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use WeakReference rather than hashCode to associate menu with its strings

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This commit is contained in:
Eric House 2014-05-15 06:37:03 -07:00
parent 5364f31da0
commit 6ce47f8208
1 changed files with 38 additions and 17 deletions
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55
xwords4/android/XWords4/src/org/eehouse/android/xw4/loc/LocUtils.java
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@ -43,6 +43,8 @@ import android.widget.Spinner;
import android.widget.SpinnerAdapter;
import android.widget.TextView;
import java.lang.ref.WeakReference;
import java.util.HashMap;
import java.util.HashSet;
import java.util.IllegalFormatConversionException;
@ -50,6 +52,7 @@ import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -75,9 +78,9 @@ public class LocUtils {
private static Boolean s_enabled = null;
private static Boolean UPPER_CASE = false;
private static String s_curLocale;
private static int s_latestMenuCode = 0;
private static HashMap<Integer, HashSet<String> > s_menuSets
= new HashMap<Integer, HashSet<String> >();
private static WeakReference<Menu> s_latestMenuRef;
private static HashMap<WeakReference<Menu>, HashSet<String> > s_menuSets
= new HashMap<WeakReference<Menu>, HashSet<String> >();
public interface LocIface {
void setText( CharSequence text );
@ -143,9 +146,9 @@ public class LocUtils {
public static void xlateMenu( Activity activity, Menu menu )
{
int rootID = menu.hashCode();
DbgUtils.logf( "got rootID %x for menu", rootID );
xlateMenu( activity, rootID, menu, 0 );
pareMenus();
xlateMenu( activity, new WeakReference<Menu>( menu ), menu, 0 );
}
private static String xlateString( Context context, CharSequence str )
@ -374,7 +377,8 @@ public class LocUtils {
return result;
}
private static void xlateMenu( final Activity activity, final int rootID,
private static void xlateMenu( final Activity activity,
final WeakReference<Menu> rootRef,
Menu menu, int depth )
{
int count = menu.size();
@ -384,7 +388,7 @@ public class LocUtils {
if ( null != ts ) {
String title = ts.toString();
if ( LocIDs.getS_MAP( activity ).containsKey(title) ) {
associateMenuString( rootID, title );
associateMenuString( rootRef, title );
title = xlateString( activity, title );
item.setTitle( title );
@ -392,17 +396,20 @@ public class LocUtils {
}
if ( item.hasSubMenu() ) {
xlateMenu( activity, rootID, item.getSubMenu(), 1 + depth );
xlateMenu( activity, rootRef, item.getSubMenu(), 1 + depth );
}
}
// The caller is loc-aware, so add our menu -- at the top level!
if ( 0 == depth && XWPrefs.getXlationEnabled( activity ) ) {
String title = getString( activity, R.string.loc_menu_xlate );
String title = activity.getString( R.string.loc_menu_xlate );
associateMenuString( rootRef, title );
title = getXlation( activity, title, true );
menu.add( title )
.setOnMenuItemClickListener( new OnMenuItemClickListener() {
public boolean onMenuItemClick( MenuItem item ) {
s_latestMenuCode = rootID;
s_latestMenuRef = rootRef;
Intent intent =
new Intent( activity, LocActivity.class );
@ -413,6 +420,21 @@ public class LocUtils {
}
}
private static void pareMenus()
{
DbgUtils.assertOnUIThread();
Set<WeakReference<Menu>> keys = s_menuSets.keySet();
Iterator<WeakReference<Menu>> iter = keys.iterator();
while ( iter.hasNext() ) {
WeakReference<Menu> ref = iter.next();
if ( null == ref.get() ) {
DbgUtils.logf( "LocUtils.pareMenus(): removing menu as ref is gone" );
s_menuSets.remove( ref );
}
}
}
private static String getCurLocale( Context context )
{
if ( null == s_curLocale ) {
@ -546,8 +568,8 @@ public class LocUtils {
public static boolean inLatestMenu( Context context, String key )
{
boolean result = false;
if ( 0 != s_latestMenuCode ) {
HashSet<String> keys = s_menuSets.get( s_latestMenuCode );
if ( null != s_latestMenuRef ) {
HashSet<String> keys = s_menuSets.get( s_latestMenuRef );
if ( null != keys ) {
result = keys.contains( key );
}
@ -593,14 +615,13 @@ public class LocUtils {
}
// Add key (english string) to the hashset associated with this menu
private static void associateMenuString( int menuID, String key )
private static void associateMenuString( WeakReference<Menu> ref, String key )
{
HashSet<String> keys = s_menuSets.get(menuID);
HashSet<String> keys = s_menuSets.get( ref );
if ( null == keys ) {
keys = new HashSet<String>();
s_menuSets.put( menuID, keys );
s_menuSets.put( ref, keys );
// Watch for leaking -- currently nothing ever removed from s_menuSets
DbgUtils.logf( "associateMenuString: %d menu codes now known", s_menuSets.size() );
}
keys.add( key );
}