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/* -*- Mode: IDL; 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/.
*/
/*
* This file declares data structures used to communicate checkerboard reports
* from C++ code to about:checkerboard (see bug 1238042). These dictionaries
* are NOT exposed to standard web content.
*/
enum CheckerboardReason {
"severe",
"recent"
};
// Individual checkerboard report. Contains fields for the severity of the
// checkerboard event, the timestamp at which it was reported, the detailed
// log of the event, and the reason this report was saved (currently either
// "severe" or "recent").
dictionary CheckerboardReport {
unsigned long severity;
DOMTimeStamp timestamp; // milliseconds since epoch
DOMString log;
CheckerboardReason reason;
};
// The guard function only allows creation of this interface on the
// about:checkerboard page, and only if it's in the parent process.
[Func="mozilla::dom::CheckerboardReportService::IsEnabled",
Exposed=Window]
interface CheckerboardReportService {
constructor();
/**
* Gets the available checkerboard reports.
*/
sequence<CheckerboardReport> getReports();
/**
* Gets the state of the apz.record_checkerboarding pref.
*/
boolean isRecordingEnabled();
/**
* Sets the state of the apz.record_checkerboarding pref.
*/
undefined setRecordingEnabled(boolean aEnabled);
/**
* Flush any in-progress checkerboard reports. Since this happens
* asynchronously, the caller may register an observer with the observer
* service to be notified when this operation is complete. The observer should
* listen for the topic "APZ:FlushActiveCheckerboard:Done". Upon receiving
* this notification, the caller may call getReports() to obtain the flushed
* reports, along with any other reports that are available.
*/
undefined flushActiveReports();
};
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