Access manager

.gitignore

@@ -3,7 +3,6 @@
 # Files and directories created by pub
 .dart_tool/
 .packages
-build/
 # If you're building an application, you may want to check-in your pubspec.lock
 pubspec.lock
 
@@ -12,10 +11,7 @@ pubspec.lock
 doc/api/
 
 # Avoid committing generated Javascript files:
-*.dart.js
 *.info.json      # Produced by the --dump-info flag.
-*.js             # When generated by dart2js. Don't specify *.js if your
-                 # project includes source files written in JavaScript.
 *.js_
 *.js.deps
 *.js.map

README.md

@@ -76,7 +76,7 @@ cd flutter_sdk_tutorial
 flutter packages get
 ```
 
-- Add your pub/sub keys to `app_state.dart` which can be found in the `\lib\utils` directory.
+- Add your pub/sub keys to `keys.dart` which can be found in the `\lib\utils` directory.
 
 -  Run the application in Chrome: `flutter run -d chrome`.  You can also run the app with any target device you have configured Flutter for, for example an Android emulator or iPhone simulator.
 

flutter_sdk_tutorial/.gitignore

@@ -30,7 +30,6 @@ migrate_working_dir/
 .packages
 .pub-cache/
 .pub/
-/build/
 
 # Web related
 lib/generated_plugin_registrant.dart

flutter_sdk_tutorial/build/d952360284ff7c1048329e3298be1209/_composite.stamp

@@ -0,0 +1 @@
+{"inputs":[],"outputs":[]}

flutter_sdk_tutorial/build/d952360284ff7c1048329e3298be1209/gen_dart_plugin_registrant.stamp

@@ -0,0 +1 @@
+{"inputs":[],"outputs":[]}

flutter_sdk_tutorial/build/d952360284ff7c1048329e3298be1209/gen_localizations.stamp

@@ -0,0 +1 @@
+{"inputs":[],"outputs":[]}

flutter_sdk_tutorial/build/flutter_assets/AssetManifest.json

@@ -0,0 +1 @@
+{"packages/cupertino_icons/assets/CupertinoIcons.ttf":["packages/cupertino_icons/assets/CupertinoIcons.ttf"]}

flutter_sdk_tutorial/build/flutter_assets/FontManifest.json

@@ -0,0 +1 @@
+[{"family":"MaterialIcons","fonts":[{"asset":"fonts/MaterialIcons-Regular.otf"}]},{"family":"packages/cupertino_icons/CupertinoIcons","fonts":[{"asset":"packages/cupertino_icons/assets/CupertinoIcons.ttf"}]}]

flutter_sdk_tutorial/build/web/.last_build_id

@@ -0,0 +1 @@
+c3081ada40b8aad21981c9b91bfc51f1

flutter_sdk_tutorial/build/web/assets/AssetManifest.json

@@ -0,0 +1 @@
+{"packages/cupertino_icons/assets/CupertinoIcons.ttf":["packages/cupertino_icons/assets/CupertinoIcons.ttf"]}

flutter_sdk_tutorial/build/web/assets/FontManifest.json

@@ -0,0 +1 @@
+[{"family":"MaterialIcons","fonts":[{"asset":"fonts/MaterialIcons-Regular.otf"}]},{"family":"packages/cupertino_icons/CupertinoIcons","fonts":[{"asset":"packages/cupertino_icons/assets/CupertinoIcons.ttf"}]}]

flutter_sdk_tutorial/build/web/features.json

@@ -0,0 +1,8 @@
+{
+    "features": [
+      "Send a message",
+      "Receive a message (You might need to open a new tab)",
+      "Change your friendly name",
+      "Be in a chat with 3 or more people"
+    ]
+}

flutter_sdk_tutorial/build/web/flutter.js

@@ -0,0 +1,157 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * This script installs service_worker.js to provide PWA functionality to
+ *     application. For more information, see:
+ *     https://developers.google.com/web/fundamentals/primers/service-workers
+ */
+
+if (!_flutter) {
+  var _flutter = {};
+}
+_flutter.loader = null;
+
+(function() {
+  "use strict";
+  class FlutterLoader {
+    /**
+     * Creates a FlutterLoader, and initializes its instance methods.
+     */
+    constructor() {
+      // TODO: Move the below methods to "#private" once supported by all the browsers
+      // we support. In the meantime, we use the "revealing module" pattern.
+
+      // Watchdog to prevent injecting the main entrypoint multiple times.
+      this._scriptLoaded = null;
+
+      // Resolver for the pending promise returned by loadEntrypoint.
+      this._didCreateEngineInitializerResolve = null;
+
+      // Called by Flutter web.
+      // Bound to `this` now, so "this" is preserved across JS <-> Flutter jumps.
+      this.didCreateEngineInitializer = this._didCreateEngineInitializer.bind(this);
+    }
+
+    /**
+     * Initializes the main.dart.js with/without serviceWorker.
+     * @param {*} options
+     * @returns a Promise that will eventually resolve with an EngineInitializer,
+     * or will be rejected with the error caused by the loader.
+     */
+    loadEntrypoint(options) {
+      const {
+        entrypointUrl = "main.dart.js",
+        serviceWorker,
+      } = (options || {});
+      return this._loadWithServiceWorker(entrypointUrl, serviceWorker);
+    }
+
+    /**
+     * Resolves the promise created by loadEntrypoint.
+     * Called by Flutter through the public `didCreateEngineInitializer` method,
+     * which is bound to the correct instance of the FlutterLoader on the page.
+     * @param {*} engineInitializer
+     */
+    _didCreateEngineInitializer(engineInitializer) {
+      if (typeof this._didCreateEngineInitializerResolve != "function") {
+        console.warn("Do not call didCreateEngineInitializer by hand. Start with loadEntrypoint instead.");
+      }
+      this._didCreateEngineInitializerResolve(engineInitializer);
+      // Remove the public method after it's done, so Flutter Web can hot restart.
+      delete this.didCreateEngineInitializer;
+    }
+
+    _loadEntrypoint(entrypointUrl) {
+      if (!this._scriptLoaded) {
+        this._scriptLoaded = new Promise((resolve, reject) => {
+          let scriptTag = document.createElement("script");
+          scriptTag.src = entrypointUrl;
+          scriptTag.type = "application/javascript";
+          // Cache the resolve, so it can be called from Flutter.
+          // Note: Flutter hot restart doesn't re-create this promise, so this
+          // can only be called once. Instead, we need to model this as a stream
+          // of `engineCreated` events coming from Flutter that are handled by JS.
+          this._didCreateEngineInitializerResolve = resolve;
+          scriptTag.addEventListener("error", reject);
+          document.body.append(scriptTag);
+        });
+      }
+
+      return this._scriptLoaded;
+    }
+
+    _waitForServiceWorkerActivation(serviceWorker, entrypointUrl) {
+      if (!serviceWorker || serviceWorker.state == "activated") {
+        if (!serviceWorker) {
+          console.warn("Cannot activate a null service worker. Falling back to plain <script> tag.");
+        } else {
+          console.debug("Service worker already active.");
+        }
+        return this._loadEntrypoint(entrypointUrl);
+      }
+      return new Promise((resolve, _) => {
+        serviceWorker.addEventListener("statechange", () => {
+          if (serviceWorker.state == "activated") {
+            console.debug("Installed new service worker.");
+            resolve(this._loadEntrypoint(entrypointUrl));
+          }
+        });
+      });
+    }
+
+    _loadWithServiceWorker(entrypointUrl, serviceWorkerOptions) {
+      if (!("serviceWorker" in navigator) || serviceWorkerOptions == null) {
+        console.warn("Service worker not supported (or configured). Falling back to plain <script> tag.", serviceWorkerOptions);
+        return this._loadEntrypoint(entrypointUrl);
+      }
+
+      const {
+        serviceWorkerVersion,
+        timeoutMillis = 4000,
+      } = serviceWorkerOptions;
+
+      let serviceWorkerUrl = "flutter_service_worker.js?v=" + serviceWorkerVersion;
+      let loader = navigator.serviceWorker.register(serviceWorkerUrl)
+          .then((reg) => {
+            if (!reg.active && (reg.installing || reg.waiting)) {
+              // No active web worker and we have installed or are installing
+              // one for the first time. Simply wait for it to activate.
+              let sw = reg.installing || reg.waiting;
+              return this._waitForServiceWorkerActivation(sw, entrypointUrl);
+            } else if (!reg.active.scriptURL.endsWith(serviceWorkerVersion)) {
+              // When the app updates the serviceWorkerVersion changes, so we
+              // need to ask the service worker to update.
+              console.debug("New service worker available.");
+              return reg.update().then((reg) => {
+                console.debug("Service worker updated.");
+                let sw = reg.installing || reg.waiting || reg.active;
+                return this._waitForServiceWorkerActivation(sw, entrypointUrl);
+              });
+            } else {
+              // Existing service worker is still good.
+              console.debug("Loading app from service worker.");
+              return this._loadEntrypoint(entrypointUrl);
+            }
+          });
+
+      // Timeout race promise
+      let timeout;
+      if (timeoutMillis > 0) {
+        timeout = new Promise((resolve, _) => {
+          setTimeout(() => {
+            if (!this._scriptLoaded) {
+              console.warn("Failed to load app from service worker. Falling back to plain <script> tag.");
+              resolve(this._loadEntrypoint(entrypointUrl));
+            }
+          }, timeoutMillis);
+        });
+      }
+
+      return Promise.race([loader, timeout]);
+    }
+  }
+
+  _flutter.loader = new FlutterLoader();
+}());