content/browser/appcache/appcache_dispatcher_host.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 CONTENT_BROWSER_APPCACHE_APPCACHE_DISPATCHER_HOST_H_
   6 #define CONTENT_BROWSER_APPCACHE_APPCACHE_DISPATCHER_HOST_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/process/process.h"
  13 #include "content/browser/appcache/appcache_frontend_proxy.h"
  14 #include "content/public/browser/browser_message_filter.h"
  15 #include "webkit/browser/appcache/appcache_backend_impl.h"
  16
  17 namespace content {
  18 class ChromeAppCacheService;
  19
  20 // Handles appcache related messages sent to the main browser process from
  21 // its child processes. There is a distinct host for each child process.
  22 // Messages are handled on the IO thread. The BrowserRenderProcessHost and
  23 // WorkerProcessHost create an instance and delegates calls to it.
  24 class AppCacheDispatcherHost : public BrowserMessageFilter {
  25  public:
  26   AppCacheDispatcherHost(ChromeAppCacheService* appcache_service,
  27                          int process_id);
  28
  29   // BrowserIOMessageFilter implementation
  30   virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
  31   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  32
  33  protected:
  34   virtual ~AppCacheDispatcherHost();
  35
  36   // BrowserMessageFilter override.
  37   virtual void BadMessageReceived() OVERRIDE;
  38
  39  private:
  40   // IPC message handlers
  41   void OnRegisterHost(int host_id);
  42   void OnUnregisterHost(int host_id);
  43   void OnSetSpawningHostId(int host_id, int spawning_host_id);
  44   void OnSelectCache(int host_id, const GURL& document_url,
  45                      int64 cache_document_was_loaded_from,
  46                      const GURL& opt_manifest_url);
  47   void OnSelectCacheForWorker(int host_id, int parent_process_id,
  48                               int parent_host_id);
  49   void OnSelectCacheForSharedWorker(int host_id, int64 appcache_id);
  50   void OnMarkAsForeignEntry(int host_id, const GURL& document_url,
  51                             int64 cache_document_was_loaded_from);
  52   void OnGetStatus(int host_id, IPC::Message* reply_msg);
  53   void OnStartUpdate(int host_id, IPC::Message* reply_msg);
  54   void OnSwapCache(int host_id, IPC::Message* reply_msg);
  55   void OnGetResourceList(
  56       int host_id,
  57       std::vector<appcache::AppCacheResourceInfo>* resource_infos);
  58   void GetStatusCallback(appcache::Status status, void* param);
  59   void StartUpdateCallback(bool result, void* param);
  60   void SwapCacheCallback(bool result, void* param);
  61
  62
  63   scoped_refptr<ChromeAppCacheService> appcache_service_;
  64   AppCacheFrontendProxy frontend_proxy_;
  65   appcache::AppCacheBackendImpl backend_impl_;
  66
  67   appcache::GetStatusCallback get_status_callback_;
  68   appcache::StartUpdateCallback start_update_callback_;
  69   appcache::SwapCacheCallback swap_cache_callback_;
  70   scoped_ptr<IPC::Message> pending_reply_msg_;
  71
  72   // The corresponding ChildProcessHost object's id().
  73   int process_id_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(AppCacheDispatcherHost);
  76 };
  77
  78 }  // namespace content
  79
  80 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_DISPATCHER_HOST_H_