extensions/common/manifest_handlers/offline_enabled_info.cc

   1 // Copyright 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/offline_enabled_info.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "base/strings/string16.h"
   9 #include "base/strings/string_util.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "base/values.h"
  12 #include "extensions/common/manifest_constants.h"
  13
  14 namespace extensions {
  15
  16 namespace keys = manifest_keys;
  17
  18 OfflineEnabledInfo::OfflineEnabledInfo(bool is_offline_enabled)
  19     : offline_enabled(is_offline_enabled) {
  20 }
  21
  22 OfflineEnabledInfo::~OfflineEnabledInfo() {
  23 }
  24
  25 // static
  26 bool OfflineEnabledInfo::IsOfflineEnabled(const Extension* extension) {
  27   OfflineEnabledInfo* info = static_cast<OfflineEnabledInfo*>(
  28       extension->GetManifestData(keys::kOfflineEnabled));
  29   return info ? info->offline_enabled : false;
  30 }
  31
  32 OfflineEnabledHandler::OfflineEnabledHandler() {
  33 }
  34
  35 OfflineEnabledHandler::~OfflineEnabledHandler() {
  36 }
  37
  38 bool OfflineEnabledHandler::Parse(Extension* extension, string16* error) {
  39   if (!extension->manifest()->HasKey(keys::kOfflineEnabled)) {
  40     // Only platform apps default to being enabled offline, and we should only
  41     // attempt parsing without a key present if it is a platform app.
  42     DCHECK(extension->is_platform_app());
  43     extension->SetManifestData(keys::kOfflineEnabled,
  44                                new OfflineEnabledInfo(true));
  45     return true;
  46   }
  47
  48   bool offline_enabled = false;
  49
  50   if (!extension->manifest()->GetBoolean(keys::kOfflineEnabled,
  51                                          &offline_enabled)) {
  52     *error = ASCIIToUTF16(manifest_errors::kInvalidOfflineEnabled);
  53     return false;
  54   }
  55
  56   extension->SetManifestData(keys::kOfflineEnabled,
  57                              new OfflineEnabledInfo(offline_enabled));
  58   return true;
  59 }
  60
  61 bool OfflineEnabledHandler::AlwaysParseForType(Manifest::Type type) const {
  62   return type == Manifest::TYPE_PLATFORM_APP;
  63 }
  64
  65 const std::vector<std::string> OfflineEnabledHandler::Keys() const {
  66   return SingleKey(keys::kOfflineEnabled);
  67 }
  68
  69 }  // namespace extensions