Publish Vulpes Preview 15 sources for desktop, Android and Tundra
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
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258
gaia/distros/spark/apps/studio/js/generation.js
Executable file
258
gaia/distros/spark/apps/studio/js/generation.js
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/*global
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MimeMapper
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*/
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(function(exports) {
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'use strict';
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function proposeDownload(blob) {
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console.log('proposeDownload');
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var url = window.URL.createObjectURL(blob);
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var a = document.createElement('a');
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a.href = url;
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a.download = 'app.zip';
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a.hidden = true;
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document.body.appendChild(a);
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a.click();
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a.remove();
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window.URL.revokeObjectURL(blob);
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}
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function uninstallIfNeeded(theme) {
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if (!theme.manifestURL) {
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return Promise.resolve();
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}
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return new Promise((resolve, reject) => {
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var all = navigator.mozApps.mgmt.getAll();
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all.onsuccess = (e) => {
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var toDelete = e.target.result.find((app) => {
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return (app.manifestURL === theme.manifestURL);
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});
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if (toDelete) {
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var req = navigator.mozApps.mgmt.uninstall(toDelete);
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req.onsuccess = resolve;
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req.onerror = reject;
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} else {
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reject(new Error('could not find the app to uninstall'));
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}
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};
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all.onerror = reject;
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});
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}
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function importBlob(blob, enable) {
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console.log('importBlob');
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if (!navigator.getDeviceStorage) {
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return Promise.reject(new Error('getDeviceStorage is unavailable.'));
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}
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// Save the blob to a file because we don't support importing memory blobs.
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var sdcard = navigator.getDeviceStorage('sdcard');
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return new Promise((resolve, reject) => {
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function sendError(msg) {
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console.log(msg);
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reject(msg);
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}
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if (!sdcard) {
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sendError('No SDCard!');
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return;
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}
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var fileName = 'temp-app.zip';
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var delReq = sdcard.delete(fileName);
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delReq.onsuccess = delReq.onerror = function() {
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var req = sdcard.addNamed(blob, fileName);
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req.onsuccess = function(e) {
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var getReq = sdcard.get(fileName);
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getReq.onsuccess = function() {
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var file = this.result;
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navigator.mozApps.mgmt.import(file).then(
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function(app) {
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if (enable) {
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var setting = { 'theme.selected' : app.manifestURL };
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var req = navigator.mozSettings.createLock().set(setting);
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req.onsuccess = resolve.bind(null, app.manifestURL);
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req.onerror = sendError;
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} else {
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resolve(app.manifestURL);
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}
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},
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function(error) { sendError('Error importing: ' + error.name); }
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);
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}
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getReq.onerror = function() {
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sendError('Error getting file: ' + this.error.name);
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}
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}
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req.onerror = function(e) {
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sendError('Error saving blob: ' + this.error.name);
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}
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};
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});
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}
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function exportTheme(enable, theme) {
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// Worker path configuration.
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zip.workerScriptsPath = './js/libs/';
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console.log('exportTheme ' + theme.title);
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// TODO: use a stable appId.
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var appId = 'app' + Math.round(Math.random() * 100000000);
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var app = new AppZip();
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app.metaData = {
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installOrigin: 'http://gaiamobile.org',
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manifestURL: 'app://theme' + appId + '.gaiamobile.org/update.webapp',
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version: 1
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};
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app.manifest = {
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name: theme.title,
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package_path: '/application.zip',
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};
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// Build a simple package with a manifest and index.html
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var inner = new PackageHelper();
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var manifest = {
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name: theme.title,
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role: "theme",
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type: "certified",
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origin: 'app://theme' + appId + '.gaiamobile.org'
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};
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return inner.init().then(() => {
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function addManifest() {
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return inner.addResource('manifest.webapp', JSON.stringify(manifest));
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}
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function addCSS() {
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return inner.addResource('shared/elements/gaia-theme/gaia-theme.css', userStyle(theme));
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}
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function addWallpaper(blob) {
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// if we don't have a (valid) wallpaper we still want an empty JSON
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var wallpaperFile = null;
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var wallpaper = { homescreen: null };
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if (blob) {
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var type = MimeMapper.guessExtensionFromType(blob.type);
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if (type) {
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wallpaperFile = 'wallpaper.' + type;
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wallpaper.homescreen = '/' + wallpaperFile;
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} else {
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console.error('Unrecognized type: ' + blob.type);
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}
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}
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// We can't use Promise.all to add both files because it corrupts the
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// zip
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return Promise.resolve()
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.then(() => inner.addResource(
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'wallpaper.json', JSON.stringify(wallpaper)))
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.then(function() {
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if (wallpaperFile) {
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inner.addResource(wallpaperFile, blob);
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}
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});
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}
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var zipPromise = addManifest().then(addCSS);
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var image = null;
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if (theme.autotheme) {
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image = theme.autotheme.image;
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}
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zipPromise = zipPromise.then(() => addWallpaper(image));
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return zipPromise.then(inner.asBlob.bind(inner))
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.then((packageBlob) => {
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app.packageblob = packageBlob;
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return app.asBlob();
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}).then((appBlob) => {
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return uninstallIfNeeded(theme)
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.then(() => {
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return importBlob(appBlob, enable);
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})
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.then((manifestURL) => {
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theme.manifestURL = manifestURL;
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return Storage.updateTheme(theme);
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})
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.then(() => Promise.resolve(image &&
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navigator.mozSettings.createLock().set({
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'wallpaper.image': image
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})
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))
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.catch((e) => {
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console.error('Error while importing blob', e);
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// Desktop debug
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// proposeDownload(appBlob);
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alert('This device is not theming compatible');
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});
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});
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});
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}
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function userStyle(theme) {
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var roots = [':root', '.theme-productivity', '.theme-communications',
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'.theme-settings', '.theme-media'];
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var str = '';
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roots.forEach(function(root) {
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str += root + ' {\n';
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var group;
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if (root === ':root') {
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group = 'default';
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// Add :root CSS variables here.
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str += '--transition-duration: 0.2s;\n';
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} else {
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group = root.split('-')[1];
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}
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Object.keys(theme.groups[group]).forEach(function(sectionKey) {
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var section = theme.groups[group][sectionKey];
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Object.keys(section).forEach(function(key) {
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str += key + ': ' + section[key] + ';\n';
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});
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});
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str += '}\n';
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});
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return str;
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}
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function fakeInstall(css) {
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var override = document.createElement('style');
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override.innerHTML = css;
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document.body.appendChild(override);
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}
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function checkIfSelected(theme) {
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return new Promise((resolve, reject) => {
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var req = navigator.mozSettings.createLock().get('theme.selected');
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req.onsuccess = function(e) {
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resolve([(req.result['theme.selected'] == theme.manifestURL), theme]);
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};
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req.onerror = reject;
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});
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}
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exports.Generation = {
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installTheme: function(id, enable) {
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return Storage.fetchTheme(id)
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.then(checkIfSelected)
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.then((results) => {
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return exportTheme(results[0] || enable, results[1]);
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});
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},
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uninstallIfNeeded: function(theme) {
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return checkIfSelected(theme)
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.then((results) => {
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var selected = results[0];
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if (selected) {
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alert("You can't remove the selected theme");
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} else {
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return uninstallIfNeeded(theme);
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}
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});
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}
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};
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})(window);
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