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 EventMatcher::EventMatcher(scoped_ptr<base::DictionaryValue> filter)
  16     : filter_(filter.Pass()) {
  17 }
  18
  19 EventMatcher::~EventMatcher() {
  20 }
  21
  22 bool EventMatcher::MatchNonURLCriteria(
  23     const EventFilteringInfo& event_info) const {
  24   // There is currently no criteria apart from URL criteria.
  25   return true;
  26 }
  27
  28 int EventMatcher::GetURLFilterCount() const {
  29   base::ListValue* url_filters = NULL;
  30   if (filter_->GetList(kUrlFiltersKey, &url_filters))
  31     return url_filters->GetSize();
  32   return 0;
  33 }
  34
  35 bool EventMatcher::GetURLFilter(int i, base::DictionaryValue** url_filter_out) {
  36   base::ListValue* url_filters = NULL;
  37   if (filter_->GetList(kUrlFiltersKey, &url_filters)) {
  38     return url_filters->GetDictionary(i, url_filter_out);
  39   }
  40   return false;
  41 }
  42
  43 int EventMatcher::HasURLFilters() const {
  44   return GetURLFilterCount() != 0;
  45 }
  46
  47 }  // namespace extensions