Mailspring/internal_packages/print/static/print.js

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JavaScript
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(function() {
function rebuildMessages(messageNodes, messages) {
// Simply insert the message html inside the appropriate node
for (var idx = 0; idx < messageNodes.length; idx++) {
var msgNode = messageNodes[idx];
var msgHtml = messages[idx];
msgNode.innerHTML = msgHtml;
}
}
function removeClassFromNodes(nodeList, className) {
for (var idx = 0; idx < nodeList.length; idx++) {
var node = nodeList[idx];
var re = new RegExp('\\b' + className + '\\b', 'g');
node.className = node.className.replace(re, '');
}
}
function removeScrollClasses() {
var scrollRegions = document.querySelectorAll('.scroll-region');
var scrollContents = document.querySelectorAll('.scroll-region-content');
var scrollContentInners = document.querySelectorAll('.scroll-region-content-inner');
removeClassFromNodes(scrollRegions, 'scroll-region');
removeClassFromNodes(scrollContents, 'scroll-region-content');
removeClassFromNodes(scrollContentInners, 'scroll-region-content-inner');
}
function continueAndPrint() {
document.getElementById('print-button').style.display = 'none';
window.requestAnimationFrame(function() {
window.print();
// Close this print window after selecting to print
// This is really hackish but appears to be the only working solution
setTimeout(window.close, 500);
});
}
var messageNodes = document.querySelectorAll('.message-item-area>span');
removeScrollClasses();
rebuildMessages(messageNodes, window.printMessages);
window.continueAndPrint = continueAndPrint;
})();