service_worker_utils.h revision 46d4c2bc3267f3f028f39e7e311b0f89aba2e4fd 
1// Copyright 2014 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#ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_UTILS_H_
6#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_UTILS_H_
7
8#include "content/common/content_export.h"
9#include "content/common/service_worker/service_worker_status_code.h"
10#include "webkit/common/resource_type.h"
11
12class GURL;
13
14namespace content {
15
16class ServiceWorkerUtils {
17 public:
18  static bool IsMainResourceType(ResourceType::Type type) {
19    return ResourceType::IsFrame(type) ||
20           ResourceType::IsSharedWorker(type);
21  }
22
23  static bool IsServiceWorkerResourceType(ResourceType::Type type) {
24    return ResourceType::IsServiceWorker(type);
25  }
26
27  // Returns true if the feature is enabled (or not disabled) by command-line
28  // flag.
29  static bool IsFeatureEnabled();
30
31  // A helper for creating a do-nothing status callback.
32  static void NoOpStatusCallback(ServiceWorkerStatusCode status) {}
33
34  // Returns true if |scope| matches |url|.
35  CONTENT_EXPORT static bool ScopeMatches(const GURL& scope, const GURL& url);
36};
37
38class CONTENT_EXPORT LongestScopeMatcher {
39 public:
40  explicit LongestScopeMatcher(const GURL& url) : url_(url) {}
41  virtual ~LongestScopeMatcher() {}
42
43  // Returns true if |scope| matches |url_| longer than |match_|.
44  bool MatchLongest(const GURL& scope);
45
46 private:
47  const GURL url_;
48  GURL match_;
49
50  DISALLOW_COPY_AND_ASSIGN(LongestScopeMatcher);
51};
52
53}  // namespace content
54
55#endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_UTILS_H_
56