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Commit 1cd2dc5b authored by Yohei Yukawa's avatar Yohei Yukawa Committed by Automerger Merge Worker
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Merge "Let A11yIME use its own IPC definitions" into tm-dev am: 538f3693 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17773213



Change-Id: Iac74a7ac7b15221510368569ff81d3913f170f05
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents cd2b77c7 538f3693

core/java/android/accessibilityservice/AccessibilityInputMethodSession.java

0 → 100644
+33 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2022 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.accessibilityservice;



import android.view.inputmethod.EditorInfo;



import com.android.internal.inputmethod.IRemoteAccessibilityInputConnection;



interface AccessibilityInputMethodSession {

    void finishInput();



    void updateSelection(int oldSelStart, int oldSelEnd, int newSelStart, int newSelEnd,

            int candidatesStart, int candidatesEnd);



    void invalidateInput(EditorInfo editorInfo, IRemoteAccessibilityInputConnection connection,

            int sessionId);



    void setEnabled(boolean enabled);

}

core/java/android/accessibilityservice/AccessibilityInputMethodSessionWrapper.java

0 → 100644
+116 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2022 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.accessibilityservice;



import android.annotation.AnyThread;

import android.annotation.NonNull;

import android.annotation.Nullable;

import android.os.Handler;

import android.os.Looper;

import android.view.inputmethod.EditorInfo;



import com.android.internal.inputmethod.IAccessibilityInputMethodSession;

import com.android.internal.inputmethod.IRemoteAccessibilityInputConnection;



import java.util.concurrent.atomic.AtomicReference;



final class AccessibilityInputMethodSessionWrapper extends IAccessibilityInputMethodSession.Stub {

    private final Handler mHandler;



    @NonNull

    private final AtomicReference<AccessibilityInputMethodSession> mSessionRef;



    AccessibilityInputMethodSessionWrapper(

            @NonNull Looper looper, @NonNull AccessibilityInputMethodSession session) {

        mSessionRef = new AtomicReference<>(session);

        mHandler = Handler.createAsync(looper);

    }



    @AnyThread

    @Nullable

    AccessibilityInputMethodSession getSession() {

        return mSessionRef.get();

    }



    @Override

    public void updateSelection(int oldSelStart, int oldSelEnd,

            int newSelStart, int newSelEnd, int candidatesStart, int candidatesEnd) {

        if (mHandler.getLooper().isCurrentThread()) {

            doUpdateSelection(oldSelStart, oldSelEnd, newSelStart, newSelEnd, candidatesStart,

                    candidatesEnd);

        } else {

            mHandler.post(() -> doUpdateSelection(oldSelStart, oldSelEnd, newSelStart,

                    newSelEnd, candidatesStart, candidatesEnd));

        }

    }



    private void doUpdateSelection(int oldSelStart, int oldSelEnd,

            int newSelStart, int newSelEnd, int candidatesStart, int candidatesEnd) {

        final AccessibilityInputMethodSession session = mSessionRef.get();

        if (session != null) {

            session.updateSelection(oldSelStart, oldSelEnd, newSelStart, newSelEnd, candidatesStart,

                    candidatesEnd);

        }

    }



    @Override

    public void finishInput() {

        if (mHandler.getLooper().isCurrentThread()) {

            doFinishInput();

        } else {

            mHandler.post(this::doFinishInput);

        }

    }



    private void doFinishInput() {

        final AccessibilityInputMethodSession session = mSessionRef.get();

        if (session != null) {

            session.finishInput();

        }

    }



    @Override

    public void finishSession() {

        if (mHandler.getLooper().isCurrentThread()) {

            doFinishSession();

        } else {

            mHandler.post(this::doFinishSession);

        }

    }



    private void doFinishSession() {

        mSessionRef.set(null);

    }



    @Override

    public void invalidateInput(EditorInfo editorInfo,

            IRemoteAccessibilityInputConnection connection, int sessionId) {

        if (mHandler.getLooper().isCurrentThread()) {

            doInvalidateInput(editorInfo, connection, sessionId);

        } else {

            mHandler.post(() -> doInvalidateInput(editorInfo, connection, sessionId));

        }

    }



    private void doInvalidateInput(EditorInfo editorInfo,

            IRemoteAccessibilityInputConnection connection, int sessionId) {

        final AccessibilityInputMethodSession session = mSessionRef.get();

        if (session != null) {

            session.invalidateInput(editorInfo, connection, sessionId);

        }

    }

}

core/java/android/accessibilityservice/AccessibilityService.java

+38 −95
Original line number Diff line number Diff line
@@ -40,8 +40,6 @@ import android.graphics.ParcelableColorSpace; 
import android.graphics.Region;

import android.hardware.HardwareBuffer;

import android.hardware.display.DisplayManager;

import android.inputmethodservice.IInputMethodSessionWrapper;

import android.inputmethodservice.RemoteInputConnection;

import android.os.Build;

import android.os.Bundle;

import android.os.Handler;
@@ -68,22 +66,19 @@ import android.view.accessibility.AccessibilityNodeInfo; 
import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction;

import android.view.accessibility.AccessibilityWindowInfo;

import android.view.inputmethod.EditorInfo;

import android.view.inputmethod.InputBinding;

import android.view.inputmethod.InputConnection;

import android.view.inputmethod.InputMethodSession;



import com.android.internal.inputmethod.CancellationGroup;

import com.android.internal.inputmethod.IAccessibilityInputMethodSession;

import com.android.internal.inputmethod.IAccessibilityInputMethodSessionCallback;

import com.android.internal.inputmethod.IRemoteAccessibilityInputConnection;

import com.android.internal.inputmethod.RemoteAccessibilityInputConnection;

import com.android.internal.os.HandlerCaller;

import com.android.internal.os.SomeArgs;

import com.android.internal.util.Preconditions;

import com.android.internal.util.function.pooled.PooledLambda;

import com.android.internal.view.IInputContext;

import com.android.internal.view.IInputMethodSession;

import com.android.internal.view.IInputSessionWithIdCallback;



import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.lang.ref.WeakReference;

import java.util.Collections;

import java.util.List;

import java.util.concurrent.Executor;
@@ -639,20 +634,10 @@ public abstract class AccessibilityService extends Service { 
        /** This is called when the system action list is changed. */

        void onSystemActionsChanged();

        /** This is called when an app requests ime sessions or when the service is enabled. */

        void createImeSession(IInputSessionWithIdCallback callback);

        /**

         * This is called when InputMethodManagerService requests to set the session enabled or

         * disabled

         */

        void setImeSessionEnabled(InputMethodSession session, boolean enabled);

        /** This is called when an app binds input or when the service is enabled. */

        void bindInput(InputBinding binding);

        /** This is called when an app unbinds input or when the service is disabled. */

        void unbindInput();

        void createImeSession(IAccessibilityInputMethodSessionCallback callback);

        /** This is called when an app starts input or when the service is enabled. */

        void startInput(@Nullable InputConnection inputConnection,

                @NonNull EditorInfo editorInfo, boolean restarting,

                @NonNull IBinder startInputToken);

        void startInput(@Nullable RemoteAccessibilityInputConnection inputConnection,

                @NonNull EditorInfo editorInfo, boolean restarting);

    }



    /**
@@ -2740,42 +2725,20 @@ public abstract class AccessibilityService extends Service { 
            }



            @Override

            public void createImeSession(IInputSessionWithIdCallback callback) {

            public void createImeSession(IAccessibilityInputMethodSessionCallback callback) {

                if (mInputMethod != null) {

                    mInputMethod.createImeSession(callback);

                }

            }



            @Override

            public void setImeSessionEnabled(InputMethodSession session, boolean enabled) {

                if (mInputMethod != null) {

                    mInputMethod.setImeSessionEnabled(session, enabled);

                }

            }



            @Override

            public void bindInput(InputBinding binding) {

                if (mInputMethod != null) {

                    mInputMethod.bindInput(binding);

                }

            }



            @Override

            public void unbindInput() {

                if (mInputMethod != null) {

                    mInputMethod.unbindInput();

                }

            }



            @Override

            public void startInput(@Nullable InputConnection inputConnection,

                    @NonNull EditorInfo editorInfo, boolean restarting,

                    @NonNull IBinder startInputToken) {

            public void startInput(@Nullable RemoteAccessibilityInputConnection connection,

                    @NonNull EditorInfo editorInfo, boolean restarting) {

                if (mInputMethod != null) {

                    if (restarting) {

                        mInputMethod.restartInput(inputConnection, editorInfo);

                        mInputMethod.restartInput(connection, editorInfo);

                    } else {

                        mInputMethod.startInput(inputConnection, editorInfo);

                        mInputMethod.startInput(connection, editorInfo);

                    }

                }

            }
@@ -2806,8 +2769,6 @@ public abstract class AccessibilityService extends Service { 
        private static final int DO_ON_SYSTEM_ACTIONS_CHANGED = 14;

        private static final int DO_CREATE_IME_SESSION = 15;

        private static final int DO_SET_IME_SESSION_ENABLED = 16;

        private static final int DO_BIND_INPUT = 17;

        private static final int DO_UNBIND_INPUT = 18;

        private static final int DO_START_INPUT = 19;



        private final HandlerCaller mCaller;
@@ -2818,15 +2779,14 @@ public abstract class AccessibilityService extends Service { 
        private int mConnectionId = AccessibilityInteractionClient.NO_ID;



        /**

         * This is not {@null} only between {@link #bindInput(InputBinding)} and

         * {@link #unbindInput()} so that {@link RemoteInputConnection} can query if

         * {@link #unbindInput()} has already been called or not, mainly to avoid unnecessary

         * blocking operations.

         * This is not {@code null} only between {@link #bindInput()} and {@link #unbindInput()} so

         * that {@link RemoteAccessibilityInputConnection} can query if {@link #unbindInput()} has

         * already been called or not, mainly to avoid unnecessary blocking operations.

         *

         * <p>This field must be set and cleared only from the binder thread(s), where the system

         * guarantees that {@link #bindInput(InputBinding)},

         * {@link #startInput(IBinder, IInputContext, EditorInfo, boolean)}, and

         * {@link #unbindInput()} are called with the same order as the original calls

         * guarantees that {@link #bindInput()},

         * {@link #startInput(IRemoteAccessibilityInputConnection, EditorInfo, boolean)},

         * and {@link #unbindInput()} are called with the same order as the original calls

         * in {@link com.android.server.inputmethod.InputMethodManagerService}.

         * See {@link IBinder#FLAG_ONEWAY} for detailed semantics.</p>

         */
@@ -2927,7 +2887,7 @@ public abstract class AccessibilityService extends Service { 
        }



        /** This is called when an app requests ime sessions or when the service is enabled. */

        public void createImeSession(IInputSessionWithIdCallback callback) {

        public void createImeSession(IAccessibilityInputMethodSessionCallback callback) {

            final Message message = mCaller.obtainMessageO(DO_CREATE_IME_SESSION, callback);

            mCaller.sendMessage(message);

        }
@@ -2936,10 +2896,11 @@ public abstract class AccessibilityService extends Service { 
         * This is called when InputMethodManagerService requests to set the session enabled or

         * disabled

         */

        public void setImeSessionEnabled(IInputMethodSession session, boolean enabled) {

        public void setImeSessionEnabled(IAccessibilityInputMethodSession session,

                boolean enabled) {

            try {

                InputMethodSession ls = ((IInputMethodSessionWrapper)

                        session).getInternalInputMethodSession();

                AccessibilityInputMethodSession ls =

                        ((AccessibilityInputMethodSessionWrapper) session).getSession();

                if (ls == null) {

                    Log.w(LOG_TAG, "Session is already finished: " + session);

                    return;
@@ -2952,17 +2913,11 @@ public abstract class AccessibilityService extends Service { 
        }



        /** This is called when an app binds input or when the service is enabled. */

        public void bindInput(InputBinding binding) {

        public void bindInput() {

            if (mCancellationGroup != null) {

                Log.e(LOG_TAG, "bindInput must be paired with unbindInput.");

            }

            mCancellationGroup = new CancellationGroup();

            InputConnection ic = new RemoteInputConnection(new WeakReference<>(() -> mContext),

                    IInputContext.Stub.asInterface(binding.getConnectionToken()),

                    mCancellationGroup);

            InputBinding nu = new InputBinding(ic, binding);

            final Message message = mCaller.obtainMessageO(DO_BIND_INPUT, nu);

            mCaller.sendMessage(message);

        }



        /** This is called when an app unbinds input or when the service is disabled. */
@@ -2974,18 +2929,17 @@ public abstract class AccessibilityService extends Service { 
            } else {

                Log.e(LOG_TAG, "unbindInput must be paired with bindInput.");

            }

            mCaller.sendMessage(mCaller.obtainMessage(DO_UNBIND_INPUT));

        }



        /** This is called when an app starts input or when the service is enabled. */

        public void startInput(IBinder startInputToken, IInputContext inputContext,

        public void startInput(IRemoteAccessibilityInputConnection connection,

                EditorInfo editorInfo, boolean restarting) {

            if (mCancellationGroup == null) {

                Log.e(LOG_TAG, "startInput must be called after bindInput.");

                mCancellationGroup = new CancellationGroup();

            }

            final Message message = mCaller.obtainMessageOOOOII(DO_START_INPUT, startInputToken,

                    inputContext, editorInfo, mCancellationGroup, restarting ? 1 : 0,

            final Message message = mCaller.obtainMessageOOOOII(DO_START_INPUT, null /* unused */,

                    connection, editorInfo, mCancellationGroup, restarting ? 1 : 0,

                    0 /* unused */);

            mCaller.sendMessage(message);

        }
@@ -3157,44 +3111,33 @@ public abstract class AccessibilityService extends Service { 
                }

                case DO_CREATE_IME_SESSION: {

                    if (mConnectionId != AccessibilityInteractionClient.NO_ID) {

                        IInputSessionWithIdCallback callback =

                                (IInputSessionWithIdCallback) message.obj;

                        IAccessibilityInputMethodSessionCallback callback =

                                (IAccessibilityInputMethodSessionCallback) message.obj;

                        mCallback.createImeSession(callback);

                    }

                    return;

                }

                case DO_SET_IME_SESSION_ENABLED: {

                    if (mConnectionId != AccessibilityInteractionClient.NO_ID) {

                        mCallback.setImeSessionEnabled((InputMethodSession) message.obj,

                                message.arg1 != 0);

                    }

                    return;

                }

                case DO_BIND_INPUT: {

                    if (mConnectionId != AccessibilityInteractionClient.NO_ID) {

                        mCallback.bindInput((InputBinding) message.obj);

                    }

                    return;

                }

                case DO_UNBIND_INPUT: {

                    if (mConnectionId != AccessibilityInteractionClient.NO_ID) {

                        mCallback.unbindInput();

                        AccessibilityInputMethodSession session =

                                (AccessibilityInputMethodSession) message.obj;

                        session.setEnabled(message.arg1 != 0);

                    }

                    return;

                }

                case DO_START_INPUT: {

                    if (mConnectionId != AccessibilityInteractionClient.NO_ID) {

                        final SomeArgs args = (SomeArgs) message.obj;

                        final IBinder startInputToken = (IBinder) args.arg1;

                        final IInputContext inputContext = (IInputContext) args.arg2;

                        final IRemoteAccessibilityInputConnection connection =

                                (IRemoteAccessibilityInputConnection) args.arg2;

                        final EditorInfo info = (EditorInfo) args.arg3;

                        final CancellationGroup cancellationGroup = (CancellationGroup) args.arg4;

                        final boolean restarting = args.argi5 == 1;

                        final InputConnection ic = inputContext != null

                                ? new RemoteInputConnection(new WeakReference<>(() -> mContext),

                                inputContext, cancellationGroup) : null;

                        final RemoteAccessibilityInputConnection ic = connection == null ? null

                                : new RemoteAccessibilityInputConnection(

                                        connection, cancellationGroup);

                        info.makeCompatible(mContext.getApplicationInfo().targetSdkVersion);

                        mCallback.startInput(ic, info, restarting, startInputToken);

                        mCallback.startInput(ic, info, restarting);

                        args.recycle();

                    }

                    return;

core/java/android/accessibilityservice/IAccessibilityServiceClient.aidl

+8 −9
Original line number Diff line number Diff line
@@ -25,10 +25,9 @@ import android.accessibilityservice.MagnificationConfig; 
import android.view.KeyEvent;

import android.view.MotionEvent;

import android.view.inputmethod.EditorInfo;

import android.view.inputmethod.InputBinding;

import com.android.internal.view.IInputContext;

import com.android.internal.view.IInputMethodSession;

import com.android.internal.view.IInputSessionWithIdCallback;

import com.android.internal.inputmethod.IAccessibilityInputMethodSession;

import com.android.internal.inputmethod.IAccessibilityInputMethodSessionCallback;

import com.android.internal.inputmethod.IRemoteAccessibilityInputConnection;



/**

 * Top-level interface to an accessibility service component.
@@ -69,14 +68,14 @@ import com.android.internal.view.IInputSessionWithIdCallback; 


    void onSystemActionsChanged();



    void createImeSession(IInputSessionWithIdCallback callback);

    void createImeSession(in IAccessibilityInputMethodSessionCallback callback);



    void setImeSessionEnabled(IInputMethodSession session, boolean enabled);

    void setImeSessionEnabled(in IAccessibilityInputMethodSession session, boolean enabled);



    void bindInput(in InputBinding binding);

    void bindInput();



    void unbindInput();



    void startInput(in IBinder startInputToken, in IInputContext inputContext,

                in EditorInfo editorInfo, boolean restarting);

    void startInput(in IRemoteAccessibilityInputConnection connection, in EditorInfo editorInfo,

            boolean restarting);

}

core/java/android/accessibilityservice/InputMethod.java

+35 −140

File changed.

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