content/child/appcache/appcache_dispatcher.h

   1 // Copyright 2013 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_CHILD_APPCACHE_APPCACHE_DISPATCHER_H_
   6 #define CONTENT_CHILD_APPCACHE_APPCACHE_DISPATCHER_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/scoped_ptr.h"
  12 #include "content/child/appcache/appcache_backend_proxy.h"
  13 #include "content/common/appcache_interfaces.h"
  14 #include "ipc/ipc_listener.h"
  15
  16 namespace content {
  17
  18 // Dispatches appcache related messages sent to a child process from the
  19 // main browser process. There is one instance per child process. Messages
  20 // are dispatched on the main child thread. The ChildThread base class
  21 // creates an instance and delegates calls to it.
  22 class AppCacheDispatcher : public IPC::Listener {
  23  public:
  24   AppCacheDispatcher(IPC::Sender* sender,
  25                      AppCacheFrontend* frontend);
  26   ~AppCacheDispatcher() override;
  27
  28   AppCacheBackendProxy* backend_proxy() { return &backend_proxy_; }
  29
  30   // IPC::Listener implementation
  31   bool OnMessageReceived(const IPC::Message& msg) override;
  32
  33  private:
  34   // Ipc message handlers
  35   void OnCacheSelected(int host_id, const AppCacheInfo& info);
  36   void OnStatusChanged(const std::vector<int>& host_ids,
  37                        AppCacheStatus status);
  38   void OnEventRaised(const std::vector<int>& host_ids,
  39                      AppCacheEventID event_id);
  40   void OnProgressEventRaised(const std::vector<int>& host_ids,
  41                              const GURL& url, int num_total, int num_complete);
  42   void OnErrorEventRaised(const std::vector<int>& host_ids,
  43                           const AppCacheErrorDetails& details);
  44   void OnLogMessage(int host_id, int log_level, const std::string& message);
  45   void OnContentBlocked(int host_id, const GURL& manifest_url);
  46
  47   AppCacheBackendProxy backend_proxy_;
  48   scoped_ptr<AppCacheFrontend> frontend_;
  49 };
  50
  51 }  // namespace content
  52
  53 #endif  // CONTENT_CHILD_APPCACHE_APPCACHE_DISPATCHER_H_