| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.view.autofill; |
| |
| import static android.view.autofill.Helper.DEBUG; |
| import static android.view.autofill.Helper.VERBOSE; |
| |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentSender; |
| import android.graphics.Rect; |
| import android.metrics.LogMaker; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.Parcelable; |
| import android.os.RemoteException; |
| import android.service.autofill.AutofillService; |
| import android.service.autofill.FillEventHistory; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.util.Log; |
| import android.util.SparseArray; |
| import android.view.View; |
| import android.view.WindowManagerGlobal; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.logging.MetricsLogger; |
| import com.android.internal.logging.nano.MetricsProto; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.ref.WeakReference; |
| import java.util.List; |
| import java.util.Objects; |
| |
| /** |
| * App entry point to the Autofill Framework. |
| * |
| * <p>It is safe to call into this from any thread. |
| */ |
| public final class AutofillManager { |
| |
| private static final String TAG = "AutofillManager"; |
| |
| /** |
| * Intent extra: The assist structure which captures the filled screen. |
| * |
| * <p> |
| * Type: {@link android.app.assist.AssistStructure} |
| */ |
| public static final String EXTRA_ASSIST_STRUCTURE = |
| "android.view.autofill.extra.ASSIST_STRUCTURE"; |
| |
| /** |
| * Intent extra: The result of an authentication operation. It is |
| * either a fully populated {@link android.service.autofill.FillResponse} |
| * or a fully populated {@link android.service.autofill.Dataset} if |
| * a response or a dataset is being authenticated respectively. |
| * |
| * <p> |
| * Type: {@link android.service.autofill.FillResponse} or a |
| * {@link android.service.autofill.Dataset} |
| */ |
| public static final String EXTRA_AUTHENTICATION_RESULT = |
| "android.view.autofill.extra.AUTHENTICATION_RESULT"; |
| |
| /** |
| * Intent extra: The optional extras provided by the |
| * {@link android.service.autofill.AutofillService}. |
| * |
| * <p>For example, when the service responds to a {@link |
| * android.service.autofill.FillCallback#onSuccess(android.service.autofill.FillResponse)} with |
| * a {@code FillResponse} that requires authentication, the Intent that launches the |
| * service authentication will contain the Bundle set by |
| * {@link android.service.autofill.FillResponse.Builder#setClientState(Bundle)} on this extra. |
| * |
| * <p> |
| * Type: {@link android.os.Bundle} |
| */ |
| public static final String EXTRA_DATA_EXTRAS = "android.view.autofill.extra.DATA_EXTRAS"; |
| |
| static final String SESSION_ID_TAG = "android:sessionId"; |
| static final String LAST_AUTOFILLED_DATA_TAG = "android:lastAutoFilledData"; |
| |
| // Public flags start from the lowest bit |
| /** |
| * Indicates autofill was explicitly requested by the user. |
| * |
| * @deprecated Use {@link android.service.autofill.FillRequest#FLAG_MANUAL_REQUEST} |
| */ |
| // TODO(b/37563972): remove (and change value of private flags) |
| @Deprecated |
| public static final int FLAG_MANUAL_REQUEST = 0x1; |
| |
| // Private flags start from the highest bit |
| /** @hide */ public static final int FLAG_START_SESSION = 0x80000000; |
| /** @hide */ public static final int FLAG_VIEW_ENTERED = 0x40000000; |
| /** @hide */ public static final int FLAG_VIEW_EXITED = 0x20000000; |
| /** @hide */ public static final int FLAG_VALUE_CHANGED = 0x10000000; |
| |
| private final MetricsLogger mMetricsLogger = new MetricsLogger(); |
| |
| /** |
| * There is currently no session running. |
| * {@hide} |
| */ |
| public static final int NO_SESSION = Integer.MIN_VALUE; |
| |
| private final IAutoFillManager mService; |
| |
| private final Object mLock = new Object(); |
| |
| @GuardedBy("mLock") |
| private IAutoFillManagerClient mServiceClient; |
| |
| @GuardedBy("mLock") |
| private AutofillCallback mCallback; |
| |
| private final Context mContext; |
| |
| @GuardedBy("mLock") |
| private int mSessionId = NO_SESSION; |
| |
| @GuardedBy("mLock") |
| private boolean mEnabled; |
| |
| /** If a view changes to this mapping the autofill operation was successful */ |
| @GuardedBy("mLock") |
| @Nullable private ParcelableMap mLastAutofilledData; |
| |
| /** If view tracking is enabled, contains the tracking state */ |
| @GuardedBy("mLock") |
| @Nullable private TrackedViews mTrackedViews; |
| |
| /** @hide */ |
| public interface AutofillClient { |
| /** |
| * Asks the client to start an authentication flow. |
| * |
| * @param intent The authentication intent. |
| * @param fillInIntent The authentication fill-in intent. |
| */ |
| void autofillCallbackAuthenticate(IntentSender intent, Intent fillInIntent); |
| |
| /** |
| * Tells the client this manager has state to be reset. |
| */ |
| void autofillCallbackResetableStateAvailable(); |
| |
| /** |
| * Request showing the autofill UI. |
| * |
| * @param anchor The real view the UI needs to anchor to. |
| * @param width The width of the fill UI content. |
| * @param height The height of the fill UI content. |
| * @param virtualBounds The bounds of the virtual decendant of the anchor. |
| * @param presenter The presenter that controls the fill UI window. |
| * @return Whether the UI was shown. |
| */ |
| boolean autofillCallbackRequestShowFillUi(@NonNull View anchor, int width, int height, |
| @Nullable Rect virtualBounds, IAutofillWindowPresenter presenter); |
| |
| /** |
| * Request hiding the autofill UI. |
| * |
| * @return Whether the UI was hidden. |
| */ |
| boolean autofillCallbackRequestHideFillUi(); |
| |
| /** |
| * Checks if the view is currently attached and visible. |
| * |
| * @return {@code true} iff the view is attached or visible |
| */ |
| boolean getViewVisibility(int viewId); |
| |
| /** |
| * Checks is the client is currently visible as understood by autofill. |
| * |
| * @return {@code true} if the client is currently visible |
| */ |
| boolean isVisibleForAutofill(); |
| } |
| |
| /** |
| * @hide |
| */ |
| public AutofillManager(Context context, IAutoFillManager service) { |
| mContext = context; |
| mService = service; |
| } |
| |
| /** |
| * Restore state after activity lifecycle |
| * |
| * @param savedInstanceState The state to be restored |
| * |
| * {@hide} |
| */ |
| public void onCreate(Bundle savedInstanceState) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| mLastAutofilledData = savedInstanceState.getParcelable(LAST_AUTOFILLED_DATA_TAG); |
| |
| if (mSessionId != NO_SESSION) { |
| Log.w(TAG, "New session was started before onCreate()"); |
| return; |
| } |
| |
| mSessionId = savedInstanceState.getInt(SESSION_ID_TAG, NO_SESSION); |
| |
| if (mSessionId != NO_SESSION) { |
| ensureServiceClientAddedIfNeededLocked(); |
| |
| final AutofillClient client = getClientLocked(); |
| if (client != null) { |
| try { |
| final boolean sessionWasRestored = mService.restoreSession(mSessionId, |
| mContext.getActivityToken(), mServiceClient.asBinder()); |
| |
| if (!sessionWasRestored) { |
| Log.w(TAG, "Session " + mSessionId + " could not be restored"); |
| mSessionId = NO_SESSION; |
| } else { |
| if (DEBUG) { |
| Log.d(TAG, "session " + mSessionId + " was restored"); |
| } |
| |
| client.autofillCallbackResetableStateAvailable(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Could not figure out if there was an autofill session", e); |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * Set window future popup windows should be attached to. |
| * |
| * @param windowToken The window the popup windows should be attached to |
| * |
| * {@hide} |
| */ |
| public void onAttachedToWindow(@NonNull IBinder windowToken) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| if (mSessionId == NO_SESSION) { |
| return; |
| } |
| |
| try { |
| mService.setWindow(mSessionId, windowToken); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Could not attach window to session " + mSessionId); |
| } |
| } |
| } |
| |
| /** |
| * Called once the client becomes visible. |
| * |
| * @see AutofillClient#isVisibleForAutofill() |
| * |
| * {@hide} |
| */ |
| public void onVisibleForAutofill() { |
| synchronized (mLock) { |
| if (mEnabled && mSessionId != NO_SESSION && mTrackedViews != null) { |
| mTrackedViews.onVisibleForAutofill(); |
| } |
| } |
| } |
| |
| /** |
| * Save state before activity lifecycle |
| * |
| * @param outState Place to store the state |
| * |
| * {@hide} |
| */ |
| public void onSaveInstanceState(Bundle outState) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| if (mSessionId != NO_SESSION) { |
| outState.putInt(SESSION_ID_TAG, mSessionId); |
| } |
| |
| if (mLastAutofilledData != null) { |
| outState.putParcelable(LAST_AUTOFILLED_DATA_TAG, mLastAutofilledData); |
| } |
| } |
| } |
| |
| /** |
| * Checks whether autofill is enabled for the current user. |
| * |
| * <p>Typically used to determine whether the option to explicitly request autofill should |
| * be offered - see {@link #requestAutofill(View)}. |
| * |
| * @return whether autofill is enabled for the current user. |
| */ |
| public boolean isEnabled() { |
| if (!hasAutofillFeature()) { |
| return false; |
| } |
| synchronized (mLock) { |
| ensureServiceClientAddedIfNeededLocked(); |
| return mEnabled; |
| } |
| } |
| |
| /** |
| * Should always be called from {@link AutofillService#getFillEventHistory()}. |
| * |
| * @hide |
| */ |
| @Nullable public FillEventHistory getFillEventHistory() { |
| try { |
| return mService.getFillEventHistory(); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| return null; |
| } |
| } |
| |
| /** |
| * Explicitly requests a new autofill context. |
| * |
| * <p>Normally, the autofill context is automatically started when autofillable views are |
| * focused, but this method should be used in the cases where it must be explicitly requested, |
| * like a view that provides a contextual menu allowing users to autofill the activity. |
| * |
| * @param view view requesting the new autofill context. |
| */ |
| public void requestAutofill(@NonNull View view) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| ensureServiceClientAddedIfNeededLocked(); |
| |
| if (!mEnabled) { |
| return; |
| } |
| |
| final AutofillId id = getAutofillId(view); |
| final AutofillValue value = view.getAutofillValue(); |
| |
| startSessionLocked(id, view.getWindowToken(), null, value, FLAG_MANUAL_REQUEST); |
| } |
| } |
| |
| /** |
| * Explicitly requests a new autofill context for virtual views. |
| * |
| * <p>Normally, the autofill context is automatically started when autofillable views are |
| * focused, but this method should be used in the cases where it must be explicitly requested, |
| * like a virtual view that provides a contextual menu allowing users to autofill the activity. |
| * |
| * @param view the {@link View} whose descendant is the virtual view. |
| * @param childId id identifying the virtual child inside the view. |
| * @param bounds child boundaries, relative to the top window. |
| */ |
| public void requestAutofill(@NonNull View view, int childId, @NonNull Rect bounds) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| ensureServiceClientAddedIfNeededLocked(); |
| |
| if (!mEnabled) { |
| return; |
| } |
| |
| final AutofillId id = getAutofillId(view, childId); |
| startSessionLocked(id, view.getWindowToken(), bounds, null, FLAG_MANUAL_REQUEST); |
| } |
| } |
| |
| |
| /** |
| * Called when a {@link View} that supports autofill is entered. |
| * |
| * @param view {@link View} that was entered. |
| */ |
| public void notifyViewEntered(@NonNull View view) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| AutofillCallback callback = null; |
| synchronized (mLock) { |
| ensureServiceClientAddedIfNeededLocked(); |
| |
| if (!mEnabled) { |
| if (mCallback != null) { |
| callback = mCallback; |
| } |
| } else { |
| final AutofillId id = getAutofillId(view); |
| final AutofillValue value = view.getAutofillValue(); |
| |
| if (mSessionId == NO_SESSION) { |
| // Starts new session. |
| startSessionLocked(id, view.getWindowToken(), null, value, 0); |
| } else { |
| // Update focus on existing session. |
| updateSessionLocked(id, null, value, FLAG_VIEW_ENTERED); |
| } |
| } |
| } |
| |
| if (callback != null) { |
| mCallback.onAutofillEvent(view, AutofillCallback.EVENT_INPUT_UNAVAILABLE); |
| } |
| } |
| |
| /** |
| * Called when a {@link View} that supports autofill is exited. |
| * |
| * @param view {@link View} that was exited. |
| */ |
| public void notifyViewExited(@NonNull View view) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| ensureServiceClientAddedIfNeededLocked(); |
| |
| if (mEnabled && mSessionId != NO_SESSION) { |
| final AutofillId id = getAutofillId(view); |
| |
| // Update focus on existing session. |
| updateSessionLocked(id, null, null, FLAG_VIEW_EXITED); |
| } |
| } |
| } |
| |
| /** |
| * Called when a {@link View view's} visibility changes. |
| * |
| * @param view {@link View} that was exited. |
| * @param isVisible visible if the view is visible in the view hierarchy. |
| * |
| * @hide |
| */ |
| public void notifyViewVisibilityChange(@NonNull View view, boolean isVisible) { |
| synchronized (mLock) { |
| if (mEnabled && mSessionId != NO_SESSION && mTrackedViews != null) { |
| mTrackedViews.notifyViewVisibilityChange(view, isVisible); |
| } |
| } |
| } |
| |
| /** |
| * Called when a virtual view that supports autofill is entered. |
| * |
| * @param view the {@link View} whose descendant is the virtual view. |
| * @param childId id identifying the virtual child inside the view. |
| * @param bounds child boundaries, relative to the top window. |
| */ |
| public void notifyViewEntered(@NonNull View view, int childId, @NonNull Rect bounds) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| AutofillCallback callback = null; |
| synchronized (mLock) { |
| ensureServiceClientAddedIfNeededLocked(); |
| |
| if (!mEnabled) { |
| if (mCallback != null) { |
| callback = mCallback; |
| } |
| } else { |
| final AutofillId id = getAutofillId(view, childId); |
| |
| if (mSessionId == NO_SESSION) { |
| // Starts new session. |
| startSessionLocked(id, view.getWindowToken(), bounds, null, 0); |
| } else { |
| // Update focus on existing session. |
| updateSessionLocked(id, bounds, null, FLAG_VIEW_ENTERED); |
| } |
| } |
| } |
| |
| if (callback != null) { |
| callback.onAutofillEvent(view, childId, |
| AutofillCallback.EVENT_INPUT_UNAVAILABLE); |
| } |
| } |
| |
| /** |
| * Called when a virtual view that supports autofill is exited. |
| * |
| * @param view the {@link View} whose descendant is the virtual view. |
| * @param childId id identifying the virtual child inside the view. |
| */ |
| public void notifyViewExited(@NonNull View view, int childId) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| ensureServiceClientAddedIfNeededLocked(); |
| |
| if (mEnabled && mSessionId != NO_SESSION) { |
| final AutofillId id = getAutofillId(view, childId); |
| |
| // Update focus on existing session. |
| updateSessionLocked(id, null, null, FLAG_VIEW_EXITED); |
| } |
| } |
| } |
| |
| /** |
| * Called to indicate the value of an autofillable {@link View} changed. |
| * |
| * @param view view whose value changed. |
| */ |
| public void notifyValueChanged(View view) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| AutofillId id = null; |
| boolean valueWasRead = false; |
| AutofillValue value = null; |
| |
| synchronized (mLock) { |
| // If the session is gone some fields might still be highlighted, hence we have to |
| // remove the isAutofilled property even if no sessions are active. |
| if (mLastAutofilledData == null) { |
| view.setAutofilled(false); |
| } else { |
| id = getAutofillId(view); |
| if (mLastAutofilledData.containsKey(id)) { |
| value = view.getAutofillValue(); |
| valueWasRead = true; |
| |
| if (Objects.equals(mLastAutofilledData.get(id), value)) { |
| view.setAutofilled(true); |
| } else { |
| view.setAutofilled(false); |
| mLastAutofilledData.remove(id); |
| } |
| } else { |
| view.setAutofilled(false); |
| } |
| } |
| |
| if (!mEnabled || mSessionId == NO_SESSION) { |
| return; |
| } |
| |
| if (id == null) { |
| id = getAutofillId(view); |
| } |
| |
| if (!valueWasRead) { |
| value = view.getAutofillValue(); |
| } |
| |
| updateSessionLocked(id, null, value, FLAG_VALUE_CHANGED); |
| } |
| } |
| |
| /** |
| * Called to indicate the value of an autofillable virtual {@link View} changed. |
| * |
| * @param view the {@link View} whose descendant is the virtual view. |
| * @param childId id identifying the virtual child inside the parent view. |
| * @param value new value of the child. |
| */ |
| public void notifyValueChanged(View view, int childId, AutofillValue value) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| if (!mEnabled || mSessionId == NO_SESSION) { |
| return; |
| } |
| |
| final AutofillId id = getAutofillId(view, childId); |
| updateSessionLocked(id, null, value, FLAG_VALUE_CHANGED); |
| } |
| } |
| |
| /** |
| * Called to indicate the current autofill context should be commited. |
| * |
| * <p>For example, when a virtual view is rendering an {@code HTML} page with a form, it should |
| * call this method after the form is submitted and another page is rendered. |
| */ |
| public void commit() { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| if (!mEnabled && mSessionId == NO_SESSION) { |
| return; |
| } |
| |
| finishSessionLocked(); |
| } |
| } |
| |
| /** |
| * Called to indicate the current autofill context should be cancelled. |
| * |
| * <p>For example, when a virtual view is rendering an {@code HTML} page with a form, it should |
| * call this method if the user does not post the form but moves to another form in this page. |
| */ |
| public void cancel() { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| if (!mEnabled && mSessionId == NO_SESSION) { |
| return; |
| } |
| |
| cancelSessionLocked(); |
| } |
| } |
| |
| /** |
| * If the app calling this API has enabled autofill services they |
| * will be disabled. |
| */ |
| public void disableOwnedAutofillServices() { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| try { |
| mService.disableOwnedAutofillServices(mContext.getUserId()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| private AutofillClient getClientLocked() { |
| if (mContext instanceof AutofillClient) { |
| return (AutofillClient) mContext; |
| } |
| return null; |
| } |
| |
| /** @hide */ |
| public void onAuthenticationResult(Intent data) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| // TODO: the result code is being ignored, so this method is not reliably |
| // handling the cases where it's not RESULT_OK: it works fine if the service does not |
| // set the EXTRA_AUTHENTICATION_RESULT extra, but it could cause weird results if the |
| // service set the extra and returned RESULT_CANCELED... |
| |
| if (DEBUG) Log.d(TAG, "onAuthenticationResult(): d=" + data); |
| |
| synchronized (mLock) { |
| if (mSessionId == NO_SESSION || data == null) { |
| return; |
| } |
| final Parcelable result = data.getParcelableExtra(EXTRA_AUTHENTICATION_RESULT); |
| final Bundle responseData = new Bundle(); |
| responseData.putParcelable(EXTRA_AUTHENTICATION_RESULT, result); |
| try { |
| mService.setAuthenticationResult(responseData, mSessionId, mContext.getUserId()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Error delivering authentication result", e); |
| } |
| } |
| } |
| |
| private static AutofillId getAutofillId(View view) { |
| return new AutofillId(view.getAccessibilityViewId()); |
| } |
| |
| private static AutofillId getAutofillId(View parent, int childId) { |
| return new AutofillId(parent.getAccessibilityViewId(), childId); |
| } |
| |
| private void startSessionLocked(@NonNull AutofillId id, @NonNull IBinder windowToken, |
| @NonNull Rect bounds, @NonNull AutofillValue value, int flags) { |
| if (DEBUG) { |
| Log.d(TAG, "startSessionLocked(): id=" + id + ", bounds=" + bounds + ", value=" + value |
| + ", flags=" + flags); |
| } |
| |
| try { |
| mSessionId = mService.startSession(mContext.getActivityToken(), windowToken, |
| mServiceClient.asBinder(), id, bounds, value, mContext.getUserId(), |
| mCallback != null, flags, mContext.getOpPackageName()); |
| AutofillClient client = getClientLocked(); |
| if (client != null) { |
| client.autofillCallbackResetableStateAvailable(); |
| } |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| private void finishSessionLocked() { |
| if (DEBUG) { |
| Log.d(TAG, "finishSessionLocked()"); |
| } |
| |
| try { |
| mService.finishSession(mSessionId, mContext.getUserId()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| |
| mTrackedViews = null; |
| mSessionId = NO_SESSION; |
| } |
| |
| private void cancelSessionLocked() { |
| if (DEBUG) { |
| Log.d(TAG, "cancelSessionLocked()"); |
| } |
| |
| try { |
| mService.cancelSession(mSessionId, mContext.getUserId()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| |
| mTrackedViews = null; |
| mSessionId = NO_SESSION; |
| } |
| |
| private void updateSessionLocked(AutofillId id, Rect bounds, AutofillValue value, int flags) { |
| if (DEBUG) { |
| if (VERBOSE || (flags & FLAG_VIEW_EXITED) != 0) { |
| Log.d(TAG, "updateSessionLocked(): id=" + id + ", bounds=" + bounds |
| + ", value=" + value + ", flags=" + flags); |
| } |
| } |
| |
| try { |
| mService.updateSession(mSessionId, id, bounds, value, flags, mContext.getUserId()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| private void ensureServiceClientAddedIfNeededLocked() { |
| if (getClientLocked() == null) { |
| return; |
| } |
| |
| if (mServiceClient == null) { |
| mServiceClient = new AutofillManagerClient(this); |
| try { |
| mEnabled = mService.addClient(mServiceClient, mContext.getUserId()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * Registers a {@link AutofillCallback} to receive autofill events. |
| * |
| * @param callback callback to receive events. |
| */ |
| public void registerCallback(@Nullable AutofillCallback callback) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| if (callback == null) return; |
| |
| final boolean hadCallback = mCallback != null; |
| mCallback = callback; |
| |
| if (!hadCallback) { |
| try { |
| mService.setHasCallback(mSessionId, mContext.getUserId(), true); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Unregisters a {@link AutofillCallback} to receive autofill events. |
| * |
| * @param callback callback to stop receiving events. |
| */ |
| public void unregisterCallback(@Nullable AutofillCallback callback) { |
| if (!hasAutofillFeature()) { |
| return; |
| } |
| synchronized (mLock) { |
| if (callback == null || mCallback == null || callback != mCallback) return; |
| |
| mCallback = null; |
| |
| try { |
| mService.setHasCallback(mSessionId, mContext.getUserId(), false); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| private void requestShowFillUi(int sessionId, IBinder windowToken, AutofillId id, int width, |
| int height, Rect anchorBounds, IAutofillWindowPresenter presenter) { |
| final View anchor = findAchorView(windowToken, id); |
| if (anchor == null) { |
| return; |
| } |
| |
| AutofillCallback callback = null; |
| synchronized (mLock) { |
| if (mSessionId == sessionId) { |
| AutofillClient client = getClientLocked(); |
| |
| if (client != null) { |
| if (client.autofillCallbackRequestShowFillUi(anchor, width, height, |
| anchorBounds, presenter) && mCallback != null) { |
| callback = mCallback; |
| } |
| } |
| } |
| } |
| |
| if (callback != null) { |
| if (id.isVirtual()) { |
| callback.onAutofillEvent(anchor, id.getVirtualChildId(), |
| AutofillCallback.EVENT_INPUT_SHOWN); |
| } else { |
| callback.onAutofillEvent(anchor, AutofillCallback.EVENT_INPUT_SHOWN); |
| } |
| } |
| } |
| |
| private void authenticate(int sessionId, IntentSender intent, Intent fillInIntent) { |
| synchronized (mLock) { |
| if (sessionId == mSessionId) { |
| AutofillClient client = getClientLocked(); |
| if (client != null) { |
| client.autofillCallbackAuthenticate(intent, fillInIntent); |
| } |
| } |
| } |
| } |
| |
| private void setState(boolean enabled) { |
| synchronized (mLock) { |
| mEnabled = enabled; |
| } |
| } |
| |
| /** |
| * Sets a view as autofilled if the current value is the {code targetValue}. |
| * |
| * @param view The view that is to be autofilled |
| * @param targetValue The value we want to fill into view |
| */ |
| private void setAutofilledIfValuesIs(@NonNull View view, @Nullable AutofillValue targetValue) { |
| AutofillValue currentValue = view.getAutofillValue(); |
| if (Objects.equals(currentValue, targetValue)) { |
| synchronized (mLock) { |
| if (mLastAutofilledData == null) { |
| mLastAutofilledData = new ParcelableMap(1); |
| } |
| mLastAutofilledData.put(getAutofillId(view), targetValue); |
| } |
| view.setAutofilled(true); |
| } |
| } |
| |
| private void autofill(int sessionId, IBinder windowToken, List<AutofillId> ids, |
| List<AutofillValue> values) { |
| synchronized (mLock) { |
| if (sessionId != mSessionId) { |
| return; |
| } |
| |
| final View root = WindowManagerGlobal.getInstance().getWindowView(windowToken); |
| if (root == null) { |
| return; |
| } |
| |
| final int itemCount = ids.size(); |
| int numApplied = 0; |
| ArrayMap<View, SparseArray<AutofillValue>> virtualValues = null; |
| |
| for (int i = 0; i < itemCount; i++) { |
| final AutofillId id = ids.get(i); |
| final AutofillValue value = values.get(i); |
| final int viewId = id.getViewId(); |
| final View view = root.findViewByAccessibilityIdTraversal(viewId); |
| if (view == null) { |
| Log.w(TAG, "autofill(): no View with id " + viewId); |
| continue; |
| } |
| if (id.isVirtual()) { |
| if (virtualValues == null) { |
| // Most likely there will be just one view with virtual children. |
| virtualValues = new ArrayMap<>(1); |
| } |
| SparseArray<AutofillValue> valuesByParent = virtualValues.get(view); |
| if (valuesByParent == null) { |
| // We don't know the size yet, but usually it will be just a few fields... |
| valuesByParent = new SparseArray<>(5); |
| virtualValues.put(view, valuesByParent); |
| } |
| valuesByParent.put(id.getVirtualChildId(), value); |
| } else { |
| // Mark the view as to be autofilled with 'value' |
| if (mLastAutofilledData == null) { |
| mLastAutofilledData = new ParcelableMap(itemCount - i); |
| } |
| mLastAutofilledData.put(id, value); |
| |
| view.autofill(value); |
| |
| // Set as autofilled if the values match now, e.g. when the value was updated |
| // synchronously. |
| // If autofill happens async, the view is set to autofilled in |
| // notifyValueChanged. |
| setAutofilledIfValuesIs(view, value); |
| |
| numApplied++; |
| } |
| } |
| |
| if (virtualValues != null) { |
| for (int i = 0; i < virtualValues.size(); i++) { |
| final View parent = virtualValues.keyAt(i); |
| final SparseArray<AutofillValue> childrenValues = virtualValues.valueAt(i); |
| parent.autofill(childrenValues); |
| numApplied += childrenValues.size(); |
| } |
| } |
| |
| final LogMaker log = new LogMaker(MetricsProto.MetricsEvent.AUTOFILL_DATASET_APPLIED); |
| log.addTaggedData(MetricsProto.MetricsEvent.FIELD_AUTOFILL_NUM_VALUES, itemCount); |
| log.addTaggedData(MetricsProto.MetricsEvent.FIELD_AUTOFILL_NUM_VIEWS_FILLED, |
| numApplied); |
| mMetricsLogger.write(log); |
| } |
| } |
| |
| /** |
| * Set the tracked views. |
| * |
| * @param trackedIds The views to be tracked |
| * @param saveOnAllViewsInvisible Finish the session once all tracked views are invisible. |
| */ |
| private void setTrackedViews(int sessionId, List<AutofillId> trackedIds, |
| boolean saveOnAllViewsInvisible) { |
| synchronized (mLock) { |
| if (mEnabled && mSessionId == sessionId) { |
| if (saveOnAllViewsInvisible) { |
| mTrackedViews = new TrackedViews(trackedIds); |
| } else { |
| mTrackedViews = null; |
| } |
| } |
| } |
| } |
| |
| private void requestHideFillUi(int sessionId, IBinder windowToken, AutofillId id) { |
| final View anchor = findAchorView(windowToken, id); |
| |
| AutofillCallback callback = null; |
| synchronized (mLock) { |
| if (mSessionId == sessionId) { |
| AutofillClient client = getClientLocked(); |
| |
| if (client != null) { |
| if (client.autofillCallbackRequestHideFillUi() && mCallback != null) { |
| callback = mCallback; |
| } |
| } |
| } |
| } |
| |
| if (callback != null) { |
| if (id.isVirtual()) { |
| callback.onAutofillEvent(anchor, id.getVirtualChildId(), |
| AutofillCallback.EVENT_INPUT_HIDDEN); |
| } else { |
| callback.onAutofillEvent(anchor, AutofillCallback.EVENT_INPUT_HIDDEN); |
| } |
| } |
| } |
| |
| private void notifyNoFillUi(int sessionId, IBinder windowToken, AutofillId id) { |
| final View anchor = findAchorView(windowToken, id); |
| |
| AutofillCallback callback = null; |
| synchronized (mLock) { |
| if (mSessionId == sessionId && getClientLocked() != null) { |
| callback = mCallback; |
| } |
| } |
| |
| if (callback != null) { |
| if (id.isVirtual()) { |
| callback.onAutofillEvent(anchor, id.getVirtualChildId(), |
| AutofillCallback.EVENT_INPUT_UNAVAILABLE); |
| } else { |
| callback.onAutofillEvent(anchor, AutofillCallback.EVENT_INPUT_UNAVAILABLE); |
| } |
| |
| } |
| } |
| |
| private View findAchorView(IBinder windowToken, AutofillId id) { |
| final View root = WindowManagerGlobal.getInstance().getWindowView(windowToken); |
| if (root == null) { |
| Log.w(TAG, "no window with token " + windowToken); |
| return null; |
| } |
| final View view = root.findViewByAccessibilityIdTraversal(id.getViewId()); |
| if (view == null) { |
| Log.w(TAG, "no view with id " + id); |
| return null; |
| } |
| return view; |
| } |
| |
| private boolean hasAutofillFeature() { |
| return mService != null; |
| } |
| |
| /** |
| * View tracking information. Once all tracked views become invisible the session is finished. |
| */ |
| private class TrackedViews { |
| /** Visible tracked views */ |
| @Nullable private ArraySet<AutofillId> mVisibleTrackedIds; |
| |
| /** Invisible tracked views */ |
| @Nullable private ArraySet<AutofillId> mInvisibleTrackedIds; |
| |
| /** |
| * Check if set is null or value is in set. |
| * |
| * @param set The set or null (== empty set) |
| * @param value The value that might be in the set |
| * |
| * @return {@code true} iff set is not empty and value is in set |
| */ |
| private <T> boolean isInSet(@Nullable ArraySet<T> set, T value) { |
| return set != null && set.contains(value); |
| } |
| |
| /** |
| * Add a value to a set. If set is null, create a new set. |
| * |
| * @param set The set or null (== empty set) |
| * @param valueToAdd The value to add |
| * |
| * @return The set including the new value. If set was {@code null}, a set containing only |
| * the new value. |
| */ |
| @NonNull |
| private <T> ArraySet<T> addToSet(@Nullable ArraySet<T> set, T valueToAdd) { |
| if (set == null) { |
| set = new ArraySet<>(1); |
| } |
| |
| set.add(valueToAdd); |
| |
| return set; |
| } |
| |
| /** |
| * Remove a value from a set. |
| * |
| * @param set The set or null (== empty set) |
| * @param valueToRemove The value to remove |
| * |
| * @return The set without the removed value. {@code null} if set was null, or is empty |
| * after removal. |
| */ |
| @Nullable |
| private <T> ArraySet<T> removeFromSet(@Nullable ArraySet<T> set, T valueToRemove) { |
| if (set == null) { |
| return null; |
| } |
| |
| set.remove(valueToRemove); |
| |
| if (set.isEmpty()) { |
| return null; |
| } |
| |
| return set; |
| } |
| |
| /** |
| * Set the tracked views. |
| * |
| * @param trackedIds The views to be tracked |
| */ |
| TrackedViews(@NonNull List<AutofillId> trackedIds) { |
| mVisibleTrackedIds = null; |
| mInvisibleTrackedIds = null; |
| |
| AutofillClient client = getClientLocked(); |
| if (trackedIds != null) { |
| int numIds = trackedIds.size(); |
| for (int i = 0; i < numIds; i++) { |
| AutofillId id = trackedIds.get(i); |
| |
| boolean isVisible = true; |
| if (client != null && client.isVisibleForAutofill()) { |
| isVisible = client.getViewVisibility(id.getViewId()); |
| } |
| |
| if (isVisible) { |
| mVisibleTrackedIds = addToSet(mVisibleTrackedIds, id); |
| } else { |
| mInvisibleTrackedIds = addToSet(mInvisibleTrackedIds, id); |
| } |
| } |
| } |
| |
| if (DEBUG) { |
| Log.d(TAG, "TrackedViews(trackedIds=" + trackedIds + "): " |
| + " mVisibleTrackedIds=" + mVisibleTrackedIds |
| + " mInvisibleTrackedIds=" + mInvisibleTrackedIds); |
| } |
| |
| if (mVisibleTrackedIds == null) { |
| finishSessionLocked(); |
| } |
| } |
| |
| /** |
| * Called when a {@link View view's} visibility changes. |
| * |
| * @param view {@link View} that was exited. |
| * @param isVisible visible if the view is visible in the view hierarchy. |
| */ |
| void notifyViewVisibilityChange(@NonNull View view, boolean isVisible) { |
| AutofillId id = getAutofillId(view); |
| AutofillClient client = getClientLocked(); |
| |
| if (DEBUG) { |
| Log.d(TAG, "notifyViewVisibilityChange(): id=" + id + " isVisible=" |
| + isVisible); |
| } |
| |
| if (client != null && client.isVisibleForAutofill()) { |
| if (isVisible) { |
| if (isInSet(mInvisibleTrackedIds, id)) { |
| mInvisibleTrackedIds = removeFromSet(mInvisibleTrackedIds, id); |
| mVisibleTrackedIds = addToSet(mVisibleTrackedIds, id); |
| } |
| } else { |
| if (isInSet(mVisibleTrackedIds, id)) { |
| mVisibleTrackedIds = removeFromSet(mVisibleTrackedIds, id); |
| mInvisibleTrackedIds = addToSet(mInvisibleTrackedIds, id); |
| } |
| } |
| } |
| |
| if (mVisibleTrackedIds == null) { |
| finishSessionLocked(); |
| } |
| } |
| |
| /** |
| * Called once the client becomes visible. |
| * |
| * @see AutofillClient#isVisibleForAutofill() |
| */ |
| void onVisibleForAutofill() { |
| // The visibility of the views might have changed while the client was not started, |
| // hence update the visibility state for all views. |
| AutofillClient client = getClientLocked(); |
| ArraySet<AutofillId> updatedVisibleTrackedIds = null; |
| ArraySet<AutofillId> updatedInvisibleTrackedIds = null; |
| if (client != null) { |
| if (mInvisibleTrackedIds != null) { |
| for (AutofillId id : mInvisibleTrackedIds) { |
| if (client.getViewVisibility(id.getViewId())) { |
| updatedVisibleTrackedIds = addToSet(updatedVisibleTrackedIds, id); |
| |
| if (DEBUG) { |
| Log.i(TAG, "onVisibleForAutofill() " + id + " became visible"); |
| } |
| } else { |
| updatedInvisibleTrackedIds = addToSet(updatedInvisibleTrackedIds, id); |
| } |
| } |
| } |
| |
| if (mVisibleTrackedIds != null) { |
| for (AutofillId id : mVisibleTrackedIds) { |
| if (client.getViewVisibility(id.getViewId())) { |
| updatedVisibleTrackedIds = addToSet(updatedVisibleTrackedIds, id); |
| } else { |
| updatedInvisibleTrackedIds = addToSet(updatedInvisibleTrackedIds, id); |
| |
| if (DEBUG) { |
| Log.i(TAG, "onVisibleForAutofill() " + id + " became invisible"); |
| } |
| } |
| } |
| } |
| |
| mInvisibleTrackedIds = updatedInvisibleTrackedIds; |
| mVisibleTrackedIds = updatedVisibleTrackedIds; |
| } |
| |
| if (mVisibleTrackedIds == null) { |
| finishSessionLocked(); |
| } |
| } |
| } |
| |
| /** |
| * Callback for auto-fill related events. |
| * |
| * <p>Typically used for applications that display their own "auto-complete" views, so they can |
| * enable / disable such views when the auto-fill UI affordance is shown / hidden. |
| */ |
| public abstract static class AutofillCallback { |
| |
| /** @hide */ |
| @IntDef({EVENT_INPUT_SHOWN, EVENT_INPUT_HIDDEN}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface AutofillEventType {} |
| |
| /** |
| * The auto-fill input UI affordance associated with the view was shown. |
| * |
| * <p>If the view provides its own auto-complete UI affordance and its currently shown, it |
| * should be hidden upon receiving this event. |
| */ |
| public static final int EVENT_INPUT_SHOWN = 1; |
| |
| /** |
| * The auto-fill input UI affordance associated with the view was hidden. |
| * |
| * <p>If the view provides its own auto-complete UI affordance that was hidden upon a |
| * {@link #EVENT_INPUT_SHOWN} event, it could be shown again now. |
| */ |
| public static final int EVENT_INPUT_HIDDEN = 2; |
| |
| /** |
| * The auto-fill input UI affordance associated with the view won't be shown because |
| * autofill is not available. |
| * |
| * <p>If the view provides its own auto-complete UI affordance but was not displaying it |
| * to avoid flickering, it could shown it upon receiving this event. |
| */ |
| public static final int EVENT_INPUT_UNAVAILABLE = 3; |
| |
| /** |
| * Called after a change in the autofill state associated with a view. |
| * |
| * @param view view associated with the change. |
| * |
| * @param event currently either {@link #EVENT_INPUT_SHOWN} or {@link #EVENT_INPUT_HIDDEN}. |
| */ |
| public void onAutofillEvent(@NonNull View view, @AutofillEventType int event) { |
| } |
| |
| /** |
| * Called after a change in the autofill state associated with a virtual view. |
| * |
| * @param view parent view associated with the change. |
| * @param childId id identifying the virtual child inside the parent view. |
| * |
| * @param event currently either {@link #EVENT_INPUT_SHOWN} or {@link #EVENT_INPUT_HIDDEN}. |
| */ |
| public void onAutofillEvent(@NonNull View view, int childId, @AutofillEventType int event) { |
| } |
| } |
| |
| private static final class AutofillManagerClient extends IAutoFillManagerClient.Stub { |
| private final WeakReference<AutofillManager> mAfm; |
| |
| AutofillManagerClient(AutofillManager autofillManager) { |
| mAfm = new WeakReference<>(autofillManager); |
| } |
| |
| @Override |
| public void setState(boolean enabled) { |
| final AutofillManager afm = mAfm.get(); |
| if (afm != null) { |
| afm.mContext.getMainThreadHandler().post(() -> afm.setState(enabled)); |
| } |
| } |
| |
| @Override |
| public void autofill(int sessionId, IBinder windowToken, List<AutofillId> ids, |
| List<AutofillValue> values) { |
| final AutofillManager afm = mAfm.get(); |
| if (afm != null) { |
| afm.mContext.getMainThreadHandler().post( |
| () -> afm.autofill(sessionId, windowToken, ids, values)); |
| } |
| } |
| |
| @Override |
| public void authenticate(int sessionId, IntentSender intent, Intent fillInIntent) { |
| final AutofillManager afm = mAfm.get(); |
| if (afm != null) { |
| afm.mContext.getMainThreadHandler().post( |
| () -> afm.authenticate(sessionId, intent, fillInIntent)); |
| } |
| } |
| |
| @Override |
| public void requestShowFillUi(int sessionId, IBinder windowToken, AutofillId id, |
| int width, int height, Rect anchorBounds, IAutofillWindowPresenter presenter) { |
| final AutofillManager afm = mAfm.get(); |
| if (afm != null) { |
| afm.mContext.getMainThreadHandler().post( |
| () -> afm.requestShowFillUi(sessionId, windowToken, id, width, height, |
| anchorBounds, presenter)); |
| } |
| } |
| |
| @Override |
| public void requestHideFillUi(int sessionId, IBinder windowToken, AutofillId id) { |
| final AutofillManager afm = mAfm.get(); |
| if (afm != null) { |
| afm.mContext.getMainThreadHandler().post( |
| () -> afm.requestHideFillUi(sessionId, windowToken, id)); |
| } |
| } |
| |
| @Override |
| public void notifyNoFillUi(int sessionId, IBinder windowToken, AutofillId id) { |
| final AutofillManager afm = mAfm.get(); |
| if (afm != null) { |
| afm.mContext.getMainThreadHandler().post( |
| () -> afm.notifyNoFillUi(sessionId, windowToken, id)); |
| } |
| } |
| |
| @Override |
| public void startIntentSender(IntentSender intentSender) { |
| final AutofillManager afm = mAfm.get(); |
| if (afm != null) { |
| afm.mContext.getMainThreadHandler().post(() -> { |
| try { |
| afm.mContext.startIntentSender(intentSender, null, 0, 0, 0); |
| } catch (IntentSender.SendIntentException e) { |
| Log.e(TAG, "startIntentSender() failed for intent:" + intentSender, e); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public void setTrackedViews(int sessionId, List<AutofillId> ids, |
| boolean saveOnAllViewsInvisible) { |
| final AutofillManager afm = mAfm.get(); |
| if (afm != null) { |
| afm.mContext.getMainThreadHandler().post( |
| () -> afm.setTrackedViews(sessionId, ids, saveOnAllViewsInvisible) |
| ); |
| } |
| } |
| } |
| } |