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 THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_LOCAL_FILE_SYSTEM_H_ 32 #define THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_LOCAL_FILE_SYSTEM_H_ 33 34 #include <memory> 35 36 #include "base/callback.h" 37 #include "base/macros.h" 38 #include "third_party/blink/public/mojom/filesystem/file_system.mojom-blink-forward.h" 39 #include "third_party/blink/renderer/core/execution_context/execution_context.h" 40 #include "third_party/blink/renderer/platform/bindings/name_client.h" 41 #include "third_party/blink/renderer/platform/heap/handle.h" 42 #include "third_party/blink/renderer/platform/supplementable.h" 43 #include "third_party/blink/renderer/platform/wtf/forward.h" 44 #include "third_party/blink/renderer/platform/wtf/functional.h" 45 46 namespace blink { 47 48 class ExecutionContext; 49 class FileSystemCallbacks; 50 class KURL; 51 class ResolveURICallbacks; 52 53 class LocalFileSystem final : public GarbageCollected<LocalFileSystem>, 54 public Supplement<ExecutionContext>, 55 public NameClient { 56 public: 57 enum SynchronousType { kAsynchronous, kSynchronous }; 58 59 static const char kSupplementName[]; 60 61 explicit LocalFileSystem(ExecutionContext&); 62 63 void ResolveURL(const KURL&, 64 std::unique_ptr<ResolveURICallbacks>, 65 SynchronousType sync_type); 66 void RequestFileSystem(mojom::blink::FileSystemType, 67 int64_t size, 68 std::unique_ptr<FileSystemCallbacks>, 69 SynchronousType sync_type); 70 71 static LocalFileSystem* From(ExecutionContext&); 72 NameInHeapSnapshot()73 const char* NameInHeapSnapshot() const override { return "LocalFileSystem"; } 74 75 private: 76 void ResolveURLCallback(const KURL& file_system_url, 77 std::unique_ptr<ResolveURICallbacks> callbacks, 78 SynchronousType sync_type, 79 bool allowed); 80 void RequestFileSystemCallback(mojom::blink::FileSystemType type, 81 std::unique_ptr<FileSystemCallbacks> callbacks, 82 SynchronousType sync_type, 83 bool allowed); 84 void RequestFileSystemAccessInternal(base::OnceCallback<void(bool)> callback); 85 void FileSystemNotAllowedInternal(std::unique_ptr<FileSystemCallbacks>); 86 void FileSystemNotAllowedInternal(std::unique_ptr<ResolveURICallbacks>); 87 void FileSystemAllowedInternal(mojom::blink::FileSystemType, 88 std::unique_ptr<FileSystemCallbacks> callbacks, 89 SynchronousType sync_type); 90 void ResolveURLInternal(const KURL&, 91 std::unique_ptr<ResolveURICallbacks>, 92 SynchronousType sync_type); 93 94 DISALLOW_COPY_AND_ASSIGN(LocalFileSystem); 95 }; 96 97 } // namespace blink 98 99 #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_LOCAL_FILE_SYSTEM_H_ 100