nheko/resources/qml/delegates/ImageMessage.qml

import QtQuick 2.6
import im.nheko 1.0

Item {
    property double tempWidth: Math.min(parent ? parent.width : undefined, model.data.width < 1 ? parent.width : model.data.width)
    property double tempHeight: tempWidth * model.data.proportionalHeight
    property double divisor: model.isReply ? 4 : 2
    property bool tooHigh: tempHeight > timelineRoot.height / divisor

    height: Math.round(tooHigh ? timelineRoot.height / divisor : tempHeight)
    width: Math.round(tooHigh ? (timelineRoot.height / divisor) / model.data.proportionalHeight : tempWidth)

    Image {
        id: blurhash

        anchors.fill: parent
        visible: img.status != Image.Ready
        source: model.data.blurhash ? ("image://blurhash/" + model.data.blurhash) : ("image://colorimage/:/icons/icons/ui/do-not-disturb-rounded-sign@2x.png?" + colors.buttonText)
        asynchronous: true
        fillMode: Image.PreserveAspectFit
        sourceSize.width: parent.width
        sourceSize.height: parent.height
    }

    Image {
        id: img

        anchors.fill: parent
        source: model.data.url.replace("mxc://", "image://MxcImage/")
        asynchronous: true
        fillMode: Image.PreserveAspectFit

        MouseArea {
            enabled: model.data.type == MtxEvent.ImageMessage && img.status == Image.Ready
            anchors.fill: parent
            onClicked: TimelineManager.openImageOverlay(model.data.url, model.data.id)
        }

    }

}