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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_DATE_TIME_NUMERIC_FIELD_ELEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_DATE_TIME_NUMERIC_FIELD_ELEMENT_H_
#include "base/macros.h"
#include "third_party/blink/renderer/core/html/forms/date_time_field_element.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/text/string_builder.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
// DateTimeNumericFieldElement represents numeric field of date time format,
// such as:
// - hour
// - minute
// - millisecond
// - second
// - year
class DateTimeNumericFieldElement : public DateTimeFieldElement {
public:
struct Step {
DISALLOW_NEW();
Step(int step = 1, int step_base = 0) : step(step), step_base(step_base) {}
int step;
int step_base;
};
struct Range {
DISALLOW_NEW();
Range(int minimum, int maximum) : minimum(minimum), maximum(maximum) {}
int ClampValue(int) const;
bool IsInRange(int) const;
bool IsSingleton() const { return minimum == maximum; }
int minimum;
int maximum;
};
protected:
DateTimeNumericFieldElement(Document&,
FieldOwner&,
DateTimeField,
const Range&,
const Range& hard_limits,
const String& placeholder,
const Step& = Step());
int ClampValue(int value) const { return range_.ClampValue(value); }
virtual int DefaultValueForStepDown() const;
virtual int DefaultValueForStepUp() const;
const Range& GetRange() const { return range_; }
// DateTimeFieldElement functions.
bool HasValue() const final;
void Initialize(const AtomicString& pseudo, const String& ax_help_text);
int Maximum() const;
String Placeholder() const override;
void SetEmptyValue(EventBehavior = kDispatchNoEvent) final;
void SetValueAsInteger(int, EventBehavior = kDispatchNoEvent) override;
int ValueAsInteger() const final;
String VisibleValue() const final;
private:
// DateTimeFieldElement functions.
void HandleKeyboardEvent(KeyboardEvent&) final;
float MaximumWidth(const ComputedStyle&) override;
void StepDown() final;
void StepUp() final;
String Value() const final;
// Node functions.
void SetFocused(bool, mojom::blink::FocusType) final;
String FormatValue(int) const;
int RoundUp(int) const;
int RoundDown(int) const;
int TypeAheadValue() const;
const String placeholder_;
const Range range_;
const Range hard_limits_;
const Step step_;
int value_;
bool has_value_;
mutable StringBuilder type_ahead_buffer_;
DISALLOW_COPY_AND_ASSIGN(DateTimeNumericFieldElement);
};
} // namespace blink
#endif
|
