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
9namespace {
10const char kUrlFiltersKey[] = "url";
11}
12
13namespace extensions {
14
15EventMatcher::EventMatcher(scoped_ptr<base::DictionaryValue> filter,
16                           int routing_id)
17    : filter_(filter.Pass()),
18      routing_id_(routing_id) {
19}
20
21EventMatcher::~EventMatcher() {
22}
23
24bool EventMatcher::MatchNonURLCriteria(
25    const EventFilteringInfo& event_info) const {
26  if (!event_info.has_instance_id())
27    return true;
28
29  return event_info.instance_id() == GetInstanceID();
30}
31
32int EventMatcher::GetURLFilterCount() const {
33  base::ListValue* url_filters = NULL;
34  if (filter_->GetList(kUrlFiltersKey, &url_filters))
35    return url_filters->GetSize();
36  return 0;
37}
38
39bool EventMatcher::GetURLFilter(int i, base::DictionaryValue** url_filter_out) {
40  base::ListValue* url_filters = NULL;
41  if (filter_->GetList(kUrlFiltersKey, &url_filters)) {
42    return url_filters->GetDictionary(i, url_filter_out);
43  }
44  return false;
45}
46
47int EventMatcher::HasURLFilters() const {
48  return GetURLFilterCount() != 0;
49}
50
51int EventMatcher::GetInstanceID() const {
52  int instance_id = 0;
53  filter_->GetInteger("instanceId", &instance_id);
54  return instance_id;
55}
56
57int EventMatcher::GetRoutingID() const {
58  return routing_id_;
59}
60
61}  // namespace extensions
62