Example usage for java.lang.ref WeakReference WeakReference

List of usage examples for java.lang.ref WeakReference WeakReference

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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:android.support.v7.internal.view.menu.MenuBuilder.java

/**
 * Add a presenter to this menu that uses an alternate context for
 * inflating menu items. This will only hold a WeakReference; you do not
 * need to explicitly remove a presenter, but you can using
 * {@link #removeMenuPresenter(MenuPresenter)}.
 *
 * @param presenter The presenter to add
 * @param menuContext The context used to inflate menu items
 *///w ww.j  av a2 s  .c  o m
public void addMenuPresenter(MenuPresenter presenter, Context menuContext) {
    mPresenters.add(new WeakReference<MenuPresenter>(presenter));
    presenter.initForMenu(menuContext, this);
    mIsActionItemsStale = true;
}

From source file:android.support.design.widget.BottomSheetBehavior.java

@Override
public boolean onLayoutChild(CoordinatorLayout parent, V child, int layoutDirection) {
    if (ViewCompat.getFitsSystemWindows(parent) && !ViewCompat.getFitsSystemWindows(child)) {
        ViewCompat.setFitsSystemWindows(child, true);
    }//from  www.  java 2s  .  c o  m
    int savedTop = child.getTop();
    // First let the parent lay it out
    parent.onLayoutChild(child, layoutDirection);
    // Offset the bottom sheet
    mParentHeight = parent.getHeight();
    int peekHeight;
    if (mPeekHeightAuto) {
        if (mPeekHeightMin == 0) {
            mPeekHeightMin = parent.getResources()
                    .getDimensionPixelSize(R.dimen.design_bottom_sheet_peek_height_min);
        }
        peekHeight = Math.max(mPeekHeightMin, mParentHeight - parent.getWidth() * 9 / 16);
    } else {
        peekHeight = mPeekHeight;
    }
    mMinOffset = Math.max(0, mParentHeight - child.getHeight());
    mMaxOffset = Math.max(mParentHeight - peekHeight, mMinOffset);
    if (mState == STATE_EXPANDED) {
        ViewCompat.offsetTopAndBottom(child, mMinOffset);
    } else if (mHideable && mState == STATE_HIDDEN) {
        ViewCompat.offsetTopAndBottom(child, mParentHeight);
    } else if (mState == STATE_COLLAPSED) {
        ViewCompat.offsetTopAndBottom(child, mMaxOffset);
    } else if (mState == STATE_DRAGGING || mState == STATE_SETTLING) {
        ViewCompat.offsetTopAndBottom(child, savedTop - child.getTop());
    }
    if (mViewDragHelper == null) {
        mViewDragHelper = ViewDragHelper.create(parent, mDragCallback);
    }
    mViewRef = new WeakReference<>(child);
    mNestedScrollingChildRef = new WeakReference<>(findScrollingChild(child));
    return true;
}

From source file:com.battlelancer.seriesguide.ui.EpisodesActivity.java

@Override
public void onAttachFragment(Fragment fragment) {
    mFragments.add(new WeakReference<>(fragment));
}

From source file:io.werval.runtime.util.TypeResolver.java

private static Map<TypeVariable<?>, Type> getTypeVariableMap(final Class<?> targetType) {
    Reference<Map<TypeVariable<?>, Type>> ref = CACHE.get(targetType);
    Map<TypeVariable<?>, Type> map = ref != null ? ref.get() : null;

    if (map == null) {
        map = new HashMap<>();

        // Populate interfaces
        buildTypeVariableMap(targetType.getGenericInterfaces(), map);

        // Populate super classes and interfaces
        Type genericType = targetType.getGenericSuperclass();
        Class<?> type = targetType.getSuperclass();
        while (type != null && !Object.class.equals(type)) {
            if (genericType instanceof ParameterizedType) {
                buildTypeVariableMap((ParameterizedType) genericType, map);
            }//from  ww w.j  ava  2 s.c o  m
            buildTypeVariableMap(type.getGenericInterfaces(), map);

            genericType = type.getGenericSuperclass();
            type = type.getSuperclass();
        }

        // Populate enclosing classes
        type = targetType;
        while (type.isMemberClass()) {
            genericType = type.getGenericSuperclass();
            if (genericType instanceof ParameterizedType) {
                buildTypeVariableMap((ParameterizedType) genericType, map);
            }

            type = type.getEnclosingClass();
        }

        if (cacheEnabled) {
            CACHE.put(targetType, new WeakReference<>(map));
        }
    }

    return map;
}

From source file:com.actionbarsherlock.internal.view.menu.MenuBuilder.java

/**
 * Add a presenter to this menu. This will only hold a WeakReference;
 * you do not need to explicitly remove a presenter, but you can using
 * {@link #removeMenuPresenter(MenuPresenter)}.
 *
 * @param presenter The presenter to add
 *//*w  ww .  j a va 2s  .c o  m*/
public void addMenuPresenter(MenuPresenter presenter) {
    mPresenters.add(new WeakReference<MenuPresenter>(presenter));
    presenter.initForMenu(mContext, this);
    mIsActionItemsStale = true;
}

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

public PlaybackQueueFragment() {
    mHandler = new PlaybackQueueHandler(new WeakReference<>(this));

    mPlayFabClickListener = new View.OnClickListener() {
        @Override//from  w  w w  .j  a v  a 2  s .co  m
        public void onClick(View v) {
            switch (PlaybackProxy.getState()) {
            case PlaybackService.STATE_PAUSED:
            case PlaybackService.STATE_STOPPED:
            case PlaybackService.STATE_PAUSING:
                PlaybackProxy.play();
                break;

            case PlaybackService.STATE_BUFFERING:
            case PlaybackService.STATE_PLAYING:
                PlaybackProxy.pause();
                break;

            }
        }
    };

    mNextClickListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            PlaybackProxy.next();
        }
    };

    mPreviousClickListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            PlaybackProxy.previous();
        }
    };

    mSeekListener = new SeekBar.OnSeekBarChangeListener() {
        private int mStartProgress;

        @Override
        public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {

        }

        @Override
        public void onStartTrackingTouch(SeekBar seekBar) {
            mLockSeekBarUpdate = true;
            mStartProgress = seekBar.getProgress();
        }

        @Override
        public void onStopTrackingTouch(SeekBar seekBar) {
            mLockSeekBarUpdate = false;
            int endProgress = seekBar.getProgress();

            if (endProgress != mStartProgress) {
                PlaybackProxy.seek(endProgress);
            }
        }
    };

    mRepeatClickListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            boolean currentMode = PlaybackProxy.isRepeatMode();
            boolean newMode = !currentMode;

            PlaybackProxy.setRepeatMode(newMode);
            v.animate().rotationBy(-360).setDuration(600).start();

            if (newMode) {
                ((ImageView) v).setImageResource(R.drawable.ic_replay);
            } else {
                ((ImageView) v).setImageResource(R.drawable.ic_replay_gray);
            }
        }
    };

    mShuffleClickListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            boolean currentMode = PlaybackProxy.isShuffleMode();
            boolean newMode = !currentMode;

            PlaybackProxy.setShuffleMode(newMode);

            if (newMode) {
                ((ImageView) v).setImageResource(R.drawable.ic_shuffle);
            } else {
                ((ImageView) v).setImageResource(R.drawable.ic_shuffle_gray);
            }
        }
    };

    mLikeClickListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            ListenLogger logger = new ListenLogger(getActivity());
            PlaybackQueueAdapter.ViewHolder tag = (PlaybackQueueAdapter.ViewHolder) v.getTag();
            boolean isLiked = logger.isLiked(tag.song.getRef());

            if (isLiked) {
                logger.removeLike(tag.song);
                ((ImageView) v).setImageResource(R.drawable.ic_thumbs_up_gray);
            } else {
                logger.addLike(tag.song);

                final AutoMixBucket bucket = AutoMixManager.getDefault().getCurrentPlayingBucket();
                if (bucket != null) {
                    new Thread() {
                        public void run() {
                            try {
                                bucket.notifyLike();
                            } catch (EchoNestException e) {
                                Log.e(TAG, "Unable to notify like event to EchoNest");
                            }
                        }
                    }.start();
                }

                ((ImageView) v).setImageResource(R.drawable.ic_thumbs_up);
            }
        }
    };

    mDislikeClickListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            ListenLogger logger = new ListenLogger(getActivity());
            PlaybackQueueAdapter.ViewHolder tag = (PlaybackQueueAdapter.ViewHolder) v.getTag();
            boolean isDisliked = logger.isDisliked(tag.song.getRef());

            if (isDisliked) {
                logger.removeDislike(tag.song);
                ((ImageView) v).setImageResource(R.drawable.ic_thumb_down_gray);
            } else {
                logger.addDislike(tag.song);

                final AutoMixBucket bucket = AutoMixManager.getDefault().getCurrentPlayingBucket();
                if (bucket != null) {
                    new Thread() {
                        public void run() {
                            try {
                                bucket.notifyDislike();
                            } catch (EchoNestException e) {
                                Log.e(TAG, "Unable to notify dislike event to EchoNest");
                            }
                        }
                    }.start();
                }

                ((ImageView) v).setImageResource(R.drawable.ic_thumb_down);
            }
        }
    };

    mAlbumArtClickListener = new View.OnClickListener() {
        @Override
        @TargetApi(Build.VERSION_CODES.LOLLIPOP)
        public void onClick(View v) {
            PlaybackQueueAdapter.ViewHolder tag = (PlaybackQueueAdapter.ViewHolder) v.getTag();
            if (tag.song.getAlbum() != null) {
                Bitmap hero = ((MaterialTransitionDrawable) tag.ivAlbumArt.getDrawable()).getFinalDrawable()
                        .getBitmap();
                Intent intent = AlbumActivity.craftIntent(getActivity(), hero, tag.song.getAlbum(),
                        tag.song.getProvider(), 0xFF333333);

                if (Utils.hasLollipop()) {
                    ActivityOptions opts = ActivityOptions.makeSceneTransitionAnimation(getActivity(), v,
                            "itemImage");
                    getActivity().startActivity(intent, opts.toBundle());
                } else {
                    startActivity(intent);
                }
            } else {
                Toast.makeText(getActivity(), R.string.toast_song_no_album, Toast.LENGTH_SHORT).show();
            }
        }
    };
}

From source file:biz.laenger.android.vpbs.ViewPagerBottomSheetBehavior.java

@Override
public boolean onLayoutChild(CoordinatorLayout parent, V child, int layoutDirection) {
    if (ViewCompat.getFitsSystemWindows(parent) && !ViewCompat.getFitsSystemWindows(child)) {
        ViewCompat.setFitsSystemWindows(child, true);
    }/* ww  w.j a va2 s.  c  o m*/
    int savedTop = child.getTop();
    // First let the parent lay it out
    parent.onLayoutChild(child, layoutDirection);
    // Offset the bottom sheet
    mParentHeight = parent.getHeight();
    int peekHeight;
    if (mPeekHeightAuto) {
        if (mPeekHeightMin == 0) {
            mPeekHeightMin = parent.getResources()
                    .getDimensionPixelSize(R.dimen.design_bottom_sheet_peek_height_min);
        }
        peekHeight = Math.max(mPeekHeightMin, mParentHeight - parent.getWidth() * 9 / 16);
    } else {
        peekHeight = mPeekHeight;
    }
    mMinOffset = Math.max(0, mParentHeight - child.getHeight());
    mMaxOffset = Math.max(mParentHeight - peekHeight, mMinOffset);
    if (mState == STATE_EXPANDED) {
        ViewCompat.offsetTopAndBottom(child, mMinOffset);
    } else if (mHideable && mState == STATE_HIDDEN) {
        ViewCompat.offsetTopAndBottom(child, mParentHeight);
    } else if (mState == STATE_COLLAPSED) {
        ViewCompat.offsetTopAndBottom(child, mMaxOffset);
    } else if (mState == STATE_DRAGGING || mState == STATE_SETTLING) {
        ViewCompat.offsetTopAndBottom(child, savedTop - child.getTop());
    }
    if (mViewDragHelper == null) {
        mViewDragHelper = ViewDragHelper.create(parent, mDragCallback);
    }
    mViewRef = new WeakReference<>(child);
    findAllScrollableChild(child);
    return true;
}

From source file:biz.wolschon.finance.jgnucash.mysql.impl.GnucashDatabase.java

/**
 * {@inheritDoc}/*from w ww  . j  av  a2 s.  c  o  m*/
 * @see biz.wolschon.fileformats.gnucash.GnucashWritableFile#getAccountByID(java.lang.String)
 */
@Override
public GnucashWritableAccount getAccountByID(final String aGUID) {
    GnucashWritableAccount retval = null;
    WeakReference<GnucashWritableAccount> ref = myAccountByIDCache.get(aGUID);
    if (ref != null) {
        retval = ref.get();
    }
    if (retval != null) {
        return retval;
    }
    LOG.info("getAccountByID(aGUID=" + aGUID + ")");
    String sql = "select * from accounts where guid = ?";
    try {
        retval = myJDBCTemplate.queryForObject(sql, new AccountRowMapper(this), aGUID);
        myAccountByIDCache.put(aGUID, new WeakReference<GnucashWritableAccount>(retval));
        return retval;
    } catch (org.springframework.dao.EmptyResultDataAccessException e) {
        Collection<? extends GnucashWritableAccount> writableRootAccounts = getWritableRootAccounts();
        for (GnucashWritableAccount gnucashWritableAccount : writableRootAccounts) {
            if (gnucashWritableAccount.getId().equals(aGUID)) {
                retval = gnucashWritableAccount;
                myAccountByIDCache.put(aGUID, new WeakReference<GnucashWritableAccount>(retval));
                return retval;
            }
        }
        throw e;
    }
}

From source file:br.com.anteros.social.facebook.AnterosFacebookSession.java

public void setOnLoginListener(OnLoginListener onLoginListener) {
    this.onLoginListener = new WeakReference<OnLoginListener>(onLoginListener);
}

From source file:android.support.v7.widget.AppCompatTextHelper.java

private void updateTypefaceAndStyle(Context context, TintTypedArray a) {
    mStyle = a.getInt(R.styleable.TextAppearance_android_textStyle, mStyle);

    if (a.hasValue(R.styleable.TextAppearance_android_fontFamily)
            || a.hasValue(R.styleable.TextAppearance_fontFamily)) {
        mFontTypeface = null;//from w ww .j a v a  2  s . c  o m
        int fontFamilyId = a.hasValue(R.styleable.TextAppearance_fontFamily)
                ? R.styleable.TextAppearance_fontFamily
                : R.styleable.TextAppearance_android_fontFamily;
        if (!context.isRestricted()) {
            final WeakReference<TextView> textViewWeak = new WeakReference<>(mView);
            ResourcesCompat.FontCallback replyCallback = new ResourcesCompat.FontCallback() {
                @Override
                public void onFontRetrieved(@NonNull Typeface typeface) {
                    onAsyncTypefaceReceived(textViewWeak, typeface);
                }

                @Override
                public void onFontRetrievalFailed(int reason) {
                    // Do nothing.
                }
            };
            try {
                // Note the callback will be triggered on the UI thread.
                mFontTypeface = a.getFont(fontFamilyId, mStyle, replyCallback);
                // If this call gave us an immediate result, ignore any pending callbacks.
                mAsyncFontPending = mFontTypeface == null;
            } catch (UnsupportedOperationException | Resources.NotFoundException e) {
                // Expected if it is not a font resource.
            }
        }
        if (mFontTypeface == null) {
            // Try with String. This is done by TextView JB+, but fails in ICS
            String fontFamilyName = a.getString(fontFamilyId);
            if (fontFamilyName != null) {
                mFontTypeface = Typeface.create(fontFamilyName, mStyle);
            }
        }
        return;
    }

    if (a.hasValue(R.styleable.TextAppearance_android_typeface)) {
        // Ignore previous pending fonts
        mAsyncFontPending = false;
        int typefaceIndex = a.getInt(R.styleable.TextAppearance_android_typeface, SANS);
        switch (typefaceIndex) {
        case SANS:
            mFontTypeface = Typeface.SANS_SERIF;
            break;

        case SERIF:
            mFontTypeface = Typeface.SERIF;
            break;

        case MONOSPACE:
            mFontTypeface = Typeface.MONOSPACE;
            break;
        }
    }
}