1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 #include <hbframeitem.h>

    18 

    19 #include "cxenamespace.h"

    20 #include "cxesettings.h"

    21 #include "cxuiscenemodeview.h"

    22 #include "cxuienums.h"

    23 #include "cxutils.h"

    24 #include "cxuicapturekeyhandler.h"

    25 #include "cxuisettingsinfo.h"

    26 #include "cxeviewfindercontrol.h"

    27 #include "cxecameradevicecontrol.h"

    28 #include "cxuidocumentloader.h"

    29 

    30 using namespace Cxe;

    31 using namespace CxUi;

    32 using namespace CxUiLayout;

    33 using namespace CxUiSettings;

    34 using namespace CxeSettingIds;

    35 

    36 const int CXUI_SCENES_TRANSITION_TIME = 350; // 350 milliseconds

    37 const int CXUI_SCENES_CAMERA_TIMEOUT = 60000; // 60 seconds for the camera hw release timeout

    38 const QString CXUI_SCENES_AUTOMATIC_IMAGE=":/camerax/scene_automatic.png";

    39 const QString CXUI_SCENES_LANDSCAPE_IMAGE=":/camerax/scene_landscape.png";

    40 const QString CXUI_SCENES_CLOSEUP_IMAGE=":/camerax/scene_close-up.png";

    41 const QString CXUI_SCENES_PORTRAIT_IMAGE=":/camerax/scene_portrait.png";

    42 const QString CXUI_SCENES_SPORT_IMAGE=":/camerax/scene_sport.png";

    43 const QString CXUI_SCENES_NIGHT_IMAGE=":/camerax/scene_night.png";

    44 const QString CXUI_SCENES_NIGHT_PORTRAIT_IMAGE=":/camerax/scene_nightportrait.png";

    45 const QString CXUI_SCENES_LOW_LIGHT_IMAGE=":/camerax/scene_lowlight.png";

    46 

    47 

    48 /*!

    49 * Constructor

    50 */

    51 CxuiSceneModeView::CxuiSceneModeView(QGraphicsItem *parent) :

    52     HbView(parent),

    53     mMainWindow(NULL),

    54     mSettingsInfo(NULL),

    55     mEngine(NULL),

    56     mDocumentLoader(NULL),

    57     mCaptureKeyHandler(NULL),

    58 	mScenesBackground(NULL)

    59 {

    60     CX_DEBUG_IN_FUNCTION();

    61 }

    62 

    63 /*!

    64 * Destructor

    65 */

    66 CxuiSceneModeView::~CxuiSceneModeView()

    67 {

    68     CX_DEBUG_ENTER_FUNCTION();

    69     CX_DEBUG_EXIT_FUNCTION();

    70 }

    71 

    72 /*!

    73 * Construct-method handles initialisation tasks for this class. Needs to be called

    74 * before the instance of this class is used.

    75 * @param mainwindow

    76 * @param engine

    77 * @param documentLoader

    78 * @param keyHandler

    79 */

    80 void CxuiSceneModeView::construct(HbMainWindow *mainwindow,

    81                                CxeEngine *engine,

    82                                CxuiDocumentLoader *documentLoader,

    83                                CxuiCaptureKeyHandler *keyHandler)

    84 {

    85     CX_DEBUG_ENTER_FUNCTION();

    86 

    87     mMainWindow = mainwindow;

    88     mDocumentLoader = documentLoader;

    89     mCaptureKeyHandler = keyHandler;

    90     mEngine = engine;

    91     mSettingsInfo = new CxuiSettingsInfo(mEngine);

    92     setContentFullScreen(true);

    93     loadDefaultWidgets();

    94 

    95     mCameraReleaseTimer.setInterval(CXUI_SCENES_CAMERA_TIMEOUT);    

    96     connect(&mCameraReleaseTimer, SIGNAL(timeout()), this, SLOT(releaseCameraHw()), Qt::UniqueConnection);

    97 

    98     CX_DEBUG_EXIT_FUNCTION();

    99 }

   100 

   101 /*!

   102 * Load widgets from DocML.

   103 */

   104 void CxuiSceneModeView::loadDefaultWidgets()

   105 {

   106     CX_DEBUG_ENTER_FUNCTION();

   107     CX_DEBUG_ASSERT(mDocumentLoader);

   108 

   109     QGraphicsWidget *widget = NULL;

   110 

   111     widget = mDocumentLoader->findWidget(SCENE_VIEW_CONTAINER);

   112     mScenesContainer = qobject_cast<HbWidget *> (widget);

   113 

   114     //Now let's retreive the pointer to icon widget

   115     widget = mDocumentLoader->findWidget(SCENE_VIEW_BG_IMAGE);

   116     mScenesBackground = qobject_cast<HbLabel *> (widget);

   117 

   118     widget = mDocumentLoader->findWidget(SCENE_VIEW_BG_IMAGE2);

   119     mScenesBackground2 = qobject_cast<HbLabel *> (widget);

   120 

   121     //Assuming that the automatic scene mode is always the default one

   122     CX_DEBUG(("CxuiSceneModeView::loadDefaultWidgets -> Now setting default image"));

   123     mScenesBackground->setIcon(HbIcon(CXUI_SCENES_AUTOMATIC_IMAGE));

   124 

   125     widget = mDocumentLoader->findWidget(SCENE_VIEW_RADIOBUTTONS);

   126     mScenesList = qobject_cast<CxuiSettingRadioButtonList *> (widget);

   127 

   128     mTransitionAnimation = new QPropertyAnimation(mScenesBackground2, "opacity");

   129     mTransitionAnimation->setDuration(CXUI_SCENES_TRANSITION_TIME);

   130 

   131     createWidgetBackgroundGraphic(mScenesContainer, TRANSPARENT_BACKGROUND_GRAPHIC);

   132 

   133     connectSignals();

   134 

   135     CX_DEBUG_EXIT_FUNCTION();

   136 }

   137 

   138 /*!

   139 * Helper function to connect signals needed in this class.

   140 */

   141 void CxuiSceneModeView::connectSignals()

   142 {

   143     connect(mScenesList, SIGNAL(itemSelected(int)), this, SLOT(handleSceneRadiobuttonPress(int)));

   144     connect(mTransitionAnimation, SIGNAL(finished()), this, SLOT(finishScenesTransition()));

   145 }

   146 

   147 /*!

   148 * Function can be used to create a graphics item and setting it as a background

   149 * item for HbWidget. graphicName refers to system wide graphic name. Given graphic

   150 * can consist of one, three or nine pieces. Nine piece graphics are used by default.

   151 * See HbFrameDrawer documentation for graphic naming.

   152 */

   153 void CxuiSceneModeView::createWidgetBackgroundGraphic(HbWidget *widget,

   154                                                        const QString &graphicName,

   155                                                        HbFrameDrawer::FrameType frameType)

   156 {

   157     if (widget) {

   158         HbFrameDrawer *drawer = new HbFrameDrawer(graphicName, frameType);

   159 

   160         if (drawer) {

   161             HbFrameItem *backgroundItem = new HbFrameItem(drawer, widget);

   162             if (backgroundItem) {

   163                 // set item to fill the whole widget

   164                 backgroundItem->setGeometry(QRectF(QPointF(0, 0), widget->size()));

   165                 backgroundItem->setZValue(0);

   166                 widget->setBackgroundItem(backgroundItem);

   167             }

   168         }

   169     }

   170 }

   171 

   172 /*!

   173 * This public method assumes that the view is already properly constructed

   174 */

   175 void CxuiSceneModeView::loadBackgroundImages()

   176 {

   177      CX_DEBUG_ENTER_FUNCTION();

   178     RadioButtonListParams data;

   179     if (mEngine->mode() == Cxe::ImageMode) {

   180         mSettingsInfo->getSettingsContent(CxeSettingIds::IMAGE_SCENE, data);

   181     } else {

   182         mSettingsInfo->getSettingsContent(CxeSettingIds::VIDEO_SCENE, data);

   183     }

   184     mSettingPairList = data.mSettingPairList;

   185     mScenesList->init(&data);

   186 

   187     if (mScenesBackground) {

   188         QString sceneId;

   189         mEngine->settings().get(data.mSettingId, sceneId);

   190         mScenesBackground->setIcon(HbIcon(backgroundForScene(sceneId)));

   191     } else {

   192         //First time displaying a list

   193         //Assuming that the automatic scene mode is always the default one and is on top of the list

   194         mScenesList->setSelected(0);

   195     }

   196     CX_DEBUG_EXIT_FUNCTION();

   197 }

   198 

   199 /*!

   200 * Handle selecting value in scene list.

   201 */

   202 void CxuiSceneModeView::handleSceneRadiobuttonPress(int index)

   203 {

   204     CX_DEBUG_ENTER_FUNCTION();

   205 

   206     CxUiSettings::SettingItem item = mSettingPairList.at(index);

   207     QString sceneId = item.mValue.toString();

   208     mScenesBackground2->setIcon(HbIcon(backgroundForScene(sceneId)));

   209     startBackgroundTransition();

   210     CX_DEBUG_EXIT_FUNCTION();

   211 }

   212 

   213 

   214 /*!

   215 * Helper method for getting the background graphic name

   216 * for each of the scenes.

   217 */

   218 QString CxuiSceneModeView::backgroundForScene(const QString& sceneId)

   219 {

   220     //!@todo: This mapping should be added to the setting xml.

   221     if (sceneId == CxeSettingIds::IMAGE_SCENE_AUTO) {

   222         return CXUI_SCENES_AUTOMATIC_IMAGE;

   223     } else if (sceneId == CxeSettingIds::IMAGE_SCENE_PORTRAIT) {

   224         return CXUI_SCENES_PORTRAIT_IMAGE;

   225     } else if (sceneId == CxeSettingIds::IMAGE_SCENE_SCENERY) {

   226         return CXUI_SCENES_LANDSCAPE_IMAGE;

   227     } else if (sceneId == CxeSettingIds::IMAGE_SCENE_MACRO) {

   228         return CXUI_SCENES_CLOSEUP_IMAGE;

   229     } else if (sceneId == CxeSettingIds::IMAGE_SCENE_SPORTS) {

   230         return CXUI_SCENES_SPORT_IMAGE;

   231     } else if (sceneId == CxeSettingIds::IMAGE_SCENE_NIGHT) {

   232         return CXUI_SCENES_NIGHT_IMAGE;

   233     } else if (sceneId == CxeSettingIds::IMAGE_SCENE_NIGHTPORTRAIT) {

   234         return CXUI_SCENES_NIGHT_PORTRAIT_IMAGE;

   235     } else if (sceneId == CxeSettingIds::VIDEO_SCENE_AUTO) {

   236         return CXUI_SCENES_AUTOMATIC_IMAGE;

   237     } else if (sceneId == CxeSettingIds::VIDEO_SCENE_LOWLIGHT) {

   238         return CXUI_SCENES_LOW_LIGHT_IMAGE;

   239     } else if (sceneId == CxeSettingIds::VIDEO_SCENE_NIGHT) {

   240         return CXUI_SCENES_NIGHT_IMAGE;

   241     } else {

   242         return "";

   243     }

   244 

   245 }

   246 

   247 /*!

   248 * Start animation for changing the scene background graphic.

   249 */

   250 void CxuiSceneModeView::startBackgroundTransition()

   251 {

   252     mTransitionAnimation->setStartValue(0.0);

   253     mTransitionAnimation->setEndValue(1.0);

   254     mTransitionAnimation->start();

   255 

   256 }

   257 

   258 /*!

   259 * Handle scene background graphic animation finishing.

   260 */

   261 void CxuiSceneModeView::finishScenesTransition()

   262 {

   263     mScenesBackground->setIcon(mScenesBackground2->icon());

   264     mScenesBackground2->setOpacity(0);

   265     mScenesBackground2->setIcon(HbIcon());

   266 }

   267 

   268 /*!

   269 * Handle press of ok button.

   270 */

   271 void CxuiSceneModeView::handleOkButtonPress()

   272 {

   273     CX_DEBUG_ENTER_FUNCTION();

   274     closeView();

   275     CX_DEBUG_EXIT_FUNCTION();

   276 }

   277 

   278 /*!

   279 * Handle press of cancel button.

   280 */

   281 void CxuiSceneModeView::handleCancelButtonPress()

   282 {

   283     CX_DEBUG_ENTER_FUNCTION();

   284     closeView();

   285     CX_DEBUG_EXIT_FUNCTION();

   286 }

   287 

   288 /*!

   289 * This view is about to be shown.

   290 * Update the view to match currently selected scene.

   291 */

   292 void CxuiSceneModeView::showEvent(QShowEvent *event)

   293 {

   294     CX_DEBUG_ENTER_FUNCTION();

   295     mScenesList->scrollTo(mScenesList->currentIndex(), HbAbstractItemView::PositionAtTop);

   296 

   297     mEngine->viewfinderControl().stop();

   298     mCameraReleaseTimer.start();

   299     QGraphicsWidget::showEvent(event);

   300     CX_DEBUG_EXIT_FUNCTION();

   301 }

   302 

   303 /*!

   304 * Slot to handle capture key full press.

   305 */

   306 void CxuiSceneModeView::handleCaptureKeyPressed()

   307 {

   308     CX_DEBUG_ENTER_FUNCTION();

   309     closeView();

   310     CX_DEBUG_EXIT_FUNCTION();

   311 }

   312 

   313 /*!

   314 * Slot to handle capture key half press / autofocus key press.

   315 */

   316 void CxuiSceneModeView::handleAutofocusKeyPressed()

   317 {

   318     CX_DEBUG_ENTER_FUNCTION();

   319     closeView();

   320     CX_DEBUG_EXIT_FUNCTION();

   321 }

   322 

   323 /*!

   324 * Closing the view and reactivating camera hw if needed

   325 */

   326 void CxuiSceneModeView::closeView()

   327 {

   328     CX_DEBUG_ENTER_FUNCTION();

   329     mScenesList->handleSelectionAccepted();

   330     mScenesList->handleClose();

   331     mScenesBackground->setIcon(HbIcon());

   332     // Make sure engine prepares for new image/video if necessary

   333     mEngine->initMode(mEngine->mode());

   334     emit viewCloseEvent();

   335     CX_DEBUG_EXIT_FUNCTION();

   336 }

   337 

   338 /*!

   339 * Slot to handle camera hw release timeout

   340 */

   341 void CxuiSceneModeView::releaseCameraHw()

   342 {

   343     CX_DEBUG_ENTER_FUNCTION();

   344     mCameraReleaseTimer.stop();

   345     mEngine->cameraDeviceControl().release();

   346     CX_DEBUG_EXIT_FUNCTION();

   347 }

   348 

   349 // end of file

   350