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