57 static bool CheckForJniException(JNIEnv* env) {  in CheckForJniException()  argument
58     if (env->ExceptionCheck()) {  in CheckForJniException()
59         env->ExceptionDescribe();  in CheckForJniException()
60         env->ExceptionClear();  in CheckForJniException()
69 static jfieldID CacheField(JNIEnv* env, jclass clazz, const char field_name[], const char type[]) {  in CacheField()  argument
72     fid = env->GetFieldID(clazz, actual_field_name.c_str(), type);  in CacheField()
79 int insertFileInternal(JNIEnv* env, jobject media_provider_object, jmethodID mid_insert_file,  in insertFileInternal()  argument
81     ScopedLocalRef<jstring> j_path(env, env->NewStringUTF(path.c_str()));  in insertFileInternal()
82     int res = env->CallIntMethod(media_provider_object, mid_insert_file, j_path.get(), uid);  in insertFileInternal()
84     if (CheckForJniException(env)) {  in insertFileInternal()
90 int deleteFileInternal(JNIEnv* env, jobject media_provider_object, jmethodID mid_delete_file,  in deleteFileInternal()  argument
92     ScopedLocalRef<jstring> j_path(env, env->NewStringUTF(path.c_str()));  in deleteFileInternal()
93     int res = env->CallIntMethod(media_provider_object, mid_delete_file, j_path.get(), uid);  in deleteFileInternal()
95     if (CheckForJniException(env)) {  in deleteFileInternal()
101 int isDirAccessAllowedInternal(JNIEnv* env, jobject media_provider_object,  in isDirAccessAllowedInternal()  argument
104     ScopedLocalRef<jstring> j_path(env, env->NewStringUTF(path.c_str()));  in isDirAccessAllowedInternal()
105     int res = env->CallIntMethod(media_provider_object, mid_is_diraccess_allowed, j_path.get(), uid,  in isDirAccessAllowedInternal()
108     if (CheckForJniException(env)) {  in isDirAccessAllowedInternal()
114 bool isUidAllowedAccessToDataOrObbPathInternal(JNIEnv* env, jobject media_provider_object,  in isUidAllowedAccessToDataOrObbPathInternal()  argument
117     ScopedLocalRef<jstring> j_path(env, env->NewStringUTF(path.c_str()));  in isUidAllowedAccessToDataOrObbPathInternal()
118     bool res = env->CallBooleanMethod(media_provider_object, mid_is_uid_allowed_path_access_, uid,  in isUidAllowedAccessToDataOrObbPathInternal()
121     if (CheckForJniException(env)) {  in isUidAllowedAccessToDataOrObbPathInternal()
128         JNIEnv* env, jobject media_provider_object, jmethodID mid_get_files_in_dir, uid_t uid,  in getFilesInDirectoryInternal()  argument
131     ScopedLocalRef<jstring> j_path(env, env->NewStringUTF(path.c_str()));  in getFilesInDirectoryInternal()
134             env, static_cast<jobjectArray>(env->CallObjectMethod(  in getFilesInDirectoryInternal()
137     if (CheckForJniException(env)) {  in getFilesInDirectoryInternal()
142     int de_count = env->GetArrayLength(files_list.get());  in getFilesInDirectoryInternal()
144         ScopedLocalRef<jstring> j_d_name(env,  in getFilesInDirectoryInternal()
145                                          (jstring)env->GetObjectArrayElement(files_list.get(), 0));  in getFilesInDirectoryInternal()
146         ScopedUtfChars d_name(env, j_d_name.get());  in getFilesInDirectoryInternal()
159         ScopedLocalRef<jstring> j_d_name(env,  in getFilesInDirectoryInternal()
160                                          (jstring)env->GetObjectArrayElement(files_list.get(), i));  in getFilesInDirectoryInternal()
161         ScopedUtfChars d_name(env, j_d_name.get());  in getFilesInDirectoryInternal()
174 int renameInternal(JNIEnv* env, jobject media_provider_object, jmethodID mid_rename,  in renameInternal()  argument
176     ScopedLocalRef<jstring> j_old_path(env, env->NewStringUTF(old_path.c_str()));  in renameInternal()
177     ScopedLocalRef<jstring> j_new_path(env, env->NewStringUTF(new_path.c_str()));  in renameInternal()
178     int res = env->CallIntMethod(media_provider_object, mid_rename, j_old_path.get(),  in renameInternal()
181     if (CheckForJniException(env)) {  in renameInternal()
187 void onFileCreatedInternal(JNIEnv* env, jobject media_provider_object,  in onFileCreatedInternal()  argument
189     ScopedLocalRef<jstring> j_path(env, env->NewStringUTF(path.c_str()));  in onFileCreatedInternal()
191     env->CallVoidMethod(media_provider_object, mid_on_file_created, j_path.get());  in onFileCreatedInternal()
192     CheckForJniException(env);  in onFileCreatedInternal()
212 MediaProviderWrapper::MediaProviderWrapper(JNIEnv* env, jobject media_provider) {  in MediaProviderWrapper()  argument
217     media_provider_object_ = reinterpret_cast<jobject>(env->NewGlobalRef(media_provider));  in MediaProviderWrapper()
218     media_provider_class_ = env->FindClass("com/android/providers/media/MediaProvider");  in MediaProviderWrapper()
222     media_provider_class_ = reinterpret_cast<jclass>(env->NewGlobalRef(media_provider_class_));  in MediaProviderWrapper()
225     mid_insert_file_ = CacheMethod(env, "insertFileIfNecessary", "(Ljava/lang/String;I)I");  in MediaProviderWrapper()
226     mid_delete_file_ = CacheMethod(env, "deleteFile", "(Ljava/lang/String;I)I");  in MediaProviderWrapper()
227     mid_on_file_open_ = CacheMethod(env, "onFileOpen",  in MediaProviderWrapper()
230     mid_is_diraccess_allowed_ = CacheMethod(env, "isDirAccessAllowed", "(Ljava/lang/String;II)I");  in MediaProviderWrapper()
232             CacheMethod(env, "getFilesInDirectory", "(Ljava/lang/String;I)[Ljava/lang/String;");  in MediaProviderWrapper()
233     mid_rename_ = CacheMethod(env, "rename", "(Ljava/lang/String;Ljava/lang/String;I)I");  in MediaProviderWrapper()
235             CacheMethod(env, "isUidAllowedAccessToDataOrObbPath", "(ILjava/lang/String;)Z");  in MediaProviderWrapper()
236     mid_on_file_created_ = CacheMethod(env, "onFileCreated", "(Ljava/lang/String;)V");  in MediaProviderWrapper()
237     mid_should_allow_lookup_ = CacheMethod(env, "shouldAllowLookup", "(II)Z");  in MediaProviderWrapper()
238     mid_is_app_clone_user_ = CacheMethod(env, "isAppCloneUser", "(I)Z");  in MediaProviderWrapper()
239     mid_transform_ = CacheMethod(env, "transform", "(Ljava/lang/String;Ljava/lang/String;IIIII)Z");  in MediaProviderWrapper()
241             CacheMethod(env, "onFileLookup",  in MediaProviderWrapper()
245     file_lookup_result_class_ = env->FindClass("com/android/providers/media/FileLookupResult");  in MediaProviderWrapper()
250             reinterpret_cast<jclass>(env->NewGlobalRef(file_lookup_result_class_));  in MediaProviderWrapper()
251     fid_file_lookup_transforms_ = CacheField(env, file_lookup_result_class_, "transforms", "I");  in MediaProviderWrapper()
253             CacheField(env, file_lookup_result_class_, "transformsReason", "I");  in MediaProviderWrapper()
254     fid_file_lookup_uid_ = CacheField(env, file_lookup_result_class_, "uid", "I");  in MediaProviderWrapper()
256             CacheField(env, file_lookup_result_class_, "transformsComplete", "Z");  in MediaProviderWrapper()
258             CacheField(env, file_lookup_result_class_, "transformsSupported", "Z");  in MediaProviderWrapper()
260             CacheField(env, file_lookup_result_class_, "ioPath", "Ljava/lang/String;");  in MediaProviderWrapper()
263     file_open_result_class_ = env->FindClass("com/android/providers/media/FileOpenResult");  in MediaProviderWrapper()
267     file_open_result_class_ = reinterpret_cast<jclass>(env->NewGlobalRef(file_open_result_class_));  in MediaProviderWrapper()
268     fid_file_open_status_ = CacheField(env, file_open_result_class_, "status", "I");  in MediaProviderWrapper()
269     fid_file_open_uid_ = CacheField(env, file_open_result_class_, "uid", "I");  in MediaProviderWrapper()
270     fid_file_open_transforms_uid_ = CacheField(env, file_open_result_class_, "transformsUid", "I");  in MediaProviderWrapper()
272             CacheField(env, file_open_result_class_, "redactionRanges", "[J");  in MediaProviderWrapper()
273     fid_file_open_fd_ = CacheField(env, file_open_result_class_, "nativeFd", "I");  in MediaProviderWrapper()
277     JNIEnv* env = MaybeAttachCurrentThread();  in ~MediaProviderWrapper()  local
278     env->DeleteGlobalRef(media_provider_object_);  in ~MediaProviderWrapper()
279     env->DeleteGlobalRef(media_provider_class_);  in ~MediaProviderWrapper()
287     JNIEnv* env = MaybeAttachCurrentThread();  in InsertFile()  local
288     return insertFileInternal(env, media_provider_object_, mid_insert_file_, path, uid);  in InsertFile()
297     JNIEnv* env = MaybeAttachCurrentThread();  in DeleteFile()  local
298     return deleteFileInternal(env, media_provider_object_, mid_delete_file_, path, uid);  in DeleteFile()
306     JNIEnv* env = MaybeAttachCurrentThread();  in OnFileOpen()  local
312     ScopedLocalRef<jstring> j_path(env, env->NewStringUTF(path.c_str()));  in OnFileOpen()
313     ScopedLocalRef<jstring> j_io_path(env, env->NewStringUTF(io_path.c_str()));  in OnFileOpen()
315             env, env->CallObjectMethod(media_provider_object_, mid_on_file_open_, j_path.get(),  in OnFileOpen()
319     if (CheckForJniException(env)) {  in OnFileOpen()
323     const int status = env->GetIntField(j_res_file_open_object.get(), fid_file_open_status_);  in OnFileOpen()
324     const int original_uid = env->GetIntField(j_res_file_open_object.get(), fid_file_open_uid_);  in OnFileOpen()
326             env->GetIntField(j_res_file_open_object.get(), fid_file_open_transforms_uid_);  in OnFileOpen()
327     const int fd = env->GetIntField(j_res_file_open_object.get(), fid_file_open_fd_);  in OnFileOpen()
331                 env, static_cast<jlongArray>(env->GetObjectField(j_res_file_open_object.get(),  in OnFileOpen()
333         ScopedLongArrayRO redaction_ranges(env, redaction_ranges_local_ref.get());  in OnFileOpen()
358     JNIEnv* env = MaybeAttachCurrentThread();  in IsCreatingDirAllowed()  local
359     return isDirAccessAllowedInternal(env, media_provider_object_, mid_is_diraccess_allowed_, path,  in IsCreatingDirAllowed()
368     JNIEnv* env = MaybeAttachCurrentThread();  in IsDeletingDirAllowed()  local
369     return isDirAccessAllowedInternal(env, media_provider_object_, mid_is_diraccess_allowed_, path,  in IsDeletingDirAllowed()
382     JNIEnv* env = MaybeAttachCurrentThread();  in GetDirectoryEntries()  local
383 …  res = getFilesInDirectoryInternal(env, media_provider_object_, mid_get_files_in_dir_, uid, path);  in GetDirectoryEntries()
402     JNIEnv* env = MaybeAttachCurrentThread();  in IsOpendirAllowed()  local
403     return isDirAccessAllowedInternal(env, media_provider_object_, mid_is_diraccess_allowed_, path,  in IsOpendirAllowed()
413     JNIEnv* env = MaybeAttachCurrentThread();  in isUidAllowedAccessToDataOrObbPath()  local
415             env, media_provider_object_, mid_is_uid_allowed_access_to_data_or_obb_path_, uid, path);  in isUidAllowedAccessToDataOrObbPath()
427     JNIEnv* env = MaybeAttachCurrentThread();  in Rename()  local
428     return renameInternal(env, media_provider_object_, mid_rename_, old_path, new_path, uid);  in Rename()
432     JNIEnv* env = MaybeAttachCurrentThread();  in OnFileCreated()  local
434     return onFileCreatedInternal(env, media_provider_object_, mid_on_file_created_, path);  in OnFileCreated()
438     JNIEnv* env = MaybeAttachCurrentThread();  in ShouldAllowLookup()  local
440     bool res = env->CallBooleanMethod(media_provider_object_, mid_should_allow_lookup_, uid,  in ShouldAllowLookup()
443     if (CheckForJniException(env)) {  in ShouldAllowLookup()
450     JNIEnv* env = MaybeAttachCurrentThread();  in IsAppCloneUser()  local
452     bool res = env->CallBooleanMethod(media_provider_object_, mid_is_app_clone_user_, userId);  in IsAppCloneUser()
454     if (CheckForJniException(env)) {  in IsAppCloneUser()
462     JNIEnv* env = MaybeAttachCurrentThread();  in FileLookup()  local
464     ScopedLocalRef<jstring> j_path(env, env->NewStringUTF(path.c_str()));  in FileLookup()
467             env, env->CallObjectMethod(media_provider_object_, mid_file_lookup_, j_path.get(), uid,  in FileLookup()
470     if (CheckForJniException(env)) {  in FileLookup()
474     int transforms = env->GetIntField(j_res_file_lookup_object.get(), fid_file_lookup_transforms_);  in FileLookup()
476             env->GetIntField(j_res_file_lookup_object.get(), fid_file_lookup_transforms_reason_);  in FileLookup()
477     int original_uid = env->GetIntField(j_res_file_lookup_object.get(), fid_file_lookup_uid_);  in FileLookup()
478     bool transforms_complete = env->GetBooleanField(j_res_file_lookup_object.get(),  in FileLookup()
480     bool transforms_supported = env->GetBooleanField(j_res_file_lookup_object.get(),  in FileLookup()
483             env,  in FileLookup()
484             (jstring)env->GetObjectField(j_res_file_lookup_object.get(), fid_file_lookup_io_path_));  in FileLookup()
485     ScopedUtfChars j_io_path_utf(env, j_io_path.get());  in FileLookup()
496     JNIEnv* env = MaybeAttachCurrentThread();  in Transform()  local
498     ScopedLocalRef<jstring> j_src(env, env->NewStringUTF(src.c_str()));  in Transform()
499     ScopedLocalRef<jstring> j_dst(env, env->NewStringUTF(dst.c_str()));  in Transform()
500     bool res = env->CallBooleanMethod(media_provider_object_, mid_transform_, j_src.get(),  in Transform()
504     if (CheckForJniException(env)) {  in Transform()
518 jmethodID MediaProviderWrapper::CacheMethod(JNIEnv* env, const char method_name[],  in CacheMethod()  argument
523     mid = env->GetMethodID(media_provider_class_, actual_method_name.c_str(), signature);  in CacheMethod()
540     JNIEnv* env = nullptr;  in MaybeAttachCurrentThread()  local
541     if (gJavaVm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_4) == JNI_OK) {  in MaybeAttachCurrentThread()
542         return env;  in MaybeAttachCurrentThread()
550     CHECK_EQ(gJavaVm->AttachCurrentThread(&env, nullptr), 0);  in MaybeAttachCurrentThread()
551     CHECK(env != nullptr);  in MaybeAttachCurrentThread()
553     pthread_setspecific(gJniEnvKey, env);  in MaybeAttachCurrentThread()
554     return env;  in MaybeAttachCurrentThread()