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       has_window_exposed_by_default_(false) {}
  18
  19 EventFilteringInfo::~EventFilteringInfo() {
  20 }
  21
  22 void EventFilteringInfo::SetWindowType(const std::string& window_type) {
  23   window_type_ = window_type;
  24   has_window_type_ = true;
  25 }
  26
  27 void EventFilteringInfo::SetWindowExposedByDefault(const bool exposed) {
  28   window_exposed_by_default_ = exposed;
  29   has_window_exposed_by_default_ = true;
  30 }
  31
  32 void EventFilteringInfo::SetURL(const GURL& url) {
  33   url_ = url;
  34   has_url_ = true;
  35 }
  36
  37 void EventFilteringInfo::SetInstanceID(int instance_id) {
  38   instance_id_ = instance_id;
  39   has_instance_id_ = true;
  40 }
  41
  42 scoped_ptr<base::Value> EventFilteringInfo::AsValue() const {
  43   if (IsEmpty())
  44     return base::Value::CreateNullValue();
  45
  46   scoped_ptr<base::DictionaryValue> result(new base::DictionaryValue);
  47   if (has_url_)
  48     result->SetString("url", url_.spec());
  49
  50   if (has_instance_id_)
  51     result->SetInteger("instanceId", instance_id_);
  52
  53   if (!service_type_.empty())
  54     result->SetString("serviceType", service_type_);
  55
  56   if (has_window_type_)
  57     result->SetString("windowType", window_type_);
  58
  59   if (has_window_exposed_by_default_)
  60     result->SetBoolean("windowExposedByDefault", window_exposed_by_default_);
  61
  62   return result.Pass();
  63 }
  64
  65 bool EventFilteringInfo::IsEmpty() const {
  66   return !has_window_type_ && !has_url_ && service_type_.empty() &&
  67          !has_instance_id_ && !has_window_exposed_by_default_;
  68 }
  69
  70 }  // namespace extensions