Merge "Improve @hide Parcel.hasFileDescriptors(Object)" am: 41d4be0fef am:... (e0c9e8a8) · Commits · e / os / android_frameworks_base

core/java/android/os/Bundle.java

+4 −22

Original line number	Diff line number	Diff line
		@@ -324,28 +324,10 @@ public final class Bundle extends BaseBundle implements Cloneable, Parcelable {
		*/
		public boolean hasFileDescriptors() {
		if ((mFlags & FLAG_HAS_FDS_KNOWN) == 0) {
		boolean fdFound = false; // keep going until we find one or run out of data

		if (mParcelledData != null) {
		if (mParcelledData.hasFileDescriptors()) {
		fdFound = true;
		}
		} else {
		// It's been unparcelled, so we need to walk the map
		for (int i=mMap.size()-1; i>=0; i--) {
		Object obj = mMap.valueAt(i);
		if (Parcel.hasFileDescriptors(obj)) {
		fdFound = true;
		break;
		}
		}
		}

		if (fdFound) {
		mFlags \|= FLAG_HAS_FDS;
		} else {
		mFlags &= ~FLAG_HAS_FDS;
		}
		Parcel p = mParcelledData;
		mFlags = (Parcel.hasFileDescriptors((p != null) ? p : mMap))
		? mFlags \| FLAG_HAS_FDS
		: mFlags & ~FLAG_HAS_FDS;
		mFlags \|= FLAG_HAS_FDS_KNOWN;
		}
		return (mFlags & FLAG_HAS_FDS) != 0;

core/java/android/os/Parcel.java

+46 −33

Original line number	Diff line number	Diff line
		@@ -747,58 +747,71 @@ public final class Parcel {
		}

		/**
		* Check if the object used in {@link #readValue(ClassLoader)} / {@link #writeValue(Object)}
		* has file descriptors.
		* Check if the object has file descriptors.
		*
		* <p>Objects supported are {@link Parcel} and objects that can be passed to {@link
		* #writeValue(Object)}}
		*
		* <p>For most cases, it will use the self-reported {@link Parcelable#describeContents()} method
		* for that.
		*
		* @throws IllegalArgumentException if you provide any object not supported by above methods.
		* Most notably, if you pass {@link Parcel}, this method will throw, for that check
		* {@link Parcel#hasFileDescriptors()}
		* @throws IllegalArgumentException if you provide any object not supported by above methods
		* (including if the unsupported object is inside a nested container).
		*
		* @hide
		*/
		public static boolean hasFileDescriptors(Object value) {
		if (value instanceof LazyValue) {
		return ((LazyValue) value).hasFileDescriptors();
		if (value instanceof Parcel) {
		Parcel parcel = (Parcel) value;
		if (parcel.hasFileDescriptors()) {
		return true;
		}
		} else if (value instanceof LazyValue) {
		LazyValue lazy = (LazyValue) value;
		if (lazy.hasFileDescriptors()) {
		return true;
		}
		} else if (value instanceof Parcelable) {
		if ((((Parcelable) value).describeContents()
		& Parcelable.CONTENTS_FILE_DESCRIPTOR) != 0) {
		Parcelable parcelable = (Parcelable) value;
		if ((parcelable.describeContents() & Parcelable.CONTENTS_FILE_DESCRIPTOR) != 0) {
		return true;
		}
		} else if (value instanceof Parcelable[]) {
		Parcelable[] array = (Parcelable[]) value;
		for (int n = array.length - 1; n >= 0; n--) {
		Parcelable p = array[n];
		if (p != null && ((p.describeContents()
		& Parcelable.CONTENTS_FILE_DESCRIPTOR) != 0)) {
		} else if (value instanceof ArrayMap<?, ?>) {
		ArrayMap<?, ?> map = (ArrayMap<?, ?>) value;
		for (int i = 0, n = map.size(); i < n; i++) {
		if (hasFileDescriptors(map.keyAt(i))
		\|\| hasFileDescriptors(map.valueAt(i))) {
		return true;
		}
		}
		} else if (value instanceof SparseArray<?>) {
		SparseArray<?> array = (SparseArray<?>) value;
		for (int n = array.size() - 1; n >= 0; n--) {
		Object object = array.valueAt(n);
		if (object instanceof Parcelable) {
		Parcelable p = (Parcelable) object;
		if (p != null && (p.describeContents()
		& Parcelable.CONTENTS_FILE_DESCRIPTOR) != 0) {
		} else if (value instanceof Map<?, ?>) {
		Map<?, ?> map = (Map<?, ?>) value;
		for (Map.Entry<?, ?> entry : map.entrySet()) {
		if (hasFileDescriptors(entry.getKey())
		\|\| hasFileDescriptors(entry.getValue())) {
		return true;
		}
		}
		} else if (value instanceof List<?>) {
		List<?> list = (List<?>) value;
		for (int i = 0, n = list.size(); i < n; i++) {
		if (hasFileDescriptors(list.get(i))) {
		return true;
		}
		}
		} else if (value instanceof ArrayList<?>) {
		ArrayList<?> array = (ArrayList<?>) value;
		for (int n = array.size() - 1; n >= 0; n--) {
		Object object = array.get(n);
		if (object instanceof Parcelable) {
		Parcelable p = (Parcelable) object;
		if (p != null && ((p.describeContents()
		& Parcelable.CONTENTS_FILE_DESCRIPTOR) != 0)) {
		} else if (value instanceof SparseArray<?>) {
		SparseArray<?> array = (SparseArray<?>) value;
		for (int i = 0, n = array.size(); i < n; i++) {
		if (hasFileDescriptors(array.valueAt(i))) {
		return true;
		}
		}
		} else if (value instanceof Object[]) {
		Object[] array = (Object[]) value;
		for (int i = 0, n = array.length; i < n; i++) {
		if (hasFileDescriptors(array[i])) {
		return true;
		}
		}
		} else {
		getValueType(value); // Will throw if value is not supported