| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_SERVICE_WORKER_HELPER_H_ |
| #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_SERVICE_WORKER_HELPER_H_ |
| |
| #include <stddef.h> |
| |
| #include <list> |
| #include <set> |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "content/public/browser/service_worker_context.h" |
| #include "url/gurl.h" |
| #include "url/origin.h" |
| |
| namespace content { |
| struct StorageUsageInfo; |
| } |
| |
| // BrowsingDataServiceWorkerHelper is an interface for classes dealing with |
| // aggregating and deleting browsing data stored for Service Workers - |
| // registrations, scripts, and caches. |
| // A client of this class need to call StartFetching from the UI thread to |
| // initiate the flow, and it'll be notified by the callback in its UI thread at |
| // some later point. |
| class BrowsingDataServiceWorkerHelper |
| : public base::RefCountedThreadSafe<BrowsingDataServiceWorkerHelper> { |
| public: |
| using FetchCallback = |
| base::OnceCallback<void(const std::list<content::StorageUsageInfo>&)>; |
| |
| // Create a BrowsingDataServiceWorkerHelper instance for the Service Workers |
| // stored in |context|'s associated profile's user data directory. |
| explicit BrowsingDataServiceWorkerHelper( |
| content::ServiceWorkerContext* context); |
| |
| // Starts the fetching process, which will notify its completion via |
| // |callback|. This must be called only in the UI thread. |
| virtual void StartFetching(FetchCallback callback); |
| // Requests the Service Worker data for an origin be deleted. |
| virtual void DeleteServiceWorkers(const GURL& origin); |
| |
| protected: |
| virtual ~BrowsingDataServiceWorkerHelper(); |
| |
| // Owned by the profile. |
| content::ServiceWorkerContext* service_worker_context_; |
| |
| private: |
| friend class base::RefCountedThreadSafe<BrowsingDataServiceWorkerHelper>; |
| |
| // Enumerates all Service Worker instances on the IO thread. |
| void FetchServiceWorkerUsageInfoOnIOThread(FetchCallback callback); |
| |
| // Deletes Service Workers for an origin the IO thread. |
| void DeleteServiceWorkersOnIOThread(const GURL& origin); |
| |
| DISALLOW_COPY_AND_ASSIGN(BrowsingDataServiceWorkerHelper); |
| }; |
| |
| // This class is an implementation of BrowsingDataServiceWorkerHelper that does |
| // not fetch its information from the Service Worker context, but is passed the |
| // info by call when accessed. |
| class CannedBrowsingDataServiceWorkerHelper |
| : public BrowsingDataServiceWorkerHelper { |
| public: |
| explicit CannedBrowsingDataServiceWorkerHelper( |
| content::ServiceWorkerContext* context); |
| |
| // Add a Service Worker to the set of canned Service Workers that is |
| // returned by this helper. |
| void Add(const url::Origin& origin); |
| |
| // Clear the list of canned Service Workers. |
| void Reset(); |
| |
| // True if no Service Workers are currently stored. |
| bool empty() const; |
| |
| // Returns the number of currently stored Service Workers. |
| size_t GetCount() const; |
| |
| // Returns the current list of Service Workers. |
| const std::set<url::Origin>& GetOrigins() const; |
| |
| // BrowsingDataServiceWorkerHelper methods. |
| void StartFetching(FetchCallback callback) override; |
| void DeleteServiceWorkers(const GURL& origin) override; |
| |
| private: |
| ~CannedBrowsingDataServiceWorkerHelper() override; |
| |
| std::set<url::Origin> pending_origins_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataServiceWorkerHelper); |
| }; |
| |
| #endif // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_SERVICE_WORKER_HELPER_H_ |