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/****************************************************************************
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Yoann Lopes (yoann.lopes@nokia.com)
**
** This file is part of the MeeSpot project.
** 
** 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
** HOLDER 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
****************************************************************************/


import QtQuick 1.1
import com.meego 1.0
import "UIConstants.js" as UI

Item {
    id: listItem

    signal clicked
    signal pressAndHold
    property alias pressed: mouseArea.pressed
    property alias name: mainText.text
    property alias artistAndAlbum: subText.text
    property alias duration: timing.text
    property alias coverId: coverImage.spotifyId
    property bool highlighted: false
    property bool starred: false
    property bool available: true
    property bool pressAndHoldEnabled: true
    property bool showIndex: false

    property color highlightColor: UI.SPOTIFY_COLOR

    property int titleSize: UI.LIST_TILE_SIZE
    property string titleFont: UI.FONT_FAMILY_BOLD
    property color titleColor: theme.inverted ? UI.LIST_TITLE_COLOR_INVERTED : UI.LIST_TITLE_COLOR

    property int subtitleSize: UI.LIST_SUBTILE_SIZE
    property string subtitleFont: UI.FONT_FAMILY_LIGHT
    property color subtitleColor: theme.inverted ? UI.LIST_SUBTITLE_COLOR_INVERTED : UI.LIST_SUBTITLE_COLOR

    property real backgroundOpacity: 0.0

    height: UI.LIST_ITEM_HEIGHT
    width: parent.width

    SequentialAnimation {
        id: backAnimation
        property bool animEnded: false
        running: mouseArea.pressed && listItem.pressAndHoldEnabled

        ScriptAction { script: backAnimation.animEnded = false }
        PauseAnimation { duration: 200 }
        ParallelAnimation {
            NumberAnimation { target: background; property: "opacity"; to: 0.4; duration: 300 }
            ColorAnimation { target: mainText; property: "color"; to: "black"; duration: 300 }
            ColorAnimation { target: subText; property: "color"; to: "black"; duration: 300 }
            ColorAnimation { target: timing; property: "color"; to: "black"; duration: 300 }
            NumberAnimation { target: iconItem; property: "opacity"; to: 0.2; duration: 300 }
            NumberAnimation { target: coverContainer; property: "opacity"; to: 0.2; duration: 300 }
        }
        PauseAnimation { duration: 100 }
        ScriptAction { script: { backAnimation.animEnded = true; listItem.pressAndHold(); } }
        onRunningChanged: {
            if (!running) {
                coverContainer.opacity = available ? 1.0 : 0.2
                iconItem.opacity = 1.0
                mainText.color = highlighted ? listItem.highlightColor : listItem.titleColor
                subText.color = highlighted ? listItem.highlightColor : listItem.subtitleColor
                timing.color = highlighted ? listItem.highlightColor : listItem.subtitleColor
            }
        }
    }

    onHighlightedChanged: {
        mainText.color = highlighted ? listItem.highlightColor : listItem.titleColor
        subText.color = highlighted ? listItem.highlightColor : listItem.subtitleColor
        timing.color = highlighted ? listItem.highlightColor : listItem.subtitleColor
    }

    Rectangle {
        id: background
        anchors.fill: parent
        // Fill page porders
        anchors.leftMargin: -UI.MARGIN_XLARGE
        anchors.rightMargin: -UI.MARGIN_XLARGE
        opacity: mouseArea.pressed ? 1.0 : backgroundOpacity
        color: "#22FFFFFF"
    }

    Label {
        id: indexText
        anchors.left: parent.left
        anchors.verticalCenter: parent.verticalCenter
        width: listItem.showIndex ? 48 : 0
        text: (index + 1) + ".   "
        font.family: UI.FONT_FAMILY_LIGHT
        font.pixelSize: UI.FONT_SMALL
        horizontalAlignment: Text.AlignRight
        visible: listItem.showIndex
    }

    Rectangle {
        id: coverContainer
        width: coverImage.spotifyId.length > 0 ? 64 : 0; height: width
        anchors.left: indexText.right
        anchors.verticalCenter: parent.verticalCenter
        color: "#202020"
        opacity: listItem.available ? 1.0 : 0.2

        SpotifyImage {
            id: coverImage
            anchors.fill: parent
        }
    }

    Column {
        anchors.left: coverContainer.right
        anchors.leftMargin: coverImage.spotifyId.length > 0 ? UI.MARGIN_XLARGE : 0
        anchors.right: parent.right
        anchors.verticalCenter: parent.verticalCenter
        opacity: listItem.available ? 1.0 : 0.3

        Item {
            height: mainText.height
            anchors.left: parent.left
            anchors.right: parent.right
            Label {
                id: mainText
                anchors.left: parent.left
                anchors.right: iconItem.left
                anchors.rightMargin: UI.MARGIN_XLARGE
                font.family: listItem.titleFont
                font.weight: Font.Bold
                font.pixelSize: listItem.titleSize
                color: highlighted ? listItem.highlightColor : listItem.titleColor
                elide: Text.ElideRight
                Behavior on color { ColorAnimation { duration: 200 } }
            }
            Image {
                id: iconItem
                anchors.right: parent.right
                anchors.bottom: mainText.bottom
                anchors.bottomMargin: 2
                width: 34; height: width
                smooth: true
                visible: listItem.starred
                source: "image://theme/icon-m-toolbar-favorite-mark-white"
            }
        }

        Item {
            height: subText.height
            anchors.left: parent.left
            anchors.right: parent.right
            Label {
                id: subText
                anchors.left: parent.left
                anchors.right: timing.left
                anchors.rightMargin: UI.MARGIN_XLARGE
                font.family: listItem.subtitleFont
                font.pixelSize: listItem.subtitleSize
                font.weight: Font.Light
                color: highlighted ? listItem.highlightColor : listItem.subtitleColor
                elide: Text.ElideRight
                visible: text != ""
                Behavior on color { ColorAnimation { duration: 200 } }
            }
            Label {
                id: timing
                font.family: listItem.subtitleFont
                font.weight: Font.Light
                font.pixelSize: listItem.subtitleSize
                color: highlighted ? listItem.highlightColor : listItem.subtitleColor
                anchors.right: parent.right
                visible: text != ""
                Behavior on color { ColorAnimation { duration: 200 } }
            }
        }
    }

    MouseArea {
        id: mouseArea;
        anchors.fill: parent
        onClicked: {
            if (!backAnimation.animEnded)
                listItem.clicked();
        }
    }
}