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
17namespace {
18
19bool Send(IPC::Message* message) {
20  return content::UtilityThread::Get()->Send(message);
21}
22
23}  // namespace
24
25ProfileImportHandler::ProfileImportHandler() : items_to_import_(0) {}
26
27ProfileImportHandler::~ProfileImportHandler() {}
28
29bool 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
41void 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::MessageLoopProxy::current().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
72void ProfileImportHandler::OnImportCancel() {
73  ImporterCleanup();
74}
75
76void 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
85void ProfileImportHandler::ImporterCleanup() {
86  importer_->Cancel();
87  importer_ = NULL;
88  bridge_ = NULL;
89  import_thread_.reset();
90  content::UtilityThread::Get()->ReleaseProcessIfNeeded();
91}
92