Mercurial > hg > orthanc-stone

annotate Platforms/Wasm/wasm-application-runner.ts @ 1326:55166e57a77c broker

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author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 24 Mar 2020 21:32:35 +0100
parents 861c080ef47b
children
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1 import * as Stone from './stone-framework-loader'
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2 import * as StoneViewport from './wasm-viewport'
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3 import * as Logger from './logger'
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4
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5 if (!('WebAssembly' in window)) {
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6 alert('Sorry, your browser does not support WebAssembly :(');
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7 }
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8
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9 //var StoneFrameworkModule : Stone.Framework = (<any>window).StoneFrameworkModule;
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10 //export declare var StoneFrameworkModule : Stone.Framework;
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11
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12 // global functions
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13 var WasmWebService_NotifyError: Function = null;
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14 var WasmWebService_NotifySuccess: Function = null;
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15 var WasmWebService_NotifyCachedSuccess: Function = null;
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16 var WasmDelayedCallExecutor_ExecuteCallback: Function = null;
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17 var WasmDoAnimation: Function = null;
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18 var SetStartupParameter: Function = null;
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19 var CreateWasmApplication: Function = null;
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20 export var CreateCppViewport: Function = null;
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21 var ReleaseCppViewport: Function = null;
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22 var StartWasmApplication: Function = null;
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23 export var SendSerializedMessageToStoneApplication: Function = null;
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24
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25 var auxiliaryParameters : Map<string,string> = null;
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26
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27 export function SetApplicationParameters(params : Map<string,string>) {
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28 if (auxiliaryParameters != null) {
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29 console.warn("wasm-application-runner.SetApplicationParameters: about to overwrite the existing application parameters!")
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30 }
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31 auxiliaryParameters = params;
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32 }
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33
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34 function DoAnimationThread() {
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35 if (WasmDoAnimation != null) {
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36 WasmDoAnimation();
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37 }
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38
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39 // Update the viewport content every 100ms if need be
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40 setTimeout(DoAnimationThread, 100);
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41 }
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42
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43
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44 function GetUriParameters(): Map<string, string> {
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45 var parameters = window.location.search.substr(1);
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46
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47 if (parameters != null &&
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48 parameters != '') {
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49 var result = new Map<string, string>();
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50 var tokens = parameters.split('&');
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51
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52 for (var i = 0; i < tokens.length; i++) {
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53 var tmp = tokens[i].split('=');
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54 if (tmp.length == 2) {
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55 result[tmp[0]] = decodeURIComponent(tmp[1]);
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56 } else if(tmp.length == 1) {
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57 // if there is no '=', we treat ot afterwards as a flag-style param
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58 result[tmp[0]] = "";
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59 }
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60 }
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61 return result;
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62 }
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63 else {
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64 return new Map<string, string>();
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65 }
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66 }
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67
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68 // function UpdateWebApplication(statusUpdateMessage: string) {
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69 // console.log(statusUpdateMessage);
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70 // }
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71
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72 function _InitializeWasmApplication(orthancBaseUrl: string): void {
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73
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74 CreateWasmApplication();
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75
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76 // transmit the API-specified parameters to the app before initializing it
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77 for (let key in auxiliaryParameters) {
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78 if (auxiliaryParameters.hasOwnProperty(key)) {
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79 Logger.defaultLogger.debug(
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80 `About to call SetStartupParameter("${key}","${auxiliaryParameters[key]}")`);
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81 SetStartupParameter(key, auxiliaryParameters[key]);
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82 }
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83 }
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84
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85 // parse uri and transmit the URI parameters to the app before initializing it
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86 let parameters = GetUriParameters();
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87
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88 for (let key in parameters) {
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89 if (parameters.hasOwnProperty(key)) {
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90 Logger.defaultLogger.debug(
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91 `About to call SetStartupParameter("${key}","${parameters[key]}")`);
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92 SetStartupParameter(key, parameters[key]);
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93 }
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94 }
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95
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96 StartWasmApplication(orthancBaseUrl);
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97
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98 // trigger a first resize of the canvas that has just been initialized
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99 StoneViewport.WasmViewport.ResizeAll();
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100
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101 DoAnimationThread();
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102 }
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103
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104 export function InitializeWasmApplication(wasmModuleName: string, orthancBaseUrl: string) {
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105
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106 Stone.Framework.Configure(wasmModuleName);
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107
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108 // Wait for the Orthanc Framework to be initialized (this initializes
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109 // the WebAssembly environment) and then, create and initialize the Wasm application
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110 Stone.Framework.Initialize(true, function () {
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111
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112 Logger.defaultLogger.debug("Connecting C++ methods to JS methods");
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113
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114 SetStartupParameter = (<any> window).StoneFrameworkModule.cwrap('SetStartupParameter', null, ['string', 'string']);
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115 CreateWasmApplication = (<any> window).StoneFrameworkModule.cwrap('CreateWasmApplication', null, ['number']);
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116 CreateCppViewport = (<any> window).StoneFrameworkModule.cwrap('CreateCppViewport', 'number', []);
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117 ReleaseCppViewport = (<any> window).StoneFrameworkModule.cwrap('ReleaseCppViewport', null, ['number']);
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118 StartWasmApplication = (<any> window).StoneFrameworkModule.cwrap('StartWasmApplication', null, ['string']);
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119 (<any> window).IsTraceLevelEnabled = (<any> window).StoneFrameworkModule.cwrap('WasmIsTraceLevelEnabled', 'boolean', null);
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120 (<any> window).IsInfoLevelEnabled = (<any> window).StoneFrameworkModule.cwrap('WasmIsInfoLevelEnabled', 'boolean', null);
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121
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122 (<any> window).WasmWebService_NotifyCachedSuccess = (<any> window).StoneFrameworkModule.cwrap('WasmWebService_NotifyCachedSuccess', null, ['number']);
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123 (<any> window).WasmWebService_NotifySuccess = (<any> window).StoneFrameworkModule.cwrap('WasmWebService_NotifySuccess', null, ['number', 'string', 'array', 'number', 'number']);
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124 (<any> window).WasmWebService_NotifyError = (<any> window).StoneFrameworkModule.cwrap('WasmWebService_NotifyError', null, ['number', 'string', 'number', 'number']);
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125 (<any> window).WasmDelayedCallExecutor_ExecuteCallback = (<any> window).StoneFrameworkModule.cwrap('WasmDelayedCallExecutor_ExecuteCallback', null, ['number']);
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126 // no need to put this into the globals for it's only used in this very module
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127 WasmDoAnimation = (<any> window).StoneFrameworkModule.cwrap('WasmDoAnimation', null, []);
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128
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129 SendSerializedMessageToStoneApplication = (<any> window).StoneFrameworkModule.cwrap('SendSerializedMessageToStoneApplication', 'string', ['string']);
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130
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131 Logger.defaultLogger.debug("Connecting C++ methods to JS methods - done");
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132
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133 _InitializeWasmApplication(orthancBaseUrl);
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134 });
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135 }
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136
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137
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138 // exports.InitializeWasmApplication = InitializeWasmApplication;
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139
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141