Examples with ResourcesImpl android.content.res.ResourcesImpl used on opensource projects

Example 21 with ResourcesImpl

use of android.content.res.ResourcesImpl in project android_frameworks_base by DirtyUnicorns.

the class ResourcesManager method applyConfigurationToResourcesLocked.

public final boolean applyConfigurationToResourcesLocked(@NonNull Configuration config, @Nullable CompatibilityInfo compat) {
    try {
        Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, "ResourcesManager#applyConfigurationToResourcesLocked");
        if (!mResConfiguration.isOtherSeqNewer(config) && compat == null) {
            if (DEBUG || DEBUG_CONFIGURATION)
                Slog.v(TAG, "Skipping new config: curSeq=" + mResConfiguration.seq + ", newSeq=" + config.seq);
            return false;
        }
        int changes = mResConfiguration.updateFrom(config);
        // Things might have changed in display manager, so clear the cached displays.
        mDisplays.clear();
        DisplayMetrics defaultDisplayMetrics = getDisplayMetrics();
        if (compat != null && (mResCompatibilityInfo == null || !mResCompatibilityInfo.equals(compat))) {
            mResCompatibilityInfo = compat;
            changes |= ActivityInfo.CONFIG_SCREEN_LAYOUT | ActivityInfo.CONFIG_SCREEN_SIZE | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE;
        }
        Resources.updateSystemConfiguration(config, defaultDisplayMetrics, compat);
        ApplicationPackageManager.configurationChanged();
        //Slog.i(TAG, "Configuration changed in " + currentPackageName());
        Configuration tmpConfig = null;
        for (int i = mResourceImpls.size() - 1; i >= 0; i--) {
            ResourcesKey key = mResourceImpls.keyAt(i);
            ResourcesImpl r = mResourceImpls.valueAt(i).get();
            if (r != null) {
                if (DEBUG || DEBUG_CONFIGURATION)
                    Slog.v(TAG, "Changing resources " + r + " config to: " + config);
                int displayId = key.mDisplayId;
                boolean isDefaultDisplay = (displayId == Display.DEFAULT_DISPLAY);
                DisplayMetrics dm = defaultDisplayMetrics;
                final boolean hasOverrideConfiguration = key.hasOverrideConfiguration();
                if (!isDefaultDisplay || hasOverrideConfiguration) {
                    if (tmpConfig == null) {
                        tmpConfig = new Configuration();
                    }
                    tmpConfig.setTo(config);
                    // Get new DisplayMetrics based on the DisplayAdjustments given
                    // to the ResourcesImpl. Update a copy if the CompatibilityInfo
                    // changed, because the ResourcesImpl object will handle the
                    // update internally.
                    DisplayAdjustments daj = r.getDisplayAdjustments();
                    if (compat != null) {
                        daj = new DisplayAdjustments(daj);
                        daj.setCompatibilityInfo(compat);
                    }
                    dm = getDisplayMetrics(displayId, daj);
                    if (!isDefaultDisplay) {
                        applyNonDefaultDisplayMetricsToConfiguration(dm, tmpConfig);
                    }
                    if (hasOverrideConfiguration) {
                        tmpConfig.updateFrom(key.mOverrideConfiguration);
                    }
                    r.updateConfiguration(tmpConfig, dm, compat);
                } else {
                    r.updateConfiguration(config, dm, compat);
                }
            //Slog.i(TAG, "Updated app resources " + v.getKey()
            //        + " " + r + ": " + r.getConfiguration());
            } else {
                //Slog.i(TAG, "Removing old resources " + v.getKey());
                mResourceImpls.removeAt(i);
            }
        }
        return changes != 0;
    } finally {
        Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
    }
}

Example 22 with ResourcesImpl

use of android.content.res.ResourcesImpl in project android_frameworks_base by DirtyUnicorns.

the class ResourcesManager method updateResourcesForActivity.

/**
     * Updates an Activity's Resources object with overrideConfig. The Resources object
     * that was previously returned by
     * {@link #getResources(IBinder, String, String[], String[], String[], int, Configuration,
     * CompatibilityInfo, ClassLoader)} is
     * still valid and will have the updated configuration.
     * @param activityToken The Activity token.
     * @param overrideConfig The configuration override to update.
     */
public void updateResourcesForActivity(@NonNull IBinder activityToken, @Nullable Configuration overrideConfig) {
    try {
        Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, "ResourcesManager#updateResourcesForActivity");
        synchronized (this) {
            final ActivityResources activityResources = getOrCreateActivityResourcesStructLocked(activityToken);
            if (Objects.equals(activityResources.overrideConfig, overrideConfig)) {
                // They are the same, no work to do.
                return;
            }
            // Grab a copy of the old configuration so we can create the delta's of each
            // Resources object associated with this Activity.
            final Configuration oldConfig = new Configuration(activityResources.overrideConfig);
            // Update the Activity's base override.
            if (overrideConfig != null) {
                activityResources.overrideConfig.setTo(overrideConfig);
            } else {
                activityResources.overrideConfig.setToDefaults();
            }
            if (DEBUG) {
                Throwable here = new Throwable();
                here.fillInStackTrace();
                Slog.d(TAG, "updating resources override for activity=" + activityToken + " from oldConfig=" + Configuration.resourceQualifierString(oldConfig) + " to newConfig=" + Configuration.resourceQualifierString(activityResources.overrideConfig), here);
            }
            final boolean activityHasOverrideConfig = !activityResources.overrideConfig.equals(Configuration.EMPTY);
            // Rebase each Resources associated with this Activity.
            final int refCount = activityResources.activityResources.size();
            for (int i = 0; i < refCount; i++) {
                WeakReference<Resources> weakResRef = activityResources.activityResources.get(i);
                Resources resources = weakResRef.get();
                if (resources == null) {
                    continue;
                }
                // Extract the ResourcesKey that was last used to create the Resources for this
                // activity.
                final ResourcesKey oldKey = findKeyForResourceImplLocked(resources.getImpl());
                if (oldKey == null) {
                    Slog.e(TAG, "can't find ResourcesKey for resources impl=" + resources.getImpl());
                    continue;
                }
                // Build the new override configuration for this ResourcesKey.
                final Configuration rebasedOverrideConfig = new Configuration();
                if (overrideConfig != null) {
                    rebasedOverrideConfig.setTo(overrideConfig);
                }
                if (activityHasOverrideConfig && oldKey.hasOverrideConfiguration()) {
                    // Generate a delta between the old base Activity override configuration and
                    // the actual final override configuration that was used to figure out the
                    // real delta this Resources object wanted.
                    Configuration overrideOverrideConfig = Configuration.generateDelta(oldConfig, oldKey.mOverrideConfiguration);
                    rebasedOverrideConfig.updateFrom(overrideOverrideConfig);
                }
                // Create the new ResourcesKey with the rebased override config.
                final ResourcesKey newKey = new ResourcesKey(oldKey.mResDir, oldKey.mSplitResDirs, oldKey.mOverlayDirs, oldKey.mLibDirs, oldKey.mDisplayId, rebasedOverrideConfig, oldKey.mCompatInfo);
                if (DEBUG) {
                    Slog.d(TAG, "rebasing ref=" + resources + " from oldKey=" + oldKey + " to newKey=" + newKey);
                }
                ResourcesImpl resourcesImpl = findResourcesImplForKeyLocked(newKey);
                if (resourcesImpl == null) {
                    resourcesImpl = createResourcesImpl(newKey);
                    if (resourcesImpl != null) {
                        mResourceImpls.put(newKey, new WeakReference<>(resourcesImpl));
                    }
                }
                if (resourcesImpl != null && resourcesImpl != resources.getImpl()) {
                    // Set the ResourcesImpl, updating it for all users of this Resources
                    // object.
                    resources.setImpl(resourcesImpl);
                }
            }
        }
    } finally {
        Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
    }
}

Example 23 with ResourcesImpl

use of android.content.res.ResourcesImpl in project android_frameworks_base by DirtyUnicorns.

the class ResourcesManager method createResourcesImpl.

@Nullable
private ResourcesImpl createResourcesImpl(@NonNull ResourcesKey key) {
    final DisplayAdjustments daj = new DisplayAdjustments(key.mOverrideConfiguration);
    daj.setCompatibilityInfo(key.mCompatInfo);
    final AssetManager assets = createAssetManager(key);
    if (assets == null) {
        return null;
    }
    final DisplayMetrics dm = getDisplayMetrics(key.mDisplayId, daj);
    final Configuration config = generateConfig(key, dm);
    final ResourcesImpl impl = new ResourcesImpl(assets, dm, config, daj);
    if (DEBUG) {
        Slog.d(TAG, "- creating impl=" + impl + " with key: " + key);
    }
    return impl;
}

Example 24 with ResourcesImpl

use of android.content.res.ResourcesImpl in project platform_frameworks_base by android.

the class ResourcesManager method createResourcesImpl.

@Nullable
private ResourcesImpl createResourcesImpl(@NonNull ResourcesKey key) {
    final DisplayAdjustments daj = new DisplayAdjustments(key.mOverrideConfiguration);
    daj.setCompatibilityInfo(key.mCompatInfo);
    final AssetManager assets = createAssetManager(key);
    if (assets == null) {
        return null;
    }
    final DisplayMetrics dm = getDisplayMetrics(key.mDisplayId, daj);
    final Configuration config = generateConfig(key, dm);
    final ResourcesImpl impl = new ResourcesImpl(assets, dm, config, daj);
    if (DEBUG) {
        Slog.d(TAG, "- creating impl=" + impl + " with key: " + key);
    }
    return impl;
}

Example 25 with ResourcesImpl

use of android.content.res.ResourcesImpl in project platform_frameworks_base by android.

the class ResourcesManager method findResourcesImplForKeyLocked.

/**
     * Finds a cached ResourcesImpl object that matches the given ResourcesKey.
     *
     * @param key The key to match.
     * @return a ResourcesImpl if the key matches a cache entry, null otherwise.
     */
@Nullable
private ResourcesImpl findResourcesImplForKeyLocked(@NonNull ResourcesKey key) {
    WeakReference<ResourcesImpl> weakImplRef = mResourceImpls.get(key);
    ResourcesImpl impl = weakImplRef != null ? weakImplRef.get() : null;
    if (impl != null && impl.getAssets().isUpToDate()) {
        return impl;
    }
    return null;
}