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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_ | 5 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_ |
| 6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_ | 6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_ |
| 7 | 7 |
| 8 #include <atlbase.h> | 8 #include <atlbase.h> |
| 9 #include <atlcom.h> | 9 #include <atlcom.h> |
| 10 #include <oleacc.h> | 10 #include <oleacc.h> |
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| 79 COM_INTERFACE_ENTRY(IRawElementProviderSimple) | 79 COM_INTERFACE_ENTRY(IRawElementProviderSimple) |
| 80 END_COM_MAP() | 80 END_COM_MAP() |
| 81 | 81 |
| 82 // Represents a non-static text node in IAccessibleHypertext. This character | 82 // Represents a non-static text node in IAccessibleHypertext. This character |
| 83 // is embedded in the response to IAccessibleText::get_text, indicating the | 83 // is embedded in the response to IAccessibleText::get_text, indicating the |
| 84 // position where a non-static text child object appears. | 84 // position where a non-static text child object appears. |
| 85 CONTENT_EXPORT static const char16 kEmbeddedCharacter[]; | 85 CONTENT_EXPORT static const char16 kEmbeddedCharacter[]; |
| 86 | 86 |
| 87 // Mappings from roles and states to human readable strings. Initialize | 87 // Mappings from roles and states to human readable strings. Initialize |
| 88 // with |InitializeStringMaps|. | 88 // with |InitializeStringMaps|. |
| 89 static std::map<int32, string16> role_string_map; | 89 static std::map<int32, base::string16> role_string_map; |
| 90 static std::map<int32, string16> state_string_map; | 90 static std::map<int32, base::string16> state_string_map; |
| 91 | 91 |
| 92 CONTENT_EXPORT BrowserAccessibilityWin(); | 92 CONTENT_EXPORT BrowserAccessibilityWin(); |
| 93 | 93 |
| 94 CONTENT_EXPORT virtual ~BrowserAccessibilityWin(); | 94 CONTENT_EXPORT virtual ~BrowserAccessibilityWin(); |
| 95 | 95 |
| 96 // The Windows-specific unique ID, used as the child ID for MSAA methods | 96 // The Windows-specific unique ID, used as the child ID for MSAA methods |
| 97 // like NotifyWinEvent, and as the unique ID for IAccessible2 and ISimpleDOM. | 97 // like NotifyWinEvent, and as the unique ID for IAccessible2 and ISimpleDOM. |
| 98 LONG unique_id_win() const { return unique_id_win_; } | 98 LONG unique_id_win() const { return unique_id_win_; } |
| 99 | 99 |
| 100 // | 100 // |
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| 758 | 758 |
| 759 CONTENT_EXPORT HRESULT WINAPI InternalQueryInterface( | 759 CONTENT_EXPORT HRESULT WINAPI InternalQueryInterface( |
| 760 void* this_ptr, | 760 void* this_ptr, |
| 761 const _ATL_INTMAP_ENTRY* entries, | 761 const _ATL_INTMAP_ENTRY* entries, |
| 762 REFIID iid, | 762 REFIID iid, |
| 763 void** object); | 763 void** object); |
| 764 | 764 |
| 765 // Accessors. | 765 // Accessors. |
| 766 int32 ia_role() const { return ia_role_; } | 766 int32 ia_role() const { return ia_role_; } |
| 767 int32 ia_state() const { return ia_state_; } | 767 int32 ia_state() const { return ia_state_; } |
| 768 const string16& role_name() const { return role_name_; } | 768 const base::string16& role_name() const { return role_name_; } |
| 769 int32 ia2_role() const { return ia2_role_; } | 769 int32 ia2_role() const { return ia2_role_; } |
| 770 int32 ia2_state() const { return ia2_state_; } | 770 int32 ia2_state() const { return ia2_state_; } |
| 771 const std::vector<string16>& ia2_attributes() const { | 771 const std::vector<base::string16>& ia2_attributes() const { |
| 772 return ia2_attributes_; | 772 return ia2_attributes_; |
| 773 } | 773 } |
| 774 | 774 |
| 775 private: | 775 private: |
| 776 // Add one to the reference count and return the same object. Always | 776 // Add one to the reference count and return the same object. Always |
| 777 // use this method when returning a BrowserAccessibilityWin object as | 777 // use this method when returning a BrowserAccessibilityWin object as |
| 778 // an output parameter to a COM interface, never use it otherwise. | 778 // an output parameter to a COM interface, never use it otherwise. |
| 779 BrowserAccessibilityWin* NewReference(); | 779 BrowserAccessibilityWin* NewReference(); |
| 780 | 780 |
| 781 // Many MSAA methods take a var_id parameter indicating that the operation | 781 // Many MSAA methods take a var_id parameter indicating that the operation |
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| 806 void BoolAttributeToIA2(AccessibilityNodeData::BoolAttribute attribute, | 806 void BoolAttributeToIA2(AccessibilityNodeData::BoolAttribute attribute, |
| 807 const char* ia2_attr); | 807 const char* ia2_attr); |
| 808 | 808 |
| 809 // If the int attribute |attribute| is present, add its value as an | 809 // If the int attribute |attribute| is present, add its value as an |
| 810 // IAccessible2 attribute with the name |ia2_attr|. | 810 // IAccessible2 attribute with the name |ia2_attr|. |
| 811 void IntAttributeToIA2(AccessibilityNodeData::IntAttribute attribute, | 811 void IntAttributeToIA2(AccessibilityNodeData::IntAttribute attribute, |
| 812 const char* ia2_attr); | 812 const char* ia2_attr); |
| 813 | 813 |
| 814 // Get the value text, which might come from the floating-point | 814 // Get the value text, which might come from the floating-point |
| 815 // value for some roles. | 815 // value for some roles. |
| 816 string16 GetValueText(); | 816 base::string16 GetValueText(); |
| 817 | 817 |
| 818 // Get the text of this node for the purposes of IAccessibleText - it may | 818 // Get the text of this node for the purposes of IAccessibleText - it may |
| 819 // be the name, it may be the value, etc. depending on the role. | 819 // be the name, it may be the value, etc. depending on the role. |
| 820 string16 TextForIAccessibleText(); | 820 base::string16 TextForIAccessibleText(); |
| 821 | 821 |
| 822 // If offset is a member of IA2TextSpecialOffsets this function updates the | 822 // If offset is a member of IA2TextSpecialOffsets this function updates the |
| 823 // value of offset and returns, otherwise offset remains unchanged. | 823 // value of offset and returns, otherwise offset remains unchanged. |
| 824 void HandleSpecialTextOffset(const string16& text, LONG* offset); | 824 void HandleSpecialTextOffset(const base::string16& text, LONG* offset); |
| 825 | 825 |
| 826 // Convert from a IA2TextBoundaryType to a ui::TextBoundaryType. | 826 // Convert from a IA2TextBoundaryType to a ui::TextBoundaryType. |
| 827 ui::TextBoundaryType IA2TextBoundaryToTextBoundary(IA2TextBoundaryType type); | 827 ui::TextBoundaryType IA2TextBoundaryToTextBoundary(IA2TextBoundaryType type); |
| 828 | 828 |
| 829 // Search forwards (direction == 1) or backwards (direction == -1) | 829 // Search forwards (direction == 1) or backwards (direction == -1) |
| 830 // from the given offset until the given boundary is found, and | 830 // from the given offset until the given boundary is found, and |
| 831 // return the offset of that boundary. | 831 // return the offset of that boundary. |
| 832 LONG FindBoundary(const string16& text, | 832 LONG FindBoundary(const base::string16& text, |
| 833 IA2TextBoundaryType ia2_boundary, | 833 IA2TextBoundaryType ia2_boundary, |
| 834 LONG start_offset, | 834 LONG start_offset, |
| 835 ui::TextBoundaryDirection direction); | 835 ui::TextBoundaryDirection direction); |
| 836 | 836 |
| 837 // Return a pointer to the object corresponding to the given renderer_id, | 837 // Return a pointer to the object corresponding to the given renderer_id, |
| 838 // does not make a new reference. | 838 // does not make a new reference. |
| 839 BrowserAccessibilityWin* GetFromRendererID(int32 renderer_id); | 839 BrowserAccessibilityWin* GetFromRendererID(int32 renderer_id); |
| 840 | 840 |
| 841 // Windows-specific unique ID (unique within the browser process), | 841 // Windows-specific unique ID (unique within the browser process), |
| 842 // used for get_accChild, NotifyWinEvent, and as the unique ID for | 842 // used for get_accChild, NotifyWinEvent, and as the unique ID for |
| 843 // IAccessible2 and ISimpleDOM. | 843 // IAccessible2 and ISimpleDOM. |
| 844 LONG unique_id_win_; | 844 LONG unique_id_win_; |
| 845 | 845 |
| 846 // IAccessible role and state. | 846 // IAccessible role and state. |
| 847 int32 ia_role_; | 847 int32 ia_role_; |
| 848 int32 ia_state_; | 848 int32 ia_state_; |
| 849 string16 role_name_; | 849 base::string16 role_name_; |
| 850 | 850 |
| 851 // IAccessible2 role and state. | 851 // IAccessible2 role and state. |
| 852 int32 ia2_role_; | 852 int32 ia2_role_; |
| 853 int32 ia2_state_; | 853 int32 ia2_state_; |
| 854 | 854 |
| 855 // IAccessible2 attributes. | 855 // IAccessible2 attributes. |
| 856 std::vector<string16> ia2_attributes_; | 856 std::vector<base::string16> ia2_attributes_; |
| 857 | 857 |
| 858 // True in Initialize when the object is first created, and false | 858 // True in Initialize when the object is first created, and false |
| 859 // subsequent times. | 859 // subsequent times. |
| 860 bool first_time_; | 860 bool first_time_; |
| 861 | 861 |
| 862 // The previous text, before the last update to this object. | 862 // The previous text, before the last update to this object. |
| 863 string16 previous_text_; | 863 base::string16 previous_text_; |
| 864 | 864 |
| 865 // The old text to return in IAccessibleText::get_oldText - this is like | 865 // The old text to return in IAccessibleText::get_oldText - this is like |
| 866 // previous_text_ except that it's NOT updated when the object | 866 // previous_text_ except that it's NOT updated when the object |
| 867 // is initialized again but the text doesn't change. | 867 // is initialized again but the text doesn't change. |
| 868 string16 old_text_; | 868 base::string16 old_text_; |
| 869 | 869 |
| 870 // The previous state, used to see if there was a state change. | 870 // The previous state, used to see if there was a state change. |
| 871 int32 old_ia_state_; | 871 int32 old_ia_state_; |
| 872 | 872 |
| 873 // Relationships between this node and other nodes. | 873 // Relationships between this node and other nodes. |
| 874 std::vector<BrowserAccessibilityRelation*> relations_; | 874 std::vector<BrowserAccessibilityRelation*> relations_; |
| 875 | 875 |
| 876 // The text of this node including embedded hyperlink characters. | 876 // The text of this node including embedded hyperlink characters. |
| 877 string16 hypertext_; | 877 base::string16 hypertext_; |
| 878 | 878 |
| 879 // Maps the |hypertext_| embedded character offset to an index in | 879 // Maps the |hypertext_| embedded character offset to an index in |
| 880 // |hyperlinks_|. | 880 // |hyperlinks_|. |
| 881 std::map<int32, int32> hyperlink_offset_to_index_; | 881 std::map<int32, int32> hyperlink_offset_to_index_; |
| 882 | 882 |
| 883 // Collection of non-static text child indicies, each of which corresponds to | 883 // Collection of non-static text child indicies, each of which corresponds to |
| 884 // a hyperlink. | 884 // a hyperlink. |
| 885 std::vector<int32> hyperlinks_; | 885 std::vector<int32> hyperlinks_; |
| 886 | 886 |
| 887 // The next unique id to use. | 887 // The next unique id to use. |
| 888 static LONG next_unique_id_win_; | 888 static LONG next_unique_id_win_; |
| 889 | 889 |
| 890 // Give BrowserAccessibility::Create access to our constructor. | 890 // Give BrowserAccessibility::Create access to our constructor. |
| 891 friend class BrowserAccessibility; | 891 friend class BrowserAccessibility; |
| 892 friend class BrowserAccessibilityRelation; | 892 friend class BrowserAccessibilityRelation; |
| 893 | 893 |
| 894 DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityWin); | 894 DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityWin); |
| 895 }; | 895 }; |
| 896 | 896 |
| 897 } // namespace content | 897 } // namespace content |
| 898 | 898 |
| 899 #endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_ | 899 #endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_ |
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