1 // Copyright (c) 2012 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/features/permission_feature.h" 6 7 #include "chrome/common/extensions/permissions/permission_set.h" 8 #include "chrome/common/extensions/permissions/permissions_data.h" 9 10 namespace extensions { 11 12 PermissionFeature::PermissionFeature() { 13 } 14 15 PermissionFeature::~PermissionFeature() { 16 } 17 18 Feature::Availability PermissionFeature::IsAvailableToContext( 19 const Extension* extension, 20 Feature::Context context, 21 const GURL& url, 22 Feature::Platform platform) const { 23 Availability availability = SimpleFeature::IsAvailableToContext(extension, 24 context, 25 url, 26 platform); 27 if (!availability.is_available()) 28 return availability; 29 30 if (extension && !PermissionsData::HasAPIPermission(extension, name())) 31 return CreateAvailability(NOT_PRESENT, extension->GetType()); 32 33 return CreateAvailability(IS_AVAILABLE); 34 } 35 36 std::string PermissionFeature::Parse(const base::DictionaryValue* value) { 37 std::string error = SimpleFeature::Parse(value); 38 if (!error.empty()) 39 return error; 40 41 if (extension_types()->empty()) { 42 return name() + ": Permission features must specify at least one " + 43 "value for extension_types."; 44 } 45 46 if (!GetContexts()->empty()) 47 return name() + ": Permission features do not support contexts."; 48 49 return std::string(); 50 } 51 52 } // namespace extensions 53
