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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_CHILD_FILEAPI_WEBFILESYSTEM_IMPL_H_
#define CONTENT_CHILD_FILEAPI_WEBFILESYSTEM_IMPL_H_
#include <map>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/threading/non_thread_safe.h"
#include "third_party/WebKit/public/platform/WebFileSystem.h"
#include "webkit/child/worker_task_runner.h"
namespace base {
class MessageLoopProxy;
}
namespace WebKit {
class WebURL;
class WebFileWriter;
class WebFileWriterClient;
}
namespace content {
class WebFileSystemImpl
: public WebKit::WebFileSystem,
public webkit_glue::WorkerTaskRunner::Observer,
public base::NonThreadSafe {
public:
// Returns thread-specific instance. If non-null |main_thread_loop|
// is given and no thread-specific instance has been created it may
// create a new instance.
static WebFileSystemImpl* ThreadSpecificInstance(
base::MessageLoopProxy* main_thread_loop);
// Deletes thread-specific instance (if exists). For workers it deletes
// itself in OnWorkerRunLoopStopped(), but for an instance created on the
// main thread this method must be called.
static void DeleteThreadSpecificInstance();
explicit WebFileSystemImpl(base::MessageLoopProxy* main_thread_loop);
virtual ~WebFileSystemImpl();
// webkit_glue::WorkerTaskRunner::Observer implementation.
virtual void OnWorkerRunLoopStopped() OVERRIDE;
// WebFileSystem implementation.
virtual void openFileSystem(
const WebKit::WebURL& storage_partition,
const WebKit::WebFileSystemType type,
bool create,
WebKit::WebFileSystemCallbacks);
virtual void deleteFileSystem(
const WebKit::WebURL& storage_partition,
const WebKit::WebFileSystemType type,
WebKit::WebFileSystemCallbacks);
virtual void move(
const WebKit::WebURL& src_path,
const WebKit::WebURL& dest_path,
WebKit::WebFileSystemCallbacks) OVERRIDE;
virtual void copy(
const WebKit::WebURL& src_path,
const WebKit::WebURL& dest_path,
WebKit::WebFileSystemCallbacks) OVERRIDE;
virtual void remove(
const WebKit::WebURL& path,
WebKit::WebFileSystemCallbacks) OVERRIDE;
virtual void removeRecursively(
const WebKit::WebURL& path,
WebKit::WebFileSystemCallbacks) OVERRIDE;
virtual void readMetadata(
const WebKit::WebURL& path,
WebKit::WebFileSystemCallbacks) OVERRIDE;
virtual void createFile(
const WebKit::WebURL& path,
bool exclusive,
WebKit::WebFileSystemCallbacks) OVERRIDE;
virtual void createDirectory(
const WebKit::WebURL& path,
bool exclusive,
WebKit::WebFileSystemCallbacks) OVERRIDE;
virtual void fileExists(
const WebKit::WebURL& path,
WebKit::WebFileSystemCallbacks) OVERRIDE;
virtual void directoryExists(
const WebKit::WebURL& path,
WebKit::WebFileSystemCallbacks) OVERRIDE;
virtual void readDirectory(
const WebKit::WebURL& path,
WebKit::WebFileSystemCallbacks) OVERRIDE;
virtual void createFileWriter(
const WebKit::WebURL& path,
WebKit::WebFileWriterClient*,
WebKit::WebFileSystemCallbacks) OVERRIDE;
virtual void createSnapshotFileAndReadMetadata(
const WebKit::WebURL& path,
WebKit::WebFileSystemCallbacks);
int RegisterCallbacks(const WebKit::WebFileSystemCallbacks& callbacks);
WebKit::WebFileSystemCallbacks GetAndUnregisterCallbacks(
int callbacks_id);
private:
typedef std::map<int, WebKit::WebFileSystemCallbacks> CallbacksMap;
scoped_refptr<base::MessageLoopProxy> main_thread_loop_;
CallbacksMap callbacks_;
int next_callbacks_id_;
DISALLOW_COPY_AND_ASSIGN(WebFileSystemImpl);
};
} // namespace content
#endif // CONTENT_CHILD_FILEAPI_WEBFILESYSTEM_IMPL_H_
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