Add web page preview

This commit is contained in:
Sebastian J. Wolf 2020-08-29 15:51:48 +02:00
parent b447d2bd24
commit 6c269780b2
3 changed files with 165 additions and 0 deletions

View file

@ -27,6 +27,7 @@ DISTFILES += qml/harbour-fernschreiber.qml \
qml/components/DocumentPreview.qml \
qml/components/ImagePreview.qml \
qml/components/InReplyToRow.qml \
qml/components/WebPagePreview.qml \
qml/js/functions.js \
qml/pages/ChatPage.qml \
qml/pages/CoverPage.qml \

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@ -0,0 +1,157 @@
/*
Copyright (C) 2020 Sebastian J. Wolf
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 2.5
import QtGraphicalEffects 1.0
import Sailfish.Silica 1.0
import "../components"
import "../js/twemoji.js" as Emoji
import "../js/functions.js" as Functions
Column {
id: webPagePreviewColumn
property variant webPageData;
property variant pictureFileInformation;
property bool hasImage: false;
spacing: Theme.paddingSmall
Component.onCompleted: {
updateWebPage();
}
function updateWebPage() {
if (typeof webPageData === "object") {
if (typeof webPageData.photo !== "undefined") {
hasImage = true;
// Check first which size fits best...
for (var i = 0; i < webPageData.photo.sizes.length; i++) {
pictureFileInformation = webPageData.photo.sizes[i].photo;
if (webPageData.photo.sizes[i].width >= webPagePreviewColumn.width) {
break;
}
}
}
if (pictureFileInformation.local.is_downloading_completed) {
singleImage.source = pictureFileInformation.local.path;
} else {
tdLibWrapper.downloadFile(pictureFileInformation.id);
}
}
}
Connections {
target: tdLibWrapper
onFileUpdated: {
if (typeof pictureFileInformation !== "undefined" && fileId === pictureFileInformation.id) {
if (fileInformation.local.is_downloading_completed) {
pictureFileInformation = fileInformation;
singleImage.source = fileInformation.local.path;
}
}
}
}
Text {
id: siteNameText
width: parent.width
text: Emoji.emojify(webPageData.site_name, font.pixelSize)
font.pixelSize: Theme.fontSizeExtraSmall
font.bold: true
color: Theme.secondaryHighlightColor
elide: Text.ElideRight
maximumLineCount: 1
textFormat: Text.StyledText
visible: (text !== "")
}
Text {
id: titleText
width: parent.width
text: Emoji.emojify(webPageData.title, font.pixelSize)
font.pixelSize: Theme.fontSizeExtraSmall
font.bold: true
color: Theme.primaryColor
elide: Text.ElideRight
wrapMode: Text.Wrap
maximumLineCount: 2
textFormat: Text.StyledText
visible: (text !== "")
}
Text {
id: descriptionText
width: parent.width
text: Emoji.emojify(webPageData.description, font.pixelSize)
font.pixelSize: Theme.fontSizeExtraSmall
color: Theme.primaryColor
elide: Text.ElideRight
wrapMode: Text.Wrap
maximumLineCount: 3
textFormat: Text.StyledText
visible: (text !== "")
}
Item {
id: webPagePreviewImageItem
width: parent.width
height: width * 2 / 3
visible: hasImage
Image {
id: singleImage
width: parent.width - Theme.paddingSmall
height: parent.height - Theme.paddingSmall
anchors.centerIn: parent
fillMode: Image.PreserveAspectCrop
autoTransform: true
asynchronous: true
visible: hasImage && status === Image.Ready
opacity: hasImage && status === Image.Ready ? 1 : 0
Behavior on opacity { NumberAnimation {} }
MouseArea {
anchors.fill: parent
onClicked: {
pageStack.push(Qt.resolvedUrl("../pages/ImagePage.qml"), { "photoData" : webPageData.photo, "pictureFileInformation" : pictureFileInformation });
}
}
}
Image {
id: imageLoadingBackgroundImage
source: "../../images/background" + ( Theme.colorScheme ? "-black" : "-white" ) + ".png"
anchors {
centerIn: parent
}
width: parent.width - Theme.paddingMedium
height: parent.height - Theme.paddingMedium
visible: hasImage && singleImage.status !== Image.Ready
fillMode: Image.PreserveAspectFit
opacity: 0.15
}
}
}

View file

@ -387,6 +387,13 @@ Page {
visible: (text !== "")
}
WebPagePreview {
id: webPagePreview
webPageData: ( typeof display.content.web_page !== "undefined" ) ? display.content.web_page : ""
width: parent.width
visible: typeof display.content.web_page !== "undefined"
}
ImagePreview {
id: messageImagePreview
photoData: ( display.content['@type'] === "messagePhoto" ) ? display.content.photo : ""