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fix: mail printing #13049

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Merged
ChristophWurst merged 1 commit into from
Jun 9, 2026
+91 −61
Merged

fix: mail printing #13049

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14 changes: 13 additions & 1 deletion src/components/MessageHTMLBody.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,7 @@ export default {
isSenderTrusted: this.message.isSenderTrusted,
needsTranslation: false,
enabledFreePrompt: loadState('mail', 'llm_freeprompt_available', false),
printOriginalHeight: null,
}
},

Expand All @@ -115,6 +116,7 @@ export default {

beforeMount() {
scout.on('beforeprint', this.onBeforePrint)
scout.on('afterprint', this.onAfterPrint)
},

async mounted() {
Expand All @@ -131,6 +133,7 @@ export default {

beforeUnmount() {
scout.off('beforeprint', this.onBeforePrint)
scout.off('afterprint', this.onAfterPrint)
this.$refs.iframe.iFrameResizer.close()
},

Expand All @@ -154,7 +157,16 @@ export default {
},

onBeforePrint() {
// this.$refs.iframe.style.setProperty('height', `${this.getIframeDoc().body.scrollHeight}px`, 'important')
const iframe = this.$refs.iframe
this.printOriginalHeight = iframe.style.height
iframe.style.setProperty('height', `${this.getIframeDoc().body.scrollHeight}px`, 'important')
},

onAfterPrint() {
if (this.printOriginalHeight !== null) {
this.$refs.iframe.style.height = this.printOriginalHeight
this.printOriginalHeight = null
}
},

displayIframe() {
Expand Down
138 changes: 78 additions & 60 deletions src/components/Thread.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,20 @@ export default {
return thread[0].subject || this.t('mail', 'No subject')
},

threadParticipants() {
const seen = new Set()
return this.thread.flatMap((envelope) => [
...(envelope.from ?? []),
...(envelope.to ?? []),
]).filter(({ email }) => {
if (seen.has(email)) {
return false
}
seen.add(email)
return true
})
},

showSummaryBox() {
return this.thread.length > 2 && this.enabledThreadSummary && !this.summaryError
},
Expand Down Expand Up @@ -267,81 +281,84 @@ export default {
if ((event.ctrlKey || event.metaKey) && event.key === 'p') {
event.preventDefault()

this.thread.forEach((thread) => {
if (!this.expandedThreads.includes(thread.databaseId)) {
this.expandedThreads.push(thread.databaseId)
}
})
try {
this.thread.forEach((thread) => {
if (!this.expandedThreads.includes(thread.databaseId)) {
this.expandedThreads.push(thread.databaseId)
}
})

while (true) {
if (this.loadedThreads === this.thread.length) {
break
while (true) {
if (this.loadedThreads === this.thread.length) {
break
}
await new Promise((resolve) => setTimeout(resolve, 100))
}
await new Promise((resolve) => setTimeout(resolve, 100))
}

const virtualIframe = document.createElement('iframe')
virtualIframe.style.display = 'none'
document.body.appendChild(virtualIframe)
const virtualIframeDocument = virtualIframe.contentDocument || virtualIframe.contentWindow.document
virtualIframeDocument.open()
virtualIframeDocument.write(`<html><head><title>${t('mail', 'Print')}</title></head><body></body></html>`)
virtualIframeDocument.close()
const virtualIframe = document.createElement('iframe')
virtualIframe.style.position = 'absolute'
document.body.appendChild(virtualIframe)
const virtualIframeDocument = virtualIframe.contentDocument || virtualIframe.contentWindow.document
virtualIframeDocument.open()
virtualIframeDocument.write(`<html><head><title>${t('mail', 'Print')}</title></head><body></body></html>`)
virtualIframeDocument.close()

virtualIframeDocument.body.appendChild(this.addThreadInfo(virtualIframeDocument))
virtualIframeDocument.body.appendChild(this.addThreadInfo(virtualIframeDocument))

const messageContainers = document.querySelectorAll('#message-container')
for (const [index, messageContainer] of messageContainers.entries()) {
const iframe = messageContainer.querySelector('iframe')
const messageContainers = document.querySelectorAll('#message-container')
for (const [index, messageContainer] of messageContainers.entries()) {
const iframe = messageContainer.querySelector('iframe')

this.addMessageInfo(virtualIframeDocument, index)
this.addMessageInfo(virtualIframeDocument, index)

if (!iframe) {
const div = virtualIframeDocument.createElement('div')
div.innerHTML = messageContainer.innerHTML
virtualIframeDocument.body.appendChild(div)
continue
}

if (!iframe) {
if (iframe.contentWindow.document.readyState !== 'complete') {
await new Promise((resolve) => {
iframe.contentWindow.onload = resolve
})
}

const iframeDocument = iframe.contentDocument || iframe.contentWindow.document
const iframeContent = iframeDocument.body.innerHTML
const div = virtualIframeDocument.createElement('div')
div.innerHTML = messageContainer.innerHTML

div.innerHTML = iframeContent
virtualIframeDocument.body.appendChild(div)
continue
}

iframe.setAttribute('data-iframe-size', 'true')
const images = virtualIframeDocument.querySelectorAll('img')
let imagesLoaded = 0

if (!iframe.contentWindow.document.readyState === 'complete') {
await new Promise((resolve) => {
iframe.contentWindow.onload = resolve
images.forEach((img) => {
img.addEventListener('load', () => {
imagesLoaded++
if (imagesLoaded === images.length) {
virtualIframe.contentWindow.print()
this.removeIframe(virtualIframe)
}
})
img.addEventListener('error', () => {
imagesLoaded++
if (imagesLoaded === images.length) {
virtualIframe.contentWindow.print()
this.removeIframe(virtualIframe)
}
})
}

const iframeDocument = iframe.contentDocument || iframe.contentWindow.document
const iframeContent = iframeDocument.body.innerHTML
const div = virtualIframeDocument.createElement('div')

div.innerHTML = iframeContent
virtualIframeDocument.body.appendChild(div)
}

const images = virtualIframeDocument.querySelectorAll('img')
let imagesLoaded = 0

images.forEach((img) => {
img.addEventListener('load', () => {
imagesLoaded++
if (imagesLoaded === images.length) {
virtualIframe.contentWindow.print()
this.removeIframe(virtualIframe)
}
})
img.addEventListener('error', () => {
imagesLoaded++
if (imagesLoaded === images.length) {
virtualIframe.contentWindow.print()
this.removeIframe(virtualIframe)
}
})
})

if (images.length === 0) {
virtualIframe.contentWindow.print()
this.removeIframe(virtualIframe)
if (images.length === 0) {
virtualIframe.contentWindow.print()
this.removeIframe(virtualIframe)
}
} catch (error) {
logger.error('Could not print message', { error })
showError(t('mail', 'Could not print message'))
}
}
},
Expand Down Expand Up @@ -474,6 +491,7 @@ export default {

iframe.contentWindow.print()
} catch (error) {
logger.error('Could not print message', { error })
showError(t('mail', 'Could not print message'))
}
}, 100)
Expand Down
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