Mercurial > hg > orthanc-stone
diff Deprecated/Platforms/Wasm/stone-framework-loader.ts @ 1400:419d0320c344
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 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Deprecated/Platforms/Wasm/stone-framework-loader.ts Wed Apr 29 20:45:14 2020 +0200 @@ -0,0 +1,95 @@ +/** + * This file contains primitives to interface with WebAssembly and + * with the Stone framework. + **/ +import * as Logger from './logger' + +export declare type InitializationCallback = () => void; + +//export declare var StoneFrameworkModule : any; +export var StoneFrameworkModule : any; + +//const ASSETS_FOLDER : string = "assets/lib"; +//const WASM_FILENAME : string = "orthanc-framework"; + +export class Framework +{ + private static singleton_ : Framework = null; + private static wasmModuleName_ : string = null; + + public static Configure(wasmModuleName: string) { + this.wasmModuleName_ = wasmModuleName; + } + + private constructor(verbose : boolean) + { + //this.ccall('Initialize', null, [ 'number' ], [ verbose ]); + } + + + public ccall( name: string, + returnType: string, + argTypes: Array<string>, + argValues: Array<any>) : any + { + return (<any> window).StoneFrameworkModule.ccall(name, returnType, argTypes, argValues); + } + + + public cwrap( name: string, + returnType: string, + argTypes: Array<string>) : any + { + return (<any> window).StoneFrameworkModule.cwrap(name, returnType, argTypes); + } + + + public static GetInstance() : Framework + { + if (Framework.singleton_ == null) { + throw new Error('The WebAssembly module is not loaded yet'); + } else { + return Framework.singleton_; + } + } + + + public static Initialize( verbose: boolean, + callback: InitializationCallback) + { + Logger.defaultLogger.debug('Initializing WebAssembly Module'); + + (<any> window).errorFromCpp = function(text:any) { Logger.defaultLogger.errorFromCpp(text); }; + (<any> window).warningFromCpp = function(text:any) { Logger.defaultLogger.warningFromCpp(text); }; + (<any> window).infoFromCpp = function(text:any) { Logger.defaultLogger.infoFromCpp(text); }; + (<any> window).debugFromCpp = function(text:any) { Logger.defaultLogger.debugFromCpp(text); }; + + // (<any> window). + (<any> window).StoneFrameworkModule = { + preRun: [ + function() { + Logger.defaultLogger.debug('Loading the Stone Framework using WebAssembly'); + } + ], + postRun: [ + function() { + // This function is called by ".js" wrapper once the ".wasm" + // WebAssembly module has been loaded and compiled by the + // browser + Logger.defaultLogger.debug('WebAssembly is ready'); + Framework.singleton_ = new Framework(verbose); + callback(); + } + ], + totalDependencies: 0 + }; + + // Dynamic loading of the JavaScript wrapper around WebAssembly + var script = document.createElement('script'); + script.type = 'application/javascript'; + //script.src = "orthanc-stone.js"; // ASSETS_FOLDER + '/' + WASM_FILENAME + '.js'; + script.src = this.wasmModuleName_ + ".js";// "OrthancStoneSimpleViewer.js"; // ASSETS_FOLDER + '/' + WASM_FILENAME + '.js'; + script.async = true; + document.head.appendChild(script); + } +}