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

Example 6 with WeakReference

use of java.lang.ref.WeakReference in project buck by facebook.

the class ResourcesLoader method getActiveResourcesFromResourcesManager.

private static Collection<WeakReference<Resources>> getActiveResourcesFromResourcesManager() {
    try {
        Class resourcesManagerClass;
        try {
            resourcesManagerClass = Class.forName("android.app.ResourcesManager");
        } catch (ClassNotFoundException e) {
            return null;
        }
        Method getResourcesManager = resourcesManagerClass.getDeclaredMethod("getInstance");
        getResourcesManager.setAccessible(true);
        Object resourcesManager = getResourcesManager.invoke(null);
        try {
            return ((ArrayMap<?, WeakReference<Resources>>) Reflect.getField(resourcesManager, resourcesManagerClass, "mActiveResources")).values();
        } catch (NoSuchFieldException e) {
            return (Collection<WeakReference<Resources>>) Reflect.getField(resourcesManager, resourcesManagerClass, "mResourceReferences");
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 7 with WeakReference

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

the class ActivityThread method applyConfigurationToResourcesLocked.

final int applyConfigurationToResourcesLocked(Configuration config, CompatibilityInfo compat) {
    if (mResConfiguration == null) {
        mResConfiguration = new Configuration();
    }
    if (!mResConfiguration.isOtherSeqNewer(config) && compat == null) {
        if (DEBUG_CONFIGURATION)
            Slog.v(TAG, "Skipping new config: curSeq=" + mResConfiguration.seq + ", newSeq=" + config.seq);
        return 0;
    }
    int changes = mResConfiguration.updateFrom(config);
    flushDisplayMetricsLocked();
    DisplayMetrics defaultDisplayMetrics = getDisplayMetricsLocked(Display.DEFAULT_DISPLAY, null);
    if (compat != null && (mResCompatibilityInfo == null || !mResCompatibilityInfo.equals(compat))) {
        mResCompatibilityInfo = compat;
        changes |= ActivityInfo.CONFIG_SCREEN_LAYOUT | ActivityInfo.CONFIG_SCREEN_SIZE | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE;
    }
    // set it for java, this also affects newly created Resources
    if (config.locale != null) {
        Locale.setDefault(config.locale);
    }
    Resources.updateSystemConfiguration(config, defaultDisplayMetrics, compat);
    ApplicationPackageManager.configurationChanged();
    //Slog.i(TAG, "Configuration changed in " + currentPackageName());
    Configuration tmpConfig = null;
    Iterator<Map.Entry<ResourcesKey, WeakReference<Resources>>> it = mActiveResources.entrySet().iterator();
    while (it.hasNext()) {
        Map.Entry<ResourcesKey, WeakReference<Resources>> entry = it.next();
        Resources r = entry.getValue().get();
        if (r != null) {
            if (DEBUG_CONFIGURATION)
                Slog.v(TAG, "Changing resources " + r + " config to: " + config);
            int displayId = entry.getKey().mDisplayId;
            boolean isDefaultDisplay = (displayId == Display.DEFAULT_DISPLAY);
            DisplayMetrics dm = defaultDisplayMetrics;
            Configuration overrideConfig = entry.getKey().mOverrideConfiguration;
            boolean themeChanged = (changes & ActivityInfo.CONFIG_THEME_RESOURCE) != 0;
            if (themeChanged) {
                AssetManager am = r.getAssets();
                if (am.hasThemeSupport()) {
                    detachThemeAssets(am);
                    if (!TextUtils.isEmpty(config.customTheme.getThemePackageName())) {
                        attachThemeAssets(am, config.customTheme);
                    }
                }
            }
            if (!isDefaultDisplay || overrideConfig != null) {
                if (tmpConfig == null) {
                    tmpConfig = new Configuration();
                }
                tmpConfig.setTo(config);
                if (!isDefaultDisplay) {
                    dm = getDisplayMetricsLocked(displayId, null);
                    applyNonDefaultDisplayMetricsToConfigurationLocked(dm, tmpConfig);
                }
                if (overrideConfig != null) {
                    tmpConfig.updateFrom(overrideConfig);
                }
                r.updateConfiguration(tmpConfig, dm, compat);
            } else {
                r.updateConfiguration(config, dm, compat);
            }
            if (themeChanged) {
                r.updateStringCache();
            }
        //Slog.i(TAG, "Updated app resources " + v.getKey()
        //        + " " + r + ": " + r.getConfiguration());
        } else {
            //Slog.i(TAG, "Removing old resources " + v.getKey());
            it.remove();
        }
    }
    return changes;
}

Example 8 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 9 with WeakReference

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

the class SparseWeakArray method append.

/**
     * Puts a key/value pair into the array, optimizing for the case where
     * the key is greater than all existing keys in the array.
     */
public void append(int key, E value) {
    if (mSize != 0 && key <= mKeys[mSize - 1]) {
        put(key, value);
        return;
    }
    if (mSize >= mKeys.length && (mGarbage || hasReclaimedRefs())) {
        gc();
    }
    int pos = mSize;
    if (pos >= mKeys.length) {
        int n = ArrayUtils.idealIntArraySize(pos + 1);
        int[] nkeys = new int[n];
        WeakReference<?>[] nvalues = new WeakReference[n];
        // Log.e("SparseArray", "grow " + mKeys.length + " to " + n);
        System.arraycopy(mKeys, 0, nkeys, 0, mKeys.length);
        System.arraycopy(mValues, 0, nvalues, 0, mValues.length);
        mKeys = nkeys;
        mValues = nvalues;
    }
    mKeys[pos] = key;
    mValues[pos] = new WeakReference(value);
    mSize = pos + 1;
}

Example 10 with WeakReference

use of java.lang.ref.WeakReference in project LogisticsPipes by RS485.

the class ChestGuiOpened method processPacket.

@Override
public void processPacket(EntityPlayer player) {
    List<WeakReference<ModuleQuickSort>> list = LogisticsEventListener.chestQuickSortConnection.get(player);
    if (list == null || list.isEmpty()) {
        return;
    }
    MainProxy.sendPacketToPlayer(PacketHandler.getPacket(EnableQuickSortMarker.class), player);
    for (WeakReference<ModuleQuickSort> sorter : list) {
        ModuleQuickSort module = sorter.get();
        if (module == null) {
            continue;
        }
        module.addWatchingPlayer(player);
    }
}