cef/cef1/libcef/browser_file_system.h

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// Copyright (c) 2012 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 CEF_LIBCEF_BROWSER_FILE_SYSTEM_H_
#define CEF_LIBCEF_BROWSER_FILE_SYSTEM_H_
#pragma once
#include <vector>
#include "base/file_util_proxy.h"
#include "base/id_map.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_temp_dir.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebFileSystem.h"
#include "webkit/fileapi/file_system_context.h"
#include "webkit/fileapi/file_system_operation_interface.h"
#include "webkit/fileapi/file_system_types.h"
namespace WebKit {
class WebFileSystemCallbacks;
class WebFrame;
class WebURL;
}
namespace fileapi {
class FileSystemContext;
}
namespace webkit_blob {
class BlobStorageController;
}
class BrowserFileSystem
: public WebKit::WebFileSystem,
public base::SupportsWeakPtr<BrowserFileSystem> {
public:
BrowserFileSystem();
virtual ~BrowserFileSystem();
void CreateContext();
void OpenFileSystem(WebKit::WebFrame* frame,
WebKit::WebFileSystem::Type type,
long long size, // NOLINT(runtime/int)
bool create,
WebKit::WebFileSystemCallbacks* callbacks);
fileapi::FileSystemContext* file_system_context() {
return file_system_context_.get();
}
// WebKit::WebFileSystem implementation.
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 WebKit::WebFileWriter* createFileWriter(
const WebKit::WebURL& path, WebKit::WebFileWriterClient*) OVERRIDE;
virtual void createSnapshotFileAndReadMetadata(
const WebKit::WebURL& blobURL,
const WebKit::WebURL& path,
WebKit::WebFileSystemCallbacks* callbacks) OVERRIDE;
static void InitializeOnIOThread(
webkit_blob::BlobStorageController* blob_storage_controller);
static void CleanupOnIOThread();
private:
// Helpers.
fileapi::FileSystemOperationInterface* GetNewOperation(
const WebKit::WebURL& path);
// Callback Handlers
fileapi::FileSystemOperationInterface::StatusCallback FinishHandler(
WebKit::WebFileSystemCallbacks* callbacks);
fileapi::FileSystemOperationInterface::GetMetadataCallback GetMetadataHandler(
WebKit::WebFileSystemCallbacks* callbacks);
fileapi::FileSystemOperationInterface::ReadDirectoryCallback
ReadDirectoryHandler(WebKit::WebFileSystemCallbacks* callbacks);
fileapi::FileSystemContext::OpenFileSystemCallback OpenFileSystemHandler(
WebKit::WebFileSystemCallbacks* callbacks);
fileapi::FileSystemOperationInterface::SnapshotFileCallback
SnapshotFileHandler(const GURL& blob_url,
WebKit::WebFileSystemCallbacks* callbacks);
void DidFinish(WebKit::WebFileSystemCallbacks* callbacks,
base::PlatformFileError result);
void DidGetMetadata(WebKit::WebFileSystemCallbacks* callbacks,
base::PlatformFileError result,
const base::PlatformFileInfo& info,
const FilePath& platform_path);
void DidReadDirectory(
WebKit::WebFileSystemCallbacks* callbacks,
base::PlatformFileError result,
const std::vector<base::FileUtilProxy::Entry>& entries,
bool has_more);
void DidOpenFileSystem(WebKit::WebFileSystemCallbacks* callbacks,
base::PlatformFileError result,
const std::string& name, const GURL& root);
void DidCreateSnapshotFile(
const GURL& blob_url,
WebKit::WebFileSystemCallbacks* callbacks,
base::PlatformFileError result,
const base::PlatformFileInfo& info,
const FilePath& platform_path,
const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref);
// A temporary directory for FileSystem API.
ScopedTempDir file_system_dir_;
scoped_refptr<fileapi::FileSystemContext> file_system_context_;
DISALLOW_COPY_AND_ASSIGN(BrowserFileSystem);
};
#endif // CEF_LIBCEF_BROWSER_FILE_SYSTEM_H_