DO NOT MERGE - Re-add ContentCapture support from standard SDK toolkit. (3fe70c6a) · Commits · e / os / android_frameworks_base

api/test-current.txt

+9 −0

Original line number	Diff line number	Diff line
		@@ -3171,10 +3171,13 @@ package android.view {
		}

		@UiThread public class View implements android.view.accessibility.AccessibilityEventSource android.graphics.drawable.Drawable.Callback android.view.KeyEvent.Callback {
		method @android.view.ViewDebug.ExportedProperty(mapping={@android.view.ViewDebug.IntToString(from=android.view.View.IMPORTANT_FOR_CONTENT_CAPTURE_AUTO, to="auto"), @android.view.ViewDebug.IntToString(from=android.view.View.IMPORTANT_FOR_CONTENT_CAPTURE_YES, to="yes"), @android.view.ViewDebug.IntToString(from=android.view.View.IMPORTANT_FOR_CONTENT_CAPTURE_NO, to="no"), @android.view.ViewDebug.IntToString(from=android.view.View.IMPORTANT_FOR_CONTENT_CAPTURE_YES_EXCLUDE_DESCENDANTS, to="yesExcludeDescendants"), @android.view.ViewDebug.IntToString(from=android.view.View.IMPORTANT_FOR_CONTENT_CAPTURE_NO_EXCLUDE_DESCENDANTS, to="noExcludeDescendants")}) public int getImportantForContentCapture();
		method public android.view.View getTooltipView();
		method public boolean isAutofilled();
		method public static boolean isDefaultFocusHighlightEnabled();
		method public boolean isDefaultFocusHighlightNeeded(android.graphics.drawable.Drawable, android.graphics.drawable.Drawable);
		method public final boolean isImportantForContentCapture();
		method public void onProvideContentCaptureStructure(@NonNull android.view.ViewStructure, int);
		method protected void resetResolvedDrawables();
		method public void resetResolvedLayoutDirection();
		method public void resetResolvedPadding();
		@@ -3185,7 +3188,13 @@ package android.view {
		method public boolean restoreFocusNotInCluster();
		method public void setAutofilled(boolean);
		method public final void setFocusedInCluster();
		method public void setImportantForContentCapture(int);
		method public void setIsRootNamespace(boolean);
		field public static final int IMPORTANT_FOR_CONTENT_CAPTURE_AUTO = 0; // 0x0
		field public static final int IMPORTANT_FOR_CONTENT_CAPTURE_NO = 2; // 0x2
		field public static final int IMPORTANT_FOR_CONTENT_CAPTURE_NO_EXCLUDE_DESCENDANTS = 8; // 0x8
		field public static final int IMPORTANT_FOR_CONTENT_CAPTURE_YES = 1; // 0x1
		field public static final int IMPORTANT_FOR_CONTENT_CAPTURE_YES_EXCLUDE_DESCENDANTS = 4; // 0x4
		}

		public class ViewConfiguration {

core/java/android/view/View.java

+559 −0

File changed.

Preview size limit exceeded, changes collapsed.

core/java/android/view/ViewGroup.java

+52 −8

Original line number	Diff line number	Diff line
		@@ -3606,7 +3606,7 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		return;
		}

		final ChildListForAutofill children = getChildrenForAutofill(flags);
		final ChildListForAutoFillOrContentCapture children = getChildrenForAutofill(flags);
		final int childrenCount = children.size();
		structure.setChildCount(childrenCount);
		for (int i = 0; i < childrenCount; i++) {
		@@ -3617,14 +3617,30 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		children.recycle();
		}

		/** @hide */
		@Override
		public void dispatchProvideContentCaptureStructure() {
		super.dispatchProvideContentCaptureStructure();

		if (!isLaidOut()) return;

		final ChildListForAutoFillOrContentCapture children = getChildrenForContentCapture();
		final int childrenCount = children.size();
		for (int i = 0; i < childrenCount; i++) {
		final View child = children.get(i);
		child.dispatchProvideContentCaptureStructure();
		}
		children.recycle();
		}

		/**
		* Gets the children for autofill. Children for autofill are the first
		* level descendants that are important for autofill. The returned
		* child list object is pooled and the caller must recycle it once done.
		* @hide */
		private @NonNull ChildListForAutofill getChildrenForAutofill(
		private @NonNull ChildListForAutoFillOrContentCapture getChildrenForAutofill(
		@AutofillFlags int flags) {
		final ChildListForAutofill children = ChildListForAutofill
		final ChildListForAutoFillOrContentCapture children = ChildListForAutoFillOrContentCapture
		.obtain();
		populateChildrenForAutofill(children, flags);
		return children;
		@@ -3652,6 +3668,34 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		}
		}

		private @NonNull ChildListForAutoFillOrContentCapture getChildrenForContentCapture() {
		final ChildListForAutoFillOrContentCapture children = ChildListForAutoFillOrContentCapture
		.obtain();
		populateChildrenForContentCapture(children);
		return children;
		}

		/** @hide */
		private void populateChildrenForContentCapture(ArrayList<View> list) {
		final int childrenCount = mChildrenCount;
		if (childrenCount <= 0) {
		return;
		}
		final ArrayList<View> preorderedList = buildOrderedChildList();
		final boolean customOrder = preorderedList == null
		&& isChildrenDrawingOrderEnabled();
		for (int i = 0; i < childrenCount; i++) {
		final int childIndex = getAndVerifyPreorderedIndex(childrenCount, i, customOrder);
		final View child = (preorderedList == null)
		? mChildren[childIndex] : preorderedList.get(childIndex);
		if (child.isImportantForContentCapture()) {
		list.add(child);
		} else if (child instanceof ViewGroup) {
		((ViewGroup) child).populateChildrenForContentCapture(list);
		}
		}
		}

		private static View getAndVerifyPreorderedView(ArrayList<View> preorderedList, View[] children,
		int childIndex) {
		final View child;
		@@ -8634,16 +8678,16 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		/**
		* Pooled class that to hold the children for autifill.
		*/
		private static class ChildListForAutofill extends ArrayList<View> {
		private static class ChildListForAutoFillOrContentCapture extends ArrayList<View> {
		private static final int MAX_POOL_SIZE = 32;

		private static final Pools.SimplePool<ChildListForAutofill> sPool =
		private static final Pools.SimplePool<ChildListForAutoFillOrContentCapture> sPool =
		new Pools.SimplePool<>(MAX_POOL_SIZE);

		public static ChildListForAutofill obtain() {
		ChildListForAutofill list = sPool.acquire();
		public static ChildListForAutoFillOrContentCapture obtain() {
		ChildListForAutoFillOrContentCapture list = sPool.acquire();
		if (list == null) {
		list = new ChildListForAutofill();
		list = new ChildListForAutoFillOrContentCapture();
		}
		return list;
		}

core/java/android/view/ViewRootImpl.java

+157 −0

Original line number	Diff line number	Diff line
		@@ -105,7 +105,11 @@ import android.view.accessibility.IAccessibilityInteractionConnection;
		import android.view.accessibility.IAccessibilityInteractionConnectionCallback;
		import android.view.animation.AccelerateDecelerateInterpolator;
		import android.view.animation.Interpolator;
		import android.view.autofill.AutofillId;
		import android.view.autofill.AutofillManager;
		import android.view.contentcapture.ContentCaptureManager;
		import android.view.contentcapture.ContentCaptureSession;
		import android.view.contentcapture.MainContentCaptureSession;
		import android.view.inputmethod.InputMethodManager;
		import android.widget.Scroller;

		@@ -220,6 +224,21 @@ public final class ViewRootImpl implements ViewParent,
		*/
		static final int MAX_TRACKBALL_DELAY = 250;

		/**
		* Initial value for {@link #mContentCaptureEnabled}.
		*/
		private static final int CONTENT_CAPTURE_ENABLED_NOT_CHECKED = 0;

		/**
		* Value for {@link #mContentCaptureEnabled} when it was checked and set to {@code true}.
		*/
		private static final int CONTENT_CAPTURE_ENABLED_TRUE = 1;

		/**
		* Value for {@link #mContentCaptureEnabled} when it was checked and set to {@code false}.
		*/
		private static final int CONTENT_CAPTURE_ENABLED_FALSE = 2;

		@UnsupportedAppUsage
		static final ThreadLocal<HandlerActionQueue> sRunQueues = new ThreadLocal<HandlerActionQueue>();

		@@ -410,6 +429,10 @@ public final class ViewRootImpl implements ViewParent,
		boolean mLayoutRequested;
		boolean mFirst;

		@Nullable
		int mContentCaptureEnabled = CONTENT_CAPTURE_ENABLED_NOT_CHECKED;
		boolean mPerformContentCapture;

		boolean mReportNextDraw;
		boolean mFullRedrawNeeded;
		boolean mNewSurfaceNeeded;
		@@ -607,6 +630,7 @@ public final class ViewRootImpl implements ViewParent,
		mTransparentRegion = new Region();
		mPreviousTransparentRegion = new Region();
		mFirst = true; // true for the first time the view is added
		mPerformContentCapture = true; // also true for the first time the view is added
		mAdded = false;
		mAttachInfo = new View.AttachInfo(mWindowSession, mWindow, display, this, mHandler, this,
		context);
		@@ -2756,9 +2780,55 @@ public final class ViewRootImpl implements ViewParent,
		}
		}

		if (mAttachInfo.mContentCaptureEvents != null) {
		notifyContentCatpureEvents();
		}

		mIsInTraversal = false;
		}

		private void notifyContentCatpureEvents() {
		Trace.traceBegin(Trace.TRACE_TAG_VIEW, "notifyContentCaptureEvents");
		try {
		MainContentCaptureSession mainSession = mAttachInfo.mContentCaptureManager
		.getMainContentCaptureSession();
		for (int i = 0; i < mAttachInfo.mContentCaptureEvents.size(); i++) {
		int sessionId = mAttachInfo.mContentCaptureEvents.keyAt(i);
		mainSession.notifyViewTreeEvent(sessionId, /* started= */ true);
		ArrayList<Object> events = mAttachInfo.mContentCaptureEvents
		.valueAt(i);
		for_each_event: for (int j = 0; j < events.size(); j++) {
		Object event = events.get(j);
		if (event instanceof AutofillId) {
		mainSession.notifyViewDisappeared(sessionId, (AutofillId) event);
		} else if (event instanceof View) {
		View view = (View) event;
		ContentCaptureSession session = view.getContentCaptureSession();
		if (session == null) {
		Log.w(mTag, "no content capture session on view: " + view);
		continue for_each_event;
		}
		int actualId = session.getId();
		if (actualId != sessionId) {
		Log.w(mTag, "content capture session mismatch for view (" + view
		+ "): was " + sessionId + " before, it's " + actualId + " now");
		continue for_each_event;
		}
		ViewStructure structure = session.newViewStructure(view);
		view.onProvideContentCaptureStructure(structure, /* flags= */ 0);
		session.notifyViewAppeared(structure);
		} else {
		Log.w(mTag, "invalid content capture event: " + event);
		}
		}
		mainSession.notifyViewTreeEvent(sessionId, /* started= */ false);
		}
		mAttachInfo.mContentCaptureEvents = null;
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_VIEW);
		}
		}

		private void notifySurfaceDestroyed() {
		mSurfaceHolder.ungetCallbacks();
		SurfaceHolder.Callback[] callbacks = mSurfaceHolder.getCallbacks();
		@@ -2893,6 +2963,13 @@ public final class ViewRootImpl implements ViewParent,
		}
		}
		mFirstInputStage.onWindowFocusChanged(hasWindowFocus);

		// NOTE: there's no view visibility (appeared / disapparead) events when the windows focus
		// is lost, so we don't need to to force a flush - there might be other events such as
		// text changes, but these should be flushed independently.
		if (hasWindowFocus) {
		handleContentCaptureFlush();
		}
		}

		private void fireAccessibilityFocusEventIfHasFocusedNode() {
		@@ -3459,6 +3536,86 @@ public final class ViewRootImpl implements ViewParent,
		pendingDrawFinished();
		}
		}
		if (mPerformContentCapture) {
		performContentCaptureInitialReport();
		}
		}

		/**
		* Checks (and caches) if content capture is enabled for this context.
		*/
		private boolean isContentCaptureEnabled() {
		switch (mContentCaptureEnabled) {
		case CONTENT_CAPTURE_ENABLED_TRUE:
		return true;
		case CONTENT_CAPTURE_ENABLED_FALSE:
		return false;
		case CONTENT_CAPTURE_ENABLED_NOT_CHECKED:
		final boolean reallyEnabled = isContentCaptureReallyEnabled();
		mContentCaptureEnabled = reallyEnabled ? CONTENT_CAPTURE_ENABLED_TRUE
		: CONTENT_CAPTURE_ENABLED_FALSE;
		return reallyEnabled;
		default:
		Log.w(TAG, "isContentCaptureEnabled(): invalid state " + mContentCaptureEnabled);
		return false;
		}

		}

		/**
		* Checks (without caching) if content capture is enabled for this context.
		*/
		private boolean isContentCaptureReallyEnabled() {
		// First check if context supports it, so it saves a service lookup when it doesn't
		if (mContext.getContentCaptureOptions() == null) return false;

		final ContentCaptureManager ccm = mAttachInfo.getContentCaptureManager(mContext);
		// Then check if it's enabled in the contex itself.
		if (ccm == null \|\| !ccm.isContentCaptureEnabled()) return false;

		return true;
		}

		private void performContentCaptureInitialReport() {
		mPerformContentCapture = false; // One-time offer!
		final View rootView = mView;
		if (DEBUG_CONTENT_CAPTURE) {
		Log.v(mTag, "performContentCaptureInitialReport() on " + rootView);
		}
		if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) {
		Trace.traceBegin(Trace.TRACE_TAG_VIEW, "dispatchContentCapture() for "
		+ getClass().getSimpleName());
		}
		try {
		if (!isContentCaptureEnabled()) return;

		// Content capture is a go!
		rootView.dispatchInitialProvideContentCaptureStructure();
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_VIEW);
		}
		}

		private void handleContentCaptureFlush() {
		if (DEBUG_CONTENT_CAPTURE) {
		Log.v(mTag, "handleContentCaptureFlush()");
		}
		if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) {
		Trace.traceBegin(Trace.TRACE_TAG_VIEW, "flushContentCapture for "
		+ getClass().getSimpleName());
		}
		try {
		if (!isContentCaptureEnabled()) return;

		final ContentCaptureManager ccm = mAttachInfo.mContentCaptureManager;
		if (ccm == null) {
		Log.w(TAG, "No ContentCapture on AttachInfo");
		return;
		}
		ccm.flush(ContentCaptureSession.FLUSH_REASON_VIEW_ROOT_ENTERED);
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_VIEW);
		}
		}

		private boolean draw(boolean fullRedrawNeeded) {

core/java/android/webkit/WebView.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -413,6 +413,9 @@ public class WebView extends AbsoluteLayout
		if (getImportantForAutofill() == IMPORTANT_FOR_AUTOFILL_AUTO) {
		setImportantForAutofill(IMPORTANT_FOR_AUTOFILL_YES);
		}
		if (getImportantForContentCapture() == IMPORTANT_FOR_CONTENT_CAPTURE_AUTO) {
		setImportantForContentCapture(IMPORTANT_FOR_CONTENT_CAPTURE_YES);
		}

		if (context == null) {
		throw new IllegalArgumentException("Invalid context argument");
		@@ -2795,6 +2798,12 @@ public class WebView extends AbsoluteLayout
		mProvider.getViewDelegate().onProvideAutofillVirtualStructure(structure, flags);
		}

		/** @hide */
		@Override
		public void onProvideContentCaptureStructure(ViewStructure structure, int flags) {
		mProvider.getViewDelegate().onProvideContentCaptureStructure(structure, flags);
		}

		@Override
		public void autofill(SparseArray<AutofillValue>values) {
		mProvider.getViewDelegate().autofill(values);