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      1 // Copyright (c) 2013 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/manifest_handlers/incognito_info.h"
      6 
      7 #include "base/memory/scoped_ptr.h"
      8 #include "base/strings/utf_string_conversions.h"
      9 #include "base/values.h"
     10 #include "extensions/common/extension.h"
     11 #include "extensions/common/manifest_constants.h"
     12 
     13 namespace extensions {
     14 
     15 namespace keys = manifest_keys;
     16 
     17 IncognitoInfo::IncognitoInfo(bool incognito_split_mode)
     18     : split_mode(incognito_split_mode) {
     19 }
     20 
     21 IncognitoInfo::~IncognitoInfo() {
     22 }
     23 
     24 // static
     25 bool IncognitoInfo::IsSplitMode(const Extension* extension) {
     26   IncognitoInfo* info = static_cast<IncognitoInfo*>(
     27       extension->GetManifestData(keys::kIncognito));
     28   return info ? info->split_mode : false;
     29 }
     30 
     31 IncognitoHandler::IncognitoHandler() {
     32 }
     33 
     34 IncognitoHandler::~IncognitoHandler() {
     35 }
     36 
     37 bool IncognitoHandler::Parse(Extension* extension, base::string16* error) {
     38   if (!extension->manifest()->HasKey(keys::kIncognito)) {
     39     // Extensions and Chrome apps default to spanning mode.
     40     // Hosted and legacy packaged apps default to split mode.
     41     extension->SetManifestData(
     42         keys::kIncognito,
     43         new IncognitoInfo(extension->is_hosted_app() ||
     44                           extension->is_legacy_packaged_app()));
     45     return true;
     46   }
     47 
     48   bool split_mode = false;
     49   std::string incognito_string;
     50   if (!extension->manifest()->GetString(keys::kIncognito, &incognito_string)) {
     51     *error = base::ASCIIToUTF16(manifest_errors::kInvalidIncognitoBehavior);
     52     return false;
     53   }
     54 
     55   if (incognito_string == manifest_values::kIncognitoSplit)
     56     split_mode = true;
     57   else if (incognito_string != manifest_values::kIncognitoSpanning) {
     58     // If incognito_string == kIncognitoSpanning, it is valid and
     59     // split_mode remains false.
     60     *error = base::ASCIIToUTF16(manifest_errors::kInvalidIncognitoBehavior);
     61     return false;
     62   }
     63 
     64   extension->SetManifestData(keys::kIncognito, new IncognitoInfo(split_mode));
     65   return true;
     66 }
     67 
     68 bool IncognitoHandler::AlwaysParseForType(Manifest::Type type) const {
     69   return true;
     70 }
     71 
     72 const std::vector<std::string> IncognitoHandler::Keys() const {
     73   return SingleKey(keys::kIncognito);
     74 }
     75 
     76 }  // namespace extensions
     77