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      1 // Copyright 2014 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/browser/chromeos/login/demo_mode/demo_app_launcher.h"
      6 
      7 #include "base/command_line.h"
      8 #include "base/files/file_path.h"
      9 #include "base/logging.h"
     10 #include "chrome/browser/chromeos/app_mode/app_session_lifetime.h"
     11 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
     12 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
     13 #include "chrome/browser/chromeos/login/users/user_manager.h"
     14 #include "chrome/browser/extensions/component_loader.h"
     15 #include "chrome/browser/extensions/extension_service.h"
     16 #include "chrome/browser/lifetime/application_lifetime.h"
     17 #include "chrome/browser/profiles/profile.h"
     18 #include "chrome/browser/ui/extensions/application_launch.h"
     19 #include "chrome/common/chrome_switches.h"
     20 #include "chrome/common/extensions/extension_constants.h"
     21 #include "chromeos/network/network_handler.h"
     22 #include "chromeos/network/network_state_handler.h"
     23 #include "extensions/browser/extension_system.h"
     24 #include "extensions/common/extension.h"
     25 #include "grit/browser_resources.h"
     26 #include "ui/base/window_open_disposition.h"
     27 
     28 namespace chromeos {
     29 
     30 const char DemoAppLauncher::kDemoUserName[] = "demouser (at) demo.app.local";
     31 const char DemoAppLauncher::kDemoAppId[] = "klimoghijjogocdbaikffefjfcfheiel";
     32 const base::FilePath::CharType kDefaultDemoAppPath[] =
     33     FILE_PATH_LITERAL("/usr/share/chromeos-assets/demo_app");
     34 
     35 // static
     36 base::FilePath* DemoAppLauncher::demo_app_path_ = NULL;
     37 
     38 DemoAppLauncher::DemoAppLauncher() {
     39   if (!demo_app_path_)
     40     demo_app_path_ = new base::FilePath(kDefaultDemoAppPath);
     41 }
     42 
     43 DemoAppLauncher::~DemoAppLauncher() {
     44   delete demo_app_path_;
     45 }
     46 
     47 void DemoAppLauncher::StartDemoAppLaunch() {
     48   DVLOG(1) << "Launching demo app...";
     49   // user_id = DemoAppUserId, force_emphemeral = true, delegate = this.
     50   kiosk_profile_loader_.reset(
     51       new KioskProfileLoader(kDemoUserName, true, this));
     52   kiosk_profile_loader_->Start();
     53 }
     54 
     55 // static
     56 bool DemoAppLauncher::IsDemoAppSession(const std::string& user_id) {
     57   return user_id == kDemoUserName;
     58 }
     59 
     60 // static
     61 void DemoAppLauncher::SetDemoAppPathForTesting(const base::FilePath& path) {
     62   delete demo_app_path_;
     63   demo_app_path_ = new base::FilePath(path);
     64 }
     65 
     66 void DemoAppLauncher::OnProfileLoaded(Profile* profile) {
     67   DVLOG(1) << "Profile loaded... Starting demo app launch.";
     68 
     69   kiosk_profile_loader_.reset();
     70 
     71   // Load our demo app, then launch it.
     72   ExtensionService* extension_service =
     73       extensions::ExtensionSystem::Get(profile)->extension_service();
     74   CHECK(demo_app_path_);
     75   const std::string extension_id = extension_service->component_loader()->Add(
     76       IDR_DEMO_APP_MANIFEST,
     77       *demo_app_path_);
     78 
     79   const extensions::Extension* extension =
     80       extension_service->GetExtensionById(extension_id, true);
     81   if (!extension) {
     82     // We've already done too much setup at this point to just return out, it
     83     // is safer to just restart.
     84     chrome::AttemptUserExit();
     85     return;
     86   }
     87 
     88   // Disable network before launching the app.
     89   LOG(WARNING) << "Disabling network before launching demo app..";
     90   NetworkStateHandler* handler = NetworkHandler::Get()->network_state_handler();
     91   handler->SetTechnologyEnabled(NetworkTypePattern::NonVirtual(),
     92                                 false,
     93                                 chromeos::network_handler::ErrorCallback());
     94 
     95   OpenApplication(AppLaunchParams(
     96       profile, extension, extensions::LAUNCH_CONTAINER_WINDOW, NEW_WINDOW));
     97   InitAppSession(profile, extension_id);
     98 
     99   UserManager::Get()->SessionStarted();
    100 
    101   LoginDisplayHostImpl::default_host()->Finalize();
    102 }
    103 
    104 void DemoAppLauncher::OnProfileLoadFailed(KioskAppLaunchError::Error error) {
    105   LOG(ERROR) << "Loading the Kiosk Profile failed: " <<
    106       KioskAppLaunchError::GetErrorMessage(error);
    107 }
    108 
    109 }  // namespace chromeos
    110