Move blob-related code to platform/blob

Source/core/platform/network/BlobData.h

-/*
- * Copyright (C) 2010 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef BlobData_h
-#define BlobData_h
-
-#include "platform/FileMetadata.h"
-#include "weborigin/KURL.h"
-#include "wtf/Forward.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/ThreadSafeRefCounted.h"
-#include "wtf/text/WTFString.h"
-
-namespace WebCore {
-
-class BlobDataHandle;
-
-class RawData : public ThreadSafeRefCounted<RawData> {
-public:
-    static PassRefPtr<RawData> create()
-    {
-        return adoptRef(new RawData());
-    }
-
-    void detachFromCurrentThread();
-
-    const char* data() const { return m_data.data(); }
-    size_t length() const { return m_data.size(); }
-    Vector<char>* mutableData() { return &m_data; }
-
-private:
-    RawData();
-
-    Vector<char> m_data;
-};
-
-struct BlobDataItem {
-    static const long long toEndOfFile;
-
-    // Default constructor.
-    BlobDataItem()
-        : type(Data)
-        , offset(0)
-        , length(toEndOfFile)
-        , expectedModificationTime(invalidFileTime())
-    {
-    }
-
-    // Constructor for String type (complete string).
-    explicit BlobDataItem(PassRefPtr<RawData> data)
-        : type(Data)
-        , data(data)
-        , offset(0)
-        , length(toEndOfFile)
-        , expectedModificationTime(invalidFileTime())
-    {
-    }
-
-    // Constructor for File type (complete file).
-    explicit BlobDataItem(const String& path)
-        : type(File)
-        , path(path)
-        , offset(0)
-        , length(toEndOfFile)
-        , expectedModificationTime(invalidFileTime())
-    {
-    }
-
-    // Constructor for File type (partial file).
-    BlobDataItem(const String& path, long long offset, long long length, double expectedModificationTime)
-        : type(File)
-        , path(path)
-        , offset(offset)
-        , length(length)
-        , expectedModificationTime(expectedModificationTime)
-    {
-    }
-
-    // Constructor for Blob type.
-    BlobDataItem(PassRefPtr<BlobDataHandle> blobDataHandle, long long offset, long long length)
-        : type(Blob)
-        , blobDataHandle(blobDataHandle)
-        , offset(offset)
-        , length(length)
-        , expectedModificationTime(invalidFileTime())
-    {
-    }
-
-    // Constructor for FileSystem file type.
-    BlobDataItem(const KURL& fileSystemURL, long long offset, long long length, double expectedModificationTime)
-        : type(FileSystemURL)
-        , fileSystemURL(fileSystemURL)
-        , offset(offset)
-        , length(length)
-        , expectedModificationTime(expectedModificationTime)
-    {
-    }
-
-    // Detaches from current thread so that it can be passed to another thread.
-    void detachFromCurrentThread();
-
-    enum {
-        Data,
-        File,
-        Blob,
-        FileSystemURL
-    } type;
-
-    RefPtr<RawData> data; // For Data type.
-    String path; // For File type.
-    KURL fileSystemURL; // For FileSystemURL type.
-    RefPtr<BlobDataHandle> blobDataHandle; // For Blob type.
-
-    long long offset;
-    long long length;
-    double expectedModificationTime;
-
-private:
-    friend class BlobData;
-
-    // Constructor for String type (partial string).
-    BlobDataItem(PassRefPtr<RawData> data, long long offset, long long length)
-        : type(Data)
-        , data(data)
-        , offset(offset)
-        , length(length)
-        , expectedModificationTime(invalidFileTime())
-    {
-    }
-};
-
-typedef Vector<BlobDataItem> BlobDataItemList;
-
-class BlobData {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    static PassOwnPtr<BlobData> create();
-
-    // Detaches from current thread so that it can be passed to another thread.
-    void detachFromCurrentThread();
-
-    const String& contentType() const { return m_contentType; }
-    void setContentType(const String& contentType) { m_contentType = contentType; }
-
-    const String& contentDisposition() const { return m_contentDisposition; }
-    void setContentDisposition(const String& contentDisposition) { m_contentDisposition = contentDisposition; }
-
-    const BlobDataItemList& items() const { return m_items; }
-    void swapItems(BlobDataItemList&);
-
-    void appendData(PassRefPtr<RawData>, long long offset, long long length);
-    void appendFile(const String& path);
-    void appendFile(const String& path, long long offset, long long length, double expectedModificationTime);
-    void appendBlob(PassRefPtr<BlobDataHandle>, long long offset, long long length);
-    void appendFileSystemURL(const KURL&, long long offset, long long length, double expectedModificationTime);
-
-private:
-    friend class BlobRegistryImpl;
-    friend class BlobStorageData;
-
-    BlobData() { }
-
-    // This is only exposed to BlobStorageData.
-    void appendData(const RawData&, long long offset, long long length);
-
-    String m_contentType;
-    String m_contentDisposition;
-    BlobDataItemList m_items;
-};
-
-
-class BlobDataHandle : public ThreadSafeRefCounted<BlobDataHandle> {
-public:
-    // For empty blob construction.
-    static PassRefPtr<BlobDataHandle> create()
-    {
-        return adoptRef(new BlobDataHandle());
-    }
-
-    // For initial creation.
-    static PassRefPtr<BlobDataHandle> create(PassOwnPtr<BlobData> data, long long size)
-    {
-        return adoptRef(new BlobDataHandle(data, size));
-    }
-
-    // For deserialization of script values and ipc messages.
-    static PassRefPtr<BlobDataHandle> create(const String& uuid, const String& type, long long size)
-    {
-        return adoptRef(new BlobDataHandle(uuid, type, size));
-    }
-
-    String uuid() const { return m_uuid.isolatedCopy(); }
-    String type() const { return m_type.isolatedCopy(); }
-    unsigned long long size() { return m_size; }
-
-    ~BlobDataHandle();
-
-private:
-    BlobDataHandle();
-    BlobDataHandle(PassOwnPtr<BlobData>, long long size);
-    BlobDataHandle(const String& uuid, const String& type, long long size);
-
-    const String m_uuid;
-    const String m_type;
-    const long long m_size;
-};
-
-} // namespace WebCore
-
-#endif // BlobData_h