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/location.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/single_thread_task_runner.h"
  11 #include "base/thread_task_runner_handle.h"
  12 #include "base/threading/thread.h"
  13 #include "chrome/common/importer/profile_import_process_messages.h"
  14 #include "chrome/utility/importer/external_process_importer_bridge.h"
  15 #include "chrome/utility/importer/importer.h"
  16 #include "chrome/utility/importer/importer_creator.h"
  17 #include "content/public/utility/utility_thread.h"
  18
  19 namespace {
  20
  21 bool Send(IPC::Message* message) {
  22   return content::UtilityThread::Get()->Send(message);
  23 }
  24
  25 }  // namespace
  26
  27 ProfileImportHandler::ProfileImportHandler() : items_to_import_(0) {}
  28
  29 ProfileImportHandler::~ProfileImportHandler() {}
  30
  31 bool ProfileImportHandler::OnMessageReceived(const IPC::Message& message) {
  32   bool handled = true;
  33   IPC_BEGIN_MESSAGE_MAP(ProfileImportHandler, message)
  34     IPC_MESSAGE_HANDLER(ProfileImportProcessMsg_StartImport, OnImportStart)
  35     IPC_MESSAGE_HANDLER(ProfileImportProcessMsg_CancelImport, OnImportCancel)
  36     IPC_MESSAGE_HANDLER(ProfileImportProcessMsg_ReportImportItemFinished,
  37                         OnImportItemFinished)
  38     IPC_MESSAGE_UNHANDLED(handled = false)
  39   IPC_END_MESSAGE_MAP()
  40   return handled;
  41 }
  42
  43 void ProfileImportHandler::OnImportStart(
  44     const importer::SourceProfile& source_profile,
  45     uint16 items,
  46     const base::DictionaryValue& localized_strings) {
  47   bridge_ = new ExternalProcessImporterBridge(
  48       localized_strings,
  49       content::UtilityThread::Get(),
  50       base::ThreadTaskRunnerHandle::Get().get());
  51   importer_ = importer::CreateImporterByType(source_profile.importer_type);
  52   if (!importer_.get()) {
  53     Send(new ProfileImportProcessHostMsg_Import_Finished(
  54         false, "Importer could not be created."));
  55     return;
  56   }
  57
  58   items_to_import_ = items;
  59
  60   // Create worker thread in which importer runs.
  61   import_thread_.reset(new base::Thread("import_thread"));
  62 #if defined(OS_WIN)
  63   import_thread_->init_com_with_mta(false);
  64 #endif
  65   if (!import_thread_->Start()) {
  66     NOTREACHED();
  67     ImporterCleanup();
  68   }
  69   import_thread_->task_runner()->PostTask(
  70       FROM_HERE, base::Bind(&Importer::StartImport, importer_.get(),
  71                             source_profile, items, bridge_));
  72 }
  73
  74 void ProfileImportHandler::OnImportCancel() {
  75   ImporterCleanup();
  76 }
  77
  78 void ProfileImportHandler::OnImportItemFinished(uint16 item) {
  79   items_to_import_ ^= item;  // Remove finished item from mask.
  80   // If we've finished with all items, notify the browser process.
  81   if (items_to_import_ == 0) {
  82     Send(new ProfileImportProcessHostMsg_Import_Finished(true, std::string()));
  83     ImporterCleanup();
  84   }
  85 }
  86
  87 void ProfileImportHandler::ImporterCleanup() {
  88   importer_->Cancel();
  89   importer_ = NULL;
  90   bridge_ = NULL;
  91   import_thread_.reset();
  92   content::UtilityThread::Get()->ReleaseProcessIfNeeded();
  93 }