/* * Copyright (C) 2020 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. */ #import "config.h" #import "SystemBattery.h" #import <notify.h> #import <pal/spi/cocoa/IOPSLibSPI.h> namespace WebCore { static Optional<bool> hasBattery; static Optional<bool> hasAC; static Optional<bool> hasBatteryOverrideForTesting; static Optional<bool> hasACOverrideForTesting; void setSystemHasBattery(bool battery) { hasBattery = battery; } bool systemHasBattery() { if (hasBatteryOverrideForTesting) return *hasBatteryOverrideForTesting; if (!hasBattery.hasValue()) { hasBattery = [] { #if PLATFORM(IOS) || PLATFORM(WATCHOS) // Devices running iOS / WatchOS always have a battery. return true; #elif PLATFORM(APPLETV) return false; #else RetainPtr<CFTypeRef> powerSourcesInfo = adoptCF(IOPSCopyPowerSourcesInfo()); if (!powerSourcesInfo) return false; RetainPtr<CFArrayRef> powerSourcesList = adoptCF(IOPSCopyPowerSourcesList(powerSourcesInfo.get())); if (!powerSourcesList) return false; for (CFIndex i = 0, count = CFArrayGetCount(powerSourcesList.get()); i < count; ++i) { CFDictionaryRef description = IOPSGetPowerSourceDescription(powerSourcesInfo.get(), CFArrayGetValueAtIndex(powerSourcesList.get(), i)); CFTypeRef value = CFDictionaryGetValue(description, CFSTR(kIOPSTypeKey)); if (!value || CFEqual(value, CFSTR(kIOPSInternalBatteryType))) return true; } return false; #endif }(); } return *hasBattery; } void resetSystemHasAC() { hasAC.reset(); } void setSystemHasAC(bool ac) { hasAC = ac; } bool systemHasAC() { if (hasACOverrideForTesting) return *hasACOverrideForTesting; if (!hasAC.hasValue()) { hasAC = [] { #if PLATFORM(APPLETV) return true; #else RetainPtr<CFTypeRef> powerSourcesInfo = adoptCF(IOPSCopyPowerSourcesInfo()); if (!powerSourcesInfo) return false; RetainPtr<CFArrayRef> powerSourcesList = adoptCF(IOPSCopyPowerSourcesList(powerSourcesInfo.get())); if (!powerSourcesList) return false; for (CFIndex i = 0, count = CFArrayGetCount(powerSourcesList.get()); i < count; ++i) { CFDictionaryRef description = IOPSGetPowerSourceDescription(powerSourcesInfo.get(), CFArrayGetValueAtIndex(powerSourcesList.get(), i)); if (!description) continue; CFTypeRef value = CFDictionaryGetValue(description, CFSTR(kIOPSPowerSourceStateKey)); if (value && CFEqual(value, CFSTR(kIOPSACPowerValue))) return true; } return false; #endif }(); } return *hasAC; } Optional<bool> cachedSystemHasAC() { return hasAC; } void setOverrideSystemHasBatteryForTesting(Optional<bool>&& hasBattery) { hasBatteryOverrideForTesting = WTFMove(hasBattery); } void setOverrideSystemHasACForTesting(Optional<bool>&& hasAC) { hasACOverrideForTesting = WTFMove(hasAC); } }