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/*
* 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/ContextLifecycleObserver.h"
#include "core/dom/ExecutionContext.h"
#include "core/dom/ExecutionContextTask.h"
#include "core/dom/TaskRunnerHelper.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<DOMFileSystem>,
public ContextLifecycleObserver {
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<WTF::Closure> task);
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
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