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/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
WI.Instrument = class Instrument
{
// Static
static createForTimelineType(type)
{
switch (type) {
case WI.TimelineRecord.Type.Network:
return new WI.NetworkInstrument;
case WI.TimelineRecord.Type.Layout:
return new WI.LayoutInstrument;
case WI.TimelineRecord.Type.Script:
return new WI.ScriptInstrument;
case WI.TimelineRecord.Type.RenderingFrame:
return new WI.FPSInstrument;
case WI.TimelineRecord.Type.CPU:
return new WI.CPUInstrument;
case WI.TimelineRecord.Type.Memory:
return new WI.MemoryInstrument;
case WI.TimelineRecord.Type.HeapAllocations:
return new WI.HeapAllocationsInstrument;
case WI.TimelineRecord.Type.Media:
return new WI.MediaInstrument;
case WI.TimelineRecord.Type.Screenshots:
return new WI.ScreenshotsInstrument;
default:
console.error("Unknown TimelineRecord.Type: " + type);
return null;
}
}
static startLegacyTimelineAgent(initiatedByBackend)
{
console.assert(WI.timelineManager._enabled);
if (WI.Instrument._legacyTimelineAgentStarted)
return;
WI.Instrument._legacyTimelineAgentStarted = true;
if (initiatedByBackend)
return;
for (let target of WI.targets) {
if (target.type === WI.TargetType.Worker && !WI.settings.experimentalEnableWorkerTimelineRecording.value)
continue;
if (target.hasDomain("Timeline"))
target.TimelineAgent.start();
}
}
static stopLegacyTimelineAgent(initiatedByBackend)
{
console.assert(WI.timelineManager._enabled);
if (!WI.Instrument._legacyTimelineAgentStarted)
return;
WI.Instrument._legacyTimelineAgentStarted = false;
if (initiatedByBackend)
return;
for (let target of WI.targets) {
if (target.type === WI.TargetType.Worker && !WI.settings.experimentalEnableWorkerTimelineRecording.value)
continue;
if (target.hasDomain("Timeline"))
target.TimelineAgent.stop();
}
}
// Protected
get timelineRecordType()
{
return null; // Implemented by subclasses.
}
startInstrumentation(initiatedByBackend)
{
WI.Instrument.startLegacyTimelineAgent(initiatedByBackend);
}
stopInstrumentation(initiatedByBackend)
{
WI.Instrument.stopLegacyTimelineAgent(initiatedByBackend);
}
};
WI.Instrument._legacyTimelineAgentStarted = false;
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