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