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
64
65
66
67
68
69
70
71
|
// 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 CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_STARTED_ANIMATION_VIEWS_H_
#define CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_STARTED_ANIMATION_VIEWS_H_
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "content/public/browser/web_contents.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/base/models/image_model.h"
#include "ui/gfx/animation/linear_animation.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/widget/widget.h"
// DownloadStartedAnimationViews creates an animation (which begins running
// immediately) that animates an image within the frame provided on the
// constructor. To use, simply instantiate a subclass using "new"; the class
// cleans itself up when it finishes animating.
class DownloadStartedAnimationViews : public gfx::LinearAnimation,
public views::ImageView {
METADATA_HEADER(DownloadStartedAnimationViews, views::ImageView)
public:
DownloadStartedAnimationViews(content::WebContents* web_contents,
base::TimeDelta duration,
const ui::ImageModel& image);
DownloadStartedAnimationViews(const DownloadStartedAnimationViews&) = delete;
DownloadStartedAnimationViews& operator=(
const DownloadStartedAnimationViews&) = delete;
~DownloadStartedAnimationViews() override = default;
protected:
const gfx::Rect& web_contents_bounds() const { return web_contents_bounds_; }
private:
// Compute the position of the image for the current state.
virtual int GetX() const = 0;
virtual int GetY() const = 0;
virtual int GetWidth() const;
virtual int GetHeight() const;
virtual float GetOpacity() const = 0;
// Whether the WebContents are too small to display the animation, in which
// case the animation should not be shown.
virtual bool WebContentsTooSmall(const gfx::Size& image_size) const;
// Move the animation to wherever it should currently be.
void Reposition();
// Shut down the animation cleanly.
void Close();
// gfx::Animation
void AnimateToState(double state) override;
// We use a TYPE_POPUP for the popup so that it may float above any windows in
// our UI.
raw_ptr<views::Widget> popup_ = nullptr;
// The content area at the start of the animation. We store this so that the
// download shelf's resizing of the content area doesn't cause the animation
// to move around. This means that once started, the animation won't move
// with the parent window, but it's so fast that this shouldn't cause too
// much heartbreak.
gfx::Rect web_contents_bounds_;
};
#endif // CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_STARTED_ANIMATION_VIEWS_H_
|
