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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.
#include "ash/quick_insert/views/quick_insert_async_preview_image_view.h"
#include <utility>
#include "ash/public/cpp/holding_space/holding_space_image.h"
#include "ash/public/cpp/image_util.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "third_party/skia/include/core/SkPath.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/base/models/image_model.h"
#include "ui/chromeos/styles/cros_tokens_color_mappings.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/skia_conversions.h"
#include "ui/views/background.h"
#include "ui/views/metadata/view_factory.h"
namespace ash {
namespace {
constexpr int kCornerRadius = 8;
HoldingSpaceImage::PlaceholderImageSkiaResolver
CreateEmptyPlaceholderImageSkiaResolver() {
return base::BindRepeating([](const base::FilePath& backing_file_path,
const gfx::Size& size,
const std::optional<bool>& dark_background,
const std::optional<bool>& is_folder) {
return image_util::CreateEmptyImage(size);
});
}
} // namespace
QuickInsertAsyncPreviewImageView::QuickInsertAsyncPreviewImageView(
base::FilePath path,
const gfx::Size& max_size,
AsyncBitmapResolver async_bitmap_resolver)
: max_size_(max_size),
async_preview_image_(max_size_,
std::move(path),
std::move(async_bitmap_resolver),
CreateEmptyPlaceholderImageSkiaResolver()) {
SetBackground(views::CreateRoundedRectBackground(
cros_tokens::kCrosSysAppBaseShaded, kCornerRadius));
// base::Unretained is safe here since `async_preview_subscription_` is a
// member. During destruction, `async_icon_subscription_` will be destroyed
// before the other members, so the callback is guaranteed to be safe.
async_preview_subscription_ =
async_preview_image_.AddImageSkiaChangedCallback(base::BindRepeating(
&QuickInsertAsyncPreviewImageView::UpdateImageSkia,
base::Unretained(this)));
// Use the initial placeholder image.
UpdateImageSkia();
}
QuickInsertAsyncPreviewImageView::~QuickInsertAsyncPreviewImageView() = default;
void QuickInsertAsyncPreviewImageView::OnBoundsChanged(
const gfx::Rect& previous_bounds) {
UpdateImageSkia();
SkPath path;
path.addRoundRect(gfx::RectToSkRect(GetLocalBounds()),
SkIntToScalar(kCornerRadius), SkIntToScalar(kCornerRadius));
SetClipPath(path);
views::ImageView::OnBoundsChanged(previous_bounds);
}
gfx::Size QuickInsertAsyncPreviewImageView::CalculatePreferredSize(
const views::SizeBounds& available_size) const {
// Calculate the height to retain aspect ratio.
const int preferred_width =
views::ImageView::CalculatePreferredSize(available_size).width();
const int height =
max_size_.width() == 0
? 0
: (preferred_width * max_size_.height()) / max_size_.width();
return gfx::Size(preferred_width, height);
}
void QuickInsertAsyncPreviewImageView::UpdateImageSkia() {
const gfx::Size local_bounds = GetLocalBounds().size();
SetImage(ui::ImageModel::FromImageSkia(async_preview_image_.GetImageSkia(
local_bounds.IsEmpty() ? std::nullopt
: std::make_optional(local_bounds))));
}
BEGIN_METADATA(QuickInsertAsyncPreviewImageView)
END_METADATA
} // namespace ash
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