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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_MESSAGE_CENTER_VIEWS_LARGE_IMAGE_VIEW_H_
#define UI_MESSAGE_CENTER_VIEWS_LARGE_IMAGE_VIEW_H_
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/message_center/message_center_export.h"
#include "ui/views/view.h"
namespace gfx {
class Canvas;
} // namespace gfx
namespace message_center {
// An image container view for notifications. Exported for tests.
class MESSAGE_CENTER_EXPORT LargeImageView : public views::View {
METADATA_HEADER(LargeImageView, views::View)
public:
explicit LargeImageView(const gfx::Size& max_size);
LargeImageView(const LargeImageView&) = delete;
LargeImageView& operator=(const LargeImageView&) = delete;
~LargeImageView() override;
// views::View:
void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
void OnPaint(gfx::Canvas* canvas) override;
void SetImage(const gfx::ImageSkia& image);
const gfx::ImageSkia& original_image() const { return original_image_; }
const gfx::ImageSkia& drawn_image() const { return drawn_image_; }
private:
// Calculates the resized image's size so that the resized image's width does
// not exceed the threshold.
gfx::Size CalculateResizedImageSizeForWidth() const;
// Returns the image to draw as the notification large image.
gfx::ImageSkia CalculateDrawnImage() const;
const gfx::Size max_size_;
const gfx::Size min_size_;
// Caches the original image. Updates in `SetImage()`.
gfx::ImageSkia original_image_;
// Caches the image to draw in this view. Adapted from the original image.
// Updates when either `original_image_` or the view size changes.
gfx::ImageSkia drawn_image_;
};
} // namespace message_center
#endif // UI_MESSAGE_CENTER_VIEWS_LARGE_IMAGE_VIEW_H_
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