Merge "Call OnPrimaryClipChanged when classification status changes." into... (1fbcb082) · Commits · e / os / android_frameworks_base

core/java/android/content/ClipboardManager.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -100,6 +100,10 @@ public class ClipboardManager extends android.text.ClipboardManager {
		/**
		* Callback that is invoked by {@link android.content.ClipboardManager} when the primary
		* clip changes.
		*
		* <p>This is called when the result of {@link ClipDescription#getClassificationStatus()}
		* changes, as well as when new clip data is set. So in cases where text classification is
		* performed, this callback may be invoked multiple times for the same clip.
		*/
		void onPrimaryClipChanged();
		}

services/core/java/com/android/server/clipboard/ClipboardService.java

+53 −11

Original line number	Diff line number	Diff line
		@@ -606,6 +606,10 @@ public class ClipboardService extends SystemService {
		description.setTimestamp(System.currentTimeMillis());
		}
		}
		sendClipChangedBroadcast(clipboard);
		}

		private void sendClipChangedBroadcast(PerUserClipboard clipboard) {
		final long ident = Binder.clearCallingIdentity();
		final int n = clipboard.primaryClipListeners.beginBroadcast();
		try {
		@@ -632,7 +636,8 @@ public class ClipboardService extends SystemService {

		@GuardedBy("mLock")
		private void startClassificationLocked(@NonNull ClipData clip, @UserIdInt int userId) {
		if (clip.getItemCount() == 0) {
		CharSequence text = (clip.getItemCount() == 0) ? null : clip.getItemAt(0).getText();
		if (TextUtils.isEmpty(text) \|\| text.length() > mMaxClassificationLength) {
		clip.getDescription().setClassificationStatus(
		ClipDescription.CLASSIFICATION_NOT_PERFORMED);
		return;
		@@ -650,20 +655,17 @@ public class ClipboardService extends SystemService {
		} finally {
		Binder.restoreCallingIdentity(ident);
		}
		CharSequence text = clip.getItemAt(0).getText();
		if (TextUtils.isEmpty(text) \|\| text.length() > mMaxClassificationLength
		\|\| text.length() > classifier.getMaxGenerateLinksTextLength()) {
		if (text.length() > classifier.getMaxGenerateLinksTextLength()) {
		clip.getDescription().setClassificationStatus(
		ClipDescription.CLASSIFICATION_NOT_PERFORMED);
		return;
		}
		getClipboardLocked(userId).mTextClassifier = classifier;
		mWorkerHandler.post(() -> doClassification(text, clip, classifier));
		mWorkerHandler.post(() -> doClassification(text, clip, classifier, userId));
		}

		@WorkerThread
		private void doClassification(
		CharSequence text, ClipData clip, TextClassifier classifier) {
		CharSequence text, ClipData clip, TextClassifier classifier, @UserIdInt int userId) {
		TextLinks.Request request = new TextLinks.Request.Builder(text).build();
		TextLinks links = classifier.generateLinks(request);

		@@ -680,11 +682,51 @@ public class ClipboardService extends SystemService {
		}

		synchronized (mLock) {
		clip.getDescription().setConfidenceScores(confidences);
		PerUserClipboard clipboard = getClipboardLocked(userId);
		if (clipboard.primaryClip == clip) {
		applyClassificationAndSendBroadcastLocked(
		clipboard, confidences, links, classifier);

		// Also apply to related profiles if needed
		List<UserInfo> related = getRelatedProfiles(userId);
		if (related != null) {
		int size = related.size();
		for (int i = 0; i < size; i++) {
		int id = related.get(i).id;
		if (id != userId) {
		final boolean canCopyIntoProfile = !hasRestriction(
		UserManager.DISALLOW_SHARE_INTO_MANAGED_PROFILE, id);
		if (canCopyIntoProfile) {
		PerUserClipboard relatedClipboard = getClipboardLocked(id);
		if (hasTextLocked(relatedClipboard, text)) {
		applyClassificationAndSendBroadcastLocked(
		relatedClipboard, confidences, links, classifier);
		}
		}
		}
		}
		}
		}
		}
		}

		@GuardedBy("mLock")
		private void applyClassificationAndSendBroadcastLocked(
		PerUserClipboard clipboard, ArrayMap<String, Float> confidences, TextLinks links,
		TextClassifier classifier) {
		clipboard.mTextClassifier = classifier;
		clipboard.primaryClip.getDescription().setConfidenceScores(confidences);
		if (!links.getLinks().isEmpty()) {
		clip.getItemAt(0).setTextLinks(links);
		clipboard.primaryClip.getItemAt(0).setTextLinks(links);
		}
		sendClipChangedBroadcast(clipboard);
		}

		@GuardedBy("mLock")
		private boolean hasTextLocked(PerUserClipboard clipboard, @NonNull CharSequence text) {
		return clipboard.primaryClip != null
		&& clipboard.primaryClip.getItemCount() > 0
		&& text.equals(clipboard.primaryClip.getItemAt(0).getText());
		}

		private boolean isDeviceLocked(@UserIdInt int userId) {