| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef ASH_SYSTEM_PALETTE_PALETTE_WELCOME_BUBBLE_H_ |
| #define ASH_SYSTEM_PALETTE_PALETTE_WELCOME_BUBBLE_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/session/session_observer.h" |
| #include "base/macros.h" |
| #include "ui/events/event_handler.h" |
| #include "ui/views/widget/widget_observer.h" |
| |
| class PrefRegistrySimple; |
| class PrefService; |
| |
| namespace views { |
| class View; |
| } |
| |
| namespace ash { |
| class PaletteTray; |
| |
| // The PaletteWelcomeBubble handles displaying a warm welcome bubble letting |
| // users know about the PaletteTray the first time a stylus is ejected, or if an |
| // external stylus is detected. PaletteTray controls the visibility of the |
| // bubble. |
| class ASH_EXPORT PaletteWelcomeBubble : public SessionObserver, |
| public views::WidgetObserver, |
| public ui::EventHandler { |
| public: |
| explicit PaletteWelcomeBubble(PaletteTray* tray); |
| ~PaletteWelcomeBubble() override; |
| |
| static void RegisterProfilePrefs(PrefRegistrySimple* registry); |
| |
| // Show the welcome bubble iff it has not been shown before. |
| void ShowIfNeeded(); |
| |
| // Get the pref which stores whether the bubble has been shown before. |
| bool HasBeenShown() const; |
| |
| // Set the pref which stores whether the bubble has been shown before as true. |
| // The bubble will not be shown after this is called. |
| void MarkAsShown(); |
| |
| // SessionObserver: |
| void OnActiveUserPrefServiceChanged(PrefService* pref_service) override; |
| |
| // views::WidgetObserver: |
| void OnWidgetClosing(views::Widget* widget) override; |
| |
| // Returns the bubble view for tests, or null when the bubble is not showing. |
| views::View* GetBubbleViewForTesting(); |
| |
| private: |
| friend class PaletteWelcomeBubbleTest; |
| class WelcomeBubbleView; |
| |
| // Shows or hides the welcome bubble. |
| void Show(); |
| void Hide(); |
| |
| // ui::EventHandler: |
| void OnMouseEvent(ui::MouseEvent* event) override; |
| void OnTouchEvent(ui::TouchEvent* event) override; |
| |
| // The PaletteTray this bubble is associated with. Serves as the anchor for |
| // the bubble. Not owned. |
| PaletteTray* tray_ = nullptr; |
| |
| PrefService* active_user_pref_service_ = nullptr; // Not owned. |
| |
| WelcomeBubbleView* bubble_view_ = nullptr; |
| |
| DISALLOW_COPY_AND_ASSIGN(PaletteWelcomeBubble); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SYSTEM_PALETTE_PALETTE_WELCOME_BUBBLE_H_ |