| // Copyright 2019 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_CROSTINI_CROSTINI_UNSUPPORTED_ACTION_NOTIFIER_H_ |
| #define CHROME_BROWSER_ASH_CROSTINI_CROSTINI_UNSUPPORTED_ACTION_NOTIFIER_H_ |
| |
| #include <memory> |
| #include <optional> |
| #include <string> |
| |
| #include "ash/public/cpp/keyboard/keyboard_controller_observer.h" |
| #include "ash/public/cpp/system/toast_data.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "ui/aura/client/focus_change_observer.h" |
| #include "ui/display/display_observer.h" |
| |
| namespace display { |
| enum class TabletState; |
| } // namespace display |
| |
| namespace crostini { |
| |
| // Notifies the user when they try to do something Crostini doesn't yet support |
| // e.g. use the virtual keyboard in a crostini app. |
| // TODO(davidmunro): Emit metrics around how often we're hitting these issues so |
| // we can prioritise appropriately. |
| class CrostiniUnsupportedActionNotifier |
| : public display::DisplayObserver, |
| public aura::client::FocusChangeObserver, |
| public ash::KeyboardControllerObserver { |
| public: |
| // Adapter around external integrations which we can mock out for testing, |
| // stateless. |
| class Delegate { |
| public: |
| Delegate(); |
| virtual ~Delegate(); |
| |
| virtual bool IsInTabletMode(); |
| |
| // True if the window which currently has focus is a crostini window, |
| // doesn't count the terminal. |
| virtual bool IsFocusedWindowCrostini(); |
| |
| // Is the current virtual keyboard visible. |
| virtual bool IsVirtualKeyboardVisible(); |
| |
| // Shows a toast to the user. |
| virtual void ShowToast(ash::ToastData toast_data); |
| |
| // How long toasts should be displayed for. Timing varies depending on |
| // e.g. whether screen magnification is enabled. |
| virtual base::TimeDelta ToastTimeout(); |
| |
| virtual void AddFocusObserver(aura::client::FocusChangeObserver* observer); |
| virtual void RemoveFocusObserver( |
| aura::client::FocusChangeObserver* observer); |
| virtual void AddDisplayObserver(display::DisplayObserver* observer); |
| virtual void RemoveDisplayObserver(display::DisplayObserver* observer); |
| virtual void AddKeyboardControllerObserver( |
| ash::KeyboardControllerObserver* observer); |
| virtual void RemoveKeyboardControllerObserver( |
| ash::KeyboardControllerObserver* observer); |
| }; |
| |
| CrostiniUnsupportedActionNotifier(); |
| explicit CrostiniUnsupportedActionNotifier( |
| std::unique_ptr<Delegate> delegate); |
| |
| CrostiniUnsupportedActionNotifier(const CrostiniUnsupportedActionNotifier&) = |
| delete; |
| CrostiniUnsupportedActionNotifier& operator=( |
| const CrostiniUnsupportedActionNotifier&) = delete; |
| |
| ~CrostiniUnsupportedActionNotifier() override; |
| |
| // display::DisplayObserver: |
| void OnDisplayTabletStateChanged(display::TabletState state) override; |
| |
| // aura::client::FocusChangeObserver: |
| void OnWindowFocused(aura::Window* gained_focus, |
| aura::Window* lost_focus) override; |
| |
| // ash::KeyboardControllerObserver: |
| void OnKeyboardVisibilityChanged(bool visible) override; |
| |
| Delegate* get_delegate_for_testing() { return delegate_.get(); } |
| |
| private: |
| // Checks if the user is trying to use a virtual keyboard with a crostini |
| // app and, if so and if they haven't already been notified that it's not |
| // supported, notify them. |
| void ShowVirtualKeyboardUnsupportedNotifictionIfNeeded(); |
| |
| std::unique_ptr<Delegate> delegate_; |
| bool virtual_keyboard_unsupported_message_shown_ = false; |
| }; |
| |
| } // namespace crostini |
| |
| #endif // CHROME_BROWSER_ASH_CROSTINI_CROSTINI_UNSUPPORTED_ACTION_NOTIFIER_H_ |