Merge "Make some NoCopySpans can pass to ContentCaptureService" into sc-dev (7063bae0) · Commits · e / os / android_frameworks_base

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

+106 −10

Original line number	Diff line number	Diff line
		@@ -25,8 +25,12 @@ import android.annotation.SystemApi;
		import android.graphics.Insets;
		import android.os.Parcel;
		import android.os.Parcelable;
		import android.text.Selection;
		import android.text.Spannable;
		import android.text.SpannableString;
		import android.util.Log;
		import android.view.autofill.AutofillId;
		import android.view.inputmethod.BaseInputConnection;

		import com.android.internal.util.Preconditions;

		@@ -132,6 +136,9 @@ public final class ContentCaptureEvent implements Parcelable {
		@Retention(RetentionPolicy.SOURCE)
		public @interface EventType{}

		/** @hide */
		public static final int MAX_INVALID_VALUE = -1;

		private final int mSessionId;
		private final int mType;
		private final long mEventTime;
		@@ -143,6 +150,11 @@ public final class ContentCaptureEvent implements Parcelable {
		private @Nullable ContentCaptureContext mClientContext;
		private @Nullable Insets mInsets;

		private int mComposingStart = MAX_INVALID_VALUE;
		private int mComposingEnd = MAX_INVALID_VALUE;
		private int mSelectionStartIndex = MAX_INVALID_VALUE;
		private int mSelectionEndIndex = MAX_INVALID_VALUE;

		/** Only used in the main Content Capture session, no need to parcel */
		private boolean mTextHasComposingSpan;

		@@ -246,19 +258,75 @@ public final class ContentCaptureEvent implements Parcelable {

		/** @hide */
		@NonNull
		public ContentCaptureEvent setText(@Nullable CharSequence text, boolean hasComposingSpan) {
		public ContentCaptureEvent setText(@Nullable CharSequence text) {
		mText = text;
		mTextHasComposingSpan = hasComposingSpan;
		return this;
		}

		/**
		* The value is not parcelled, become false after parcelled.
		* @hide
		*/
		/** @hide */
		@NonNull
		public ContentCaptureEvent setComposingIndex(int start, int end) {
		mComposingStart = start;
		mComposingEnd = end;
		return this;
		}

		/** @hide */
		@NonNull
		public boolean hasComposingSpan() {
		return mComposingStart > MAX_INVALID_VALUE;
		}

		/** @hide */
		@NonNull
		public boolean getTextHasComposingSpan() {
		return mTextHasComposingSpan;
		public ContentCaptureEvent setSelectionIndex(int start, int end) {
		mSelectionStartIndex = start;
		mSelectionEndIndex = end;
		return this;
		}

		private int getComposingStart() {
		return mComposingStart;
		}

		private int getComposingEnd() {
		return mComposingEnd;
		}

		private int getSelectionStart() {
		return mSelectionStartIndex;
		}

		private int getSelectionEnd() {
		return mSelectionEndIndex;
		}

		private void restoreComposingSpan() {
		if (mComposingStart <= MAX_INVALID_VALUE
		\|\| mComposingEnd <= MAX_INVALID_VALUE) {
		return;
		}
		if (mText instanceof Spannable) {
		BaseInputConnection.setComposingSpans((Spannable) mText, mComposingStart,
		mComposingEnd);
		} else {
		Log.w(TAG, "Text is not a Spannable.");
		}
		}

		private void restoreSelectionSpans() {
		if (mSelectionStartIndex <= MAX_INVALID_VALUE
		\|\| mSelectionEndIndex <= MAX_INVALID_VALUE) {
		return;
		}

		if (mText instanceof SpannableString) {
		SpannableString ss = (SpannableString) mText;
		ss.setSpan(Selection.SELECTION_START, mSelectionStartIndex, mSelectionStartIndex, 0);
		ss.setSpan(Selection.SELECTION_END, mSelectionEndIndex, mSelectionEndIndex, 0);
		} else {
		Log.w(TAG, "Text is not a SpannableString.");
		}
		}

		/** @hide */
		@@ -374,7 +442,9 @@ public final class ContentCaptureEvent implements Parcelable {
		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(), event.getTextHasComposingSpan());
		setText(event.getText());
		setComposingIndex(event.getComposingStart(), event.getComposingEnd());
		setSelectionIndex(event.getSelectionStart(), event.getSelectionEnd());
		} else {
		Log.e(TAG, "mergeEvent(" + getTypeAsString(eventType)
		+ ") does not support this event type.");
		@@ -409,6 +479,14 @@ public final class ContentCaptureEvent implements Parcelable {
		if (mInsets != null) {
		pw.print(", insets="); pw.println(mInsets);
		}
		if (mComposingStart > MAX_INVALID_VALUE) {
		pw.print(", composing("); pw.print(mComposingStart);
		pw.print(", "); pw.print(mComposingEnd); pw.print(")");
		}
		if (mSelectionStartIndex > MAX_INVALID_VALUE) {
		pw.print(", selection("); pw.print(mSelectionStartIndex);
		pw.print(", "); pw.print(mSelectionEndIndex); pw.print(")");
		}
		}

		@NonNull
		@@ -443,6 +521,12 @@ public final class ContentCaptureEvent implements Parcelable {
		if (mInsets != null) {
		string.append(", insets=").append(mInsets);
		}
		if (mComposingStart > MAX_INVALID_VALUE) {
		string.append(", hasComposing");
		}
		if (mSelectionStartIndex > MAX_INVALID_VALUE) {
		string.append(", hasSelection");
		}
		return string.append(']').toString();
		}

		@@ -469,6 +553,12 @@ public final class ContentCaptureEvent implements Parcelable {
		if (mType == TYPE_VIEW_INSETS_CHANGED) {
		parcel.writeParcelable(mInsets, flags);
		}
		if (mType == TYPE_VIEW_TEXT_CHANGED) {
		parcel.writeInt(mComposingStart);
		parcel.writeInt(mComposingEnd);
		parcel.writeInt(mSelectionStartIndex);
		parcel.writeInt(mSelectionEndIndex);
		}
		}

		public static final @android.annotation.NonNull Parcelable.Creator<ContentCaptureEvent> CREATOR =
		@@ -493,7 +583,7 @@ public final class ContentCaptureEvent implements Parcelable {
		if (node != null) {
		event.setViewNode(node);
		}
		event.setText(parcel.readCharSequence(), false);
		event.setText(parcel.readCharSequence());
		if (type == TYPE_SESSION_STARTED \|\| type == TYPE_SESSION_FINISHED) {
		event.setParentSessionId(parcel.readInt());
		}
		@@ -503,6 +593,12 @@ public final class ContentCaptureEvent implements Parcelable {
		if (type == TYPE_VIEW_INSETS_CHANGED) {
		event.setInsets(parcel.readParcelable(null));
		}
		if (type == TYPE_VIEW_TEXT_CHANGED) {
		event.setComposingIndex(parcel.readInt(), parcel.readInt());
		event.restoreComposingSpan();
		event.setSelectionIndex(parcel.readInt(), parcel.readInt());
		event.restoreSelectionSpans();
		}
		return event;
		}

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

+20 −7

Original line number	Diff line number	Diff line
		@@ -43,6 +43,7 @@ import android.os.Handler;
		import android.os.IBinder;
		import android.os.IBinder.DeathRecipient;
		import android.os.RemoteException;
		import android.text.Selection;
		import android.text.Spannable;
		import android.text.SpannableString;
		import android.text.Spanned;
		@@ -347,8 +348,8 @@ public final class MainContentCaptureSession extends ContentCaptureSession {
		// 2.2 last event doesn't have composing span: add.
		// Otherwise, merge.
		final CharSequence text = event.getText();
		final boolean textHasComposingSpan = event.getTextHasComposingSpan();
		if (textHasComposingSpan) {
		final boolean hasComposingSpan = event.hasComposingSpan();
		if (hasComposingSpan) {
		ContentCaptureEvent lastEvent = null;
		for (int index = mEvents.size() - 1; index >= 0; index--) {
		final ContentCaptureEvent tmpEvent = mEvents.get(index);
		@@ -357,7 +358,7 @@ public final class MainContentCaptureSession extends ContentCaptureSession {
		break;
		}
		}
		if (lastEvent != null && lastEvent.getTextHasComposingSpan()) {
		if (lastEvent != null && lastEvent.hasComposingSpan()) {
		final CharSequence lastText = lastEvent.getText();
		final boolean bothNonEmpty = !TextUtils.isEmpty(lastText)
		&& !TextUtils.isEmpty(text);
		@@ -705,12 +706,24 @@ public final class MainContentCaptureSession extends ContentCaptureSession {
		// a copy of its content so that its value will not be changed by subsequent updates
		// in the TextView.
		final CharSequence eventText = stringOrSpannedStringWithoutNoCopySpans(text);
		final boolean textHasComposingSpan =
		text instanceof Spannable && BaseInputConnection.getComposingSpanStart(
		(Spannable) text) >= 0;

		final int composingStart;
		final int composingEnd;
		if (text instanceof Spannable) {
		composingStart = BaseInputConnection.getComposingSpanStart((Spannable) text);
		composingEnd = BaseInputConnection.getComposingSpanEnd((Spannable) text);
		} else {
		composingStart = ContentCaptureEvent.MAX_INVALID_VALUE;
		composingEnd = ContentCaptureEvent.MAX_INVALID_VALUE;
		}

		final int startIndex = Selection.getSelectionStart(text);
		final int endIndex = Selection.getSelectionEnd(text);
		mHandler.post(() -> sendEvent(
		new ContentCaptureEvent(sessionId, TYPE_VIEW_TEXT_CHANGED)
		.setAutofillId(id).setText(eventText, textHasComposingSpan)));
		.setAutofillId(id).setText(eventText)
		.setComposingIndex(composingStart, composingEnd)
		.setSelectionIndex(startIndex, endIndex)));
		}

		private CharSequence stringOrSpannedStringWithoutNoCopySpans(CharSequence source) {

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

+8 −8

Original line number	Diff line number	Diff line
		@@ -236,13 +236,13 @@ public class ContentCaptureEventTest {
		@Test
		public void testMergeEvent_typeViewTextChanged() {
		final ContentCaptureEvent event = new ContentCaptureEvent(42, TYPE_VIEW_TEXT_CHANGED)
		.setText("test", false);
		.setText("test");
		final ContentCaptureEvent event2 = new ContentCaptureEvent(43, TYPE_VIEW_TEXT_CHANGED)
		.setText("empty", true);
		.setText("composing").setComposingIndex(0, 1);

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

		@Test
		@@ -283,18 +283,18 @@ public class ContentCaptureEventTest {
		@Test
		public void testMergeEvent_differentEventTypes() {
		final ContentCaptureEvent event = new ContentCaptureEvent(42, TYPE_VIEW_DISAPPEARED)
		.setText("test", false).setAutofillId(new AutofillId(1));
		.setText("test").setAutofillId(new AutofillId(1));
		final ContentCaptureEvent event2 = new ContentCaptureEvent(17, TYPE_VIEW_TEXT_CHANGED)
		.setText("empty", true).setAutofillId(new AutofillId(2));
		.setText("composing").setAutofillId(new AutofillId(2)).setComposingIndex(0, 1);

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

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