| // 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 "base/optional.h" |
| #include "ui/views/pointer_watcher.h" |
| #include "ui/views/widget/widget_observer.h" |
| |
| class PrefRegistrySimple; |
| class PrefService; |
| |
| namespace views { |
| class Widget; |
| } // namespace views |
| |
| 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 views::PointerWatcher { |
| public: |
| explicit PaletteWelcomeBubble(PaletteTray* tray); |
| ~PaletteWelcomeBubble() override; |
| |
| static void RegisterProfilePrefs(PrefRegistrySimple* registry); |
| |
| // Show the welcome bubble iff it has not been shown before. |shown_by_stylus| |
| // is true if the call is generated by a stylus-down event. |
| void ShowIfNeeded(bool shown_by_stylus); |
| |
| // 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(); |
| |
| bool bubble_shown() { return bubble_view_ != nullptr; } |
| |
| // SessionObserver: |
| void OnActiveUserPrefServiceChanged(PrefService* pref_service) override; |
| |
| // views::WidgetObserver: |
| void OnWidgetClosing(views::Widget* widget) override; |
| |
| // Returns the bounds of the bubble view if it exists. |
| base::Optional<gfx::Rect> GetBubbleBoundsForTest(); |
| |
| private: |
| friend class PaletteWelcomeBubbleTest; |
| class WelcomeBubbleView; |
| |
| void Show(bool shown_by_stylus); |
| |
| // Hides the welcome bubble. |
| void Hide(); |
| |
| // views::PointerWatcher: |
| void OnPointerEventObserved(const ui::PointerEvent& event, |
| const gfx::Point& location_in_screen, |
| gfx::NativeView target) override; |
| |
| // Flag which determines whether a pointer event should be ignored. This is |
| // set when this is first registered as a pointer watcher, so the same event |
| // which caused the bubble to show does not also cause the bubble to be |
| // hidden. |
| bool ignore_stylus_event_ = false; |
| |
| // 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_ |