Home | History | Annotate | Download | only in utility 
      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 {
     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::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 
     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 }
     92