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package com.android.launcher3.logging;
import static com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType.DEFAULT_CONTAINERTYPE;
import android.view.View;
import android.view.ViewParent;
import com.android.launcher3.ItemInfo;
import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
import androidx.annotation.Nullable;
public class StatsLogUtils {
// Defined in android.stats.launcher.nano
// As they cannot be linked in this file, defining again.
public final static int LAUNCHER_STATE_BACKGROUND = 0;
public final static int LAUNCHER_STATE_HOME = 1;
public final static int LAUNCHER_STATE_OVERVIEW = 2;
public final static int LAUNCHER_STATE_ALLAPPS = 3;
private final static int MAXIMUM_VIEW_HIERARCHY_LEVEL = 5;
public interface LogStateProvider {
int getCurrentState();
}
/**
* Implemented by containers to provide a container source for a given child.
*
* Currently,
*/
public interface LogContainerProvider {
/**
* Copies data from the source to the destination proto.
*
* @param v source of the data
* @param info source of the data
* @param target dest of the data
* @param targetParent dest of the data
*/
void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent);
}
/**
* Recursively finds the parent of the given child which implements IconLogInfoProvider
*/
public static LogContainerProvider getLaunchProviderRecursive(@Nullable View v) {
ViewParent parent;
if (v != null) {
parent = v.getParent();
} else {
return null;
}
// Optimization to only check up to 5 parents.
int count = MAXIMUM_VIEW_HIERARCHY_LEVEL;
while (parent != null && count-- > 0) {
if (parent instanceof LogContainerProvider) {
return (LogContainerProvider) parent;
} else {
parent = parent.getParent();
}
}
return null;
}
public static int getContainerTypeFromState(int state) {
int containerType = DEFAULT_CONTAINERTYPE;
switch (state) {
case StatsLogUtils.LAUNCHER_STATE_ALLAPPS:
containerType = ContainerType.ALLAPPS;
break;
case StatsLogUtils.LAUNCHER_STATE_HOME:
containerType = ContainerType.WORKSPACE;
break;
case StatsLogUtils.LAUNCHER_STATE_OVERVIEW:
containerType = ContainerType.OVERVIEW;
break;
}
return containerType;
}
}
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