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// 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 CHROME_BROWSER_UI_VIEWS_USER_EDUCATION_HELP_BUBBLE_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_USER_EDUCATION_HELP_BUBBLE_VIEW_H_
#include <cstddef>
#include <memory>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "chrome/browser/ui/user_education/help_bubble_params.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "ui/base/interaction/element_identifier.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/views/bubble/bubble_border.h"
#include "ui/views/bubble/bubble_dialog_delegate_view.h"
#include "ui/views/controls/button/label_button.h"
namespace ui {
class MouseEvent;
} // namespace ui
namespace views {
class ImageView;
class Label;
class MdTextButton;
} // namespace views
// The HelpBubbleView is a special BubbleDialogDelegateView for
// in-product help which educates users about certain Chrome features in
// a deferred context.
class HelpBubbleView : public views::BubbleDialogDelegateView {
public:
METADATA_HEADER(HelpBubbleView);
DECLARE_CLASS_ELEMENT_IDENTIFIER_VALUE(kHelpBubbleElementIdForTesting);
HelpBubbleView(views::View* anchor_view,
HelpBubbleParams params,
absl::optional<gfx::Rect> anchor_rect = absl::nullopt);
HelpBubbleView(const HelpBubbleView&) = delete;
HelpBubbleView& operator=(const HelpBubbleView&) = delete;
~HelpBubbleView() override;
// Returns whether the given dialog is a help bubble.
static bool IsHelpBubble(views::DialogDelegate* dialog);
bool IsFocusInHelpBubble() const;
views::LabelButton* GetDefaultButtonForTesting() const;
views::LabelButton* GetNonDefaultButtonForTesting(int index) const;
private:
FRIEND_TEST_ALL_PREFIXES(HelpBubbleViewTest,
RespectsProvidedTimeoutAfterActivate);
void MaybeStartAutoCloseTimer();
void OnTimeout();
// BubbleDialogDelegateView:
bool OnMousePressed(const ui::MouseEvent& event) override;
std::u16string GetAccessibleWindowTitle() const override;
void UpdateHighlightedButton(bool highlighted) override {
// Do nothing: the anchor for promo bubbles should not highlight.
}
void OnWidgetActivationChanged(views::Widget* widget, bool active) override;
void OnThemeChanged() override;
gfx::Size CalculatePreferredSize() const override;
gfx::Rect GetAnchorRect() const override;
// Forces the anchor rect to the specified rectangle (in screen coordinates).
// If an artificial anchor rect is used, we assume the exact target cannot be
// localized, and a visible arrow is not shown.
absl::optional<gfx::Rect> force_anchor_rect_;
base::raw_ptr<views::ImageView> icon_view_ = nullptr;
std::vector<views::Label*> labels_;
// If the bubble has buttons, it must be focusable.
std::vector<views::MdTextButton*> non_default_buttons_;
base::raw_ptr<views::MdTextButton> default_button_ = nullptr;
base::raw_ptr<views::Button> close_button_ = nullptr;
// This is the base accessible name of the window.
std::u16string accessible_name_;
// This is any additional hint text to read.
std::u16string screenreader_hint_text_;
// Track the number of times the widget has been activated; if it's greater
// than 1 we won't re-read the screenreader hint again.
int activate_count_ = 0;
// Prevents the widget we're anchored to from disappearing when it loses
// focus, even if it's marked as close_on_deactivate.
std::unique_ptr<CloseOnDeactivatePin> anchor_pin_;
// Auto close timeout. If the value is 0 (default), the bubble never times
// out.
base::TimeDelta timeout_;
base::OneShotTimer auto_close_timer_;
base::OnceClosure timeout_callback_;
};
#endif // CHROME_BROWSER_UI_VIEWS_USER_EDUCATION_HELP_BUBBLE_VIEW_H_