本文整理汇总了C++中MtpDataPacket类的典型用法代码示例。如果您正苦于以下问题：C++ MtpDataPacket类的具体用法？C++ MtpDataPacket怎么用？C++ MtpDataPacket使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了MtpDataPacket类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: setObjectPropertyValue
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 setObjectPropertyValue\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;
}示例2: GetEntry
//virtual
MtpResponseCode
MozMtpDatabase::getObjectPropertyValue(MtpObjectHandle aHandle,
MtpObjectProperty aProperty,
MtpDataPacket& aPacket)
{
RefPtr<DbEntry> entry = GetEntry(aHandle);
if (!entry) {
MTP_ERR("Invalid Handle: 0x%08x", aHandle);
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
}
MTP_LOG("Handle: 0x%08x '%s' Property: %s 0x%08x",
aHandle, entry->mDisplayName.get(), ObjectPropertyAsStr(aProperty), aProperty);
switch (aProperty)
{
case MTP_PROPERTY_STORAGE_ID: aPacket.putUInt32(entry->mStorageID); break;
case MTP_PROPERTY_PARENT_OBJECT: aPacket.putUInt32(entry->mParent); break;
case MTP_PROPERTY_OBJECT_FORMAT: aPacket.putUInt16(entry->mObjectFormat); break;
case MTP_PROPERTY_OBJECT_SIZE: aPacket.putUInt64(entry->mObjectSize); break;
case MTP_PROPERTY_DISPLAY_NAME: aPacket.putString(entry->mDisplayName.get()); break;
case MTP_PROPERTY_PERSISTENT_UID:
// the same as aPacket.putUInt128
aPacket.putUInt64(entry->mHandle);
aPacket.putUInt64(entry->mStorageID);
break;
case MTP_PROPERTY_NAME: aPacket.putString(entry->mDisplayName.get()); break;
default:
MTP_LOG("Invalid Property: 0x%08x", aProperty);
return MTP_RESPONSE_INVALID_OBJECT_PROP_CODE;
}
return MTP_RESPONSE_OK;
}示例3: write
void MtpProperty::write(MtpDataPacket& packet) {
bool deviceProp = isDeviceProperty();
packet.putUInt16(mCode);
packet.putUInt16(mType);
packet.putUInt8(mWriteable ? 1 : 0);
switch (mType) {
case MTP_TYPE_AINT8:
case MTP_TYPE_AUINT8:
case MTP_TYPE_AINT16:
case MTP_TYPE_AUINT16:
case MTP_TYPE_AINT32:
case MTP_TYPE_AUINT32:
case MTP_TYPE_AINT64:
case MTP_TYPE_AUINT64:
case MTP_TYPE_AINT128:
case MTP_TYPE_AUINT128:
writeArrayValues(packet, mDefaultArrayValues, mDefaultArrayLength);
if (deviceProp)
writeArrayValues(packet, mCurrentArrayValues, mCurrentArrayLength);
break;
default:
writeValue(packet, mDefaultValue);
if (deviceProp)
writeValue(packet, mCurrentValue);
}
packet.putUInt32(mGroupCode);
if (!deviceProp)
packet.putUInt8(mFormFlag);
if (mFormFlag == kFormRange) {
writeValue(packet, mMinimumValue);
writeValue(packet, mMaximumValue);
writeValue(packet, mStepSize);
} else if (mFormFlag == kFormEnum) {
packet.putUInt16(mEnumLength);
for (int i = 0; i < mEnumLength; i++)
writeValue(packet, mEnumValues[i]);
}
}示例4: newFileName
//virtual
MtpResponseCode
MozMtpDatabase::setObjectPropertyValue(MtpObjectHandle aHandle,
MtpObjectProperty aProperty,
MtpDataPacket& aPacket)
{
MTP_LOG("Handle: 0x%08x Property: 0x%08x", aHandle, aProperty);
// Only support file name change
if (aProperty != MTP_PROPERTY_OBJECT_FILE_NAME) {
MTP_ERR("property 0x%x not supported", aProperty);
return MTP_RESPONSE_OBJECT_PROP_NOT_SUPPORTED;
}
if (GetTypeOfObjectProp(aProperty) != MTP_TYPE_STR) {
MTP_ERR("property type 0x%x not supported", GetTypeOfObjectProp(aProperty));
return MTP_RESPONSE_GENERAL_ERROR;
}
RefPtr<DbEntry> entry = GetEntry(aHandle);
if (!entry) {
MTP_ERR("Invalid Handle: 0x%08x", aHandle);
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
}
MtpStringBuffer buf;
aPacket.getString(buf);
nsDependentCString newFileName(buf);
nsCString newFileFullPath(GetPathWithoutFileName(entry->mPath) + newFileName);
if (PR_Rename(entry->mPath.get(), newFileFullPath.get()) != PR_SUCCESS) {
MTP_ERR("Failed to rename '%s' to '%s'",
entry->mPath.get(), newFileFullPath.get());
return MTP_RESPONSE_GENERAL_ERROR;
}
MTP_LOG("renamed '%s' to '%s'", entry->mPath.get(), newFileFullPath.get());
entry->mPath = newFileFullPath;
entry->mObjectName = BaseName(entry->mPath);
entry->mDisplayName = entry->mObjectName;
return MTP_RESPONSE_OK;
}示例5: read
bool MtpProperty::read(MtpDataPacket& packet) {
uint8_t temp8;
if (!packet.getUInt16(mCode)) return false;
bool deviceProp = isDeviceProperty();
if (!packet.getUInt16(mType)) return false;
if (!packet.getUInt8(temp8)) return false;
mWriteable = (temp8 == 1);
switch (mType) {
case MTP_TYPE_AINT8:
case MTP_TYPE_AUINT8:
case MTP_TYPE_AINT16:
case MTP_TYPE_AUINT16:
case MTP_TYPE_AINT32:
case MTP_TYPE_AUINT32:
case MTP_TYPE_AINT64:
case MTP_TYPE_AUINT64:
case MTP_TYPE_AINT128:
case MTP_TYPE_AUINT128:
mDefaultArrayValues = readArrayValues(packet, mDefaultArrayLength);
if (!mDefaultArrayValues) return false;
if (deviceProp) {
mCurrentArrayValues = readArrayValues(packet, mCurrentArrayLength);
if (!mCurrentArrayValues) return false;
}
break;
default:
if (!readValue(packet, mDefaultValue)) return false;
if (deviceProp) {
if (!readValue(packet, mCurrentValue)) return false;
}
}
if (!deviceProp) {
if (!packet.getUInt32(mGroupCode)) return false;
}
if (!packet.getUInt8(mFormFlag)) return false;
if (mFormFlag == kFormRange) {
if (!readValue(packet, mMinimumValue)) return false;
if (!readValue(packet, mMaximumValue)) return false;
if (!readValue(packet, mStepSize)) return false;
} else if (mFormFlag == kFormEnum) {
if (!packet.getUInt16(mEnumLength)) return false;
mEnumValues = new MtpPropertyValue[mEnumLength];
for (int i = 0; i < mEnumLength; i++) {
if (!readValue(packet, mEnumValues[i])) return false;
}
}
return true;
}示例6: read
void MtpProperty::read(MtpDataPacket& packet) {
mCode = packet.getUInt16();
bool deviceProp = isDeviceProperty();
mType = packet.getUInt16();
mWriteable = (packet.getUInt8() == 1);
switch (mType) {
case MTP_TYPE_AINT8:
case MTP_TYPE_AUINT8:
case MTP_TYPE_AINT16:
case MTP_TYPE_AUINT16:
case MTP_TYPE_AINT32:
case MTP_TYPE_AUINT32:
case MTP_TYPE_AINT64:
case MTP_TYPE_AUINT64:
case MTP_TYPE_AINT128:
case MTP_TYPE_AUINT128:
mDefaultArrayValues = readArrayValues(packet, mDefaultArrayLength);
if (deviceProp)
mCurrentArrayValues = readArrayValues(packet, mCurrentArrayLength);
break;
default:
readValue(packet, mDefaultValue);
if (deviceProp)
readValue(packet, mCurrentValue);
}
if (!deviceProp)
mGroupCode = packet.getUInt32();
mFormFlag = packet.getUInt8();
if (mFormFlag == kFormRange) {
readValue(packet, mMinimumValue);
readValue(packet, mMaximumValue);
readValue(packet, mStepSize);
} else if (mFormFlag == kFormEnum) {
mEnumLength = packet.getUInt16();
mEnumValues = new MtpPropertyValue[mEnumLength];
for (int i = 0; i < mEnumLength; i++)
readValue(packet, mEnumValues[i]);
}
}示例7: QueryEntries
//virtual
MtpResponseCode
MozMtpDatabase::getObjectPropertyList(MtpObjectHandle aHandle,
uint32_t aFormat,
uint32_t aProperty,
int aGroupCode,
int aDepth,
MtpDataPacket& aPacket)
{
MTP_LOG("Handle: 0x%08x Format: 0x%08x aProperty: 0x%08x aGroupCode: %d aDepth %d",
aHandle, aFormat, aProperty, aGroupCode, aDepth);
if (aDepth > 1) {
return MTP_RESPONSE_SPECIFICATION_BY_DEPTH_UNSUPPORTED;
}
if (aGroupCode != 0) {
return MTP_RESPONSE_SPECIFICATION_BY_GROUP_UNSUPPORTED;
}
MatchType matchType = MatchAll;
uint32_t matchField1 = 0;
uint32_t matchField2 = 0;
// aHandle == 0 implies all objects at the root level
// further specificed by aFormat and/or aDepth
if (aFormat == 0) {
if (aHandle == 0xffffffff) {
// select all objects
matchType = MatchAll;
} else {
if (aDepth == 1) {
// select objects whose Parent matches aHandle
matchType = MatchParent;
matchField1 = aHandle;
} else {
// select object whose handle matches aHandle
matchType = MatchHandle;
matchField1 = aHandle;
}
}
} else {
if (aHandle == 0xffffffff) {
// select all objects whose format matches aFormat
matchType = MatchFormat;
matchField1 = aFormat;
} else {
if (aDepth == 1) {
// select objects whose Parent is aHandle and format matches aFormat
matchType = MatchParentFormat;
matchField1 = aHandle;
matchField2 = aFormat;
} else {
// select objects whose handle is aHandle and format matches aFormat
matchType = MatchHandleFormat;
matchField1 = aHandle;
matchField2 = aFormat;
}
}
}
UnprotectedDbArray result;
QueryEntries(matchType, matchField1, matchField2, result);
const MtpObjectProperty *objectPropertyList;
size_t numObjectProperties = 0;
MtpObjectProperty objectProperty;
if (aProperty == 0xffffffff) {
// return all supported properties
numObjectProperties = MOZ_ARRAY_LENGTH(sSupportedObjectProperties);
objectPropertyList = sSupportedObjectProperties;
} else {
// return property indicated by aProperty
numObjectProperties = 1;
objectProperty = aProperty;
objectPropertyList = &objectProperty;
}
UnprotectedDbArray::size_type numEntries = result.Length();
UnprotectedDbArray::index_type entryIdx;
char dateStr[20];
aPacket.putUInt32(numObjectProperties * numEntries);
for (entryIdx = 0; entryIdx < numEntries; entryIdx++) {
RefPtr<DbEntry> entry = result[entryIdx];
for (size_t propertyIdx = 0; propertyIdx < numObjectProperties; propertyIdx++) {
aPacket.putUInt32(entry->mHandle);
MtpObjectProperty prop = objectPropertyList[propertyIdx];
aPacket.putUInt16(prop);
switch (prop) {
case MTP_PROPERTY_STORAGE_ID:
aPacket.putUInt16(MTP_TYPE_UINT32);
aPacket.putUInt32(entry->mStorageID);
break;
case MTP_PROPERTY_PARENT_OBJECT:
//.........这里部分代码省略.........
示例8: read
void MtpDeviceInfo::read(MtpDataPacket& packet) {
MtpStringBuffer string;
// read the device info
mStandardVersion = packet.getUInt16();
mVendorExtensionID = packet.getUInt32();
mVendorExtensionVersion = packet.getUInt16();
packet.getString(string);
mVendorExtensionDesc = strdup((const char *)string);
mFunctionalCode = packet.getUInt16();
mOperations = packet.getAUInt16();
mEvents = packet.getAUInt16();
mDeviceProperties = packet.getAUInt16();
mCaptureFormats = packet.getAUInt16();
mPlaybackFormats = packet.getAUInt16();
packet.getString(string);
mManufacturer = strdup((const char *)string);
packet.getString(string);
mModel = strdup((const char *)string);
packet.getString(string);
mVersion = strdup((const char *)string);
packet.getString(string);
mSerial = strdup((const char *)string);
}示例9: read
void MtpObjectInfo::read(MtpDataPacket& packet) {
MtpStringBuffer string;
time_t time;
mStorageID = packet.getUInt32();
mFormat = packet.getUInt16();
mProtectionStatus = packet.getUInt16();
mCompressedSize = packet.getUInt32();
mThumbFormat = packet.getUInt16();
mThumbCompressedSize = packet.getUInt32();
mThumbPixWidth = packet.getUInt32();
mThumbPixHeight = packet.getUInt32();
mImagePixWidth = packet.getUInt32();
mImagePixHeight = packet.getUInt32();
mImagePixDepth = packet.getUInt32();
mParent = packet.getUInt32();
mAssociationType = packet.getUInt16();
mAssociationDesc = packet.getUInt32();
mSequenceNumber = packet.getUInt32();
packet.getString(string);
mName = strdup((const char *)string);
packet.getString(string);
if (parseDateTime((const char*)string, time))
mDateCreated = time;
packet.getString(string);
if (parseDateTime((const char*)string, time))
mDateModified = time;
packet.getString(string);
mKeywords = strdup((const char *)string);
}示例10: writeArrayValues
void MtpProperty::writeArrayValues(MtpDataPacket& packet, MtpPropertyValue* values, int length) {
packet.putUInt32(length);
for (int i = 0; i < length; i++)
writeValue(packet, values[i]);
}示例11: writeValue
void MtpProperty::writeValue(MtpDataPacket& packet, MtpPropertyValue& value) {
MtpStringBuffer stringBuffer;
switch (mType) {
case MTP_TYPE_INT8:
case MTP_TYPE_AINT8:
packet.putInt8(value.u.i8);
break;
case MTP_TYPE_UINT8:
case MTP_TYPE_AUINT8:
packet.putUInt8(value.u.u8);
break;
case MTP_TYPE_INT16:
case MTP_TYPE_AINT16:
packet.putInt16(value.u.i16);
break;
case MTP_TYPE_UINT16:
case MTP_TYPE_AUINT16:
packet.putUInt16(value.u.u16);
break;
case MTP_TYPE_INT32:
case MTP_TYPE_AINT32:
packet.putInt32(value.u.i32);
break;
case MTP_TYPE_UINT32:
case MTP_TYPE_AUINT32:
packet.putUInt32(value.u.u32);
break;
case MTP_TYPE_INT64:
case MTP_TYPE_AINT64:
packet.putInt64(value.u.i64);
break;
case MTP_TYPE_UINT64:
case MTP_TYPE_AUINT64:
packet.putUInt64(value.u.u64);
break;
case MTP_TYPE_INT128:
case MTP_TYPE_AINT128:
packet.putInt128(value.u.i128);
break;
case MTP_TYPE_UINT128:
case MTP_TYPE_AUINT128:
packet.putUInt128(value.u.u128);
break;
case MTP_TYPE_STR:
if (value.str)
packet.putString(value.str);
else
packet.putEmptyString();
break;
default:
ALOGE("unknown type %04X in MtpProperty::writeValue", mType);
}
}示例12: readValue
bool MtpProperty::readValue(MtpDataPacket& packet, MtpPropertyValue& value) {
MtpStringBuffer stringBuffer;
switch (mType) {
case MTP_TYPE_INT8:
case MTP_TYPE_AINT8:
if (!packet.getInt8(value.u.i8)) return false;
break;
case MTP_TYPE_UINT8:
case MTP_TYPE_AUINT8:
if (!packet.getUInt8(value.u.u8)) return false;
break;
case MTP_TYPE_INT16:
case MTP_TYPE_AINT16:
if (!packet.getInt16(value.u.i16)) return false;
break;
case MTP_TYPE_UINT16:
case MTP_TYPE_AUINT16:
if (!packet.getUInt16(value.u.u16)) return false;
break;
case MTP_TYPE_INT32:
case MTP_TYPE_AINT32:
if (!packet.getInt32(value.u.i32)) return false;
break;
case MTP_TYPE_UINT32:
case MTP_TYPE_AUINT32:
if (!packet.getUInt32(value.u.u32)) return false;
break;
case MTP_TYPE_INT64:
case MTP_TYPE_AINT64:
if (!packet.getInt64(value.u.i64)) return false;
break;
case MTP_TYPE_UINT64:
case MTP_TYPE_AUINT64:
if (!packet.getUInt64(value.u.u64)) return false;
break;
case MTP_TYPE_INT128:
case MTP_TYPE_AINT128:
if (!packet.getInt128(value.u.i128)) return false;
break;
case MTP_TYPE_UINT128:
case MTP_TYPE_AUINT128:
if (!packet.getUInt128(value.u.u128)) return false;
break;
case MTP_TYPE_STR:
if (!packet.getString(stringBuffer)) return false;
value.str = strdup(stringBuffer);
break;
default:
ALOGE("unknown type %04X in MtpProperty::readValue", mType);
return false;
}
return true;
}示例13: getObjectPropertyList
int MtpStorage::getObjectPropertyList(MtpObjectHandle handle, uint32_t format, uint32_t property, int groupCode, int depth, MtpDataPacket& packet) {
MTPD("MtpStorage::getObjectPropertyList handle: %u, format: %x, property: %x\n", handle, format, property);
if (groupCode != 0)
{
MTPE("getObjectPropertyList: groupCode unsupported\n");
return -1; // TODO: RESPONSE_SPECIFICATION_BY_GROUP_UNSUPPORTED
}
// TODO: support all the special stuff, like:
// handle == 0 -> all objects at the root level
// handle == 0xffffffff -> all objects (on all storages? how could we support that?)
// format == 0 -> all formats, otherwise filter by ObjectFormatCode
// property == 0xffffffff -> all properties except those with group code 0xffffffff
// if property == 0 then use groupCode
// groupCode == 0 -> return Specification_By_Group_Unsupported
// depth == 0xffffffff -> all objects incl. and below handle
std::vector<PropEntry> results;
if (handle == 0xffffffff) {
// TODO: all object on all storages (needs a different design, result packet needs to be built by server instead of storage)
} else if (handle == 0) {
// all objects at the root level
Tree* root = mtpmap[0];
MtpObjectHandleList list;
root->getmtpids(&list);
for (MtpObjectHandleList::iterator it = list.begin(); it != list.end(); ++it) {
Node* node = root->findNode(*it);
if (!node) {
MTPE("BUG: node not found for root entry with handle %u\n", *it);
break;
}
queryNodeProperties(results, node, property, groupCode, mStorageID);
}
} else {
// single object
Node* node = findNode(handle);
if (!node) {
// Item is not on this storage device
return -1;
}
queryNodeProperties(results, node, property, groupCode, mStorageID);
}
MTPD("count: %u\n", results.size());
packet.putUInt32(results.size());
for (size_t i = 0; i < results.size(); ++i) {
PropEntry& p = results[i];
MTPD("handle: %u, propertyCode: %x = %s, datatype: %x, value: %llu\n",
p.handle, p.property, MtpDebug::getObjectPropCodeName(p.property),
p.datatype, p.intvalue);
packet.putUInt32(p.handle);
packet.putUInt16(p.property);
packet.putUInt16(p.datatype);
switch (p.datatype) {
case MTP_TYPE_INT8:
MTPD("MTP_TYPE_INT8\n");
packet.putInt8(p.intvalue);
break;
case MTP_TYPE_UINT8:
MTPD("MTP_TYPE_UINT8\n");
packet.putUInt8(p.intvalue);
break;
case MTP_TYPE_INT16:
MTPD("MTP_TYPE_INT16\n");
packet.putInt16(p.intvalue);
break;
case MTP_TYPE_UINT16:
MTPD("MTP_TYPE_UINT16\n");
packet.putUInt16(p.intvalue);
break;
case MTP_TYPE_INT32:
MTPD("MTP_TYPE_INT32\n");
packet.putInt32(p.intvalue);
break;
case MTP_TYPE_UINT32:
MTPD("MTP_TYPE_UINT32\n");
packet.putUInt32(p.intvalue);
break;
case MTP_TYPE_INT64:
MTPD("MTP_TYPE_INT64\n");
packet.putInt64(p.intvalue);
break;
case MTP_TYPE_UINT64:
MTPD("MTP_TYPE_UINT64\n");
packet.putUInt64(p.intvalue);
break;
case MTP_TYPE_INT128:
MTPD("MTP_TYPE_INT128\n");
packet.putInt128(p.intvalue);
break;
case MTP_TYPE_UINT128:
MTPD("MTP_TYPE_UINT128\n");
packet.putUInt128(p.intvalue);
break;
case MTP_TYPE_STR:
MTPD("MTP_TYPE_STR: %s\n", p.strvalue.c_str());
packet.putString(p.strvalue.c_str());
break;
default:
//.........这里部分代码省略.........
示例14: getObjectPropertyList
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;
}示例15: getDevicePropertyValue
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;
}