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