Added ContentCaptureEvent.mergeEvent() method for merging (0ce4719f) · Commits · e / os / android_frameworks_base

core/java/android/view/contentcapture/ContentCaptureEvent.java

+41 −0

Original line number	Diff line number	Diff line
		@@ -303,6 +303,47 @@ public final class ContentCaptureEvent implements Parcelable {
		return mText;
		}

		/**
		* Merges event of the same type, either {@link #TYPE_VIEW_TEXT_CHANGED}
		* or {@link #TYPE_VIEW_DISAPPEARED}.
		*
		* @hide
		*/
		public void mergeEvent(@NonNull ContentCaptureEvent event) {
		Preconditions.checkNotNull(event);
		final int eventType = event.getType();
		if (mType != eventType) {
		Log.e(TAG, "mergeEvent(" + getTypeAsString(eventType) + ") cannot be merged "
		+ "with different eventType=" + getTypeAsString(mType));
		return;
		}

		if (eventType == TYPE_VIEW_DISAPPEARED) {
		final List<AutofillId> ids = event.getIds();
		final AutofillId id = event.getId();
		if (ids != null) {
		if (id != null) {
		Log.w(TAG, "got TYPE_VIEW_DISAPPEARED event with both id and ids: " + event);
		}
		for (int i = 0; i < ids.size(); i++) {
		addAutofillId(ids.get(i));
		}
		return;
		}
		if (id != null) {
		addAutofillId(id);
		return;
		}
		throw new IllegalArgumentException("mergeEvent(): got "
		+ "TYPE_VIEW_DISAPPEARED event with neither id or ids: " + event);
		} else if (eventType == TYPE_VIEW_TEXT_CHANGED) {
		setText(event.getText());
		} else {
		Log.e(TAG, "mergeEvent(" + getTypeAsString(eventType)
		+ ") does not support this event type.");
		}
		}

		/** @hide */
		public void dump(@NonNull PrintWriter pw) {
		pw.print("type="); pw.print(getTypeAsString(mType));

core/java/android/view/contentcapture/MainContentCaptureSession.java

+2 −27

Original line number	Diff line number	Diff line
		@@ -295,8 +295,7 @@ public final class MainContentCaptureSession extends ContentCaptureSession {
		Log.v(TAG, "Buffering VIEW_TEXT_CHANGED event, updated text="
		+ getSanitizedString(event.getText()));
		}
		// TODO(b/124107816): should call lastEvent.merge(event) instead
		lastEvent.setText(event.getText());
		lastEvent.mergeEvent(event);
		addEvent = false;
		}
		}
		@@ -309,7 +308,7 @@ public final class MainContentCaptureSession extends ContentCaptureSession {
		Log.v(TAG, "Buffering TYPE_VIEW_DISAPPEARED events for session "
		+ lastEvent.getSessionId());
		}
		mergeViewsDisappearedEvent(lastEvent, event);
		lastEvent.mergeEvent(event);
		addEvent = false;
		}
		}
		@@ -357,30 +356,6 @@ public final class MainContentCaptureSession extends ContentCaptureSession {
		flush(flushReason);
		}

		// TODO(b/124107816): should be ContentCaptureEvent Event.merge(event) instead (which would
		// replace the addAutofillId() method - we would also need unit tests on ContentCaptureEventTest
		// to check these scenarios)
		private void mergeViewsDisappearedEvent(@NonNull ContentCaptureEvent lastEvent,
		@NonNull ContentCaptureEvent event) {
		final List<AutofillId> ids = event.getIds();
		final AutofillId id = event.getId();
		if (ids != null) {
		if (id != null) {
		Log.w(TAG, "got TYPE_VIEW_DISAPPEARED event with both id and ids: " + event);
		}
		for (int i = 0; i < ids.size(); i++) {
		lastEvent.addAutofillId(ids.get(i));
		}
		return;
		}
		if (id != null) {
		lastEvent.addAutofillId(id);
		return;
		}
		throw new IllegalArgumentException(
		"got TYPE_VIEW_DISAPPEARED event with neither id or ids: " + event);
		}

		@UiThread
		private boolean hasStarted() {
		return mState != UNKNOWN_STATE;

core/tests/coretests/src/android/view/contentcapture/ContentCaptureEventTest.java

+63 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ import static android.view.contentcapture.ContentCaptureEvent.TYPE_CONTEXT_UPDAT
		import static android.view.contentcapture.ContentCaptureEvent.TYPE_SESSION_FINISHED;
		import static android.view.contentcapture.ContentCaptureEvent.TYPE_SESSION_STARTED;
		import static android.view.contentcapture.ContentCaptureEvent.TYPE_VIEW_DISAPPEARED;
		import static android.view.contentcapture.ContentCaptureEvent.TYPE_VIEW_TEXT_CHANGED;

		import static com.google.common.truth.Truth.assertThat;

		@@ -230,6 +231,68 @@ public class ContentCaptureEventTest {
		assertContextUpdatedEvent(clone);
		}

		@Test
		public void testMergeEvent_typeViewTextChanged() {
		final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_TEXT_CHANGED)
		.setText("test");
		final ContentCaptureEvent event2 = new ContentCaptureEvent("43", TYPE_VIEW_TEXT_CHANGED)
		.setText("empty");

		event.mergeEvent(event2);
		assertThat(event.getText()).isEqualTo(event2.getText());
		}

		@Test
		public void testMergeEvent_typeViewDisappeared() {
		final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED)
		.setAutofillId(new AutofillId(1));
		final ContentCaptureEvent event2 = new ContentCaptureEvent("43", TYPE_VIEW_DISAPPEARED)
		.setAutofillId(new AutofillId(2));
		final ArrayList<AutofillId> autofillIds = new ArrayList<>();
		autofillIds.add(new AutofillId(3));
		autofillIds.add(new AutofillId(4));
		final ContentCaptureEvent event3 = new ContentCaptureEvent("17", TYPE_VIEW_DISAPPEARED)
		.setAutofillIds(autofillIds);

		event.mergeEvent(event2);
		assertThat(event.getIds()).containsExactly(new AutofillId(1), new AutofillId(2));

		event2.mergeEvent(event3);
		assertThat(event2.getIds()).containsExactly(new AutofillId(2), new AutofillId(3),
		new AutofillId(4));
		}

		@Test
		public void testMergeEvent_typeViewDisappeared_noIds() {
		final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED)
		.setAutofillId(new AutofillId(1));
		final ContentCaptureEvent event2 = new ContentCaptureEvent("43", TYPE_VIEW_DISAPPEARED);

		assertThrows(IllegalArgumentException.class, () -> event.mergeEvent(event2));
		}

		@Test
		public void testMergeEvent_nullArgument() {
		final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);
		assertThrows(NullPointerException.class, () -> event.mergeEvent(null));
		}

		@Test
		public void testMergeEvent_differentEventTypes() {
		final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED)
		.setText("test").setAutofillId(new AutofillId(1));
		final ContentCaptureEvent event2 = new ContentCaptureEvent("17", TYPE_VIEW_TEXT_CHANGED)
		.setText("empty").setAutofillId(new AutofillId(2));

		event.mergeEvent(event2);
		assertThat(event.getText()).isEqualTo("test");
		assertThat(event.getId()).isEqualTo(new AutofillId(1));

		event2.mergeEvent(event);
		assertThat(event2.getText()).isEqualTo("empty");
		assertThat(event2.getId()).isEqualTo(new AutofillId(2));
		}

		private void assertContextUpdatedEvent(ContentCaptureEvent event) {
		assertThat(event.getType()).isEqualTo(TYPE_CONTEXT_UPDATED);
		assertThat(event.getEventTime()).isAtLeast(MY_EPOCH);