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
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_BASE_WIN_ACCESSIBILITY_MISC_UTILS_H_
#define UI_BASE_WIN_ACCESSIBILITY_MISC_UTILS_H_
#include <atlbase.h>
#include <atlcom.h>
#include <UIAutomationCore.h>
#include "base/compiler_specific.h"
#include "base/strings/string16.h"
#include "ui/base/ui_base_export.h"
namespace base {
namespace win {
// UIA Text provider implementation for edit controls.
class UI_BASE_EXPORT UIATextProvider
: public NON_EXPORTED_BASE(CComObjectRootEx<CComMultiThreadModel>),
public IValueProvider,
public ITextProvider {
public:
BEGIN_COM_MAP(UIATextProvider)
COM_INTERFACE_ENTRY2(IUnknown, ITextProvider)
COM_INTERFACE_ENTRY(IValueProvider)
COM_INTERFACE_ENTRY(ITextProvider)
END_COM_MAP()
UIATextProvider();
// Creates an instance of the UIATextProvider class.
// Returns true on success
static bool CreateTextProvider(const string16& value,
bool editable,
IUnknown** provider);
void set_editable(bool editable) {
editable_ = editable;
}
void set_value(const string16& value) { value_ = value; }
//
// IValueProvider methods.
//
STDMETHOD(get_IsReadOnly)(BOOL* read_only);
//
// IValueProvider methods not implemented.
//
STDMETHOD(SetValue)(const wchar_t* val) {
return E_NOTIMPL;
}
STDMETHOD(get_Value)(BSTR* value);
//
// ITextProvider methods.
//
STDMETHOD(GetSelection)(SAFEARRAY** ret) {
return E_NOTIMPL;
}
STDMETHOD(GetVisibleRanges)(SAFEARRAY** ret) {
return E_NOTIMPL;
}
STDMETHOD(RangeFromChild)(IRawElementProviderSimple* child,
ITextRangeProvider** ret) {
return E_NOTIMPL;
}
STDMETHOD(RangeFromPoint)(struct UiaPoint point,
ITextRangeProvider** ret) {
return E_NOTIMPL;
}
STDMETHOD(get_DocumentRange)(ITextRangeProvider** ret) {
return E_NOTIMPL;
}
STDMETHOD(get_SupportedTextSelection)(enum SupportedTextSelection* ret) {
return E_NOTIMPL;
}
private:
bool editable_;
string16 value_;
};
} // win
} // base
#endif // UI_BASE_WIN_ACCESSIBILITY_MISC_UTILS_H_
|
