1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef BlobRegistry_h 32 #define BlobRegistry_h 33 34 #include <wtf/PassOwnPtr.h> 35 #include <wtf/PassRefPtr.h> 36 #include <wtf/Vector.h> 37 38 namespace WebCore { 39 40 class BlobData; 41 class BlobRegistry; 42 class KURL; 43 class ResourceError; 44 class ResourceHandle; 45 class ResourceHandleClient; 46 class ResourceRequest; 47 class ResourceResponse; 48 49 // Returns a single instance of BlobRegistry. 50 BlobRegistry& blobRegistry(); 51 52 // BlobRegistry is not thread-safe. It should only be called from main thread. 53 class BlobRegistry { 54 public: 55 // Registers a blob URL referring to the specified blob data. 56 virtual void registerBlobURL(const KURL&, PassOwnPtr<BlobData>) = 0; 57 58 // Registers a blob URL referring to the blob data identified by the specified srcURL. 59 virtual void registerBlobURL(const KURL&, const KURL& srcURL) = 0; 60 61 virtual void unregisterBlobURL(const KURL&) = 0; 62 virtual PassRefPtr<ResourceHandle> createResourceHandle(const ResourceRequest&, ResourceHandleClient*) = 0; 63 virtual bool loadResourceSynchronously(const ResourceRequest&, ResourceError&, ResourceResponse&, Vector<char>& data) = 0; 64 65 protected: ~BlobRegistry()66 virtual ~BlobRegistry() { } 67 }; 68 69 } // namespace WebCore 70 71 #endif // BlobRegistry_h 72