gecko-dev/js/xpconnect/idl/xpccomponents.idl

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/* -*- Mode: IDL; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
#include "xpcexception.idl"
#include "xpcjsid.idl"
#include "nsIComponentManager.idl"
%{C++
#include "jspubtd.h"
%}
interface xpcIJSWeakReference;
interface nsIClassInfo;
/**
* interface of Components.interfacesByID
* (interesting stuff only reflected into JavaScript)
*/
[scriptable, uuid(c99cffac-5aed-4267-ad2f-f4a4c9d4a081)]
interface nsIXPCComponents_InterfacesByID : nsISupports
{
};
/**
* interface of Components.interfaces
* (interesting stuff only reflected into JavaScript)
*/
[scriptable, uuid(b8c31bba-79db-4a1d-930d-4cdd68713f9e)]
interface nsIXPCComponents_Interfaces : nsISupports
{
};
/**
* interface of Components.classes
* (interesting stuff only reflected into JavaScript)
*/
[scriptable, uuid(978ff520-d26c-11d2-9842-006008962422)]
interface nsIXPCComponents_Classes : nsISupports
{
};
/**
* interface of Components.classesByID
* (interesting stuff only reflected into JavaScript)
*/
[scriptable, uuid(336a9590-4d19-11d3-9893-006008962422)]
interface nsIXPCComponents_ClassesByID : nsISupports
{
};
/**
* interface of Components.results
* (interesting stuff only reflected into JavaScript)
*/
[scriptable, uuid(2fc229a0-5860-11d3-9899-006008962422)]
interface nsIXPCComponents_Results : nsISupports
{
};
/**
* interface of Components.ID
* (interesting stuff only reflected into JavaScript)
*/
[scriptable, uuid(7994a6e0-e028-11d3-8f5d-0010a4e73d9a)]
interface nsIXPCComponents_ID : nsISupports
{
};
/**
* interface of Components.Exception
* (interesting stuff only reflected into JavaScript)
*/
[scriptable, uuid(5bf039c0-e028-11d3-8f5d-0010a4e73d9a)]
interface nsIXPCComponents_Exception : nsISupports
{
};
/**
* interface of Components.Constructor
* (interesting stuff only reflected into JavaScript)
*/
[scriptable, uuid(88655640-e028-11d3-8f5d-0010a4e73d9a)]
interface nsIXPCComponents_Constructor : nsISupports
{
};
/**
* interface of object returned by Components.Constructor
* (additional interesting stuff only reflected into JavaScript)
*/
[scriptable, uuid(c814ca20-e0dc-11d3-8f5f-0010a4e73d9a)]
interface nsIXPCConstructor : nsISupports
{
readonly attribute nsIJSCID classID;
readonly attribute nsIJSIID interfaceID;
readonly attribute string initializer;
};
/**
* interface of object returned by Components.utils.Sandbox.
*/
[scriptable, uuid(4f8ae0dc-d266-4a32-875b-6a9de71a8ce9)]
interface nsIXPCComponents_utils_Sandbox : nsISupports
{
};
/**
* interface for callback to be passed to Cu.schedulePreciseGC
*/
[scriptable, function, uuid(71000535-b0fd-44d1-8ce0-909760e3953c)]
interface ScheduledGCCallback : nsISupports
{
void callback();
};
/**
* interface of Components.utils
*/
[scriptable, uuid(35d5b0e5-9b29-48de-9f79-d2534b497435)]
interface nsIXPCComponents_Utils : nsISupports
{
/* reportError is designed to be called from JavaScript only.
*
* It will report a JS Error object to the JS console, and return. It
* is meant for use in exception handler blocks which want to "eat"
* an exception, but still want to report it to the console.
*
* It must be called with one param, usually an object which was caught by
* an exception handler. If it is not a JS error object, the parameter
* is converted to a string and reported as a new error.
*/
[implicit_jscontext] void reportError(in jsval error);
/* lookupMethod is designed to be called from JavaScript only.
*
* It returns a method looking only at the idl interfaces and
* ignores any overrides or resolvers that might be in place for
* a given scriptable wrapped native.
* It must be called with two params: an object and a method name.
* It returns a function object or throws an exception on error.
* This method exists only to solve mozilla browser problems
* when chrome attempts to lookup and call methods in content
* and *must* not get confused by method properties that have been
* replaced in the content JS code. This method is not recommended for
* any other use.
*/
[implicit_jscontext]
jsval lookupMethod(in jsval obj, in jsval name);
readonly attribute nsIXPCComponents_utils_Sandbox Sandbox;
/*
* evalInSandbox is designed to be called from JavaScript only.
*
* evalInSandbox evaluates the provided source string in the given sandbox.
* It returns the result of the evaluation to the caller.
*
* var s = new C.u.Sandbox("http://www.mozilla.org");
* var res = C.u.evalInSandbox("var five = 5; 2 + five", s);
* var outerFive = s.five;
* s.seven = res;
* var thirtyFive = C.u.evalInSandbox("five * seven", s);
*/
[implicit_jscontext,optional_argc]
jsval evalInSandbox(in AString source, in jsval sandbox,
[optional] in jsval version,
[optional] in jsval filename,
[optional] in long lineNo);
/*
* import is designed to be called from JavaScript only.
*
* Synchronously loads and evaluates the js file located at
* 'registryLocation' with a new, fully privileged global object.
*
* If 'targetObj' is specified and equal to null, returns the
* module's global object. Otherwise (if 'targetObj' is not
* specified, or 'targetObj' is != null) looks for a property
* 'EXPORTED_SYMBOLS' on the new global object. 'EXPORTED_SYMBOLS'
* is expected to be an array of strings identifying properties on
* the global object. These properties will be installed as
* properties on 'targetObj', or, if 'targetObj' is not specified,
* on the caller's global object. If 'EXPORTED_SYMBOLS' is not
* found, an error is thrown.
*
* @param resourceURI A resource:// URI string to load the module from.
* @param targetObj the object to install the exported properties on.
* If this parameter is a primitive value, this method throws
* an exception.
* @returns the module code's global object.
*
* The implementation maintains a hash of registryLocation->global obj.
* Subsequent invocations of importModule with 'registryLocation'
* pointing to the same file will not cause the module to be re-evaluated,
* but the symbols in EXPORTED_SYMBOLS will be exported into the
* specified target object and the global object returned as above.
*
* (This comment is duplicated from xpcIJSModuleLoader.)
*/
[implicit_jscontext,optional_argc]
jsval import(in AUTF8String aResourceURI, [optional] in jsval targetObj);
/*
* Unloads the JS module at 'registryLocation'. Existing references to the
* module will continue to work but any subsequent import of the module will
* reload it and give new reference. If the JS module hasn't yet been
* imported then this method will do nothing.
*
* @param resourceURI A resource:// URI string to unload the module from.
*/
void unload(in AUTF8String registryLocation);
/*
* To be called from JS only.
*
* Return a weak reference for the given JS object.
*/
[implicit_jscontext]
xpcIJSWeakReference getWeakReference(in jsval obj);
/*
* To be called from JS only.
*
* Force an immediate garbage collection cycle.
*/
void forceGC();
/*
* To be called from JS only.
*
* Force an immediate cycle collection cycle.
*/
void forceCC();
/*
* To be called from JS only.
*
* Force an immediate shrinking garbage collection cycle.
*/
void forceShrinkingGC();
/*
* Schedule a garbage collection cycle for a point in the future when no JS
* is running. Call the provided function once this has occurred.
*/
void schedulePreciseGC(in ScheduledGCCallback callback);
/*
* Schedule a shrinking garbage collection cycle for a point in the future
* when no JS is running. Call the provided function once this has occured.
*/
void schedulePreciseShrinkingGC(in ScheduledGCCallback callback);
/**
* Return the keys in a weak map. This operation is
* non-deterministic because it is affected by the scheduling of the
* garbage collector and the cycle collector.
*
* This should only be used to write tests of the interaction of
* the GC and CC with weak maps.
*
* @param aMap weak map or other JavaScript value
* @returns If aMap is a weak map object, return the keys of the weak
map as an array. Otherwise, return undefined.
*/
[implicit_jscontext]
jsval nondeterministicGetWeakMapKeys(in jsval aMap);
[implicit_jscontext]
jsval getJSTestingFunctions();
/*
* To be called from JS only.
*
* Returns the global object with which the given object is associated.
*
* @param obj The JavaScript object whose global is to be gotten.
* @return the corresponding global.
*/
[implicit_jscontext]
jsval getGlobalForObject(in jsval obj);
/*
* To be called from JS only.
*
* Returns an object created in |vobj|'s compartment.
*/
[implicit_jscontext]
jsval createObjectIn(in jsval vobj);
/*
* To be called from JS only.
*
* Returns an array created in |vobj|'s compartment.
*/
[implicit_jscontext]
jsval createArrayIn(in jsval vobj);
/*
* To be called from JS only.
*
* Returns a date given timestamp |msec| created in |vobj|'s compartment.
*/
[implicit_jscontext]
jsval createDateIn(in jsval vobj, in long long msec);
/*
* To be called from JS only.
*
* Ensures that all functions come from vobj's scope (and aren't cross
* compartment wrappers).
*/
[implicit_jscontext]
void makeObjectPropsNormal(in jsval vobj);
/**
* Determines whether this object is backed by a DeadObjectProxy.
*
* Dead-wrapper objects hold no other objects alive (they have no outgoing
* reference edges) and will throw if you touch them (e.g. by
* reading/writing a property).
*/
bool isDeadWrapper(in jsval obj);
/*
* To be called from JS only. This is for Gecko internal use only, and may
* disappear at any moment.
*
* Forces a recomputation of all wrappers in and out of the compartment
* containing |vobj|. If |vobj| is not an object, all wrappers system-wide
* are recomputed.
*/
[implicit_jscontext]
void recomputeWrappers([optional] in jsval vobj);
/*
* To be called from JS only. This is for Gecko internal use only, and may
* disappear at any moment.
*
* Enables Xray vision for same-compartment access for the compartment
* indicated by |vscope|. All outgoing wrappers are recomputed.
*/
[implicit_jscontext]
void setWantXrays(in jsval vscope);
/*
* This seemingly-paradoxical API allows privileged code to explicitly give
* unprivileged code a reference to its own Components object (whereas it's
* normally hidden away on a scope chain visible only to XBL methods). See
* also SpecialPowers.getComponents.
*/
[implicit_jscontext]
jsval getComponentsForScope(in jsval vscope);
/*
* Dispatches a runnable to the current/main thread. If |scope| is passed,
* the runnable will be dispatch in the compartment of |scope|, which
* affects which error reporter gets called.
*/
[implicit_jscontext]
void dispatch(in jsval runnable, [optional] in jsval scope);
/*
* To be called from JS only.
*
* These are the set of JSContext options that privileged script
* is allowed to control for the purposes of testing. These
* options should be kept in sync with what's controllable in the
* jsshell and by setting prefs in nsJSEnvironment.
*
* NB: Assume that getting any of these attributes is relatively
* cheap, but setting any of them is relatively expensive.
*/
[implicit_jscontext]
attribute boolean strict;
[implicit_jscontext]
attribute boolean werror;
[implicit_jscontext]
attribute boolean strict_mode;
[implicit_jscontext]
attribute boolean ion;
[implicit_jscontext]
void setGCZeal(in long zeal);
[implicit_jscontext]
void nukeSandbox(in jsval obj);
/**
* Check whether the given object is an XrayWrapper.
*/
bool isXrayWrapper(in jsval obj);
/**
* Waive Xray on a given value. Identity op for primitives.
*/
[implicit_jscontext]
jsval waiveXrays(in jsval aVal);
/**
* Strip off Xray waivers on a given value. Identity op for primitives.
*/
[implicit_jscontext]
jsval unwaiveXrays(in jsval aVal);
/**
* Gets the name of the JSClass of the object.
*
* if |aUnwrap| is true, all wrappers are unwrapped first. Unless you're
* specifically trying to detect whether the object is a proxy, this is
* probably what you want.
*/
[implicit_jscontext]
string getClassName(in jsval aObj, in bool aUnwrap);
/**
* Get a DOM classinfo for the given classname. Only some class
* names are supported.
*/
nsIClassInfo getDOMClassInfo(in AString aClassName);
/**
* Retrieve the last time, in microseconds since epoch, that a given
* watchdog-related event occured.
*
* Valid categories:
* "RuntimeStateChange" - Runtime switching between active and inactive states
* "WatchdogWakeup" - Watchdog waking up from sleeping
* "WatchdogHibernateStart" - Watchdog begins hibernating
* "WatchdogHibernateStop" - Watchdog stops hibernating
*/
PRTime getWatchdogTimestamp(in AString aCategory);
};
/**
* interface of JavaScript's 'Components' object
*/
[scriptable, uuid(8406dedb-23cc-42db-9f69-1f18785091b5)]
interface nsIXPCComponents : nsISupports
{
readonly attribute nsIXPCComponents_Interfaces interfaces;
readonly attribute nsIXPCComponents_InterfacesByID interfacesByID;
readonly attribute nsIXPCComponents_Classes classes;
readonly attribute nsIXPCComponents_ClassesByID classesByID;
readonly attribute nsIStackFrame stack;
readonly attribute nsIXPCComponents_Results results;
readonly attribute nsIComponentManager manager;
readonly attribute nsIXPCComponents_Utils utils;
readonly attribute nsIXPCComponents_ID ID;
readonly attribute nsIXPCComponents_Exception Exception;
readonly attribute nsIXPCComponents_Constructor Constructor;
boolean isSuccessCode(in nsresult result);
/* @deprecated Use Components.utils.lookupMethod instead.
* (But are you sure you really want this method any more?
* See http://developer-test.mozilla.org/en/docs/XPCNativeWrapper )
*/
[deprecated,implicit_jscontext]
jsval lookupMethod(in jsval obj, in jsval name);
/* @deprecated Use Components.utils.reportError instead. */
[deprecated, implicit_jscontext] void reportError(in jsval error);
/* 'lastResult' is accessible via JavaScript only */
/* 'returnCode' is accessible via JavaScript only */
};