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 LocalFileSystem_h 32 #define LocalFileSystem_h 33 34 #include "core/workers/WorkerClients.h" 35 #include "platform/FileSystemType.h" 36 #include "wtf/Forward.h" 37 #include "wtf/Functional.h" 38 39 namespace blink { 40 41 class AsyncFileSystemCallbacks; 42 class CallbackWrapper; 43 class FileSystemClient; 44 class ExecutionContext; 45 class KURL; 46 class LocalFrame; 47 class WebFileSystem; 48 49 class LocalFileSystem FINAL : public NoBaseWillBeGarbageCollectedFinalized<LocalFileSystem>, public WillBeHeapSupplement<LocalFrame>, public WillBeHeapSupplement<WorkerClients> { 50 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(LocalFileSystem); 51 WTF_MAKE_NONCOPYABLE(LocalFileSystem); 52 public: 53 static PassOwnPtrWillBeRawPtr<LocalFileSystem> create(PassOwnPtr<FileSystemClient>); 54 virtual ~LocalFileSystem(); 55 56 void resolveURL(ExecutionContext*, const KURL&, PassOwnPtr<AsyncFileSystemCallbacks>); 57 void requestFileSystem(ExecutionContext*, FileSystemType, long long size, PassOwnPtr<AsyncFileSystemCallbacks>); 58 void deleteFileSystem(ExecutionContext*, FileSystemType, PassOwnPtr<AsyncFileSystemCallbacks>); 59 60 FileSystemClient* client() { return m_client.get(); } 61 62 static const char* supplementName(); 63 static LocalFileSystem* from(ExecutionContext&); 64 65 virtual void trace(Visitor* visitor) OVERRIDE 66 { 67 WillBeHeapSupplement<LocalFrame>::trace(visitor); 68 WillBeHeapSupplement<WorkerClients>::trace(visitor); 69 } 70 71 protected: 72 explicit LocalFileSystem(PassOwnPtr<FileSystemClient>); 73 74 private: 75 WebFileSystem* fileSystem() const; 76 void requestFileSystemAccessInternal(ExecutionContext*, const Closure& allowed, const Closure& denied); 77 void fileSystemNotAvailable(PassRefPtrWillBeRawPtr<ExecutionContext>, CallbackWrapper*); 78 void fileSystemNotAllowedInternal(PassRefPtrWillBeRawPtr<ExecutionContext>, CallbackWrapper*); 79 void fileSystemAllowedInternal(PassRefPtrWillBeRawPtr<ExecutionContext>, FileSystemType, CallbackWrapper*); 80 void resolveURLInternal(PassRefPtrWillBeRawPtr<ExecutionContext>, const KURL&, CallbackWrapper*); 81 void deleteFileSystemInternal(PassRefPtrWillBeRawPtr<ExecutionContext>, FileSystemType, CallbackWrapper*); 82 OwnPtr<FileSystemClient> m_client; 83 }; 84 85 } // namespace blink 86 87 #endif // LocalFileSystem_h 88
