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4b3635c0bb
Move major DevTools files to new directories using the following steps: hg mv browser/devtools devtools/client hg mv toolkit/devtools/server devtools/server hg mv toolkit/devtools devtools/shared No other changes are made.
76 lines
3.1 KiB
Plaintext
76 lines
3.1 KiB
Plaintext
/* 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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/**
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* Utilities for running nested event loops, asking them to return, and
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* keeping track of which ones are still running.
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*/
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[scriptable, uuid(6758d0d7-e96a-4c5c-bca8-3bcbe5a15943)]
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interface nsIJSInspector : nsISupports
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{
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/**
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* Process the current thread's event queue, calling event handlers until
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* a call to exitNestedEventLoop, below, asks us to return.
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*
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* The name 'enterNestedEventLoop' may be misleading if read too literally.
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* This method loops calling event handlers until one asks it to stop, and
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* then returns. So by that point, the nested event loop has been not only
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* entered, but also run and exited.
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*
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* When enterNestedEventLoop calls an event handler, that handler may itself
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* call enterNestedEventLoop, and so on, so that there may be arbitrarily
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* many such calls on the stack at the same time.
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*
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* We say an enterNestedEventLoop call is "running" if it has not yet been
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* asked to return, or "stopped" if it has been asked to return once it has
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* finished processing the current event.
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*
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* @param requestor A token of the caller's choice to identify this event
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* loop.
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*
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* @return depth The number of running enterNestedEventLoop calls
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* remaining, now that this one has returned.
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*
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* (Note that not all calls still on the stack are
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* necessary running; exitNestedEventLoop can ask any
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* number of enterNestedEventLoop calls to return.)
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*/
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unsigned long enterNestedEventLoop(in jsval requestor);
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/**
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* Stop the youngest running enterNestedEventLoop call, asking it to return
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* once it has finished processing the current event.
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*
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* The name 'exitNestedEventLoop' may be misleading if read too literally.
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* The affected event loop does not return immediately when this method is
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* called. Rather, this method simply returns to its caller; the affected
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* loop's current event handler is allowed to run to completion; and then
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* that loop returns without processing any more events.
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*
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* This method ignores loops that have already been stopped, and operates on
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* the youngest loop that is still running. Each call to this method stops
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* another running loop.
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*
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* @return depth The number of running enterNestedEventLoop calls
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* remaining, now that one has been stopped.
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*
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* @throws NS_ERROR_FAILURE if there are no running enterNestedEventLoop calls.
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*/
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unsigned long exitNestedEventLoop();
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/**
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* The number of running enterNestedEventLoop calls on the stack.
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* This count does not include stopped enterNestedEventLoop calls.
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*/
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readonly attribute unsigned long eventLoopNestLevel;
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/**
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* The |requestor| value that was passed to the youngest running
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* enterNestedEventLoop call.
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*/
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readonly attribute jsval lastNestRequestor;
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};
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