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Unified Diff: views/accessibility/native_view_accessibility_win.h

Issue 8533010: views: Move accessibility/ directory to ui/views/. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 9 years, 1 month ago
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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_
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