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// Copyright 2024 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_DIGITAL_CREDENTIALS_DIGITAL_IDENTITY_MULTI_STEP_DIALOG_H_
#define CHROME_BROWSER_UI_VIEWS_DIGITAL_CREDENTIALS_DIGITAL_IDENTITY_MULTI_STEP_DIALOG_H_
#include <memory>
#include <optional>
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ui/views/chrome_layout_provider.h"
#include "ui/base/models/dialog_model.h"
#include "ui/color/color_variant.h"
#include "ui/views/border.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/box_layout_view.h"
#include "ui/views/style/typography_provider.h"
class DigitalIdentityMultiStepDialogDelegate;
namespace content {
class WebContents;
}
namespace views {
class BubbleDialogDelegate;
}
// Wraps views::BubbleDialogDelegate where contents can be updated in order to
// support having multiple steps in dialog.
class DigitalIdentityMultiStepDialog {
public:
// Configures the `illustration` to be ready for displaying in the dialog. It
// adjusts the size and wraps it in another view, and adds an optional title
// and body text if not empty below the illustration. Controllers for
// different steps in the flow will use this method to configure the
// corresponding illustration in each step. Implementation is in the header
// file because this is a templated method.
template <typename T>
static std::unique_ptr<views::BoxLayoutView> CreateHeaderView(
std::u16string title,
std::u16string body_text,
std::unique_ptr<T> illustration) {
constexpr int kImageMarginTop = 0;
constexpr int kImageMarginBottom = 2;
constexpr int kImageHeight = 112;
constexpr int kHeaderHeight =
kImageHeight + kImageMarginTop + kImageMarginBottom;
const gfx::Insets& insets =
ChromeLayoutProvider::Get()->GetDialogInsetsForContentType(
views::DialogContentType::kText, views::DialogContentType::kText);
const int available_width =
ChromeLayoutProvider::Get()->GetDistanceMetric(
views::DISTANCE_MODAL_DIALOG_PREFERRED_WIDTH) -
insets.right() - insets.left();
const gfx::Size header_size(available_width, kHeaderHeight);
// `illustration` will horizontally center if the width is
// larger than the size from the Lottie file, but the height is just used to
// truncate the image, so that is disabled with a very large value.
illustration->SetPreferredSize(gfx::Size(available_width, 9999));
illustration->SetBorder(views::CreateEmptyBorder(
gfx::Insets::TLBR(kImageMarginTop, 0, kImageMarginBottom, 0)));
illustration->SetSize(header_size);
illustration->SetVerticalAlignment(views::ImageView::Alignment::kLeading);
auto illustration_container_view =
views::Builder<views::BoxLayoutView>()
.SetOrientation(views::BoxLayout::Orientation::kVertical)
.SetInsideBorderInsets(gfx::Insets())
.SetPreferredSize(header_size)
.Build();
illustration_container_view->AddChildView(std::move(illustration));
auto header_view =
views::Builder<views::BoxLayoutView>()
.SetOrientation(views::BoxLayout::Orientation::kVertical)
.SetInsideBorderInsets(gfx::Insets())
.SetBetweenChildSpacing(
views::LayoutProvider::Get()->GetDistanceMetric(
views::DISTANCE_RELATED_CONTROL_VERTICAL))
.Build();
header_view->AddChildView(std::move(illustration_container_view));
// Add title if not empty
if (!title.empty()) {
auto title_label = views::Builder<views::Label>()
.SetText(std::move(title))
.SetTextContext(views::style::CONTEXT_DIALOG_TITLE)
.SetHorizontalAlignment(gfx::ALIGN_LEFT)
.Build();
header_view->AddChildView(std::move(title_label));
}
// Add body text if not empty
if (!body_text.empty()) {
auto body_label = views::Builder<views::Label>()
.SetText(std::move(body_text))
.SetTextContext(views::style::CONTEXT_LABEL)
.SetMultiLine(true)
.SetHorizontalAlignment(gfx::ALIGN_LEFT)
.Build();
header_view->AddChildView(std::move(body_label));
}
return header_view;
}
class TestApi {
public:
explicit TestApi(DigitalIdentityMultiStepDialog* dialog);
~TestApi();
views::Widget* GetWidget();
views::BubbleDialogDelegate* GetWidgetDelegate();
private:
const raw_ptr<DigitalIdentityMultiStepDialog> dialog_;
};
explicit DigitalIdentityMultiStepDialog(
base::WeakPtr<content::WebContents> web_contents);
~DigitalIdentityMultiStepDialog();
// Tries to show dialog. Updates the dialog contents if the dialog is already
// showing. Runs `cancel_callback` if dialog could not be shown (and the
// dialog is not already showing).
void TryShow(
const std::optional<ui::DialogModel::Button::Params>& accept_button,
base::OnceClosure accept_callback,
const ui::DialogModel::Button::Params& cancel_button,
base::OnceClosure cancel_callback,
const std::u16string& dialog_title,
const std::u16string& body_text,
std::unique_ptr<views::View> custom_body_field,
bool show_progress_bar);
ui::ColorVariant GetBackgroundColor();
private:
DigitalIdentityMultiStepDialogDelegate* GetWidgetDelegate();
// The web contents the dialog is modal to.
base::WeakPtr<content::WebContents> web_contents_;
base::WeakPtr<views::Widget> dialog_;
};
#endif // CHROME_BROWSER_UI_VIEWS_DIGITAL_CREDENTIALS_DIGITAL_IDENTITY_MULTI_STEP_DIALOG_H_
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