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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.
#include "webkit/fileapi/file_system_context.h"
#include "base/bind.h"
#include "base/file_util.h"
#include "base/message_loop_proxy.h"
#include "googleurl/src/gurl.h"
#include "webkit/fileapi/file_system_file_util.h"
#include "webkit/fileapi/file_system_operation_interface.h"
#include "webkit/fileapi/file_system_options.h"
#include "webkit/fileapi/file_system_quota_client.h"
#include "webkit/fileapi/file_system_util.h"
#include "webkit/fileapi/isolated_mount_point_provider.h"
#include "webkit/fileapi/sandbox_mount_point_provider.h"
#include "webkit/quota/quota_manager.h"
#include "webkit/quota/special_storage_policy.h"
#if defined(OS_CHROMEOS)
#include "webkit/chromeos/fileapi/cros_mount_point_provider.h"
#endif
using quota::QuotaClient;
namespace fileapi {
namespace {
QuotaClient* CreateQuotaClient(
scoped_refptr<base::MessageLoopProxy> file_message_loop,
FileSystemContext* context,
bool is_incognito) {
return new FileSystemQuotaClient(file_message_loop, context, is_incognito);
}
void DidOpenFileSystem(FileSystemContext::OpenFileSystemCallback callback,
const GURL& filesystem_root,
const std::string& filesystem_name,
base::PlatformFileError error) {
callback.Run(error, filesystem_name, filesystem_root);
}
} // anonymous namespace
FileSystemContext::FileSystemContext(
scoped_refptr<base::MessageLoopProxy> file_message_loop,
scoped_refptr<base::MessageLoopProxy> io_message_loop,
scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy,
quota::QuotaManagerProxy* quota_manager_proxy,
const FilePath& profile_path,
const FileSystemOptions& options)
: file_message_loop_(file_message_loop),
io_message_loop_(io_message_loop),
quota_manager_proxy_(quota_manager_proxy),
sandbox_provider_(
new SandboxMountPointProvider(
file_message_loop,
profile_path,
options)),
isolated_provider_(new IsolatedMountPointProvider) {
if (quota_manager_proxy) {
quota_manager_proxy->RegisterClient(CreateQuotaClient(
file_message_loop, this, options.is_incognito()));
}
#if defined(OS_CHROMEOS)
external_provider_.reset(
new chromeos::CrosMountPointProvider(special_storage_policy));
#endif
}
bool FileSystemContext::DeleteDataForOriginOnFileThread(
const GURL& origin_url) {
DCHECK(file_message_loop_->BelongsToCurrentThread());
DCHECK(sandbox_provider());
// Delete temporary and persistent data.
return
sandbox_provider()->DeleteOriginDataOnFileThread(
quota_manager_proxy(), origin_url, kFileSystemTypeTemporary) &&
sandbox_provider()->DeleteOriginDataOnFileThread(
quota_manager_proxy(), origin_url, kFileSystemTypePersistent);
}
bool FileSystemContext::DeleteDataForOriginAndTypeOnFileThread(
const GURL& origin_url, FileSystemType type) {
DCHECK(file_message_loop_->BelongsToCurrentThread());
if (type == fileapi::kFileSystemTypeTemporary ||
type == fileapi::kFileSystemTypePersistent) {
DCHECK(sandbox_provider());
return sandbox_provider()->DeleteOriginDataOnFileThread(
quota_manager_proxy(), origin_url, type);
}
return false;
}
FileSystemQuotaUtil*
FileSystemContext::GetQuotaUtil(FileSystemType type) const {
if (type == fileapi::kFileSystemTypeTemporary ||
type == fileapi::kFileSystemTypePersistent) {
DCHECK(sandbox_provider());
return sandbox_provider()->quota_util();
}
return NULL;
}
FileSystemFileUtil* FileSystemContext::GetFileUtil(
FileSystemType type) const {
FileSystemMountPointProvider* mount_point_provider =
GetMountPointProvider(type);
if (!mount_point_provider)
return NULL;
return mount_point_provider->GetFileUtil();
}
FileSystemMountPointProvider* FileSystemContext::GetMountPointProvider(
FileSystemType type) const {
switch (type) {
case kFileSystemTypeTemporary:
case kFileSystemTypePersistent:
return sandbox_provider_.get();
case kFileSystemTypeExternal:
return external_provider_.get();
case kFileSystemTypeIsolated:
return isolated_provider_.get();
case kFileSystemTypeUnknown:
default:
NOTREACHED();
return NULL;
}
}
SandboxMountPointProvider*
FileSystemContext::sandbox_provider() const {
return sandbox_provider_.get();
}
ExternalFileSystemMountPointProvider*
FileSystemContext::external_provider() const {
return external_provider_.get();
}
void FileSystemContext::OpenFileSystem(
const GURL& origin_url,
FileSystemType type,
bool create,
OpenFileSystemCallback callback) {
DCHECK(!callback.is_null());
FileSystemMountPointProvider* mount_point_provider =
GetMountPointProvider(type);
if (!mount_point_provider) {
callback.Run(base::PLATFORM_FILE_ERROR_SECURITY, std::string(), GURL());
return;
}
GURL root_url = GetFileSystemRootURI(origin_url, type);
std::string name = GetFileSystemName(origin_url, type);
mount_point_provider->ValidateFileSystemRoot(
origin_url, type, create,
base::Bind(&DidOpenFileSystem, callback, root_url, name));
}
FileSystemOperationInterface* FileSystemContext::CreateFileSystemOperation(
const GURL& url,
base::MessageLoopProxy* file_proxy) {
GURL origin_url;
FileSystemType file_system_type = kFileSystemTypeUnknown;
FilePath file_path;
if (!CrackFileSystemURL(url, &origin_url, &file_system_type, &file_path))
return NULL;
FileSystemMountPointProvider* mount_point_provider =
GetMountPointProvider(file_system_type);
if (!mount_point_provider)
return NULL;
return mount_point_provider->CreateFileSystemOperation(
origin_url, file_system_type, file_path, file_proxy, this);
}
webkit_blob::FileReader* FileSystemContext::CreateFileReader(
const GURL& url,
int64 offset,
base::MessageLoopProxy* file_proxy) {
GURL origin_url;
FileSystemType file_system_type = kFileSystemTypeUnknown;
FilePath file_path;
if (!CrackFileSystemURL(url, &origin_url, &file_system_type, &file_path))
return NULL;
FileSystemMountPointProvider* mount_point_provider =
GetMountPointProvider(file_system_type);
if (!mount_point_provider)
return NULL;
return mount_point_provider->CreateFileReader(url, offset, file_proxy, this);
}
FileSystemContext::~FileSystemContext() {}
void FileSystemContext::DeleteOnCorrectThread() const {
if (!io_message_loop_->BelongsToCurrentThread() &&
io_message_loop_->DeleteSoon(FROM_HERE, this)) {
return;
}
delete this;
}
} // namespace fileapi
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