Merge "Resetting widget cache when some configurations change" into qt-dev (0dc76428) · Commits · e / os / android_frameworks_base

core/java/android/widget/RemoteViewsAdapter.java

+20 −5

Original line number	Diff line number	Diff line
		@@ -28,7 +28,9 @@ import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		import android.content.ServiceConnection;
		import android.content.pm.ActivityInfo;
		import android.content.pm.ApplicationInfo;
		import android.content.res.Configuration;
		import android.os.Handler;
		import android.os.HandlerThread;
		import android.os.IBinder;
		@@ -554,6 +556,12 @@ public class RemoteViewsAdapter extends BaseAdapter implements Handler.Callback
		}
		}

		/**
		* Config diff flags for which the cache should be reset
		*/
		private static final int CACHE_RESET_CONFIG_FLAGS = ActivityInfo.CONFIG_FONT_SCALE
		\| ActivityInfo.CONFIG_UI_MODE \| ActivityInfo.CONFIG_DENSITY
		\| ActivityInfo.CONFIG_ASSETS_PATHS;
		/**
		*
		*/
		@@ -587,7 +595,6 @@ public class RemoteViewsAdapter extends BaseAdapter implements Handler.Callback
		// farthest items from when we hit the memory limit
		private int mLastRequestedIndex;


		// The lower and upper bounds of the preloaded range
		private int mPreloadLowerBound;
		private int mPreloadUpperBound;
		@@ -602,12 +609,17 @@ public class RemoteViewsAdapter extends BaseAdapter implements Handler.Callback
		private static final float sMaxCountSlackPercent = 0.75f;
		private static final int sMaxMemoryLimitInBytes = 2 * 1024 * 1024;

		public FixedSizeRemoteViewsCache(int maxCacheSize) {
		// Configuration for which the cache was created
		private final Configuration mConfiguration;

		FixedSizeRemoteViewsCache(int maxCacheSize, Configuration configuration) {
		mMaxCount = maxCacheSize;
		mMaxCountSlack = Math.round(sMaxCountSlackPercent * (mMaxCount / 2));
		mPreloadLowerBound = 0;
		mPreloadUpperBound = -1;
		mLastRequestedIndex = -1;

		mConfiguration = new Configuration(configuration);
		}

		public void insert(int position, RemoteViews v, long itemId, int[] visibleWindow) {
		@@ -852,7 +864,12 @@ public class RemoteViewsAdapter extends BaseAdapter implements Handler.Callback
		mAppWidgetId);

		synchronized(sCachedRemoteViewsCaches) {
		if (sCachedRemoteViewsCaches.containsKey(key)) {
		FixedSizeRemoteViewsCache cache = sCachedRemoteViewsCaches.get(key);
		Configuration config = context.getResources().getConfiguration();
		if (cache == null
		\|\| (cache.mConfiguration.diff(config) & CACHE_RESET_CONFIG_FLAGS) != 0) {
		mCache = new FixedSizeRemoteViewsCache(DEFAULT_CACHE_SIZE, config);
		} else {
		mCache = sCachedRemoteViewsCaches.get(key);
		synchronized (mCache.mMetaData) {
		if (mCache.mMetaData.count > 0) {
		@@ -861,8 +878,6 @@ public class RemoteViewsAdapter extends BaseAdapter implements Handler.Callback
		mDataReady = true;
		}
		}
		} else {
		mCache = new FixedSizeRemoteViewsCache(DEFAULT_CACHE_SIZE);
		}
		if (!mDataReady) {
		requestBindService();