| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed 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 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "MtpDatabaseJNI" |
| #include "utils/Log.h" |
| |
| #include <stdio.h> |
| #include <assert.h> |
| #include <limits.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| |
| #include "jni.h" |
| #include "JNIHelp.h" |
| #include "android_runtime/AndroidRuntime.h" |
| |
| #include "MtpDatabase.h" |
| #include "MtpDataPacket.h" |
| #include "MtpObjectInfo.h" |
| #include "MtpProperty.h" |
| #include "MtpStringBuffer.h" |
| #include "MtpUtils.h" |
| #include "mtp.h" |
| |
| extern "C" { |
| #include "jhead.h" |
| } |
| |
| using namespace android; |
| |
| // ---------------------------------------------------------------------------- |
| |
| static jmethodID method_beginSendObject; |
| static jmethodID method_endSendObject; |
| static jmethodID method_getObjectList; |
| static jmethodID method_getNumObjects; |
| static jmethodID method_getSupportedPlaybackFormats; |
| static jmethodID method_getSupportedCaptureFormats; |
| static jmethodID method_getSupportedObjectProperties; |
| static jmethodID method_getSupportedDeviceProperties; |
| static jmethodID method_setObjectProperty; |
| static jmethodID method_getDeviceProperty; |
| static jmethodID method_setDeviceProperty; |
| static jmethodID method_getObjectPropertyList; |
| static jmethodID method_getObjectInfo; |
| static jmethodID method_getObjectFilePath; |
| static jmethodID method_deleteFile; |
| static jmethodID method_getObjectReferences; |
| static jmethodID method_setObjectReferences; |
| static jmethodID method_sessionStarted; |
| static jmethodID method_sessionEnded; |
| |
| static jfieldID field_context; |
| |
| // MtpPropertyList fields |
| static jfieldID field_mCount; |
| static jfieldID field_mResult; |
| static jfieldID field_mObjectHandles; |
| static jfieldID field_mPropertyCodes; |
| static jfieldID field_mDataTypes; |
| static jfieldID field_mLongValues; |
| static jfieldID field_mStringValues; |
| |
| |
| MtpDatabase* getMtpDatabase(JNIEnv *env, jobject database) { |
| return (MtpDatabase *)env->GetIntField(database, field_context); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| class MyMtpDatabase : public MtpDatabase { |
| private: |
| jobject mDatabase; |
| jintArray mIntBuffer; |
| jlongArray mLongBuffer; |
| jcharArray mStringBuffer; |
| |
| public: |
| MyMtpDatabase(JNIEnv *env, jobject client); |
| virtual ~MyMtpDatabase(); |
| void cleanup(JNIEnv *env); |
| |
| virtual MtpObjectHandle beginSendObject(const char* path, |
| MtpObjectFormat format, |
| MtpObjectHandle parent, |
| MtpStorageID storage, |
| uint64_t size, |
| time_t modified); |
| |
| virtual void endSendObject(const char* path, |
| MtpObjectHandle handle, |
| MtpObjectFormat format, |
| bool succeeded); |
| |
| virtual MtpObjectHandleList* getObjectList(MtpStorageID storageID, |
| MtpObjectFormat format, |
| MtpObjectHandle parent); |
| |
| virtual int getNumObjects(MtpStorageID storageID, |
| MtpObjectFormat format, |
| MtpObjectHandle parent); |
| |
| // callee should delete[] the results from these |
| // results can be NULL |
| virtual MtpObjectFormatList* getSupportedPlaybackFormats(); |
| virtual MtpObjectFormatList* getSupportedCaptureFormats(); |
| virtual MtpObjectPropertyList* getSupportedObjectProperties(MtpObjectFormat format); |
| virtual MtpDevicePropertyList* getSupportedDeviceProperties(); |
| |
| virtual MtpResponseCode getObjectPropertyValue(MtpObjectHandle handle, |
| MtpObjectProperty property, |
| MtpDataPacket& packet); |
| |
| virtual MtpResponseCode setObjectPropertyValue(MtpObjectHandle handle, |
| MtpObjectProperty property, |
| MtpDataPacket& packet); |
| |
| virtual MtpResponseCode getDevicePropertyValue(MtpDeviceProperty property, |
| MtpDataPacket& packet); |
| |
| virtual MtpResponseCode setDevicePropertyValue(MtpDeviceProperty property, |
| MtpDataPacket& packet); |
| |
| virtual MtpResponseCode resetDeviceProperty(MtpDeviceProperty property); |
| |
| virtual MtpResponseCode getObjectPropertyList(MtpObjectHandle handle, |
| uint32_t format, uint32_t property, |
| int groupCode, int depth, |
| MtpDataPacket& packet); |
| |
| virtual MtpResponseCode getObjectInfo(MtpObjectHandle handle, |
| MtpObjectInfo& info); |
| |
| virtual void* getThumbnail(MtpObjectHandle handle, size_t& outThumbSize); |
| |
| virtual MtpResponseCode getObjectFilePath(MtpObjectHandle handle, |
| MtpString& outFilePath, |
| int64_t& outFileLength, |
| MtpObjectFormat& outFormat); |
| virtual MtpResponseCode deleteFile(MtpObjectHandle handle); |
| |
| bool getObjectPropertyInfo(MtpObjectProperty property, int& type); |
| bool getDevicePropertyInfo(MtpDeviceProperty property, int& type); |
| |
| virtual MtpObjectHandleList* getObjectReferences(MtpObjectHandle handle); |
| |
| virtual MtpResponseCode setObjectReferences(MtpObjectHandle handle, |
| MtpObjectHandleList* references); |
| |
| virtual MtpProperty* getObjectPropertyDesc(MtpObjectProperty property, |
| MtpObjectFormat format); |
| |
| virtual MtpProperty* getDevicePropertyDesc(MtpDeviceProperty property); |
| |
| virtual void sessionStarted(); |
| |
| virtual void sessionEnded(); |
| }; |
| |
| // ---------------------------------------------------------------------------- |
| |
| static void checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName) { |
| if (env->ExceptionCheck()) { |
| ALOGE("An exception was thrown by callback '%s'.", methodName); |
| LOGE_EX(env); |
| env->ExceptionClear(); |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| MyMtpDatabase::MyMtpDatabase(JNIEnv *env, jobject client) |
| : mDatabase(env->NewGlobalRef(client)), |
| mIntBuffer(NULL), |
| mLongBuffer(NULL), |
| mStringBuffer(NULL) |
| { |
| // create buffers for out arguments |
| // we don't need to be thread-safe so this is OK |
| jintArray intArray = env->NewIntArray(3); |
| if (!intArray) { |
| return; // Already threw. |
| } |
| mIntBuffer = (jintArray)env->NewGlobalRef(intArray); |
| jlongArray longArray = env->NewLongArray(2); |
| if (!longArray) { |
| return; // Already threw. |
| } |
| mLongBuffer = (jlongArray)env->NewGlobalRef(longArray); |
| jcharArray charArray = env->NewCharArray(256); |
| if (!charArray) { |
| return; // Already threw. |
| } |
| mStringBuffer = (jcharArray)env->NewGlobalRef(charArray); |
| } |
| |
| void MyMtpDatabase::cleanup(JNIEnv *env) { |
| env->DeleteGlobalRef(mDatabase); |
| env->DeleteGlobalRef(mIntBuffer); |
| env->DeleteGlobalRef(mLongBuffer); |
| env->DeleteGlobalRef(mStringBuffer); |
| } |
| |
| MyMtpDatabase::~MyMtpDatabase() { |
| } |
| |
| MtpObjectHandle MyMtpDatabase::beginSendObject(const char* path, |
| MtpObjectFormat format, |
| MtpObjectHandle parent, |
| MtpStorageID storage, |
| uint64_t size, |
| time_t modified) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jstring pathStr = env->NewStringUTF(path); |
| MtpObjectHandle result = env->CallIntMethod(mDatabase, method_beginSendObject, |
| pathStr, (jint)format, (jint)parent, (jint)storage, |
| (jlong)size, (jlong)modified); |
| |
| if (pathStr) |
| env->DeleteLocalRef(pathStr); |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| void MyMtpDatabase::endSendObject(const char* path, MtpObjectHandle handle, |
| MtpObjectFormat format, bool succeeded) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jstring pathStr = env->NewStringUTF(path); |
| env->CallVoidMethod(mDatabase, method_endSendObject, pathStr, |
| (jint)handle, (jint)format, (jboolean)succeeded); |
| |
| if (pathStr) |
| env->DeleteLocalRef(pathStr); |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| } |
| |
| MtpObjectHandleList* MyMtpDatabase::getObjectList(MtpStorageID storageID, |
| MtpObjectFormat format, |
| MtpObjectHandle parent) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, method_getObjectList, |
| (jint)storageID, (jint)format, (jint)parent); |
| if (!array) |
| return NULL; |
| MtpObjectHandleList* list = new MtpObjectHandleList(); |
| jint* handles = env->GetIntArrayElements(array, 0); |
| jsize length = env->GetArrayLength(array); |
| for (int i = 0; i < length; i++) |
| list->push(handles[i]); |
| env->ReleaseIntArrayElements(array, handles, 0); |
| env->DeleteLocalRef(array); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return list; |
| } |
| |
| int MyMtpDatabase::getNumObjects(MtpStorageID storageID, |
| MtpObjectFormat format, |
| MtpObjectHandle parent) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| int result = env->CallIntMethod(mDatabase, method_getNumObjects, |
| (jint)storageID, (jint)format, (jint)parent); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| MtpObjectFormatList* MyMtpDatabase::getSupportedPlaybackFormats() { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, |
| method_getSupportedPlaybackFormats); |
| if (!array) |
| return NULL; |
| MtpObjectFormatList* list = new MtpObjectFormatList(); |
| jint* formats = env->GetIntArrayElements(array, 0); |
| jsize length = env->GetArrayLength(array); |
| for (int i = 0; i < length; i++) |
| list->push(formats[i]); |
| env->ReleaseIntArrayElements(array, formats, 0); |
| env->DeleteLocalRef(array); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return list; |
| } |
| |
| MtpObjectFormatList* MyMtpDatabase::getSupportedCaptureFormats() { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, |
| method_getSupportedCaptureFormats); |
| if (!array) |
| return NULL; |
| MtpObjectFormatList* list = new MtpObjectFormatList(); |
| jint* formats = env->GetIntArrayElements(array, 0); |
| jsize length = env->GetArrayLength(array); |
| for (int i = 0; i < length; i++) |
| list->push(formats[i]); |
| env->ReleaseIntArrayElements(array, formats, 0); |
| env->DeleteLocalRef(array); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return list; |
| } |
| |
| MtpObjectPropertyList* MyMtpDatabase::getSupportedObjectProperties(MtpObjectFormat format) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, |
| method_getSupportedObjectProperties, (jint)format); |
| if (!array) |
| return NULL; |
| MtpObjectPropertyList* list = new MtpObjectPropertyList(); |
| jint* properties = env->GetIntArrayElements(array, 0); |
| jsize length = env->GetArrayLength(array); |
| for (int i = 0; i < length; i++) |
| list->push(properties[i]); |
| env->ReleaseIntArrayElements(array, properties, 0); |
| env->DeleteLocalRef(array); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return list; |
| } |
| |
| MtpDevicePropertyList* MyMtpDatabase::getSupportedDeviceProperties() { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, |
| method_getSupportedDeviceProperties); |
| if (!array) |
| return NULL; |
| MtpDevicePropertyList* list = new MtpDevicePropertyList(); |
| jint* properties = env->GetIntArrayElements(array, 0); |
| jsize length = env->GetArrayLength(array); |
| for (int i = 0; i < length; i++) |
| list->push(properties[i]); |
| env->ReleaseIntArrayElements(array, properties, 0); |
| env->DeleteLocalRef(array); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return list; |
| } |
| |
| MtpResponseCode MyMtpDatabase::getObjectPropertyValue(MtpObjectHandle handle, |
| MtpObjectProperty property, |
| MtpDataPacket& packet) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jobject list = env->CallObjectMethod(mDatabase, method_getObjectPropertyList, |
| (jlong)handle, 0, (jlong)property, 0, 0); |
| MtpResponseCode result = env->GetIntField(list, field_mResult); |
| int count = env->GetIntField(list, field_mCount); |
| if (result == MTP_RESPONSE_OK && count != 1) |
| result = MTP_RESPONSE_GENERAL_ERROR; |
| |
| if (result == MTP_RESPONSE_OK) { |
| jintArray objectHandlesArray = (jintArray)env->GetObjectField(list, field_mObjectHandles); |
| jintArray propertyCodesArray = (jintArray)env->GetObjectField(list, field_mPropertyCodes); |
| jintArray dataTypesArray = (jintArray)env->GetObjectField(list, field_mDataTypes); |
| jlongArray longValuesArray = (jlongArray)env->GetObjectField(list, field_mLongValues); |
| jobjectArray stringValuesArray = (jobjectArray)env->GetObjectField(list, field_mStringValues); |
| |
| jint* objectHandles = env->GetIntArrayElements(objectHandlesArray, 0); |
| jint* propertyCodes = env->GetIntArrayElements(propertyCodesArray, 0); |
| jint* dataTypes = env->GetIntArrayElements(dataTypesArray, 0); |
| jlong* longValues = (longValuesArray ? env->GetLongArrayElements(longValuesArray, 0) : NULL); |
| |
| int type = dataTypes[0]; |
| jlong longValue = (longValues ? longValues[0] : 0); |
| |
| // special case date properties, which are strings to MTP |
| // but stored internally as a uint64 |
| if (property == MTP_PROPERTY_DATE_MODIFIED || property == MTP_PROPERTY_DATE_ADDED) { |
| char date[20]; |
| formatDateTime(longValue, date, sizeof(date)); |
| packet.putString(date); |
| goto out; |
| } |
| // release date is stored internally as just the year |
| if (property == MTP_PROPERTY_ORIGINAL_RELEASE_DATE) { |
| char date[20]; |
| snprintf(date, sizeof(date), "%04lld0101T000000", longValue); |
| packet.putString(date); |
| goto out; |
| } |
| |
| switch (type) { |
| case MTP_TYPE_INT8: |
| packet.putInt8(longValue); |
| break; |
| case MTP_TYPE_UINT8: |
| packet.putUInt8(longValue); |
| break; |
| case MTP_TYPE_INT16: |
| packet.putInt16(longValue); |
| break; |
| case MTP_TYPE_UINT16: |
| packet.putUInt16(longValue); |
| break; |
| case MTP_TYPE_INT32: |
| packet.putInt32(longValue); |
| break; |
| case MTP_TYPE_UINT32: |
| packet.putUInt32(longValue); |
| break; |
| case MTP_TYPE_INT64: |
| packet.putInt64(longValue); |
| break; |
| case MTP_TYPE_UINT64: |
| packet.putUInt64(longValue); |
| break; |
| case MTP_TYPE_INT128: |
| packet.putInt128(longValue); |
| break; |
| case MTP_TYPE_UINT128: |
| packet.putInt128(longValue); |
| break; |
| case MTP_TYPE_STR: |
| { |
| jstring stringValue = (jstring)env->GetObjectArrayElement(stringValuesArray, 0); |
| if (stringValue) { |
| const char* str = env->GetStringUTFChars(stringValue, NULL); |
| if (str == NULL) { |
| return MTP_RESPONSE_GENERAL_ERROR; |
| } |
| packet.putString(str); |
| env->ReleaseStringUTFChars(stringValue, str); |
| } else { |
| packet.putEmptyString(); |
| } |
| break; |
| } |
| default: |
| ALOGE("unsupported type in getObjectPropertyValue\n"); |
| result = MTP_RESPONSE_INVALID_OBJECT_PROP_FORMAT; |
| } |
| out: |
| env->ReleaseIntArrayElements(objectHandlesArray, objectHandles, 0); |
| env->ReleaseIntArrayElements(propertyCodesArray, propertyCodes, 0); |
| env->ReleaseIntArrayElements(dataTypesArray, dataTypes, 0); |
| if (longValues) |
| env->ReleaseLongArrayElements(longValuesArray, longValues, 0); |
| |
| env->DeleteLocalRef(objectHandlesArray); |
| env->DeleteLocalRef(propertyCodesArray); |
| env->DeleteLocalRef(dataTypesArray); |
| if (longValuesArray) |
| env->DeleteLocalRef(longValuesArray); |
| if (stringValuesArray) |
| env->DeleteLocalRef(stringValuesArray); |
| } |
| |
| env->DeleteLocalRef(list); |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| MtpResponseCode MyMtpDatabase::setObjectPropertyValue(MtpObjectHandle handle, |
| MtpObjectProperty property, |
| MtpDataPacket& packet) { |
| int type; |
| |
| if (!getObjectPropertyInfo(property, type)) |
| return MTP_RESPONSE_OBJECT_PROP_NOT_SUPPORTED; |
| |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jlong longValue = 0; |
| jstring stringValue = NULL; |
| |
| switch (type) { |
| case MTP_TYPE_INT8: |
| longValue = packet.getInt8(); |
| break; |
| case MTP_TYPE_UINT8: |
| longValue = packet.getUInt8(); |
| break; |
| case MTP_TYPE_INT16: |
| longValue = packet.getInt16(); |
| break; |
| case MTP_TYPE_UINT16: |
| longValue = packet.getUInt16(); |
| break; |
| case MTP_TYPE_INT32: |
| longValue = packet.getInt32(); |
| break; |
| case MTP_TYPE_UINT32: |
| longValue = packet.getUInt32(); |
| break; |
| case MTP_TYPE_INT64: |
| longValue = packet.getInt64(); |
| break; |
| case MTP_TYPE_UINT64: |
| longValue = packet.getUInt64(); |
| break; |
| case MTP_TYPE_STR: |
| { |
| MtpStringBuffer buffer; |
| packet.getString(buffer); |
| stringValue = env->NewStringUTF((const char *)buffer); |
| break; |
| } |
| default: |
| ALOGE("unsupported type in getObjectPropertyValue\n"); |
| return MTP_RESPONSE_INVALID_OBJECT_PROP_FORMAT; |
| } |
| |
| jint result = env->CallIntMethod(mDatabase, method_setObjectProperty, |
| (jint)handle, (jint)property, longValue, stringValue); |
| if (stringValue) |
| env->DeleteLocalRef(stringValue); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| MtpResponseCode MyMtpDatabase::getDevicePropertyValue(MtpDeviceProperty property, |
| MtpDataPacket& packet) { |
| int type; |
| |
| if (!getDevicePropertyInfo(property, type)) |
| return MTP_RESPONSE_DEVICE_PROP_NOT_SUPPORTED; |
| |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jint result = env->CallIntMethod(mDatabase, method_getDeviceProperty, |
| (jint)property, mLongBuffer, mStringBuffer); |
| if (result != MTP_RESPONSE_OK) { |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| jlong* longValues = env->GetLongArrayElements(mLongBuffer, 0); |
| jlong longValue = longValues[0]; |
| env->ReleaseLongArrayElements(mLongBuffer, longValues, 0); |
| |
| switch (type) { |
| case MTP_TYPE_INT8: |
| packet.putInt8(longValue); |
| break; |
| case MTP_TYPE_UINT8: |
| packet.putUInt8(longValue); |
| break; |
| case MTP_TYPE_INT16: |
| packet.putInt16(longValue); |
| break; |
| case MTP_TYPE_UINT16: |
| packet.putUInt16(longValue); |
| break; |
| case MTP_TYPE_INT32: |
| packet.putInt32(longValue); |
| break; |
| case MTP_TYPE_UINT32: |
| packet.putUInt32(longValue); |
| break; |
| case MTP_TYPE_INT64: |
| packet.putInt64(longValue); |
| break; |
| case MTP_TYPE_UINT64: |
| packet.putUInt64(longValue); |
| break; |
| case MTP_TYPE_INT128: |
| packet.putInt128(longValue); |
| break; |
| case MTP_TYPE_UINT128: |
| packet.putInt128(longValue); |
| break; |
| case MTP_TYPE_STR: |
| { |
| jchar* str = env->GetCharArrayElements(mStringBuffer, 0); |
| packet.putString(str); |
| env->ReleaseCharArrayElements(mStringBuffer, str, 0); |
| break; |
| } |
| default: |
| ALOGE("unsupported type in getDevicePropertyValue\n"); |
| return MTP_RESPONSE_INVALID_DEVICE_PROP_FORMAT; |
| } |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return MTP_RESPONSE_OK; |
| } |
| |
| MtpResponseCode MyMtpDatabase::setDevicePropertyValue(MtpDeviceProperty property, |
| MtpDataPacket& packet) { |
| int type; |
| |
| if (!getDevicePropertyInfo(property, type)) |
| return MTP_RESPONSE_DEVICE_PROP_NOT_SUPPORTED; |
| |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jlong longValue = 0; |
| jstring stringValue = NULL; |
| |
| switch (type) { |
| case MTP_TYPE_INT8: |
| longValue = packet.getInt8(); |
| break; |
| case MTP_TYPE_UINT8: |
| longValue = packet.getUInt8(); |
| break; |
| case MTP_TYPE_INT16: |
| longValue = packet.getInt16(); |
| break; |
| case MTP_TYPE_UINT16: |
| longValue = packet.getUInt16(); |
| break; |
| case MTP_TYPE_INT32: |
| longValue = packet.getInt32(); |
| break; |
| case MTP_TYPE_UINT32: |
| longValue = packet.getUInt32(); |
| break; |
| case MTP_TYPE_INT64: |
| longValue = packet.getInt64(); |
| break; |
| case MTP_TYPE_UINT64: |
| longValue = packet.getUInt64(); |
| break; |
| case MTP_TYPE_STR: |
| { |
| MtpStringBuffer buffer; |
| packet.getString(buffer); |
| stringValue = env->NewStringUTF((const char *)buffer); |
| break; |
| } |
| default: |
| ALOGE("unsupported type in setDevicePropertyValue\n"); |
| return MTP_RESPONSE_INVALID_OBJECT_PROP_FORMAT; |
| } |
| |
| jint result = env->CallIntMethod(mDatabase, method_setDeviceProperty, |
| (jint)property, longValue, stringValue); |
| if (stringValue) |
| env->DeleteLocalRef(stringValue); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| MtpResponseCode MyMtpDatabase::resetDeviceProperty(MtpDeviceProperty property) { |
| return -1; |
| } |
| |
| MtpResponseCode MyMtpDatabase::getObjectPropertyList(MtpObjectHandle handle, |
| uint32_t format, uint32_t property, |
| int groupCode, int depth, |
| MtpDataPacket& packet) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jobject list = env->CallObjectMethod(mDatabase, method_getObjectPropertyList, |
| (jlong)handle, (jint)format, (jlong)property, (jint)groupCode, (jint)depth); |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| if (!list) |
| return MTP_RESPONSE_GENERAL_ERROR; |
| int count = env->GetIntField(list, field_mCount); |
| MtpResponseCode result = env->GetIntField(list, field_mResult); |
| |
| packet.putUInt32(count); |
| if (count > 0) { |
| jintArray objectHandlesArray = (jintArray)env->GetObjectField(list, field_mObjectHandles); |
| jintArray propertyCodesArray = (jintArray)env->GetObjectField(list, field_mPropertyCodes); |
| jintArray dataTypesArray = (jintArray)env->GetObjectField(list, field_mDataTypes); |
| jlongArray longValuesArray = (jlongArray)env->GetObjectField(list, field_mLongValues); |
| jobjectArray stringValuesArray = (jobjectArray)env->GetObjectField(list, field_mStringValues); |
| |
| jint* objectHandles = env->GetIntArrayElements(objectHandlesArray, 0); |
| jint* propertyCodes = env->GetIntArrayElements(propertyCodesArray, 0); |
| jint* dataTypes = env->GetIntArrayElements(dataTypesArray, 0); |
| jlong* longValues = (longValuesArray ? env->GetLongArrayElements(longValuesArray, 0) : NULL); |
| |
| for (int i = 0; i < count; i++) { |
| packet.putUInt32(objectHandles[i]); |
| packet.putUInt16(propertyCodes[i]); |
| int type = dataTypes[i]; |
| packet.putUInt16(type); |
| |
| switch (type) { |
| case MTP_TYPE_INT8: |
| packet.putInt8(longValues[i]); |
| break; |
| case MTP_TYPE_UINT8: |
| packet.putUInt8(longValues[i]); |
| break; |
| case MTP_TYPE_INT16: |
| packet.putInt16(longValues[i]); |
| break; |
| case MTP_TYPE_UINT16: |
| packet.putUInt16(longValues[i]); |
| break; |
| case MTP_TYPE_INT32: |
| packet.putInt32(longValues[i]); |
| break; |
| case MTP_TYPE_UINT32: |
| packet.putUInt32(longValues[i]); |
| break; |
| case MTP_TYPE_INT64: |
| packet.putInt64(longValues[i]); |
| break; |
| case MTP_TYPE_UINT64: |
| packet.putUInt64(longValues[i]); |
| break; |
| case MTP_TYPE_INT128: |
| packet.putInt128(longValues[i]); |
| break; |
| case MTP_TYPE_UINT128: |
| packet.putUInt128(longValues[i]); |
| break; |
| case MTP_TYPE_STR: { |
| jstring value = (jstring)env->GetObjectArrayElement(stringValuesArray, i); |
| const char *valueStr = (value ? env->GetStringUTFChars(value, NULL) : NULL); |
| if (valueStr) { |
| packet.putString(valueStr); |
| env->ReleaseStringUTFChars(value, valueStr); |
| } else { |
| packet.putEmptyString(); |
| } |
| env->DeleteLocalRef(value); |
| break; |
| } |
| default: |
| ALOGE("bad or unsupported data type in MyMtpDatabase::getObjectPropertyList"); |
| break; |
| } |
| } |
| |
| env->ReleaseIntArrayElements(objectHandlesArray, objectHandles, 0); |
| env->ReleaseIntArrayElements(propertyCodesArray, propertyCodes, 0); |
| env->ReleaseIntArrayElements(dataTypesArray, dataTypes, 0); |
| if (longValues) |
| env->ReleaseLongArrayElements(longValuesArray, longValues, 0); |
| |
| env->DeleteLocalRef(objectHandlesArray); |
| env->DeleteLocalRef(propertyCodesArray); |
| env->DeleteLocalRef(dataTypesArray); |
| if (longValuesArray) |
| env->DeleteLocalRef(longValuesArray); |
| if (stringValuesArray) |
| env->DeleteLocalRef(stringValuesArray); |
| } |
| |
| env->DeleteLocalRef(list); |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| MtpResponseCode MyMtpDatabase::getObjectInfo(MtpObjectHandle handle, |
| MtpObjectInfo& info) { |
| char date[20]; |
| MtpString path; |
| int64_t length; |
| MtpObjectFormat format; |
| |
| MtpResponseCode result = getObjectFilePath(handle, path, length, format); |
| if (result != MTP_RESPONSE_OK) { |
| return result; |
| } |
| info.mCompressedSize = (length > 0xFFFFFFFFLL ? 0xFFFFFFFF : (uint32_t)length); |
| |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| if (!env->CallBooleanMethod(mDatabase, method_getObjectInfo, |
| (jint)handle, mIntBuffer, mStringBuffer, mLongBuffer)) { |
| return MTP_RESPONSE_INVALID_OBJECT_HANDLE; |
| } |
| |
| jint* intValues = env->GetIntArrayElements(mIntBuffer, 0); |
| info.mStorageID = intValues[0]; |
| info.mFormat = intValues[1]; |
| info.mParent = intValues[2]; |
| env->ReleaseIntArrayElements(mIntBuffer, intValues, 0); |
| |
| jlong* longValues = env->GetLongArrayElements(mLongBuffer, 0); |
| info.mDateCreated = longValues[0]; |
| info.mDateModified = longValues[1]; |
| env->ReleaseLongArrayElements(mLongBuffer, longValues, 0); |
| |
| // info.mAssociationType = (format == MTP_FORMAT_ASSOCIATION ? |
| // MTP_ASSOCIATION_TYPE_GENERIC_FOLDER : |
| // MTP_ASSOCIATION_TYPE_UNDEFINED); |
| info.mAssociationType = MTP_ASSOCIATION_TYPE_UNDEFINED; |
| |
| jchar* str = env->GetCharArrayElements(mStringBuffer, 0); |
| MtpString temp(str); |
| info.mName = strdup((const char *)temp); |
| env->ReleaseCharArrayElements(mStringBuffer, str, 0); |
| |
| // read EXIF data for thumbnail information |
| if (info.mFormat == MTP_FORMAT_EXIF_JPEG || info.mFormat == MTP_FORMAT_JFIF) { |
| ResetJpgfile(); |
| // Start with an empty image information structure. |
| memset(&ImageInfo, 0, sizeof(ImageInfo)); |
| ImageInfo.FlashUsed = -1; |
| ImageInfo.MeteringMode = -1; |
| ImageInfo.Whitebalance = -1; |
| strncpy(ImageInfo.FileName, (const char *)path, PATH_MAX); |
| if (ReadJpegFile((const char*)path, READ_METADATA)) { |
| Section_t* section = FindSection(M_EXIF); |
| if (section) { |
| info.mThumbCompressedSize = ImageInfo.ThumbnailSize; |
| info.mThumbFormat = MTP_FORMAT_EXIF_JPEG; |
| info.mImagePixWidth = ImageInfo.Width; |
| info.mImagePixHeight = ImageInfo.Height; |
| } |
| } |
| DiscardData(); |
| } |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return MTP_RESPONSE_OK; |
| } |
| |
| void* MyMtpDatabase::getThumbnail(MtpObjectHandle handle, size_t& outThumbSize) { |
| MtpString path; |
| int64_t length; |
| MtpObjectFormat format; |
| void* result = NULL; |
| outThumbSize = 0; |
| |
| if (getObjectFilePath(handle, path, length, format) == MTP_RESPONSE_OK |
| && (format == MTP_FORMAT_EXIF_JPEG || format == MTP_FORMAT_JFIF)) { |
| ResetJpgfile(); |
| // Start with an empty image information structure. |
| memset(&ImageInfo, 0, sizeof(ImageInfo)); |
| ImageInfo.FlashUsed = -1; |
| ImageInfo.MeteringMode = -1; |
| ImageInfo.Whitebalance = -1; |
| strncpy(ImageInfo.FileName, (const char *)path, PATH_MAX); |
| if (ReadJpegFile((const char*)path, READ_METADATA)) { |
| Section_t* section = FindSection(M_EXIF); |
| if (section) { |
| outThumbSize = ImageInfo.ThumbnailSize; |
| result = malloc(outThumbSize); |
| if (result) |
| memcpy(result, section->Data + ImageInfo.ThumbnailOffset + 8, outThumbSize); |
| } |
| DiscardData(); |
| } |
| } |
| |
| return result; |
| } |
| |
| MtpResponseCode MyMtpDatabase::getObjectFilePath(MtpObjectHandle handle, |
| MtpString& outFilePath, |
| int64_t& outFileLength, |
| MtpObjectFormat& outFormat) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jint result = env->CallIntMethod(mDatabase, method_getObjectFilePath, |
| (jint)handle, mStringBuffer, mLongBuffer); |
| if (result != MTP_RESPONSE_OK) { |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| jchar* str = env->GetCharArrayElements(mStringBuffer, 0); |
| outFilePath.setTo(str, strlen16(str)); |
| env->ReleaseCharArrayElements(mStringBuffer, str, 0); |
| |
| jlong* longValues = env->GetLongArrayElements(mLongBuffer, 0); |
| outFileLength = longValues[0]; |
| outFormat = longValues[1]; |
| env->ReleaseLongArrayElements(mLongBuffer, longValues, 0); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| MtpResponseCode MyMtpDatabase::deleteFile(MtpObjectHandle handle) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| MtpResponseCode result = env->CallIntMethod(mDatabase, method_deleteFile, (jint)handle); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| struct PropertyTableEntry { |
| MtpObjectProperty property; |
| int type; |
| }; |
| |
| static const PropertyTableEntry kObjectPropertyTable[] = { |
| { MTP_PROPERTY_STORAGE_ID, MTP_TYPE_UINT32 }, |
| { MTP_PROPERTY_OBJECT_FORMAT, MTP_TYPE_UINT16 }, |
| { MTP_PROPERTY_PROTECTION_STATUS, MTP_TYPE_UINT16 }, |
| { MTP_PROPERTY_OBJECT_SIZE, MTP_TYPE_UINT64 }, |
| { MTP_PROPERTY_OBJECT_FILE_NAME, MTP_TYPE_STR }, |
| { MTP_PROPERTY_DATE_MODIFIED, MTP_TYPE_STR }, |
| { MTP_PROPERTY_PARENT_OBJECT, MTP_TYPE_UINT32 }, |
| { MTP_PROPERTY_PERSISTENT_UID, MTP_TYPE_UINT128 }, |
| { MTP_PROPERTY_NAME, MTP_TYPE_STR }, |
| { MTP_PROPERTY_DISPLAY_NAME, MTP_TYPE_STR }, |
| { MTP_PROPERTY_DATE_ADDED, MTP_TYPE_STR }, |
| { MTP_PROPERTY_ARTIST, MTP_TYPE_STR }, |
| { MTP_PROPERTY_ALBUM_NAME, MTP_TYPE_STR }, |
| { MTP_PROPERTY_ALBUM_ARTIST, MTP_TYPE_STR }, |
| { MTP_PROPERTY_TRACK, MTP_TYPE_UINT16 }, |
| { MTP_PROPERTY_ORIGINAL_RELEASE_DATE, MTP_TYPE_STR }, |
| { MTP_PROPERTY_GENRE, MTP_TYPE_STR }, |
| { MTP_PROPERTY_COMPOSER, MTP_TYPE_STR }, |
| { MTP_PROPERTY_DURATION, MTP_TYPE_UINT32 }, |
| { MTP_PROPERTY_DESCRIPTION, MTP_TYPE_STR }, |
| }; |
| |
| static const PropertyTableEntry kDevicePropertyTable[] = { |
| { MTP_DEVICE_PROPERTY_SYNCHRONIZATION_PARTNER, MTP_TYPE_STR }, |
| { MTP_DEVICE_PROPERTY_DEVICE_FRIENDLY_NAME, MTP_TYPE_STR }, |
| { MTP_DEVICE_PROPERTY_IMAGE_SIZE, MTP_TYPE_STR }, |
| }; |
| |
| bool MyMtpDatabase::getObjectPropertyInfo(MtpObjectProperty property, int& type) { |
| int count = sizeof(kObjectPropertyTable) / sizeof(kObjectPropertyTable[0]); |
| const PropertyTableEntry* entry = kObjectPropertyTable; |
| for (int i = 0; i < count; i++, entry++) { |
| if (entry->property == property) { |
| type = entry->type; |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| bool MyMtpDatabase::getDevicePropertyInfo(MtpDeviceProperty property, int& type) { |
| int count = sizeof(kDevicePropertyTable) / sizeof(kDevicePropertyTable[0]); |
| const PropertyTableEntry* entry = kDevicePropertyTable; |
| for (int i = 0; i < count; i++, entry++) { |
| if (entry->property == property) { |
| type = entry->type; |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| MtpObjectHandleList* MyMtpDatabase::getObjectReferences(MtpObjectHandle handle) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, method_getObjectReferences, |
| (jint)handle); |
| if (!array) |
| return NULL; |
| MtpObjectHandleList* list = new MtpObjectHandleList(); |
| jint* handles = env->GetIntArrayElements(array, 0); |
| jsize length = env->GetArrayLength(array); |
| for (int i = 0; i < length; i++) |
| list->push(handles[i]); |
| env->ReleaseIntArrayElements(array, handles, 0); |
| env->DeleteLocalRef(array); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return list; |
| } |
| |
| MtpResponseCode MyMtpDatabase::setObjectReferences(MtpObjectHandle handle, |
| MtpObjectHandleList* references) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| int count = references->size(); |
| jintArray array = env->NewIntArray(count); |
| if (!array) { |
| ALOGE("out of memory in setObjectReferences"); |
| return false; |
| } |
| jint* handles = env->GetIntArrayElements(array, 0); |
| for (int i = 0; i < count; i++) |
| handles[i] = (*references)[i]; |
| env->ReleaseIntArrayElements(array, handles, 0); |
| MtpResponseCode result = env->CallIntMethod(mDatabase, method_setObjectReferences, |
| (jint)handle, array); |
| env->DeleteLocalRef(array); |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| MtpProperty* MyMtpDatabase::getObjectPropertyDesc(MtpObjectProperty property, |
| MtpObjectFormat format) { |
| MtpProperty* result = NULL; |
| switch (property) { |
| case MTP_PROPERTY_OBJECT_FORMAT: |
| // use format as default value |
| result = new MtpProperty(property, MTP_TYPE_UINT16, false, format); |
| break; |
| case MTP_PROPERTY_PROTECTION_STATUS: |
| case MTP_PROPERTY_TRACK: |
| result = new MtpProperty(property, MTP_TYPE_UINT16); |
| break; |
| case MTP_PROPERTY_STORAGE_ID: |
| case MTP_PROPERTY_PARENT_OBJECT: |
| case MTP_PROPERTY_DURATION: |
| result = new MtpProperty(property, MTP_TYPE_UINT32); |
| break; |
| case MTP_PROPERTY_OBJECT_SIZE: |
| result = new MtpProperty(property, MTP_TYPE_UINT64); |
| break; |
| case MTP_PROPERTY_PERSISTENT_UID: |
| result = new MtpProperty(property, MTP_TYPE_UINT128); |
| break; |
| case MTP_PROPERTY_NAME: |
| case MTP_PROPERTY_DISPLAY_NAME: |
| case MTP_PROPERTY_ARTIST: |
| case MTP_PROPERTY_ALBUM_NAME: |
| case MTP_PROPERTY_ALBUM_ARTIST: |
| case MTP_PROPERTY_GENRE: |
| case MTP_PROPERTY_COMPOSER: |
| case MTP_PROPERTY_DESCRIPTION: |
| result = new MtpProperty(property, MTP_TYPE_STR); |
| break; |
| case MTP_PROPERTY_DATE_MODIFIED: |
| case MTP_PROPERTY_DATE_ADDED: |
| case MTP_PROPERTY_ORIGINAL_RELEASE_DATE: |
| result = new MtpProperty(property, MTP_TYPE_STR); |
| result->setFormDateTime(); |
| break; |
| case MTP_PROPERTY_OBJECT_FILE_NAME: |
| // We allow renaming files and folders |
| result = new MtpProperty(property, MTP_TYPE_STR, true); |
| break; |
| } |
| |
| return result; |
| } |
| |
| MtpProperty* MyMtpDatabase::getDevicePropertyDesc(MtpDeviceProperty property) { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| MtpProperty* result = NULL; |
| bool writable = false; |
| |
| switch (property) { |
| case MTP_DEVICE_PROPERTY_SYNCHRONIZATION_PARTNER: |
| case MTP_DEVICE_PROPERTY_DEVICE_FRIENDLY_NAME: |
| writable = true; |
| // fall through |
| case MTP_DEVICE_PROPERTY_IMAGE_SIZE: |
| result = new MtpProperty(property, MTP_TYPE_STR, writable); |
| |
| // get current value |
| jint ret = env->CallIntMethod(mDatabase, method_getDeviceProperty, |
| (jint)property, mLongBuffer, mStringBuffer); |
| if (ret == MTP_RESPONSE_OK) { |
| jchar* str = env->GetCharArrayElements(mStringBuffer, 0); |
| result->setCurrentValue(str); |
| // for read-only properties it is safe to assume current value is default value |
| if (!writable) |
| result->setDefaultValue(str); |
| env->ReleaseCharArrayElements(mStringBuffer, str, 0); |
| } else { |
| ALOGE("unable to read device property, response: %04X", ret); |
| } |
| break; |
| } |
| |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| return result; |
| } |
| |
| void MyMtpDatabase::sessionStarted() { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| env->CallVoidMethod(mDatabase, method_sessionStarted); |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| } |
| |
| void MyMtpDatabase::sessionEnded() { |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| env->CallVoidMethod(mDatabase, method_sessionEnded); |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| static void |
| android_mtp_MtpDatabase_setup(JNIEnv *env, jobject thiz) |
| { |
| MyMtpDatabase* database = new MyMtpDatabase(env, thiz); |
| env->SetIntField(thiz, field_context, (int)database); |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| } |
| |
| static void |
| android_mtp_MtpDatabase_finalize(JNIEnv *env, jobject thiz) |
| { |
| MyMtpDatabase* database = (MyMtpDatabase *)env->GetIntField(thiz, field_context); |
| database->cleanup(env); |
| delete database; |
| env->SetIntField(thiz, field_context, 0); |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); |
| } |
| |
| static jstring |
| android_mtp_MtpPropertyGroup_format_date_time(JNIEnv *env, jobject thiz, jlong seconds) |
| { |
| char date[20]; |
| formatDateTime(seconds, date, sizeof(date)); |
| return env->NewStringUTF(date); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| static JNINativeMethod gMtpDatabaseMethods[] = { |
| {"native_setup", "()V", (void *)android_mtp_MtpDatabase_setup}, |
| {"native_finalize", "()V", (void *)android_mtp_MtpDatabase_finalize}, |
| }; |
| |
| static JNINativeMethod gMtpPropertyGroupMethods[] = { |
| {"format_date_time", "(J)Ljava/lang/String;", |
| (void *)android_mtp_MtpPropertyGroup_format_date_time}, |
| }; |
| |
| static const char* const kClassPathName = "android/mtp/MtpDatabase"; |
| |
| int register_android_mtp_MtpDatabase(JNIEnv *env) |
| { |
| jclass clazz; |
| |
| clazz = env->FindClass("android/mtp/MtpDatabase"); |
| if (clazz == NULL) { |
| ALOGE("Can't find android/mtp/MtpDatabase"); |
| return -1; |
| } |
| method_beginSendObject = env->GetMethodID(clazz, "beginSendObject", "(Ljava/lang/String;IIIJJ)I"); |
| if (method_beginSendObject == NULL) { |
| ALOGE("Can't find beginSendObject"); |
| return -1; |
| } |
| method_endSendObject = env->GetMethodID(clazz, "endSendObject", "(Ljava/lang/String;IIZ)V"); |
| if (method_endSendObject == NULL) { |
| ALOGE("Can't find endSendObject"); |
| return -1; |
| } |
| method_getObjectList = env->GetMethodID(clazz, "getObjectList", "(III)[I"); |
| if (method_getObjectList == NULL) { |
| ALOGE("Can't find getObjectList"); |
| return -1; |
| } |
| method_getNumObjects = env->GetMethodID(clazz, "getNumObjects", "(III)I"); |
| if (method_getNumObjects == NULL) { |
| ALOGE("Can't find getNumObjects"); |
| return -1; |
| } |
| method_getSupportedPlaybackFormats = env->GetMethodID(clazz, "getSupportedPlaybackFormats", "()[I"); |
| if (method_getSupportedPlaybackFormats == NULL) { |
| ALOGE("Can't find getSupportedPlaybackFormats"); |
| return -1; |
| } |
| method_getSupportedCaptureFormats = env->GetMethodID(clazz, "getSupportedCaptureFormats", "()[I"); |
| if (method_getSupportedCaptureFormats == NULL) { |
| ALOGE("Can't find getSupportedCaptureFormats"); |
| return -1; |
| } |
| method_getSupportedObjectProperties = env->GetMethodID(clazz, "getSupportedObjectProperties", "(I)[I"); |
| if (method_getSupportedObjectProperties == NULL) { |
| ALOGE("Can't find getSupportedObjectProperties"); |
| return -1; |
| } |
| method_getSupportedDeviceProperties = env->GetMethodID(clazz, "getSupportedDeviceProperties", "()[I"); |
| if (method_getSupportedDeviceProperties == NULL) { |
| ALOGE("Can't find getSupportedDeviceProperties"); |
| return -1; |
| } |
| method_setObjectProperty = env->GetMethodID(clazz, "setObjectProperty", "(IIJLjava/lang/String;)I"); |
| if (method_setObjectProperty == NULL) { |
| ALOGE("Can't find setObjectProperty"); |
| return -1; |
| } |
| method_getDeviceProperty = env->GetMethodID(clazz, "getDeviceProperty", "(I[J[C)I"); |
| if (method_getDeviceProperty == NULL) { |
| ALOGE("Can't find getDeviceProperty"); |
| return -1; |
| } |
| method_setDeviceProperty = env->GetMethodID(clazz, "setDeviceProperty", "(IJLjava/lang/String;)I"); |
| if (method_setDeviceProperty == NULL) { |
| ALOGE("Can't find setDeviceProperty"); |
| return -1; |
| } |
| method_getObjectPropertyList = env->GetMethodID(clazz, "getObjectPropertyList", |
| "(JIJII)Landroid/mtp/MtpPropertyList;"); |
| if (method_getObjectPropertyList == NULL) { |
| ALOGE("Can't find getObjectPropertyList"); |
| return -1; |
| } |
| method_getObjectInfo = env->GetMethodID(clazz, "getObjectInfo", "(I[I[C[J)Z"); |
| if (method_getObjectInfo == NULL) { |
| ALOGE("Can't find getObjectInfo"); |
| return -1; |
| } |
| method_getObjectFilePath = env->GetMethodID(clazz, "getObjectFilePath", "(I[C[J)I"); |
| if (method_getObjectFilePath == NULL) { |
| ALOGE("Can't find getObjectFilePath"); |
| return -1; |
| } |
| method_deleteFile = env->GetMethodID(clazz, "deleteFile", "(I)I"); |
| if (method_deleteFile == NULL) { |
| ALOGE("Can't find deleteFile"); |
| return -1; |
| } |
| method_getObjectReferences = env->GetMethodID(clazz, "getObjectReferences", "(I)[I"); |
| if (method_getObjectReferences == NULL) { |
| ALOGE("Can't find getObjectReferences"); |
| return -1; |
| } |
| method_setObjectReferences = env->GetMethodID(clazz, "setObjectReferences", "(I[I)I"); |
| if (method_setObjectReferences == NULL) { |
| ALOGE("Can't find setObjectReferences"); |
| return -1; |
| } |
| method_sessionStarted = env->GetMethodID(clazz, "sessionStarted", "()V"); |
| if (method_sessionStarted == NULL) { |
| ALOGE("Can't find sessionStarted"); |
| return -1; |
| } |
| method_sessionEnded = env->GetMethodID(clazz, "sessionEnded", "()V"); |
| if (method_sessionEnded == NULL) { |
| ALOGE("Can't find sessionEnded"); |
| return -1; |
| } |
| |
| field_context = env->GetFieldID(clazz, "mNativeContext", "I"); |
| if (field_context == NULL) { |
| ALOGE("Can't find MtpDatabase.mNativeContext"); |
| return -1; |
| } |
| |
| // now set up fields for MtpPropertyList class |
| clazz = env->FindClass("android/mtp/MtpPropertyList"); |
| if (clazz == NULL) { |
| ALOGE("Can't find android/mtp/MtpPropertyList"); |
| return -1; |
| } |
| field_mCount = env->GetFieldID(clazz, "mCount", "I"); |
| if (field_mCount == NULL) { |
| ALOGE("Can't find MtpPropertyList.mCount"); |
| return -1; |
| } |
| field_mResult = env->GetFieldID(clazz, "mResult", "I"); |
| if (field_mResult == NULL) { |
| ALOGE("Can't find MtpPropertyList.mResult"); |
| return -1; |
| } |
| field_mObjectHandles = env->GetFieldID(clazz, "mObjectHandles", "[I"); |
| if (field_mObjectHandles == NULL) { |
| ALOGE("Can't find MtpPropertyList.mObjectHandles"); |
| return -1; |
| } |
| field_mPropertyCodes = env->GetFieldID(clazz, "mPropertyCodes", "[I"); |
| if (field_mPropertyCodes == NULL) { |
| ALOGE("Can't find MtpPropertyList.mPropertyCodes"); |
| return -1; |
| } |
| field_mDataTypes = env->GetFieldID(clazz, "mDataTypes", "[I"); |
| if (field_mDataTypes == NULL) { |
| ALOGE("Can't find MtpPropertyList.mDataTypes"); |
| return -1; |
| } |
| field_mLongValues = env->GetFieldID(clazz, "mLongValues", "[J"); |
| if (field_mLongValues == NULL) { |
| ALOGE("Can't find MtpPropertyList.mLongValues"); |
| return -1; |
| } |
| field_mStringValues = env->GetFieldID(clazz, "mStringValues", "[Ljava/lang/String;"); |
| if (field_mStringValues == NULL) { |
| ALOGE("Can't find MtpPropertyList.mStringValues"); |
| return -1; |
| } |
| |
| if (AndroidRuntime::registerNativeMethods(env, |
| "android/mtp/MtpDatabase", gMtpDatabaseMethods, NELEM(gMtpDatabaseMethods))) |
| return -1; |
| |
| return AndroidRuntime::registerNativeMethods(env, |
| "android/mtp/MtpPropertyGroup", gMtpPropertyGroupMethods, NELEM(gMtpPropertyGroupMethods)); |
| } |
