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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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"
interface nsIDOMElement;
interface nsIFrameLoader;
/**
* When a content process hangs, Gecko notifies "process-hang-report" observers
* and passes an nsIHangReport for the subject parameter. There is at most one
* nsIHangReport associated with a given content process. As long as the content
* process stays stuck, the "process-hang-report" observer will continue to be
* notified at regular intervals (approximately once per second). The content
* process will continue to run uninhibitedly during this time.
*/
[scriptable, uuid(5fcffbb9-be62-49b1-b8a1-36e820787a74)]
interface nsIHangReport : nsISupports
{
const unsigned long SLOW_SCRIPT = 1;
const unsigned long PLUGIN_HANG = 2;
// The type of hang being reported: SLOW_SCRIPT or PLUGIN_HANG.
readonly attribute unsigned long hangType;
// For SLOW_SCRIPT reports, these fields contain information about the
// slow script.
// Only valid for SLOW_SCRIPT reports.
readonly attribute nsIDOMElement scriptBrowser;
readonly attribute ACString scriptFileName;
readonly attribute unsigned long scriptLineNo;
// For PLUGIN_HANGs, this field contains information about the plugin.
// Only valid for PLUGIN_HANG reports.
readonly attribute ACString pluginName;
// Called by front end code when user ignores or cancels
// the notification.
void userCanceled();
// Terminate the slow script if it is still running.
// Only valid for SLOW_SCRIPT reports.
void terminateScript();
// Terminate the plugin if it is still hung.
// Only valid for PLUGIN_HANG reports.
void terminatePlugin();
// Ask the content process to start up the slow script debugger.
// Only valid for SLOW_SCRIPT reports.
void beginStartingDebugger();
// Inform the content process that the slow script debugger has finished
// spinning up. The content process will run a nested event loop until this
// method is called.
// Only valid for SLOW_SCRIPT reports.
void endStartingDebugger();
// Inquire whether the report is for a content process loaded by the given
// frameloader.
bool isReportForBrowser(in nsIFrameLoader aFrameLoader);
};
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