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// Copyright 2018 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_TABS_TAB_HOVER_CARD_BUBBLE_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_TABS_TAB_HOVER_CARD_BUBBLE_VIEW_H_
#include <memory>
#include <optional>
#include <string_view>
#include <utility>
#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "base/time/time.h"
#include "chrome/browser/ui/tabs/tab_enums.h"
#include "chrome/browser/ui/tabs/tab_utils.h"
#include "chrome/browser/ui/views/chrome_layout_provider.h"
#include "chrome/browser/ui/views/tabs/fade_footer_view.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/gfx/animation/linear_animation.h"
#include "ui/views/animation/animation_delegate_views.h"
#include "ui/views/bubble/bubble_dialog_delegate_view.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "ash/public/cpp/metrics_util.h"
#endif
namespace gfx {
class ImageSkia;
}
namespace tabs {
enum class TabAlert;
}
class Tab;
class TabStyle;
class FadeLabelView;
struct TabRendererData;
// Dialog that displays an informational hover card containing page information.
class TabHoverCardBubbleView : public views::BubbleDialogDelegateView {
METADATA_HEADER(TabHoverCardBubbleView, views::BubbleDialogDelegateView)
public:
static constexpr base::TimeDelta kHoverCardSlideDuration =
base::Milliseconds(200);
DECLARE_CLASS_ELEMENT_IDENTIFIER_VALUE(kHoverCardBubbleElementId);
DECLARE_CLASS_ELEMENT_IDENTIFIER_VALUE(kHoverCardDomainLabelElementId);
struct InitParams {
// Becomes false with certain accessibility options and in tests
bool use_animation = true;
// Becomes false for ChromeOS tabbed system apps (e.g. Terminal)
bool show_domain = true;
// Becomes false when image preview setting is disabled
bool show_image_preview = true;
// Becomes false for ChromeOS system apps or when disabled in settings
bool show_memory_usage = true;
};
explicit TabHoverCardBubbleView(Tab* tab, const InitParams& params);
TabHoverCardBubbleView(const TabHoverCardBubbleView&) = delete;
TabHoverCardBubbleView& operator=(const TabHoverCardBubbleView&) = delete;
~TabHoverCardBubbleView() override;
// Create the CollaborationMessagingRowData from TabRendererData.
CollaborationMessagingRowData GetCollaborationMessagingData(
const TabRendererData& tab_data);
// Updates and formats title, alert state, domain, and preview image.
void UpdateCardContent(const Tab* tab);
// Update the text fade to the given percent, which should be between 0 and 1.
void SetTextFade(double percent);
// Set the preview image to use for the target tab.
void SetTargetTabImage(gfx::ImageSkia preview_image);
// Specifies that the hover card should display a placeholder image
// specifying that no preview for the tab is available (yet).
void SetPlaceholderImage();
// Accessors used by tests.
std::u16string_view GetTitleTextForTesting() const;
std::u16string_view GetDomainTextForTesting() const;
views::View* GetThumbnailViewForTesting();
FooterView* GetFooterViewForTesting();
// Returns the percentage complete during transition animations when a
// pre-emptive crossfade to a placeholder should start if a new image is not
// available, or `std::nullopt` to disable crossfades entirely.
static std::optional<double> GetPreviewImageCrossfadeStart();
private:
FRIEND_TEST_ALL_PREFIXES(TabHoverCardFadeFooterInteractiveUiTest,
BackgroundTabHoverCardContentsHaveCorrectDimensions);
class ThumbnailView;
// views::BubbleDialogDelegateView:
gfx::Size CalculatePreferredSize(
const views::SizeBounds& available_size) const override;
raw_ptr<FadeLabelView> title_label_ = nullptr;
raw_ptr<FadeLabelView> domain_label_ = nullptr;
raw_ptr<ThumbnailView> thumbnail_view_ = nullptr;
raw_ptr<FooterView> footer_view_ = nullptr;
std::optional<tabs::TabAlert> alert_state_;
const raw_ptr<const TabStyle> tab_style_;
const InitParams bubble_params_;
int corner_radius_ = ChromeLayoutProvider::Get()->GetCornerRadiusMetric(
views::Emphasis::kHigh);
};
#endif // CHROME_BROWSER_UI_VIEWS_TABS_TAB_HOVER_CARD_BUBBLE_VIEW_H_
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