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// Copyright 2019 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_QRCODE_GENERATOR_QRCODE_GENERATOR_BUBBLE_H_
#define CHROME_BROWSER_UI_VIEWS_QRCODE_GENERATOR_QRCODE_GENERATOR_BUBBLE_H_
#include <memory>
#include <optional>
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/qrcode_generator/qrcode_generator_bubble_view.h"
#include "chrome/browser/ui/views/location_bar/location_bar_bubble_delegate_view.h"
#include "components/qr_code_generator/bitmap_generator.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/textfield/textfield_controller.h"
#include "url/gurl.h"
namespace content {
class WebContents;
} // namespace content
namespace gfx {
class ImageSkia;
}
namespace views {
class ImageView;
class LabelButton;
class TooltipIcon;
class View;
} // namespace views
namespace qrcode_generator {
// Dialog that displays a QR code used to share a page or image.
class QRCodeGeneratorBubble : public QRCodeGeneratorBubbleView,
public LocationBarBubbleDelegateView,
public views::TextfieldController {
METADATA_HEADER(QRCodeGeneratorBubble, LocationBarBubbleDelegateView)
public:
QRCodeGeneratorBubble(views::View* anchor_view,
base::WeakPtr<content::WebContents> web_contents,
base::OnceClosure on_closing,
base::OnceClosure on_back_button_pressed,
const GURL& url);
QRCodeGeneratorBubble(const QRCodeGeneratorBubble&) = delete;
QRCodeGeneratorBubble& operator=(const QRCodeGeneratorBubble&) = delete;
~QRCodeGeneratorBubble() override;
void Show();
// QRCodeGeneratorBubbleView:
void Hide() override;
void OnThemeChanged() override;
// Returns a suggested download filename for a given URL.
// e.g.: www.foo.com may suggest qrcode_foo.png.
static const std::u16string GetQRCodeFilenameForURL(const GURL& url);
views::ImageView* image_for_testing() { return qr_code_image_; }
views::Textfield* textfield_for_testing() { return textfield_url_; }
views::Label* error_label_for_testing() { return bottom_error_label_; }
views::LabelButton* download_button_for_testing() { return download_button_; }
void SetQRCodeErrorForTesting(std::optional<qr_code_generator::Error> error);
private:
// Updates and formats QR code, text, and controls.
void UpdateQRContent();
// Updates the central QR code image with |qr_image|.
void UpdateQRImage(gfx::ImageSkia qr_image);
// Updates the central QR code image with a placeholder.
void DisplayPlaceholderImage();
// Shows an error message.
void DisplayError(qr_code_generator::Error error);
// Hides all error messages and enables or disables download button.
void HideErrors(bool enable_download_button);
// Shrinks the view and sets it not visible.
void ShrinkAndHideDisplay(views::View* view);
// LocationBarBubbleDelegateView:
View* GetInitiallyFocusedView() override;
bool ShouldShowCloseButton() const override;
void WindowClosing() override;
// views::BubbleDialogDelegateView:
void Init() override;
void AddedToWidget() override;
// TextfieldController:
void ContentsChanged(views::Textfield* sender,
const std::u16string& new_contents) override;
bool HandleKeyEvent(views::Textfield* sender,
const ui::KeyEvent& key_event) override;
bool HandleMouseEvent(views::Textfield* sender,
const ui::MouseEvent& mouse_event) override;
const SkBitmap GetBitmap();
void CopyButtonPressed();
void DownloadButtonPressed();
void BackButtonPressed();
// Unit tests can set `qr_code_error_override_` to inject QR code
// generation errors.
std::optional<qr_code_generator::Error> qrcode_error_override_;
// URL for which the QR code is being generated.
// Used for validation.
GURL url_;
base::WeakPtr<actions::ActionItem> qrcode_action_item_ = nullptr;
// Pointers to subviews that we need to update the contents or visibility of
// after creation.
raw_ptr<views::ImageView> qr_code_image_ = nullptr;
raw_ptr<views::Textfield> textfield_url_ = nullptr;
raw_ptr<views::LabelButton> copy_button_ = nullptr;
raw_ptr<views::LabelButton> download_button_ = nullptr;
raw_ptr<views::TooltipIcon> tooltip_icon_ = nullptr;
raw_ptr<views::Label> center_error_label_ = nullptr;
raw_ptr<views::Label> bottom_error_label_ = nullptr;
base::OnceClosure on_closing_;
base::OnceClosure on_back_button_pressed_;
base::WeakPtr<content::WebContents> web_contents_;
};
} // namespace qrcode_generator
#endif // CHROME_BROWSER_UI_VIEWS_QRCODE_GENERATOR_QRCODE_GENERATOR_BUBBLE_H_
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