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