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/*
Copyright (C) 2020 Kai Uwe Broulik <kde@broulik.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 3 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
function getFavicon(url) {
return new Promise((resolve) => {
// Specal favicon URL, needs "favicon" permission
// see https://bugs.chromium.org/p/chromium/issues/detail?id=104102
let faviconUrl = new URL(chrome.runtime.getURL("_favicon"));
faviconUrl.searchParams.append("pageUrl", url);
// TODO devicePixelRatio
faviconUrl.searchParams.append("size", 32);
fetch(faviconUrl.href, {
// Unfortunately "only-if-cached" is only possible with "same-origin" mode
cache: "force-cache"
}).then((response) => {
if (!response.ok) {
return resolve();
}
response.blob().then((blob) => {
let reader = new FileReader();
reader.onloadend = function() {
resolve(reader.result);
}
reader.readAsDataURL(blob);
}, (err) => {
console.warn("Failed to read response of", faviconUrl.href, "as blob", err);
resolve();
});
}, (err) => {
console.warn("Failed to get favicon from", faviconUrl.href, err);
resolve();
});
});
}
addCallback("historyrunner", "find", (message) => {
const query = message.query;
chrome.permissions.contains({
permissions: ["history"]
}, (granted) => {
if (!granted) {
sendPortMessage("historyrunner", "found", {
query,
error: "NO_PERMISSION"
});
return;
}
chrome.history.search({
text: query,
maxResults: 15,
// By default searches only the past 24 hours but we want everything
startTime: 0
}, (results) => {
let promises = [];
// Collect open tabs for each history item URL to filter them out below
results.forEach((result) => {
promises.push(new Promise((resolve) => {
chrome.tabs.query({
url: result.url
}, (tabs) => {
if (chrome.runtime.lastError || !tabs) {
return resolve([]);
}
resolve(tabs);
});
}));
});
Promise.all(promises).then((tabs) => {
// Now filter out the entries with corresponding tabs we found earlier
results = results.filter((result, index) => {
return tabs[index].length === 0;
});
// Now fetch all favicons from special favicon provider URL
// There's no public API for this.
// chrome://favicon/ works on Chrome "by accident", and for
// Firefox' page-icon: scheme there is https://bugzilla.mozilla.org/show_bug.cgi?id=1315616
if (IS_FIREFOX) {
return;
}
promises = [];
results.forEach((result) => {
promises.push(getFavicon(result.url));
});
return Promise.all(promises);
}).then((favicons) => {
if (favicons) {
favicons.forEach((favicon, index) => {
if (favicon) {
results[index].favIconUrl = favicon;
}
});
}
}).then((faviconData) => {
sendPortMessage("historyrunner", "found", {
query,
results
});
});
});
});
});
addCallback("historyrunner", "run", (message) => {
const url = message.url;
chrome.tabs.create({
url
});
});
addCallback("historyrunner", "requestPermission", () => {
chrome.tabs.create({
url: chrome.runtime.getURL("permission_request.html") + "?permission=history"
});
});
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