1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_DEFAULT_APP_ORDER_H_
6#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_DEFAULT_APP_ORDER_H_
7
8#include <string>
9#include <vector>
10
11#include "base/basictypes.h"
12#include "base/synchronization/waitable_event.h"
13
14namespace chromeos {
15namespace default_app_order {
16
17// ExternalLoader checks FILE_DEFAULT_APP_ORDER and loads it if the file
18// exists. Otherwise, it uses the default built-in order. The file loading runs
19// asynchronously on start up except for the browser restart path, in which
20// case, start up will wait for the file check to finish because user profile
21// might need to access the ordinals data.
22class ExternalLoader {
23 public:
24  // Constructs an ExternalLoader and starts file loading. |async| is true to
25  // load the file asynchronously on the blocking pool.
26  explicit ExternalLoader(bool async);
27  ~ExternalLoader();
28
29  const std::vector<std::string>& GetAppIds();
30  const std::string& GetOemAppsFolderName();
31
32 private:
33  void Load();
34
35  // A vector of app id strings that defines the default order of apps.
36  std::vector<std::string> app_ids_;
37
38  std::string oem_apps_folder_name_;
39
40  base::WaitableEvent loaded_;
41
42  DISALLOW_COPY_AND_ASSIGN(ExternalLoader);
43};
44
45// Gets the ordered list of app ids.
46void Get(std::vector<std::string>* app_ids);
47
48// Get the name of OEM apps folder in app launcher.
49std::string GetOemAppsFolderName();
50
51// Number of apps in hard-coded apps order.
52extern const size_t kDefaultAppOrderCount;
53
54}  // namespace default_app_order
55}  // namespace chromeos
56
57#endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_DEFAULT_APP_ORDER_H_
58