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.gargoylesoftware.htmlunit.javascript.background.JavaScriptExecutor.java

/**
 * Register a window with the eventLoop.
 * @param newWindow the new web window//from ww w . j a v a 2s  . c  om
 */
public synchronized void addWindow(final WebWindow newWindow) {
    final JavaScriptJobManager jobManager = newWindow.getJobManager();
    if (jobManager != null && !contains(jobManager)) {
        jobManagerList_.add(new WeakReference<JavaScriptJobManager>(jobManager));
        startThreadIfNeeded();
    }
}

From source file:charva.awt.Component.java

/**
 * Set the parent container of this component.  This is intended to
 * be called by Container objects only./* w  w w  .j  av a 2 s .c o  m*/
 * Note that we use a WeakReference so that the parent can be garbage-
 * collected when there are no more strong references to it.
 */
public void setParent(Container container_) {
    _parent = new WeakReference(container_);

    // If this component's colors have not been set yet, inherit
    // the parent container's colors.
    if (getForeground() == null)
        setForeground(container_.getForeground());

    if (getBackground() == null)
        setBackground(container_.getBackground());
}

From source file:disko.HTMLDocument.java

public synchronized String load() {
    String rawText = htmlText == null ? super.load() : htmlText;
    annotations.addAll(htmlAnnotate(rawText));
    for (Ann a : annotations)
        if (a instanceof MarkupAnn && ((MarkupAnn) a).getTag().equals(HTMLElementName.TITLE))
            setTitle(rawText.substring(a.getInterval().getStart(), a.getInterval().getEnd()).trim());
    return (fullText = new WeakReference<String>(rawText)).get();
}

From source file:com.alta189.cyborg.api.util.config.ConfigurationNode.java

protected void setParent(ConfigurationNodeSource parent) {
    if (parent == this) {
        throw new IllegalArgumentException(
                "Attempted circular inheritance between child" + getPath() + " and parent.");
    }/*from www .ja va 2 s .c  o  m*/
    Set<ConfigurationNodeSource> visited = new HashSet<ConfigurationNodeSource>();
    ConfigurationNodeSource oldParent = getParent();
    while (oldParent != null) {
        if (visited.contains(oldParent)) {
            throw new IllegalArgumentException(
                    "Attempted circular inheritance between child " + getPath() + " and parent "
                            + (oldParent instanceof ConfigurationNode
                                    ? ((ConfigurationNode) oldParent).getPath()
                                    : "root")
                            + ".");
        }
        visited.add(oldParent);
        oldParent = oldParent instanceof ConfigurationNode ? ((ConfigurationNode) oldParent).getParent() : null;
    }
    this.parent = new WeakReference<ConfigurationNodeSource>(parent);
}

From source file:com.alibaba.android.layoutmanager.layoutmanager.StaggeredGridLayoutHelper.java

@Override
public void beforeLayout(RecyclerView.Recycler recycler, RecyclerView.State state, LayoutManagerHelper helper) {
    super.beforeLayout(recycler, state, helper);

    int availableWidth;
    if (helper.getOrientation() == VERTICAL) {
        availableWidth = helper.getContentWidth() - helper.getPaddingLeft() - helper.getPaddingRight()
                - getHorizontalMargin() - getHorizontalPadding();
    } else {/*from   www. j  a  va 2 s  .  c  o m*/
        availableWidth = helper.getContentHeight() - helper.getPaddingTop() - helper.getPaddingBottom()
                - getVerticalMargin() - getVerticalPadding();
    }
    mColLength = (int) ((availableWidth - mHGap * (mNumLanes - 1)) / mNumLanes + 0.5);
    int totalGaps = availableWidth - mColLength * mNumLanes;

    if (mNumLanes <= 1) {
        mEachGap = mLastGap = 0;
    } else if (mNumLanes == 2) {
        mEachGap = totalGaps;
        mLastGap = totalGaps;
    } else {
        mEachGap = mLastGap = helper.getOrientation() == VERTICAL ? mHGap : mVGap;
    }

    if (mLayoutManager == null || mLayoutManager.get() == null || mLayoutManager.get() != helper) {
        if (helper instanceof VirtualLayoutManager) {
            mLayoutManager = new WeakReference<VirtualLayoutManager>((VirtualLayoutManager) helper);
        }
    }
}

From source file:com.ushahidi.android.presentation.view.ui.fragment.MapPostFragment.java

private void setUpClusterer() {
    if (mMap != null) {
        mClusterManager = new ClusterManager<>(getActivity(), mMap);
        final PostModelRenderer postModelRenderer = new PostModelRenderer(getActivity().getApplicationContext(),
                new WeakReference<>(mMap), new WeakReference<>(mClusterManager), new WeakReference<>(markers));
        mClusterManager.setRenderer(postModelRenderer);
        mMap.setOnCameraChangeListener(mClusterManager);
        mMap.setOnMarkerClickListener(mClusterManager);
        mMap.setOnInfoWindowClickListener(mClusterManager);
        //mMap.getUiSettings().setZoomControlsEnabled(true);
        mClusterManager.setOnClusterInfoWindowClickListener(this);
        mClusterManager.setOnClusterItemInfoWindowClickListener(this);
    }/*from  w  ww  . j av  a2 s .  c o m*/
}

From source file:com.biggun.drawbitmapmesh.photoview.PhotoViewAttacher.java

public PhotoViewAttacher(ImageView imageView, boolean zoomable) {
    mImageView = new WeakReference<>(imageView);

    imageView.setDrawingCacheEnabled(true);
    imageView.setOnTouchListener(this);

    ViewTreeObserver observer = imageView.getViewTreeObserver();
    if (null != observer)
        observer.addOnGlobalLayoutListener(this);

    // Make sure we using MATRIX Scale Type
    setImageViewScaleTypeMatrix(imageView);

    if (imageView.isInEditMode()) {
        return;/*from   w w w .  j a va2s  . c o m*/
    }
    // Create Gesture Detectors...
    mScaleDragDetector = VersionedGestureDetector.newInstance(imageView.getContext(), this);

    mGestureDetector = new GestureDetector(imageView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {

                // forward long click listener
                @Override
                public void onLongPress(MotionEvent e) {
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getImageView());
                    }
                }

                @Override
                public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
                    if (mSingleFlingListener != null) {
                        if (getScale() > DEFAULT_MIN_SCALE) {
                            return false;
                        }

                        if (MotionEventCompat.getPointerCount(e1) > SINGLE_TOUCH
                                || MotionEventCompat.getPointerCount(e2) > SINGLE_TOUCH) {
                            return false;
                        }

                        return mSingleFlingListener.onFling(e1, e2, velocityX, velocityY);
                    }
                    return false;
                }

            });

    mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
    mBaseRotation = 0.0f;

    // Finally, update the UI so that we're zoomable
    setZoomable(zoomable);
}

From source file:cn.golden.pinchzoomcanvasview.PinchZoomCanvasViewAttacher.java

public PinchZoomCanvasViewAttacher(ImageView imageView, boolean zoomable) {
    mImageView = new WeakReference<>(imageView);

    imageView.setDrawingCacheEnabled(true);
    imageView.setOnTouchListener(this);

    ViewTreeObserver observer = imageView.getViewTreeObserver();
    if (null != observer)
        observer.addOnGlobalLayoutListener(this);

    // Make sure we using MATRIX Scale Type
    setImageViewScaleTypeMatrix(imageView);

    if (imageView.isInEditMode()) {
        return;//w  ww  .  j  a  v  a2 s .  c  o  m
    }
    // Create Gesture Detectors...
    mScaleDragDetector = VersionedGestureDetector.newInstance(imageView.getContext(), this);

    mGestureDetector = new GestureDetector(imageView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {

                // forward long click listener
                @Override
                public void onLongPress(MotionEvent e) {
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getImageView());
                    }
                }

                @Override
                public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {

                    if (mSingleFlingListener != null) {
                        if (getScale() > DEFAULT_MIN_SCALE) {
                            return false;
                        }

                        if (MotionEventCompat.getPointerCount(e1) > SINGLE_TOUCH
                                || MotionEventCompat.getPointerCount(e2) > SINGLE_TOUCH) {
                            return false;
                        }
                        return mSingleFlingListener.onFling(e1, e2, velocityX, velocityY);
                    }
                    return false;
                }
            });

    //        mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
    mBaseRotation = 0.0f;

    // Finally, update the UI so that we're zoomable
    setZoomable(zoomable);
}

From source file:com.dubsar_dictionary.Dubsar.model.Model.java

/**
 * Set the context to use for all model instances when
 * converting strings, e.g.//w  w  w.  j  a va  2  s  .  c  o m
 * @param context the context
 */
public static void setContext(Context context) {
    sContextReference = new WeakReference<Context>(context);
}

From source file:baizhuan.hangzhou.com.gankcopy.view.customview.photoview.PhotoViewAttacher.java

public PhotoViewAttacher(ImageView imageView, boolean zoomable) {
    mImageView = new WeakReference<>(imageView);

    imageView.setDrawingCacheEnabled(true);
    imageView.setOnTouchListener(this);

    ViewTreeObserver observer = imageView.getViewTreeObserver();
    if (null != observer)
        observer.addOnGlobalLayoutListener(this);

    // Make sure we using MATRIX Scale Type
    setImageViewScaleTypeMatrix(imageView);

    if (imageView.isInEditMode()) {
        return;/*from  w  w  w . j a  v  a  2  s . c  o m*/
    }
    // Create Gesture Detectors...
    mScaleDragDetector = VersionedGestureDetector.newInstance(imageView.getContext(), this);

    mGestureDetector = new GestureDetector(imageView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {

                // forward long click listener
                @Override
                public void onLongPress(MotionEvent e) {
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getImageView());
                    }
                }

                @Override
                public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
                    if (mSingleFlingListener != null) {
                        if (getScale() > DEFAULT_MIN_SCALE) {
                            return false;
                        }

                        if (MotionEventCompat.getPointerCount(e1) > SINGLE_TOUCH
                                || MotionEventCompat.getPointerCount(e2) > SINGLE_TOUCH) {
                            return false;
                        }

                        return mSingleFlingListener.onFling(e1, e2, velocityX, velocityY);
                    }
                    return false;
                }
            });

    mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
    mBaseRotation = 0.0f;

    // Finally, update the UI so that we're zoomable
    setZoomable(zoomable);
}