extensions/common/event_filtering_info.cc

   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 "extensions/common/event_filtering_info.h"
   6
   7 #include "base/json/json_writer.h"
   8 #include "base/values.h"
   9
  10 namespace extensions {
  11
  12 EventFilteringInfo::EventFilteringInfo()
  13     : has_url_(false),
  14       has_instance_id_(false),
  15       instance_id_(0) {
  16 }
  17
  18 EventFilteringInfo::~EventFilteringInfo() {
  19 }
  20
  21 void EventFilteringInfo::SetURL(const GURL& url) {
  22   url_ = url;
  23   has_url_ = true;
  24 }
  25
  26 void EventFilteringInfo::SetInstanceID(int instance_id) {
  27   instance_id_ = instance_id;
  28   has_instance_id_ = true;
  29 }
  30
  31 scoped_ptr<base::Value> EventFilteringInfo::AsValue() const {
  32   if (IsEmpty())
  33     return scoped_ptr<base::Value>(base::Value::CreateNullValue());
  34
  35   scoped_ptr<base::DictionaryValue> result(new base::DictionaryValue);
  36   if (has_url_)
  37     result->SetString("url", url_.spec());
  38
  39   if (has_instance_id_)
  40     result->SetInteger("instanceId", instance_id_);
  41
  42   if (!service_type_.empty())
  43     result->SetString("serviceType", service_type_);
  44
  45   return result.PassAs<base::Value>();
  46 }
  47
  48 bool EventFilteringInfo::IsEmpty() const {
  49   return !has_url_ && service_type_.empty() && !has_instance_id_;
  50 }
  51
  52 }  // namespace extensions