Merge "Don't show Save UI when values filled by user belong to a dataset." into oc-mr1-dev (e802d18f) · Commits · e / os / android_frameworks_base

core/java/android/service/autofill/Dataset.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ import android.os.Parcelable;
		import android.view.autofill.AutofillId;
		import android.view.autofill.AutofillValue;
		import android.widget.RemoteViews;

		import com.android.internal.util.Preconditions;

		import java.util.ArrayList;

core/java/android/service/autofill/SaveInfo.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -118,6 +118,9 @@ import java.util.Arrays;
		* <li>The {@link AutofillValue} of at least one view (be it required or optional) has changed
		* (i.e., it's neither the same value passed in a {@link Dataset}, nor the initial value
		* presented in the view).
		* <li>There is no {@link Dataset} in the last {@link FillResponse} that completely matches the
		* screen state (i.e., all required and optional fields in the dataset have the same value as
		* the fields in the screen).
		* <li>The user explicitly tapped the UI affordance asking to save data for autofill.
		* </ul>
		*

services/autofill/java/com/android/server/autofill/Helper.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -16,11 +16,16 @@

		package com.android.server.autofill;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.os.Bundle;
		import android.service.autofill.Dataset;
		import android.util.ArrayMap;
		import android.util.ArraySet;
		import android.view.autofill.AutofillId;
		import android.view.autofill.AutofillValue;

		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.Objects;
		import java.util.Set;
		@@ -82,4 +87,16 @@ public final class Helper {
		}
		return array;
		}

		@NonNull
		static ArrayMap<AutofillId, AutofillValue> getFields(@NonNull Dataset dataset) {
		final ArrayList<AutofillId> ids = dataset.getFieldIds();
		final ArrayList<AutofillValue> values = dataset.getFieldValues();
		final int size = ids == null ? 0 : ids.size();
		final ArrayMap<AutofillId, AutofillValue> fields = new ArrayMap<>(size);
		for (int i = 0; i < size; i++) {
		fields.put(ids.get(i), values.get(i));
		}
		return fields;
		}
		}

services/autofill/java/com/android/server/autofill/Session.java

+64 −9

Original line number	Diff line number	Diff line
		@@ -804,15 +804,20 @@ final class Session implements RemoteFillService.FillServiceCallbacks, ViewState
		/*
		* The Save dialog is only shown if all conditions below are met:
		*
		* - saveInfo is not null
		* - autofillValue of all required ids is not null
		* - saveInfo is not null.
		* - autofillValue of all required ids is not null.
		* - autofillValue of at least one id (required or optional) has changed.
		* - there is no Dataset in the last FillResponse whose values of all dataset fields matches
		* the current values of all fields in the screen.
		*/

		if (saveInfo == null) {
		return true;
		}

		// Cache used to make sure changed fields do not belong to a dataset.
		final ArrayMap<AutofillId, AutofillValue> currentValues = new ArrayMap<>();
		final ArraySet<AutofillId> allIds = new ArraySet<>();

		final AutofillId[] requiredIds = saveInfo.getRequiredIds();
		boolean allRequiredAreNotEmpty = true;
		boolean atLeastOneChanged = false;
		@@ -823,6 +828,7 @@ final class Session implements RemoteFillService.FillServiceCallbacks, ViewState
		Slog.w(TAG, "null autofill id on " + Arrays.toString(requiredIds));
		continue;
		}
		allIds.add(id);
		final ViewState viewState = mViewStates.get(id);
		if (viewState == null) {
		Slog.w(TAG, "showSaveLocked(): no ViewState for required " + id);
		@@ -841,18 +847,19 @@ final class Session implements RemoteFillService.FillServiceCallbacks, ViewState
		value = initialValue;
		} else {
		if (sDebug) {
		Slog.d(TAG, "showSaveLocked(): empty value for required " + id );
		Slog.d(TAG, "empty value for required " + id );
		}
		allRequiredAreNotEmpty = false;
		break;
		}
		}
		currentValues.put(id, value);
		final AutofillValue filledValue = viewState.getAutofilledValue();

		if (!value.equals(filledValue)) {
		if (sDebug) {
		Slog.d(TAG, "showSaveLocked(): found a change on required " + id + ": "
		+ filledValue + " => " + value);
		Slog.d(TAG, "found a change on required " + id + ": " + filledValue
		+ " => " + value);
		}
		atLeastOneChanged = true;
		}
		@@ -865,22 +872,34 @@ final class Session implements RemoteFillService.FillServiceCallbacks, ViewState
		// No change on required ids yet, look for changes on optional ids.
		for (int i = 0; i < optionalIds.length; i++) {
		final AutofillId id = optionalIds[i];
		allIds.add(id);
		final ViewState viewState = mViewStates.get(id);
		if (viewState == null) {
		Slog.w(TAG, "showSaveLocked(): no ViewState for optional " + id);
		Slog.w(TAG, "no ViewState for optional " + id);
		continue;
		}
		if ((viewState.getState() & ViewState.STATE_CHANGED) != 0) {
		final AutofillValue currentValue = viewState.getCurrentValue();
		currentValues.put(id, currentValue);
		final AutofillValue filledValue = viewState.getAutofilledValue();
		if (currentValue != null && !currentValue.equals(filledValue)) {
		if (sDebug) {
		Slog.d(TAG, "finishSessionLocked(): found a change on optional "
		+ id + ": " + filledValue + " => " + currentValue);
		Slog.d(TAG, "found a change on optional " + id + ": " + filledValue
		+ " => " + currentValue);
		}
		atLeastOneChanged = true;
		break;
		}
		} else {
		// Update current values cache based on initial value
		final AutofillValue initialValue = getValueFromContexts(id);
		if (sDebug) {
		Slog.d(TAG, "no current value for " + id + "; initial value is "
		+ initialValue);
		}
		if (initialValue != null) {
		currentValues.put(id, initialValue);
		}
		}
		}
		}
		@@ -907,6 +926,42 @@ final class Session implements RemoteFillService.FillServiceCallbacks, ViewState
		}
		}

		// Make sure the service doesn't have the fields already by checking the datasets
		// content.
		final ArrayList<Dataset> datasets = response.getDatasets();
		if (datasets != null) {
		datasets_loop: for (int i = 0; i < datasets.size(); i++) {
		final Dataset dataset = datasets.get(i);
		final ArrayMap<AutofillId, AutofillValue> datasetValues =
		Helper.getFields(dataset);
		if (sVerbose) {
		Slog.v(TAG, "Checking if saved fields match contents of dataset #" + i
		+ ": " + dataset + "; allIds=" + allIds);
		}
		for (int j = 0; j < allIds.size(); j++) {
		final AutofillId id = allIds.valueAt(j);
		final AutofillValue currentValue = currentValues.get(id);
		if (currentValue == null) {
		if (sDebug) {
		Slog.d(TAG, "dataset has value for field that is null: " + id);
		}
		continue datasets_loop;
		}
		final AutofillValue datasetValue = datasetValues.get(id);
		if (!currentValue.equals(datasetValue)) {
		if (sDebug) Slog.d(TAG, "found a change on id " + id);
		continue datasets_loop;
		}
		if (sVerbose) Slog.v(TAG, "no changes for id " + id);
		}
		if (sDebug) {
		Slog.d(TAG, "ignoring Save UI because all fields match contents of "
		+ "dataset #" + i + ": " + dataset);
		}
		return true;
		}
		}

		if (sDebug) Slog.d(TAG, "Good news, everyone! All checks passed, show save UI!");
		mService.setSaveShown(id);
		getUiForShowing().showSaveUi(mService.getServiceLabel(), saveInfo,