src/extensions/common/event_matcher.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_matcher.h"
   6
   7 #include "extensions/common/event_filtering_info.h"
   8
   9 namespace {
  10 const char kUrlFiltersKey[] = "url";
  11 }
  12
  13 namespace extensions {
  14
  15 const char kEventFilterServiceTypeKey[] = "serviceType";
  16
  17 EventMatcher::EventMatcher(scoped_ptr<base::DictionaryValue> filter,
  18                            int routing_id)
  19     : filter_(filter.Pass()),
  20       routing_id_(routing_id) {
  21 }
  22
  23 EventMatcher::~EventMatcher() {
  24 }
  25
  26 bool EventMatcher::MatchNonURLCriteria(
  27     const EventFilteringInfo& event_info) const {
  28   if (event_info.has_instance_id()) {
  29     return event_info.instance_id() == GetInstanceID();
  30   }
  31
  32   const std::string& service_type_filter = GetServiceTypeFilter();
  33   return service_type_filter.empty() ||
  34          service_type_filter == event_info.service_type();
  35 }
  36
  37 int EventMatcher::GetURLFilterCount() const {
  38   base::ListValue* url_filters = NULL;
  39   if (filter_->GetList(kUrlFiltersKey, &url_filters))
  40     return url_filters->GetSize();
  41   return 0;
  42 }
  43
  44 bool EventMatcher::GetURLFilter(int i, base::DictionaryValue** url_filter_out) {
  45   base::ListValue* url_filters = NULL;
  46   if (filter_->GetList(kUrlFiltersKey, &url_filters)) {
  47     return url_filters->GetDictionary(i, url_filter_out);
  48   }
  49   return false;
  50 }
  51
  52 int EventMatcher::HasURLFilters() const {
  53   return GetURLFilterCount() != 0;
  54 }
  55
  56 std::string EventMatcher::GetServiceTypeFilter() const {
  57   std::string service_type_filter;
  58   filter_->GetStringASCII(kEventFilterServiceTypeKey, &service_type_filter);
  59   return service_type_filter;
  60 }
  61
  62 int EventMatcher::GetInstanceID() const {
  63   int instance_id = 0;
  64   filter_->GetInteger("instanceId", &instance_id);
  65   return instance_id;
  66 }
  67
  68 int EventMatcher::GetRoutingID() const {
  69   return routing_id_;
  70 }
  71
  72 }  // namespace extensions