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 chrome {
18
19ProfileImportHandler::ProfileImportHandler() : items_to_import_(0) {}
20
21ProfileImportHandler::~ProfileImportHandler() {}
22
23bool 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
35void 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
66void ProfileImportHandler::OnImportCancel() {
67  ImporterCleanup();
68}
69
70void 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
79void ProfileImportHandler::ImporterCleanup() {
80  importer_->Cancel();
81  importer_ = NULL;
82  bridge_ = NULL;
83  import_thread_.reset();
84  content::UtilityThread::Get()->ReleaseProcessIfNeeded();
85}
86
87// static
88bool ProfileImportHandler::Send(IPC::Message* message) {
89  return content::UtilityThread::Get()->Send(message);
90}
91
92}  // namespace chrome
93