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Bug 932698 - hold a wakelock when we receive key events. r=mwu

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This commit is contained in:
Viral Wang 2014-10-17 03:44:00 +02:00
parent f091c53d9b
commit f7a435cd2e
1 changed files with 13 additions and 0 deletions
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13
widget/gonk/nsAppShell.cpp
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@ -22,6 +22,7 @@
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <hardware_legacy/power.h>
#include <signal.h>
#include <sys/epoll.h>
#include <sys/ioctl.h>
@ -100,6 +101,7 @@ static int32_t sMicrophoneState;
// Amount of time in MS before an input is considered expired.
static const uint64_t kInputExpirationThresholdMs = 1000;
static const char kKey_WAKE_LOCK_ID[] = "GeckoKeyEvent";
NS_IMPL_ISUPPORTS_INHERITED(nsAppShell, nsBaseAppShell, nsIObserver)
@ -495,6 +497,7 @@ public:
, mEventHub(aEventHub)
, mKeyDownCount(0)
, mKeyEventsFiltered(false)
, mPowerWakelock(false)
{
mTouchDispatcher = new GeckoTouchDispatcher();
}
@ -545,6 +548,7 @@ private:
int mKeyDownCount;
bool mKeyEventsFiltered;
bool mPowerWakelock;
};
// GeckoInputReaderPolicy
@ -636,6 +640,11 @@ GeckoInputDispatcher::dispatchOnce()
break;
}
}
MutexAutoLock lock(mQueueLock);
if (mPowerWakelock && mEventQueue.empty()) {
release_wake_lock(kKey_WAKE_LOCK_ID);
mPowerWakelock = false;
}
}
void
@ -658,6 +667,10 @@ GeckoInputDispatcher::notifyKey(const NotifyKeyArgs* args)
{
MutexAutoLock lock(mQueueLock);
mEventQueue.push(data);
if (!mPowerWakelock) {
mPowerWakelock =
acquire_wake_lock(PARTIAL_WAKE_LOCK, kKey_WAKE_LOCK_ID);
}
}
gAppShell->NotifyNativeEvent();
}