| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef DOMFileSystem_h |
| #define DOMFileSystem_h |
| |
| #include "bindings/core/v8/ActiveScriptWrappable.h" |
| #include "bindings/core/v8/ScriptWrappable.h" |
| #include "core/dom/ActiveDOMObject.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "core/dom/ExecutionContextTask.h" |
| #include "modules/ModulesExport.h" |
| #include "modules/filesystem/DOMFileSystemBase.h" |
| #include "modules/filesystem/EntriesCallback.h" |
| #include "platform/heap/Handle.h" |
| #include "public/platform/WebTraceLocation.h" |
| #include "wtf/PtrUtil.h" |
| |
| namespace blink { |
| |
| class DirectoryEntry; |
| class BlobCallback; |
| class FileEntry; |
| class FileWriterCallback; |
| |
| class MODULES_EXPORT DOMFileSystem final : public DOMFileSystemBase, |
| public ScriptWrappable, |
| public ActiveScriptWrappable, |
| public ActiveDOMObject { |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_GARBAGE_COLLECTED_MIXIN(DOMFileSystem); |
| |
| public: |
| static DOMFileSystem* create(ExecutionContext*, |
| const String& name, |
| FileSystemType, |
| const KURL& rootURL); |
| |
| // Creates a new isolated file system for the given filesystemId. |
| static DOMFileSystem* createIsolatedFileSystem(ExecutionContext*, |
| const String& filesystemId); |
| |
| DirectoryEntry* root() const; |
| |
| // DOMFileSystemBase overrides. |
| void addPendingCallbacks() override; |
| void removePendingCallbacks() override; |
| void reportError(ErrorCallbackBase*, FileError::ErrorCode) override; |
| |
| static void reportError(ExecutionContext*, |
| ErrorCallbackBase*, |
| FileError::ErrorCode); |
| |
| // ScriptWrappable overrides. |
| bool hasPendingActivity() const final; |
| |
| void createWriter(const FileEntry*, FileWriterCallback*, ErrorCallbackBase*); |
| void createFile(const FileEntry*, BlobCallback*, ErrorCallbackBase*); |
| |
| // Schedule a callback. This should not cross threads (should be called on the |
| // same context thread). |
| static void scheduleCallback(ExecutionContext* executionContext, |
| std::unique_ptr<ExecutionContextTask> task) { |
| DCHECK(executionContext->isContextThread()); |
| executionContext->postTask(BLINK_FROM_HERE, std::move(task), |
| taskNameForInstrumentation()); |
| } |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| private: |
| DOMFileSystem(ExecutionContext*, |
| const String& name, |
| FileSystemType, |
| const KURL& rootURL); |
| |
| static String taskNameForInstrumentation() { return "FileSystem"; } |
| |
| int m_numberOfPendingCallbacks; |
| Member<DirectoryEntry> m_rootEntry; |
| }; |
| |
| } // namespace blink |
| |
| #endif // DOMFileSystem_h |