Example usage for java.lang.ref WeakReference WeakReference

Introduction

In this page you can find the example usage for java.lang.ref WeakReference WeakReference.

Prototype

public WeakReference(T referent)

Source Link

Document

Creates a new weak reference that refers to the given object.

Usage

From source file:com.doublesunflower.android.lockcast.ImageManager.java

/**
 * Adds an observer to be notified when the set of items held by this ImageManager changes.
 *//*  w  w  w. ja va  2s  .  c o  m*/
public void addObserver(DataSetObserver observer) {
    WeakReference<DataSetObserver> obs = new WeakReference<DataSetObserver>(observer);
    mObservers.add(obs);
}

From source file:com.cerema.cloud2.ui.preview.PreviewTextFragment.java

private void loadAndShowTextPreview() {
    mTextLoadTask = new TextLoadAsyncTask(new WeakReference<TextView>(mTextPreview));
    mTextLoadTask.execute(getFile().getStoragePath());
}

From source file:com.oddrun.befrest.connectivity.WebSocketConnection.java

public WebSocketConnection() {
    if (DEBUG)/*w  w  w  . j  a  va2s .c  o m*/
        Log.d(TAG, "created");

    // create WebSocket master handler
    //        createHandler();
    mMasterHandler = new MasterHandler(new WeakReference<WebSocketConnection>(this));

    // set initial values
    mActive = false;
    mPrevConnected = false;
}

From source file:com.bullmobi.message.services.media.MediaController2KitKat.java

/**
 * {@inheritDoc}/*  ww w .j a  va2 s  .c o m*/
 */
protected MediaController2KitKat(@NonNull Activity activity) {
    super(activity);

    SparseIntArray cachedStateSparse = sStateSparse.get();
    if (cachedStateSparse == null) {
        mStateSparse = new SparseIntArray();
        mStateSparse.put(RemoteControlClient.PLAYSTATE_BUFFERING, PlaybackStateCompat.STATE_BUFFERING);
        mStateSparse.put(RemoteControlClient.PLAYSTATE_PLAYING, PlaybackStateCompat.STATE_PLAYING);
        mStateSparse.put(RemoteControlClient.PLAYSTATE_PAUSED, PlaybackStateCompat.STATE_PAUSED);
        mStateSparse.put(RemoteControlClient.PLAYSTATE_ERROR, PlaybackStateCompat.STATE_ERROR);
        mStateSparse.put(RemoteControlClient.PLAYSTATE_REWINDING, PlaybackStateCompat.STATE_REWINDING);
        mStateSparse.put(RemoteControlClient.PLAYSTATE_FAST_FORWARDING,
                PlaybackStateCompat.STATE_FAST_FORWARDING);
        mStateSparse.put(RemoteControlClient.PLAYSTATE_SKIPPING_FORWARDS,
                PlaybackStateCompat.STATE_SKIPPING_TO_NEXT);
        mStateSparse.put(RemoteControlClient.PLAYSTATE_SKIPPING_BACKWARDS,
                PlaybackStateCompat.STATE_SKIPPING_TO_PREVIOUS);

        // Cache sparse array
        sStateSparse = new WeakReference<>(mStateSparse);
    } else {
        mStateSparse = cachedStateSparse;
    }
}

From source file:mangotiger.poker.channel.EventChannelImpl.java

public void subscribe(final Object subscriber) {
    subscriptions.add(new WeakReference<Object>(subscriber));
    // remove subscriber from cancellation list to cater to a two directives given
    cancellations.remove(subscriber);// www  . j  a va  2  s .c om
}

From source file:com.bottomsheetbehavior.BackdropBottomSheetBehavior.java

/**
 * Look into the CoordiantorLayout for the {@link RNBottomSheetBehavior}
 * @param coordinatorLayout with app:layout_behavior= {@link RNBottomSheetBehavior}
 *//* w w  w .  j  a v a 2s .c  om*/
private void getBottomSheetBehavior(@NonNull CoordinatorLayout coordinatorLayout) {

    for (int i = 0; i < coordinatorLayout.getChildCount(); i++) {
        View child = coordinatorLayout.getChildAt(i);

        if (child instanceof NestedScrollView) {

            try {
                RNBottomSheetBehavior temp = RNBottomSheetBehavior.from(child);
                mBottomSheetBehaviorRef = new WeakReference<>(temp);
                break;
            } catch (IllegalArgumentException e) {
            }
        }
    }
}

From source file:com.adwhirl.AdWhirlLayout.java

protected void init(final Activity context, final String keyAdWhirl) {
    this.activityReference = new WeakReference<Activity>(context);
    this.superViewReference = new WeakReference<RelativeLayout>(this);
    this.keyAdWhirl = keyAdWhirl;
    this.hasWindow = true;
    this.isScheduled = true;
    scheduler.schedule(new InitRunnable(this, keyAdWhirl), 0, TimeUnit.SECONDS);

    setHorizontalScrollBarEnabled(false);
    setVerticalScrollBarEnabled(false);//from  w ww.  j a v  a 2  s  . c om

    this.maxWidth = 0;
    this.maxHeight = 0;
}

From source file:com.fastbootmobile.encore.app.fragments.RecognitionFragment.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mHandler = new RecognitionHandler(new WeakReference<>(this));
}

From source file:com.comphenix.protocol.error.DetailedErrorReporter.java

/**
 * Create a central error reporting system.
 * @param plugin - the plugin owner.//from www .ja  v a  2  s  .co m
 * @param prefix - default line prefix.
 * @param supportURL - URL to report the error.
 * @param maxErrorCount - number of errors to print before giving up.
 * @param logger - current logger.
 */
public DetailedErrorReporter(Plugin plugin, String prefix, String supportURL, int maxErrorCount,
        Logger logger) {
    if (plugin == null)
        throw new IllegalArgumentException("Plugin cannot be NULL.");

    this.pluginReference = new WeakReference<Plugin>(plugin);
    this.pluginName = getNameSafely(plugin);
    this.prefix = prefix;
    this.supportURL = supportURL;
    this.maxErrorCount = maxErrorCount;
    this.logger = logger;
}

From source file:org.nabucco.alfresco.enhScriptEnv.common.script.batch.DefaultFacadeFactory.java

/**
 * {@inheritDoc}//  w w  w  .  ja  v  a 2  s  .  co  m
 */
@Override
public Scriptable toFacadedObject(final Scriptable obj, final Scriptable referenceScope,
        final String accessName) {
    final Scriptable facadedObject;

    if (obj != null && !(obj instanceof ObjectFacadingDelegator)) {
        final Scriptable threadLocalFacadedObj;
        final Map<Scriptable, WeakReference<Scriptable>> facadeByRealObject = this.facadeByRealObject.get();
        if (facadeByRealObject != null) {
            final WeakReference<Scriptable> threadLocalFacadedObjRef = facadeByRealObject.get(obj);
            threadLocalFacadedObj = threadLocalFacadedObjRef != null ? threadLocalFacadedObjRef.get() : null;
        } else {
            threadLocalFacadedObj = null;
            this.facadeByRealObject.set(new WeakHashMap<Scriptable, WeakReference<Scriptable>>());
        }

        if (threadLocalFacadedObj == null) {
            Map<Scriptable, WeakReference<Scriptable>> facadeByRealObjectAndReferenceScope = this.facadeByRealObjectAndReferenceScope
                    .get(referenceScope);
            if (facadeByRealObjectAndReferenceScope == null) {
                synchronized (this.facadeByRealObjectAndReferenceScope) {
                    facadeByRealObjectAndReferenceScope = this.facadeByRealObjectAndReferenceScope
                            .get(referenceScope);
                    if (facadeByRealObjectAndReferenceScope == null) {
                        facadeByRealObjectAndReferenceScope = new WeakHashMap<Scriptable, WeakReference<Scriptable>>();
                        this.facadeByRealObjectAndReferenceScope.put(referenceScope,
                                facadeByRealObjectAndReferenceScope);
                    }
                }
            }

            WeakReference<Scriptable> globalFacadedObjectRef = facadeByRealObjectAndReferenceScope.get(obj);
            Scriptable globalFacadedObject = globalFacadedObjectRef != null ? globalFacadedObjectRef.get()
                    : null;
            if (globalFacadedObject == null) {
                synchronized (facadeByRealObjectAndReferenceScope) {
                    globalFacadedObjectRef = facadeByRealObjectAndReferenceScope.get(obj);
                    globalFacadedObject = globalFacadedObjectRef != null ? globalFacadedObjectRef.get() : null;
                    if (globalFacadedObject == null) {
                        globalFacadedObject = this.toFacadedObjectImpl(obj, referenceScope, accessName);
                        facadeByRealObjectAndReferenceScope.put(obj,
                                new WeakReference<Scriptable>(globalFacadedObject));
                    }
                }
            }

            facadedObject = globalFacadedObject;

            this.facadeByRealObject.get().put(obj, new WeakReference<Scriptable>(facadedObject));
        } else {
            facadedObject = threadLocalFacadedObj;
        }
    } else {
        facadedObject = obj;
    }

    return facadedObject;
}