Add selection properties to CollectionInfo, CollectionItemInfo (76769ae0) · Commits · e / os / android_frameworks_base

api/current.txt

+5 −0

Original line number	Diff line number	Diff line
		@@ -30255,8 +30255,12 @@ package android.view.accessibility {
		public static final class AccessibilityNodeInfo.CollectionInfo {
		method public int getColumnCount();
		method public int getRowCount();
		method public int getSelectionMode();
		method public boolean isHierarchical();
		method public static android.view.accessibility.AccessibilityNodeInfo.CollectionInfo obtain(int, int, boolean);
		field public static final int SELECTION_MODE_MULTIPLE = 2; // 0x2
		field public static final int SELECTION_MODE_NONE = 0; // 0x0
		field public static final int SELECTION_MODE_SINGLE = 1; // 0x1
		}

		public static final class AccessibilityNodeInfo.CollectionItemInfo {
		@@ -30265,6 +30269,7 @@ package android.view.accessibility {
		method public int getRowIndex();
		method public int getRowSpan();
		method public boolean isHeading();
		method public boolean isSelected();
		method public static android.view.accessibility.AccessibilityNodeInfo.CollectionItemInfo obtain(int, int, int, int, boolean);
		}

core/java/android/view/accessibility/AccessibilityNodeInfo.java

+95 −17

Original line number	Diff line number	Diff line
		@@ -2283,6 +2283,7 @@ public class AccessibilityNodeInfo implements Parcelable {
		parcel.writeInt(mCollectionInfo.getRowCount());
		parcel.writeInt(mCollectionInfo.getColumnCount());
		parcel.writeInt(mCollectionInfo.isHierarchical() ? 1 : 0);
		parcel.writeInt(mCollectionInfo.getSelectionMode());
		} else {
		parcel.writeInt(0);
		}
		@@ -2294,6 +2295,7 @@ public class AccessibilityNodeInfo implements Parcelable {
		parcel.writeInt(mCollectionItemInfo.getRowIndex());
		parcel.writeInt(mCollectionItemInfo.getRowSpan());
		parcel.writeInt(mCollectionItemInfo.isHeading() ? 1 : 0);
		parcel.writeInt(mCollectionItemInfo.isSelected() ? 1 : 0);
		} else {
		parcel.writeInt(0);
		}
		@@ -2420,7 +2422,8 @@ public class AccessibilityNodeInfo implements Parcelable {
		mCollectionInfo = CollectionInfo.obtain(
		parcel.readInt(),
		parcel.readInt(),
		parcel.readInt() == 1);
		parcel.readInt() == 1,
		parcel.readInt());
		}

		if (parcel.readInt() == 1) {
		@@ -2429,6 +2432,7 @@ public class AccessibilityNodeInfo implements Parcelable {
		parcel.readInt(),
		parcel.readInt(),
		parcel.readInt(),
		parcel.readInt() == 1,
		parcel.readInt() == 1);
		}
		}
		@@ -2786,6 +2790,15 @@ public class AccessibilityNodeInfo implements Parcelable {
		* </p>
		*/
		public static final class CollectionInfo {
		/** Selection mode where items are not selectable. */
		public static final int SELECTION_MODE_NONE = 0;

		/** Selection mode where a single item may be selected. */
		public static final int SELECTION_MODE_SINGLE = 1;

		/** Selection mode where multiple items may be selected. */
		public static final int SELECTION_MODE_MULTIPLE = 2;

		private static final int MAX_POOL_SIZE = 20;

		private static final SynchronizedPool<CollectionInfo> sPool =
		@@ -2794,17 +2807,17 @@ public class AccessibilityNodeInfo implements Parcelable {
		private int mRowCount;
		private int mColumnCount;
		private boolean mHierarchical;
		private int mSelectionMode;

		/**
		* Obtains a pooled instance that is a clone of another one.
		*
		* @param other The instance to clone.
		*
		* @hide
		*/
		public static CollectionInfo obtain(CollectionInfo other) {
		return CollectionInfo.obtain(other.mRowCount, other.mColumnCount,
		other.mHierarchical);
		return CollectionInfo.obtain(other.mRowCount, other.mColumnCount, other.mHierarchical,
		other.mSelectionMode);
		}

		/**
		@@ -2814,15 +2827,35 @@ public class AccessibilityNodeInfo implements Parcelable {
		* @param columnCount The number of columns.
		* @param hierarchical Whether the collection is hierarchical.
		*/
		public static CollectionInfo obtain(int rowCount, int columnCount, boolean hierarchical) {
		public static CollectionInfo obtain(int rowCount, int columnCount,
		boolean hierarchical) {
		return obtain(rowCount, columnCount, hierarchical, SELECTION_MODE_NONE);
		}

		/**
		* Obtains a pooled instance.
		*
		* @param rowCount The number of rows.
		* @param columnCount The number of columns.
		* @param hierarchical Whether the collection is hierarchical.
		* @param selectionMode The collection's selection mode, one of:
		* <ul>
		* <li>{@link #SELECTION_MODE_NONE}
		* <li>{@link #SELECTION_MODE_SINGLE}
		* <li>{@link #SELECTION_MODE_MULTIPLE}
		* </ul>
		*/
		public static CollectionInfo obtain(int rowCount, int columnCount,
		boolean hierarchical, int selectionMode) {
		final CollectionInfo info = sPool.acquire();
		if (info == null) {
		return new CollectionInfo(rowCount, columnCount, hierarchical);
		return new CollectionInfo(rowCount, columnCount, hierarchical, selectionMode);
		}

		info.mRowCount = rowCount;
		info.mColumnCount = columnCount;
		info.mHierarchical = hierarchical;
		info.mSelectionMode = selectionMode;
		return info;
		}

		@@ -2832,12 +2865,14 @@ public class AccessibilityNodeInfo implements Parcelable {
		* @param rowCount The number of rows.
		* @param columnCount The number of columns.
		* @param hierarchical Whether the collection is hierarchical.
		* @param selectionMode The collection's selection mode.
		*/
		private CollectionInfo(int rowCount, int columnCount,
		boolean hierarchical) {
		private CollectionInfo(int rowCount, int columnCount, boolean hierarchical,
		int selectionMode) {
		mRowCount = rowCount;
		mColumnCount = columnCount;
		mHierarchical = hierarchical;
		mSelectionMode = selectionMode;
		}

		/**
		@@ -2867,6 +2902,20 @@ public class AccessibilityNodeInfo implements Parcelable {
		return mHierarchical;
		}

		/**
		* Gets the collection's selection mode.
		*
		* @return The collection's selection mode, one of:
		* <ul>
		* <li>{@link #SELECTION_MODE_NONE}
		* <li>{@link #SELECTION_MODE_SINGLE}
		* <li>{@link #SELECTION_MODE_MULTIPLE}
		* </ul>
		*/
		public int getSelectionMode() {
		return mSelectionMode;
		}

		/**
		* Recycles this instance.
		*/
		@@ -2879,6 +2928,7 @@ public class AccessibilityNodeInfo implements Parcelable {
		mRowCount = 0;
		mColumnCount = 0;
		mHierarchical = false;
		mSelectionMode = SELECTION_MODE_NONE;
		}
		}

		@@ -2904,12 +2954,25 @@ public class AccessibilityNodeInfo implements Parcelable {
		* Obtains a pooled instance that is a clone of another one.
		*
		* @param other The instance to clone.
		*
		* @hide
		*/
		public static CollectionItemInfo obtain(CollectionItemInfo other) {
		return CollectionItemInfo.obtain(other.mRowIndex, other.mRowSpan,
		other.mColumnIndex, other.mColumnSpan, other.mHeading);
		return CollectionItemInfo.obtain(other.mRowIndex, other.mRowSpan, other.mColumnIndex,
		other.mColumnSpan, other.mHeading, other.mSelected);
		}

		/**
		* Obtains a pooled instance.
		*
		* @param rowIndex The row index at which the item is located.
		* @param rowSpan The number of rows the item spans.
		* @param columnIndex The column index at which the item is located.
		* @param columnSpan The number of columns the item spans.
		* @param heading Whether the item is a heading.
		*/
		public static CollectionItemInfo obtain(int rowIndex, int rowSpan,
		int columnIndex, int columnSpan, boolean heading) {
		return obtain(rowIndex, rowSpan, columnIndex, columnSpan, heading, false);
		}

		/**
		@@ -2920,12 +2983,14 @@ public class AccessibilityNodeInfo implements Parcelable {
		* @param columnIndex The column index at which the item is located.
		* @param columnSpan The number of columns the item spans.
		* @param heading Whether the item is a heading.
		* @param selected Whether the item is selected.
		*/
		public static CollectionItemInfo obtain(int rowIndex, int rowSpan, int columnIndex,
		int columnSpan, boolean heading) {
		public static CollectionItemInfo obtain(int rowIndex, int rowSpan,
		int columnIndex, int columnSpan, boolean heading, boolean selected) {
		final CollectionItemInfo info = sPool.acquire();
		if (info == null) {
		return new CollectionItemInfo(rowIndex, rowSpan, columnIndex, columnSpan, heading);
		return new CollectionItemInfo(
		rowIndex, rowSpan, columnIndex, columnSpan, heading, selected);
		}

		info.mRowIndex = rowIndex;
		@@ -2933,6 +2998,7 @@ public class AccessibilityNodeInfo implements Parcelable {
		info.mColumnIndex = columnIndex;
		info.mColumnSpan = columnSpan;
		info.mHeading = heading;
		info.mSelected = selected;
		return info;
		}

		@@ -2941,6 +3007,7 @@ public class AccessibilityNodeInfo implements Parcelable {
		private int mRowIndex;
		private int mColumnSpan;
		private int mRowSpan;
		private boolean mSelected;

		/**
		* Creates a new instance.
		@@ -2951,13 +3018,14 @@ public class AccessibilityNodeInfo implements Parcelable {
		* @param columnSpan The number of columns the item spans.
		* @param heading Whether the item is a heading.
		*/
		private CollectionItemInfo(int rowIndex, int rowSpan,
		int columnIndex, int columnSpan, boolean heading) {
		private CollectionItemInfo(int rowIndex, int rowSpan, int columnIndex, int columnSpan,
		boolean heading, boolean selected) {
		mRowIndex = rowIndex;
		mRowSpan = rowSpan;
		mColumnIndex = columnIndex;
		mColumnSpan = columnSpan;
		mHeading = heading;
		mSelected = selected;
		}

		/**
		@@ -3006,6 +3074,15 @@ public class AccessibilityNodeInfo implements Parcelable {
		return mHeading;
		}

		/**
		* Gets if the collection item is selected.
		*
		* @return If the item is selected.
		*/
		public boolean isSelected() {
		return mSelected;
		}

		/**
		* Recycles this instance.
		*/
		@@ -3020,6 +3097,7 @@ public class AccessibilityNodeInfo implements Parcelable {
		mRowIndex = 0;
		mRowSpan = 0;
		mHeading = false;
		mSelected = false;
		}
		}

core/java/android/widget/AbsListView.java

+16 −0

Original line number	Diff line number	Diff line
		@@ -61,6 +61,7 @@ import android.view.ViewTreeObserver;
		import android.view.accessibility.AccessibilityEvent;
		import android.view.accessibility.AccessibilityManager;
		import android.view.accessibility.AccessibilityNodeInfo;
		import android.view.accessibility.AccessibilityNodeInfo.CollectionInfo;
		import android.view.animation.AccelerateDecelerateInterpolator;
		import android.view.animation.AnimationUtils;
		import android.view.animation.Interpolator;
		@@ -1491,6 +1492,21 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
		}
		}

		int getSelectionModeForAccessibility() {
		final int choiceMode = getChoiceMode();
		switch (choiceMode) {
		case CHOICE_MODE_NONE:
		return CollectionInfo.SELECTION_MODE_NONE;
		case CHOICE_MODE_SINGLE:
		return CollectionInfo.SELECTION_MODE_SINGLE;
		case CHOICE_MODE_MULTIPLE:
		case CHOICE_MODE_MULTIPLE_MODAL:
		return CollectionInfo.SELECTION_MODE_MULTIPLE;
		default:
		return CollectionInfo.SELECTION_MODE_NONE;
		}
		}

		@Override
		public boolean performAccessibilityAction(int action, Bundle arguments) {
		if (super.performAccessibilityAction(action, arguments)) {

core/java/android/widget/GridView.java

+6 −2

Original line number	Diff line number	Diff line
		@@ -2327,7 +2327,9 @@ public class GridView extends AbsListView {

		final int columnsCount = getNumColumns();
		final int rowsCount = getCount() / columnsCount;
		final CollectionInfo collectionInfo = CollectionInfo.obtain(columnsCount, rowsCount, false);
		final int selectionMode = getSelectionModeForAccessibility();
		final CollectionInfo collectionInfo = CollectionInfo.obtain(
		columnsCount, rowsCount, false, selectionMode);
		info.setCollectionInfo(collectionInfo);
		}

		@@ -2354,7 +2356,9 @@ public class GridView extends AbsListView {

		final LayoutParams lp = (LayoutParams) view.getLayoutParams();
		final boolean isHeading = lp != null && lp.viewType != ITEM_VIEW_TYPE_HEADER_OR_FOOTER;
		final CollectionItemInfo itemInfo = CollectionItemInfo.obtain(column, 1, row, 1, isHeading);
		final boolean isSelected = isItemChecked(position);
		final CollectionItemInfo itemInfo = CollectionItemInfo.obtain(
		column, 1, row, 1, isHeading, isSelected);
		info.setCollectionItemInfo(itemInfo);
		}
		}

core/java/android/widget/ListView.java

+5 −2

Original line number	Diff line number	Diff line
		@@ -3796,7 +3796,8 @@ public class ListView extends AbsListView {
		info.setClassName(ListView.class.getName());

		final int count = getCount();
		final CollectionInfo collectionInfo = CollectionInfo.obtain(1, count, false);
		final int selectionMode = getSelectionModeForAccessibility();
		final CollectionInfo collectionInfo = CollectionInfo.obtain(1, count, false, selectionMode);
		info.setCollectionInfo(collectionInfo);
		}

		@@ -3807,7 +3808,9 @@ public class ListView extends AbsListView {

		final LayoutParams lp = (LayoutParams) view.getLayoutParams();
		final boolean isHeading = lp != null && lp.viewType != ITEM_VIEW_TYPE_HEADER_OR_FOOTER;
		final CollectionItemInfo itemInfo = CollectionItemInfo.obtain(0, 1, position, 1, isHeading);
		final boolean isSelected = isItemChecked(position);
		final CollectionItemInfo itemInfo = CollectionItemInfo.obtain(
		0, 1, position, 1, isHeading, isSelected);
		info.setCollectionItemInfo(itemInfo);
		}
		}