69 lines
1.9 KiB
QML
69 lines
1.9 KiB
QML
// SPDX-License-Identifier: LGPL-3.0-or-later
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import QtQuick 2.12
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import "../PythonBridge"
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HImage {
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id: image
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property string mxc
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property string title
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property string sourceOverride: ""
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property bool thumbnail: true
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property var cryptDict: ({})
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property bool show: false
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property string cachedPath: ""
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property Future getFuture: null
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readonly property bool isMxc: mxc.startsWith("mxc://")
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function update() {
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if (! py) return // component was destroyed
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const w = sourceSize.width || width
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const h = sourceSize.height || height
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if (! image.mxc || w < 1 || h < 1 ) {
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show = false
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return
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}
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if (! isMxc) {
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if (source !== mxc) source = mxc
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show = image.visible
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return
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}
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const method = image.thumbnail ? "get_thumbnail" : "get_media"
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const args = image.thumbnail ?
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[image.mxc, image.title, w, h, cryptDict] :
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[image.mxc, image.title, cryptDict]
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getFuture = py.callCoro("media_cache." + method, args, path => {
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if (! image) return
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if (image.cachedPath !== path) image.cachedPath = path
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image.broken = false
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image.show = image.visible
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}, (type, args, error, traceback) => {
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print(`Error retrieving ${mxc} (${title}): ${type} ${args}`)
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if (image) image.broken = true
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},
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)
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}
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source: sourceOverride || (show ? cachedPath : "")
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showProgressBar:
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(isMxc && status === Image.Null) || status === Image.Loading
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onWidthChanged: Qt.callLater(update)
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onHeightChanged: Qt.callLater(update)
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onVisibleChanged: Qt.callLater(update)
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onMxcChanged: Qt.callLater(update)
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Component.onDestruction: if (getFuture) getFuture.cancel()
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}
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