| // 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_ |