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
|
// 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_ASH_ARC_INPUT_OVERLAY_UI_ARROW_CONTAINER_H_
#define CHROME_BROWSER_ASH_ARC_INPUT_OVERLAY_UI_ARROW_CONTAINER_H_
#include <memory>
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/view.h"
namespace gfx {
class Canvas;
class Size;
} // namespace gfx
namespace arc::input_overlay {
// ArrowContainer is a container with an arrow on left or right side.
class ArrowContainer : public views::View {
METADATA_HEADER(ArrowContainer, views::View)
public:
ArrowContainer();
ArrowContainer(const ArrowContainer&) = delete;
ArrowContainer& operator=(const ArrowContainer&) = delete;
~ArrowContainer() override;
// Set triangle wedge offset from center of the container on the height.
// - `offset` < 0, the triangle wedge is above the center.
// - `offset` > 0, the triangle wedge is below the center.
// - `offset` = 0, the triangle wedge is right on the center.
void SetArrowVerticalOffset(int offset);
// Set the triangle wedge on left or right side.
void SetArrowOnLeft(bool arrow_on_left);
private:
class ShadowLayer;
void UpdateBorder();
// views::View:
void OnPaintBackground(gfx::Canvas* canvas) override;
gfx::Size CalculatePreferredSize(
const views::SizeBounds& available_size) const override;
std::unique_ptr<ShadowLayer> shadow_layer_;
int arrow_vertical_offset_ = 0;
bool arrow_on_left_ = false;
};
} // namespace arc::input_overlay
#endif // CHROME_BROWSER_ASH_ARC_INPUT_OVERLAY_UI_ARROW_CONTAINER_H_
|
