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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/test_mount_point_provider.h"
#include <set>
#include <string>
#include <vector>
#include "base/file_util.h"
#include "base/sequenced_task_runner.h"
#include "webkit/fileapi/copy_or_move_file_validator.h"
#include "webkit/fileapi/file_observers.h"
#include "webkit/fileapi/file_system_file_stream_reader.h"
#include "webkit/fileapi/file_system_operation_context.h"
#include "webkit/fileapi/file_system_quota_util.h"
#include "webkit/fileapi/file_system_util.h"
#include "webkit/fileapi/local_file_system_operation.h"
#include "webkit/fileapi/local_file_util.h"
#include "webkit/fileapi/native_file_util.h"
#include "webkit/fileapi/sandbox_file_stream_writer.h"
#include "webkit/quota/quota_manager.h"
namespace fileapi {
// This only supports single origin.
class TestMountPointProvider::QuotaUtil
: public FileSystemQuotaUtil,
public FileUpdateObserver {
public:
QuotaUtil() : usage_(0) {}
virtual ~QuotaUtil() {}
// FileSystemQuotaUtil overrides.
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 InvalidateUsageCache(const GURL& origin_url,
FileSystemType type) OVERRIDE {
// Do nothing.
}
virtual void StickyInvalidateUsageCache(
const GURL& origin,
FileSystemType type) OVERRIDE {
// Do nothing.
}
// 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 {}
private:
int64 usage_;
};
TestMountPointProvider::TestMountPointProvider(
base::SequencedTaskRunner* task_runner,
const base::FilePath& base_path)
: base_path_(base_path),
task_runner_(task_runner),
local_file_util_(new AsyncFileUtilAdapter(new LocalFileUtil())),
quota_util_(new QuotaUtil),
require_copy_or_move_validator_(false) {
UpdateObserverList::Source source;
source.AddObserver(quota_util_.get(), task_runner_);
observers_ = UpdateObserverList(source);
}
TestMountPointProvider::~TestMountPointProvider() {
}
bool TestMountPointProvider::CanHandleType(FileSystemType type) const {
return (type == kFileSystemTypeTest);
}
void TestMountPointProvider::ValidateFileSystemRoot(
const GURL& origin_url,
FileSystemType type,
bool create,
const ValidateFileSystemCallback& callback) {
// This won't be called unless we add test code that opens a test
// filesystem by OpenFileSystem.
NOTREACHED();
}
base::FilePath TestMountPointProvider::GetFileSystemRootPathOnFileThread(
const FileSystemURL& url,
bool create) {
DCHECK_EQ(kFileSystemTypeTest, url.type());
bool success = true;
if (create)
success = file_util::CreateDirectory(base_path_);
else
success = file_util::DirectoryExists(base_path_);
return success ? base_path_ : base::FilePath();
}
FileSystemFileUtil* TestMountPointProvider::GetFileUtil(FileSystemType type) {
DCHECK(local_file_util_.get());
return local_file_util_->sync_file_util();
}
AsyncFileUtil* TestMountPointProvider::GetAsyncFileUtil(FileSystemType type) {
return local_file_util_.get();
}
CopyOrMoveFileValidatorFactory*
TestMountPointProvider::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 TestMountPointProvider::InitializeCopyOrMoveFileValidatorFactory(
FileSystemType type, scoped_ptr<CopyOrMoveFileValidatorFactory> factory) {
if (!require_copy_or_move_validator_) {
DCHECK(!factory);
return;
}
if (!copy_or_move_file_validator_factory_)
copy_or_move_file_validator_factory_ = factory.Pass();
}
FilePermissionPolicy TestMountPointProvider::GetPermissionPolicy(
const FileSystemURL& url, int permissions) const {
return FILE_PERMISSION_ALWAYS_DENY;
}
FileSystemOperation* TestMountPointProvider::CreateFileSystemOperation(
const FileSystemURL& url,
FileSystemContext* context,
base::PlatformFileError* error_code) const {
scoped_ptr<FileSystemOperationContext> operation_context(
new FileSystemOperationContext(context));
operation_context->set_update_observers(observers_);
return new LocalFileSystemOperation(context, operation_context.Pass());
}
scoped_ptr<webkit_blob::FileStreamReader>
TestMountPointProvider::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>
TestMountPointProvider::CreateFileStreamWriter(
const FileSystemURL& url,
int64 offset,
FileSystemContext* context) const {
return scoped_ptr<fileapi::FileStreamWriter>(
new SandboxFileStreamWriter(context, url, offset, observers_));
}
FileSystemQuotaUtil* TestMountPointProvider::GetQuotaUtil() {
return quota_util_.get();
}
void TestMountPointProvider::DeleteFileSystem(
const GURL& origin_url,
FileSystemType type,
FileSystemContext* context,
const DeleteFileSystemCallback& callback) {
// This won't be called unless we add test code that opens a test
// filesystem by OpenFileSystem.
NOTREACHED();
callback.Run(base::PLATFORM_FILE_ERROR_INVALID_OPERATION);
}
const UpdateObserverList* TestMountPointProvider::GetUpdateObservers(
FileSystemType type) const {
return &observers_;
}
} // namespace fileapi
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