui::ime::AssistiveWindowButton& button,
bool highlighted) override;
void AcceptSuggestion(const std::u16string& suggestion) override;
void HideSuggestion() override;
std::u16string GetSuggestionText() const override;
size_t GetConfirmedLength() const override;
void FocusStateChanged() override;
void OnWidgetDestroying(views::Widget* widget) override;
void Announce(const std::u16string& message) override;
// ui::ime::AssistiveDelegate implementation.
void AssistiveWindowButtonClicked(
const ui::ime::AssistiveWindowButton& button) const override;
void AssistiveWindowChanged(
const ash::ime::AssistiveWindow& window) const override;
private:
ui::ime::SuggestionWindowView::Orientation WindowOrientationFor(
ash::ime::AssistiveWindowType window_type);
void InitSuggestionWindow(
ui::ime::SuggestionWindowView::Orientation orientation);
void InitUndoWindow();
void InitGrammarSuggestionWindow();
void InitAnnouncementView();
void DisplayCompletionSuggestion(const ui::ime::SuggestionDetails& details);
void ClearPendingSuggestionTimer();
raw_ptr<const AssistiveWindowControllerDelegate> delegate_;
AssistiveWindowProperties window_;
raw_ptr<ui::ime::SuggestionWindowView> suggestion_window_view_ = nullptr;
raw_ptr<ui::ime::UndoWindow> undo_window_ = nullptr;
raw_ptr<ui::ime::GrammarSuggestionWindow> grammar_suggestion_window_ =
nullptr;
raw_ptr<ui::ime::AnnouncementView> announcement_view_ = nullptr;
std::u16string suggestion_text_;
size_t confirmed_length_ = 0;
Bounds bounds_;
std::unique_ptr<base::OneShotTimer> pending_suggestion_timer_;
base::WeakPtrFactory<AssistiveWindowController> weak_ptr_factory_{this};
};
} // namespace input_method
} // namespace ash
#endif // CHROME_BROWSER_ASH_INPUT_METHOD_ASSISTIVE_WINDOW_CONTROLLER_H_
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