MTP: Include current property value in GetDevicePropDesc
Change-Id: I05125c79ad58b6f75734fcedcc8af9b689fa9ff3
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/mtp/MtpStringBuffer.cpp b/media/mtp/MtpStringBuffer.cpp
index 8bf6731..fe8cf04 100644
--- a/media/mtp/MtpStringBuffer.cpp
+++ b/media/mtp/MtpStringBuffer.cpp
@@ -37,6 +37,13 @@
set(src);
}
+MtpStringBuffer::MtpStringBuffer(const uint16_t* src)
+ : mCharCount(0),
+ mByteCount(1)
+{
+ set(src);
+}
+
MtpStringBuffer::MtpStringBuffer(const MtpStringBuffer& src)
: mCharCount(src.mCharCount),
mByteCount(src.mByteCount)
@@ -88,6 +95,29 @@
mCharCount = count;
}
+void MtpStringBuffer::set(const uint16_t* src) {
+ int count = 0;
+ uint16_t ch;
+ uint8_t* dest = mBuffer;
+
+ while ((ch = *src++) != 0 && count < 255) {
+ if (ch >= 0x0800) {
+ *dest++ = (uint8_t)(0xE0 | (ch >> 12));
+ *dest++ = (uint8_t)(0x80 | ((ch >> 6) & 0x3F));
+ *dest++ = (uint8_t)(0x80 | (ch & 0x3F));
+ } else if (ch >= 0x80) {
+ *dest++ = (uint8_t)(0xC0 | (ch >> 6));
+ *dest++ = (uint8_t)(0x80 | (ch & 0x3F));
+ } else {
+ *dest++ = ch;
+ }
+ count++;
+ }
+ *dest++ = 0;
+ mCharCount = count;
+ mByteCount = dest - mBuffer;
+}
+
void MtpStringBuffer::readFromPacket(MtpDataPacket* packet) {
int count = packet->getUInt8();
uint8_t* dest = mBuffer;