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Diffstat (limited to 'accessibility/bridge/source/java/WindowsAccessBridgeAdapter.cxx')
| -rw-r--r-- | accessibility/bridge/source/java/WindowsAccessBridgeAdapter.cxx | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/accessibility/bridge/source/java/WindowsAccessBridgeAdapter.cxx b/accessibility/bridge/source/java/WindowsAccessBridgeAdapter.cxx deleted file mode 100644 index e99d51c2a446..000000000000 --- a/accessibility/bridge/source/java/WindowsAccessBridgeAdapter.cxx +++ /dev/null @@ -1,300 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/* - * This file is part of the LibreOffice project. - * - * 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/. - * - * This file incorporates work covered by the following license notice: - * - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed - * with this work for additional information regarding copyright - * ownership. The ASF licenses this file to you under the Apache - * License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of - * the License at http://www.apache.org/licenses/LICENSE-2.0 . - */ - -#ifdef WNT -#include <prewin.h> -#include <postwin.h> -#endif - -#include <WindowsAccessBridgeAdapter.h> - -#include <wtypes.h> -#include <rtl/process.h> -#include <tools/link.hxx> - -#include <vcl/svapp.hxx> -#include <vcl/window.hxx> -#include <vcl/sysdata.hxx> -#include <uno/current_context.hxx> -#include <uno/environment.h> -#include <uno/mapping.hxx> -#include <com/sun/star/accessibility/AccessibleRole.hpp> -#include <com/sun/star/accessibility/XAccessible.hpp> - -#include "jvmaccess/unovirtualmachine.hxx" - -#include "jvmaccess/virtualmachine.hxx" - -#include <osl/diagnose.h> - -using ::com::sun::star::uno::Mapping; -using ::com::sun::star::uno::Reference; -using ::com::sun::star::uno::RuntimeException; -using namespace ::com::sun::star::accessibility; - -long VCLEventListenerLinkFunc(void * pInst, void * pData); - -//------------------------------------------------------------------------ -// global vatiables -//------------------------------------------------------------------------ - -Link g_aEventListenerLink(NULL, VCLEventListenerLinkFunc); - -rtl::Reference< jvmaccess::UnoVirtualMachine > g_xUnoVirtualMachine; -typelib_InterfaceTypeDescription * g_pTypeDescription = NULL; -Mapping g_unoMapping; - -jclass g_jcWindowsAccessBridgeAdapter = NULL; -jmethodID g_jmRegisterTopWindow = 0; -jmethodID g_jmRevokeTopWindow = 0; - -//------------------------------------------------------------------------ -// functions -//------------------------------------------------------------------------ - -SAL_DLLPUBLIC_EXPORT jint JNICALL JNI_OnLoad(JavaVM *, void *) -{ - return JNI_VERSION_1_2; -} - -SAL_DLLPUBLIC_EXPORT jbyteArray JNICALL -Java_org_openoffice_accessibility_WindowsAccessBridgeAdapter_getProcessID(JNIEnv *pJNIEnv, jclass clazz) -{ - // Initialize global class and method references - g_jcWindowsAccessBridgeAdapter = - static_cast< jclass > (pJNIEnv->NewGlobalRef(clazz)); - if (NULL == g_jcWindowsAccessBridgeAdapter) { - return 0; /* jni error occurred */ - } - g_jmRegisterTopWindow = - pJNIEnv->GetStaticMethodID(clazz, "registerTopWindow", "(ILcom/sun/star/accessibility/XAccessible;)V"); - if (0 == g_jmRegisterTopWindow) { - return 0; /* jni error occurred */ - } - g_jmRevokeTopWindow = - pJNIEnv->GetStaticMethodID(clazz, "revokeTopWindow", "(ILcom/sun/star/accessibility/XAccessible;)V"); - if (0 == g_jmRevokeTopWindow) { - return 0; /* jni error occurred */ - } - - // Use the special protocol of XJavaVM.getJavaVM: If the passed in - // process ID has an extra 17th byte of value one, the returned any - // contains a pointer to a jvmaccess::UnoVirtualMachine, instead of - // the underlying JavaVM pointer: - jbyte processID[17]; - rtl_getGlobalProcessId(reinterpret_cast<sal_uInt8 *> (processID)); - // #i51265# we need a jvmaccess::UnoVirtualMachine pointer for the - // uno_getEnvironment() call later. - processID[16] = 1; - - // Copy the result into a java byte[] and return. - jbyteArray jbaProcessID = pJNIEnv->NewByteArray(17); - pJNIEnv->SetByteArrayRegion(jbaProcessID, 0, 17, processID); - return jbaProcessID; -} - -SAL_DLLPUBLIC_EXPORT jboolean JNICALL -Java_org_openoffice_accessibility_WindowsAccessBridgeAdapter_createMapping(JNIEnv *, jclass, jlong pointer) -{ - uno_Environment * pJava_environment = NULL; - uno_Environment * pUno_environment = NULL; - - try { - // We get a non-refcounted pointer to a jvmaccess::VirtualMachine - // from the XJavaVM service (the pointer is guaranteed to be valid - // as long as our reference to the XJavaVM service lasts), and - // convert the non-refcounted pointer into a refcounted one - // immediately: - g_xUnoVirtualMachine = reinterpret_cast< jvmaccess::UnoVirtualMachine * >(pointer); - - if ( g_xUnoVirtualMachine.is() ) - { - OUString sJava("java"); - uno_getEnvironment(&pJava_environment, sJava.pData, g_xUnoVirtualMachine.get()); - - OUString sCppu_current_lb_name(CPPU_CURRENT_LANGUAGE_BINDING_NAME); - uno_getEnvironment(&pUno_environment, sCppu_current_lb_name.pData, NULL); - - if ( pJava_environment && pUno_environment ) - { - g_unoMapping = Mapping(pUno_environment, pJava_environment); - getCppuType((::com::sun::star::uno::Reference< XAccessible > *) 0).getDescription((typelib_TypeDescription **) & g_pTypeDescription); - } - - if ( pJava_environment ) - { - // release java environment - pJava_environment->release(pJava_environment); - pJava_environment = NULL; - } - - if ( pUno_environment ) - { - // release uno environment - pUno_environment->release(pUno_environment); - pUno_environment = NULL; - } - } - } - - catch (const RuntimeException &) - { - OSL_TRACE("RuntimeException caught while initializing the mapping"); - } - - if ( (0 != g_jmRegisterTopWindow) && (0 != g_jmRevokeTopWindow) ) - { - ::Application::AddEventListener(g_aEventListenerLink); - } - return JNI_TRUE; -} - -SAL_DLLPUBLIC_EXPORT void JNICALL JNI_OnUnload(JavaVM *jvm, void *) -{ - ::Application::RemoveEventListener(g_aEventListenerLink); - - if ( NULL != g_jcWindowsAccessBridgeAdapter ) - { - JNIEnv * pJNIEnv; - if ( ! jvm->GetEnv((void **) &pJNIEnv, JNI_VERSION_1_2) ) - { - pJNIEnv->DeleteGlobalRef(g_jcWindowsAccessBridgeAdapter); - g_jcWindowsAccessBridgeAdapter = NULL; - } - } - - if ( NULL != g_pTypeDescription ) - { - typelib_typedescription_release( reinterpret_cast< typelib_TypeDescription * > (g_pTypeDescription) ); - g_pTypeDescription = NULL; - } - - g_unoMapping.clear(); - g_xUnoVirtualMachine.clear(); -} - -HWND GetHWND(Window * pWindow) -{ - const SystemEnvData * pEnvData = pWindow->GetSystemData(); - if (pEnvData != NULL) - { - return pEnvData->hWnd; - } - return (HWND) -1; -} - -void handleWindowEvent(Window * pWindow, bool bShow) -{ - if ( pWindow && pWindow->IsTopWindow() ) - { - ::com::sun::star::uno::Reference< XAccessible > xAccessible; - - // Test for combo box - drop down floating windows first - Window * pParentWindow = pWindow->GetParent(); - - if ( pParentWindow ) - { - try - { - // The parent window of a combo box floating window should have the role COMBO_BOX - ::com::sun::star::uno::Reference< XAccessible > xParentAccessible(pParentWindow->GetAccessible()); - if ( xParentAccessible.is() ) - { - ::com::sun::star::uno::Reference< XAccessibleContext > xParentAC(xParentAccessible->getAccessibleContext()); - if ( xParentAC.is() && (AccessibleRole::COMBO_BOX == xParentAC->getAccessibleRole()) ) - { - // O.k. - this is a combo box floating window corresponding to the child of role LIST of the parent. - // Let's not rely on a specific child order, just search for the child with the role LIST - sal_Int32 nCount = xParentAC->getAccessibleChildCount(); - for ( sal_Int32 n = 0; (n < nCount) && !xAccessible.is(); n++) - { - ::com::sun::star::uno::Reference< XAccessible > xChild = xParentAC->getAccessibleChild(n); - if ( xChild.is() ) - { - ::com::sun::star::uno::Reference< XAccessibleContext > xChildAC = xChild->getAccessibleContext(); - if ( xChildAC.is() && (AccessibleRole::LIST == xChildAC->getAccessibleRole()) ) - { - xAccessible = xChild; - } - } - } - } - } - } - catch (const ::com::sun::star::uno::RuntimeException &) - { - // Ignore show events that throw DisposedExceptions in getAccessibleContext(), - // but keep revoking these windows in hide(s). - if (bShow) - return; - } - } - - // We have to rely on the fact that Window::GetAccessible()->getAccessibleContext() returns a valid XAccessibleContext - // also for other menus than menubar or toplevel popup window. Otherwise we had to traverse the hierarchy to find the - // context object to this menu floater. This makes the call to Window->IsMenuFloatingWindow() obsolete. - if ( ! xAccessible.is() ) - xAccessible = pWindow->GetAccessible(); - - if ( xAccessible.is() && g_unoMapping.is() ) - { - jobject * joXAccessible = reinterpret_cast < jobject * > (g_unoMapping.mapInterface( - xAccessible.get(), g_pTypeDescription)); - - if ( NULL != joXAccessible ) - { - jvmaccess::VirtualMachine::AttachGuard aGuard(g_xUnoVirtualMachine->getVirtualMachine()); - JNIEnv * pJNIEnv = aGuard.getEnvironment(); - - if ( NULL != pJNIEnv ) - { - // g_jmRegisterTopWindow and g_jmRevokeTopWindow are ensured to be != 0 - otherwise - // the event listener would not have been attached. - pJNIEnv->CallStaticVoidMethod(g_jcWindowsAccessBridgeAdapter, - (bShow) ? g_jmRegisterTopWindow : g_jmRevokeTopWindow, - (jclass) GetHWND(pWindow), joXAccessible ); - - // Clear any exception that might have been occurred. - if (pJNIEnv->ExceptionCheck()) { - pJNIEnv->ExceptionClear(); - } - } - } - } - } -} - -long VCLEventListenerLinkFunc(void *, void * pData) -{ - ::VclSimpleEvent const * pEvent = (::VclSimpleEvent const *) pData; - - switch (pEvent->GetId()) - { - case VCLEVENT_WINDOW_SHOW: - handleWindowEvent(((::VclWindowEvent const *) pEvent)->GetWindow(), true); - break; - case VCLEVENT_WINDOW_HIDE: - handleWindowEvent(((::VclWindowEvent const *) pEvent)->GetWindow(), false); - break; - } - - return 0; -} - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |