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1 ///<reference path='stone-framework-loader.ts'/>
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2 ///<reference path='wasm-viewport.ts'/>
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3
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4 if (!('WebAssembly' in window)) {
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5 alert('Sorry, your browser does not support WebAssembly :(');
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6 }
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7
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8 declare var StoneFrameworkModule : Stone.Framework;
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9
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10 // global functions
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11 var WasmWebService_NotifyError: Function = null;
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12 var WasmWebService_NotifySuccess: Function = null;
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13 var WasmWebService_SetBaseUri: Function = null;
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14 var NotifyUpdateContent: Function = null;
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15 var SetStartupParameter: Function = null;
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16 var CreateWasmApplication: Function = null;
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17 var CreateCppViewport: Function = null;
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18 var ReleaseCppViewport: Function = null;
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19 var StartWasmApplication: Function = null;
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20 var SendMessageToStoneApplication: Function = null;
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21
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22
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23 function UpdateContentThread() {
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24 if (NotifyUpdateContent != null) {
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25 NotifyUpdateContent();
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26 }
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27
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28 setTimeout(UpdateContentThread, 100); // Update the viewport content every 100ms if need be
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29 }
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30
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31
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313
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32 function GetUriParameters(): Map<string, string> {
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33 var parameters = window.location.search.substr(1);
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34
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35 if (parameters != null &&
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36 parameters != '') {
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37 var result = new Map<string, string>();
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38 var tokens = parameters.split('&');
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39
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40 for (var i = 0; i < tokens.length; i++) {
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41 var tmp = tokens[i].split('=');
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42 if (tmp.length == 2) {
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43 result[tmp[0]] = decodeURIComponent(tmp[1]);
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44 }
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45 }
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46
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47 return result;
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48 }
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49 else {
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50 return new Map<string, string>();
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287
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51 }
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52 }
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53
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54 // function UpdateWebApplication(statusUpdateMessage: string) {
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55 // console.log(statusUpdateMessage);
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56 // }
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57
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313
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58 function _InitializeWasmApplication(canvasIds: string[], orthancBaseUrl: string): void {
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59
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60 CreateWasmApplication();
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61 WasmWebService_SetBaseUri(orthancBaseUrl);
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62
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63
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64 // parse uri and transmit the parameters to the app before initializing it
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65 let parameters = GetUriParameters();
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66
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67 for (let key in parameters) {
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68 if (parameters.hasOwnProperty(key)) {
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69 SetStartupParameter(key, parameters[key]);
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70 }
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71 }
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72
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73 StartWasmApplication();
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313
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74
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75 // trigger a first resize of the canvas that have just been initialized
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76 for (let canvasId of canvasIds) {
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77 Stone.WasmViewport.GetFromCanvasId(canvasId).Resize();
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78 }
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79
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80 UpdateContentThread();
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81 }
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82
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83 function InitializeWasmApplication(wasmModuleName: string, orthancBaseUrl: string, canvasIds: string[]) {
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84
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85 Stone.Framework.Configure(wasmModuleName);
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86
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87 // Wait for the Orthanc Framework to be initialized (this initializes
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88 // the WebAssembly environment) and then, create and initialize the Wasm application
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89 Stone.Framework.Initialize(true, function () {
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90
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91 console.log("Connecting C++ methods to JS methods");
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92
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93 SetStartupParameter = StoneFrameworkModule.cwrap('SetStartupParameter', null, ['string', 'string']);
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94 CreateWasmApplication = StoneFrameworkModule.cwrap('CreateWasmApplication', null, ['number']);
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95 CreateCppViewport = StoneFrameworkModule.cwrap('CreateCppViewport', 'number', []);
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96 ReleaseCppViewport = StoneFrameworkModule.cwrap('ReleaseCppViewport', null, ['number']);
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97 StartWasmApplication = StoneFrameworkModule.cwrap('StartWasmApplication', null, ['number']);
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98
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99 WasmWebService_NotifySuccess = StoneFrameworkModule.cwrap('WasmWebService_NotifySuccess', null, ['number', 'string', 'array', 'number', 'number']);
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100 WasmWebService_NotifyError = StoneFrameworkModule.cwrap('WasmWebService_NotifyError', null, ['number', 'string', 'number']);
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101 WasmWebService_SetBaseUri = StoneFrameworkModule.cwrap('WasmWebService_SetBaseUri', null, ['string']);
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102 NotifyUpdateContent = StoneFrameworkModule.cwrap('NotifyUpdateContent', null, []);
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103
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104 SendMessageToStoneApplication = StoneFrameworkModule.cwrap('SendMessageToStoneApplication', 'string', ['string']);
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105
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106 console.log("Connecting C++ methods to JS methods - done");
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107
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108 // Prevent scrolling
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109 document.body.addEventListener('touchmove', function (event) {
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110 event.preventDefault();
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111 }, false);
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112
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113 _InitializeWasmApplication(canvasIds, orthancBaseUrl);
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114 });
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115 } |
