chrome/browser/extensions/chrome_component_extension_resource_manager.cc

   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 "chrome/browser/extensions/chrome_component_extension_resource_manager.h"
   6
   7 #include "base/logging.h"
   8 #include "base/path_service.h"
   9 #include "chrome/common/chrome_paths.h"
  10 #include "grit/chrome_unscaled_resources.h"
  11 #include "grit/component_extension_resources_map.h"
  12 #include "grit/theme_resources.h"
  13
  14 #if defined(OS_CHROMEOS)
  15 #include "ui/file_manager/file_manager_resource_util.h"
  16 #endif
  17
  18 #if defined(USE_AURA)
  19 #include "ui/keyboard/keyboard_util.h"
  20 #endif
  21
  22 namespace extensions {
  23
  24 ChromeComponentExtensionResourceManager::
  25 ChromeComponentExtensionResourceManager() {
  26   static const GritResourceMap kExtraComponentExtensionResources[] = {
  27     {"web_store/webstore_icon_128.png", IDR_WEBSTORE_ICON},
  28     {"web_store/webstore_icon_16.png", IDR_WEBSTORE_ICON_16},
  29     {"chrome_app/product_logo_128.png", IDR_PRODUCT_LOGO_128},
  30     {"chrome_app/product_logo_16.png", IDR_PRODUCT_LOGO_16},
  31 #if defined(ENABLE_SETTINGS_APP)
  32     {"settings_app/settings_app_icon_128.png", IDR_SETTINGS_APP_ICON_128},
  33     {"settings_app/settings_app_icon_16.png", IDR_SETTINGS_APP_ICON_16},
  34     {"settings_app/settings_app_icon_32.png", IDR_SETTINGS_APP_ICON_32},
  35     {"settings_app/settings_app_icon_48.png", IDR_SETTINGS_APP_ICON_48},
  36 #endif
  37   };
  38
  39   AddComponentResourceEntries(
  40       kComponentExtensionResources,
  41       kComponentExtensionResourcesSize);
  42   AddComponentResourceEntries(
  43       kExtraComponentExtensionResources,
  44       arraysize(kExtraComponentExtensionResources));
  45 #if defined(OS_CHROMEOS)
  46   size_t file_manager_resource_size;
  47   const GritResourceMap* file_manager_resources =
  48       file_manager::GetFileManagerResources(&file_manager_resource_size);
  49   AddComponentResourceEntries(
  50       file_manager_resources,
  51       file_manager_resource_size);
  52
  53   size_t keyboard_resource_size;
  54   const GritResourceMap* keyboard_resources =
  55       keyboard::GetKeyboardExtensionResources(&keyboard_resource_size);
  56   AddComponentResourceEntries(
  57       keyboard_resources,
  58       keyboard_resource_size);
  59 #endif
  60 }
  61
  62 ChromeComponentExtensionResourceManager::
  63 ~ChromeComponentExtensionResourceManager() {}
  64
  65 bool ChromeComponentExtensionResourceManager::IsComponentExtensionResource(
  66     const base::FilePath& extension_path,
  67     const base::FilePath& resource_path,
  68     int* resource_id) {
  69   base::FilePath directory_path = extension_path;
  70   base::FilePath resources_dir;
  71   base::FilePath relative_path;
  72   if (!PathService::Get(chrome::DIR_RESOURCES, &resources_dir) ||
  73       !resources_dir.AppendRelativePath(directory_path, &relative_path)) {
  74     return false;
  75   }
  76   relative_path = relative_path.Append(resource_path);
  77   relative_path = relative_path.NormalizePathSeparators();
  78
  79   std::map<base::FilePath, int>::const_iterator entry =
  80       path_to_resource_id_.find(relative_path);
  81   if (entry != path_to_resource_id_.end())
  82     *resource_id = entry->second;
  83
  84   return entry != path_to_resource_id_.end();
  85 }
  86
  87 void ChromeComponentExtensionResourceManager::AddComponentResourceEntries(
  88     const GritResourceMap* entries,
  89     size_t size) {
  90   for (size_t i = 0; i < size; ++i) {
  91     base::FilePath resource_path = base::FilePath().AppendASCII(
  92         entries[i].name);
  93     resource_path = resource_path.NormalizePathSeparators();
  94
  95     DCHECK(path_to_resource_id_.find(resource_path) ==
  96         path_to_resource_id_.end());
  97     path_to_resource_id_[resource_path] = entries[i].value;
  98   }
  99 }
 100
 101 }  // namespace extensions