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;
}
MtpResponseCode MtpServer::doGetDevicePropDesc() {
MtpDeviceProperty propCode = mRequest.getParameter(1);
LOGV("GetDevicePropDesc %s\n", MtpDebug::getDevicePropCodeName(propCode));
MtpProperty* property = mDatabase->getDevicePropertyDesc(propCode);
if (!property)
return MTP_RESPONSE_DEVICE_PROP_NOT_SUPPORTED;
property->write(mData);
delete property;
return MTP_RESPONSE_OK;
}
MtpResponseCode MtpServer::doGetObjectPropDesc() {
MtpObjectProperty propCode = mRequest.getParameter(1);
MtpObjectFormat format = mRequest.getParameter(2);
LOGV("GetObjectPropDesc %s %s\n", MtpDebug::getObjectPropCodeName(propCode),
MtpDebug::getFormatCodeName(format));
MtpProperty* property = mDatabase->getObjectPropertyDesc(propCode, format);
if (!property)
return MTP_RESPONSE_OBJECT_PROP_NOT_SUPPORTED;
property->write(mData);
delete property;
return MTP_RESPONSE_OK;
}
MtpResponseCode MtpServer::doGetDevicePropDesc() {
MtpDeviceProperty propCode = mRequest.getParameter(1);
MTPD("GetDevicePropDesc %s\n", MtpDebug::getDevicePropCodeName(propCode));
mDatabase->lockMutex();
MtpProperty* property = mDatabase->getDevicePropertyDesc(propCode);
mDatabase->unlockMutex();
if (!property) {
MTPE("MtpServer::doGetDevicePropDesc property not supported\n");
return MTP_RESPONSE_DEVICE_PROP_NOT_SUPPORTED;
}
property->write(mData);
delete property;
return MTP_RESPONSE_OK;
}
MtpResponseCode MtpServer::doGetObjectPropDesc() {
MtpObjectProperty propCode = mRequest.getParameter(1);
MtpObjectFormat format = mRequest.getParameter(2);
MTPD("MtpServer::doGetObjectPropDesc %s %s\n", MtpDebug::getObjectPropCodeName(propCode),
MtpDebug::getFormatCodeName(format));
mDatabase->lockMutex();
MtpProperty* property = mDatabase->getObjectPropertyDesc(propCode, format);
mDatabase->unlockMutex();
if (!property) {
MTPE("MtpServer::doGetObjectPropDesc propery not supported\n");
return MTP_RESPONSE_OBJECT_PROP_NOT_SUPPORTED;
}
property->write(mData);
delete property;
return MTP_RESPONSE_OK;
}
//virtual
MtpProperty*
MozMtpDatabase::getObjectPropertyDesc(MtpObjectProperty aProperty,
MtpObjectFormat aFormat)
{
MTP_LOG("Property: %s 0x%08x", ObjectPropertyAsStr(aProperty), aProperty);
MtpProperty* result = nullptr;
switch (aProperty)
{
case MTP_PROPERTY_PROTECTION_STATUS:
result = new MtpProperty(aProperty, MTP_TYPE_UINT16);
break;
case MTP_PROPERTY_OBJECT_FORMAT:
result = new MtpProperty(aProperty, MTP_TYPE_UINT16, false, aFormat);
break;
case MTP_PROPERTY_STORAGE_ID:
case MTP_PROPERTY_PARENT_OBJECT:
case MTP_PROPERTY_WIDTH:
case MTP_PROPERTY_HEIGHT:
case MTP_PROPERTY_IMAGE_BIT_DEPTH:
result = new MtpProperty(aProperty, MTP_TYPE_UINT32);
break;
case MTP_PROPERTY_OBJECT_SIZE:
result = new MtpProperty(aProperty, MTP_TYPE_UINT64);
break;
case MTP_PROPERTY_DISPLAY_NAME:
case MTP_PROPERTY_NAME:
result = new MtpProperty(aProperty, MTP_TYPE_STR);
break;
case MTP_PROPERTY_OBJECT_FILE_NAME:
result = new MtpProperty(aProperty, MTP_TYPE_STR, true);
break;
case MTP_PROPERTY_DATE_CREATED:
case MTP_PROPERTY_DATE_MODIFIED:
case MTP_PROPERTY_DATE_ADDED:
result = new MtpProperty(aProperty, MTP_TYPE_STR);
result->setFormDateTime();
break;
case MTP_PROPERTY_PERSISTENT_UID:
result = new MtpProperty(aProperty, MTP_TYPE_UINT128);
break;
default:
break;
}
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* MtpDevice::getDevicePropDesc(MtpDeviceProperty code) {
Mutex::Autolock autoLock(mMutex);
mRequest.reset();
mRequest.setParameter(1, code);
if (!sendRequest(MTP_OPERATION_GET_DEVICE_PROP_DESC))
return NULL;
if (!readData())
return NULL;
MtpResponseCode ret = readResponse();
if (ret == MTP_RESPONSE_OK) {
MtpProperty* property = new MtpProperty;
property->read(mData);
return property;
}
return NULL;
}
void MtpDevice::print() {
if (mDeviceInfo) {
mDeviceInfo->print();
if (mDeviceInfo->mDeviceProperties) {
ALOGI("***** DEVICE PROPERTIES *****\n");
int count = mDeviceInfo->mDeviceProperties->size();
for (int i = 0; i < count; i++) {
MtpDeviceProperty propCode = (*mDeviceInfo->mDeviceProperties)[i];
MtpProperty* property = getDevicePropDesc(propCode);
if (property) {
property->print();
delete property;
}
}
}
}
if (mDeviceInfo->mPlaybackFormats) {
ALOGI("***** OBJECT PROPERTIES *****\n");
int count = mDeviceInfo->mPlaybackFormats->size();
for (int i = 0; i < count; i++) {
MtpObjectFormat format = (*mDeviceInfo->mPlaybackFormats)[i];
ALOGI("*** FORMAT: %s\n", MtpDebug::getFormatCodeName(format));
MtpObjectPropertyList* props = getObjectPropsSupported(format);
if (props) {
for (size_t j = 0; j < props->size(); j++) {
MtpObjectProperty prop = (*props)[j];
MtpProperty* property = getObjectPropDesc(prop, format);
if (property) {
property->print();
delete property;
} else {
ALOGE("could not fetch property: %s",
MtpDebug::getObjectPropCodeName(prop));
}
}
}
}
}
}