49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
chrome.extension.sendMessage({method: "getStyles", matchUrl: location.href, enabled: true, updateBadge: window == window.top}, function(response) {
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response.forEach(applyStyle);
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});
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chrome.extension.onMessage.addListener(function(request, sender, sendResponse) {
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switch(request.name) {
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case "styleDeleted":
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removeStyle(request.id);
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break;
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case "styleUpdated":
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removeStyle(request.style.id);
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//fallthrough
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case "styleAdded":
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if (request.style.enabled == "true") {
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applyStyle(request.style);
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}
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}
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});
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function removeStyle(id) {
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var e = document.getElementById("stylish-" + id);
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if (e) {
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e.parentNode.removeChild(e);
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}
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}
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function applyStyle(s) {
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chrome.extension.sendMessage({method: "getStyleApplies", style: s, url: location.href}, function(response) {
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if (response && response.length > 0) {
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applySections(s, response);
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}
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});
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}
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function applySections(style, sections) {
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var styleElement = document.createElement("style");
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styleElement.setAttribute("id", "stylish-" + style.id);
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styleElement.setAttribute("class", "stylish");
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styleElement.setAttribute("type", "text/css");
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styleElement.appendChild(document.createTextNode(sections.map(function(section) {
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return section.code;
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}).join("\n")));
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if (document.head) {
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document.head.appendChild(styleElement);
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} else {
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document.documentElement.appendChild(styleElement);
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}
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}
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