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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/browser/fileapi/test_file_system_backend.h"
#include <set>
#include <string>
#include <vector>
#include "base/file_util.h"
#include "base/sequenced_task_runner.h"
#include "webkit/browser/fileapi/copy_or_move_file_validator.h"
#include "webkit/browser/fileapi/file_observers.h"
#include "webkit/browser/fileapi/file_system_file_stream_reader.h"
#include "webkit/browser/fileapi/file_system_operation_context.h"
#include "webkit/browser/fileapi/file_system_operation_impl.h"
#include "webkit/browser/fileapi/file_system_quota_util.h"
#include "webkit/browser/fileapi/local_file_util.h"
#include "webkit/browser/fileapi/native_file_util.h"
#include "webkit/browser/fileapi/sandbox_file_stream_writer.h"
#include "webkit/browser/quota/quota_manager.h"
#include "webkit/common/fileapi/file_system_util.h"
namespace fileapi {
// This only supports single origin.
class TestFileSystemBackend::QuotaUtil
: public FileSystemQuotaUtil,
public FileUpdateObserver {
public:
QuotaUtil(base::SequencedTaskRunner* task_runner)
: usage_(0),
task_runner_(task_runner) {
update_observers_ = update_observers_.AddObserver(this, task_runner_.get());
}
virtual ~QuotaUtil() {}
// FileSystemQuotaUtil overrides.
virtual base::PlatformFileError DeleteOriginDataOnFileThread(
FileSystemContext* context,
quota::QuotaManagerProxy* proxy,
const GURL& origin_url,
FileSystemType type) OVERRIDE {
NOTREACHED();
return base::PLATFORM_FILE_OK;
}
virtual void GetOriginsForTypeOnFileThread(
FileSystemType type,
std::set<GURL>* origins) OVERRIDE {
NOTREACHED();
}
virtual void GetOriginsForHostOnFileThread(
FileSystemType type,
const std::string& host,
std::set<GURL>* origins) OVERRIDE {
NOTREACHED();
}
virtual int64 GetOriginUsageOnFileThread(
FileSystemContext* context,
const GURL& origin_url,
FileSystemType type) OVERRIDE {
return usage_;
}
virtual void AddFileUpdateObserver(
FileSystemType type,
FileUpdateObserver* observer,
base::SequencedTaskRunner* task_runner) OVERRIDE {
NOTIMPLEMENTED();
}
virtual void AddFileChangeObserver(
FileSystemType type,
FileChangeObserver* observer,
base::SequencedTaskRunner* task_runner) OVERRIDE {
change_observers_ = change_observers_.AddObserver(observer, task_runner);
}
virtual void AddFileAccessObserver(
FileSystemType type,
FileAccessObserver* observer,
base::SequencedTaskRunner* task_runner) OVERRIDE {
NOTIMPLEMENTED();
}
virtual const UpdateObserverList* GetUpdateObservers(
FileSystemType type) const OVERRIDE {
return &update_observers_;
}
virtual const ChangeObserverList* GetChangeObservers(
FileSystemType type) const OVERRIDE {
return &change_observers_;
}
virtual const AccessObserverList* GetAccessObservers(
FileSystemType type) const OVERRIDE {
NOTIMPLEMENTED();
return NULL;
}
// FileUpdateObserver overrides.
virtual void OnStartUpdate(const FileSystemURL& url) OVERRIDE {}
virtual void OnUpdate(const FileSystemURL& url, int64 delta) OVERRIDE {
usage_ += delta;
}
virtual void OnEndUpdate(const FileSystemURL& url) OVERRIDE {}
base::SequencedTaskRunner* task_runner() { return task_runner_.get(); }
private:
int64 usage_;
scoped_refptr<base::SequencedTaskRunner> task_runner_;
UpdateObserverList update_observers_;
ChangeObserverList change_observers_;
};
TestFileSystemBackend::TestFileSystemBackend(
base::SequencedTaskRunner* task_runner,
const base::FilePath& base_path)
: base_path_(base_path),
local_file_util_(new AsyncFileUtilAdapter(new LocalFileUtil())),
quota_util_(new QuotaUtil(task_runner)),
require_copy_or_move_validator_(false) {
}
TestFileSystemBackend::~TestFileSystemBackend() {
}
bool TestFileSystemBackend::CanHandleType(FileSystemType type) const {
return (type == kFileSystemTypeTest);
}
void TestFileSystemBackend::Initialize(FileSystemContext* context) {
}
void TestFileSystemBackend::OpenFileSystem(
const GURL& origin_url,
FileSystemType type,
OpenFileSystemMode mode,
const OpenFileSystemCallback& callback) {
callback.Run(GetFileSystemRootURI(origin_url, type),
GetFileSystemName(origin_url, type),
base::PLATFORM_FILE_OK);
}
FileSystemFileUtil* TestFileSystemBackend::GetFileUtil(FileSystemType type) {
DCHECK(local_file_util_.get());
return local_file_util_->sync_file_util();
}
AsyncFileUtil* TestFileSystemBackend::GetAsyncFileUtil(FileSystemType type) {
return local_file_util_.get();
}
CopyOrMoveFileValidatorFactory*
TestFileSystemBackend::GetCopyOrMoveFileValidatorFactory(
FileSystemType type, base::PlatformFileError* error_code) {
DCHECK(error_code);
*error_code = base::PLATFORM_FILE_OK;
if (require_copy_or_move_validator_) {
if (!copy_or_move_file_validator_factory_)
*error_code = base::PLATFORM_FILE_ERROR_SECURITY;
return copy_or_move_file_validator_factory_.get();
}
return NULL;
}
void TestFileSystemBackend::InitializeCopyOrMoveFileValidatorFactory(
scoped_ptr<CopyOrMoveFileValidatorFactory> factory) {
if (!copy_or_move_file_validator_factory_)
copy_or_move_file_validator_factory_ = factory.Pass();
}
FileSystemOperation* TestFileSystemBackend::CreateFileSystemOperation(
const FileSystemURL& url,
FileSystemContext* context,
base::PlatformFileError* error_code) const {
scoped_ptr<FileSystemOperationContext> operation_context(
new FileSystemOperationContext(context));
operation_context->set_update_observers(*GetUpdateObservers(url.type()));
operation_context->set_change_observers(
*quota_util_->GetChangeObservers(url.type()));
operation_context->set_root_path(base_path_);
return new FileSystemOperationImpl(url, context, operation_context.Pass());
}
scoped_ptr<webkit_blob::FileStreamReader>
TestFileSystemBackend::CreateFileStreamReader(
const FileSystemURL& url,
int64 offset,
const base::Time& expected_modification_time,
FileSystemContext* context) const {
return scoped_ptr<webkit_blob::FileStreamReader>(
new FileSystemFileStreamReader(
context, url, offset, expected_modification_time));
}
scoped_ptr<fileapi::FileStreamWriter>
TestFileSystemBackend::CreateFileStreamWriter(
const FileSystemURL& url,
int64 offset,
FileSystemContext* context) const {
return scoped_ptr<fileapi::FileStreamWriter>(
new SandboxFileStreamWriter(context, url, offset,
*GetUpdateObservers(url.type())));
}
FileSystemQuotaUtil* TestFileSystemBackend::GetQuotaUtil() {
return quota_util_.get();
}
const UpdateObserverList* TestFileSystemBackend::GetUpdateObservers(
FileSystemType type) const {
return quota_util_->GetUpdateObservers(type);
}
void TestFileSystemBackend::AddFileChangeObserver(
FileChangeObserver* observer) {
quota_util_->AddFileChangeObserver(
kFileSystemTypeTest, observer, quota_util_->task_runner());
}
} // namespace fileapi
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