Add support for archives to ExternalStorageProvider. (68dec406) · Commits · e / os / android_frameworks_base

packages/ExternalStorageProvider/Android.mk

+1 −0

Original line number	Diff line number	Diff line
		@@ -5,6 +5,7 @@ LOCAL_MODULE_TAGS := optional

		LOCAL_SRC_FILES := $(call all-subdir-java-files)

		LOCAL_STATIC_JAVA_LIBRARIES := android-support-documents-archive
		LOCAL_PACKAGE_NAME := ExternalStorageProvider
		LOCAL_CERTIFICATE := platform
		LOCAL_PRIVILEGED_MODULE := true

packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java

+30 −1

Original line number	Diff line number	Diff line
		@@ -39,6 +39,7 @@ import android.provider.DocumentsContract.Document;
		import android.provider.DocumentsContract.Root;
		import android.provider.DocumentsProvider;
		import android.provider.MediaStore;
		import android.support.provider.DocumentArchiveHelper;
		import android.text.TextUtils;
		import android.util.ArrayMap;
		import android.util.DebugUtils;
		@@ -93,6 +94,7 @@ public class ExternalStorageProvider extends DocumentsProvider {

		private StorageManager mStorageManager;
		private Handler mHandler;
		private DocumentArchiveHelper mArchiveHelper;

		private final Object mRootsLock = new Object();

		@@ -106,6 +108,7 @@ public class ExternalStorageProvider extends DocumentsProvider {
		public boolean onCreate() {
		mStorageManager = (StorageManager) getContext().getSystemService(Context.STORAGE_SERVICE);
		mHandler = new Handler();
		mArchiveHelper = new DocumentArchiveHelper(this, (char) 0);

		updateVolumes();
		return true;
		@@ -321,8 +324,12 @@ public class ExternalStorageProvider extends DocumentsProvider {
		}
		}

		final String displayName = file.getName();
		final String mimeType = getTypeForFile(file);
		if (mArchiveHelper.isSupportedArchiveType(mimeType)) {
		flags \|= Document.FLAG_ARCHIVE;
		}

		final String displayName = file.getName();
		if (mimeType.startsWith("image/")) {
		flags \|= Document.FLAG_SUPPORTS_THUMBNAIL;
		}
		@@ -333,6 +340,7 @@ public class ExternalStorageProvider extends DocumentsProvider {
		row.add(Document.COLUMN_SIZE, file.length());
		row.add(Document.COLUMN_MIME_TYPE, mimeType);
		row.add(Document.COLUMN_FLAGS, flags);
		row.add(DocumentArchiveHelper.COLUMN_LOCAL_FILE_PATH, file.getPath());

		// Only publish dates reasonably after epoch
		long lastModified = file.lastModified();
		@@ -361,6 +369,10 @@ public class ExternalStorageProvider extends DocumentsProvider {
		@Override
		public boolean isChildDocument(String parentDocId, String docId) {
		try {
		if (mArchiveHelper.isArchivedDocument(docId)) {
		return mArchiveHelper.isChildDocument(parentDocId, docId);
		}

		final File parent = getFileForDocId(parentDocId).getCanonicalFile();
		final File doc = getFileForDocId(docId).getCanonicalFile();
		return FileUtils.contains(parent, doc);
		@@ -468,6 +480,10 @@ public class ExternalStorageProvider extends DocumentsProvider {
		@Override
		public Cursor queryDocument(String documentId, String[] projection)
		throws FileNotFoundException {
		if (mArchiveHelper.isArchivedDocument(documentId)) {
		return mArchiveHelper.queryDocument(documentId, projection);
		}

		final MatrixCursor result = new MatrixCursor(resolveDocumentProjection(projection));
		includeFile(result, documentId, null);
		return result;
		@@ -477,6 +493,11 @@ public class ExternalStorageProvider extends DocumentsProvider {
		public Cursor queryChildDocuments(
		String parentDocumentId, String[] projection, String sortOrder)
		throws FileNotFoundException {
		if (mArchiveHelper.isArchivedDocument(parentDocumentId) \|\|
		mArchiveHelper.isSupportedArchiveType(getDocumentType(parentDocumentId))) {
		return mArchiveHelper.queryChildDocuments(parentDocumentId, projection, sortOrder);
		}

		final File parent = getFileForDocId(parentDocumentId);
		final MatrixCursor result = new DirectoryCursor(
		resolveDocumentProjection(projection), parentDocumentId, parent);
		@@ -514,6 +535,10 @@ public class ExternalStorageProvider extends DocumentsProvider {

		@Override
		public String getDocumentType(String documentId) throws FileNotFoundException {
		if (mArchiveHelper.isArchivedDocument(documentId)) {
		return mArchiveHelper.getDocumentType(documentId);
		}

		final File file = getFileForDocId(documentId);
		return getTypeForFile(file);
		}
		@@ -522,6 +547,10 @@ public class ExternalStorageProvider extends DocumentsProvider {
		public ParcelFileDescriptor openDocument(
		String documentId, String mode, CancellationSignal signal)
		throws FileNotFoundException {
		if (mArchiveHelper.isArchivedDocument(documentId)) {
		return mArchiveHelper.openDocument(documentId, mode, signal);
		}

		final File file = getFileForDocId(documentId);
		final File visibleFile = getFileForDocId(documentId, true);