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// Copyright 2021 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_ASH_SHARESHEET_SHARESHEET_HEADER_VIEW_H_
#define CHROME_BROWSER_UI_ASH_SHARESHEET_SHARESHEET_HEADER_VIEW_H_
#include <memory>
#include <vector>
#include "ash/public/cpp/holding_space/holding_space_image.h"
#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/ash/thumbnail_loader/thumbnail_loader.h"
#include "components/services/app_service/public/cpp/intent.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/gfx/vector_icon_types.h"
#include "ui/views/controls/label.h"
#include "ui/views/view.h"
class Profile;
namespace ash {
namespace sharesheet {
// The SharesheetHeaderView class is the view for the image
// previews feature.
class SharesheetHeaderView : public views::View {
METADATA_HEADER(SharesheetHeaderView, views::View)
public:
explicit SharesheetHeaderView(apps::IntentPtr intent, Profile* profile);
~SharesheetHeaderView() override;
SharesheetHeaderView(const SharesheetHeaderView&) = delete;
SharesheetHeaderView& operator=(const SharesheetHeaderView&) = delete;
private:
class SharesheetImagePreview;
enum class TextPlaceholderIcon {
kGenericText = 0,
kLink,
};
// Adds the view for text preview.
void ShowTextPreview();
// Parses the share_text attribute for each individual url and text
// from the intent struct and returns the result in a vector.
std::vector<std::unique_ptr<views::Label>> ExtractShareText();
// Creates a new Label view and adds styling.
std::unique_ptr<views::Label> CreatePreviewLabel(const std::u16string& text);
const gfx::VectorIcon& GetTextVectorIcon();
// TODO(crbug.com/40191717): Move business logic out of UI code.
void ResolveImages();
void ResolveImage(size_t index);
void LoadImage(const base::FilePath& file_path,
const gfx::Size& size,
HoldingSpaceImage::BitmapCallback callback);
void OnImageLoaded(const gfx::Size& size, size_t index);
// Contains the share title and text preview views.
raw_ptr<views::View> text_view_ = nullptr;
raw_ptr<SharesheetImagePreview> image_preview_;
// |text_icon_| is only used when we have no icons to show in the image
// preview.
TextPlaceholderIcon text_icon_ = TextPlaceholderIcon::kGenericText;
raw_ptr<Profile> profile_;
apps::IntentPtr intent_;
ThumbnailLoader thumbnail_loader_;
std::vector<base::CallbackListSubscription> image_subscription_;
// TODO(crbug.com/40160331): Clean up to use our own FileThumbnailImage class.
std::vector<std::unique_ptr<HoldingSpaceImage>> images_;
base::WeakPtrFactory<SharesheetHeaderView> weak_ptr_factory_{this};
};
} // namespace sharesheet
} // namespace ash
#endif // CHROME_BROWSER_UI_ASH_SHARESHEET_SHARESHEET_HEADER_VIEW_H_
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