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-rw-r--r--hal/cocoa/CocoaBattery.cpp325
1 files changed, 0 insertions, 325 deletions
diff --git a/hal/cocoa/CocoaBattery.cpp b/hal/cocoa/CocoaBattery.cpp
deleted file mode 100644
index 6f1b7b1dca..0000000000
--- a/hal/cocoa/CocoaBattery.cpp
+++ /dev/null
@@ -1,325 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim set: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#import <CoreFoundation/CoreFoundation.h>
-#import <IOKit/ps/IOPowerSources.h>
-#import <IOKit/ps/IOPSKeys.h>
-
-#include <mozilla/Hal.h>
-#include <mozilla/dom/battery/Constants.h>
-#include <mozilla/Services.h>
-
-#include <nsIObserverService.h>
-#include <nsIObserver.h>
-
-#include <dlfcn.h>
-
-#define IOKIT_FRAMEWORK_PATH "/System/Library/Frameworks/IOKit.framework/IOKit"
-
-#ifndef kIOPSTimeRemainingUnknown
- #define kIOPSTimeRemainingUnknown ((CFTimeInterval)-1.0)
-#endif
-#ifndef kIOPSTimeRemainingUnlimited
- #define kIOPSTimeRemainingUnlimited ((CFTimeInterval)-2.0)
-#endif
-
-using namespace mozilla::dom::battery;
-
-namespace mozilla {
-namespace hal_impl {
-
-typedef CFTimeInterval (*IOPSGetTimeRemainingEstimateFunc)(void);
-
-class MacPowerInformationService
-{
-public:
- static MacPowerInformationService* GetInstance();
- static void Shutdown();
- static bool IsShuttingDown();
-
- void BeginListening();
- void StopListening();
-
- static void HandleChange(void *aContext);
-
- ~MacPowerInformationService();
-
-private:
- MacPowerInformationService();
-
- // The reference to the runloop that is notified of power changes.
- CFRunLoopSourceRef mRunLoopSource;
-
- double mLevel;
- bool mCharging;
- double mRemainingTime;
- bool mShouldNotify;
-
- friend void GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo);
-
- static MacPowerInformationService* sInstance;
- static bool sShuttingDown;
-
- static void* sIOKitFramework;
- static IOPSGetTimeRemainingEstimateFunc sIOPSGetTimeRemainingEstimate;
-};
-
-void* MacPowerInformationService::sIOKitFramework;
-IOPSGetTimeRemainingEstimateFunc MacPowerInformationService::sIOPSGetTimeRemainingEstimate;
-
-/*
- * Implementation of mozilla::hal_impl::EnableBatteryNotifications,
- * mozilla::hal_impl::DisableBatteryNotifications,
- * and mozilla::hal_impl::GetCurrentBatteryInformation.
- */
-
-void
-EnableBatteryNotifications()
-{
- if (!MacPowerInformationService::IsShuttingDown()) {
- MacPowerInformationService::GetInstance()->BeginListening();
- }
-}
-
-void
-DisableBatteryNotifications()
-{
- if (!MacPowerInformationService::IsShuttingDown()) {
- MacPowerInformationService::GetInstance()->StopListening();
- }
-}
-
-void
-GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo)
-{
- MacPowerInformationService* powerService = MacPowerInformationService::GetInstance();
-
- aBatteryInfo->level() = powerService->mLevel;
- aBatteryInfo->charging() = powerService->mCharging;
- aBatteryInfo->remainingTime() = powerService->mRemainingTime;
-}
-
-bool MacPowerInformationService::sShuttingDown = false;
-
-/*
- * Following is the implementation of MacPowerInformationService.
- */
-
-MacPowerInformationService* MacPowerInformationService::sInstance = nullptr;
-
-namespace {
-struct SingletonDestroyer final : public nsIObserver
-{
- NS_DECL_ISUPPORTS
- NS_DECL_NSIOBSERVER
-
-private:
- ~SingletonDestroyer() {}
-};
-
-NS_IMPL_ISUPPORTS(SingletonDestroyer, nsIObserver)
-
-NS_IMETHODIMP
-SingletonDestroyer::Observe(nsISupports*, const char* aTopic, const char16_t*)
-{
- MOZ_ASSERT(!strcmp(aTopic, "xpcom-shutdown"));
- MacPowerInformationService::Shutdown();
- return NS_OK;
-}
-} // namespace
-
-/* static */ MacPowerInformationService*
-MacPowerInformationService::GetInstance()
-{
- if (sInstance) {
- return sInstance;
- }
-
- sInstance = new MacPowerInformationService();
-
- nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
- if (obs) {
- obs->AddObserver(new SingletonDestroyer(), "xpcom-shutdown", false);
- }
-
- return sInstance;
-}
-
-bool
-MacPowerInformationService::IsShuttingDown()
-{
- return sShuttingDown;
-}
-
-void
-MacPowerInformationService::Shutdown()
-{
- sShuttingDown = true;
- delete sInstance;
- sInstance = nullptr;
-}
-
-MacPowerInformationService::MacPowerInformationService()
- : mRunLoopSource(nullptr)
- , mLevel(kDefaultLevel)
- , mCharging(kDefaultCharging)
- , mRemainingTime(kDefaultRemainingTime)
- , mShouldNotify(false)
-{
- // IOPSGetTimeRemainingEstimate (and the related constants) are only available
- // on 10.7, so we test for their presence at runtime.
- sIOKitFramework = dlopen(IOKIT_FRAMEWORK_PATH, RTLD_LAZY | RTLD_LOCAL);
- if (sIOKitFramework) {
- sIOPSGetTimeRemainingEstimate =
- (IOPSGetTimeRemainingEstimateFunc)dlsym(sIOKitFramework, "IOPSGetTimeRemainingEstimate");
- } else {
- sIOPSGetTimeRemainingEstimate = nullptr;
- }
-}
-
-MacPowerInformationService::~MacPowerInformationService()
-{
- MOZ_ASSERT(!mRunLoopSource,
- "The observers have not been correctly removed! "
- "(StopListening should have been called)");
-
- if (sIOKitFramework) {
- dlclose(sIOKitFramework);
- }
-}
-
-void
-MacPowerInformationService::BeginListening()
-{
- // Set ourselves up to be notified about changes.
- MOZ_ASSERT(!mRunLoopSource, "IOPS Notification Loop Source already set up. "
- "(StopListening should have been called)");
-
- mRunLoopSource = ::IOPSNotificationCreateRunLoopSource(HandleChange, this);
- if (mRunLoopSource) {
- ::CFRunLoopAddSource(::CFRunLoopGetCurrent(), mRunLoopSource,
- kCFRunLoopDefaultMode);
-
- // Invoke our callback now so we have data if GetCurrentBatteryInformation is
- // called before a change happens.
- HandleChange(this);
- mShouldNotify = true;
- }
-}
-
-void
-MacPowerInformationService::StopListening()
-{
- MOZ_ASSERT(mRunLoopSource, "IOPS Notification Loop Source not set up. "
- "(StopListening without BeginListening)");
-
- ::CFRunLoopRemoveSource(::CFRunLoopGetCurrent(), mRunLoopSource,
- kCFRunLoopDefaultMode);
- mRunLoopSource = nullptr;
-}
-
-void
-MacPowerInformationService::HandleChange(void* aContext) {
- MacPowerInformationService* power =
- static_cast<MacPowerInformationService*>(aContext);
-
- CFTypeRef data = ::IOPSCopyPowerSourcesInfo();
- if (!data) {
- ::CFRelease(data);
- return;
- }
-
- // Get the list of power sources.
- CFArrayRef list = ::IOPSCopyPowerSourcesList(data);
- if (!list) {
- ::CFRelease(list);
- return;
- }
-
- // Default values. These will be used if there are 0 sources or we can't find
- // better information.
- double level = kDefaultLevel;
- double charging = kDefaultCharging;
- double remainingTime = kDefaultRemainingTime;
-
- // Look for the first battery power source to give us the information we need.
- // Usually there's only 1 available, depending on current power source.
- for (CFIndex i = 0; i < ::CFArrayGetCount(list); ++i) {
- CFTypeRef source = ::CFArrayGetValueAtIndex(list, i);
- CFDictionaryRef currPowerSourceDesc = ::IOPSGetPowerSourceDescription(data, source);
- if (!currPowerSourceDesc) {
- continue;
- }
-
- // Get a battery level estimate. This key is required.
- int currentCapacity = 0;
- const void* cfRef = ::CFDictionaryGetValue(currPowerSourceDesc, CFSTR(kIOPSCurrentCapacityKey));
- ::CFNumberGetValue((CFNumberRef)cfRef, kCFNumberSInt32Type, &currentCapacity);
-
- // This key is also required.
- int maxCapacity = 0;
- cfRef = ::CFDictionaryGetValue(currPowerSourceDesc, CFSTR(kIOPSMaxCapacityKey));
- ::CFNumberGetValue((CFNumberRef)cfRef, kCFNumberSInt32Type, &maxCapacity);
-
- if (maxCapacity > 0) {
- level = static_cast<double>(currentCapacity)/static_cast<double>(maxCapacity);
- }
-
- // Find out if we're charging.
- // This key is optional, we fallback to kDefaultCharging if the current power
- // source doesn't have that info.
- if(::CFDictionaryGetValueIfPresent(currPowerSourceDesc, CFSTR(kIOPSIsChargingKey), &cfRef)) {
- charging = ::CFBooleanGetValue((CFBooleanRef)cfRef);
-
- // Get an estimate of how long it's going to take until we're fully charged.
- // This key is optional.
- if (charging) {
- // Default value that will be changed if we happen to find the actual
- // remaining time.
- remainingTime = level == 1.0 ? kDefaultRemainingTime : kUnknownRemainingTime;
-
- if (::CFDictionaryGetValueIfPresent(currPowerSourceDesc,
- CFSTR(kIOPSTimeToFullChargeKey), &cfRef)) {
- int timeToCharge;
- ::CFNumberGetValue((CFNumberRef)cfRef, kCFNumberIntType, &timeToCharge);
- if (timeToCharge != kIOPSTimeRemainingUnknown) {
- remainingTime = timeToCharge*60;
- }
- }
- } else if (sIOPSGetTimeRemainingEstimate) { // not charging
- // See if we can get a time estimate.
- CFTimeInterval estimate = sIOPSGetTimeRemainingEstimate();
- if (estimate == kIOPSTimeRemainingUnlimited || estimate == kIOPSTimeRemainingUnknown) {
- remainingTime = kUnknownRemainingTime;
- } else {
- remainingTime = estimate;
- }
- }
- }
-
- break;
- }
-
- bool isNewData = level != power->mLevel || charging != power->mCharging ||
- remainingTime != power->mRemainingTime;
-
- power->mRemainingTime = remainingTime;
- power->mCharging = charging;
- power->mLevel = level;
-
- // Notify the observers if stuff changed.
- if (power->mShouldNotify && isNewData) {
- hal::NotifyBatteryChange(hal::BatteryInformation(power->mLevel,
- power->mCharging,
- power->mRemainingTime));
- }
-
- ::CFRelease(data);
- ::CFRelease(list);
-}
-
-} // namespace hal_impl
-} // namespace mozilla
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