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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"
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;
// We define different CLSIDs and IIDs depending on channel and officiality.
// This prevents handlers from installing overtop one another when multiple
// channels are present. Note that we do not do this for all UUIDs in this IDL,
// just the ones that are written to the registry (coclass and interfaces that
// have the [object] annotation)
#if defined(USE_LOCAL_UUID)
# if defined(DEBUG)
// Local debug builds
# define HANDLER_CLSID 398ffd8d-5382-48f7-9e3b-19012762d39a
# define IHANDLERCONTROL_IID a218497e-8b10-460b-b668-a92b7ee39ff2
# define ASYNCIHANDLERCONTROL_IID ca18b9ab-04b6-41be-87f7-d99913d6a2e8
# define IGECKOBACKCHANNEL_IID 231c4946-4479-4c8e-aadc-8a0e48fc4c51
# else
// Local non-debug builds
# define HANDLER_CLSID ce573faf-7815-4fc2-a031-b092268ace9e
# define IHANDLERCONTROL_IID 2b715cce-1790-4fe1-aef5-48bb5acdf3a1
# define ASYNCIHANDLERCONTROL_IID 8e089670-4f57-41a7-89c0-37f17482fa6f
# define IGECKOBACKCHANNEL_IID 18e2488d-310f-400f-8339-0e50b513e801
# endif
#elif defined(NIGHTLY_BUILD)
// Nightly Builds
# define IHANDLERCONTROL_IID c57343fc-e011-40c2-b748-da82eabf0f1f
# define ASYNCIHANDLERCONTROL_IID 648c92a1-ea35-46da-a806-6b55c6247373
# define HANDLER_CLSID 4629216b-8753-41bf-9527-5bff51401671
# define IGECKOBACKCHANNEL_IID e61e038d-40dd-464a-9aba-66b206b6911b
#elif defined(USE_BETA_UUID)
// Beta Builds
# define IHANDLERCONTROL_IID 119149fa-d212-4f22-9517-082eecc1a084
# define ASYNCIHANDLERCONTROL_IID 4e253d9b-59cf-4b32-a973-38bc85495d61
# define HANDLER_CLSID 21e9f98d-a6c9-4cb5-b288-ae2fd2a96c58
# define IGECKOBACKCHANNEL_IID 77b75c7d-d1c2-4469-864d-31aaebb67cc6
#elif defined(RELEASE_OR_BETA)
// Release Builds
# define IHANDLERCONTROL_IID ce30f77e-8847-44f0-a648-a9656bd89c0d
# define ASYNCIHANDLERCONTROL_IID dca8d857-1a63-4045-8f36-8809eb093d04
# define HANDLER_CLSID 1baa303d-b4b9-45e5-9ccb-e3fca3e274b6
# define IGECKOBACKCHANNEL_IID b32983ff-ef84-4945-8f86-fb7491b4f57b
#else
// Catch-all
# define IHANDLERCONTROL_IID 3316ce35-f892-4832-97c5-06c52c03cdba
# define ASYNCIHANDLERCONTROL_IID 15b48b76-ad38-4ad3-bd1a-d3c48a5a9947
# define HANDLER_CLSID 4a195748-dca2-45fb-9295-0a139e76a9e7
# define IGECKOBACKCHANNEL_IID dd2e4a89-999e-4d65-8b65-440c923ddb61
#endif
[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);
}
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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