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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla-config.h"
#include "AccessibleHandler.h"
#include "HandlerDataUUID.h"
import "ocidl.idl";
import "servprov.idl";
import "Accessible2_3.idl";
import "AccessibleHypertext2.idl";
import "AccessibleHyperlink.idl";
import "AccessibleTable.idl";
import "AccessibleTable2.idl";
import "AccessibleTableCell.idl";
typedef struct _StaticIA2Data
{
NEWEST_IA2_INTERFACE* mIA2;
IAccessibleHypertext2* mIAHypertext;
IAccessibleHyperlink* mIAHyperlink;
IAccessibleTable* mIATable;
IAccessibleTable2* mIATable2;
IAccessibleTableCell* mIATableCell;
} StaticIA2Data;
typedef struct _DynamicIA2Data
{
// From IAccessible/IAccessible2
VARIANT mRole;
long mState;
long mChildCount;
long mIA2Role;
AccessibleStates mIA2States;
long mLeft;
long mTop;
long mWidth;
long mHeight;
long mHwnd;
BSTR mKeyboardShortcut;
BSTR mName;
BSTR mDescription;
BSTR mDefaultAction;
BSTR mValue;
BSTR mAttributes;
IA2Locale mIA2Locale;
// From IAccessibleAction
long mNActions;
// From IAccessibleTableCell
long mRowIndex;
long mColumnIndex;
long mRowExtent;
long mColumnExtent;
boolean mCellIsSelected;
long mNRowHeaderCells;
[size_is(mNRowHeaderCells)] long* mRowHeaderCellIds;
long mNColumnHeaderCells;
[size_is(mNColumnHeaderCells)] long* mColumnHeaderCellIds;
// From IAccessible2
long mUniqueId;
} DynamicIA2Data;
interface IGeckoBackChannel;
[uuid(2b0e83b3-fd1a-443f-9ed6-c00d39055b58)]
interface HandlerData
{
typedef struct _IA2Payload
{
StaticIA2Data mStaticData;
DynamicIA2Data mDynamicData;
IGeckoBackChannel* mGeckoBackChannel;
} IA2Payload;
}
[object,
uuid(IHANDLERCONTROL_IID),
async_uuid(ASYNCIHANDLERCONTROL_IID),
pointer_default(unique)]
interface IHandlerControl : IUnknown
{
HRESULT Invalidate();
HRESULT OnTextChange([in] long aHwnd, [in] long aIA2UniqueId,
[in] VARIANT_BOOL aIsInsert,
[in] IA2TextSegment* aText);
HRESULT SuppressA11yForClipboardCopy();
}
typedef struct _IARelationData
{
BSTR mType;
long mNTargets;
} IARelationData;
typedef struct _AccChildData
{
NEWEST_IA2_INTERFACE* mAccessible;
BSTR mText;
long mTextRole;
long mTextId;
long mTextState;
long mTextLeft;
long mTextTop;
long mTextWidth;
long mTextHeight;
} AccChildData;
[object,
uuid(IGECKOBACKCHANNEL_IID),
pointer_default(unique)]
interface IGeckoBackChannel : IUnknown
{
[propput] HRESULT HandlerControl([in] long aPid, [in] IHandlerControl* aCtrl);
HRESULT Refresh([out] DynamicIA2Data* aOutData);
[propget] HRESULT AllTextInfo([out] BSTR* aText,
[out, size_is(,*aNHyperlinks)] IAccessibleHyperlink*** aHyperlinks,
[out] long* aNHyperlinks,
[out, size_is(,*aNAttribRuns)] IA2TextSegment** aAttribRuns,
[out] long* aNAttribRuns);
[propget] HRESULT RelationsInfo(
[out, size_is(,*aNRelations)] IARelationData** aRelations,
[out] long* aNRelations);
[propget] HRESULT AllChildren(
[out, size_is(,*aNChildren)] AccChildData** aChildren,
[out] ULONG* aNChildren);
}
[uuid(1e545f07-f108-4912-9471-546827a80983)]
library AccessibleHandlerTypeLib
{
importlib("stdole2.tlb");
/**
* This definition is required in order for the handler implementation to
* support IDispatch (aka Automation). This is used by interpreted language
* FFIs to discover which interfaces may be controlled via IDispatch.
* (In particular, the python FFI used by NVDA needs this).
*
* In reality, the only a11y interface that is Automation compliant is
* IAccessible; our remaining interfaces are not.
*
* Once the FFI knows that IAccessible is supported, the FFI queries for
* IAccessible and is then able to resolve non-automation interfaces from
* there.
*/
[uuid(HANDLER_CLSID)]
coclass AccessibleHandler
{
[default] interface IAccessible;
};
};
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