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      1 // Copyright (c) 2011 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_IMPORTER_PROFILE_IMPORT_PROCESS_HOST_H_
      6 #define CHROME_BROWSER_IMPORTER_PROFILE_IMPORT_PROCESS_HOST_H_
      7 #pragma once
      8 
      9 #include <string>
     10 #include <vector>
     11 
     12 #include "base/basictypes.h"
     13 #include "base/compiler_specific.h"
     14 #include "base/memory/ref_counted.h"
     15 #include "chrome/browser/importer/importer_data_types.h"
     16 #include "chrome/browser/importer/profile_writer.h"
     17 #include "content/browser/browser_child_process_host.h"
     18 #include "content/browser/browser_thread.h"
     19 
     20 class ProfileImportProcessClient;
     21 
     22 namespace webkit_glue {
     23 struct PasswordForm;
     24 }
     25 
     26 // Browser-side host to a profile import process.  This class lives only on
     27 // the IO thread.  It passes messages back to the |thread_id_| thread through
     28 // a client object.
     29 class ProfileImportProcessHost : public BrowserChildProcessHost {
     30  public:
     31   // |import_process_client| implements callbacks which are triggered by
     32   // incoming IPC messages.  This client creates an interface between IPC
     33   // messages received by the ProfileImportProcessHost and the internal
     34   // importer_bridge.
     35   // |thread_id| gives the thread where the client lives. The
     36   // ProfileImportProcessHost spawns tasks on this thread for the client.
     37   ProfileImportProcessHost(ProfileImportProcessClient* import_process_client,
     38                            BrowserThread::ID thread_id);
     39   virtual ~ProfileImportProcessHost();
     40 
     41   // |source_profile|, |items|, and |import_to_bookmark_bar| are all needed by
     42   // the external importer process.
     43   bool StartProfileImportProcess(const importer::SourceProfile& source_profile,
     44                                  uint16 items,
     45                                  bool import_to_bookmark_bar);
     46 
     47   // Cancel the external import process.
     48   bool CancelProfileImportProcess();
     49 
     50   // Report that an item has been successfully imported.  We need to make
     51   // sure that all import messages have come across the wire before the
     52   // external import process shuts itself down.
     53   bool ReportImportItemFinished(importer::ImportItem item);
     54 
     55  protected:
     56   // This method is virtual to be overridden by tests.
     57   virtual FilePath GetProfileImportProcessCmd();
     58 
     59  private:
     60   // Launch the new process.
     61   bool StartProcess();
     62 
     63   // Called by the external importer process to send messages back to the
     64   // ImportProcessClient.
     65   virtual bool OnMessageReceived(const IPC::Message& message);
     66 
     67   // BrowserChildProcessHost:
     68   virtual void OnProcessCrashed(int exit_code) OVERRIDE;
     69   virtual bool CanShutdown() OVERRIDE;
     70 
     71   // Receives messages to be passed back to the importer host.
     72   scoped_refptr<ProfileImportProcessClient> import_process_client_;
     73 
     74   // The thread where the import_process_client_ lives.
     75   BrowserThread::ID thread_id_;
     76 
     77   DISALLOW_COPY_AND_ASSIGN(ProfileImportProcessHost);
     78 };
     79 
     80 #endif  // CHROME_BROWSER_IMPORTER_PROFILE_IMPORT_PROCESS_HOST_H_
     81