Picasa import: Make NativeMediaFileUtil an AsyncFileUtil

chrome/browser/media_galleries/fileapi/async_file_util_test_helper.cc

+// Copyright 2013 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/media_galleries/fileapi/async_file_util_test_helper.h"
+
+#include "base/bind.h"
+#include "base/files/file_path.h"
+#include "base/platform_file.h"
+#include "base/run_loop.h"
+#include "webkit/common/blob/scoped_file.h"
+#include "webkit/common/blob/shareable_file_reference.h"
+
+using fileapi::AsyncFileUtil;
+using fileapi::FileSystemOperationContext;
+using fileapi::FileSystemURL;
+
+namespace chrome {
+
+namespace {
+
+// Needed as base::Bind only supports functions of up to arity 7.
+struct CreateSnapshotResults {
+  scoped_refptr<webkit_blob::ShareableFileReference>* file_ref;
+  base::PlatformFileError* error;
+  base::PlatformFileInfo* file_info;
+  base::FilePath* platform_path;
+};
+
+void CreateOrOpenTestCallback(
+    base::RunLoop* run_loop,
+    base::PlatformFileError* error_result,
+    base::PlatformFile* platform_file_result,
+    bool* created_result,
+    base::PlatformFileError error,
+    base::PassPlatformFile pass_platform_file,
+    bool created) {
+  DCHECK(error_result);
+  DCHECK(platform_file_result);
+  DCHECK(created_result);
+  *error_result = error;
+  *platform_file_result = pass_platform_file.ReleaseValue();
+  *created_result = created;
+  run_loop->Quit();
+}
+
+void CreateSnapshotTestCallback(
+  base::RunLoop* run_loop,
+  CreateSnapshotResults* results,
+  base::PlatformFileError error,
+  const base::PlatformFileInfo& file_info,
+  const base::FilePath& platform_path,
+  const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref) {
+  DCHECK(results->file_ref);
+  DCHECK(results->error);
+  DCHECK(results->file_info);
+  DCHECK(results->platform_path);
+  *(results->error) = error;
+  *(results->file_info) = file_info;
+  *(results->platform_path) = platform_path;
+  *(results->file_ref) = file_ref;
+  run_loop->Quit();
+}
+
+void EnsureFileExistsTestCallback(
+    base::RunLoop* run_loop,
+    base::PlatformFileError* error_result,
+    bool* created_result,
+    base::PlatformFileError error,
+    bool created) {
+  DCHECK(error_result);
+  DCHECK(created_result);
+  *error_result = error;
+  *created_result = created;
+  run_loop->Quit();
+}
+
+void GetFileInfoTestCallback(
+    base::RunLoop* run_loop,
+    base::PlatformFileError* error_result,
+    base::PlatformFileInfo* file_info_result,
+    base::FilePath* platform_path_result,
+    base::PlatformFileError error,
+    const base::PlatformFileInfo& file_info,
+    const base::FilePath& platform_path) {
+  DCHECK(error_result);
+  DCHECK(file_info_result);
+  DCHECK(platform_path_result);
+  *error_result = error;
+  *file_info_result = file_info;
+  *platform_path_result = platform_path;
+  run_loop->Quit();
+}
+
+void ReadDirectoryTestCallback(
+    base::RunLoop* run_loop,
+    base::PlatformFileError* error_result,
+    AsyncFileUtil::EntryList* file_list_result,
+    bool* has_more_result,
+    base::PlatformFileError error,
+    const AsyncFileUtil::EntryList& file_list,
+    bool has_more) {
+  DCHECK(error_result);
+  DCHECK(file_list_result);
+  DCHECK(has_more_result);
+  *error_result = error;
+  *file_list_result = file_list;
+  *has_more_result = has_more;
+  run_loop->Quit();
+}
+
+void StatusTestCallback(
+    base::RunLoop* run_loop,
+    base::PlatformFileError* error_result,
+    base::PlatformFileError error) {
+  DCHECK(error_result);
+  *error_result = error;
+  run_loop->Quit();
+}
+
+}  // namespace
+
+AsyncFileUtilTestHelper::AsyncFileUtilTestHelper(AsyncFileUtil* async_file_util)
+    : async_file_util_(async_file_util) {
+}
+
+AsyncFileUtilTestHelper::~AsyncFileUtilTestHelper() {}
+
+base::PlatformFileError AsyncFileUtilTestHelper::CreateOrOpen(
+    FileSystemOperationContext* context,
+    const FileSystemURL& url,
+    int file_flags,
+    base::PlatformFile* file_handle,
+    bool* created) {
+  DCHECK(context);
+  base::PlatformFileError result;
+  base::RunLoop run_loop;
+  async_file_util_->CreateOrOpen(
+      context,
+      url,
+      file_flags,
+      base::Bind(
+          &CreateOrOpenTestCallback,
+          &run_loop,
+          &result,
+          file_handle,
+          created));
+  run_loop.Run();
+  return result;
+}
+
+base::PlatformFileError AsyncFileUtilTestHelper::EnsureFileExists(
+    FileSystemOperationContext* context,
+    const FileSystemURL& url,
+    bool* created) {
+  DCHECK(context);
+  base::PlatformFileError result;
+  base::RunLoop run_loop;
+  async_file_util_->EnsureFileExists(
+      context,
+      url,
+      base::Bind(&EnsureFileExistsTestCallback, &run_loop, &result, created));
+  run_loop.Run();
+  return result;
+}
+
+base::PlatformFileError AsyncFileUtilTestHelper::CreateDirectory(
+    FileSystemOperationContext* context,
+    const FileSystemURL& url,
+    bool exclusive,
+    bool recursive) {
+  DCHECK(context);
+  base::PlatformFileError result;
+  base::RunLoop run_loop;
+  async_file_util_->CreateDirectory(context, url, exclusive, recursive,
+                                    base::Bind(&StatusTestCallback,
+                                               &run_loop, &result));
+  run_loop.Run();
+  return result;
+}
+
+base::PlatformFileError AsyncFileUtilTestHelper::GetFileInfo(
+    FileSystemOperationContext* context,
+    const FileSystemURL& url,
+    base::PlatformFileInfo* file_info,
+    base::FilePath* platform_path) {
+  DCHECK(context);
+  base::PlatformFileError result;
+  base::RunLoop run_loop;
+  async_file_util_->GetFileInfo(
+      context,
+      url,
+      base::Bind(&GetFileInfoTestCallback, &run_loop, &result, file_info,
+                 platform_path));
+  run_loop.Run();
+  return result;
+}
+
+base::PlatformFileError AsyncFileUtilTestHelper::Touch(
+    FileSystemOperationContext* context,
+    const FileSystemURL& url,
+    const base::Time& last_access_time,
+    const base::Time& last_modified_time) {
+  DCHECK(context);
+  base::PlatformFileError result;
+  base::RunLoop run_loop;
+  async_file_util_->Touch(context, url, last_access_time, last_modified_time,
+                          base::Bind(&StatusTestCallback, &run_loop, &result));
+  run_loop.Run();
+  return result;
+}
+
+base::PlatformFileError AsyncFileUtilTestHelper::Truncate(
+    FileSystemOperationContext* context,
+    const FileSystemURL& url,
+    int64 length) {
+  DCHECK(context);
+  base::PlatformFileError result;
+  base::RunLoop run_loop;
+  async_file_util_->Truncate(context, url, length,
+                             base::Bind(&StatusTestCallback, &run_loop,
+                                        &result));
+  run_loop.Run();
+  return result;
+}
+
+base::PlatformFileError AsyncFileUtilTestHelper::CopyOrMoveFile(
+    FileSystemOperationContext* context,
+    const FileSystemURL& src_url,
+    const FileSystemURL& dest_url,
+    bool copy) {
+  DCHECK(context);
+  base::PlatformFileError result;
+  base::RunLoop run_loop;
+  if (copy) {
+    async_file_util_->CopyFileLocal(context, src_url, dest_url,
+                                    base::Bind(&StatusTestCallback, &run_loop,
+                                               &result));
+  } else {
+    async_file_util_->MoveFileLocal(context, src_url, dest_url,
+                                    base::Bind(&StatusTestCallback, &run_loop,
+                                               &result));
+  }
+  run_loop.Run();
+  return result;
+}
+
+base::PlatformFileError AsyncFileUtilTestHelper::CopyInForeignFile(
+    FileSystemOperationContext* context,
+    const base::FilePath& src_file_path,
+    const FileSystemURL& dest_url) {
+  DCHECK(context);
+  base::PlatformFileError result;
+  base::RunLoop run_loop;
+  async_file_util_->CopyInForeignFile(context, src_file_path, dest_url,
+                                      base::Bind(&StatusTestCallback, &run_loop,
+                                                 &result));
+  run_loop.Run();
+  return result;
+}
+
+base::PlatformFileError AsyncFileUtilTestHelper::ReadDirectorySync(
+    FileSystemOperationContext* context,
+    const FileSystemURL& url,
+    AsyncFileUtil::EntryList* file_list,
+    bool* has_more) {
+  DCHECK(context);
+  base::PlatformFileError result;
+  base::RunLoop run_loop;
+  async_file_util_->ReadDirectory(
+      context,
+      url,
+      base::Bind(&ReadDirectoryTestCallback, &run_loop, &result, file_list,
+                 has_more));
+  run_loop.Run();
+  return result;
+}
+
+scoped_refptr<webkit_blob::ShareableFileReference>
+AsyncFileUtilTestHelper::CreateSnapshotFileSharable(
+    FileSystemOperationContext* context,
+    const FileSystemURL& url,
+    base::PlatformFileError* error,
+    base::PlatformFileInfo* file_info,
+    base::FilePath* platform_path) {
+  DCHECK(context);
+  scoped_refptr<webkit_blob::ShareableFileReference> file_ref_result;
+  CreateSnapshotResults results =
+      { &file_ref_result, error, file_info, platform_path };
+  base::RunLoop run_loop;
+  async_file_util_->CreateSnapshotFile(
+      context,
+      url,
+      base::Bind(&CreateSnapshotTestCallback, &run_loop, &results));
+  run_loop.Run();
+  return file_ref_result;
+}
+
+}  // namespace fileapi