harbour-fernschreiber/qml/components/messageContent/MessagePhoto.qml

85 lines
2.7 KiB
QML

/*
Copyright (C) 2020 Sebastian J. Wolf and other contributors
This file is part of Fernschreiber.
Fernschreiber is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Fernschreiber is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fernschreiber. If not, see <http://www.gnu.org/licenses/>.
*/
import QtQuick 2.6
import Sailfish.Silica 1.0
import WerkWolf.Fernschreiber 1.0
import "../"
MessageContentBase {
id: imagePreviewItem
readonly property int defaultHeight: Math.round(width * 2 / 3)
height: singleImage.visible ? Math.min(defaultHeight, singleImage.bestHeight + Theme.paddingSmall) : defaultHeight
onClicked: {
pageStack.push(Qt.resolvedUrl("../pages/ImagePage.qml"), {
"photoData" : imagePreviewItem.rawMessage.content.photo
})
}
Component.onCompleted: updateImage()
onRawMessageChanged: updateImage()
function updateImage() {
if (rawMessage.content.photo) {
// Check first which size fits best...
var photo
var photoData = rawMessage.content.photo
for (var i = 0; i < photoData.sizes.length; i++) {
photo = photoData.sizes[i].photo
if (photoData.sizes[i].width >= imagePreviewItem.width) {
break
}
}
if (photo) {
imageFile.fileInformation = photo
}
}
}
TDLibFile {
id: imageFile
tdlib: tdLibWrapper
autoLoad: true
}
Image {
id: singleImage
width: parent.width - Theme.paddingSmall
height: parent.height - Theme.paddingSmall
readonly property int bestHeight: (status === Image.Ready) ? Math.round(implicitHeight * width / implicitWidth) : 0
anchors.centerIn: parent
fillMode: Image.PreserveAspectCrop
autoTransform: true
asynchronous: true
source: imageFile.isDownloadingCompleted ? imageFile.path : ""
visible: status === Image.Ready
opacity: visible ? 1 : 0
Behavior on opacity { FadeAnimation {} }
layer.enabled: imagePreviewItem.highlighted
layer.effect: PressEffect { source: singleImage }
}
BackgroundImage {
visible: singleImage.status !== Image.Ready
}
}