147 lines
4.3 KiB
HTML
147 lines
4.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<!--
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If you are serving your web app in a path other than the root, change the
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href value below to reflect the base path you are serving from.
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The path provided below has to start and end with a slash "/" in order for
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it to work correctly.
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For more details:
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* https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
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This is a placeholder for base href that will be replaced by the value of
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the `--base-href` argument provided to `flutter build`.
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-->
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<base href="$FLUTTER_BASE_HREF">
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<script src="thermion_dart.js"></script>
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<meta charset="UTF-8">
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<meta content="IE=Edge" http-equiv="X-UA-Compatible">
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<meta name="description" content="Demonstrates how to use the thermion_flutter plugin.">
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<!-- iOS meta tags & icons -->
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<meta name="apple-mobile-web-app-capable" content="yes">
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<meta name="apple-mobile-web-app-status-bar-style" content="black">
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<meta name="apple-mobile-web-app-title" content="thermion_flutter_example">
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<link rel="apple-touch-icon" href="icons/Icon-192.png">
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<!-- Favicon -->
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<link rel="icon" type="image/png" href="favicon.png"/>
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<title>thermion_flutter_example</title>
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<link rel="manifest" href="manifest.json">
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<script>
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// The value below is injected by flutter build, do not touch.
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const serviceWorkerVersion = null;
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</script>
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<!-- This script adds the flutter initialization JS code -->
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<script src="flutter.js" defer></script>
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<style>
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html, body {
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margin:0;
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padding:0;
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}
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#flutter_host {
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position:absolute;
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left:200;
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right:0;
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top:200;
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bottom:0;
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}
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canvas {
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position:absolute;
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left:0;
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right:0;
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top:0;
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bottom:0;
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width:100%;
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height:100%;
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}
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</style>
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</head>
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<script type="module">
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let dartFilamentResolveCallback = (cb, data) => {
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const fn = window.df.wasmTable.get(cb);
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if(data) {
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fn(data);
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} else {
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fn();
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}
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}
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window.createVoidCallback = () => {
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let res; //placeholder for resolver callback, outside of promise
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const promise = new Promise((resolve, reject) => {
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res = resolve;
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});
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try {
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const callback = () => {
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try {
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res(0);
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} catch(err) {
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console.log(err);
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}
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}
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const fnPtr = window.df.addFunction(callback, 'v');
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return [promise, fnPtr];
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} catch(err) {
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console.log(err);
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return null;
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}
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}
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window.createIntCallback = window.createVoidPointerCallback = window.createBoolCallback = () => {
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let res; //placeholder for resolver callback, outside of promise
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const promise = new Promise((resolve, reject) => {
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res = resolve;
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});
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try {
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const callback = (val) => {
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try {
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res(val);
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} catch(err) {
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console.log(err);
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}
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}
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const fnPtr = window.df.addFunction(callback, 'vi');
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return [promise, fnPtr];
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} catch(err) {
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console.log(err);
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return null;
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}
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}
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const df = await thermion_dart({dartFilamentResolveCallback:dartFilamentResolveCallback});
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window.df = df;
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const dartModulePromise = WebAssembly.compileStreaming(fetch('main.wasm'));
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const imports = {"thermion_dart":df};
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const dart2wasm_runtime = await import('./main.mjs');
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const moduleInstance = await dart2wasm_runtime.instantiate(dartModulePromise, imports);
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window.example = moduleInstance;
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await dart2wasm_runtime.invoke(moduleInstance);
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// window.addEventListener('load', function(ev) {
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// Download main.dart.js
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_flutter.loader.loadEntrypoint({
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serviceWorker: {
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serviceWorkerVersion: serviceWorkerVersion,
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},
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onEntrypointLoaded: function(engineInitializer) {
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console.log("init engine");
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engineInitializer.initializeEngine({ hostElement: document.querySelector("#flutter_host")}).then(function(appRunner) {
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appRunner.runApp();
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});
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}
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});
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// });
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</script>
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<body>
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<canvas id="canvas"></canvas>
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<div style="position:absolute;height:100%; width:100%" id="flutter_host"></div>
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</body>
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</html>
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