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