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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_CHILD_WEBBLOBREGISTRY_IMPL_H_
#define CONTENT_CHILD_WEBBLOBREGISTRY_IMPL_H_
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "third_party/WebKit/public/platform/WebBlobRegistry.h"
namespace blink {
class WebThreadSafeData;
} // namespace blink
namespace storage {
class DataElement;
}
namespace content {
class ThreadSafeSender;
class WebBlobRegistryImpl : public blink::WebBlobRegistry {
public:
explicit WebBlobRegistryImpl(ThreadSafeSender* sender);
virtual ~WebBlobRegistryImpl();
virtual void registerBlobData(const blink::WebString& uuid,
const blink::WebBlobData& data);
virtual void addBlobDataRef(const blink::WebString& uuid);
virtual void removeBlobDataRef(const blink::WebString& uuid);
virtual void registerPublicBlobURL(const blink::WebURL&,
const blink::WebString& uuid);
virtual void revokePublicBlobURL(const blink::WebURL&);
// Additional support for Streams.
virtual void registerStreamURL(const blink::WebURL& url,
const blink::WebString& content_type);
virtual void registerStreamURL(const blink::WebURL& url,
const blink::WebURL& src_url);
virtual void addDataToStream(const blink::WebURL& url,
const char* data, size_t length);
virtual void flushStream(const blink::WebURL& url);
virtual void finalizeStream(const blink::WebURL& url);
virtual void abortStream(const blink::WebURL& url);
virtual void unregisterStreamURL(const blink::WebURL& url);
private:
// Sends the data in the buffer as a blob item, then resets the buffer size.
void FlushBlobItemBuffer(const std::string& uuid_str,
storage::DataElement* data_buffer) const;
// Adds the item to the consolidating buffer, flushing the buffer if needed.
// If the item is too big for the buffer, it is sent as Sync messages in
// shared memory instead.
void BufferBlobData(const std::string& uuid_str,
const blink::WebThreadSafeData& data,
storage::DataElement* data_buffer);
// Sends data that is larger than the threshold.
void SendOversizedDataForBlob(const std::string& uuid_str,
const blink::WebThreadSafeData& data);
scoped_refptr<ThreadSafeSender> sender_;
};
} // namespace content
#endif // CONTENT_CHILD_WEBBLOBREGISTRY_IMPL_H_
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