45afcc3ba232e4de095df2d1c889a9c6944e24eb
[platform/framework/web/crosswalk.git] / src / content / browser / service_worker / service_worker_script_cache_map.h
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_SCRIPT_CACHE_MAP_H_
6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CACHE_MAP_H_
7
8 #include <map>
9 #include <vector>
10
11 #include "base/basictypes.h"
12 #include "base/memory/weak_ptr.h"
13 #include "content/browser/service_worker/service_worker_database.h"
14 #include "content/common/content_export.h"
15
16 class GURL;
17
18 namespace content {
19
20 class ServiceWorkerContextCore;
21 class ServiceWorkerVersion;
22
23 // Class that maintains the mapping between urls and a resource id
24 // for a particular version's implicit script resources.
25 class CONTENT_EXPORT ServiceWorkerScriptCacheMap {
26  public:
27   int64 Lookup(const GURL& url);
28
29   // Used during the initial run of a new version to build the map
30   // of resources ids.
31   void NotifyStartedCaching(const GURL& url, int64 resource_id);
32   void NotifyFinishedCaching(const GURL& url, bool success);
33
34   // Used to retrieve the results of the initial run of a new version.
35   bool HasError() const { return has_error_; }
36   void GetResources(
37       std::vector<ServiceWorkerDatabase::ResourceRecord>* resources);
38
39   // Used when loading an existing version.
40   void SetResources(
41      const std::vector<ServiceWorkerDatabase::ResourceRecord>& resources);
42
43   size_t size() const { return resource_ids_.size(); }
44
45  private:
46   typedef std::map<GURL, int64> ResourceIDMap;
47
48   // The version objects owns its script cache and provides a rawptr to it.
49   friend class ServiceWorkerVersion;
50   ServiceWorkerScriptCacheMap(
51       ServiceWorkerVersion* owner,
52       base::WeakPtr<ServiceWorkerContextCore> context);
53   ~ServiceWorkerScriptCacheMap();
54
55   ServiceWorkerVersion* owner_;
56   base::WeakPtr<ServiceWorkerContextCore> context_;
57   ResourceIDMap resource_ids_;
58   bool has_error_;
59
60   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerScriptCacheMap);
61 };
62
63 }  // namespace content
64
65 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CACHE_MAP_H_