| Index: webkit/glue/webaccessibility.h
|
| ===================================================================
|
| --- webkit/glue/webaccessibility.h (revision 0)
|
| +++ webkit/glue/webaccessibility.h (revision 0)
|
| @@ -0,0 +1,155 @@
|
| +// Copyright (c) 2006-2008 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 WEBKIT_GLUE_WEBACCESSIBILITY_H_
|
| +#define WEBKIT_GLUE_WEBACCESSIBILITY_H_
|
| +
|
| +#include "base/string16.h"
|
| +
|
| +namespace webkit_glue {
|
| +
|
| +class WebAccessibility {
|
| + public:
|
| + // This defines an enumeration of IDs that can uniquely identify a call to a
|
| + // specific accessibility information function. Should match the support
|
| + // implemented in WebKit and GlueAccessibilityObject (functions marked with
|
| + // return value E_NOTIMPL in WebKit are also excluded).
|
| + enum Function {
|
| + FUNCTION_NONE = 0,
|
| +
|
| + // Supported accessibility information retrieval functions.
|
| + FUNCTION_DODEFAULTACTION,
|
| + FUNCTION_HITTEST,
|
| + FUNCTION_LOCATION,
|
| + FUNCTION_NAVIGATE,
|
| + FUNCTION_GETCHILD,
|
| + FUNCTION_CHILDCOUNT,
|
| + FUNCTION_DEFAULTACTION,
|
| + FUNCTION_DESCRIPTION,
|
| + FUNCTION_GETFOCUSEDCHILD,
|
| + FUNCTION_HELPTEXT,
|
| + FUNCTION_KEYBOARDSHORTCUT,
|
| + FUNCTION_NAME,
|
| + FUNCTION_GETPARENT,
|
| + FUNCTION_ROLE,
|
| + FUNCTION_STATE,
|
| + FUNCTION_VALUE
|
| +
|
| + // The deprecated put_accName and put_accValue (IAccessible) are not
|
| + // supported here, nor is accSelect, get_accHelpTopic and get_accSelection
|
| + // (matching WebKit's support for IAccessible).
|
| + };
|
| +
|
| + // This defines an enumeration of navigation directions based on (but
|
| + // independent of) the MSAA Navigation Constants. However, to avoid the use of
|
| + // COM in our Glue layer, we use this as a substitute with a one-to-one
|
| + // conversion between Browser side (has COM) and Glue.
|
| + enum Direction {
|
| + DIRECTION_NONE = 0,
|
| +
|
| + // Valid directions.
|
| + DIRECTION_UP,
|
| + DIRECTION_DOWN,
|
| + DIRECTION_LEFT,
|
| + DIRECTION_RIGHT,
|
| + DIRECTION_NEXT,
|
| + DIRECTION_PREVIOUS,
|
| + DIRECTION_FIRSTCHILD,
|
| + DIRECTION_LASTCHILD
|
| + };
|
| +
|
| + // This defines an enumeration of the supported accessibility roles in our
|
| + // Glue layer (used in GlueAccessibilityObject::Role). Any interface using
|
| + // roles must provide a conversion to its own roles (see e.g.
|
| + // BrowserAccessibility::get_accRole and BrowserAccessibility::MSAARole).
|
| + enum Role {
|
| + ROLE_PUSHBUTTON,
|
| + ROLE_RADIOBUTTON,
|
| + ROLE_CHECKBUTTON,
|
| + ROLE_SLIDER,
|
| + ROLE_PAGETABLIST,
|
| + ROLE_TEXT,
|
| + ROLE_STATICTEXT,
|
| + ROLE_OUTLINE,
|
| + ROLE_COLUMN,
|
| + ROLE_ROW,
|
| + ROLE_GROUPING,
|
| + ROLE_LIST,
|
| + ROLE_TABLE,
|
| + ROLE_LINK,
|
| + ROLE_GRAPHIC,
|
| + ROLE_CLIENT
|
| + };
|
| +
|
| + // This defines an enumeration of the supported accessibility states in our
|
| + // Glue layer (used in GlueAccessibilityObject::State). Any interface using
|
| + // states must provide a conversion to its own states (see e.g.
|
| + // BrowserAccessibility::get_accState and BrowserAccessibility::MSAAState).
|
| + enum State {
|
| + STATE_LINKED,
|
| + STATE_HOTTRACKED,
|
| + STATE_UNAVAILABLE,
|
| + STATE_READONLY,
|
| + STATE_OFFSCREEN,
|
| + STATE_MULTISELECTABLE,
|
| + STATE_PROTECTED,
|
| + STATE_INDETERMINATE,
|
| + STATE_CHECKED,
|
| + STATE_PRESSED,
|
| + STATE_FOCUSED,
|
| + STATE_TRAVERSED,
|
| + STATE_FOCUSABLE
|
| + };
|
| +
|
| + // Parameters structure to hold a union of the possible accessibility function
|
| + // INPUT variables, with the unused fields always set to default value. Used
|
| + // in ViewMsg_GetAccessibilityInfo, as only parameter.
|
| + struct InParams {
|
| + // Identifier to uniquely distinguish which instance of accessibility
|
| + // information is being called upon on the renderer side.
|
| + int object_id;
|
| +
|
| + // Identifier to resolve which accessibility information retrieval function
|
| + // is being called.
|
| + int function_id;
|
| +
|
| + // Id of accessible child, whose information is being requested.
|
| + int child_id;
|
| +
|
| + // LONG input parameters, used differently depending on the function called.
|
| + long input_long1;
|
| + long input_long2;
|
| + };
|
| +
|
| + // Parameters structure to hold a union of the possible accessibility function
|
| + // OUTPUT variables, with the unused fields always set to default value. Used
|
| + // in ViewHostMsg_GetAccessibilityInfoResponse, as only parameter.
|
| + struct OutParams {
|
| + // Identifier to uniquely distinguish which instance of accessibility
|
| + // information is being called upon on the renderer side.
|
| + int object_id;
|
| +
|
| + // LONG output parameters, used differently depending on the function
|
| + // called. [output_long1] can in some cases be set to -1 to indicate that
|
| + // the child object found by the called IAccessible function is not a simple
|
| + // object.
|
| + long output_long1;
|
| + long output_long2;
|
| + long output_long3;
|
| + long output_long4;
|
| +
|
| + // String output parameter.
|
| + string16 output_string;
|
| +
|
| + // Return code, either true (MSAA S_OK) or false (MSAA S_FALSE).
|
| + // Interface-specific error return codes (e.g. MSAA's E_POINTER,
|
| + // E_INVALIDARG, E_FAIL, E_NOTIMPL) must be handled on the browser side by
|
| + // input validation.
|
| + bool return_code;
|
| + };
|
| +};
|
| +
|
| +} // namespace webkit_glue
|
| +
|
| +#endif // WEBKIT_GLUE_WEBACCESSIBILITY_H_
|
|
|
| Property changes on: webkit\glue\webaccessibility.h
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|