Emilio Cobos Álvarez
2223a8bee2
Automatically generated with:
cp dom/.clang-format xpcom/ && mach format xpcom/**.{cpp,h}
Manual changes:
* nsTDependentSubstring.cpp was relying on include order, prevent that
from being changed by clang-format.
* Missing nsAtom.h include from nsGkAtoms.h
* nsWindowsHelpers.h needed to keep the include order
* MemoryPressureLevelMac.h needed mozilla/Attributes.h
Differential Revision: https://phabricator.services.mozilla.com/D311687
78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_MemoryPressureLevelMac_h
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#define mozilla_MemoryPressureLevelMac_h
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#ifdef XP_DARWIN
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# include "mozilla/Attributes.h"
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namespace mozilla {
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// An internal representation of the Mac memory-pressure level constants.
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class MacMemoryPressureLevel {
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public:
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// Order enum values so that higher integer values represent higher
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// memory pressure levels allowing comparison operators to be used.
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enum class Value {
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eUnset,
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eUnexpected,
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eNormal,
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eWarning,
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eCritical,
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};
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MacMemoryPressureLevel() : mValue(Value::eUnset) {}
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MOZ_IMPLICIT MacMemoryPressureLevel(Value aValue) : mValue(aValue) {}
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bool operator==(const Value& aRhsValue) const { return mValue == aRhsValue; }
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bool operator==(const MacMemoryPressureLevel& aRhs) const {
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return mValue == aRhs.mValue;
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}
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// Implement '<' and derive the other comparators from it.
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bool operator<(const MacMemoryPressureLevel& aRhs) const {
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return mValue < aRhs.mValue;
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}
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bool operator>(const MacMemoryPressureLevel& aRhs) const {
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return aRhs < *this;
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}
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bool operator<=(const MacMemoryPressureLevel& aRhs) const {
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return !(aRhs < *this);
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}
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bool operator>=(const MacMemoryPressureLevel& aRhs) const {
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return !(*this < aRhs);
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}
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Value GetValue() { return mValue; }
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bool IsNormal() { return mValue == Value::eNormal; }
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bool IsUnsetOrNormal() { return IsNormal() || (mValue == Value::eUnset); }
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bool IsWarningOrAbove() {
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return (mValue == Value::eWarning) || (mValue == Value::eCritical);
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}
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const char* ToString() {
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switch (mValue) {
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case Value::eUnset:
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return "Unset";
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case Value::eUnexpected:
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return "Unexpected";
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case Value::eNormal:
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return "Normal";
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case Value::eWarning:
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return "Warning";
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case Value::eCritical:
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return "Critical";
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}
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}
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private:
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Value mValue;
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};
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} // namespace mozilla
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#endif
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#endif // mozilla_MemoryPressureLevelMac_h
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