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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_SYSTEM_IME_MENU_IME_MENU_TRAY_H_
#define ASH_SYSTEM_IME_MENU_IME_MENU_TRAY_H_
#include "ash/ash_export.h"
#include "ash/public/cpp/keyboard/keyboard_controller_observer.h"
#include "ash/system/ime/ime_observer.h"
#include "ash/system/tray/tray_background_view.h"
#include "ash/system/tray/tray_bubble_view.h"
#include "ash/system/tray/tray_bubble_wrapper.h"
#include "ash/system/virtual_keyboard/virtual_keyboard_observer.h"
#include "base/memory/raw_ptr.h"
#include "ui/base/ime/ash/ime_keyset.h"
#include "ui/base/metadata/metadata_header_macros.h"
namespace views {
class ImageView;
class Label;
} // namespace views
namespace ash {
class ImeControllerImpl;
class ImeListView;
// A button in the tray which displays the short name of the currently-activated
// IME (e.g., 'GB', 'US'). Clicking this button opens the opt-in IME menu,
// a standalone bubble displaying a list of available IMEs along with buttons
// for emoji, handwriting, and voice.
class ASH_EXPORT ImeMenuTray : public TrayBackgroundView,
public IMEObserver,
public KeyboardControllerObserver,
public VirtualKeyboardObserver {
METADATA_HEADER(ImeMenuTray, TrayBackgroundView)
public:
explicit ImeMenuTray(Shelf* shelf);
ImeMenuTray(const ImeMenuTray&) = delete;
ImeMenuTray& operator=(const ImeMenuTray&) = delete;
~ImeMenuTray() override;
// Callback called when this TrayBackgroundView is pressed.
void OnTrayButtonPressed();
// Shows the virtual keyboard with the given keyset: emoji, handwriting or
// voice.
void ShowKeyboardWithKeyset(input_method::ImeKeyset keyset);
// Returns whether the virtual keyboard toggle should be shown in shown in the
// opt-in IME menu.
bool ShouldShowKeyboardToggle() const;
// TrayBackgroundView:
void OnThemeChanged() override;
void HandleLocaleChange() override;
void HideBubbleWithView(const TrayBubbleView* bubble_view) override;
void ClickedOutsideBubble(const ui::LocatedEvent& event) override;
void UpdateTrayItemColor(bool is_active) override;
void CloseBubbleInternal() override;
void ShowBubble() override;
TrayBubbleView* GetBubbleView() override;
views::Widget* GetBubbleWidget() const override;
void AddedToWidget() override;
// IMEObserver:
void OnIMERefresh() override;
void OnIMEMenuActivationChanged(bool is_activated) override;
// TrayBubbleView::Delegate:
std::u16string GetAccessibleNameForBubble() override;
bool ShouldEnableExtraKeyboardAccessibility() override;
void HideBubble(const TrayBubbleView* bubble_view) override;
// KeyboardControllerObserver:
void OnKeyboardHidden(bool is_temporary_hide) override;
// VirtualKeyboardObserver:
void OnKeyboardSuppressionChanged(bool suppressed) override;
// Returns true if any of the bottom buttons in the IME tray bubble are shown.
// Only used in test code.
bool AnyBottomButtonShownForTest() const;
private:
friend class ImeMenuTrayTest;
// Show the IME menu bubble immediately.
void ShowImeMenuBubbleInternal();
// Updates the text of the label on the tray.
void UpdateTrayLabel();
void CreateLabel();
void CreateImageView();
// Updates the color of `image_view_` if `is_image` is true or the color of
// `label_` otherwise.
void UpdateTrayImageOrLabelColor(bool is_image);
raw_ptr<ImeControllerImpl> ime_controller_;
// Bubble for default and detailed views.
std::unique_ptr<TrayBubbleWrapper> bubble_;
raw_ptr<ImeListView> ime_list_view_;
// Only one of |label_| and |image_view_| can be non null at the same time.
raw_ptr<views::Label> label_;
raw_ptr<views::ImageView> image_view_;
bool keyboard_suppressed_;
bool show_bubble_after_keyboard_hidden_;
bool is_emoji_enabled_;
bool is_handwriting_enabled_;
bool is_voice_enabled_;
base::WeakPtrFactory<ImeMenuTray> weak_ptr_factory_{this};
};
} // namespace ash
#endif // ASH_SYSTEM_IME_MENU_IME_MENU_TRAY_H_
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