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// Copyright 2014 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 "chrome/browser/chromeos/file_manager/filesystem_api_util.h"
#include "base/callback.h"
#include "base/files/file_path.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/chromeos/drive/file_errors.h"
#include "chrome/browser/chromeos/drive/file_system_interface.h"
#include "chrome/browser/chromeos/drive/file_system_util.h"
#include "chrome/browser/chromeos/file_manager/app_id.h"
#include "chrome/browser/chromeos/file_manager/fileapi_util.h"
#include "chrome/browser/extensions/extension_util.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/storage_partition.h"
#include "webkit/browser/fileapi/file_system_context.h"
namespace file_manager {
namespace util {
namespace {
void GetMimeTypeAfterGetResourceEntry(
const base::Callback<void(bool, const std::string&)>& callback,
drive::FileError error,
scoped_ptr<drive::ResourceEntry> entry) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (error != drive::FILE_ERROR_OK || !entry->has_file_specific_info()) {
callback.Run(false, std::string());
return;
}
callback.Run(true, entry->file_specific_info().content_mime_type());
}
void CheckDirectoryAfterDriveCheck(const base::Callback<void(bool)>& callback,
drive::FileError error) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
return callback.Run(error == drive::FILE_ERROR_OK);
}
void CheckWritableAfterDriveCheck(const base::Callback<void(bool)>& callback,
drive::FileError error,
const base::FilePath& local_path) {
// This is called on the IO-allowed blocking pool. Call back to UI.
content::BrowserThread::PostTask(
content::BrowserThread::UI,
FROM_HERE,
base::Bind(callback, error == drive::FILE_ERROR_OK));
}
} // namespace
bool IsUnderNonNativeLocalPath(Profile* profile,
const base::FilePath& path) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
GURL url;
if (!util::ConvertAbsoluteFilePathToFileSystemUrl(
profile, path, kFileManagerAppId, &url)) {
return false;
}
content::StoragePartition* partition =
content::BrowserContext::GetStoragePartitionForSite(
profile,
extensions::util::GetSiteForExtensionId(kFileManagerAppId, profile));
fileapi::FileSystemContext* context = partition->GetFileSystemContext();
fileapi::FileSystemURL filesystem_url = context->CrackURL(url);
if (!filesystem_url.is_valid())
return false;
switch (filesystem_url.type()) {
case fileapi::kFileSystemTypeNativeLocal:
case fileapi::kFileSystemTypeRestrictedNativeLocal:
return false;
default:
// The path indeed corresponds to a mount point not associated with a
// native local path.
return true;
}
}
void GetNonNativeLocalPathMimeType(
Profile* profile,
const base::FilePath& path,
const base::Callback<void(bool, const std::string&)>& callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(IsUnderNonNativeLocalPath(profile, path));
if (!drive::util::IsUnderDriveMountPoint(path)) {
// Non-drive mount point does not have mime types as metadata. Just return
// success with empty mime type value.
content::BrowserThread::PostTask(
content::BrowserThread::UI,
FROM_HERE,
base::Bind(callback, true /* success */, std::string()));
return;
}
drive::FileSystemInterface* file_system =
drive::util::GetFileSystemByProfile(profile);
if (!file_system) {
content::BrowserThread::PostTask(
content::BrowserThread::UI,
FROM_HERE,
base::Bind(callback, false, std::string()));
return;
}
file_system->GetResourceEntry(
drive::util::ExtractDrivePath(path),
base::Bind(&GetMimeTypeAfterGetResourceEntry, callback));
}
void IsNonNativeLocalPathDirectory(
Profile* profile,
const base::FilePath& path,
const base::Callback<void(bool)>& callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// TODO(kinaba): support other types of volumes besides Drive.
drive::util::CheckDirectoryExists(
profile,
path,
base::Bind(&CheckDirectoryAfterDriveCheck, callback));
}
void PrepareNonNativeLocalPathWritableFile(
Profile* profile,
const base::FilePath& path,
const base::Callback<void(bool)>& callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// TODO(kinaba): support other types of volumes besides Drive.
drive::util::PrepareWritableFileAndRun(
profile,
path,
base::Bind(&CheckWritableAfterDriveCheck, callback));
}
} // namespace util
} // namespace file_manager
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