PTP host: Implement getObjectHandles and getObjectInfo commands

Change-Id: I3ff6e52237f400b4e50c534a1f964c80789bfe98
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/mtp/MtpObjectInfo.cpp b/media/mtp/MtpObjectInfo.cpp
new file mode 100644
index 0000000..8ca2880
--- /dev/null
+++ b/media/mtp/MtpObjectInfo.cpp
@@ -0,0 +1,96 @@
+/*
+ * 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.
+ */
+
+#include <stdlib.h>
+
+#include "MtpDataPacket.h"
+#include "MtpObjectInfo.h"
+#include "MtpStringBuffer.h"
+#include "MtpUtils.h"
+
+namespace android {
+
+MtpObjectInfo::MtpObjectInfo(MtpObjectHandle handle)
+    :   mHandle(handle),
+        mStorageID(0),
+        mFormat(0),
+        mProtectionStatus(0),
+        mCompressedSize(0),
+        mThumbFormat(0),
+        mThumbCompressedSize(0),
+        mThumbPixWidth(0),
+        mThumbPixHeight(0),
+        mImagePixWidth(0),
+        mImagePixHeight(0),
+        mImagePixDepth(0),
+        mParent(0),
+        mAssociationType(0),
+        mAssociationDesc(0),
+        mSequenceNumber(0),
+        mName(NULL),
+        mDateCreated(0),
+        mDateModified(0),
+        mKeywords(NULL)
+{
+}
+
+MtpObjectInfo::~MtpObjectInfo() {
+    if (mName)
+        free(mName);
+    if (mKeywords)
+        free(mKeywords);
+}
+
+void MtpObjectInfo::read(MtpDataPacket& packet) {
+    MtpStringBuffer string;
+    time_t time;
+
+    mStorageID = packet.getUInt32();
+    mFormat = packet.getUInt16();
+    mProtectionStatus = packet.getUInt16();
+    mCompressedSize = packet.getUInt32();
+    mThumbFormat = packet.getUInt16();
+    mCompressedSize = packet.getUInt32();
+    mThumbPixWidth = packet.getUInt32();
+    mThumbPixHeight = packet.getUInt32();
+    mImagePixWidth = packet.getUInt32();
+    mImagePixHeight = packet.getUInt32();
+    mImagePixDepth = packet.getUInt32();
+    mParent = packet.getUInt32();
+    mAssociationType = packet.getUInt16();
+    mAssociationDesc = packet.getUInt32();
+    mSequenceNumber = packet.getUInt32();
+
+    packet.getString(string);
+    mName = strdup((const char *)string);
+
+    packet.getString(string);
+    if (parseDateTime((const char*)string, time))
+        mDateCreated = time;
+
+    packet.getString(string);
+    if (parseDateTime((const char*)string, time))
+        mDateModified = time;
+
+    packet.getString(string);
+    mKeywords = strdup((const char *)string);
+}
+
+void MtpObjectInfo::print() {
+    printf("MtpObject Info %08X: %s\n", mHandle, mName);
+}
+
+}  // namespace android