static/emscripten/uno.js

   1 /* -*- Mode: JS; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 Module.unoTagSymbol = Symbol('unoTag');
  11
  12 Module.uno_init = new Promise(function (resolve, reject) {
  13     Module.uno_init$resolve = function() {
  14         Module.uno = init_unoembind_uno(Module, Module.unoTagSymbol);
  15         resolve();
  16     };
  17     Module.uno_init$reject = reject;
  18 });
  19
  20 Module.uno_main = new Promise(function (resolve, reject) {
  21     Module.uno_main$resolve = resolve;
  22     Module.uno_main$reject = reject;
  23 });
  24
  25 Module.catchUnoException = function(exception) {
  26     // Rethrow non-C++ exceptions (non-UNO C++ exceptions are mapped to css.uno.RuntimeException in
  27     // Module.getUnoExceptionFromCxaException):
  28     if (!(exception instanceof WebAssembly.Exception && exception.is(getCppExceptionTag()))) {
  29         throw exception;
  30     }
  31     const any = Module.getUnoExceptionFromCxaException(
  32         getCppExceptionThrownObjectFromWebAssemblyException(exception));
  33     decrementExceptionRefcount(exception);
  34     return any;
  35 }
  36
  37 Module.unoObject = function(interfaces, obj) {
  38     interfaces = ['com.sun.star.lang.XTypeProvider'].concat(interfaces);
  39     obj.impl_refcount = 0;
  40     obj.queryInterface = function(type) {
  41         for (const i in obj.impl_typemap) {
  42             if (i === type.toString()) {
  43                 const ifc = Module['uno_Type_' + i.replace(/\./g, '$')].reference(
  44                     obj.impl_interfaces[obj.impl_typemap[i]]);
  45                 try {
  46                     return new Module.uno_Any(type, ifc);
  47                 } finally {
  48                     ifc.delete();
  49                 }
  50             }
  51         }
  52         const ty = Module.uno_Type.Void();
  53         const ret = new Module.uno_Any(ty, undefined);
  54         ty.delete();
  55         return ret;
  56     };
  57     obj.acquire = function() { ++obj.impl_refcount; };
  58     obj.release = function() {
  59         if (--obj.impl_refcount === 0) {
  60             for (const i in obj.impl_interfaces) {
  61                 obj.impl_interfaces[i].delete();
  62             }
  63         }
  64     };
  65     obj.getTypes = function() {
  66         const types = new Module.uno_Sequence_type(interfaces.length, Module.uno_Sequence.FromSize);
  67         for (let i = 0; i !== interfaces.length; ++i) {
  68             const type = Module.uno_Type.Interface(interfaces[i]);
  69             types.set(i, type);
  70             type.delete();
  71         }
  72         return types;
  73     };
  74     obj.getImplementationId = function() { return new Module.uno_Sequence_byte([]) };
  75     obj.impl_interfaces = {};
  76     interfaces.forEach((i) => {
  77         obj.impl_interfaces[i] = Module['uno_Type_' + i.replace(/\./g, '$')].implement(obj);
  78     });
  79     obj.impl_typemap = {};
  80     const walk = function(td, impl) {
  81         const name = td.getName();
  82         if (!Object.hasOwn(obj.impl_typemap, name)) {
  83             if (td.getTypeClass() != Module.uno.com.sun.star.uno.TypeClass.INTERFACE) {
  84                 throw new Error('not a UNO interface type: ' + name);
  85             }
  86             obj.impl_typemap[name] = impl;
  87             const itd = Module.uno.com.sun.star.reflection.XInterfaceTypeDescription2.query(td);
  88             const bases = itd.getBaseTypes();
  89             itd.delete();
  90             for (let i = 0; i !== bases.size(); ++i) {
  91                 walk(bases.get(i), impl);
  92             }
  93             bases.delete();
  94         }
  95         td.delete();
  96     };
  97     const ctx = Module.getUnoComponentContext();
  98     const tdmAny = ctx.getValueByName(
  99         '/singletons/com.sun.star.reflection.theTypeDescriptionManager');
 100     ctx.delete();
 101     const ifc = tdmAny.get();
 102     tdmAny.delete();
 103     const tdm = Module.uno.com.sun.star.container.XHierarchicalNameAccess.query(ifc);
 104     ifc.delete();
 105     interfaces.forEach((i) => {
 106         const td = tdm.getByHierarchicalName(i);
 107         const ifc = td.get();
 108         td.delete();
 109         walk(Module.uno.com.sun.star.reflection.XTypeDescription.query(ifc), i);
 110         ifc.delete();
 111     })
 112     tdm.delete();
 113     return Module.uno.com.sun.star.uno.XInterface.reference(
 114         obj.impl_interfaces[obj.impl_typemap['com.sun.star.uno.XInterface']]);
 115 };
 116
 117 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */