mainwindow.qml Example File

 /****************************************************************************
 **
 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the Qt Components project.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 import QtQuick 1.1
 import com.nokia.symbian 1.1
 import MediaKeysObserver 1.0
 import "Storage.js" as Storage

 Window {
     id: mainwindow

     property Item musicPickerPage

     Player {
         id: player
         onPlaylistLoaded: {
             if (player.playlistModel.count == 0) {
                 pageStack.clear()
                 pageStack.push([controlPage, playlistPage, musicPickerPage])
             }
         }
         Component.onCompleted: {
             Storage.initialize()

             Storage.getPlaylist(playlist)
             playlistLoaded()

             var res = Storage.getSetting("volume")
             if (res != "Unknown")
                 volume = parseFloat(res)

             res = Storage.getSetting("repeat")
             if (res != "Unknown")
                 repeat = res == "true"

             res = Storage.getSetting("shuffle")
             if (res != "Unknown")
                 shuffle = res == "true"

             res = Storage.getSetting("index")
             if (res != "Unknown") {
                 index = parseInt(res)
                 refreshSong()
             }
         }

         Component.onDestruction: {
             Storage.setSetting("volume", volume)
             Storage.setSetting("repeat", repeat)
             Storage.setSetting("shuffle", shuffle)
             Storage.setSetting("index", index)
             Storage.setPlaylist(playlist)
         }

         MediaKeysObserver {
             id: mediakeysobserver

             property int key

             onMediaKeyClicked: {
                 switch (key) {
                 case MediaKeysObserver.EVolIncKey:
                     audio.volume += 0.1
                     break

                 case MediaKeysObserver.EVolDecKey:
                     audio.volume -= 0.1
                     break

                 case MediaKeysObserver.EStopKey:
                     stop()
                     break

                 case MediaKeysObserver.EBackwardKey:
                     previous()
                     break

                 case MediaKeysObserver.EForwardKey:
                     next()
                     break

                 case MediaKeysObserver.EPlayPauseKey:
                     if (playing)
                         pause()
                     else
                         play()

                     break
                 }
             }

             onMediaKeyPressed: {
                 mediakeysobserver.key = key
                 timer.start()
             }

             onMediaKeyReleased: {
                 timer.stop()
             }
         }

         Timer {
             id: timer
             interval: 300
             repeat: true
             onTriggered: {
                 switch (mediakeysobserver.key) {
                 case MediaKeysObserver.EVolIncKey:
                     player.volume += 0.1
                     break

                 case MediaKeysObserver.EVolDecKey:
                     player.volume -= 0.1
                     break
                 }
             }
         }
     }

     StatusBar {id: statusbar}

     PageStack {
         id: pageStack

         anchors.top: statusbar.bottom
         anchors.left: parent.left
         anchors.right: parent.right
         anchors.bottom: toolbar.top
         toolBar: toolbar

         ControlsPage {
             id: controlPage

             playlistVisible:  !inPortrait
             backgroundImage: inPortrait ?  "qrc:///qml/images/bg_prt.png" : "qrc:///qml/images/bg_lsc.png"
         }

         PlaylistPage {
             id: playlistPage
             backgroundImage: inPortrait ?  "qrc:///qml/images/bg_prt.png" : "qrc:///qml/images/bg_lsc.png"
         }

     }

     ToolBar {
         id: toolbar

         anchors.bottom: parent.bottom
         anchors.left: parent.left
         anchors.right: parent.right
     }

     //Set the image manually as there is no binding to musicPickerPage created
     //dynamically below
     onInPortraitChanged:{
         if (musicPickerPage)
             musicPickerPage.backgroundImage = inPortrait ?  "qrc:///qml/images/bg_prt.png" : "qrc:///qml/images/bg_lsc.png"
     }

     Component.onCompleted: {
         // Create the musicPickerPage depending on document gallery support
         var musicPicker = documentGallery ? "GalleryPage.qml" : "FilePickerPage.qml"
         var musicPickerComponent = Qt.createComponent(musicPicker);
         musicPickerPage = musicPickerComponent.createObject(pageStack)
         musicPickerPage.backgroundImage = inPortrait ?  "qrc:///qml/images/bg_prt.png" : "qrc:///qml/images/bg_lsc.png"
         pageStack.push(controlPage)
     }
 }