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Back out a28cd2a8b397 (bug 992105) for Windows build bustage

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This commit is contained in:
Phil Ringnalda 2014-04-07 22:42:19 -07:00
parent c19f345e42
commit d165933740
1 changed files with 5 additions and 24 deletions
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29
widget/windows/nsAppShell.cpp
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@ -18,7 +18,6 @@
#include "nsIDOMWakeLockListener.h"
#include "nsIPowerManagerService.h"
#include "mozilla/StaticPtr.h"
#include "nsTHashtable.h"
#include "GeckoProfiler.h"
using namespace mozilla;
@ -33,33 +32,15 @@ public:
private:
NS_IMETHOD Callback(const nsAString& aTopic, const nsAString& aState) {
bool isLocked = mLockedTopics.Contains(aTopic);
bool shouldLock = aState.Equals(NS_LITERAL_STRING("locked-foreground"));
if (isLocked == shouldLock) {
return NS_OK;
}
if (shouldLock) {
if (!mLockedTopics.Count()) {
// This is the first topic to request the screen saver be disabled.
// Prevent screen saver.
SetThreadExecutionState(ES_DISPLAY_REQUIRED|ES_CONTINUOUS);
}
mLockedTopics.PutEntry(aTopic);
if (aState.Equals(NS_LITERAL_STRING("locked-foreground"))) {
// Prevent screen saver.
SetThreadExecutionState(ES_DISPLAY_REQUIRED|ES_CONTINUOUS);
} else {
mLockedTopics.RemoveEntry(aTopic);
if (!mLockedTopics.Count()) {
// No other outstanding topics have requested screen saver be disabled.
// Re-enable screen saver.
SetThreadExecutionState(ES_CONTINUOUS);
}
// Re-enable screen saver.
SetThreadExecutionState(ES_CONTINUOUS);
}
return NS_OK;
}
// Keep track of all the topics that have requested a wake lock. When the
// number of topics in the hashtable reaches zero, we can uninhibit the
// screensaver again.
nsTHashtable<nsStringHashKey> mLockedTopics;
};
NS_IMPL_ISUPPORTS1(WinWakeLockListener, nsIDOMMozWakeLockListener)