1 // Copyright (c) 2011 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/user_image_screen.h" 6 7 #include "base/compiler_specific.h" 8 #include "chrome/browser/chromeos/login/default_user_images.h" 9 #include "chrome/browser/chromeos/login/login_utils.h" 10 #include "chrome/browser/chromeos/login/screen_observer.h" 11 #include "chrome/browser/chromeos/login/user_image_view.h" 12 #include "chrome/browser/chromeos/login/user_manager.h" 13 #include "content/common/notification_service.h" 14 #include "content/common/notification_type.h" 15 #include "grit/theme_resources.h" 16 #include "ui/base/resource/resource_bundle.h" 17 18 namespace chromeos { 19 20 namespace { 21 22 // The resolution of the picture we want to get from the camera. 23 const int kFrameWidth = 480; 24 const int kFrameHeight = 480; 25 26 } // namespace 27 UserImageScreen(WizardScreenDelegate * delegate)28UserImageScreen::UserImageScreen(WizardScreenDelegate* delegate) 29 : ViewScreen<UserImageView>(delegate), 30 camera_controller_(this) { 31 camera_controller_.set_frame_width(kFrameWidth); 32 camera_controller_.set_frame_height(kFrameHeight); 33 registrar_.Add( 34 this, 35 NotificationType::SCREEN_LOCK_STATE_CHANGED, 36 NotificationService::AllSources()); 37 } 38 ~UserImageScreen()39UserImageScreen::~UserImageScreen() { 40 } 41 Refresh()42void UserImageScreen::Refresh() { 43 DCHECK(view()); 44 UserManager* user_manager = UserManager::Get(); 45 std::string logged_in_user = user_manager->logged_in_user().email(); 46 view()->OnImageSelected( 47 user_manager->GetUserDefaultImageIndex(logged_in_user)); 48 } 49 Hide()50void UserImageScreen::Hide() { 51 camera_controller_.Stop(); 52 ViewScreen<UserImageView>::Hide(); 53 } 54 AllocateView()55UserImageView* UserImageScreen::AllocateView() { 56 return new UserImageView(this); 57 } 58 StartCamera()59void UserImageScreen::StartCamera() { 60 DCHECK(view()); 61 view()->ShowCameraInitializing(); 62 camera_controller_.Start(); 63 } 64 StopCamera()65void UserImageScreen::StopCamera() { 66 camera_controller_.Stop(); 67 } 68 OnCaptureSuccess()69void UserImageScreen::OnCaptureSuccess() { 70 DCHECK(view()); 71 SkBitmap frame; 72 camera_controller_.GetFrame(&frame); 73 if (!frame.isNull()) 74 view()->UpdateVideoFrame(frame); 75 } 76 OnCaptureFailure()77void UserImageScreen::OnCaptureFailure() { 78 DCHECK(view()); 79 view()->ShowCameraError(); 80 } 81 OnPhotoTaken(const SkBitmap & image)82void UserImageScreen::OnPhotoTaken(const SkBitmap& image) { 83 camera_controller_.Stop(); 84 85 UserManager* user_manager = UserManager::Get(); 86 DCHECK(user_manager); 87 88 const UserManager::User& user = user_manager->logged_in_user(); 89 DCHECK(!user.email().empty()); 90 91 user_manager->SetLoggedInUserImage(image); 92 user_manager->SaveUserImage(user.email(), image); 93 if (delegate()) 94 delegate()->GetObserver(this)->OnExit(ScreenObserver::USER_IMAGE_SELECTED); 95 } 96 OnDefaultImageSelected(int index)97void UserImageScreen::OnDefaultImageSelected(int index) { 98 camera_controller_.Stop(); 99 100 UserManager* user_manager = UserManager::Get(); 101 DCHECK(user_manager); 102 103 const UserManager::User& user = user_manager->logged_in_user(); 104 DCHECK(!user.email().empty()); 105 106 const SkBitmap* image = ResourceBundle::GetSharedInstance().GetBitmapNamed( 107 kDefaultImageResources[index]); 108 user_manager->SetLoggedInUserImage(*image); 109 user_manager->SaveUserImagePath( 110 user.email(), 111 GetDefaultImagePath(static_cast<size_t>(index))); 112 if (delegate()) 113 delegate()->GetObserver(this)->OnExit(ScreenObserver::USER_IMAGE_SELECTED); 114 } 115 Observe(NotificationType type,const NotificationSource & source,const NotificationDetails & details)116void UserImageScreen::Observe(NotificationType type, 117 const NotificationSource& source, 118 const NotificationDetails& details) { 119 if (type != NotificationType::SCREEN_LOCK_STATE_CHANGED) 120 return; 121 122 bool is_screen_locked = *Details<bool>(details).ptr(); 123 if (is_screen_locked) 124 StopCamera(); 125 else if (view()->IsCapturing()) 126 StartCamera(); 127 } 128 129 } // namespace chromeos 130 131