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Log time difference between power button presses for gesture

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Bug: 24304031
Change-Id: Iab755268ee6d5c0c00836a6f68e65a74286074cf
This commit is contained in:
Jorim Jaggi
2015-09-22 14:44:14 -07:00
parent d2b597d1fd
commit 1b68e8b711
1 changed files with 16 additions and 21 deletions
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37
services/core/java/com/android/server/GestureLauncherService.java
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@@ -101,8 +101,7 @@ public class GestureLauncherService extends SystemService {
* Whether camera double tap power button gesture is currently enabled;
*/
private boolean mCameraDoubleTapPowerEnabled;
private long mLastPowerDownWhileNonInteractive;
private long mLastPowerDownWhileInteractive;
private long mLastPowerDown;
public GestureLauncherService(Context context) {
super(context);
@@ -252,35 +251,32 @@ public class GestureLauncherService extends SystemService {
public boolean interceptPowerKeyDown(KeyEvent event, boolean interactive) {
boolean launched = false;
boolean intercept = false;
long doubleTapInterval;
synchronized (this) {
if (!mCameraDoubleTapPowerEnabled) {
mLastPowerDownWhileNonInteractive = 0;
mLastPowerDownWhileInteractive = 0;
return false;
}
if (event.getEventTime() - mLastPowerDownWhileNonInteractive
< CAMERA_POWER_DOUBLE_TAP_TIME_MS) {
launched = true;
intercept = true;
} else if (event.getEventTime() - mLastPowerDownWhileInteractive
< CAMERA_POWER_DOUBLE_TAP_TIME_MS) {
doubleTapInterval = event.getEventTime() - mLastPowerDown;
if (mCameraDoubleTapPowerEnabled
&& doubleTapInterval < CAMERA_POWER_DOUBLE_TAP_TIME_MS) {
launched = true;
intercept = interactive;
}
mLastPowerDownWhileNonInteractive = interactive ? 0 : event.getEventTime();
mLastPowerDownWhileInteractive = interactive ? event.getEventTime() : 0;
mLastPowerDown = event.getEventTime();
}
if (launched) {
Slog.i(TAG, "Power button double tap gesture detected, launching camera.");
launched = handleCameraLaunchGesture(false /* useWakelock */,
MetricsLogger.ACTION_DOUBLE_TAP_POWER_CAMERA_GESTURE);
launched = handleCameraLaunchGesture(false /* useWakelock */);
if (launched) {
MetricsLogger.action(mContext, MetricsLogger.ACTION_DOUBLE_TAP_POWER_CAMERA_GESTURE,
(int) doubleTapInterval);
}
}
MetricsLogger.histogram(mContext, "power_double_tap_interval", (int) doubleTapInterval);
return intercept && launched;
}
/**
* @return true if camera was launched, false otherwise.
*/
private boolean handleCameraLaunchGesture(boolean useWakelock, int logCategory) {
private boolean handleCameraLaunchGesture(boolean useWakelock) {
boolean userSetupComplete = Settings.Secure.getInt(mContext.getContentResolver(),
Settings.Secure.USER_SETUP_COMPLETE, 0) != 0;
if (!userSetupComplete) {
@@ -300,7 +296,6 @@ public class GestureLauncherService extends SystemService {
StatusBarManagerInternal service = LocalServices.getService(
StatusBarManagerInternal.class);
service.onCameraLaunchGestureDetected();
MetricsLogger.action(mContext, logCategory);
return true;
}
@@ -339,8 +334,8 @@ public class GestureLauncherService extends SystemService {
Slog.d(TAG, String.format("Received a camera launch event: " +
"values=[%.4f, %.4f, %.4f].", values[0], values[1], values[2]));
}
if (handleCameraLaunchGesture(true /* useWakelock */,
MetricsLogger.ACTION_WIGGLE_CAMERA_GESTURE)) {
if (handleCameraLaunchGesture(true /* useWakelock */)) {
MetricsLogger.action(mContext, MetricsLogger.ACTION_WIGGLE_CAMERA_GESTURE);
trackCameraLaunchEvent(event);
}
return;