| /* |
| * 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; |
| |
| struct MtpPropertyValue { |
| union { |
| int8_t i8; |
| uint8_t u8; |
| int16_t i16; |
| uint16_t u16; |
| int32_t i32; |
| uint32_t u32; |
| int64_t i64; |
| uint64_t u64; |
| int128_t i128; |
| uint128_t u128; |
| } u; |
| // string in UTF8 format |
| char* str; |
| }; |
| |
| class MtpProperty { |
| public: |
| MtpPropertyCode mCode; |
| MtpDataType mType; |
| bool mWriteable; |
| MtpPropertyValue mDefaultValue; |
| MtpPropertyValue mCurrentValue; |
| |
| // for array types |
| uint32_t mDefaultArrayLength; |
| MtpPropertyValue* mDefaultArrayValues; |
| uint32_t mCurrentArrayLength; |
| MtpPropertyValue* mCurrentArrayValues; |
| |
| enum { |
| kFormNone = 0, |
| kFormRange = 1, |
| kFormEnum = 2, |
| kFormDateTime = 3, |
| }; |
| |
| uint32_t mGroupCode; |
| uint8_t mFormFlag; |
| |
| // for range form |
| MtpPropertyValue mMinimumValue; |
| MtpPropertyValue mMaximumValue; |
| MtpPropertyValue mStepSize; |
| |
| // for enum form |
| uint16_t mEnumLength; |
| MtpPropertyValue* mEnumValues; |
| |
| public: |
| MtpProperty(); |
| MtpProperty(MtpPropertyCode propCode, |
| MtpDataType type, |
| bool writeable = false, |
| int defaultValue = 0); |
| virtual ~MtpProperty(); |
| |
| MtpPropertyCode getPropertyCode() const { return mCode; } |
| MtpDataType getDataType() const { return mType; } |
| |
| bool read(MtpDataPacket& packet); |
| void write(MtpDataPacket& packet); |
| |
| void setDefaultValue(const uint16_t* string); |
| void setCurrentValue(const uint16_t* string); |
| void setCurrentValue(MtpDataPacket& packet); |
| const MtpPropertyValue& getCurrentValue() { return mCurrentValue; } |
| |
| void setFormRange(int min, int max, int step); |
| void setFormEnum(const int* values, int count); |
| void setFormDateTime(); |
| |
| void print(); |
| void print(MtpPropertyValue& value, MtpString& buffer); |
| |
| inline bool isDeviceProperty() const { |
| return ( ((mCode & 0xF000) == 0x5000) |
| || ((mCode & 0xF800) == 0xD000)); |
| } |
| |
| private: |
| bool readValue(MtpDataPacket& packet, MtpPropertyValue& value); |
| void writeValue(MtpDataPacket& packet, MtpPropertyValue& value); |
| MtpPropertyValue* readArrayValues(MtpDataPacket& packet, uint32_t& length); |
| void writeArrayValues(MtpDataPacket& packet, |
| MtpPropertyValue* values, uint32_t length); |
| }; |
| |
| }; // namespace android |
| |
| #endif // _MTP_PROPERTY_H |