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,
  32                                  bool* message_was_ok) OVERRIDE;
  33
  34  protected:
  35   virtual ~AppCacheDispatcherHost();
  36
  37   // BrowserMessageFilter override.
  38   virtual void BadMessageReceived() OVERRIDE;
  39
  40  private:
  41   // IPC message handlers
  42   void OnRegisterHost(int host_id);
  43   void OnUnregisterHost(int host_id);
  44   void OnSetSpawningHostId(int host_id, int spawning_host_id);
  45   void OnSelectCache(int host_id, const GURL& document_url,
  46                      int64 cache_document_was_loaded_from,
  47                      const GURL& opt_manifest_url);
  48   void OnSelectCacheForWorker(int host_id, int parent_process_id,
  49                               int parent_host_id);
  50   void OnSelectCacheForSharedWorker(int host_id, int64 appcache_id);
  51   void OnMarkAsForeignEntry(int host_id, const GURL& document_url,
  52                             int64 cache_document_was_loaded_from);
  53   void OnGetStatus(int host_id, IPC::Message* reply_msg);
  54   void OnStartUpdate(int host_id, IPC::Message* reply_msg);
  55   void OnSwapCache(int host_id, IPC::Message* reply_msg);
  56   void OnGetResourceList(
  57       int host_id,
  58       std::vector<appcache::AppCacheResourceInfo>* resource_infos);
  59   void GetStatusCallback(appcache::Status status, void* param);
  60   void StartUpdateCallback(bool result, void* param);
  61   void SwapCacheCallback(bool result, void* param);
  62
  63
  64   scoped_refptr<ChromeAppCacheService> appcache_service_;
  65   AppCacheFrontendProxy frontend_proxy_;
  66   appcache::AppCacheBackendImpl backend_impl_;
  67
  68   appcache::GetStatusCallback get_status_callback_;
  69   appcache::StartUpdateCallback start_update_callback_;
  70   appcache::SwapCacheCallback swap_cache_callback_;
  71   scoped_ptr<IPC::Message> pending_reply_msg_;
  72
  73   // The corresponding ChildProcessHost object's id().
  74   int process_id_;
  75
  76   DISALLOW_COPY_AND_ASSIGN(AppCacheDispatcherHost);
  77 };
  78
  79 }  // namespace content
  80
  81 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_DISPATCHER_HOST_H_