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comparison Deprecated/Platforms/Wasm/stone-framework-loader.ts @ 1400:419d0320c344

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moved Platforms into Deprecated
author Alain Mazy <alain@mazy.be>
date Wed, 29 Apr 2020 20:45:14 +0200
parents Platforms/Wasm/stone-framework-loader.ts@daf43666bbc2
children
comparison
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1399:ff8d2e46ac63 1400:419d0320c344
1 /**
2 * This file contains primitives to interface with WebAssembly and
3 * with the Stone framework.
4 **/
5 import * as Logger from './logger'
6
7 export declare type InitializationCallback = () => void;
8
9 //export declare var StoneFrameworkModule : any;
10 export var StoneFrameworkModule : any;
11
12 //const ASSETS_FOLDER : string = "assets/lib";
13 //const WASM_FILENAME : string = "orthanc-framework";
14
15 export class Framework
16 {
17 private static singleton_ : Framework = null;
18 private static wasmModuleName_ : string = null;
19
20 public static Configure(wasmModuleName: string) {
21 this.wasmModuleName_ = wasmModuleName;
22 }
23
24 private constructor(verbose : boolean)
25 {
26 //this.ccall('Initialize', null, [ 'number' ], [ verbose ]);
27 }
28
29
30 public ccall( name: string,
31 returnType: string,
32 argTypes: Array<string>,
33 argValues: Array<any>) : any
34 {
35 return (<any> window).StoneFrameworkModule.ccall(name, returnType, argTypes, argValues);
36 }
37
38
39 public cwrap( name: string,
40 returnType: string,
41 argTypes: Array<string>) : any
42 {
43 return (<any> window).StoneFrameworkModule.cwrap(name, returnType, argTypes);
44 }
45
46
47 public static GetInstance() : Framework
48 {
49 if (Framework.singleton_ == null) {
50 throw new Error('The WebAssembly module is not loaded yet');
51 } else {
52 return Framework.singleton_;
53 }
54 }
55
56
57 public static Initialize( verbose: boolean,
58 callback: InitializationCallback)
59 {
60 Logger.defaultLogger.debug('Initializing WebAssembly Module');
61
62 (<any> window).errorFromCpp = function(text:any) { Logger.defaultLogger.errorFromCpp(text); };
63 (<any> window).warningFromCpp = function(text:any) { Logger.defaultLogger.warningFromCpp(text); };
64 (<any> window).infoFromCpp = function(text:any) { Logger.defaultLogger.infoFromCpp(text); };
65 (<any> window).debugFromCpp = function(text:any) { Logger.defaultLogger.debugFromCpp(text); };
66
67 // (<any> window).
68 (<any> window).StoneFrameworkModule = {
69 preRun: [
70 function() {
71 Logger.defaultLogger.debug('Loading the Stone Framework using WebAssembly');
72 }
73 ],
74 postRun: [
75 function() {
76 // This function is called by ".js" wrapper once the ".wasm"
77 // WebAssembly module has been loaded and compiled by the
78 // browser
79 Logger.defaultLogger.debug('WebAssembly is ready');
80 Framework.singleton_ = new Framework(verbose);
81 callback();
82 }
83 ],
84 totalDependencies: 0
85 };
86
87 // Dynamic loading of the JavaScript wrapper around WebAssembly
88 var script = document.createElement('script');
89 script.type = 'application/javascript';
90 //script.src = "orthanc-stone.js"; // ASSETS_FOLDER + '/' + WASM_FILENAME + '.js';
91 script.src = this.wasmModuleName_ + ".js";// "OrthancStoneSimpleViewer.js"; // ASSETS_FOLDER + '/' + WASM_FILENAME + '.js';
92 script.async = true;
93 document.head.appendChild(script);
94 }
95 }