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 "webkit/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
  30     : public appcache::WebApplicationCacheHostImpl {
  31  public:
  32   WorkerWebApplicationCacheHostImpl(
  33       const WorkerAppCacheInitInfo& init_info,
  34       WebKit::WebApplicationCacheHostClient* client);
  35
  36   // Main resource loading is different for workers. The resource is
  37   // loaded by the creator of the worker rather than the worker itself.
  38   // These overrides are stubbed out.
  39   virtual void willStartMainResourceRequest(
  40       WebKit::WebURLRequest&, const WebKit::WebFrame*);
  41   virtual void didReceiveResponseForMainResource(
  42       const WebKit::WebURLResponse&);
  43   virtual void didReceiveDataForMainResource(const char* data, int len);
  44   virtual void didFinishLoadingMainResource(bool success);
  45
  46   // Cache selection is also different for workers. We know at construction
  47   // time what cache to select and do so then.
  48   // These overrides are stubbed out.
  49   virtual void selectCacheWithoutManifest();
  50   virtual bool selectCacheWithManifest(const WebKit::WebURL& manifestURL);
  51 };
  52
  53 }  // namespace content
  54
  55 #endif  // CHROME_WORKER_WORKER_WEBAPPLICATIONCACHEHOST_IMPL_H_