/*

 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @(#)AccessBridgeCalls.c      1.25 05/08/22

 */

/*

 * Wrapper functions around calls to the AccessBridge DLL

 */

#include <windows.h>

#include <jni.h>

//#define ACCESSBRIDGE_32

//#define ACCESSBRIDGE_64

#include "AccessBridgeCalls.h"

#include "AccessBridgeDebug.h"

#ifdef __cplusplus

extern "C" {

#endif

    HINSTANCE theAccessBridgeInstance;

    AccessBridgeFPs theAccessBridge;

    BOOL theAccessBridgeInitializedFlag = FALSE;

#define LOAD_FP(result, type, name) \

    PrintDebugString("LOAD_FP loading: %s ...", name); \

    if ((theAccessBridge.result = \

        (type) GetProcAddress(theAccessBridgeInstance, name)) == (type) 0) { \

        PrintDebugString("LOAD_FP failed: %s", name); \

        return FALSE; \

    }

    BOOL initializeAccessBridge() {

#ifdef ACCESSBRIDGE_ARCH_32 // For 32bit AT new bridge

        theAccessBridgeInstance = LoadLibrary("WINDOWSACCESSBRIDGE-32");

#else

#ifdef ACCESSBRIDGE_ARCH_64 // For 64bit AT new bridge

                theAccessBridgeInstance = LoadLibrary("WINDOWSACCESSBRIDGE-64");

#else // legacy

        theAccessBridgeInstance = LoadLibrary("WINDOWSACCESSBRIDGE");

#endif

#endif

        if (theAccessBridgeInstance != 0) {

            LOAD_FP(Windows_run, Windows_runFP, "Windows_run");

            LOAD_FP(SetJavaShutdown, SetJavaShutdownFP, "setJavaShutdownFP");

            LOAD_FP(SetFocusGained, SetFocusGainedFP, "setFocusGainedFP");

            LOAD_FP(SetFocusLost, SetFocusLostFP, "setFocusLostFP");

            LOAD_FP(SetCaretUpdate, SetCaretUpdateFP, "setCaretUpdateFP");

            LOAD_FP(SetMouseClicked, SetMouseClickedFP, "setMouseClickedFP");

            LOAD_FP(SetMouseEntered, SetMouseEnteredFP, "setMouseEnteredFP");

            LOAD_FP(SetMouseExited, SetMouseExitedFP, "setMouseExitedFP");

            LOAD_FP(SetMousePressed, SetMousePressedFP, "setMousePressedFP");

            LOAD_FP(SetMouseReleased, SetMouseReleasedFP, "setMouseReleasedFP");

            LOAD_FP(SetMenuCanceled, SetMenuCanceledFP, "setMenuCanceledFP");

            LOAD_FP(SetMenuDeselected, SetMenuDeselectedFP, "setMenuDeselectedFP");

            LOAD_FP(SetMenuSelected, SetMenuSelectedFP, "setMenuSelectedFP");

            LOAD_FP(SetPopupMenuCanceled, SetPopupMenuCanceledFP, "setPopupMenuCanceledFP");

            LOAD_FP(SetPopupMenuWillBecomeInvisible, SetPopupMenuWillBecomeInvisibleFP, "setPopupMenuWillBecomeInvisibleFP");

            LOAD_FP(SetPopupMenuWillBecomeVisible, SetPopupMenuWillBecomeVisibleFP, "setPopupMenuWillBecomeVisibleFP");

            LOAD_FP(SetPropertyNameChange, SetPropertyNameChangeFP, "setPropertyNameChangeFP");

            LOAD_FP(SetPropertyDescriptionChange, SetPropertyDescriptionChangeFP, "setPropertyDescriptionChangeFP");

            LOAD_FP(SetPropertyStateChange, SetPropertyStateChangeFP, "setPropertyStateChangeFP");

            LOAD_FP(SetPropertyValueChange, SetPropertyValueChangeFP, "setPropertyValueChangeFP");

            LOAD_FP(SetPropertySelectionChange, SetPropertySelectionChangeFP, "setPropertySelectionChangeFP");

            LOAD_FP(SetPropertyTextChange, SetPropertyTextChangeFP, "setPropertyTextChangeFP");

            LOAD_FP(SetPropertyCaretChange, SetPropertyCaretChangeFP, "setPropertyCaretChangeFP");

            LOAD_FP(SetPropertyVisibleDataChange, SetPropertyVisibleDataChangeFP, "setPropertyVisibleDataChangeFP");

            LOAD_FP(SetPropertyChildChange, SetPropertyChildChangeFP, "setPropertyChildChangeFP");

            LOAD_FP(SetPropertyActiveDescendentChange, SetPropertyActiveDescendentChangeFP, "setPropertyActiveDescendentChangeFP");

            LOAD_FP(SetPropertyTableModelChange, SetPropertyTableModelChangeFP, "setPropertyTableModelChangeFP");

            LOAD_FP(ReleaseJavaObject, ReleaseJavaObjectFP, "releaseJavaObject");

            LOAD_FP(GetVersionInfo, GetVersionInfoFP, "getVersionInfo");

            LOAD_FP(IsJavaWindow, IsJavaWindowFP, "isJavaWindow");

            LOAD_FP(IsSameObject, IsSameObjectFP, "isSameObject");

            LOAD_FP(GetAccessibleContextFromHWND, GetAccessibleContextFromHWNDFP, "getAccessibleContextFromHWND");

            LOAD_FP(getHWNDFromAccessibleContext, getHWNDFromAccessibleContextFP, "getHWNDFromAccessibleContext");

            LOAD_FP(GetAccessibleContextAt, GetAccessibleContextAtFP, "getAccessibleContextAt");

            LOAD_FP(GetAccessibleContextWithFocus, GetAccessibleContextWithFocusFP, "getAccessibleContextWithFocus");

            LOAD_FP(GetAccessibleContextInfo, GetAccessibleContextInfoFP, "getAccessibleContextInfo");

            LOAD_FP(GetAccessibleChildFromContext, GetAccessibleChildFromContextFP, "getAccessibleChildFromContext");

            LOAD_FP(GetAccessibleParentFromContext, GetAccessibleParentFromContextFP, "getAccessibleParentFromContext");

            /* begin AccessibleTable */

            LOAD_FP(getAccessibleTableInfo, getAccessibleTableInfoFP, "getAccessibleTableInfo");

            LOAD_FP(getAccessibleTableCellInfo, getAccessibleTableCellInfoFP, "getAccessibleTableCellInfo");

            LOAD_FP(getAccessibleTableRowHeader, getAccessibleTableRowHeaderFP, "getAccessibleTableRowHeader");

            LOAD_FP(getAccessibleTableColumnHeader, getAccessibleTableColumnHeaderFP, "getAccessibleTableColumnHeader");

            LOAD_FP(getAccessibleTableRowDescription, getAccessibleTableRowDescriptionFP, "getAccessibleTableRowDescription");

            LOAD_FP(getAccessibleTableColumnDescription, getAccessibleTableColumnDescriptionFP, "getAccessibleTableColumnDescription");

            LOAD_FP(getAccessibleTableRowSelectionCount, getAccessibleTableRowSelectionCountFP,

                    "getAccessibleTableRowSelectionCount");

            LOAD_FP(isAccessibleTableRowSelected, isAccessibleTableRowSelectedFP,

                    "isAccessibleTableRowSelected");

            LOAD_FP(getAccessibleTableRowSelections, getAccessibleTableRowSelectionsFP,

                    "getAccessibleTableRowSelections");

            LOAD_FP(getAccessibleTableColumnSelectionCount, getAccessibleTableColumnSelectionCountFP,

                    "getAccessibleTableColumnSelectionCount");

            LOAD_FP(isAccessibleTableColumnSelected, isAccessibleTableColumnSelectedFP,

                    "isAccessibleTableColumnSelected");

            LOAD_FP(getAccessibleTableColumnSelections, getAccessibleTableColumnSelectionsFP,

                    "getAccessibleTableColumnSelections");

            LOAD_FP(getAccessibleTableRow, getAccessibleTableRowFP,

                    "getAccessibleTableRow");

            LOAD_FP(getAccessibleTableColumn, getAccessibleTableColumnFP,

                    "getAccessibleTableColumn");

            LOAD_FP(getAccessibleTableIndex, getAccessibleTableIndexFP,

                    "getAccessibleTableIndex");

            /* end AccessibleTable */

            /* AccessibleRelationSet */

            LOAD_FP(getAccessibleRelationSet, getAccessibleRelationSetFP, "getAccessibleRelationSet");

            /* AccessibleHypertext */

            LOAD_FP(getAccessibleHypertext, getAccessibleHypertextFP, "getAccessibleHypertext");

            LOAD_FP(activateAccessibleHyperlink, activateAccessibleHyperlinkFP, "activateAccessibleHyperlink");

            LOAD_FP(getAccessibleHyperlinkCount, getAccessibleHyperlinkCountFP, "getAccessibleHyperlinkCount");

            LOAD_FP(getAccessibleHypertextExt, getAccessibleHypertextExtFP, "getAccessibleHypertextExt");

            LOAD_FP(getAccessibleHypertextLinkIndex, getAccessibleHypertextLinkIndexFP, "getAccessibleHypertextLinkIndex");

            LOAD_FP(getAccessibleHyperlink, getAccessibleHyperlinkFP, "getAccessibleHyperlink");

            /* Accessible KeyBinding, Icon and Action */

            LOAD_FP(getAccessibleKeyBindings, getAccessibleKeyBindingsFP, "getAccessibleKeyBindings");

            LOAD_FP(getAccessibleIcons, getAccessibleIconsFP, "getAccessibleIcons");

            LOAD_FP(getAccessibleActions, getAccessibleActionsFP, "getAccessibleActions");

            LOAD_FP(doAccessibleActions, doAccessibleActionsFP, "doAccessibleActions");

            /* AccessibleText */

            LOAD_FP(GetAccessibleTextInfo, GetAccessibleTextInfoFP, "getAccessibleTextInfo");

            LOAD_FP(GetAccessibleTextItems, GetAccessibleTextItemsFP, "getAccessibleTextItems");

            LOAD_FP(GetAccessibleTextSelectionInfo, GetAccessibleTextSelectionInfoFP, "getAccessibleTextSelectionInfo");

            LOAD_FP(GetAccessibleTextAttributes, GetAccessibleTextAttributesFP, "getAccessibleTextAttributes");

            LOAD_FP(GetAccessibleTextRect, GetAccessibleTextRectFP, "getAccessibleTextRect");

            LOAD_FP(GetAccessibleTextLineBounds, GetAccessibleTextLineBoundsFP, "getAccessibleTextLineBounds");

            LOAD_FP(GetAccessibleTextRange, GetAccessibleTextRangeFP, "getAccessibleTextRange");

            LOAD_FP(GetCurrentAccessibleValueFromContext, GetCurrentAccessibleValueFromContextFP, "getCurrentAccessibleValueFromContext");

            LOAD_FP(GetMaximumAccessibleValueFromContext, GetMaximumAccessibleValueFromContextFP, "getMaximumAccessibleValueFromContext");

            LOAD_FP(GetMinimumAccessibleValueFromContext, GetMinimumAccessibleValueFromContextFP, "getMinimumAccessibleValueFromContext");

            LOAD_FP(AddAccessibleSelectionFromContext, AddAccessibleSelectionFromContextFP, "addAccessibleSelectionFromContext");

            LOAD_FP(ClearAccessibleSelectionFromContext, ClearAccessibleSelectionFromContextFP, "clearAccessibleSelectionFromContext");

            LOAD_FP(GetAccessibleSelectionFromContext, GetAccessibleSelectionFromContextFP, "getAccessibleSelectionFromContext");

            LOAD_FP(GetAccessibleSelectionCountFromContext, GetAccessibleSelectionCountFromContextFP, "getAccessibleSelectionCountFromContext");

            LOAD_FP(IsAccessibleChildSelectedFromContext, IsAccessibleChildSelectedFromContextFP, "isAccessibleChildSelectedFromContext");

            LOAD_FP(RemoveAccessibleSelectionFromContext, RemoveAccessibleSelectionFromContextFP, "removeAccessibleSelectionFromContext");

            LOAD_FP(SelectAllAccessibleSelectionFromContext, SelectAllAccessibleSelectionFromContextFP, "selectAllAccessibleSelectionFromContext");

            LOAD_FP(setTextContents, setTextContentsFP, "setTextContents");

            LOAD_FP(getParentWithRole, getParentWithRoleFP, "getParentWithRole");

            LOAD_FP(getTopLevelObject, getTopLevelObjectFP, "getTopLevelObject");

            LOAD_FP(getParentWithRoleElseRoot, getParentWithRoleElseRootFP, "getParentWithRoleElseRoot");

            LOAD_FP(getObjectDepth, getObjectDepthFP, "getObjectDepth");

            LOAD_FP(getActiveDescendent, getActiveDescendentFP, "getActiveDescendent");

            // additional methods for Teton

            LOAD_FP(getVirtualAccessibleName, getVirtualAccessibleNameFP, "getVirtualAccessibleName");

            LOAD_FP(requestFocus, requestFocusFP, "requestFocus");

            LOAD_FP(selectTextRange, selectTextRangeFP, "selectTextRange");

            LOAD_FP(getTextAttributesInRange, getTextAttributesInRangeFP, "getTextAttributesInRange");

            LOAD_FP(getVisibleChildrenCount, getVisibleChildrenCountFP, "getVisibleChildrenCount");

            LOAD_FP(getVisibleChildren, getVisibleChildrenFP, "getVisibleChildren");

            LOAD_FP(setCaretPosition, setCaretPositionFP, "setCaretPosition");

            LOAD_FP(getCaretLocation, getCaretLocationFP, "getCaretLocation");

            LOAD_FP(getEventsWaiting, getEventsWaitingFP, "getEventsWaiting");

            theAccessBridge.Windows_run();

            theAccessBridgeInitializedFlag = TRUE;

            PrintDebugString("theAccessBridgeInitializedFlag = TRUE");

            return TRUE;

        } else {

            return FALSE;

        }

    }

    BOOL shutdownAccessBridge() {

        BOOL result;

        DWORD error;

        theAccessBridgeInitializedFlag = FALSE;

        if (theAccessBridgeInstance != (HANDLE) 0) {

            result = FreeLibrary(theAccessBridgeInstance);

            if (result != TRUE) {

                error = GetLastError();

            }

            return TRUE;

        }

        return FALSE;

    }

    void SetJavaShutdown(AccessBridge_JavaShutdownFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetJavaShutdown(fp);

        }

    }

    void SetFocusGained(AccessBridge_FocusGainedFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetFocusGained(fp);

        }

    }

    void SetFocusLost(AccessBridge_FocusLostFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetFocusLost(fp);

        }

    }

    void SetCaretUpdate(AccessBridge_CaretUpdateFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetCaretUpdate(fp);

        }

    }

    void SetMouseClicked(AccessBridge_MouseClickedFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetMouseClicked(fp);

        }

    }

    void SetMouseEntered(AccessBridge_MouseEnteredFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetMouseEntered(fp);

        }

    }

    void SetMouseExited(AccessBridge_MouseExitedFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetMouseExited(fp);

        }

    }

    void SetMousePressed(AccessBridge_MousePressedFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetMousePressed(fp);

        }

    }

    void SetMouseReleased(AccessBridge_MouseReleasedFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetMouseReleased(fp);

        }

    }

    void SetMenuCanceled(AccessBridge_MenuCanceledFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetMenuCanceled(fp);

        }

    }

    void SetMenuDeselected(AccessBridge_MenuDeselectedFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetMenuDeselected(fp);

        }

    }

    void SetMenuSelected(AccessBridge_MenuSelectedFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetMenuSelected(fp);

        }

    }

    void SetPopupMenuCanceled(AccessBridge_PopupMenuCanceledFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPopupMenuCanceled(fp);

        }

    }

    void SetPopupMenuWillBecomeInvisible(AccessBridge_PopupMenuWillBecomeInvisibleFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPopupMenuWillBecomeInvisible(fp);

        }

    }

    void SetPopupMenuWillBecomeVisible(AccessBridge_PopupMenuWillBecomeVisibleFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPopupMenuWillBecomeVisible(fp);

        }

    }

    void SetPropertyNameChange(AccessBridge_PropertyNameChangeFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPropertyNameChange(fp);

        }

    }

    void SetPropertyDescriptionChange(AccessBridge_PropertyDescriptionChangeFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPropertyDescriptionChange(fp);

        }

    }

    void SetPropertyStateChange(AccessBridge_PropertyStateChangeFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPropertyStateChange(fp);

        }

    }

    void SetPropertyValueChange(AccessBridge_PropertyValueChangeFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPropertyValueChange(fp);

        }

    }

    void SetPropertySelectionChange(AccessBridge_PropertySelectionChangeFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPropertySelectionChange(fp);

        }

    }

    void SetPropertyTextChange(AccessBridge_PropertyTextChangeFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPropertyTextChange(fp);

        }

    }

    void SetPropertyCaretChange(AccessBridge_PropertyCaretChangeFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPropertyCaretChange(fp);

        }

    }

    void SetPropertyVisibleDataChange(AccessBridge_PropertyVisibleDataChangeFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPropertyVisibleDataChange(fp);

        }

    }

    void SetPropertyChildChange(AccessBridge_PropertyChildChangeFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPropertyChildChange(fp);

        }

    }

    void SetPropertyActiveDescendentChange(AccessBridge_PropertyActiveDescendentChangeFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPropertyActiveDescendentChange(fp);

        }

    }

    void SetPropertyTableModelChange(AccessBridge_PropertyTableModelChangeFP fp) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.SetPropertyTableModelChange(fp);

        }

    }

    /**

     * General routines

     */

    void ReleaseJavaObject(long vmID, Java_Object object) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            theAccessBridge.ReleaseJavaObject(vmID, object);

        }

    }

    BOOL GetVersionInfo(long vmID, AccessBridgeVersionInfo *info) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            return theAccessBridge.GetVersionInfo(vmID, info);

        }

        return FALSE;

    }

    /**

     * Window routines

     */

    BOOL IsJavaWindow(HWND window) {

        if (theAccessBridgeInitializedFlag == TRUE) {

                        BOOL ret ;

                        ret = theAccessBridge.IsJavaWindow(window);

            return ret ;

        }

        return FALSE;

    }

    /**

     * Returns the virtual machine ID and AccessibleContext for a top-level window

     */

    BOOL GetAccessibleContextFromHWND(HWND target, long *vmID, AccessibleContext *ac) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            return theAccessBridge.GetAccessibleContextFromHWND(target, vmID, ac);

        }

        return FALSE;

    }

    /**

     * Returns the HWND from the AccessibleContext of a top-level window.  Returns 0

     *   on error or if the AccessibleContext does not refer to a top-level window.

     */

    HWND getHWNDFromAccessibleContext(long vmID, JOBJECT64 accesibleContext) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            return theAccessBridge.getHWNDFromAccessibleContext(vmID, accesibleContext);

        }

        return (HWND)0;

    }

    /**

     * returns whether two objects are the same

     */

    BOOL IsSameObject(long vmID, JOBJECT64 obj1, JOBJECT64 obj2) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            return theAccessBridge.IsSameObject(vmID, obj1, obj2);

        }

        return FALSE;

    }

    /**

     * Sets editable text contents.  The AccessibleContext must implement AccessibleEditableText and

     *   be editable.  The maximum text length is MAX_STRING_SIZE - 1.

     * Returns whether successful

     */

    BOOL setTextContents (const long vmID, const AccessibleContext accessibleContext, const wchar_t *text) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            return theAccessBridge.setTextContents(vmID, accessibleContext, text);

        }

        return FALSE;

    }

    /**

     * Returns the Accessible Context with the specified role that is the

     * ancestor of a given object. The role is one of the role strings

     * defined in AccessBridgePackages.h

     * If there is no ancestor object that has the specified role,

     * returns (AccessibleContext)0.

     */

    AccessibleContext getParentWithRole (const long vmID, const AccessibleContext accessibleContext,

                                         const wchar_t *role) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            return theAccessBridge.getParentWithRole(vmID, accessibleContext, role);

        }

        return (AccessibleContext)0;

    }

    /**

     * Returns the Accessible Context with the specified role that is the

     * ancestor of a given object. The role is one of the role strings

     * defined in AccessBridgePackages.h.  If an object with the specified

     * role does not exist, returns the top level object for the Java Window.

     * Returns (AccessibleContext)0 on error.

     */

    AccessibleContext getParentWithRoleElseRoot (const long vmID, const AccessibleContext accessibleContext,

                                                 const wchar_t *role) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            return theAccessBridge.getParentWithRoleElseRoot(vmID, accessibleContext, role);

        }

        return (AccessibleContext)0;

    }

    /**

     * Returns the Accessible Context for the top level object in

     * a Java Window.  This is same Accessible Context that is obtained

     * from GetAccessibleContextFromHWND for that window.  Returns

     * (AccessibleContext)0 on error.

     */

    AccessibleContext getTopLevelObject (const long vmID, const AccessibleContext accessibleContext) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            return theAccessBridge.getTopLevelObject(vmID, accessibleContext);

        }

        return (AccessibleContext)0;

    }

    /**

     * Returns how deep in the object hierarchy a given object is.

     * The top most object in the object hierarchy has an object depth of 0.

     * Returns -1 on error.

     */

    int getObjectDepth (const long vmID, const AccessibleContext accessibleContext) {

        if (theAccessBridgeInitializedFlag == TRUE) {

            return theAccessBridge.getObjectDepth(vmID, accessibleContext);

        }

        return -1;