Examples with WeakReference java.lang.ref.WeakReference used on opensource projects

Example 56 with WeakReference

use of java.lang.ref.WeakReference in project android_frameworks_base by ParanoidAndroid.

the class SurfaceTexture method postEventFromNative.

/**
     * This method is invoked from native code only.
     */
@SuppressWarnings({ "UnusedDeclaration" })
private static void postEventFromNative(Object selfRef) {
    WeakReference weakSelf = (WeakReference) selfRef;
    SurfaceTexture st = (SurfaceTexture) weakSelf.get();
    if (st == null) {
        return;
    }
    if (st.mEventHandler != null) {
        Message m = st.mEventHandler.obtainMessage();
        st.mEventHandler.sendMessage(m);
    }
}

Example 57 with WeakReference

use of java.lang.ref.WeakReference in project Etar-Calendar by Etar-Group.

the class CalendarController method getInstance.

/**
     * Creates and/or returns an instance of CalendarController associated with
     * the supplied context. It is best to pass in the current Activity.
     *
     * @param context The activity if at all possible.
     */
public static CalendarController getInstance(Context context) {
    synchronized (instances) {
        CalendarController controller = null;
        WeakReference<CalendarController> weakController = instances.get(context);
        if (weakController != null) {
            controller = weakController.get();
        }
        if (controller == null) {
            controller = new CalendarController(context);
            instances.put(context, new WeakReference(controller));
        }
        return controller;
    }
}

Example 58 with WeakReference

use of java.lang.ref.WeakReference in project PhotoNoter by yydcdut.

the class PhotoModel method findByMedia.

@NonNull
public Map<String, MediaFolder> findByMedia(@NonNull Context context) {
    WeakReference<Context> contextWeakReference = new WeakReference<>(context);
    if (mMediaCache == null) {
        mMediaCache = new HashMap<>();
        MediaFolder mediaFolder4All = new MediaFolder(MediaFolder.ALL, new ArrayList<MediaPhoto>());
        mMediaCache.put(MediaFolder.ALL, mediaFolder4All);
        final String[] projectionPhotos = { MediaStore.Images.Media._ID, MediaStore.Images.Media.BUCKET_ID, MediaStore.Images.Media.BUCKET_DISPLAY_NAME, MediaStore.Images.Media.DATA, MediaStore.Images.Media.DATE_TAKEN, MediaStore.Images.Media.ORIENTATION, MediaStore.Images.Thumbnails.DATA };
        Cursor cursor = MediaStore.Images.Media.query(contextWeakReference.get().getContentResolver(), MediaStore.Images.Media.EXTERNAL_CONTENT_URI, projectionPhotos, "", null, MediaStore.Images.Media.DATE_TAKEN + " DESC");
        if (cursor == null) {
            return mMediaCache;
        }
        while (cursor.moveToNext()) {
            String path = cursor.getString(cursor.getColumnIndex(MediaStore.Images.Media.DATA));
            String thumb = cursor.getString(cursor.getColumnIndex(MediaStore.Images.Thumbnails.DATA));
            File file = new File(path);
            if (file.exists() && file.length() > 0) {
                MediaPhoto mediaPhoto = new MediaPhoto(path, thumb);
                String folderName = file.getParentFile().getName();
                MediaFolder mediaFolder = mMediaCache.get(folderName);
                if (mediaFolder == null) {
                    List<MediaPhoto> mediaPhotoList = new ArrayList<>();
                    mediaPhotoList.add(mediaPhoto);
                    mediaFolder = new MediaFolder(folderName, mediaPhotoList);
                    mMediaCache.put(folderName, mediaFolder);
                } else {
                    mediaFolder.getMediaPhotoList().add(mediaPhoto);
                }
                mediaFolder4All.getMediaPhotoList().add(mediaPhoto);
            }
        }
    }
    contextWeakReference.clear();
    return mMediaCache;
}

Example 59 with WeakReference

use of java.lang.ref.WeakReference in project pcgen by PCGen.

the class AbstractReferenceManufacturer method validateDuplicates.

private boolean validateDuplicates() {
    boolean returnGood = true;
    for (CaseInsensitiveString second : duplicates.getKeySet()) {
        List<T> list = duplicates.getListFor(second);
        T good = active.get(second.toString());
        /*
			 * CONSIDER Should get CDOMObject reference out of here :(
			 */
        if (good instanceof CDOMObject) {
            CDOMObject cdo = (CDOMObject) good;
            for (int i = 0; i < list.size(); i++) {
                T dupe = list.get(i);
                if (cdo.isCDOMEqual((CDOMObject) dupe)) {
                    for (Iterator<WeakReference<T>> it = manufactured.iterator(); it.hasNext(); ) {
                        WeakReference<T> wr = it.next();
                        T mfg = wr.get();
                        if (mfg == null) {
                            it.remove();
                        } else // Yes this is instance equality, not .equals
                        if (mfg == good) {
                            forgetObject(good);
                            break;
                        }
                    }
                }
            }
        }
        if (duplicates.containsListFor(second)) {
            Logging.errorPrint("More than one " + factory.getReferenceDescription() + " with key/name " + good.getKeyName() + " was built");
            List<T> dupes = duplicates.getListFor(second);
            StringBuilder sb = new StringBuilder(1000);
            sb.append("Sources: ");
            sb.append(good.isInternal() ? "<internal>" : good.getSourceURI());
            for (T dupe : dupes) {
                sb.append(", ").append(dupe.isInternal() ? "<internal>" : dupe.getSourceURI());
                if (!dupe.getKeyName().equals(good.getKeyName())) {
                    Logging.errorPrint("Key case differed for " + dupe.getKeyName());
                }
            }
            Logging.errorPrint(sb.toString());
            returnGood = false;
        }
    }
    return returnGood;
}

Example 60 with WeakReference

use of java.lang.ref.WeakReference in project pcgen by PCGen.

the class AbstractReferenceManufacturer method resolveGroupReferences.

private boolean resolveGroupReferences() {
    for (T obj : getAllObjects()) {
        if (allRef != null) {
            allRef.addResolution(obj);
        }
        for (Map.Entry<FixedStringList, WeakReference<CDOMGroupRef<T>>> me : typeReferences.entrySet()) {
            CDOMGroupRef<T> trt = me.getValue().get();
            if (trt != null) {
                boolean typeOkay = true;
                for (String type : me.getKey()) {
                    if (!obj.isType(type)) {
                        typeOkay = false;
                        break;
                    }
                }
                if (typeOkay) {
                    trt.addResolution(obj);
                }
            }
        }
    }
    if (allRef != null && allRef.getObjectCount() == 0) {
        Logging.errorPrint("Error: No " + factory.getReferenceDescription() + " objects were loaded but were referred to in the data");
        fireUnconstuctedEvent(allRef);
        return false;
    }
    return true;
}