118 lines
3.4 KiB
JavaScript
118 lines
3.4 KiB
JavaScript
'use strict';
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function onMountRequested(successCallback, errorCallback) {
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console.log("mount requested");
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getMountInfo(function(mountInfo) { mount(mountInfo, successCallback, errorCallback); });
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}
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function getMountInfo(callback) {
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let windowCallback = function(appWindow) {
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let listener = function(message) {
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if(message.senderId == appWindow.id) {
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callback(message.mountInfo);
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} else {
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console.log(message);
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console.log(appWindow);
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console.log(message.senderId);
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console.log(appWindow.id);
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}
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chrome.runtime.onMessage.removeListener(listener);
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};
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chrome.runtime.onMessage.addListener(listener);
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};
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let windowOptions = { outerBounds : { width: 800, height: 600 }, resizable : false, id: Date.now().toString() };
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chrome.app.window.create("mount-info.html", windowOptions, windowCallback);
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}
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function mount(mountInfo, successCallback, errorCallback) {
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console.log("mount()");
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let request = new XMLHttpRequest();
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request.open("GET", mountInfo.url);
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request.onreadystatechange = function() {
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if(request.readyState != XMLHttpRequest.DONE) return;
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try {
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JSON.parse(request.responseText);
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let options = { fileSystemId: mountInfo.url, displayName: mountInfo.name, writable: false };
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chrome.fileSystemProvider.mount(options);
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console.log("mount succeeded");
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successCallback();
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} catch(exception) {
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console.log(exception);
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console.log("mount failed");
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errorCallback();
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//TODO: Properly show error (e.g. notification)
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}
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};
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request.send();
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}
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function readDirectory(options, successCallback, errorCallback) {
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let request = new XMLHttpRequest();
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request.open("GET", options.fileSystemId + "/" + options.directoryPath);
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request.onreadystatechange = function() {
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if(request.readyState != XMLHttpRequest.DONE) return;
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try {
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let json = JSON.parse(request.responseText);
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let entries = json.map(function(item) {
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let entry = {};
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if(options.isDirectory) {
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entry.isDirectory = item.type == "directory";
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}
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if(options.name) {
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entry.name = item.name;
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}
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if(options.size) {
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entry.size = item.size;
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}
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if(options.modificationTime) {
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entry.modificationTime = new Date(item.mtime);
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}
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return entry;
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});
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successCallback(entries, false);
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} catch(exception) {
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console.log(exception);
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console.log("readDirectory failed");
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errorCallback("FAILED");
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//TODO: Properly show error (e.g. notification)
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}
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};
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request.send();
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}
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function getMetadata(options, successCallback, errorCallback) {
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if(options.entryPath == "/") {
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successCallback({ isDirectory: true, name: "", size: 0, modificationTime: new Date() });
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} else {
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let parentDirectory = options.entryPath.substring(0, options.entryPath.lastIndexOf('/') + 1);
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let baseName = options.entryPath.substr(options.entryPath.lastIndexOf('/') + 1);
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options.directoryPath = parentDirectory;
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let nameRequested = options.name;
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options.name = true;
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readDirectory(options, function(entries, more) {
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for(let entry of entries) {
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if(entry.name == baseName) {
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if(!nameRequested) {
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delete entry.name;
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options.name = false;
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}
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successCallback(entry);
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return;
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}
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}
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errorCallback("NOT_FOUND");
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}, errorCallback);
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}
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}
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chrome.fileSystemProvider.onMountRequested.addListener(onMountRequested);
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chrome.fileSystemProvider.onReadDirectoryRequested.addListener(readDirectory);
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chrome.fileSystemProvider.onGetMetadataRequested.addListener(getMetadata);
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