Index: views/accessibility/native_view_accessibility_win.h |
diff --git a/views/accessibility/native_view_accessibility_win.h b/views/accessibility/native_view_accessibility_win.h |
deleted file mode 100644 |
index 854f0233421a7a16b09a2975ad0ad11a35f5c943..0000000000000000000000000000000000000000 |
--- a/views/accessibility/native_view_accessibility_win.h |
+++ /dev/null |
@@ -1,355 +0,0 @@ |
-// Copyright (c) 2011 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 VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_WIN_H_ |
-#define VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_WIN_H_ |
-#pragma once |
- |
-#include <atlbase.h> |
-#include <atlcom.h> |
- |
-#include <oleacc.h> |
- |
-#include "base/memory/scoped_ptr.h" |
-#include "third_party/iaccessible2/ia2_api_all.h" |
-#include "ui/base/accessibility/accessible_view_state.h" |
-#include "views/controls/native/native_view_host.h" |
-#include "views/view.h" |
- |
-namespace ui { |
-enum TextBoundaryDirection; |
-enum TextBoundaryType; |
-} |
- |
-// Note: do not put NativeViewAccessibilityWin in the namespace "views"; |
-// Visual Studio 2005 does not allow an ATL::CComObject symbol in a namespace. |
- |
-//////////////////////////////////////////////////////////////////////////////// |
-// |
-// NativeViewAccessibilityWin |
-// |
-// Class implementing the MSAA IAccessible COM interface for a generic View, |
-// providing accessibility to be used by screen readers and other assistive |
-// technology (AT). |
-// |
-//////////////////////////////////////////////////////////////////////////////// |
-class __declspec(uuid("26f5641a-246d-457b-a96d-07f3fae6acf2")) |
-NativeViewAccessibilityWin |
- : public CComObjectRootEx<CComMultiThreadModel>, |
- public IDispatchImpl<IAccessible2, &IID_IAccessible2, |
- &LIBID_IAccessible2Lib>, |
- public IAccessibleText, |
- public IServiceProvider { |
- public: |
- BEGIN_COM_MAP(NativeViewAccessibilityWin) |
- COM_INTERFACE_ENTRY2(IDispatch, IAccessible2) |
- COM_INTERFACE_ENTRY2(IAccessible, IAccessible2) |
- COM_INTERFACE_ENTRY(IAccessible2) |
- COM_INTERFACE_ENTRY(IAccessibleText) |
- COM_INTERFACE_ENTRY(IServiceProvider) |
- END_COM_MAP() |
- |
- // Create method for view accessibility. |
- static scoped_refptr<NativeViewAccessibilityWin> Create(views::View* view); |
- |
- virtual ~NativeViewAccessibilityWin(); |
- |
- void set_view(views::View* view) { view_ = view; } |
- |
- // Supported IAccessible methods. |
- |
- // Retrieves the child element or child object at a given point on the screen. |
- STDMETHODIMP accHitTest(LONG x_left, LONG y_top, VARIANT* child); |
- |
- // Performs the object's default action. |
- STDMETHODIMP accDoDefaultAction(VARIANT var_id); |
- |
- // Retrieves the specified object's current screen location. |
- STDMETHODIMP accLocation(LONG* x_left, |
- LONG* y_top, |
- LONG* width, |
- LONG* height, |
- VARIANT var_id); |
- |
- // Traverses to another UI element and retrieves the object. |
- STDMETHODIMP accNavigate(LONG nav_dir, VARIANT start, VARIANT* end); |
- |
- // Retrieves an IDispatch interface pointer for the specified child. |
- STDMETHODIMP get_accChild(VARIANT var_child, IDispatch** disp_child); |
- |
- // Retrieves the number of accessible children. |
- STDMETHODIMP get_accChildCount(LONG* child_count); |
- |
- // Retrieves a string that describes the object's default action. |
- STDMETHODIMP get_accDefaultAction(VARIANT var_id, BSTR* default_action); |
- |
- // Retrieves the tooltip description. |
- STDMETHODIMP get_accDescription(VARIANT var_id, BSTR* desc); |
- |
- // Retrieves the object that has the keyboard focus. |
- STDMETHODIMP get_accFocus(VARIANT* focus_child); |
- |
- // Retrieves the specified object's shortcut. |
- STDMETHODIMP get_accKeyboardShortcut(VARIANT var_id, BSTR* access_key); |
- |
- // Retrieves the name of the specified object. |
- STDMETHODIMP get_accName(VARIANT var_id, BSTR* name); |
- |
- // Retrieves the IDispatch interface of the object's parent. |
- STDMETHODIMP get_accParent(IDispatch** disp_parent); |
- |
- // Retrieves information describing the role of the specified object. |
- STDMETHODIMP get_accRole(VARIANT var_id, VARIANT* role); |
- |
- // Retrieves the current state of the specified object. |
- STDMETHODIMP get_accState(VARIANT var_id, VARIANT* state); |
- |
- // Retrieves the current value associated with the specified object. |
- STDMETHODIMP get_accValue(VARIANT var_id, BSTR* value); |
- |
- // Non-supported IAccessible methods. |
- |
- // Selections not applicable to views. |
- STDMETHODIMP get_accSelection(VARIANT* selected); |
- STDMETHODIMP accSelect(LONG flags_sel, VARIANT var_id); |
- |
- // Help functions not supported. |
- STDMETHODIMP get_accHelp(VARIANT var_id, BSTR* help); |
- STDMETHODIMP get_accHelpTopic(BSTR* help_file, |
- VARIANT var_id, |
- LONG* topic_id); |
- |
- // Deprecated functions, not implemented here. |
- STDMETHODIMP put_accName(VARIANT var_id, BSTR put_name); |
- STDMETHODIMP put_accValue(VARIANT var_id, BSTR put_val); |
- |
- // |
- // IAccessible2 |
- // |
- |
- STDMETHODIMP role(LONG* role); |
- |
- STDMETHODIMP get_states(AccessibleStates* states); |
- |
- STDMETHODIMP get_uniqueID(LONG* unique_id); |
- |
- STDMETHODIMP get_windowHandle(HWND* window_handle); |
- |
- // |
- // IAccessible2 methods not implemented. |
- // |
- |
- STDMETHODIMP get_attributes(BSTR* attributes) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_indexInParent(LONG* index_in_parent) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_extendedRole(BSTR* extended_role) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_nRelations(LONG* n_relations) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_relation(LONG relation_index, |
- IAccessibleRelation** relation) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_relations(LONG max_relations, |
- IAccessibleRelation** relations, |
- LONG* n_relations) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP scrollTo(enum IA2ScrollType scroll_type) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP scrollToPoint( |
- enum IA2CoordinateType coordinate_type, |
- LONG x, |
- LONG y) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_groupPosition(LONG* group_level, |
- LONG* similar_items_in_group, |
- LONG* position_in_group) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_localizedExtendedRole( |
- BSTR* localized_extended_role) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_nExtendedStates(LONG* n_extended_states) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_extendedStates(LONG max_extended_states, |
- BSTR** extended_states, |
- LONG* n_extended_states) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_localizedExtendedStates( |
- LONG max_localized_extended_states, |
- BSTR** localized_extended_states, |
- LONG* n_localized_extended_states) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_locale(IA2Locale* locale) { |
- return E_NOTIMPL; |
- } |
- |
- // |
- // IAccessibleText methods. |
- // |
- |
- STDMETHODIMP get_nCharacters(LONG* n_characters); |
- |
- STDMETHODIMP get_caretOffset(LONG* offset); |
- |
- STDMETHODIMP get_nSelections(LONG* n_selections); |
- |
- STDMETHODIMP get_selection(LONG selection_index, |
- LONG* start_offset, |
- LONG* end_offset); |
- |
- STDMETHODIMP get_text(LONG start_offset, LONG end_offset, BSTR* text); |
- |
- STDMETHODIMP get_textAtOffset(LONG offset, |
- enum IA2TextBoundaryType boundary_type, |
- LONG* start_offset, LONG* end_offset, |
- BSTR* text); |
- |
- STDMETHODIMP get_textBeforeOffset(LONG offset, |
- enum IA2TextBoundaryType boundary_type, |
- LONG* start_offset, LONG* end_offset, |
- BSTR* text); |
- |
- STDMETHODIMP get_textAfterOffset(LONG offset, |
- enum IA2TextBoundaryType boundary_type, |
- LONG* start_offset, LONG* end_offset, |
- BSTR* text); |
- |
- STDMETHODIMP get_offsetAtPoint(LONG x, LONG y, |
- enum IA2CoordinateType coord_type, |
- LONG* offset); |
- |
- // |
- // IAccessibleText methods not implemented. |
- // |
- |
- STDMETHODIMP get_newText(IA2TextSegment* new_text) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_oldText(IA2TextSegment* old_text) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP addSelection(LONG start_offset, LONG end_offset) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_attributes(LONG offset, |
- LONG* start_offset, |
- LONG* end_offset, |
- BSTR* text_attributes) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP get_characterExtents(LONG offset, |
- enum IA2CoordinateType coord_type, |
- LONG* x, LONG* y, |
- LONG* width, LONG* height) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP removeSelection(LONG selection_index) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP setCaretOffset(LONG offset) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP setSelection(LONG selection_index, |
- LONG start_offset, |
- LONG end_offset) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP scrollSubstringTo(LONG start_index, |
- LONG end_index, |
- enum IA2ScrollType scroll_type) { |
- return E_NOTIMPL; |
- } |
- STDMETHODIMP scrollSubstringToPoint(LONG start_index, |
- LONG end_index, |
- enum IA2CoordinateType coordinate_type, |
- LONG x, LONG y) { |
- return E_NOTIMPL; |
- } |
- |
- // |
- // IServiceProvider methods. |
- // |
- |
- STDMETHODIMP QueryService(REFGUID guidService, REFIID riid, void** object); |
- |
- // Returns a conversion from the event (as defined in accessibility_types.h) |
- // to an MSAA event. |
- static int32 MSAAEvent(ui::AccessibilityTypes::Event event); |
- |
- // Returns a conversion from the Role (as defined in accessibility_types.h) |
- // to an MSAA role. |
- static int32 MSAARole(ui::AccessibilityTypes::Role role); |
- |
- // Returns a conversion from the State (as defined in accessibility_types.h) |
- // to MSAA states set. |
- static int32 MSAAState(ui::AccessibilityTypes::State state); |
- |
- private: |
- NativeViewAccessibilityWin(); |
- |
- // Determines navigation direction for accNavigate, based on left, up and |
- // previous being mapped all to previous and right, down, next being mapped |
- // to next. Returns true if navigation direction is next, false otherwise. |
- bool IsNavDirNext(int nav_dir) const; |
- |
- // Determines if the navigation target is within the allowed bounds. Returns |
- // true if it is, false otherwise. |
- bool IsValidNav(int nav_dir, |
- int start_id, |
- int lower_bound, |
- int upper_bound) const; |
- |
- // Determines if the child id variant is valid. |
- bool IsValidId(const VARIANT& child) const; |
- |
- // Helper function which sets applicable states of view. |
- void SetState(VARIANT* msaa_state, views::View* view); |
- |
- // Return the text to use for IAccessibleText. |
- string16 TextForIAccessibleText(); |
- |
- // If offset is a member of IA2TextSpecialOffsets this function updates the |
- // value of offset and returns, otherwise offset remains unchanged. |
- void HandleSpecialTextOffset(const string16& text, LONG* offset); |
- |
- // Convert from a IA2TextBoundaryType to a ui::TextBoundaryType. |
- ui::TextBoundaryType IA2TextBoundaryToTextBoundary(IA2TextBoundaryType type); |
- |
- // Search forwards (direction == 1) or backwards (direction == -1) |
- // from the given offset until the given boundary is found, and |
- // return the offset of that boundary. |
- LONG FindBoundary(const string16& text, |
- IA2TextBoundaryType ia2_boundary, |
- LONG start_offset, |
- ui::TextBoundaryDirection direction); |
- |
- // Give CComObject access to the class constructor. |
- template <class Base> friend class CComObject; |
- |
- // Member View needed for view-specific calls. |
- views::View* view_; |
- |
- // A unique id for each object, needed for IAccessible2. |
- long unique_id_; |
- |
- // Next unique id to assign. |
- static long next_unique_id_; |
- |
- DISALLOW_COPY_AND_ASSIGN(NativeViewAccessibilityWin); |
-}; |
- |
-#endif // VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_WIN_H_ |