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background.js
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background.js
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// Keyboard shortcuts
chrome.commands.onCommand.addListener(async function (command) {
if (command == "saveSelection") {
await saveSelection();
} else if (command == "saveWholePage") {
await saveWholePage();
} else if (command == "saveTabs") {
await saveTabs();
} else if (command == "saveCroppedScreenshot") {
const activeTab = await getActiveTab();
await saveCroppedScreenshot(activeTab.url);
} else {
console.log("Unrecognized command", command);
}
});
function cropImage(newArea, dataUrl) {
return new Promise((resolve, reject) => {
const img = new Image();
img.onload = function () {
const canvas = document.createElement('canvas');
canvas.width = newArea.width;
canvas.height = newArea.height;
const ctx = canvas.getContext('2d');
ctx.drawImage(img, newArea.x, newArea.y, newArea.width, newArea.height, 0, 0, newArea.width, newArea.height);
resolve(canvas.toDataURL());
};
img.src = dataUrl;
});
}
async function takeCroppedScreenshot(cropRect) {
const activeTab = await getActiveTab();
const zoom = await browser.tabs.getZoom(activeTab.id) * window.devicePixelRatio;
const newArea = Object.assign({}, cropRect);
newArea.x *= zoom;
newArea.y *= zoom;
newArea.width *= zoom;
newArea.height *= zoom;
const dataUrl = await browser.tabs.captureVisibleTab(null, { format: 'png' });
return await cropImage(newArea, dataUrl);
}
async function takeWholeScreenshot() {
// this saves only visible portion of the page
// workaround to save the whole page is to scroll & stitch
// example in https://github.com/mrcoles/full-page-screen-capture-chrome-extension
// see page.js and popup.js
return await browser.tabs.captureVisibleTab(null, { format: 'png' });
}
browser.runtime.onInstalled.addListener(() => {
if (isDevEnv()) {
browser.browserAction.setIcon({
path: 'icons/32-dev.png',
});
}
});
browser.contextMenus.create({
id: "trilium-save-selection",
title: "Save selection to Trilium",
contexts: ["selection"]
});
browser.contextMenus.create({
id: "trilium-save-cropped-screenshot",
title: "Clip screenshot to Trilium",
contexts: ["page"]
});
browser.contextMenus.create({
id: "trilium-save-cropped-screenshot",
title: "Crop screen shot to Trilium",
contexts: ["page"]
});
browser.contextMenus.create({
id: "trilium-save-whole-screenshot",
title: "Save whole screen shot to Trilium",
contexts: ["page"]
});
browser.contextMenus.create({
id: "trilium-save-page",
title: "Save whole page to Trilium",
contexts: ["page"]
});
browser.contextMenus.create({
id: "trilium-save-link",
title: "Save link to Trilium",
contexts: ["link"]
});
browser.contextMenus.create({
id: "trilium-save-image",
title: "Save image to Trilium",
contexts: ["image"]
});
async function getActiveTab() {
const tabs = await browser.tabs.query({
active: true,
currentWindow: true
});
return tabs[0];
}
async function getWindowTabs() {
const tabs = await browser.tabs.query({
currentWindow: true
});
return tabs;
}
async function sendMessageToActiveTab(message) {
const activeTab = await getActiveTab();
if (!activeTab) {
throw new Error("No active tab.");
}
try {
return await browser.tabs.sendMessage(activeTab.id, message);
}
catch (e) {
throw e;
}
}
function toast(message, noteId = null, tabIds = null) {
sendMessageToActiveTab({
name: 'toast',
message: message,
noteId: noteId,
tabIds: tabIds
});
}
function blob2base64(blob) {
return new Promise(resolve => {
const reader = new FileReader();
reader.onloadend = function() {
resolve(reader.result);
};
reader.readAsDataURL(blob);
});
}
async function fetchImage(url) {
const resp = await fetch(url);
const blob = await resp.blob();
return await blob2base64(blob);
}
async function postProcessImage(image) {
if (image.src.startsWith("data:image/")) {
image.dataUrl = image.src;
image.src = "inline." + image.src.substr(11, 3); // this should extract file type - png/jpg
}
else {
try {
image.dataUrl = await fetchImage(image.src, image);
}
catch (e) {
console.log(`Cannot fetch image from ${image.src}`);
}
}
}
async function postProcessImages(resp) {
if (resp.images) {
for (const image of resp.images) {
await postProcessImage(image);
}
}
}
async function saveSelection() {
const payload = await sendMessageToActiveTab({name: 'trilium-save-selection'});
await postProcessImages(payload);
const resp = await triliumServerFacade.callService('POST', 'clippings', payload);
if (!resp) {
return;
}
toast("Selection has been saved to Trilium.", resp.noteId);
}
async function getImagePayloadFromSrc(src, pageUrl) {
const image = {
imageId: randomString(20),
src: src
};
await postProcessImage(image);
const activeTab = await getActiveTab();
return {
title: activeTab.title,
content: `<img src="${image.imageId}">`,
images: [image],
pageUrl: pageUrl
};
}
async function saveCroppedScreenshot(pageUrl) {
const cropRect = await sendMessageToActiveTab({name: 'trilium-get-rectangle-for-screenshot'});
const src = await takeCroppedScreenshot(cropRect);
const payload = await getImagePayloadFromSrc(src, pageUrl);
const resp = await triliumServerFacade.callService("POST", "clippings", payload);
if (!resp) {
return;
}
toast("Screenshot has been saved to Trilium.", resp.noteId);
}
async function saveWholeScreenshot(pageUrl) {
const src = await takeWholeScreenshot();
const payload = await getImagePayloadFromSrc(src, pageUrl);
const resp = await triliumServerFacade.callService("POST", "clippings", payload);
if (!resp) {
return;
}
toast("Screenshot has been saved to Trilium.", resp.noteId);
}
async function saveImage(srcUrl, pageUrl) {
const payload = await getImagePayloadFromSrc(srcUrl, pageUrl);
const resp = await triliumServerFacade.callService("POST", "clippings", payload);
if (!resp) {
return;
}
toast("Image has been saved to Trilium.", resp.noteId);
}
async function saveWholePage() {
const payload = await sendMessageToActiveTab({name: 'trilium-save-page'});
await postProcessImages(payload);
const resp = await triliumServerFacade.callService('POST', 'notes', payload);
if (!resp) {
return;
}
toast("Page has been saved to Trilium.", resp.noteId);
}
async function saveLinkWithNote(title, content) {
const activeTab = await getActiveTab();
if (!title.trim()) {
title = activeTab.title;
}
const resp = await triliumServerFacade.callService('POST', 'notes', {
title: title,
content: content,
clipType: 'note',
pageUrl: activeTab.url
});
if (!resp) {
return false;
}
toast("Link with note has been saved to Trilium.", resp.noteId);
return true;
}
async function getTabsPayload(tabs) {
let content = '<ul>';
tabs.forEach(tab => {
content += `<li><a href="${tab.url}">${tab.title}</a></li>`
});
content += '</ul>';
const domainsCount = tabs.map(tab => tab.url)
.reduce((acc, url) => {
const hostname = new URL(url).hostname
return acc.set(hostname, (acc.get(hostname) || 0) + 1)
}, new Map());
let topDomains = [...domainsCount]
.sort((a, b) => {return b[1]-a[1]})
.slice(0,3)
.map(domain=>domain[0])
.join(', ')
if (tabs.length > 3) { topDomains += '...' }
return {
title: `${tabs.length} browser tabs: ${topDomains}`,
content: content,
clipType: 'tabs'
};
}
async function saveTabs() {
const tabs = await getWindowTabs();
const payload = await getTabsPayload(tabs);
const resp = await triliumServerFacade.callService('POST', 'notes', payload);
if (!resp) {
return;
}
const tabIds = tabs.map(tab=>{return tab.id});
toast(`${tabs.length} links have been saved to Trilium.`, resp.noteId, tabIds);
}
browser.contextMenus.onClicked.addListener(async function(info, tab) {
if (info.menuItemId === 'trilium-save-selection') {
await saveSelection();
}
else if (info.menuItemId === 'trilium-save-cropped-screenshot') {
await saveCroppedScreenshot(info.pageUrl);
}
else if (info.menuItemId === 'trilium-save-whole-screenshot') {
await saveWholeScreenshot(info.pageUrl);
}
else if (info.menuItemId === 'trilium-save-image') {
await saveImage(info.srcUrl, info.pageUrl);
}
else if (info.menuItemId === 'trilium-save-link') {
const link = document.createElement("a");
link.href = info.linkUrl;
// linkText might be available only in firefox
link.appendChild(document.createTextNode(info.linkText || info.linkUrl));
const activeTab = await getActiveTab();
const resp = await triliumServerFacade.callService('POST', 'clippings', {
title: activeTab.title,
content: link.outerHTML,
pageUrl: info.pageUrl
});
if (!resp) {
return;
}
toast("Link has been saved to Trilium.", resp.noteId);
}
else if (info.menuItemId === 'trilium-save-page') {
await saveWholePage();
}
else {
console.log("Unrecognized menuItemId", info.menuItemId);
}
});
browser.runtime.onMessage.addListener(async request => {
console.log("Received", request);
if (request.name === 'openNoteInTrilium') {
const resp = await triliumServerFacade.callService('POST', 'open/' + request.noteId);
if (!resp) {
return;
}
// desktop app is not available so we need to open in browser
if (resp.result === 'open-in-browser') {
const {triliumServerUrl} = await browser.storage.sync.get("triliumServerUrl");
if (triliumServerUrl) {
const noteUrl = triliumServerUrl + '/#' + request.noteId;
console.log("Opening new tab in browser", noteUrl);
browser.tabs.create({
url: noteUrl
});
}
else {
console.error("triliumServerUrl not found in local storage.");
}
}
}
else if (request.name === 'closeTabs') {
return await browser.tabs.remove(request.tabIds)
}
else if (request.name === 'load-script') {
return await browser.tabs.executeScript({file: request.file});
}
else if (request.name === 'save-cropped-screenshot') {
const activeTab = await getActiveTab();
return await saveCroppedScreenshot(activeTab.url);
}
else if (request.name === 'save-whole-screenshot') {
const activeTab = await getActiveTab();
return await saveWholeScreenshot(activeTab.url);
}
else if (request.name === 'save-whole-page') {
return await saveWholePage();
}
else if (request.name === 'save-link-with-note') {
return await saveLinkWithNote(request.title, request.content);
}
else if (request.name === 'save-tabs') {
return await saveTabs();
}
else if (request.name === 'trigger-trilium-search') {
triliumServerFacade.triggerSearchForTrilium();
}
else if (request.name === 'send-trilium-search-status') {
triliumServerFacade.sendTriliumSearchStatusToPopup();
}
else if (request.name === 'trigger-trilium-search-note-url') {
const activeTab = await getActiveTab();
triliumServerFacade.triggerSearchNoteByUrl(activeTab.url);
}
});