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Commit 86d5047d authored by Yohei Yukawa's avatar Yohei Yukawa Committed by Android (Google) Code Review
Browse files

Merge "Extract out inner classes from IMMS" into main

parents 8f308d1e 64a82f9a

services/core/java/com/android/server/inputmethod/InputMethodManagerService.java

+0 −341
Original line number Diff line number Diff line
@@ -67,7 +67,6 @@ import android.annotation.NonNull; 
import android.annotation.Nullable;

import android.annotation.UiThread;

import android.annotation.UserIdInt;

import android.app.ActivityManager;

import android.app.ActivityManagerInternal;

import android.content.BroadcastReceiver;

import android.content.ComponentName;
@@ -196,21 +195,16 @@ import java.lang.annotation.ElementType; 
import java.lang.annotation.Retention;

import java.lang.annotation.Target;

import java.security.InvalidParameterException;

import java.time.Instant;

import java.time.ZoneId;

import java.time.format.DateTimeFormatter;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Collections;

import java.util.List;

import java.util.Locale;

import java.util.Objects;

import java.util.OptionalInt;

import java.util.WeakHashMap;

import java.util.concurrent.CopyOnWriteArrayList;

import java.util.concurrent.Future;

import java.util.concurrent.TimeUnit;

import java.util.concurrent.atomic.AtomicInteger;

import java.util.function.Consumer;

import java.util.function.IntConsumer;
@@ -730,344 +724,9 @@ public final class InputMethodManagerService extends IInputMethodManager.Stub 
    private final CopyOnWriteArrayList<InputMethodListListener> mInputMethodListListeners =

            new CopyOnWriteArrayList<>();



    /**

     * Internal state snapshot when

     * {@link IInputMethod#startInput(IInputMethod.StartInputParams)} is about to be called.

     *

     * <p>Calling that IPC endpoint basically means that

     * {@link InputMethodService#doStartInput(InputConnection, EditorInfo, boolean)} will be called

     * back in the current IME process shortly, which will also affect what the current IME starts

     * receiving from {@link InputMethodService#getCurrentInputConnection()}. In other words, this

     * snapshot will be taken every time when {@link InputMethodManagerService} is initiating a new

     * logical input session between the client application and the current IME.</p>

     *

     * <p>Be careful to not keep strong references to this object forever, which can prevent

     * {@link StartInputInfo#mImeToken} and {@link StartInputInfo#mTargetWindow} from being GC-ed.

     * </p>

     */

    private static class StartInputInfo {

        private static final AtomicInteger sSequenceNumber = new AtomicInteger(0);



        final int mSequenceNumber;

        final long mTimestamp;

        final long mWallTime;

        @UserIdInt

        final int mImeUserId;

        @NonNull

        final IBinder mImeToken;

        final int mImeDisplayId;

        @NonNull

        final String mImeId;

        @StartInputReason

        final int mStartInputReason;

        final boolean mRestarting;

        @UserIdInt

        final int mTargetUserId;

        final int mTargetDisplayId;

        @Nullable

        final IBinder mTargetWindow;

        @NonNull

        final EditorInfo mEditorInfo;

        @SoftInputModeFlags

        final int mTargetWindowSoftInputMode;

        final int mClientBindSequenceNumber;



        StartInputInfo(@UserIdInt int imeUserId, @NonNull IBinder imeToken, int imeDisplayId,

                @NonNull String imeId, @StartInputReason int startInputReason, boolean restarting,

                @UserIdInt int targetUserId, int targetDisplayId, @Nullable IBinder targetWindow,

                @NonNull EditorInfo editorInfo, @SoftInputModeFlags int targetWindowSoftInputMode,

                int clientBindSequenceNumber) {

            mSequenceNumber = sSequenceNumber.getAndIncrement();

            mTimestamp = SystemClock.uptimeMillis();

            mWallTime = System.currentTimeMillis();

            mImeUserId = imeUserId;

            mImeToken = imeToken;

            mImeDisplayId = imeDisplayId;

            mImeId = imeId;

            mStartInputReason = startInputReason;

            mRestarting = restarting;

            mTargetUserId = targetUserId;

            mTargetDisplayId = targetDisplayId;

            mTargetWindow = targetWindow;

            mEditorInfo = editorInfo;

            mTargetWindowSoftInputMode = targetWindowSoftInputMode;

            mClientBindSequenceNumber = clientBindSequenceNumber;

        }

    }



    @GuardedBy("ImfLock.class")

    private final WeakHashMap<IBinder, IBinder> mImeTargetWindowMap = new WeakHashMap<>();



    @VisibleForTesting

    static final class SoftInputShowHideHistory {

        private final Entry[] mEntries = new Entry[16];

        private int mNextIndex = 0;

        private static final AtomicInteger sSequenceNumber = new AtomicInteger(0);



        static final class Entry {

            final int mSequenceNumber = sSequenceNumber.getAndIncrement();

            @Nullable

            final ClientState mClientState;

            @SoftInputModeFlags

            final int mFocusedWindowSoftInputMode;

            @SoftInputShowHideReason

            final int mReason;

            // The timing of handling showCurrentInputLocked() or hideCurrentInputLocked().

            final long mTimestamp;

            final long mWallTime;

            final boolean mInFullscreenMode;

            @NonNull

            final String mFocusedWindowName;

            @Nullable

            final EditorInfo mEditorInfo;

            @NonNull

            final String mRequestWindowName;

            @Nullable

            final String mImeControlTargetName;

            @Nullable

            final String mImeTargetNameFromWm;

            @Nullable

            final String mImeSurfaceParentName;



            Entry(ClientState client, EditorInfo editorInfo,

                    String focusedWindowName, @SoftInputModeFlags int softInputMode,

                    @SoftInputShowHideReason int reason,

                    boolean inFullscreenMode, String requestWindowName,

                    @Nullable String imeControlTargetName, @Nullable String imeTargetName,

                    @Nullable String imeSurfaceParentName) {

                mClientState = client;

                mEditorInfo = editorInfo;

                mFocusedWindowName = focusedWindowName;

                mFocusedWindowSoftInputMode = softInputMode;

                mReason = reason;

                mTimestamp = SystemClock.uptimeMillis();

                mWallTime = System.currentTimeMillis();

                mInFullscreenMode = inFullscreenMode;

                mRequestWindowName = requestWindowName;

                mImeControlTargetName = imeControlTargetName;

                mImeTargetNameFromWm = imeTargetName;

                mImeSurfaceParentName = imeSurfaceParentName;

            }

        }



        void addEntry(@NonNull Entry entry) {

            final int index = mNextIndex;

            mEntries[index] = entry;

            mNextIndex = (mNextIndex + 1) % mEntries.length;

        }



        void dump(@NonNull PrintWriter pw, @NonNull String prefix) {

            final DateTimeFormatter formatter =

                    DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS", Locale.US)

                            .withZone(ZoneId.systemDefault());



            for (int i = 0; i < mEntries.length; ++i) {

                final Entry entry = mEntries[(i + mNextIndex) % mEntries.length];

                if (entry == null) {

                    continue;

                }

                pw.print(prefix);

                pw.println("SoftInputShowHide #" + entry.mSequenceNumber + ":");



                pw.print(prefix);

                pw.println("  time=" + formatter.format(Instant.ofEpochMilli(entry.mWallTime))

                        + " (timestamp=" + entry.mTimestamp + ")");



                pw.print(prefix);

                pw.print("  reason=" + InputMethodDebug.softInputDisplayReasonToString(

                        entry.mReason));

                pw.println(" inFullscreenMode=" + entry.mInFullscreenMode);



                pw.print(prefix);

                pw.println("  requestClient=" + entry.mClientState);



                pw.print(prefix);

                pw.println("  focusedWindowName=" + entry.mFocusedWindowName);



                pw.print(prefix);

                pw.println("  requestWindowName=" + entry.mRequestWindowName);



                pw.print(prefix);

                pw.println("  imeControlTargetName=" + entry.mImeControlTargetName);



                pw.print(prefix);

                pw.println("  imeTargetNameFromWm=" + entry.mImeTargetNameFromWm);



                pw.print(prefix);

                pw.println("  imeSurfaceParentName=" + entry.mImeSurfaceParentName);



                pw.print(prefix);

                pw.print("  editorInfo:");

                if (entry.mEditorInfo != null) {

                    pw.print(" inputType=" + entry.mEditorInfo.inputType);

                    pw.print(" privateImeOptions=" + entry.mEditorInfo.privateImeOptions);

                    pw.println(" fieldId (viewId)=" + entry.mEditorInfo.fieldId);

                } else {

                    pw.println(" null");

                }



                pw.print(prefix);

                pw.println("  focusedWindowSoftInputMode=" + InputMethodDebug.softInputModeToString(

                        entry.mFocusedWindowSoftInputMode));

            }

        }

    }



    /**

     * A ring buffer to store the history of {@link StartInputInfo}.

     */

    private static final class StartInputHistory {

        /**

         * Entry size for non low-RAM devices.

         *

         * <p>TODO: Consider to follow what other system services have been doing to manage

         * constants (e.g. {@link android.provider.Settings.Global#ACTIVITY_MANAGER_CONSTANTS}).</p>

         */

        private static final int ENTRY_SIZE_FOR_HIGH_RAM_DEVICE = 32;



        /**

         * Entry size for low-RAM devices.

         *

         * <p>TODO: Consider to follow what other system services have been doing to manage

         * constants (e.g. {@link android.provider.Settings.Global#ACTIVITY_MANAGER_CONSTANTS}).</p>

         */

        private static final int ENTRY_SIZE_FOR_LOW_RAM_DEVICE = 5;



        private static int getEntrySize() {

            if (ActivityManager.isLowRamDeviceStatic()) {

                return ENTRY_SIZE_FOR_LOW_RAM_DEVICE;

            } else {

                return ENTRY_SIZE_FOR_HIGH_RAM_DEVICE;

            }

        }



        /**

         * Backing store for the ring buffer.

         */

        private final Entry[] mEntries = new Entry[getEntrySize()];



        /**

         * An index of {@link #mEntries}, to which next {@link #addEntry(StartInputInfo)} should

         * write.

         */

        private int mNextIndex = 0;



        /**

         * Recyclable entry to store the information in {@link StartInputInfo}.

         */

        private static final class Entry {

            int mSequenceNumber;

            long mTimestamp;

            long mWallTime;

            @UserIdInt

            int mImeUserId;

            @NonNull

            String mImeTokenString;

            int mImeDisplayId;

            @NonNull

            String mImeId;

            @StartInputReason

            int mStartInputReason;

            boolean mRestarting;

            @UserIdInt

            int mTargetUserId;

            int mTargetDisplayId;

            @NonNull

            String mTargetWindowString;

            @NonNull

            EditorInfo mEditorInfo;

            @SoftInputModeFlags

            int mTargetWindowSoftInputMode;

            int mClientBindSequenceNumber;



            Entry(@NonNull StartInputInfo original) {

                set(original);

            }



            void set(@NonNull StartInputInfo original) {

                mSequenceNumber = original.mSequenceNumber;

                mTimestamp = original.mTimestamp;

                mWallTime = original.mWallTime;

                mImeUserId = original.mImeUserId;

                // Intentionally convert to String so as not to keep a strong reference to a Binder

                // object.

                mImeTokenString = String.valueOf(original.mImeToken);

                mImeDisplayId = original.mImeDisplayId;

                mImeId = original.mImeId;

                mStartInputReason = original.mStartInputReason;

                mRestarting = original.mRestarting;

                mTargetUserId = original.mTargetUserId;

                mTargetDisplayId = original.mTargetDisplayId;

                // Intentionally convert to String so as not to keep a strong reference to a Binder

                // object.

                mTargetWindowString = String.valueOf(original.mTargetWindow);

                mEditorInfo = original.mEditorInfo;

                mTargetWindowSoftInputMode = original.mTargetWindowSoftInputMode;

                mClientBindSequenceNumber = original.mClientBindSequenceNumber;

            }

        }



        /**

         * Add a new entry and discard the oldest entry as needed.

         * @param info {@link StartInputInfo} to be added.

         */

        void addEntry(@NonNull StartInputInfo info) {

            final int index = mNextIndex;

            if (mEntries[index] == null) {

                mEntries[index] = new Entry(info);

            } else {

                mEntries[index].set(info);

            }

            mNextIndex = (mNextIndex + 1) % mEntries.length;

        }



        void dump(@NonNull PrintWriter pw, @NonNull String prefix) {

            final DateTimeFormatter formatter =

                    DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS", Locale.US)

                            .withZone(ZoneId.systemDefault());



            for (int i = 0; i < mEntries.length; ++i) {

                final Entry entry = mEntries[(i + mNextIndex) % mEntries.length];

                if (entry == null) {

                    continue;

                }

                pw.print(prefix);

                pw.println("StartInput #" + entry.mSequenceNumber + ":");



                pw.print(prefix);

                pw.println("  time=" + formatter.format(Instant.ofEpochMilli(entry.mWallTime))

                        + " (timestamp=" + entry.mTimestamp + ")"

                        + " reason="

                        + InputMethodDebug.startInputReasonToString(entry.mStartInputReason)

                        + " restarting=" + entry.mRestarting);



                pw.print(prefix);

                pw.print("  imeToken=" + entry.mImeTokenString + " [" + entry.mImeId + "]");

                pw.print(" imeUserId=" + entry.mImeUserId);

                pw.println(" imeDisplayId=" + entry.mImeDisplayId);



                pw.print(prefix);

                pw.println("  targetWin=" + entry.mTargetWindowString

                        + " [" + entry.mEditorInfo.packageName + "]"

                        + " targetUserId=" + entry.mTargetUserId

                        + " targetDisplayId=" + entry.mTargetDisplayId

                        + " clientBindSeq=" + entry.mClientBindSequenceNumber);



                pw.print(prefix);

                pw.println("  softInputMode=" + InputMethodDebug.softInputModeToString(

                        entry.mTargetWindowSoftInputMode));



                pw.print(prefix);

                pw.println("  inputType=0x" + Integer.toHexString(entry.mEditorInfo.inputType)

                        + " imeOptions=0x" + Integer.toHexString(entry.mEditorInfo.imeOptions)

                        + " fieldId=0x" + Integer.toHexString(entry.mEditorInfo.fieldId)

                        + " fieldName=" + entry.mEditorInfo.fieldName

                        + " actionId=" + entry.mEditorInfo.actionId

                        + " actionLabel=" + entry.mEditorInfo.actionLabel);

            }

        }

    }



    @GuardedBy("ImfLock.class")

    @NonNull

    private final StartInputHistory mStartInputHistory = new StartInputHistory();

services/core/java/com/android/server/inputmethod/SoftInputShowHideHistory.java

0 → 100644
+149 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2024 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 com.android.server.inputmethod;



import android.annotation.NonNull;

import android.annotation.Nullable;

import android.os.SystemClock;

import android.view.WindowManager;

import android.view.inputmethod.EditorInfo;



import com.android.internal.inputmethod.InputMethodDebug;

import com.android.internal.inputmethod.SoftInputShowHideReason;



import java.io.PrintWriter;

import java.time.Instant;

import java.time.ZoneId;

import java.time.format.DateTimeFormatter;

import java.util.Locale;

import java.util.concurrent.atomic.AtomicInteger;



final class SoftInputShowHideHistory {

    private static final AtomicInteger sSequenceNumber = new AtomicInteger(0);



    private final Entry[] mEntries = new Entry[16];

    private int mNextIndex = 0;



    static final class Entry {

        final int mSequenceNumber = sSequenceNumber.getAndIncrement();

        @Nullable

        final ClientState mClientState;

        @WindowManager.LayoutParams.SoftInputModeFlags

        final int mFocusedWindowSoftInputMode;

        @SoftInputShowHideReason

        final int mReason;

        // The timing of handling showCurrentInputLocked() or hideCurrentInputLocked().

        final long mTimestamp;

        final long mWallTime;

        final boolean mInFullscreenMode;

        @NonNull

        final String mFocusedWindowName;

        @Nullable

        final EditorInfo mEditorInfo;

        @NonNull

        final String mRequestWindowName;

        @Nullable

        final String mImeControlTargetName;

        @Nullable

        final String mImeTargetNameFromWm;

        @Nullable

        final String mImeSurfaceParentName;



        Entry(ClientState client, EditorInfo editorInfo,

                String focusedWindowName,

                @WindowManager.LayoutParams.SoftInputModeFlags int softInputMode,

                @SoftInputShowHideReason int reason,

                boolean inFullscreenMode, String requestWindowName,

                @Nullable String imeControlTargetName, @Nullable String imeTargetName,

                @Nullable String imeSurfaceParentName) {

            mClientState = client;

            mEditorInfo = editorInfo;

            mFocusedWindowName = focusedWindowName;

            mFocusedWindowSoftInputMode = softInputMode;

            mReason = reason;

            mTimestamp = SystemClock.uptimeMillis();

            mWallTime = System.currentTimeMillis();

            mInFullscreenMode = inFullscreenMode;

            mRequestWindowName = requestWindowName;

            mImeControlTargetName = imeControlTargetName;

            mImeTargetNameFromWm = imeTargetName;

            mImeSurfaceParentName = imeSurfaceParentName;

        }

    }



    void addEntry(@NonNull Entry entry) {

        final int index = mNextIndex;

        mEntries[index] = entry;

        mNextIndex = (mNextIndex + 1) % mEntries.length;

    }



    void dump(@NonNull PrintWriter pw, @NonNull String prefix) {

        final DateTimeFormatter formatter =

                DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS", Locale.US)

                        .withZone(ZoneId.systemDefault());



        for (int i = 0; i < mEntries.length; ++i) {

            final Entry entry = mEntries[(i + mNextIndex) % mEntries.length];

            if (entry == null) {

                continue;

            }

            pw.print(prefix);

            pw.println("SoftInputShowHide #" + entry.mSequenceNumber + ":");



            pw.print(prefix);

            pw.println("  time=" + formatter.format(Instant.ofEpochMilli(entry.mWallTime))

                    + " (timestamp=" + entry.mTimestamp + ")");



            pw.print(prefix);

            pw.print("  reason=" + InputMethodDebug.softInputDisplayReasonToString(

                    entry.mReason));

            pw.println(" inFullscreenMode=" + entry.mInFullscreenMode);



            pw.print(prefix);

            pw.println("  requestClient=" + entry.mClientState);



            pw.print(prefix);

            pw.println("  focusedWindowName=" + entry.mFocusedWindowName);



            pw.print(prefix);

            pw.println("  requestWindowName=" + entry.mRequestWindowName);



            pw.print(prefix);

            pw.println("  imeControlTargetName=" + entry.mImeControlTargetName);



            pw.print(prefix);

            pw.println("  imeTargetNameFromWm=" + entry.mImeTargetNameFromWm);



            pw.print(prefix);

            pw.println("  imeSurfaceParentName=" + entry.mImeSurfaceParentName);



            pw.print(prefix);

            pw.print("  editorInfo:");

            if (entry.mEditorInfo != null) {

                pw.print(" inputType=" + entry.mEditorInfo.inputType);

                pw.print(" privateImeOptions=" + entry.mEditorInfo.privateImeOptions);

                pw.println(" fieldId (viewId)=" + entry.mEditorInfo.fieldId);

            } else {

                pw.println(" null");

            }



            pw.print(prefix);

            pw.println("  focusedWindowSoftInputMode=" + InputMethodDebug.softInputModeToString(

                    entry.mFocusedWindowSoftInputMode));

        }

    }

}

services/core/java/com/android/server/inputmethod/StartInputHistory.java

0 → 100644
+189 −0

File added.

Preview size limit exceeded, changes collapsed.

services/core/java/com/android/server/inputmethod/StartInputInfo.java

0 → 100644
+98 −0

File added.

Preview size limit exceeded, changes collapsed.

services/tests/InputMethodSystemServerTests/src/com/android/server/inputmethod/InputMethodManagerServiceTests.java

+2 −2
Original line number Diff line number Diff line
@@ -91,8 +91,8 @@ public final class InputMethodManagerServiceTests { 
    @Test

    public void testSoftInputShowHideHistoryDump_withNulls_doesntThrow() {

        var writer = new StringWriter();

        var history = new InputMethodManagerService.SoftInputShowHideHistory();

        history.addEntry(new InputMethodManagerService.SoftInputShowHideHistory.Entry(

        var history = new SoftInputShowHideHistory();

        history.addEntry(new SoftInputShowHideHistory.Entry(

                null,

                null,

                null,