content/renderer/cache_storage/webserviceworkercachestorage_impl.h

   1 // Copyright 2015 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_RENDERER_SERVICE_WORKER_WEB_SERVICE_WORKER_CACHE_STORAGE_IMPL_H_
   6 #define CONTENT_RENDERER_SERVICE_WORKER_WEB_SERVICE_WORKER_CACHE_STORAGE_IMPL_H_
   7
   8 #include "content/child/thread_safe_sender.h"
   9 #include "third_party/WebKit/public/platform/WebServiceWorkerCache.h"
  10 #include "third_party/WebKit/public/platform/WebServiceWorkerCacheError.h"
  11 #include "third_party/WebKit/public/platform/WebServiceWorkerCacheStorage.h"
  12 #include "third_party/WebKit/public/platform/WebString.h"
  13
  14 namespace content {
  15
  16 class CacheStorageDispatcher;
  17 class ThreadSafeSender;
  18
  19 // This corresponds to an instance of the script-facing CacheStorage object.
  20 // One exists per script execution context (window, worker) and has an origin
  21 // which provides a namespace for the caches. Script calls to the CacheStorage
  22 // object are routed through here to the (per-thread) dispatcher then on to
  23 // the browser, with the origin added to the call parameters. Cache instances
  24 // returned by open() calls are minted by and implemented within the code of
  25 // the CacheStorageDispatcher, and include routing information.
  26 class WebServiceWorkerCacheStorageImpl
  27     : public blink::WebServiceWorkerCacheStorage {
  28  public:
  29   WebServiceWorkerCacheStorageImpl(ThreadSafeSender* thread_safe_sender,
  30                                    const GURL& origin);
  31   ~WebServiceWorkerCacheStorageImpl();
  32
  33   // From WebServiceWorkerCacheStorage:
  34   virtual void dispatchHas(CacheStorageCallbacks* callbacks,
  35                            const blink::WebString& cacheName);
  36   virtual void dispatchOpen(CacheStorageWithCacheCallbacks* callbacks,
  37                             const blink::WebString& cacheName);
  38   virtual void dispatchDelete(CacheStorageCallbacks* callbacks,
  39                               const blink::WebString& cacheName);
  40   virtual void dispatchKeys(CacheStorageKeysCallbacks* callbacks);
  41   virtual void dispatchMatch(
  42       CacheStorageMatchCallbacks* callbacks,
  43       const blink::WebServiceWorkerRequest& request,
  44       const blink::WebServiceWorkerCache::QueryParams& query_params);
  45
  46  private:
  47   // Helper to return the thread-specific dispatcher.
  48   CacheStorageDispatcher* GetDispatcher() const;
  49
  50   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
  51   const GURL origin_;
  52
  53   DISALLOW_COPY_AND_ASSIGN(WebServiceWorkerCacheStorageImpl);
  54 };
  55
  56 }  // namespace content
  57
  58 #endif  // CONTENT_RENDERER_SERVICE_WORKER_WEB_SERVICE_WORKER_CACHE_STORAGE_IMPL_H_