Andrew Zambazos
101 lines
2.8 KiB
JavaScript
101 lines
2.8 KiB
JavaScript
/*
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* Copyright (C) 2016 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.MemoryManager = class MemoryManager extends WI.Object
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{
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constructor()
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{
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super();
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this._enabled = false;
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}
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// Agent
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get domains() { return ["Memory"]; }
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activateExtraDomain(domain)
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{
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// COMPATIBILITY (iOS 14.0): Inspector.activateExtraDomains was removed in favor of a declared debuggable type
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console.assert(domain === "Memory");
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for (let target of WI.targets)
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this.initializeTarget(target);
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}
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// Target
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initializeTarget(target)
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{
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if (!this._enabled)
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return;
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if (target.hasDomain("Memory"))
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target.MemoryAgent.enable();
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}
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// Public
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enable()
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{
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if (this._enabled)
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return;
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this._enabled = true;
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for (let target of WI.targets)
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this.initializeTarget(target);
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}
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disable()
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{
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if (!this._enabled)
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return;
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for (let target of WI.targets) {
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if (target.hasDomain("Memory"))
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target.MemoryAgent.disable();
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}
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this._enabled = false;
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}
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// MemoryObserver
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memoryPressure(timestamp, protocolSeverity)
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{
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if (!this._enabled)
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return;
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let memoryPressureEvent = WI.MemoryPressureEvent.fromPayload(timestamp, protocolSeverity);
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this.dispatchEventToListeners(WI.MemoryManager.Event.MemoryPressure, {memoryPressureEvent});
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}
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};
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WI.MemoryManager.Event = {
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MemoryPressure: "memory-manager-memory-pressure",
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};
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