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1 module Stone {
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2 /**
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3 * This file contains primitives to interface with WebAssembly and
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4 * with the Stone framework.
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5 **/
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6
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7 export declare type InitializationCallback = () => void;
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8
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9 export declare var StoneFrameworkModule : any;
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10
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11 //const ASSETS_FOLDER : string = "assets/lib";
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12 //const WASM_FILENAME : string = "orthanc-framework";
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13
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14
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15 export class Framework
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16 {
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17 private static singleton_ : Framework = null;
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18
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19 private constructor(verbose : boolean)
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20 {
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21 //this.ccall('Initialize', null, [ 'number' ], [ verbose ]);
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22 }
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23
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24
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25 public ccall(name: string,
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26 returnType: string,
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27 argTypes: Array<string>,
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28 argValues: Array<any>) : any
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29 {
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30 return StoneFrameworkModule.ccall(name, returnType, argTypes, argValues);
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31 }
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32
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33
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34 public cwrap(name: string,
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35 returnType: string,
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36 argTypes: Array<string>) : any
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37 {
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38 return StoneFrameworkModule.cwrap(name, returnType, argTypes);
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39 }
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40
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41
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42 public static GetInstance() : Framework
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43 {
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44 if (Framework.singleton_ == null) {
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45 throw new Error('The WebAssembly module is not loaded yet');
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46 } else {
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47 return Framework.singleton_;
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48 }
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49 }
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50
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51
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52 public static Initialize(verbose: boolean,
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53 callback: InitializationCallback)
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54 {
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55 console.log('Initializing WebAssembly');
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56
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57 (<any> window).StoneFrameworkModule = {
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58 preRun: [
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59 function() {
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60 console.log('Loading the Stone Framework using WebAssembly');
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61 }
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62 ],
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63 postRun: [
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64 function() {
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65 // This function is called by ".js" wrapper once the ".wasm"
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66 // WebAssembly module has been loaded and compiled by the
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67 // browser
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68 console.log('WebAssembly is ready');
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69 Framework.singleton_ = new Framework(verbose);
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70 callback();
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71 }
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72 ],
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73 print: function(text : string) {
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74 console.log(text);
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75 },
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76 printErr: function(text : string) {
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77 console.error(text);
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78 },
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79 totalDependencies: 0
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80 };
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81
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82 // Dynamic loading of the JavaScript wrapper around WebAssembly
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83 var script = document.createElement('script');
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84 script.type = 'application/javascript';
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85 script.src = "orthanc-stone.js"; // ASSETS_FOLDER + '/' + WASM_FILENAME + '.js';
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86 script.async = true;
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87 document.head.appendChild(script);
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88 }
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89 }
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90 } |
