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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// 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_TABS_FADE_LABEL_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_TABS_FADE_LABEL_VIEW_H_
#include <string_view>
#include "chrome/browser/ui/views/tabs/fade_view.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/gfx/text_constants.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/controls/label.h"
#include "ui/views/style/typography.h"
struct FadeLabelViewData {
std::u16string text;
bool is_filename = false;
gfx::ElideBehavior elide = gfx::ELIDE_TAIL;
};
using FadeWrapper_Label_FadeLabelViewData =
FadeWrapper<views::Label, FadeLabelViewData>;
DECLARE_TEMPLATE_METADATA(FadeWrapper_Label_FadeLabelViewData, FadeWrapper);
// Label that is able to fade when used in conjunction with FadeView
class FadeLabel : public FadeWrapper<views::Label, FadeLabelViewData> {
using FadeWrapperFadeLabelViewData =
FadeWrapper<views::Label, FadeLabelViewData>;
METADATA_HEADER(FadeLabel, FadeWrapperFadeLabelViewData)
public:
template <typename... Args>
explicit FadeLabel(Args&&... args)
: FadeWrapper<views::Label, FadeLabelViewData>(
std::forward<Args>(args)...) {
SetHorizontalAlignment(gfx::ALIGN_LEFT);
SetVerticalAlignment(gfx::ALIGN_TOP);
}
~FadeLabel() override = default;
// FadeWrapper:
void SetData(const FadeLabelViewData& data) override;
void SetFade(double percent) override;
// Renders the label's background in a solid color so that the label can be
// placed in front of a nother label and animate a fade out
void SetPaintBackground(bool paint_background);
// views::Label:
void OnPaintBackground(gfx::Canvas* canvas) override;
private:
// Returns a version of the text that's middle-elided on two lines.
std::u16string TruncateFilenameToTwoLines(const std::u16string& text) const;
bool paint_background_ = false;
};
using FadeView_FadeLabel_FadeLabel_FadeLabelViewData =
FadeView<FadeLabel, FadeLabel, FadeLabelViewData>;
DECLARE_TEMPLATE_METADATA(FadeView_FadeLabel_FadeLabel_FadeLabelViewData,
FadeView);
// This view overlays and fades out an old version of the text of a label,
// while displaying the new text underneath. It is used to fade out the old
// value of the title and domain labels on the hover card when the tab switches
// or the tab title changes.
class FadeLabelView : public FadeView<FadeLabel, FadeLabel, FadeLabelViewData> {
using FadeViewFadeLabel = FadeView<FadeLabel, FadeLabel, FadeLabelViewData>;
METADATA_HEADER(FadeLabelView, FadeViewFadeLabel)
public:
FadeLabelView(int num_lines,
int context,
int text_style = views::style::STYLE_PRIMARY);
~FadeLabelView() override = default;
std::u16string_view GetText() const;
void SetEnabledColor(ui::ColorId color);
};
#endif // CHROME_BROWSER_UI_VIEWS_TABS_FADE_LABEL_VIEW_H_
|
