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_BROWSER_SEARCH_ENGINES_SEARCH_PROVIDER_INSTALL_STATE_MESSAGE_FILTER_H_ 6 #define CHROME_BROWSER_SEARCH_ENGINES_SEARCH_PROVIDER_INSTALL_STATE_MESSAGE_FILTER_H_ 7 8 #include "base/memory/weak_ptr.h" 9 #include "chrome/browser/search_engines/search_provider_install_data.h" 10 #include "chrome/common/search_provider.h" 11 #include "content/public/browser/browser_message_filter.h" 12 13 class GURL; 14 class Profile; 15 16 // Handles messages regarding search provider install state on the I/O thread. 17 class SearchProviderInstallStateMessageFilter 18 : public content::BrowserMessageFilter { 19 public: 20 // Unlike the other methods, the constructor must be called on the UI thread. 21 SearchProviderInstallStateMessageFilter(int render_process_id, 22 Profile* profile); 23 24 // content::BrowserMessageFilter implementation. 25 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 26 27 private: 28 virtual ~SearchProviderInstallStateMessageFilter(); 29 30 // Figures out the install state for the search provider. 31 search_provider::InstallState GetSearchProviderInstallState( 32 const GURL& page_location, 33 const GURL& requested_host); 34 35 // Starts handling the message requesting the search provider install state. 36 void OnGetSearchProviderInstallState(const GURL& page_location, 37 const GURL& requested_host, 38 IPC::Message* reply_msg); 39 40 // Sends the reply message about the search provider install state. 41 void ReplyWithProviderInstallState(const GURL& page_location, 42 const GURL& requested_host, 43 IPC::Message* reply_msg); 44 45 // Used to do a load and get information about install states. 46 SearchProviderInstallData provider_data_; 47 48 // Copied from the profile since the profile can't be accessed on the I/O 49 // thread. 50 const bool is_off_the_record_; 51 52 // Used to schedule invocations of ReplyWithProviderInstallState. 53 base::WeakPtrFactory<SearchProviderInstallStateMessageFilter> weak_factory_; 54 55 DISALLOW_COPY_AND_ASSIGN(SearchProviderInstallStateMessageFilter); 56 }; 57 58 #endif // CHROME_BROWSER_SEARCH_ENGINES_SEARCH_PROVIDER_INSTALL_STATE_MESSAGE_FILTER_H_ 59