Mercurial > hg > orthanc-stone
annotate Platforms/Wasm/stone-framework-loader.ts @ 309:14ef1227120f am-callable-and-promise
web services: better handling of failures
| author | am@osimis.io |
|---|---|
| date | Fri, 28 Sep 2018 15:02:43 +0200 |
| parents | 126c9c0c9333 |
| children | 5055031f4a06 |
| rev | line source |
|---|---|
| 223 | 1 module Stone { |
| 2 /** | |
| 3 * This file contains primitives to interface with WebAssembly and | |
| 4 * with the Stone framework. | |
| 5 **/ | |
| 6 | |
| 7 export declare type InitializationCallback = () => void; | |
| 8 | |
| 9 export declare var StoneFrameworkModule : any; | |
| 10 | |
| 11 //const ASSETS_FOLDER : string = "assets/lib"; | |
| 12 //const WASM_FILENAME : string = "orthanc-framework"; | |
| 13 | |
| 14 | |
| 15 export class Framework | |
| 16 { | |
| 17 private static singleton_ : Framework = null; | |
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SimpleViewer demo running both with SDL and Wasm
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18 private static wasmModuleName_ : string = null; |
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126c9c0c9333
SimpleViewer demo running both with SDL and Wasm
am@osimis.io
parents:
237
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changeset
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19 |
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126c9c0c9333
SimpleViewer demo running both with SDL and Wasm
am@osimis.io
parents:
237
diff
changeset
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20 public static Configure(wasmModuleName: string) { |
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126c9c0c9333
SimpleViewer demo running both with SDL and Wasm
am@osimis.io
parents:
237
diff
changeset
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21 this.wasmModuleName_ = wasmModuleName; |
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126c9c0c9333
SimpleViewer demo running both with SDL and Wasm
am@osimis.io
parents:
237
diff
changeset
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22 } |
|
126c9c0c9333
SimpleViewer demo running both with SDL and Wasm
am@osimis.io
parents:
237
diff
changeset
|
23 |
| 223 | 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 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 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 { | |
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126c9c0c9333
SimpleViewer demo running both with SDL and Wasm
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parents:
237
diff
changeset
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60 console.log('Initializing WebAssembly Module'); |
| 223 | 61 |
| 62 (<any> window).StoneFrameworkModule = { | |
| 63 preRun: [ | |
| 64 function() { | |
| 65 console.log('Loading the Stone Framework using WebAssembly'); | |
| 66 } | |
| 67 ], | |
| 68 postRun: [ | |
| 69 function() { | |
| 70 // This function is called by ".js" wrapper once the ".wasm" | |
| 71 // WebAssembly module has been loaded and compiled by the | |
| 72 // browser | |
| 73 console.log('WebAssembly is ready'); | |
| 74 Framework.singleton_ = new Framework(verbose); | |
| 75 callback(); | |
| 76 } | |
| 77 ], | |
| 78 print: function(text : string) { | |
| 79 console.log(text); | |
| 80 }, | |
| 81 printErr: function(text : string) { | |
| 82 console.error(text); | |
| 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'; | |
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SimpleViewer demo running both with SDL and Wasm
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90 //script.src = "orthanc-stone.js"; // ASSETS_FOLDER + '/' + WASM_FILENAME + '.js'; |
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126c9c0c9333
SimpleViewer demo running both with SDL and Wasm
am@osimis.io
parents:
237
diff
changeset
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91 script.src = this.wasmModuleName_ + ".js";// "OrthancStoneSimpleViewer.js"; // ASSETS_FOLDER + '/' + WASM_FILENAME + '.js'; |
| 223 | 92 script.async = true; |
| 93 document.head.appendChild(script); | |
| 94 } | |
| 95 } | |
| 96 } |