83 lines
3.3 KiB
Plaintext
83 lines
3.3 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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[ptr] native nsAXPCNativeCallContextPtr(nsAXPCNativeCallContext);
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%{C++
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#include "js/TypeDecls.h"
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class nsAXPCNativeCallContext;
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%}
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[ptr] native JSObjectPtr(JSObject);
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[scriptable, uuid(4f94b21f-2920-4bd9-8251-5fb60fb054b2)]
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interface xpcIJSModuleLoader : nsISupports
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{
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/**
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* To be called from JavaScript only.
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*
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* Synchronously loads and evaluates the js file located at
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* aResourceURI with a new, fully privileged global object.
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*
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* If 'targetObj' is specified and equal to null, returns the
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* module's global object. Otherwise (if 'targetObj' is not
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* specified, or 'targetObj' is != null) looks for a property
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* 'EXPORTED_SYMBOLS' on the new global object. 'EXPORTED_SYMBOLS'
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* is expected to be an array of strings identifying properties on
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* the global object. These properties will be installed as
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* properties on 'targetObj', or, if 'targetObj' is not specified,
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* on the caller's global object. If 'EXPORTED_SYMBOLS' is not
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* found, an error is thrown.
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*
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* @param resourceURI A resource:// URI string to load the module from.
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* @param targetObj the object to install the exported properties on.
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* If this parameter is a primitive value, this method throws
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* an exception.
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* @returns the module code's global object.
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*
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* The implementation maintains a hash of registryLocation->global obj.
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* Subsequent invocations of importModule with 'registryLocation'
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* pointing to the same file will not cause the module to be re-evaluated,
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* but the symbols in EXPORTED_SYMBOLS will be exported into the
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* specified target object and the global object returned as above.
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*
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* (This comment is duplicated to nsIXPCComponents_Utils.)
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*/
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[implicit_jscontext,optional_argc]
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jsval import(in AUTF8String aResourceURI, [optional] in jsval targetObj);
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/**
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* Imports the JS module at aResourceURI to the JS object
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* 'targetObj' (if != null) as described for importModule() and
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* returns the module's global object.
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*/
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[noscript] JSObjectPtr importInto(in AUTF8String aResourceURI,
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in JSObjectPtr targetObj,
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in nsAXPCNativeCallContextPtr cc);
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/**
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* Unloads the JS module at aResourceURI. Existing references to the module
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* will continue to work but any subsequent import of the module will
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* reload it and give new reference. If the JS module hasn't yet been imported
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* then this method will do nothing.
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*/
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void unload(in AUTF8String aResourceURI);
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/**
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* Returns true if the js file located at 'registryLocation' location has
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* been loaded previously via the import method above. Returns false
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* otherwise.
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*
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* @param resourceURI A resource:// URI string representing the location of
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* the js file to be checked if it is already loaded or not.
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* @returns boolean, true if the js file has been loaded via import. false
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* otherwise
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*/
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boolean isModuleLoaded(in AUTF8String aResourceURI);
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};
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