1 files changed, 115 insertions, 0 deletions
diff --git a/mtp/ffs/MtpProperty.h b/mtp/ffs/MtpProperty.h
new file mode 100644
index 000000000..43ec7c3f6
--- /dev/null
+++ b/mtp/ffs/MtpProperty.h
@@ -0,0 +1,115 @@
+/*
+ * 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"
+
+#include <string>
+
+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();
+
+	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);
+	void				print(MtpPropertyValue& value, std::string& buffer);
+};
+
+#endif // _MTP_PROPERTY_H