| // 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_FILEAPI_WEBBLOBREGISTRY_IMPL_H_ |