Fix Unicode handling.

Change type usages based on changes
in libmtp.

Bug: 70546563
Test: Mtp works, tests pass
Change-Id: Id38c30e3a1311328ec2293792ae0866da2cf90be
diff --git a/media/jni/android_mtp_MtpDatabase.cpp b/media/jni/android_mtp_MtpDatabase.cpp
index 12d7440..4d8c96f 100644
--- a/media/jni/android_mtp_MtpDatabase.cpp
+++ b/media/jni/android_mtp_MtpDatabase.cpp
@@ -16,6 +16,7 @@
 
 #define LOG_TAG "MtpDatabaseJNI"
 #include "utils/Log.h"
+#include "utils/String8.h"
 
 #include "android_media_Utils.h"
 #include "mtp.h"
@@ -161,7 +162,7 @@
     virtual void*                   getThumbnail(MtpObjectHandle handle, size_t& outThumbSize);
 
     virtual MtpResponseCode         getObjectFilePath(MtpObjectHandle handle,
-                                            MtpString& outFilePath,
+                                            MtpStringBuffer& outFilePath,
                                             int64_t& outFileLength,
                                             MtpObjectFormat& outFormat);
     virtual MtpResponseCode         beginDeleteObject(MtpObjectHandle handle);
@@ -287,7 +288,7 @@
     jint* handles = env->GetIntArrayElements(array, 0);
     jsize length = env->GetArrayLength(array);
     for (int i = 0; i < length; i++)
-        list->push(handles[i]);
+        list->push_back(handles[i]);
     env->ReleaseIntArrayElements(array, handles, 0);
     env->DeleteLocalRef(array);
 
@@ -316,7 +317,7 @@
     jint* formats = env->GetIntArrayElements(array, 0);
     jsize length = env->GetArrayLength(array);
     for (int i = 0; i < length; i++)
-        list->push(formats[i]);
+        list->push_back(formats[i]);
     env->ReleaseIntArrayElements(array, formats, 0);
     env->DeleteLocalRef(array);
 
@@ -334,7 +335,7 @@
     jint* formats = env->GetIntArrayElements(array, 0);
     jsize length = env->GetArrayLength(array);
     for (int i = 0; i < length; i++)
-        list->push(formats[i]);
+        list->push_back(formats[i]);
     env->ReleaseIntArrayElements(array, formats, 0);
     env->DeleteLocalRef(array);
 
@@ -352,7 +353,7 @@
     jint* properties = env->GetIntArrayElements(array, 0);
     jsize length = env->GetArrayLength(array);
     for (int i = 0; i < length; i++)
-        list->push(properties[i]);
+        list->push_back(properties[i]);
     env->ReleaseIntArrayElements(array, properties, 0);
     env->DeleteLocalRef(array);
 
@@ -370,7 +371,7 @@
     jint* properties = env->GetIntArrayElements(array, 0);
     jsize length = env->GetArrayLength(array);
     for (int i = 0; i < length; i++)
-        list->push(properties[i]);
+        list->push_back(properties[i]);
     env->ReleaseIntArrayElements(array, properties, 0);
     env->DeleteLocalRef(array);
 
@@ -826,7 +827,7 @@
 
 MtpResponseCode MtpDatabase::getObjectInfo(MtpObjectHandle handle,
                                              MtpObjectInfo& info) {
-    MtpString       path;
+    MtpStringBuffer path;
     int64_t         length;
     MtpObjectFormat format;
 
@@ -861,8 +862,8 @@
     info.mAssociationType = MTP_ASSOCIATION_TYPE_UNDEFINED;
 
     jchar* str = env->GetCharArrayElements(mStringBuffer, 0);
-    MtpString temp(reinterpret_cast<char16_t*>(str));
-    info.mName = strdup((const char *)temp);
+    MtpStringBuffer temp(str);
+    info.mName = strdup(temp);
     env->ReleaseCharArrayElements(mStringBuffer, str, 0);
 
     // read EXIF data for thumbnail information
@@ -901,9 +902,10 @@
         case MTP_FORMAT_TIFF:
         case MTP_FORMAT_TIFF_EP:
         case MTP_FORMAT_DEFINED: {
-            std::unique_ptr<FileStream> stream(new FileStream(path));
+            String8 temp(path);
+            std::unique_ptr<FileStream> stream(new FileStream(temp));
             piex::PreviewImageData image_data;
-            if (!GetExifFromRawImage(stream.get(), path, image_data)) {
+            if (!GetExifFromRawImage(stream.get(), temp, image_data)) {
                 // Couldn't parse EXIF data from a image file via piex.
                 break;
             }
@@ -922,7 +924,7 @@
 }
 
 void* MtpDatabase::getThumbnail(MtpObjectHandle handle, size_t& outThumbSize) {
-    MtpString path;
+    MtpStringBuffer path;
     int64_t length;
     MtpObjectFormat format;
     void* result = NULL;
@@ -957,9 +959,10 @@
             case MTP_FORMAT_TIFF:
             case MTP_FORMAT_TIFF_EP:
             case MTP_FORMAT_DEFINED: {
-                std::unique_ptr<FileStream> stream(new FileStream(path));
+                String8 temp(path);
+                std::unique_ptr<FileStream> stream(new FileStream(temp));
                 piex::PreviewImageData image_data;
-                if (!GetExifFromRawImage(stream.get(), path, image_data)) {
+                if (!GetExifFromRawImage(stream.get(), temp, image_data)) {
                     // Couldn't parse EXIF data from a image file via piex.
                     break;
                 }
@@ -992,7 +995,7 @@
 }
 
 MtpResponseCode MtpDatabase::getObjectFilePath(MtpObjectHandle handle,
-                                                 MtpString& outFilePath,
+                                                 MtpStringBuffer& outFilePath,
                                                  int64_t& outFileLength,
                                                  MtpObjectFormat& outFormat) {
     JNIEnv* env = AndroidRuntime::getJNIEnv();
@@ -1004,8 +1007,7 @@
     }
 
     jchar* str = env->GetCharArrayElements(mStringBuffer, 0);
-    outFilePath.setTo(reinterpret_cast<char16_t*>(str),
-                      strlen16(reinterpret_cast<char16_t*>(str)));
+    outFilePath.set(str);
     env->ReleaseCharArrayElements(mStringBuffer, str, 0);
 
     jlong* longValues = env->GetLongArrayElements(mLongBuffer, 0);
@@ -1146,7 +1148,7 @@
     jint* handles = env->GetIntArrayElements(array, 0);
     jsize length = env->GetArrayLength(array);
     for (int i = 0; i < length; i++)
-        list->push(handles[i]);
+        list->push_back(handles[i]);
     env->ReleaseIntArrayElements(array, handles, 0);
     env->DeleteLocalRef(array);
 
diff --git a/media/jni/android_mtp_MtpDevice.cpp b/media/jni/android_mtp_MtpDevice.cpp
index d42c39e..060eaf9 100644
--- a/media/jni/android_mtp_MtpDevice.cpp
+++ b/media/jni/android_mtp_MtpDevice.cpp
@@ -258,7 +258,7 @@
                 return NULL;
             }
             for (size_t i = 0; i < size; ++i) {
-                elements[i] = deviceInfo->mOperations->itemAt(i);
+                elements[i] = static_cast<int>(deviceInfo->mOperations->at(i));
             }
             env->SetObjectField(info, field_deviceInfo_operationsSupported, operations.get());
         }
@@ -274,7 +274,7 @@
                 return NULL;
             }
             for (size_t i = 0; i < size; ++i) {
-                elements[i] = deviceInfo->mEvents->itemAt(i);
+                elements[i] = static_cast<int>(deviceInfo->mEvents->at(i));
             }
             env->SetObjectField(info, field_deviceInfo_eventsSupported, events.get());
         }
@@ -296,7 +296,7 @@
     int length = storageIDs->size();
     jintArray array = env->NewIntArray(length);
     // FIXME is this cast safe?
-    env->SetIntArrayRegion(array, 0, length, (const jint *)storageIDs->array());
+    env->SetIntArrayRegion(array, 0, length, (const jint *)storageIDs->data());
 
     delete storageIDs;
     return array;
@@ -350,7 +350,7 @@
     int length = handles->size();
     jintArray array = env->NewIntArray(length);
     // FIXME is this cast safe?
-    env->SetIntArrayRegion(array, 0, length, (const jint *)handles->array());
+    env->SetIntArrayRegion(array, 0, length, (const jint *)handles->data());
 
     delete handles;
     return array;
diff --git a/media/jni/android_mtp_MtpServer.cpp b/media/jni/android_mtp_MtpServer.cpp
index 8730e06..c60590a 100644
--- a/media/jni/android_mtp_MtpServer.cpp
+++ b/media/jni/android_mtp_MtpServer.cpp
@@ -67,10 +67,10 @@
     int controlFd = dup(jniGetFDFromFileDescriptor(env, jControlFd));
     MtpServer* server = new MtpServer(getMtpDatabase(env, javaDatabase), controlFd,
             usePtp,
-            MtpString((deviceInfoManufacturerStr != NULL) ? deviceInfoManufacturerStr : ""),
-            MtpString((deviceInfoModelStr != NULL) ? deviceInfoModelStr : ""),
-            MtpString((deviceInfoDeviceVersionStr != NULL) ? deviceInfoDeviceVersionStr : ""),
-            MtpString((deviceInfoSerialNumberStr != NULL) ? deviceInfoSerialNumberStr : ""));
+            (deviceInfoManufacturerStr != NULL) ? deviceInfoManufacturerStr : "",
+            (deviceInfoModelStr != NULL) ? deviceInfoModelStr : "",
+            (deviceInfoDeviceVersionStr != NULL) ? deviceInfoDeviceVersionStr : "",
+            (deviceInfoSerialNumberStr != NULL) ? deviceInfoSerialNumberStr : "");
     if (deviceInfoManufacturerStr != NULL) {
         env->ReleaseStringUTFChars(deviceInfoManufacturer, deviceInfoManufacturerStr);
     }