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       has_window_type_(false) {}
  17
  18 EventFilteringInfo::~EventFilteringInfo() {
  19 }
  20
  21 void EventFilteringInfo::SetWindowType(const std::string& window_type) {
  22   window_type_ = window_type;
  23   has_window_type_ = true;
  24 }
  25
  26 void EventFilteringInfo::SetURL(const GURL& url) {
  27   url_ = url;
  28   has_url_ = true;
  29 }
  30
  31 void EventFilteringInfo::SetInstanceID(int instance_id) {
  32   instance_id_ = instance_id;
  33   has_instance_id_ = true;
  34 }
  35
  36 scoped_ptr<base::Value> EventFilteringInfo::AsValue() const {
  37   if (IsEmpty())
  38     return base::Value::CreateNullValue();
  39
  40   scoped_ptr<base::DictionaryValue> result(new base::DictionaryValue);
  41   if (has_url_)
  42     result->SetString("url", url_.spec());
  43
  44   if (has_instance_id_)
  45     result->SetInteger("instanceId", instance_id_);
  46
  47   if (!service_type_.empty())
  48     result->SetString("serviceType", service_type_);
  49
  50   if (has_window_type_)
  51     result->SetString("windowType", window_type_);
  52
  53   return result.Pass();
  54 }
  55
  56 bool EventFilteringInfo::IsEmpty() const {
  57   return !has_window_type_ && !has_url_ && service_type_.empty() &&
  58          !has_instance_id_;
  59 }
  60
  61 }  // namespace extensions