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 #include "config.h" 32 #include "LocalFileSystem.h" 33 34 #if PLATFORM(CHROMIUM) 35 #error "Chromium should not compile this file and instead define its own version of these factories." 36 #endif 37 38 #if ENABLE(FILE_SYSTEM) 39 40 #include "CrossThreadTask.h" 41 #include "DOMFileSystem.h" 42 #include "ErrorCallback.h" 43 #include "ExceptionCode.h" 44 #include "FileError.h" 45 #include "FileSystemCallback.h" 46 #include "FileSystemCallbacks.h" 47 #include "ScriptExecutionContext.h" 48 #include "SecurityOrigin.h" 49 #include <wtf/PassRefPtr.h> 50 51 namespace WebCore { 52 53 LocalFileSystem* LocalFileSystem::s_instance = 0; 54 55 void LocalFileSystem::initializeLocalFileSystem(const String& basePath) 56 { 57 // FIXME: Should initialize the quota settings as well. 58 ASSERT(isMainThread()); 59 ASSERT(!s_instance); 60 if (s_instance) 61 return; 62 63 OwnPtr<LocalFileSystem> localFileSystem = adoptPtr(new LocalFileSystem(basePath)); 64 s_instance = localFileSystem.leakPtr(); 65 } 66 67 LocalFileSystem& LocalFileSystem::localFileSystem() 68 { 69 // initializeLocalFileSystem must be called prior calling this. 70 ASSERT(s_instance); 71 return *s_instance; 72 } 73 74 String LocalFileSystem::fileSystemBasePath() const 75 { 76 return m_basePath; 77 } 78 79 static void openFileSystem(ScriptExecutionContext*, const String& basePath, const String& identifier, AsyncFileSystem::Type type, bool create, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) 80 { 81 AsyncFileSystem::openFileSystem(basePath, identifier, type, create, callbacks); 82 } 83 84 void LocalFileSystem::readFileSystem(ScriptExecutionContext* context, AsyncFileSystem::Type type, PassOwnPtr<AsyncFileSystemCallbacks> callbacks, bool) 85 { 86 // AsyncFileSystem::openFileSystem calls callbacks synchronously, so the method needs to be called asynchronously. 87 context->postTask(createCallbackTask(&openFileSystem, fileSystemBasePath(), context->securityOrigin()->databaseIdentifier(), type, false, callbacks)); 88 } 89 90 void LocalFileSystem::requestFileSystem(ScriptExecutionContext* context, AsyncFileSystem::Type type, long long, PassOwnPtr<AsyncFileSystemCallbacks> callbacks, bool) 91 { 92 // AsyncFileSystem::openFileSystem calls callbacks synchronously, so the method needs to be called asynchronously. 93 context->postTask(createCallbackTask(&openFileSystem, fileSystemBasePath(), context->securityOrigin()->databaseIdentifier(), type, true, callbacks)); 94 } 95 96 } // namespace 97 98 #endif // ENABLE(FILE_SYSTEM) 99