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Unified Diff: webkit/blob/blob_storage_host.h

Issue 15746017: Move webkit/blob to new locations. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 7 years, 7 months ago
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Index: webkit/blob/blob_storage_host.h
===================================================================
--- webkit/blob/blob_storage_host.h (revision 202679)
+++ webkit/blob/blob_storage_host.h (working copy)
@@ -1,69 +0,0 @@
-// Copyright (c) 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 WEBKIT_BLOB_BLOB_STORAGE_HOST_H_
-#define WEBKIT_BLOB_BLOB_STORAGE_HOST_H_
-
-#include <map>
-#include <set>
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "base/memory/weak_ptr.h"
-#include "webkit/blob/blob_data.h"
-#include "webkit/storage/webkit_storage_export.h"
-
-class GURL;
-
-namespace webkit_blob {
-
-class BlobDataHandle;
-class BlobStorageHost;
-class BlobStorageContext;
-
-// This class handles the logistics of blob storage for a single child process.
-// There is one instance per child process. When the child process
-// terminates all blob references attibutable to that process go away upon
-// destruction of the instance. The class is single threaded and should
-// only be used on the IO thread.
-class WEBKIT_STORAGE_EXPORT BlobStorageHost {
- public:
- explicit BlobStorageHost(BlobStorageContext* context);
- ~BlobStorageHost();
-
- // Methods to support the IPC message protocol.
- // A false return indicates a problem with the inputs
- // like a non-existent or pre-existent uuid or url.
- bool StartBuildingBlob(const std::string& uuid) WARN_UNUSED_RESULT;
- bool AppendBlobDataItem(const std::string& uuid,
- const BlobData::Item& data_item) WARN_UNUSED_RESULT;
- bool CancelBuildingBlob(const std::string& uuid) WARN_UNUSED_RESULT;
- bool FinishBuildingBlob(const std::string& uuid,
- const std::string& type) WARN_UNUSED_RESULT;
- bool IncrementBlobRefCount(const std::string& uuid) WARN_UNUSED_RESULT;
- bool DecrementBlobRefCount(const std::string& uuid) WARN_UNUSED_RESULT;
- bool RegisterPublicBlobURL(const GURL& blob_url,
- const std::string& uuid) WARN_UNUSED_RESULT;
- bool RevokePublicBlobURL(const GURL& blob_url) WARN_UNUSED_RESULT;
-
- private:
- typedef std::map<std::string, int> BlobReferenceMap;
-
- bool IsInUseInHost(const std::string& uuid);
- bool IsBeingBuiltInHost(const std::string& uuid);
- bool IsUrlRegisteredInHost(const GURL& blob_url);
-
- // Collection of blob ids and a count of how many usages
- // of that id are attributable to this consumer.
- BlobReferenceMap blobs_inuse_map_;
-
- // The set of public blob urls coined by this consumer.
- std::set<GURL> public_blob_urls_;
-
- base::WeakPtr<BlobStorageContext> context_;
-};
-
-} // namespace webkit_blob
-
-#endif // WEBKIT_BLOB_BLOB_STORAGE_HOST_H_
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