content/worker/worker_webapplicationcachehost_impl.h

   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 #ifndef CHROME_WORKER_WORKER_WEBAPPLICATIONCACHEHOST_IMPL_H_
   6 #define CHROME_WORKER_WORKER_WEBAPPLICATIONCACHEHOST_IMPL_H_
   7
   8 #include "content/child/appcache/web_application_cache_host_impl.h"
   9
  10 namespace content {
  11
  12 // Information used to construct and initialize an appcache host
  13 // for a worker.
  14 struct WorkerAppCacheInitInfo {
  15   int parent_process_id;
  16   int64 main_resource_appcache_id;  // Only valid for shared workers.
  17
  18   WorkerAppCacheInitInfo()
  19       : parent_process_id(0),
  20         main_resource_appcache_id(0) {
  21   }
  22   WorkerAppCacheInitInfo(
  23       int process_id, int64 cache_id)
  24       : parent_process_id(process_id),
  25         main_resource_appcache_id(cache_id) {
  26   }
  27 };
  28
  29 class WorkerWebApplicationCacheHostImpl : public WebApplicationCacheHostImpl {
  30  public:
  31   WorkerWebApplicationCacheHostImpl(
  32       const WorkerAppCacheInitInfo& init_info,
  33       blink::WebApplicationCacheHostClient* client);
  34
  35   // Main resource loading is different for workers. The resource is
  36   // loaded by the creator of the worker rather than the worker itself.
  37   // These overrides are stubbed out.
  38   virtual void willStartMainResourceRequest(
  39       blink::WebURLRequest&, const blink::WebFrame*);
  40   virtual void didReceiveResponseForMainResource(
  41       const blink::WebURLResponse&);
  42   virtual void didReceiveDataForMainResource(const char* data, int len);
  43   virtual void didFinishLoadingMainResource(bool success);
  44
  45   // Cache selection is also different for workers. We know at construction
  46   // time what cache to select and do so then.
  47   // These overrides are stubbed out.
  48   virtual void selectCacheWithoutManifest();
  49   virtual bool selectCacheWithManifest(const blink::WebURL& manifestURL);
  50 };
  51
  52 }  // namespace content
  53
  54 #endif  // CHROME_WORKER_WORKER_WEBAPPLICATIONCACHEHOST_IMPL_H_