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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 "extensions/common/permissions/settings_override_permission.h"
      6 
      7 #include "base/strings/utf_string_conversions.h"
      8 #include "grit/extensions_strings.h"
      9 #include "ui/base/l10n/l10n_util.h"
     10 
     11 namespace extensions {
     12 
     13 SettingsOverrideAPIPermission::SettingsOverrideAPIPermission(
     14     const APIPermissionInfo* permission,
     15     const std::string& setting_value)
     16     : APIPermission(permission), setting_value_(setting_value) {}
     17 
     18 SettingsOverrideAPIPermission::~SettingsOverrideAPIPermission() {}
     19 
     20 bool SettingsOverrideAPIPermission::HasMessages() const {
     21   return info()->message_id() > PermissionMessage::kNone;
     22 }
     23 
     24 PermissionMessages SettingsOverrideAPIPermission::GetMessages() const {
     25   DCHECK(HasMessages());
     26   int string_id = -1;
     27   switch (id()) {
     28     case kHomepage: {
     29       string_id = IDS_EXTENSION_PROMPT_WARNING_HOME_PAGE_SETTING_OVERRIDE;
     30       break;
     31     }
     32     case kStartupPages: {
     33       string_id = IDS_EXTENSION_PROMPT_WARNING_START_PAGE_SETTING_OVERRIDE;
     34       break;
     35     }
     36     case kSearchProvider: {
     37       string_id = IDS_EXTENSION_PROMPT_WARNING_SEARCH_SETTINGS_OVERRIDE;
     38       break;
     39     }
     40     default:
     41       NOTREACHED();
     42   }
     43   PermissionMessages result;
     44   result.push_back(
     45       PermissionMessage(info()->message_id(),
     46                         l10n_util::GetStringFUTF16(
     47                             string_id, base::UTF8ToUTF16(setting_value_))));
     48   return result;
     49 }
     50 
     51 bool SettingsOverrideAPIPermission::Check(
     52     const APIPermission::CheckParam* param) const {
     53   return (param == NULL);
     54 }
     55 
     56 bool SettingsOverrideAPIPermission::Contains(const APIPermission* rhs) const {
     57   CHECK_EQ(info(), rhs->info());
     58   return true;
     59 }
     60 
     61 bool SettingsOverrideAPIPermission::Equal(const APIPermission* rhs) const {
     62   if (this != rhs)
     63     CHECK_EQ(info(), rhs->info());
     64   return true;
     65 }
     66 
     67 bool SettingsOverrideAPIPermission::FromValue(
     68     const base::Value* value,
     69     std::string* /*error*/,
     70     std::vector<std::string>* unhandled_permissions) {
     71   return (value == NULL);
     72 }
     73 
     74 scoped_ptr<base::Value> SettingsOverrideAPIPermission::ToValue() const {
     75   return scoped_ptr<base::Value>();
     76 }
     77 
     78 APIPermission* SettingsOverrideAPIPermission::Clone() const {
     79   return new SettingsOverrideAPIPermission(info(), setting_value_);
     80 }
     81 
     82 APIPermission* SettingsOverrideAPIPermission::Diff(
     83     const APIPermission* rhs) const {
     84   CHECK_EQ(info(), rhs->info());
     85   return NULL;
     86 }
     87 
     88 APIPermission* SettingsOverrideAPIPermission::Union(
     89     const APIPermission* rhs) const {
     90   CHECK_EQ(info(), rhs->info());
     91   return new SettingsOverrideAPIPermission(info(), setting_value_);
     92 }
     93 
     94 APIPermission* SettingsOverrideAPIPermission::Intersect(
     95     const APIPermission* rhs) const {
     96   CHECK_EQ(info(), rhs->info());
     97   return new SettingsOverrideAPIPermission(info(), setting_value_);
     98 }
     99 
    100 void SettingsOverrideAPIPermission::Write(IPC::Message* m) const {}
    101 
    102 bool SettingsOverrideAPIPermission::Read(const IPC::Message* m,
    103                                          PickleIterator* iter) {
    104   return true;
    105 }
    106 
    107 void SettingsOverrideAPIPermission::Log(std::string* log) const {}
    108 
    109 }  // namespace extensions
    110