desktop/source/lib/lokandroid.cxx

   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
  10 #include <unistd.h>
  11 #include <jni.h>
  12
  13 #include <sal/types.h>
  14 #include <vcl/event.hxx>
  15 #include <android/log.h>
  16
  17 #include <osl/detail/android-bootstrap.h>
  18
  19 #include <LibreOfficeKit/LibreOfficeKit.h>
  20
  21 /* LibreOfficeKit */
  22
  23 namespace
  24 {
  25
  26 jfieldID getHandleField(JNIEnv* pEnv, jobject aObject)
  27 {
  28     jclass clazz = pEnv->GetObjectClass(aObject);
  29     return pEnv->GetFieldID(clazz, "handle", "Ljava/nio/ByteBuffer;");
  30 }
  31
  32 template <typename T>
  33 T* getHandle(JNIEnv* pEnv, jobject aObject)
  34 {
  35     jobject aHandle = pEnv->GetObjectField(aObject, getHandleField(pEnv, aObject));
  36     return reinterpret_cast<T*>(pEnv->GetDirectBufferAddress(aHandle));
  37 }
  38
  39 const char* copyJavaString(JNIEnv* pEnv, jstring aJavaString)
  40 {
  41     const char* pTemp = pEnv->GetStringUTFChars(aJavaString, NULL);
  42     const char* pClone = strdup(pTemp);
  43     pEnv->ReleaseStringUTFChars(aJavaString, pTemp);
  44
  45     return pClone;
  46 }
  47
  48 } // anonymous namespace
  49
  50 extern "C" SAL_JNI_EXPORT jstring JNICALL Java_org_libreoffice_kit_Office_getError
  51     (JNIEnv* pEnv, jobject aObject)
  52 {
  53     LibreOfficeKit* pLibreOfficeKit = getHandle<LibreOfficeKit>(pEnv, aObject);
  54     char* pError = pLibreOfficeKit->pClass->getError(pLibreOfficeKit);
  55     return pEnv->NewStringUTF(pError);
  56 }
  57
  58 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Office_destroy
  59     (JNIEnv* pEnv, jobject aObject)
  60 {
  61     LibreOfficeKit* pLibreOfficeKit = getHandle<LibreOfficeKit>(pEnv, aObject);
  62     pLibreOfficeKit->pClass->destroy(pLibreOfficeKit);
  63 }
  64
  65 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Office_destroyAndExit(JNIEnv* pEnv, jobject aObject)
  66 {
  67     LibreOfficeKit* pLibreOfficeKit = getHandle<LibreOfficeKit>(pEnv, aObject);
  68     pLibreOfficeKit->pClass->destroy(pLibreOfficeKit);
  69     // Stopgap fix: _exit() to force the OS to restart the LO activity.
  70     // Better than to hang.
  71     _exit(0);
  72 }
  73
  74 namespace
  75 {
  76
  77 struct CallbackData
  78 {
  79     jmethodID aJavaCallbackMethod;
  80     jclass aClass;
  81     jobject aObject;
  82 };
  83
  84 static CallbackData gCallbackData;
  85 static CallbackData gCallbackDataLOKit;
  86
  87 /**
  88  * Handle retrieved callback
  89  */
  90 void messageCallback(int nType, const char* pPayload, void* pData)
  91 {
  92     CallbackData* pCallbackData = (CallbackData*) pData;
  93
  94     JavaVM* pJavaVM = lo_get_javavm();
  95     JNIEnv* pEnv;
  96     bool bIsAttached = false;
  97
  98     int status = pJavaVM->GetEnv((void **) &pEnv, JNI_VERSION_1_6);
  99
 100     if(status < 0)
 101     {
 102         status = pJavaVM->AttachCurrentThread(&pEnv, NULL);
 103         if(status < 0)
 104         {
 105             return;
 106         }
 107         bIsAttached = true;
 108     }
 109
 110     jstring sPayload = pEnv->NewStringUTF(pPayload);
 111
 112     jvalue aParameter[2];
 113     aParameter[0].i = nType;
 114     aParameter[1].l = sPayload;
 115
 116     pEnv->CallVoidMethodA(pCallbackData->aObject, pCallbackData->aJavaCallbackMethod, aParameter);
 117
 118     pEnv->DeleteLocalRef(sPayload);
 119
 120     if (bIsAttached)
 121     {
 122         pJavaVM->DetachCurrentThread();
 123     }
 124 }
 125
 126 } // anonymous namespace
 127
 128 extern "C" SAL_JNI_EXPORT jobject JNICALL Java_org_libreoffice_kit_Office_documentLoadNative
 129     (JNIEnv* pEnv, jobject aObject, jstring documentPath)
 130 {
 131     const char* aCloneDocumentPath = copyJavaString(pEnv, documentPath);
 132     LibreOfficeKit* pLibreOfficeKit = getHandle<LibreOfficeKit>(pEnv, aObject);
 133
 134     LibreOfficeKitDocument* pDocument = pLibreOfficeKit->pClass->documentLoad(pLibreOfficeKit, aCloneDocumentPath);
 135
 136     if (pDocument == NULL)
 137         return NULL;
 138
 139     jobject aHandle = pEnv->NewDirectByteBuffer((void*) pDocument, sizeof(LibreOfficeKitDocument));
 140
 141     return aHandle;
 142 }
 143
 144 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Office_setDocumentPassword
 145     (JNIEnv* pEnv, jobject aObject, jstring sUrl, jstring sPassword)
 146 {
 147     LibreOfficeKit* pLibreOfficeKit = getHandle<LibreOfficeKit>(pEnv, aObject);
 148
 149     char const* pUrl = copyJavaString(pEnv, sUrl);
 150     if (sPassword == NULL) {
 151         pLibreOfficeKit->pClass->setDocumentPassword(pLibreOfficeKit, pUrl, nullptr);
 152     } else {
 153         char const* pPassword = copyJavaString(pEnv, sPassword);
 154         pLibreOfficeKit->pClass->setDocumentPassword(pLibreOfficeKit, pUrl, pPassword);
 155     }
 156 }
 157
 158 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Office_setOptionalFeatures
 159     (JNIEnv* pEnv, jobject aObject, jlong options)
 160 {
 161     LibreOfficeKit* pLibreOfficeKit = getHandle<LibreOfficeKit>(pEnv, aObject);
 162
 163     unsigned long long pOptions = (unsigned long long)options;
 164
 165     pLibreOfficeKit->pClass->setOptionalFeatures(pLibreOfficeKit, pOptions);
 166 }
 167
 168 /** Implementation of org.libreoffice.kit.Office.bindMessageCallback method */
 169 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Office_bindMessageCallback
 170     (JNIEnv* pEnv, jobject aObject)
 171 {
 172     LibreOfficeKit* pLibreOfficeKit = getHandle<LibreOfficeKit>(pEnv, aObject);
 173
 174     gCallbackDataLOKit.aObject = (jobject) pEnv->NewGlobalRef(aObject);
 175     jclass aClass = pEnv->GetObjectClass(aObject);
 176     gCallbackDataLOKit.aClass = (jclass) pEnv->NewGlobalRef(aClass);
 177
 178     gCallbackDataLOKit.aJavaCallbackMethod = pEnv->GetMethodID(aClass, "messageRetrievedLOKit", "(ILjava/lang/String;)V");
 179
 180     pLibreOfficeKit->pClass->registerCallback(pLibreOfficeKit, messageCallback, (void*) &gCallbackDataLOKit);
 181 }
 182
 183 /* Document */
 184
 185 /** Implementation of org.libreoffice.kit.Document.bindMessageCallback method */
 186 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_bindMessageCallback
 187     (JNIEnv* pEnv, jobject aObject)
 188 {
 189     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 190
 191     gCallbackData.aObject = (jobject) pEnv->NewGlobalRef(aObject);
 192     jclass aClass = pEnv->GetObjectClass(aObject);
 193     gCallbackData.aClass = (jclass) pEnv->NewGlobalRef(aClass);
 194
 195     gCallbackData.aJavaCallbackMethod = pEnv->GetMethodID(aClass, "messageRetrieved", "(ILjava/lang/String;)V");
 196
 197     pDocument->pClass->registerCallback(pDocument, messageCallback, (void*) &gCallbackData);
 198 }
 199
 200 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_destroy
 201     (JNIEnv* pEnv, jobject aObject)
 202 {
 203     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 204     pDocument->pClass->destroy(pDocument);
 205 }
 206
 207 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_setPart
 208     (JNIEnv* pEnv, jobject aObject, jint aPart)
 209 {
 210     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 211     pDocument->pClass->setPart(pDocument, aPart);
 212 }
 213
 214 extern "C" SAL_JNI_EXPORT jint JNICALL Java_org_libreoffice_kit_Document_getPart
 215     (JNIEnv* pEnv, jobject aObject)
 216 {
 217     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 218     return (jint) pDocument->pClass->getPart(pDocument);
 219 }
 220
 221 extern "C" SAL_JNI_EXPORT jstring JNICALL Java_org_libreoffice_kit_Document_getPartPageRectangles
 222     (JNIEnv* pEnv, jobject aObject)
 223 {
 224     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 225     char* pRectangles = pDocument->pClass->getPartPageRectangles(pDocument);
 226     return pEnv->NewStringUTF(pRectangles);
 227 }
 228
 229 extern "C" SAL_JNI_EXPORT jint JNICALL Java_org_libreoffice_kit_Document_getParts
 230     (JNIEnv* pEnv, jobject aObject)
 231 {
 232     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 233     return (jint) pDocument->pClass->getParts(pDocument);
 234 }
 235
 236 extern "C" SAL_JNI_EXPORT jstring JNICALL Java_org_libreoffice_kit_Document_getPartName
 237     (JNIEnv* pEnv, jobject aObject, jint nPartIndex)
 238 {
 239     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 240     char* pPartName = pDocument->pClass->getPartName(pDocument, nPartIndex);
 241     return pEnv->NewStringUTF(pPartName);
 242 }
 243
 244 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_setPartMode
 245     (JNIEnv* pEnv, jobject aObject, jint nPartMode)
 246 {
 247     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 248
 249     pDocument->pClass->setPartMode(pDocument, nPartMode);
 250 }
 251
 252 extern "C" SAL_JNI_EXPORT jint JNICALL Java_org_libreoffice_kit_Document_getDocumentTypeNative
 253     (JNIEnv* pEnv, jobject aObject)
 254 {
 255     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 256     return (jint) pDocument->pClass->getDocumentType(pDocument);
 257 }
 258
 259 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_paintTileNative
 260     (JNIEnv* pEnv, jobject aObject, jobject aByteBuffer,
 261     jint nCanvasWidth, jint nCanvasHeight, jint nTilePosX, jint nTilePosY,
 262     jint nTileWidth, jint nTileHeight)
 263 {
 264     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 265
 266     unsigned char* buffer = (unsigned char*) pEnv->GetDirectBufferAddress(aByteBuffer);
 267     pDocument->pClass->paintTile(pDocument, buffer, nCanvasWidth, nCanvasHeight, nTilePosX, nTilePosY, nTileWidth, nTileHeight);
 268 }
 269
 270 extern "C" SAL_JNI_EXPORT jlong JNICALL Java_org_libreoffice_kit_Document_getDocumentHeight
 271     (JNIEnv* pEnv, jobject aObject)
 272 {
 273     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 274     long nWidth;
 275     long nHeight;
 276     pDocument->pClass->getDocumentSize(pDocument, &nWidth, &nHeight);
 277     return nHeight;
 278 }
 279
 280 extern "C" SAL_JNI_EXPORT jlong JNICALL Java_org_libreoffice_kit_Document_getDocumentWidth
 281     (JNIEnv* pEnv, jobject aObject)
 282 {
 283     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 284     long nWidth;
 285     long nHeight;
 286     pDocument->pClass->getDocumentSize(pDocument, &nWidth, &nHeight);
 287     return nWidth;
 288 }
 289
 290 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_initializeForRendering
 291     (JNIEnv* pEnv, jobject aObject)
 292 {
 293     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 294     pDocument->pClass->initializeForRendering(pDocument, NULL);
 295 }
 296
 297 extern "C" SAL_JNI_EXPORT jint JNICALL Java_org_libreoffice_kit_Document_saveAs
 298     (JNIEnv* pEnv, jobject aObject, jstring sUrl, jstring sFormat, jstring sOptions)
 299 {
 300     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 301
 302     const char* pUrl = pEnv->GetStringUTFChars(sUrl, NULL);
 303     const char* pFormat = pEnv->GetStringUTFChars(sFormat, NULL);
 304     const char* pOptions = pEnv->GetStringUTFChars(sOptions, NULL);
 305
 306     int result = pDocument->pClass->saveAs(pDocument, pUrl, pFormat, pOptions);
 307
 308     pEnv->ReleaseStringUTFChars(sUrl, pUrl);
 309     pEnv->ReleaseStringUTFChars(sFormat, pFormat);
 310     pEnv->ReleaseStringUTFChars(sOptions, pOptions);
 311
 312     return result;
 313 }
 314
 315 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_postKeyEvent
 316     (JNIEnv* pEnv, jobject aObject, jint nType, jint nCharCode, jint nKeyCode)
 317 {
 318     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 319     pDocument->pClass->postKeyEvent(pDocument, nType, nCharCode, nKeyCode);
 320 }
 321
 322 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_postMouseEvent
 323     (JNIEnv* pEnv, jobject aObject, jint type, jint x, jint y, jint count, jint button, jint modifier)
 324 {
 325     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 326     pDocument->pClass->postMouseEvent(pDocument, type, x, y, count, button, modifier);
 327 }
 328
 329 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_postUnoCommand
 330     (JNIEnv* pEnv, jobject aObject, jstring command, jstring arguments, jboolean bNotifyWhenFinished)
 331 {
 332     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 333
 334     const char* pCommand = pEnv->GetStringUTFChars(command, NULL);
 335     const char* pArguments = nullptr;
 336     if (arguments != NULL)
 337         pArguments = pEnv->GetStringUTFChars(arguments, NULL);
 338
 339     pDocument->pClass->postUnoCommand(pDocument, pCommand, pArguments, bNotifyWhenFinished);
 340
 341     pEnv->ReleaseStringUTFChars(command, pCommand);
 342     if (arguments != NULL)
 343         pEnv->ReleaseStringUTFChars(arguments, pArguments);
 344 }
 345
 346 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_setTextSelection
 347     (JNIEnv* pEnv, jobject aObject, jint type, jint x, jint y)
 348 {
 349     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 350     pDocument->pClass->setTextSelection(pDocument, type, x, y);
 351 }
 352
 353 extern "C" SAL_JNI_EXPORT jstring JNICALL Java_org_libreoffice_kit_Document_getTextSelection
 354     (JNIEnv* pEnv, jobject aObject, jstring mimeType)
 355 {
 356     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 357
 358     const char* pMimeType = pEnv->GetStringUTFChars(mimeType, NULL);
 359
 360     char* pUsedMimeType = 0;
 361     LibreOfficeKitDocumentClass* pcls = pDocument->pClass;
 362     char* pSelection = pcls->getTextSelection(pDocument, pMimeType, &pUsedMimeType);
 363     free(pUsedMimeType);
 364
 365     pEnv->ReleaseStringUTFChars(mimeType, pMimeType);
 366
 367     return pEnv->NewStringUTF(pSelection);
 368 }
 369
 370 extern "C" SAL_JNI_EXPORT jboolean JNICALL Java_org_libreoffice_kit_Document_paste
 371     (JNIEnv* pEnv, jobject aObject, jstring mimeType, jstring data)
 372 {
 373     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 374
 375     const char* pMimeType = pEnv->GetStringUTFChars(mimeType, NULL);
 376     const char* pData = pEnv->GetStringUTFChars(data, NULL);
 377     const size_t nSize = pEnv->GetStringLength(data);
 378
 379     LibreOfficeKitDocumentClass* pcls = pDocument->pClass;
 380     bool result = pcls->paste(pDocument, pMimeType, pData, nSize);
 381     pEnv->ReleaseStringUTFChars(mimeType, pMimeType);
 382     pEnv->ReleaseStringUTFChars(data, pData);
 383
 384     return result;
 385 }
 386
 387 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_setGraphicSelection
 388     (JNIEnv* pEnv, jobject aObject, jint type, jint x, jint y)
 389 {
 390     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 391     pDocument->pClass->setGraphicSelection(pDocument, type, x, y);
 392 }
 393
 394 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_resetSelection
 395     (JNIEnv* pEnv, jobject aObject)
 396 {
 397     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 398     pDocument->pClass->resetSelection(pDocument);
 399 }
 400
 401 extern "C" SAL_JNI_EXPORT jstring JNICALL Java_org_libreoffice_kit_Document_getCommandValues
 402     (JNIEnv* pEnv, jobject aObject, jstring command)
 403 {
 404     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 405
 406     const char* pCommand = pEnv->GetStringUTFChars(command, NULL);
 407
 408     char* pValue = pDocument->pClass->getCommandValues(pDocument, pCommand);
 409
 410     pEnv->ReleaseStringUTFChars(command, pCommand);
 411
 412     return pEnv->NewStringUTF(pValue);
 413 }
 414
 415 extern "C" SAL_JNI_EXPORT void JNICALL Java_org_libreoffice_kit_Document_setClientZoom
 416     (JNIEnv* pEnv, jobject aObject, jint nTilePixelWidth, jint nTilePixelHeight, jint nTileTwipWidth, jint nTileTwipHeight)
 417 {
 418     LibreOfficeKitDocument* pDocument = getHandle<LibreOfficeKitDocument>(pEnv, aObject);
 419     pDocument->pClass->setClientZoom(pDocument, nTilePixelWidth, nTilePixelHeight, nTileTwipWidth, nTileTwipHeight);
 420
 421 }
 422 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */