841 lines
23 KiB
JavaScript
841 lines
23 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const {Ci, Cc, Cr} = require("chrome");
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const {OS} = require("resource://gre/modules/osfile.jsm");
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const {FileUtils} = require("resource://gre/modules/FileUtils.jsm");
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const {NetUtil} = require("resource://gre/modules/NetUtil.jsm");
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const promise = require("promise");
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const defer = require("devtools/shared/defer");
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const DevToolsUtils = require("devtools/shared/DevToolsUtils");
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const EventEmitter = require("devtools/shared/event-emitter");
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// Bug 1188401: When loaded from xpcshell tests, we do not have browser/ files
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// and can't load target.js. Should be fixed by bug 912121.
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loader.lazyRequireGetter(this, "TargetFactory", "devtools/client/framework/target", true);
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// XXX: bug 912476 make this module a real protocol.js front
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// by converting webapps actor to protocol.js
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const PR_USEC_PER_MSEC = 1000;
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const PR_RDWR = 0x04;
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const PR_CREATE_FILE = 0x08;
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const PR_TRUNCATE = 0x20;
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const CHUNK_SIZE = 10000;
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const appTargets = new Map();
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function addDirToZip(writer, dir, basePath) {
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let files = dir.directoryEntries;
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while (files.hasMoreElements()) {
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let file = files.getNext().QueryInterface(Ci.nsIFile);
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if (file.isHidden() ||
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file.isSpecial() ||
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file.equals(writer.file))
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{
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continue;
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}
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if (file.isDirectory()) {
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writer.addEntryDirectory(basePath + file.leafName + "/",
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file.lastModifiedTime * PR_USEC_PER_MSEC,
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true);
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addDirToZip(writer, file, basePath + file.leafName + "/");
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} else {
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writer.addEntryFile(basePath + file.leafName,
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Ci.nsIZipWriter.COMPRESSION_DEFAULT,
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file,
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true);
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}
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}
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}
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/**
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* Convert an XPConnect result code to its name and message.
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* We have to extract them from an exception per bug 637307 comment 5.
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*/
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function getResultText(code) {
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let regexp =
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/^\[Exception... "(.*)" nsresult: "0x[0-9a-fA-F]* \((.*)\)" location: ".*" data: .*\]$/;
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let ex = Cc["@mozilla.org/js/xpc/Exception;1"].
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createInstance(Ci.nsIXPCException);
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ex.initialize(null, code, null, null, null, null);
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let [, message, name] = regexp.exec(ex.toString());
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return { name: name, message: message };
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}
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function zipDirectory(zipFile, dirToArchive) {
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let deferred = defer();
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let writer = Cc["@mozilla.org/zipwriter;1"].createInstance(Ci.nsIZipWriter);
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writer.open(zipFile, PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE);
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this.addDirToZip(writer, dirToArchive, "");
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writer.processQueue({
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onStartRequest: function onStartRequest(request, context) {},
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onStopRequest: (request, context, status) => {
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if (status == Cr.NS_OK) {
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writer.close();
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deferred.resolve(zipFile);
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}
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else {
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let { name, message } = getResultText(status);
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deferred.reject(name + ": " + message);
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}
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}
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}, null);
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return deferred.promise;
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}
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function uploadPackage(client, webappsActor, packageFile, progressCallback) {
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if (client.traits.bulk) {
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return uploadPackageBulk(client, webappsActor, packageFile, progressCallback);
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} else {
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return uploadPackageJSON(client, webappsActor, packageFile, progressCallback);
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}
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}
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function uploadPackageJSON(client, webappsActor, packageFile, progressCallback) {
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let deferred = defer();
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let request = {
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to: webappsActor,
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type: "uploadPackage"
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};
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client.request(request, (res) => {
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openFile(res.actor);
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});
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let fileSize;
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let bytesRead = 0;
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function emitProgress() {
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progressCallback({
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bytesSent: bytesRead,
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totalBytes: fileSize
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});
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}
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function openFile(actor) {
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let openedFile;
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OS.File.open(packageFile.path)
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.then(file => {
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openedFile = file;
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return openedFile.stat();
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})
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.then(fileInfo => {
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fileSize = fileInfo.size;
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emitProgress();
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uploadChunk(actor, openedFile);
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});
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}
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function uploadChunk(actor, file) {
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file.read(CHUNK_SIZE)
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.then(function (bytes) {
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bytesRead += bytes.length;
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emitProgress();
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// To work around the fact that JSON.stringify translates the typed
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// array to object, we are encoding the typed array here into a string
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let chunk = String.fromCharCode.apply(null, bytes);
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let request = {
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to: actor,
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type: "chunk",
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chunk: chunk
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};
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client.request(request, (res) => {
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if (bytes.length == CHUNK_SIZE) {
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uploadChunk(actor, file);
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} else {
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file.close().then(function () {
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endsUpload(actor);
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});
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}
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});
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});
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}
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function endsUpload(actor) {
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let request = {
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to: actor,
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type: "done"
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};
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client.request(request, (res) => {
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deferred.resolve(actor);
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});
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}
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return deferred.promise;
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}
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function uploadPackageBulk(client, webappsActor, packageFile, progressCallback) {
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let deferred = defer();
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let request = {
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to: webappsActor,
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type: "uploadPackage",
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bulk: true
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};
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client.request(request, (res) => {
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startBulkUpload(res.actor);
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});
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function startBulkUpload(actor) {
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console.log("Starting bulk upload");
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let fileSize = packageFile.fileSize;
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console.log("File size: " + fileSize);
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let request = client.startBulkRequest({
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actor: actor,
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type: "stream",
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length: fileSize
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});
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request.on("bulk-send-ready", ({copyFrom}) => {
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NetUtil.asyncFetch({
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uri: NetUtil.newURI(packageFile),
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loadUsingSystemPrincipal: true
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}, function (inputStream) {
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let copying = copyFrom(inputStream);
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copying.on("progress", (e, progress) => {
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progressCallback(progress);
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});
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copying.then(() => {
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console.log("Bulk upload done");
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inputStream.close();
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deferred.resolve(actor);
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});
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});
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});
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}
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return deferred.promise;
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}
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function removeServerTemporaryFile(client, fileActor) {
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let request = {
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to: fileActor,
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type: "remove"
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};
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client.request(request);
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}
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/**
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* progressCallback argument:
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* Function called as packaged app installation proceeds.
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* The progress object passed to this function contains:
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* * bytesSent: The number of bytes sent so far
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* * totalBytes: The total number of bytes to send
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*/
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function installPackaged(client, webappsActor, packagePath, appId, progressCallback) {
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let deferred = defer();
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let file = FileUtils.File(packagePath);
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let packagePromise;
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if (file.isDirectory()) {
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let tmpZipFile = FileUtils.getDir("TmpD", [], true);
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tmpZipFile.append("application.zip");
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tmpZipFile.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("666", 8));
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packagePromise = zipDirectory(tmpZipFile, file);
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} else {
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packagePromise = promise.resolve(file);
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}
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packagePromise.then((zipFile) => {
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uploadPackage(client, webappsActor, zipFile, progressCallback)
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.then((fileActor) => {
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let request = {
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to: webappsActor,
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type: "install",
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appId: appId,
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upload: fileActor
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};
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client.request(request, (res) => {
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// If the install method immediatly fails,
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// reject immediatly the installPackaged promise.
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// Otherwise, wait for webappsEvent for completion
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if (res.error) {
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deferred.reject(res);
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}
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if ("error" in res)
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deferred.reject({error: res.error, message: res.message});
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else
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deferred.resolve({appId: res.appId});
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});
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// Ensure deleting the temporary package file, but only if that a temporary
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// package created when we pass a directory as `packagePath`
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if (zipFile != file)
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zipFile.remove(false);
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// In case of success or error, ensure deleting the temporary package file
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// also created on the device, but only once install request is done
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deferred.promise.then(
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() => removeServerTemporaryFile(client, fileActor),
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() => removeServerTemporaryFile(client, fileActor));
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});
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});
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return deferred.promise;
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}
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exports.installPackaged = installPackaged;
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function installHosted(client, webappsActor, appId, metadata, manifest) {
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let deferred = defer();
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let request = {
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to: webappsActor,
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type: "install",
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appId: appId,
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metadata: metadata,
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manifest: manifest
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};
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client.request(request, (res) => {
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if (res.error) {
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deferred.reject(res);
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}
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if ("error" in res)
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deferred.reject({error: res.error, message: res.message});
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else
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deferred.resolve({appId: res.appId});
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});
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return deferred.promise;
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}
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exports.installHosted = installHosted;
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function getTargetForApp(client, webappsActor, manifestURL) {
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// Ensure always returning the exact same JS object for a target
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// of the same app in order to show only one toolbox per app and
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// avoid re-creating lot of objects twice.
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let existingTarget = appTargets.get(manifestURL);
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if (existingTarget)
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return promise.resolve(existingTarget);
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let deferred = defer();
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let request = {
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to: webappsActor,
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type: "getAppActor",
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manifestURL: manifestURL,
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};
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client.request(request, (res) => {
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if (res.error) {
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deferred.reject(res.error);
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} else {
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let options = {
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form: res.actor,
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client: client,
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chrome: false
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};
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TargetFactory.forRemoteTab(options).then((target) => {
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target.isApp = true;
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appTargets.set(manifestURL, target);
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target.on("close", () => {
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appTargets.delete(manifestURL);
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});
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deferred.resolve(target);
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}, (error) => {
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deferred.reject(error);
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});
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}
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});
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return deferred.promise;
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}
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exports.getTargetForApp = getTargetForApp;
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function reloadApp(client, webappsActor, manifestURL) {
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return getTargetForApp(client,
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webappsActor,
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manifestURL).
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then((target) => {
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// Request the ContentActor to reload the app
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let request = {
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to: target.form.actor,
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type: "reload",
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options: {
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force: true
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},
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manifestURL: manifestURL
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};
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return client.request(request);
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}, () => {
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throw new Error("Not running");
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});
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}
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exports.reloadApp = reloadApp;
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function launchApp(client, webappsActor, manifestURL) {
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return client.request({
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to: webappsActor,
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type: "launch",
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manifestURL: manifestURL
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});
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}
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exports.launchApp = launchApp;
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function closeApp(client, webappsActor, manifestURL) {
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return client.request({
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to: webappsActor,
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type: "close",
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manifestURL: manifestURL
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});
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}
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exports.closeApp = closeApp;
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function getTarget(client, form) {
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let deferred = defer();
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let options = {
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form: form,
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client: client,
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chrome: false
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};
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TargetFactory.forRemoteTab(options).then((target) => {
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target.isApp = true;
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deferred.resolve(target);
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}, (error) => {
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deferred.reject(error);
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});
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return deferred.promise;
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}
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/**
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* `App` instances are client helpers to manage a given app
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* and its the tab actors
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*/
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function App(client, webappsActor, manifest) {
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this.client = client;
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this.webappsActor = webappsActor;
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this.manifest = manifest;
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// This attribute is managed by the AppActorFront
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this.running = false;
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this.iconURL = null;
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}
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App.prototype = {
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getForm: function () {
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if (this._form) {
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return promise.resolve(this._form);
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}
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let request = {
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to: this.webappsActor,
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type: "getAppActor",
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manifestURL: this.manifest.manifestURL
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};
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return this.client.request(request)
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.then(res => {
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return this._form = res.actor;
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});
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},
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getTarget: function () {
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if (this._target) {
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return promise.resolve(this._target);
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}
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return this.getForm().
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then((form) => getTarget(this.client, form)).
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then((target) => {
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target.on("close", () => {
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delete this._form;
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delete this._target;
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});
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return this._target = target;
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});
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},
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launch: function () {
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return launchApp(this.client, this.webappsActor,
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this.manifest.manifestURL);
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},
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reload: function () {
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return reloadApp(this.client, this.webappsActor,
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this.manifest.manifestURL);
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},
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close: function () {
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return closeApp(this.client, this.webappsActor,
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this.manifest.manifestURL);
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},
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getIcon: function () {
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if (this.iconURL) {
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return promise.resolve(this.iconURL);
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}
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let deferred = defer();
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let request = {
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to: this.webappsActor,
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type: "getIconAsDataURL",
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manifestURL: this.manifest.manifestURL
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};
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this.client.request(request, res => {
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if (res.error) {
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deferred.reject(res.message || res.error);
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} else if (res.url) {
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this.iconURL = res.url;
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deferred.resolve(res.url);
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} else {
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deferred.reject("Unable to fetch app icon");
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}
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});
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return deferred.promise;
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}
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};
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/**
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* `AppActorFront` is a client for the webapps actor.
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*/
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function AppActorFront(client, form) {
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this.client = client;
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this.actor = form.webappsActor;
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this._clientListener = this._clientListener.bind(this);
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this._onInstallProgress = this._onInstallProgress.bind(this);
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this._listeners = [];
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EventEmitter.decorate(this);
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}
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AppActorFront.prototype = {
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/**
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* List `App` instances for all currently running apps.
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*/
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get runningApps() {
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if (!this._apps) {
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throw new Error("Can't get running apps before calling watchApps.");
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}
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let r = new Map();
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for (let [manifestURL, app] of this._apps) {
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if (app.running) {
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r.set(manifestURL, app);
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}
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}
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return r;
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},
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/**
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* List `App` instances for all installed apps.
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*/
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get apps() {
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if (!this._apps) {
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throw new Error("Can't get apps before calling watchApps.");
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}
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return this._apps;
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},
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/**
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* Returns a `App` object instance for the given manifest URL
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* (and cache it per AppActorFront object)
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*/
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_getApp: function (manifestURL) {
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let app = this._apps ? this._apps.get(manifestURL) : null;
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if (app) {
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return promise.resolve(app);
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} else {
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let request = {
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to: this.actor,
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type: "getApp",
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manifestURL: manifestURL
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};
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return this.client.request(request)
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.then(res => {
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let app = new App(this.client, this.actor, res.app);
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if (this._apps) {
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this._apps.set(manifestURL, app);
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}
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return app;
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}, e => {
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console.error("Unable to retrieve app", manifestURL, e);
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});
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}
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},
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/**
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* Starts watching for app opening/closing installing/uninstalling.
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* Needs to be called before using `apps` or `runningApps` attributes.
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*/
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watchApps: function (listener) {
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// Fixes race between two references to the same front
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// calling watchApps at the same time
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if (this._loadingPromise) {
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return this._loadingPromise;
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}
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// Only call watchApps for the first listener being register,
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// for all next ones, just send fake appOpen events for already
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// opened apps
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if (this._apps) {
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this.runningApps.forEach((app, manifestURL) => {
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listener("appOpen", app);
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});
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return promise.resolve();
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}
|
|
|
|
// First retrieve all installed apps and create
|
|
// related `App` object for each
|
|
let request = {
|
|
to: this.actor,
|
|
type: "getAll"
|
|
};
|
|
return this._loadingPromise = this.client.request(request)
|
|
.then(res => {
|
|
delete this._loadingPromise;
|
|
this._apps = new Map();
|
|
for (let a of res.apps) {
|
|
let app = new App(this.client, this.actor, a);
|
|
this._apps.set(a.manifestURL, app);
|
|
}
|
|
})
|
|
.then(() => {
|
|
// Then retrieve all running apps in order to flag them as running
|
|
let request = {
|
|
to: this.actor,
|
|
type: "listRunningApps"
|
|
};
|
|
return this.client.request(request)
|
|
.then(res => res.apps);
|
|
})
|
|
.then(apps => {
|
|
let promises = apps.map(manifestURL => {
|
|
// _getApp creates `App` instance and register it to AppActorFront
|
|
return this._getApp(manifestURL)
|
|
.then(app => {
|
|
app.running = true;
|
|
// Fake appOpen event for all already opened
|
|
this._notifyListeners("appOpen", app);
|
|
});
|
|
});
|
|
return promise.all(promises);
|
|
})
|
|
.then(() => {
|
|
// Finally ask to receive all app events
|
|
return this._listenAppEvents(listener);
|
|
});
|
|
},
|
|
|
|
fetchIcons: function () {
|
|
// On demand, retrieve apps icons in order to be able
|
|
// to synchronously retrieve it on `App` objects
|
|
let promises = [];
|
|
for (let [manifestURL, app] of this._apps) {
|
|
promises.push(app.getIcon());
|
|
}
|
|
|
|
return DevToolsUtils.settleAll(promises)
|
|
.then(null, () => {});
|
|
},
|
|
|
|
_listenAppEvents: function (listener) {
|
|
this._listeners.push(listener);
|
|
|
|
if (this._listeners.length > 1) {
|
|
return promise.resolve();
|
|
}
|
|
|
|
let client = this.client;
|
|
let f = this._clientListener;
|
|
client.addListener("appOpen", f);
|
|
client.addListener("appClose", f);
|
|
client.addListener("appInstall", f);
|
|
client.addListener("appUninstall", f);
|
|
|
|
let request = {
|
|
to: this.actor,
|
|
type: "watchApps"
|
|
};
|
|
return this.client.request(request);
|
|
},
|
|
|
|
_unlistenAppEvents: function (listener) {
|
|
let idx = this._listeners.indexOf(listener);
|
|
if (idx != -1) {
|
|
this._listeners.splice(idx, 1);
|
|
}
|
|
|
|
// Until we released all listener, we don't ask to stop sending events
|
|
if (this._listeners.length != 0) {
|
|
return promise.resolve();
|
|
}
|
|
|
|
let client = this.client;
|
|
let f = this._clientListener;
|
|
client.removeListener("appOpen", f);
|
|
client.removeListener("appClose", f);
|
|
client.removeListener("appInstall", f);
|
|
client.removeListener("appUninstall", f);
|
|
|
|
// Remove `_apps` in order to allow calling watchApps again
|
|
// and repopulate the apps Map.
|
|
delete this._apps;
|
|
|
|
let request = {
|
|
to: this.actor,
|
|
type: "unwatchApps"
|
|
};
|
|
return this.client.request(request);
|
|
},
|
|
|
|
_clientListener: function (type, message) {
|
|
let { manifestURL } = message;
|
|
|
|
// Reset the app object to get a fresh copy when we (re)install the app.
|
|
if (type == "appInstall" && this._apps && this._apps.has(manifestURL)) {
|
|
this._apps.delete(manifestURL);
|
|
}
|
|
|
|
this._getApp(manifestURL).then((app) => {
|
|
switch (type) {
|
|
case "appOpen":
|
|
app.running = true;
|
|
this._notifyListeners("appOpen", app);
|
|
break;
|
|
case "appClose":
|
|
app.running = false;
|
|
this._notifyListeners("appClose", app);
|
|
break;
|
|
case "appInstall":
|
|
// The call to _getApp is going to create App object
|
|
|
|
// This app may have been running while being installed, so check the list
|
|
// of running apps again to get the right answer.
|
|
let request = {
|
|
to: this.actor,
|
|
type: "listRunningApps"
|
|
};
|
|
this.client.request(request)
|
|
.then(res => {
|
|
if (res.apps.indexOf(manifestURL) !== -1) {
|
|
app.running = true;
|
|
this._notifyListeners("appInstall", app);
|
|
this._notifyListeners("appOpen", app);
|
|
} else {
|
|
this._notifyListeners("appInstall", app);
|
|
}
|
|
});
|
|
break;
|
|
case "appUninstall":
|
|
// Fake a appClose event if we didn't got one before uninstall
|
|
if (app.running) {
|
|
app.running = false;
|
|
this._notifyListeners("appClose", app);
|
|
}
|
|
this._apps.delete(manifestURL);
|
|
this._notifyListeners("appUninstall", app);
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
});
|
|
},
|
|
|
|
_notifyListeners: function (type, app) {
|
|
this._listeners.forEach(f => {
|
|
f(type, app);
|
|
});
|
|
},
|
|
|
|
unwatchApps: function (listener) {
|
|
return this._unlistenAppEvents(listener);
|
|
},
|
|
|
|
/*
|
|
* Install a packaged app.
|
|
*
|
|
* Events are going to be emitted on the front
|
|
* as install progresses. Events will have the following fields:
|
|
* * bytesSent: The number of bytes sent so far
|
|
* * totalBytes: The total number of bytes to send
|
|
*/
|
|
installPackaged: function (packagePath, appId) {
|
|
let request = () => {
|
|
return installPackaged(this.client, this.actor, packagePath, appId,
|
|
this._onInstallProgress)
|
|
.then(response => ({
|
|
appId: response.appId,
|
|
manifestURL: "app://" + response.appId + "/manifest.webapp"
|
|
}));
|
|
};
|
|
return this._install(request);
|
|
},
|
|
|
|
_onInstallProgress: function (progress) {
|
|
this.emit("install-progress", progress);
|
|
},
|
|
|
|
_install: function (request) {
|
|
let deferred = defer();
|
|
let finalAppId = null, manifestURL = null;
|
|
let installs = {};
|
|
|
|
// We need to resolve only once the request is done *AND*
|
|
// once we receive the related appInstall message for
|
|
// the same manifestURL
|
|
let resolve = app => {
|
|
this._unlistenAppEvents(listener);
|
|
installs = null;
|
|
deferred.resolve({ app: app, appId: finalAppId });
|
|
};
|
|
|
|
// Listen for appInstall event, in order to resolve with
|
|
// the matching app object.
|
|
let listener = (type, app) => {
|
|
if (type == "appInstall") {
|
|
// Resolves immediately if the request has already resolved
|
|
// or just flag the installed app to eventually resolve
|
|
// when the request gets its response.
|
|
if (app.manifest.manifestURL === manifestURL) {
|
|
resolve(app);
|
|
} else {
|
|
installs[app.manifest.manifestURL] = app;
|
|
}
|
|
}
|
|
};
|
|
this._listenAppEvents(listener)
|
|
// Execute the request
|
|
.then(request)
|
|
.then(response => {
|
|
finalAppId = response.appId;
|
|
manifestURL = response.manifestURL;
|
|
|
|
// Resolves immediately if the appInstall event
|
|
// was dispatched during the request.
|
|
if (manifestURL in installs) {
|
|
resolve(installs[manifestURL]);
|
|
}
|
|
}, deferred.reject);
|
|
|
|
return deferred.promise;
|
|
|
|
},
|
|
|
|
/*
|
|
* Install a hosted app.
|
|
*
|
|
* Events are going to be emitted on the front
|
|
* as install progresses. Events will have the following fields:
|
|
* * bytesSent: The number of bytes sent so far
|
|
* * totalBytes: The total number of bytes to send
|
|
*/
|
|
installHosted: function (appId, metadata, manifest) {
|
|
let manifestURL = metadata.manifestURL ||
|
|
metadata.origin + "/manifest.webapp";
|
|
let request = () => {
|
|
return installHosted(this.client, this.actor, appId, metadata,
|
|
manifest)
|
|
.then(response => ({
|
|
appId: response.appId,
|
|
manifestURL: manifestURL
|
|
}));
|
|
};
|
|
return this._install(request);
|
|
}
|
|
};
|
|
|
|
exports.AppActorFront = AppActorFront;
|