Lazily create AccessibilityEvent record list (502cb33f) · Commits · e / os / android_frameworks_base

core/java/android/view/accessibility/AccessibilityEvent.java

+38 −22

Original line number	Diff line number	Diff line
		@@ -722,7 +722,7 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		int mAction;
		int mContentChangeTypes;

		private final ArrayList<AccessibilityRecord> mRecords = new ArrayList<AccessibilityRecord>();
		private ArrayList<AccessibilityRecord> mRecords;

		/*
		* Hide constructor from clients.
		@@ -755,13 +755,15 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		@Override
		public void setSealed(boolean sealed) {
		super.setSealed(sealed);
		List<AccessibilityRecord> records = mRecords;
		final List<AccessibilityRecord> records = mRecords;
		if (records != null) {
		final int recordCount = records.size();
		for (int i = 0; i < recordCount; i++) {
		AccessibilityRecord record = records.get(i);
		record.setSealed(sealed);
		}
		}
		}

		/**
		* Gets the number of records contained in the event.
		@@ -769,7 +771,7 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		* @return The number of records.
		*/
		public int getRecordCount() {
		return mRecords.size();
		return mRecords == null ? 0 : mRecords.size();
		}

		/**
		@@ -781,6 +783,9 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		*/
		public void appendRecord(AccessibilityRecord record) {
		enforceNotSealed();
		if (mRecords == null) {
		mRecords = new ArrayList<AccessibilityRecord>();
		}
		mRecords.add(record);
		}

		@@ -791,6 +796,9 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		* @return The record at the specified index.
		*/
		public AccessibilityRecord getRecord(int index) {
		if (mRecords == null) {
		throw new IndexOutOfBoundsException("Invalid index " + index + ", size is 0");
		}
		return mRecords.get(index);
		}

		@@ -964,12 +972,15 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		AccessibilityEvent eventClone = AccessibilityEvent.obtain();
		eventClone.init(event);

		if (event.mRecords != null) {
		final int recordCount = event.mRecords.size();
		eventClone.mRecords = new ArrayList<AccessibilityRecord>(recordCount);
		for (int i = 0; i < recordCount; i++) {
		AccessibilityRecord record = event.mRecords.get(i);
		AccessibilityRecord recordClone = AccessibilityRecord.obtain(record);
		final AccessibilityRecord record = event.mRecords.get(i);
		final AccessibilityRecord recordClone = AccessibilityRecord.obtain(record);
		eventClone.mRecords.add(recordClone);
		}
		}

		return eventClone;
		}
		@@ -1013,11 +1024,13 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		mContentChangeTypes = 0;
		mPackageName = null;
		mEventTime = 0;
		if (mRecords != null) {
		while (!mRecords.isEmpty()) {
		AccessibilityRecord record = mRecords.remove(0);
		record.recycle();
		}
		}
		}

		/**
		* Creates a new instance from a {@link Parcel}.
		@@ -1037,6 +1050,8 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par

		// Read the records.
		final int recordCount = parcel.readInt();
		if (recordCount > 0) {
		mRecords = new ArrayList<AccessibilityRecord>(recordCount);
		for (int i = 0; i < recordCount; i++) {
		AccessibilityRecord record = AccessibilityRecord.obtain();
		readAccessibilityRecordFromParcel(record, parcel);
		@@ -1044,6 +1059,7 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		mRecords.add(record);
		}
		}
		}

		/**
		* Reads an {@link AccessibilityRecord} from a parcel.
		@@ -1147,8 +1163,8 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		builder.append("; ContentChangeTypes: ").append(mContentChangeTypes);
		builder.append("; sourceWindowId: ").append(mSourceWindowId);
		builder.append("; mSourceNodeId: ").append(mSourceNodeId);
		for (int i = 0; i < mRecords.size(); i++) {
		AccessibilityRecord record = mRecords.get(i);
		for (int i = 0; i < getRecordCount(); i++) {
		final AccessibilityRecord record = getRecord(i);
		builder.append(" Record ");
		builder.append(i);
		builder.append(":");