summaryrefslogtreecommitdiffstats
path: root/chromecast/common/cast_resource_delegate.h
blob: 3e4cac2e4cb4069a7a78bdc33d3b030a58cddf82 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
// 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.

#ifndef CHROMECAST_COMMON_CAST_RESOURCE_DELEGATE_H_
#define CHROMECAST_COMMON_CAST_RESOURCE_DELEGATE_H_

#include <string>

#include "base/macros.h"
#include "base/memory/ref_counted_memory.h"
#include "base/memory/scoped_ptr.h"
#include "ui/base/resource/resource_bundle.h"

namespace base {
class FilePath;
}

namespace gfx {
class Image;
}

namespace chromecast {

// A singleton resource bundle delegate. Primary purpose is to indicate the
// correct locale pack file to load.
class CastResourceDelegate : public ui::ResourceBundle::Delegate {
 public:
  // Returns the singleton of delegate. It doesn't create an instance.
  static CastResourceDelegate* GetInstance();

  CastResourceDelegate();
  ~CastResourceDelegate() override;

  // ui:ResourceBundle::Delegate implementation:
  base::FilePath GetPathForResourcePack(
      const base::FilePath& pack_path,
      ui::ScaleFactor scale_factor) override;
  base::FilePath GetPathForLocalePack(
      const base::FilePath& pack_path,
      const std::string& locale) override;
  gfx::Image GetImageNamed(int resource_id) override;
  gfx::Image GetNativeImageNamed(
      int resource_id,
      ui::ResourceBundle::ImageRTL rtl) override;
  base::RefCountedStaticMemory* LoadDataResourceBytes(
      int resource_id,
      ui::ScaleFactor scale_factor) override;
  bool GetRawDataResource(int resource_id,
                          ui::ScaleFactor scale_factor,
                          base::StringPiece* value) override;
  bool GetLocalizedString(int message_id, base::string16* value) override;
  scoped_ptr<gfx::Font> GetFont(ui::ResourceBundle::FontStyle style) override;

  // Adds/removes/clears extra localized strings.
  void AddExtraLocalizedString(int resource_id,
                               const base::string16& localized);
  void RemoveExtraLocalizedString(int resource_id);
  void ClearAllExtraLocalizedStrings();

 private:
  typedef base::hash_map<int, base::string16> ExtraLocaledStringMap;

  ExtraLocaledStringMap extra_localized_strings_;

  DISALLOW_COPY_AND_ASSIGN(CastResourceDelegate);
};

}  // namespace chromecast

#endif  // CHROMECAST_COMMON_CAST_RESOURCE_DELEGATE_H_