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Commit a9ba6b35 authored by Haoran Zhang's avatar Haoran Zhang Committed by Automerger Merge Worker
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Merge "Session Memory Leak - Weak Ref in FieldClassificationRequest" into... 

Merge "Session Memory Leak - Weak Ref in FieldClassificationRequest" into udc-dev am: 9bc348cf am: 81464dd4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23700628



Change-Id: I6175d549a1039671046740657674b46aa2e4f305
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents ba8f9820 81464dd4

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

+8 −0
Original line number Diff line number Diff line
@@ -46,6 +46,7 @@ import com.android.internal.util.ArrayUtils; 
import com.android.server.utils.Slogf;



import java.io.PrintWriter;

import java.lang.ref.WeakReference;

import java.util.ArrayDeque;

import java.util.ArrayList;

import java.util.Arrays;
@@ -319,6 +320,13 @@ public final class Helper { 
        return context.createDisplayContext(display);

    }



    static <T> @Nullable T weakDeref(WeakReference<T> weakRef, String tag, String prefix) {

        T deref = weakRef.get();

        if (deref == null) {

            Slog.wtf(tag, prefix + "fail to deref " + weakRef);

        }

        return deref;

    }



    private interface ViewNodeFilter {

        boolean matches(ViewNode node);

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

+22 −1
Original line number Diff line number Diff line
@@ -44,6 +44,8 @@ import android.util.Slog; 
import com.android.internal.infra.AbstractRemoteService;

import com.android.internal.infra.ServiceConnector;



import java.lang.ref.WeakReference;



/**

 * Class responsible for connection with the Remote {@link FieldClassificationService}.

 * This class is instantiated when {@link AutofillManagerServiceImpl} is established.
@@ -133,7 +135,8 @@ final class RemoteFieldClassificationService 
    }



    public void onFieldClassificationRequest(@NonNull FieldClassificationRequest request,

            FieldClassificationServiceCallbacks fieldClassificationServiceCallbacks) {

            WeakReference<FieldClassificationServiceCallbacks>

                fieldClassificationServiceCallbacksWeakRef) {

        final long startTime = SystemClock.elapsedRealtime();

        if (sVerbose) {

            Slog.v(TAG, "onFieldClassificationRequest request:" + request);
@@ -170,6 +173,15 @@ final class RemoteFieldClassificationService 
                                                Slog.d(TAG, "onSuccess " + msg);

                                            }

                                        }

                                        FieldClassificationServiceCallbacks

                                                fieldClassificationServiceCallbacks =

                                                        Helper.weakDeref(

                                                                fieldClassificationServiceCallbacksWeakRef,

                                                                TAG, "onSuccess "

                                                        );

                                        if (fieldClassificationServiceCallbacks == null) {

                                            return;

                                        }

                                        fieldClassificationServiceCallbacks

                                                .onClassificationRequestSuccess(response);

                                    }
@@ -180,6 +192,15 @@ final class RemoteFieldClassificationService 
                                        if (sDebug) {

                                            Slog.d(TAG, "onFailure");

                                        }

                                        FieldClassificationServiceCallbacks

                                                fieldClassificationServiceCallbacks =

                                                        Helper.weakDeref(

                                                                fieldClassificationServiceCallbacksWeakRef,

                                                                TAG, "onFailure "

                                                        );

                                        if (fieldClassificationServiceCallbacks == null) {

                                            return;

                                        }

                                        fieldClassificationServiceCallbacks

                                                .onClassificationRequestFailure(0, null);

                                    }

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

+5 −1
Original line number Diff line number Diff line
@@ -855,8 +855,12 @@ final class Session implements RemoteFillService.FillServiceCallbacks, ViewState 
            RemoteFieldClassificationService remoteFieldClassificationService =

                    mService.getRemoteFieldClassificationServiceLocked();

            if (remoteFieldClassificationService != null) {

                WeakReference<RemoteFieldClassificationService.FieldClassificationServiceCallbacks>

                        fieldClassificationServiceCallbacksWeakRef =

                                new WeakReference<>(Session.this);

                remoteFieldClassificationService.onFieldClassificationRequest(

                        mClassificationState.mPendingFieldClassificationRequest, Session.this);

                        mClassificationState.mPendingFieldClassificationRequest,

                                fieldClassificationServiceCallbacksWeakRef);

            }

            mClassificationState.onFieldClassificationRequestSent();

        }