am 5e02e0a9: am bcc77b50: Merge "Add <intent-filter> support to <provider>." into klp-dev (7e0fdc87) · Commits · e / os / android_packages_apps_DocumentsUI

src/com/android/documentsui/RootsCache.java

+48 −33

Original line number	Diff line number	Diff line
		@@ -21,9 +21,11 @@ import static com.android.documentsui.DocumentsActivity.TAG;
		import android.content.ContentProviderClient;
		import android.content.ContentResolver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.pm.ApplicationInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.ProviderInfo;
		import android.content.pm.ResolveInfo;
		import android.database.ContentObserver;
		import android.database.Cursor;
		import android.net.Uri;
		@@ -158,6 +160,9 @@ public class RootsCache {
		private class UpdateTask extends AsyncTask<Void, Void, Void> {
		private final String mFilterPackage;

		private final Multimap<String, RootInfo> mTaskRoots = ArrayListMultimap.create();
		private final HashSet<String> mTaskStoppedAuthorities = Sets.newHashSet();

		/**
		* Update all roots.
		*/
		@@ -177,31 +182,52 @@ public class RootsCache {
		protected Void doInBackground(Void... params) {
		final long start = SystemClock.elapsedRealtime();

		final Multimap<String, RootInfo> roots = ArrayListMultimap.create();
		final HashSet<String> stoppedAuthorities = Sets.newHashSet();

		roots.put(mRecentsRoot.authority, mRecentsRoot);
		mTaskRoots.put(mRecentsRoot.authority, mRecentsRoot);

		final ContentResolver resolver = mContext.getContentResolver();
		final PackageManager pm = mContext.getPackageManager();
		final List<ProviderInfo> providers = pm.queryContentProviders(

		// Pick up provider with action string
		final Intent intent = new Intent(DocumentsContract.PROVIDER_INTERFACE);
		final List<ResolveInfo> providers = pm.queryIntentContentProviders(intent, 0);
		for (ResolveInfo info : providers) {
		handleDocumentsProvider(info.providerInfo);
		}

		// Pick up legacy providers
		final List<ProviderInfo> legacyProviders = pm.queryContentProviders(
		null, -1, PackageManager.GET_META_DATA);
		for (ProviderInfo info : providers) {
		for (ProviderInfo info : legacyProviders) {
		if (info.metaData != null && info.metaData.containsKey(
		DocumentsContract.META_DATA_DOCUMENT_PROVIDER)) {
		handleDocumentsProvider(info);
		}
		}

		final long delta = SystemClock.elapsedRealtime() - start;
		Log.d(TAG, "Update found " + mTaskRoots.size() + " roots in " + delta + "ms");
		synchronized (mLock) {
		mRoots = mTaskRoots;
		mStoppedAuthorities = mTaskStoppedAuthorities;
		}
		mFirstLoad.countDown();
		return null;
		}

		private void handleDocumentsProvider(ProviderInfo info) {
		// Ignore stopped packages for now; we might query them
		// later during UI interaction.
		if ((info.applicationInfo.flags & ApplicationInfo.FLAG_STOPPED) != 0) {
		if (LOGD) Log.d(TAG, "Ignoring stopped authority " + info.authority);
		stoppedAuthorities.add(info.authority);
		continue;
		mTaskStoppedAuthorities.add(info.authority);
		return;
		}

		// Try using cached roots if filtering
		boolean cacheHit = false;
		if (mFilterPackage != null && !mFilterPackage.equals(info.packageName)) {
		synchronized (mLock) {
		if (roots.putAll(info.authority, mRoots.get(info.authority))) {
		if (mTaskRoots.putAll(info.authority, mRoots.get(info.authority))) {
		if (LOGD) Log.d(TAG, "Used cached roots for " + info.authority);
		cacheHit = true;
		}
		@@ -210,20 +236,9 @@ public class RootsCache {

		// Cache miss, or loading everything
		if (!cacheHit) {
		roots.putAll(
		info.authority, loadRootsForAuthority(resolver, info.authority));
		}
		}
		mTaskRoots.putAll(info.authority,
		loadRootsForAuthority(mContext.getContentResolver(), info.authority));
		}

		final long delta = SystemClock.elapsedRealtime() - start;
		Log.d(TAG, "Update found " + roots.size() + " roots in " + delta + "ms");
		synchronized (mLock) {
		mStoppedAuthorities = stoppedAuthorities;
		mRoots = roots;
		}
		mFirstLoad.countDown();
		return null;
		}
		}