1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// 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 ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_ASYNC_PREVIEW_IMAGE_VIEW_H_
#define ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_ASYNC_PREVIEW_IMAGE_VIEW_H_
#include "ash/ash_export.h"
#include "ash/public/cpp/holding_space/holding_space_image.h"
#include "base/callback_list.h"
#include "base/files/file_path.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/metadata/view_factory.h"
namespace gfx {
class Size;
}
namespace ash {
// An ImageView that fetches the thumbnail preview of a file asynchronously and
// updates itself when the preview is fetched.
class ASH_EXPORT QuickInsertAsyncPreviewImageView : public views::ImageView {
METADATA_HEADER(QuickInsertAsyncPreviewImageView, views::ImageView)
public:
using AsyncBitmapResolver = HoldingSpaceImage::AsyncBitmapResolver;
explicit QuickInsertAsyncPreviewImageView(
base::FilePath path,
const gfx::Size& max_size,
AsyncBitmapResolver async_bitmap_resolver);
QuickInsertAsyncPreviewImageView(const QuickInsertAsyncPreviewImageView&) =
delete;
QuickInsertAsyncPreviewImageView& operator=(
const QuickInsertAsyncPreviewImageView&) = delete;
~QuickInsertAsyncPreviewImageView() override;
// views::ImageView:
void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
gfx::Size CalculatePreferredSize(
const views::SizeBounds& available_size) const override;
private:
// Resizes and crops the preview image to the bounds of the view.
void UpdateImageSkia();
gfx::Size max_size_;
HoldingSpaceImage async_preview_image_;
base::CallbackListSubscription async_preview_subscription_;
};
BEGIN_VIEW_BUILDER(ASH_EXPORT,
QuickInsertAsyncPreviewImageView,
views::ImageView)
END_VIEW_BUILDER
} // namespace ash
DEFINE_VIEW_BUILDER(ASH_EXPORT, ash::QuickInsertAsyncPreviewImageView)
#endif // ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_ASYNC_PREVIEW_IMAGE_VIEW_H_
|
