chrome/utility/profile_import_handler.cc

   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 #include "chrome/utility/profile_import_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/memory/ref_counted.h"
   9 #include "base/message_loop/message_loop_proxy.h"
  10 #include "base/threading/thread.h"
  11 #include "chrome/common/importer/profile_import_process_messages.h"
  12 #include "chrome/utility/importer/external_process_importer_bridge.h"
  13 #include "chrome/utility/importer/importer.h"
  14 #include "chrome/utility/importer/importer_creator.h"
  15 #include "content/public/utility/utility_thread.h"
  16
  17 namespace chrome {
  18
  19 ProfileImportHandler::ProfileImportHandler() : items_to_import_(0) {}
  20
  21 ProfileImportHandler::~ProfileImportHandler() {}
  22
  23 bool ProfileImportHandler::OnMessageReceived(const IPC::Message& message) {
  24   bool handled = true;
  25   IPC_BEGIN_MESSAGE_MAP(ProfileImportHandler, message)
  26     IPC_MESSAGE_HANDLER(ProfileImportProcessMsg_StartImport, OnImportStart)
  27     IPC_MESSAGE_HANDLER(ProfileImportProcessMsg_CancelImport, OnImportCancel)
  28     IPC_MESSAGE_HANDLER(ProfileImportProcessMsg_ReportImportItemFinished,
  29                         OnImportItemFinished)
  30     IPC_MESSAGE_UNHANDLED(handled = false)
  31   IPC_END_MESSAGE_MAP()
  32   return handled;
  33 }
  34
  35 void ProfileImportHandler::OnImportStart(
  36     const importer::SourceProfile& source_profile,
  37     uint16 items,
  38     const base::DictionaryValue& localized_strings) {
  39   bridge_ = new ExternalProcessImporterBridge(
  40       localized_strings,
  41       content::UtilityThread::Get(),
  42       base::MessageLoopProxy::current().get());
  43   importer_ = importer::CreateImporterByType(source_profile.importer_type);
  44   if (!importer_.get()) {
  45     Send(new ProfileImportProcessHostMsg_Import_Finished(
  46         false, "Importer could not be created."));
  47     return;
  48   }
  49
  50   items_to_import_ = items;
  51
  52   // Create worker thread in which importer runs.
  53   import_thread_.reset(new base::Thread("import_thread"));
  54 #if defined(OS_WIN)
  55   import_thread_->init_com_with_mta(false);
  56 #endif
  57   if (!import_thread_->Start()) {
  58     NOTREACHED();
  59     ImporterCleanup();
  60   }
  61   import_thread_->message_loop()->PostTask(
  62       FROM_HERE, base::Bind(&Importer::StartImport, importer_.get(),
  63                             source_profile, items, bridge_));
  64 }
  65
  66 void ProfileImportHandler::OnImportCancel() {
  67   ImporterCleanup();
  68 }
  69
  70 void ProfileImportHandler::OnImportItemFinished(uint16 item) {
  71   items_to_import_ ^= item;  // Remove finished item from mask.
  72   // If we've finished with all items, notify the browser process.
  73   if (items_to_import_ == 0) {
  74     Send(new ProfileImportProcessHostMsg_Import_Finished(true, std::string()));
  75     ImporterCleanup();
  76   }
  77 }
  78
  79 void ProfileImportHandler::ImporterCleanup() {
  80   importer_->Cancel();
  81   importer_ = NULL;
  82   bridge_ = NULL;
  83   import_thread_.reset();
  84   content::UtilityThread::Get()->ReleaseProcessIfNeeded();
  85 }
  86
  87 // static
  88 bool ProfileImportHandler::Send(IPC::Message* message) {
  89   return content::UtilityThread::Get()->Send(message);
  90 }
  91
  92 }  // namespace chrome