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diff --git a/src/contents/ui/FileHandler.qml b/src/contents/ui/FileHandler.qml
index 018bd58..af34c22 100644
--- a/src/contents/ui/FileHandler.qml
+++ b/src/contents/ui/FileHandler.qml
@@ -1,154 +1,155 @@
/*
* This file is part of kazv.
* SPDX-FileCopyrightText: 2023 nannanko <nannanko@kazv.moe>
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
import moe.kazv.mxc.kazv 0.0 as MK
import QtQml 2.15
import QtQuick 2.15
/**
* Used to handle files described in event, such as caching(if autoCache is true) and download.
* It is either used for caching or downloading. These two operations cannot be performed in the same FileHandler.
*/
QtObject {
id: fileHandler
required property var eventContent
/**
* If autoCache is true, the file is automatically cached(thumbnail is downloaded if exists).
*/
required property bool autoCache
required property var kazvIOManager
required property var matrixSdk
/**
* Used to download or caching.
* mxcUri, sha256, key, iv will be setted automatically
* according to whether the file is encrypted or not.
*/
property var mxcUri: ""
property var url: mxcUri ? fileHandler.matrixSdk.mxcUriToHttp(fileHandler.mxcUri) : ""
property var mediaId: mxcUri && fileHandler.getMediaId(fileHandler.mxcUri)
property var sha256: ""
property var key: ""
property var iv: ""
property var kazvIOJob
property real percent: fileHandler.kazvIOJob ? fileHandler.kazvIOJob.progress : 0.0 // from 0 to 1
property var result
property bool success: fileHandler.result == MK.KazvIOBaseJob.NoError
/**
* This attribute is only used after result is set (that is, after signal resultChanged is emitted),
* and only when success is true, this attribute has a correct and valid value.
*/
property url cachedFile
property var fileInfo: "info" in eventContent ? eventContent.info : {}
property var encryptedFile: "file" in eventContent ? eventContent.file : {}
property var encryptedFileMxcUri: "url" in encryptedFile ? encryptedFile.url : ""
property var encryptedFileSha256: "hashes" in encryptedFile && "sha256" in encryptedFile.hashes ? encryptedFile.hashes.sha256 : ""
// property var encryptedFileAlg: "key" in encryptedFile && "alg" in encryptedFile.key ? encryptedFile.key.alg : ""
property var encryptedFileKey: "key" in encryptedFile && "k" in encryptedFile.key ? encryptedFile.key.k : ""
property var encryptedFileIv: "iv" in encryptedFile ? encryptedFile.iv : ""
property var encryptedThumbnail: "thumbnail_file" in fileInfo ? fileInfo.thumbnail_file : {}
property var encryptedThumbnailMxcUri: "url" in encryptedThumbnail ? encryptedThumbnail.url : ""
property var encryptedThumbnailSha256: "hashes" in encryptedThumbnail && "sha256" in encryptedThumbnail.hashes ? encryptedThumbnail.hashes.sha256 : ""
// property var encryptedFileAlg: "key" in encryptedThumbnail && "alg" in encryptedThumbnail.key ? encryptedThumbnail.key.alg : ""
property var encryptedThumbnailKey: "key" in encryptedThumbnail && "k" in encryptedThumbnail.key ? encryptedThumbnail.key.k : ""
property var encryptedThumbnailIv: "iv" in encryptedThumbnail ? encryptedThumbnail.iv : ""
property var unencryptedFileMxcUri: "url" in eventContent ? eventContent.url : ""
property var unencryptedThumbnailMxcUri: "thumbnail_url" in fileInfo ? fileInfo.thumbnail_url : ""
/**
* Emit when start download, not emit when start cache.
* Can be used to indicate progress bar visible
*/
signal startDownload
function getMediaId(mxcUri) {
const temp = mxcUri.toString().split('/')
return temp[2] + '_' + temp[3]
}
function downloadFile(saveFileUrl) {
fileHandler.kazvIOManager.startNewDownloadJob(fileHandler.url,saveFileUrl,
fileHandler.mediaId,
fileHandler.sha256,
fileHandler.key,
fileHandler.iv)
fileHandler.updateKazvIOJob(fileHandler.mediaId)
fileHandler.startDownload()
}
function cacheFile() {
fileHandler.cachedFile = fileHandler.kazvIOManager.cacheFile(fileHandler.url,
fileHandler.mediaId,
fileHandler.sha256,
fileHandler.key,
fileHandler.iv)
fileHandler.updateKazvIOJob(fileHandler.mediaId)
}
function updateKazvIOJob(mediaId) {
+ fileHandler.kazvIOJob = null
fileHandler.kazvIOJob = fileHandler.kazvIOManager.getDownloadJob(fileHandler.mediaId)
if (kazvIOJob) {
fileHandler.kazvIOJob.result.connect(function (ec) {
fileHandler.result = ec
})
}
}
Component.onCompleted: {
let mxcUri = ""
/**
* Thumbnail will only be downloaded in the cache
**/
if (fileHandler.autoCache) {
// Check if there is an encrypted thumbnail or unencrypted thumbnail
if (encryptedThumbnailMxcUri &&
encryptedThumbnailSha256 &&
encryptedThumbnailKey &&
encryptedThumbnailIv) {
fileHandler.mxcUri = encryptedThumbnailMxcUri
fileHandler.sha256 = encryptedThumbnailSha256
fileHandler.key = encryptedThumbnailKey
fileHandler.iv = encryptedThumbnailIv
} else if (unencryptedThumbnailMxcUri) {
fileHandler.mxcUri = unencryptedThumbnailMxcUri
}
}
// Check if there is an encryted file or unencrypted file
if (encryptedFileMxcUri &&
encryptedFileSha256 &&
encryptedFileKey &&
encryptedFileIv) {
fileHandler.mxcUri = encryptedFileMxcUri
fileHandler.sha256 = encryptedFileSha256
fileHandler.key = encryptedFileKey
fileHandler.iv = encryptedFileIv
} else if (unencryptedFileMxcUri) {
fileHandler.mxcUri = unencryptedFileMxcUri
} else {
// The event content is incorrect or the FileHandler.qml has a bug
return
}
if (fileHandler.autoCache) {
fileHandler.cacheFile()
}
fileHandler.updateKazvIOJob(fileHandler.mediaId)
fileHandler.onSuccessChanged.connect(function () {
fileHandler.kazvIOManager.deleteDownloadJob(mediaId)
})
}
}

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