********** WebCore blob hacking

WebCore/platform/network/BlobData.cpp

Index: WebCore/platform/network/BlobData.cpp
===================================================================
--- WebCore/platform/network/BlobData.cpp	(revision 140218)
+++ WebCore/platform/network/BlobData.cpp	(working copy)
@@ -31,6 +31,8 @@
 #include "config.h"
 #include "BlobData.h"
 
+#include "BlobRegistry.h"
+#include "UUID.h"
 #include <wtf/OwnPtr.h>
 #include <wtf/PassOwnPtr.h>
 #include <wtf/PassRefPtr.h>
@@ -53,7 +55,7 @@
 {
     data->detachFromCurrentThread();
     path = path.isolatedCopy();
-    url = url.copy();
+    fileSystemURL = fileSystemURL.copy();
 }
 
 PassOwnPtr<BlobData> BlobData::create()
@@ -84,15 +86,15 @@
     m_items.append(BlobDataItem(path, offset, length, expectedModificationTime));
 }
 
-void BlobData::appendBlob(const KURL& url, long long offset, long long length)
+void BlobData::appendBlob(PassRefPtr<BlobDataHandle> blobDataHandle, long long offset, long long length)
 {
-    m_items.append(BlobDataItem(url, offset, length));
+    m_items.append(BlobDataItem(blobDataHandle, offset, length));
 }
 
 #if ENABLE(FILE_SYSTEM)
-void BlobData::appendURL(const KURL& url, long long offset, long long length, double expectedModificationTime)
+void BlobData::appendFileSystemURL(const KURL& fileSystemURL, long long offset, long long length, double expectedModificationTime)
 {
-    m_items.append(BlobDataItem(url, offset, length, expectedModificationTime));
+    m_items.append(BlobDataItem(fileSystemURL, offset, length, expectedModificationTime));
 }
 #endif
 
@@ -101,4 +103,37 @@
     m_items.swap(items);
 }
 
+
+// TODO: Maybe we could/should embed the 'type' and 'size' into the id value too?
+// In some place we pass just the string id value around and in those places
+// we have no way of reconstructing the 'type' and 'size'.
+
+BlobDataHandle::BlobDataHandle()
+    : m_uuid(createCanonicalUUIDString())
+    , m_size(0)
+{
+    blobRegistry().registerBlobData(m_uuid, BlobData::create());
+}
+
+BlobDataHandle::BlobDataHandle(PassOwnPtr<BlobData> data, long long size)
+    : m_uuid(createCanonicalUUIDString())
+    , m_type(data->contentType().isolatedCopy())
+    , m_size(size)
+{
+    blobRegistry().registerBlobData(m_uuid, data);
+}
+
+BlobDataHandle::BlobDataHandle(const String& uuid, const String& type, long long size)
+    : m_uuid(uuid.isolatedCopy())
+    , m_type(type.isolatedCopy())
+    , m_size(size)
+{
+    blobRegistry().addBlobDataRef(m_uuid);
+}
+
+BlobDataHandle::~BlobDataHandle()
+{
+    blobRegistry().removeBlobDataRef(m_uuid);
+}
+
 } // namespace WebCore