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      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 #include "chromecast/common/cast_resource_delegate.h"
      6 
      7 #include "base/files/file_path.h"
      8 #include "base/path_service.h"
      9 #include "ui/gfx/image/image.h"
     10 
     11 namespace chromecast {
     12 
     13 namespace {
     14 
     15 CastResourceDelegate* g_instance = NULL;
     16 
     17 }  // namespace
     18 
     19 // static
     20 CastResourceDelegate* CastResourceDelegate::GetInstance() {
     21   DCHECK(g_instance);
     22   return g_instance;
     23 }
     24 
     25 CastResourceDelegate::CastResourceDelegate() {
     26   DCHECK(!g_instance) << "Cannot initialize resource bundle delegate twice.";
     27   g_instance = this;
     28 }
     29 
     30 CastResourceDelegate::~CastResourceDelegate() {
     31   DCHECK_EQ(g_instance, this);
     32   g_instance = NULL;
     33 }
     34 
     35 base::FilePath CastResourceDelegate::GetPathForResourcePack(
     36     const base::FilePath& pack_path,
     37     ui::ScaleFactor scale_factor) {
     38   return pack_path;
     39 };
     40 
     41 base::FilePath CastResourceDelegate::GetPathForLocalePack(
     42     const base::FilePath& pack_path,
     43     const std::string& locale) {
     44   base::FilePath product_dir;
     45   if (!PathService::Get(base::DIR_MODULE, &product_dir)) {
     46     NOTREACHED();
     47   }
     48   return product_dir.
     49       Append(FILE_PATH_LITERAL("chromecast_locales")).
     50       Append(FILE_PATH_LITERAL(locale)).
     51       AddExtension(FILE_PATH_LITERAL("pak"));
     52 };
     53 
     54 gfx::Image CastResourceDelegate::GetImageNamed(int resource_id) {
     55   return gfx::Image();
     56 };
     57 
     58 gfx::Image CastResourceDelegate::GetNativeImageNamed(
     59     int resource_id,
     60     ui::ResourceBundle::ImageRTL rtl) {
     61   return gfx::Image();
     62 };
     63 
     64 base::RefCountedStaticMemory* CastResourceDelegate::LoadDataResourceBytes(
     65     int resource_id,
     66     ui::ScaleFactor scale_factor) {
     67   return NULL;
     68 };
     69 
     70 bool CastResourceDelegate::GetRawDataResource(int resource_id,
     71                                               ui::ScaleFactor scale_factor,
     72                                               base::StringPiece* value) {
     73   return false;
     74 };
     75 
     76 bool CastResourceDelegate::GetLocalizedString(int message_id,
     77                                               base::string16* value) {
     78   ExtraLocaledStringMap::const_iterator it =
     79       extra_localized_strings_.find(message_id);
     80   if (it != extra_localized_strings_.end()) {
     81     *value = it->second;
     82     return true;
     83   }
     84   return false;
     85 };
     86 
     87 void CastResourceDelegate::AddExtraLocalizedString(
     88     int resource_id,
     89     const base::string16& localized) {
     90   RemoveExtraLocalizedString(resource_id);
     91   extra_localized_strings_.insert(std::make_pair(resource_id, localized));
     92 }
     93 
     94 void CastResourceDelegate::RemoveExtraLocalizedString(int resource_id) {
     95   extra_localized_strings_.erase(resource_id);
     96 }
     97 
     98 void CastResourceDelegate::ClearAllExtraLocalizedStrings() {
     99   extra_localized_strings_.clear();
    100 }
    101 
    102 scoped_ptr<gfx::Font> CastResourceDelegate::GetFont(
    103     ui::ResourceBundle::FontStyle style) {
    104   return scoped_ptr<gfx::Font>();
    105 };
    106 
    107 }  // namespace chromecast
    108