1// Copyright 2014 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 CHROMECAST_COMMON_CAST_RESOURCE_DELEGATE_H_
6#define CHROMECAST_COMMON_CAST_RESOURCE_DELEGATE_H_
7
8#include <string>
9
10#include "base/macros.h"
11#include "base/memory/ref_counted_memory.h"
12#include "base/memory/scoped_ptr.h"
13#include "ui/base/resource/resource_bundle.h"
14
15namespace base {
16class FilePath;
17}
18
19namespace gfx {
20class Image;
21}
22
23namespace chromecast {
24
25// A singleton resource bundle delegate. Primary purpose is to indicate the
26// correct locale pack file to load.
27class CastResourceDelegate : public ui::ResourceBundle::Delegate {
28 public:
29  // Returns the singleton of delegate. It doesn't create an instance.
30  static CastResourceDelegate* GetInstance();
31
32  CastResourceDelegate();
33  virtual ~CastResourceDelegate();
34
35  // ui:ResourceBundle::Delegate implementation:
36  virtual base::FilePath GetPathForResourcePack(
37      const base::FilePath& pack_path,
38      ui::ScaleFactor scale_factor) OVERRIDE;
39  virtual base::FilePath GetPathForLocalePack(
40      const base::FilePath& pack_path,
41      const std::string& locale) OVERRIDE;
42  virtual gfx::Image GetImageNamed(int resource_id) OVERRIDE;
43  virtual gfx::Image GetNativeImageNamed(
44      int resource_id,
45      ui::ResourceBundle::ImageRTL rtl) OVERRIDE;
46  virtual base::RefCountedStaticMemory* LoadDataResourceBytes(
47      int resource_id,
48      ui::ScaleFactor scale_factor) OVERRIDE;
49  virtual bool GetRawDataResource(int resource_id,
50                                  ui::ScaleFactor scale_factor,
51                                  base::StringPiece* value) OVERRIDE;
52  virtual bool GetLocalizedString(int message_id,
53                                  base::string16* value) OVERRIDE;
54  virtual scoped_ptr<gfx::Font> GetFont(
55      ui::ResourceBundle::FontStyle style) OVERRIDE;
56
57  // Adds/removes/clears extra localized strings.
58  void AddExtraLocalizedString(int resource_id,
59                               const base::string16& localized);
60  void RemoveExtraLocalizedString(int resource_id);
61  void ClearAllExtraLocalizedStrings();
62
63 private:
64  typedef base::hash_map<int, base::string16> ExtraLocaledStringMap;
65
66  ExtraLocaledStringMap extra_localized_strings_;
67
68  DISALLOW_COPY_AND_ASSIGN(CastResourceDelegate);
69};
70
71}  // namespace chromecast
72
73#endif  // CHROMECAST_COMMON_CAST_RESOURCE_DELEGATE_H_
74