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Diffstat (limited to 'media/mtp/MtpProperty.h')
-rw-r--r-- | media/mtp/MtpProperty.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/media/mtp/MtpProperty.h b/media/mtp/MtpProperty.h new file mode 100644 index 0000000..c5b4e28 --- /dev/null +++ b/media/mtp/MtpProperty.h @@ -0,0 +1,82 @@ +/* + * 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. + */ + +#ifndef _MTP_PROPERTY_H +#define _MTP_PROPERTY_H + +#include "MtpTypes.h" + +namespace android { + +class MtpDataPacket; + +class MtpProperty { +public: + MtpPropertyCode mCode; + MtpDataType mType; + bool mWriteable; + MtpPropertyValue mDefaultValue; + MtpPropertyValue mCurrentValue; + + // for array types + int mDefaultArrayLength; + MtpPropertyValue* mDefaultArrayValues; + int mCurrentArrayLength; + MtpPropertyValue* mCurrentArrayValues; + + enum { + kFormNone = 0, + kFormRange = 1, + kFormEnum = 2, + }; + + uint32_t mGroupCode; + uint8_t mFormFlag; + + // for range form + MtpPropertyValue mMinimumValue; + MtpPropertyValue mMaximumValue; + MtpPropertyValue mStepSize; + + // for enum form + int mEnumLength; + MtpPropertyValue* mEnumValues; + +public: + MtpProperty(); + MtpProperty(MtpPropertyCode propCode, + MtpDataType type, + bool writeable = false, + int defaultValue = 0); + virtual ~MtpProperty(); + + inline MtpPropertyCode getPropertyCode() const { return mCode; } + + void read(MtpDataPacket& packet, bool deviceProp); + void write(MtpDataPacket& packet); + + void print(); + +private: + void readValue(MtpDataPacket& packet, MtpPropertyValue& value); + void writeValue(MtpDataPacket& packet, MtpPropertyValue& value); + MtpPropertyValue* readArrayValues(MtpDataPacket& packet, int& length); + void writeArrayValues(MtpDataPacket& packet, MtpPropertyValue* values, int length); +}; + +}; // namespace android + +#endif // _MTP_PROPERTY_H |