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// Copyright 2022 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_UI_VIEWS_TOOLBAR_TOOLBAR_ACTION_HOVER_CARD_CONTROLLER_H_
#define CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_ACTION_HOVER_CARD_CONTROLLER_H_
#include <memory>
#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "chrome/browser/ui/toolbar/toolbar_action_hover_card_types.h"
#include "ui/views/animation/bubble_slide_animator.h"
#include "ui/views/animation/widget_fade_animator.h"
#include "ui/views/view.h"
#include "ui/views/view_observer.h"
class ToolbarActionHoverCardBubbleView;
class ExtensionsToolbarContainer;
class ToolbarActionView;
// Controls how hover cards are shown and hidden for toolbar actions.
class ToolbarActionHoverCardController : public views::ViewObserver {
public:
explicit ToolbarActionHoverCardController(
ExtensionsToolbarContainer* extensions_container);
~ToolbarActionHoverCardController() override;
// Returns whether hover card animations should be shown on the current
// device.
static bool UseAnimations();
bool IsHoverCardVisible() const;
bool IsHoverCardShowingForAction(ToolbarActionView* action_view) const;
void UpdateHoverCard(ToolbarActionView* action_view,
ToolbarActionHoverCardUpdateType update_type);
private:
friend class ToolbarActionHoverCardBubbleViewUITest;
class EventSniffer;
void UpdateOrShowHoverCard(ToolbarActionView* action_view,
ToolbarActionHoverCardUpdateType update_type);
void UpdateHoverCardContent(ToolbarActionView* action_view);
void CreateHoverCard(ToolbarActionView* action_view);
void ShowHoverCard(bool is_initial, const ToolbarActionView* action_view);
void HideHoverCard();
bool ShouldShowImmediately(const ToolbarActionView* action_view) const;
const views::View* GetTargetAnchorView() const;
// Determines if `target_action_view` is still valid. Call this when entering
// ToolbarActionHoverCardController from an asynchronous callback.
bool TargetActionViewIsValid() const;
// Animator events:
void OnFadeAnimationEnded(views::WidgetFadeAnimator* animator,
views::WidgetFadeAnimator::FadeType fade_type);
void OnSlideAnimationProgressed(views::BubbleSlideAnimator* animator,
double value);
void OnSlideAnimationComplete(views::BubbleSlideAnimator* animator);
// views::ViewObserver:
void OnViewIsDeleting(views::View* observed_view) override;
void OnViewVisibilityChanged(views::View* observed_view,
views::View* starting_view) override;
// Timestamp of the last time the hover card is hidden by the mouse leaving
// the tab strip. This is used for reshowing the hover card without delay if
// the mouse reenters within a given amount of time.
base::TimeTicks last_mouse_exit_timestamp_;
raw_ptr<ToolbarActionView> target_action_view_ = nullptr;
const raw_ptr<ExtensionsToolbarContainer> extensions_container_;
raw_ptr<ToolbarActionHoverCardBubbleView> hover_card_ = nullptr;
base::ScopedObservation<views::View, views::ViewObserver>
hover_card_observation_{this};
base::ScopedObservation<views::View, views::ViewObserver>
target_action_view_observation_{this};
std::unique_ptr<EventSniffer> event_sniffer_;
// Used to animate the tab hover card's opacity when visible or not.
std::unique_ptr<views::WidgetFadeAnimator> fade_animator_;
// Fade animations interfere with browser tests so we disable them in tests.
static bool disable_animations_for_testing_;
// Used to animate the tab hover card's movement between tabs.
std::unique_ptr<views::BubbleSlideAnimator> slide_animator_;
base::CallbackListSubscription fade_complete_subscription_;
base::CallbackListSubscription slide_progressed_subscription_;
base::CallbackListSubscription slide_complete_subscription_;
// Ensure that this timer is destroyed before anything else is cleaned up.
base::OneShotTimer delayed_show_timer_;
base::WeakPtrFactory<ToolbarActionHoverCardController> weak_ptr_factory_{
this};
};
#endif // CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_ACTION_HOVER_CARD_CONTROLLER_H_
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