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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <config_features.h>
21 :
22 : #include <rtl/process.h>
23 : #include <rtl/ref.hxx>
24 :
25 : #include <tools/rc.h>
26 :
27 : // declare system types in sysdata.hxx
28 : #include <svsys.h>
29 :
30 : #include <vcl/window.hxx>
31 : #include <vcl/sysdata.hxx>
32 : #include <vcl/svapp.hxx>
33 : #include <vcl/syschild.hxx>
34 :
35 : #include <window.h>
36 : #include <salinst.hxx>
37 : #include <salframe.hxx>
38 : #include <salobj.hxx>
39 : #include <svdata.hxx>
40 :
41 : #if HAVE_FEATURE_JAVA
42 : #include <jni.h>
43 : #endif
44 :
45 : #include <comphelper/processfactory.hxx>
46 :
47 : #if HAVE_FEATURE_JAVA
48 : #include <jvmaccess/virtualmachine.hxx>
49 : #include <com/sun/star/java/JavaVirtualMachine.hpp>
50 : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
51 : #endif
52 :
53 : using namespace ::com::sun::star;
54 :
55 0 : long ImplSysChildProc( void* pInst, SalObject* /* pObject */,
56 : sal_uInt16 nEvent, const void* /* pEvent */ )
57 : {
58 0 : SystemChildWindow* pWindow = (SystemChildWindow*)pInst;
59 0 : long nRet = 0;
60 :
61 0 : ImplDelData aDogTag( pWindow );
62 0 : switch ( nEvent )
63 : {
64 : case SALOBJ_EVENT_GETFOCUS:
65 : // get focus, such that all handlers are called,
66 : // as if this window gets the focus assuring
67 : // that the frame does not steal it
68 0 : pWindow->ImplGetFrameData()->mbSysObjFocus = true;
69 0 : pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = true;
70 0 : pWindow->ToTop( TOTOP_NOGRABFOCUS );
71 0 : if( aDogTag.IsDead() )
72 0 : break;
73 0 : pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = false;
74 0 : pWindow->ImplGetFrameData()->mbInSysObjFocusHdl = true;
75 0 : pWindow->GrabFocus();
76 0 : if( aDogTag.IsDead() )
77 0 : break;
78 0 : pWindow->ImplGetFrameData()->mbInSysObjFocusHdl = false;
79 0 : break;
80 :
81 : case SALOBJ_EVENT_LOSEFOCUS:
82 : // trigger a LoseFocus which matches the status
83 : // of the window with matching Activate-Status
84 0 : pWindow->ImplGetFrameData()->mbSysObjFocus = false;
85 0 : if ( !pWindow->ImplGetFrameData()->mnFocusId )
86 : {
87 0 : pWindow->ImplGetFrameData()->mbStartFocusState = true;
88 0 : Application::PostUserEvent( pWindow->ImplGetFrameData()->mnFocusId, LINK( pWindow->ImplGetFrameWindow(), Window, ImplAsyncFocusHdl ) );
89 : }
90 0 : break;
91 :
92 : case SALOBJ_EVENT_TOTOP:
93 0 : pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = true;
94 0 : if ( !Application::GetFocusWindow() || pWindow->HasChildPathFocus() )
95 0 : pWindow->ToTop( TOTOP_NOGRABFOCUS );
96 : else
97 0 : pWindow->ToTop();
98 0 : if( aDogTag.IsDead() )
99 0 : break;
100 0 : pWindow->GrabFocus();
101 0 : if( aDogTag.IsDead() )
102 0 : break;
103 0 : pWindow->ImplGetFrameData()->mbInSysObjToTopHdl = false;
104 0 : break;
105 : }
106 :
107 0 : return nRet;
108 : }
109 :
110 0 : void SystemChildWindow::ImplInitSysChild( Window* pParent, WinBits nStyle, SystemWindowData *pData, bool bShow )
111 : {
112 0 : mpWindowImpl->mpSysObj = ImplGetSVData()->mpDefInst->CreateObject( pParent->ImplGetFrame(), pData, bShow );
113 :
114 0 : Window::ImplInit( pParent, nStyle, NULL );
115 :
116 : // we do not paint if it is the right SysChild
117 0 : if ( GetSystemData() )
118 : {
119 0 : mpWindowImpl->mpSysObj->SetCallback( this, ImplSysChildProc );
120 0 : SetParentClipMode( PARENTCLIPMODE_CLIP );
121 0 : SetBackground();
122 : }
123 0 : }
124 :
125 0 : SystemChildWindow::SystemChildWindow( Window* pParent, WinBits nStyle ) :
126 0 : Window( WINDOW_SYSTEMCHILDWINDOW )
127 : {
128 0 : ImplInitSysChild( pParent, nStyle, NULL );
129 0 : }
130 :
131 0 : SystemChildWindow::SystemChildWindow( Window* pParent, WinBits nStyle, SystemWindowData *pData, bool bShow ) :
132 0 : Window( WINDOW_SYSTEMCHILDWINDOW )
133 : {
134 0 : ImplInitSysChild( pParent, nStyle, pData, bShow );
135 0 : }
136 :
137 0 : SystemChildWindow::~SystemChildWindow()
138 : {
139 0 : Hide();
140 0 : if ( mpWindowImpl->mpSysObj )
141 : {
142 0 : ImplGetSVData()->mpDefInst->DestroyObject( mpWindowImpl->mpSysObj );
143 0 : mpWindowImpl->mpSysObj = NULL;
144 : }
145 0 : }
146 :
147 0 : const SystemEnvData* SystemChildWindow::GetSystemData() const
148 : {
149 0 : if ( mpWindowImpl->mpSysObj )
150 0 : return mpWindowImpl->mpSysObj->GetSystemData();
151 : else
152 0 : return NULL;
153 : }
154 :
155 0 : void SystemChildWindow::EnableEraseBackground( bool bEnable )
156 : {
157 0 : if ( mpWindowImpl->mpSysObj )
158 0 : mpWindowImpl->mpSysObj->EnableEraseBackground( bEnable );
159 0 : }
160 :
161 0 : void SystemChildWindow::ImplTestJavaException( void* pEnv )
162 : {
163 : #if HAVE_FEATURE_JAVA
164 0 : JNIEnv* pJavaEnv = reinterpret_cast< JNIEnv* >( pEnv );
165 0 : jthrowable jtThrowable = pJavaEnv->ExceptionOccurred();
166 :
167 0 : if( jtThrowable )
168 : { // is it a java exception ?
169 : #if OSL_DEBUG_LEVEL > 1
170 : pJavaEnv->ExceptionDescribe();
171 : #endif // OSL_DEBUG_LEVEL > 1
172 0 : pJavaEnv->ExceptionClear();
173 :
174 0 : jclass jcThrowable = pJavaEnv->FindClass("java/lang/Throwable");
175 0 : jmethodID jmThrowable_getMessage = pJavaEnv->GetMethodID(jcThrowable, "getMessage", "()Ljava/lang/String;");
176 0 : jstring jsMessage = (jstring) pJavaEnv->CallObjectMethod(jtThrowable, jmThrowable_getMessage);
177 0 : OUString ouMessage;
178 :
179 0 : if(jsMessage)
180 : {
181 0 : const jchar * jcMessage = pJavaEnv->GetStringChars(jsMessage, NULL);
182 0 : ouMessage = OUString(jcMessage);
183 0 : pJavaEnv->ReleaseStringChars(jsMessage, jcMessage);
184 : }
185 :
186 0 : throw uno::RuntimeException(ouMessage, uno::Reference<uno::XInterface>());
187 : }
188 : #else
189 : (void)pEnv;
190 : #endif // HAVE_FEATURE_JAVA
191 0 : }
192 :
193 0 : void SystemChildWindow::SetForwardKey( bool bEnable )
194 : {
195 0 : if ( mpWindowImpl->mpSysObj )
196 0 : mpWindowImpl->mpSysObj->SetForwardKey( bEnable );
197 0 : }
198 :
199 0 : sal_IntPtr SystemChildWindow::GetParentWindowHandle( bool bUseJava )
200 : {
201 0 : sal_IntPtr nRet = 0;
202 :
203 : (void)bUseJava;
204 : #if defined WNT
205 : nRet = reinterpret_cast< sal_IntPtr >( GetSystemData()->hWnd );
206 : #elif defined MACOSX
207 : // FIXME: this is wrong
208 : nRet = reinterpret_cast< sal_IntPtr >( GetSystemData()->mpNSView );
209 : #elif defined ANDROID
210 : // Nothing
211 : #elif defined IOS
212 : // Nothing
213 : #elif defined UNX
214 0 : if( !bUseJava )
215 : {
216 0 : nRet = (sal_IntPtr) GetSystemData()->aWindow;
217 : }
218 : #if HAVE_FEATURE_JAVA
219 : else
220 : {
221 0 : uno::Reference< uno::XComponentContext > xContext( comphelper::getProcessComponentContext() );
222 :
223 0 : if( GetSystemData()->aWindow > 0 )
224 : {
225 : try
226 : {
227 0 : ::rtl::Reference< ::jvmaccess::VirtualMachine > xVM;
228 0 : uno::Reference< java::XJavaVM > xJavaVM = java::JavaVirtualMachine::create(xContext);;
229 0 : uno::Sequence< sal_Int8 > aProcessID( 17 );
230 :
231 0 : rtl_getGlobalProcessId( (sal_uInt8*) aProcessID.getArray() );
232 0 : aProcessID[ 16 ] = 0;
233 : OSL_ENSURE(sizeof (sal_Int64) >= sizeof (jvmaccess::VirtualMachine *), "Pointer cannot be represented as sal_Int64");
234 0 : sal_Int64 nPointer = reinterpret_cast< sal_Int64 >( static_cast< jvmaccess::VirtualMachine * >(0));
235 0 : xJavaVM->getJavaVM(aProcessID) >>= nPointer;
236 0 : xVM = reinterpret_cast< jvmaccess::VirtualMachine * >(nPointer);
237 :
238 0 : if( xVM.is() )
239 : {
240 : try
241 : {
242 0 : ::jvmaccess::VirtualMachine::AttachGuard aVMAttachGuard( xVM );
243 0 : JNIEnv* pEnv = aVMAttachGuard.getEnvironment();
244 :
245 0 : jclass jcToolkit = pEnv->FindClass("java/awt/Toolkit");
246 0 : ImplTestJavaException(pEnv);
247 :
248 0 : jmethodID jmToolkit_getDefaultToolkit = pEnv->GetStaticMethodID( jcToolkit, "getDefaultToolkit", "()Ljava/awt/Toolkit;" );
249 0 : ImplTestJavaException(pEnv);
250 :
251 0 : pEnv->CallStaticObjectMethod(jcToolkit, jmToolkit_getDefaultToolkit);
252 0 : ImplTestJavaException(pEnv);
253 :
254 0 : jclass jcMotifAppletViewer = pEnv->FindClass("sun/plugin/navig/motif/MotifAppletViewer");
255 0 : if( pEnv->ExceptionOccurred() )
256 : {
257 0 : pEnv->ExceptionClear();
258 :
259 0 : jcMotifAppletViewer = pEnv->FindClass( "sun/plugin/viewer/MNetscapePluginContext");
260 0 : ImplTestJavaException(pEnv);
261 : }
262 :
263 0 : jclass jcClassLoader = pEnv->FindClass("java/lang/ClassLoader");
264 0 : ImplTestJavaException(pEnv);
265 :
266 0 : jmethodID jmClassLoader_loadLibrary = pEnv->GetStaticMethodID( jcClassLoader, "loadLibrary", "(Ljava/lang/Class;Ljava/lang/String;Z)V");
267 0 : ImplTestJavaException(pEnv);
268 :
269 0 : jstring jsplugin = pEnv->NewStringUTF("javaplugin_jni");
270 0 : ImplTestJavaException(pEnv);
271 :
272 0 : pEnv->CallStaticVoidMethod(jcClassLoader, jmClassLoader_loadLibrary, jcMotifAppletViewer, jsplugin, JNI_FALSE);
273 0 : ImplTestJavaException(pEnv);
274 :
275 0 : jmethodID jmMotifAppletViewer_getWidget = pEnv->GetStaticMethodID( jcMotifAppletViewer, "getWidget", "(IIIII)I" );
276 0 : ImplTestJavaException(pEnv);
277 :
278 0 : const Size aSize( GetOutputSizePixel() );
279 : jint ji_widget = pEnv->CallStaticIntMethod( jcMotifAppletViewer, jmMotifAppletViewer_getWidget,
280 0 : GetSystemData()->aWindow, 0, 0, aSize.Width(), aSize.Height() );
281 0 : ImplTestJavaException(pEnv);
282 :
283 0 : nRet = static_cast< sal_IntPtr >( ji_widget );
284 : }
285 0 : catch( uno::RuntimeException& )
286 : {
287 : }
288 :
289 0 : if( !nRet )
290 0 : nRet = static_cast< sal_IntPtr >( GetSystemData()->aWindow );
291 0 : }
292 : }
293 0 : catch( ... )
294 : {
295 : }
296 0 : }
297 : }
298 : #endif // HAVE_FEATURE_JAVA
299 : #endif
300 :
301 0 : return nRet;
302 : }
303 :
304 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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