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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 "chrome/common/extensions/incognito_handler.h"
      6 
      7 #include "base/memory/scoped_ptr.h"
      8 #include "base/strings/utf_string_conversions.h"
      9 #include "base/values.h"
     10 #include "chrome/common/extensions/extension.h"
     11 #include "chrome/common/extensions/extension_manifest_constants.h"
     12 
     13 namespace keys = extension_manifest_keys;
     14 
     15 namespace extensions {
     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, string16* error) {
     38   if (!extension->manifest()->HasKey(keys::kIncognito)) {
     39     // Apps default to split mode, extensions default to spanning.
     40     extension->SetManifestData(keys::kIncognito,
     41                                new IncognitoInfo(extension->is_app()));
     42     return true;
     43   }
     44 
     45   bool split_mode = false;
     46   std::string incognito_string;
     47   if (!extension->manifest()->GetString(keys::kIncognito, &incognito_string)) {
     48     *error = ASCIIToUTF16(extension_manifest_errors::kInvalidIncognitoBehavior);
     49     return false;
     50   }
     51 
     52   if (incognito_string == extension_manifest_values::kIncognitoSplit)
     53     split_mode = true;
     54   else if (incognito_string != extension_manifest_values::kIncognitoSpanning) {
     55     // If incognito_string == kIncognitoSpanning, it is valid and
     56     // split_mode remains false.
     57     *error = ASCIIToUTF16(extension_manifest_errors::kInvalidIncognitoBehavior);
     58     return false;
     59   }
     60 
     61   extension->SetManifestData(keys::kIncognito, new IncognitoInfo(split_mode));
     62   return true;
     63 }
     64 
     65 bool IncognitoHandler::AlwaysParseForType(Manifest::Type type) const {
     66   return true;
     67 }
     68 
     69 const std::vector<std::string> IncognitoHandler::Keys() const {
     70   return SingleKey(keys::kIncognito);
     71 }
     72 
     73 }  // namespace extensions
     74