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/*
* 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 com.android.internal.inputmethod;
import android.annotation.AnyThread;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.os.RemoteException;
import android.view.KeyEvent;
import android.view.inputmethod.SurroundingText;
import android.view.inputmethod.TextAttribute;
import com.android.internal.infra.AndroidFuture;
import java.util.Objects;
final class IRemoteAccessibilityInputConnectionInvoker {
@NonNull
private final IRemoteAccessibilityInputConnection mConnection;
private final int mSessionId;
private IRemoteAccessibilityInputConnectionInvoker(
@NonNull IRemoteAccessibilityInputConnection inputContext, int sessionId) {
mConnection = inputContext;
mSessionId = sessionId;
}
/**
* Creates a new instance of {@link IRemoteAccessibilityInputConnectionInvoker} for the given
* {@link IRemoteAccessibilityInputConnection}.
*
* @param connection {@link IRemoteAccessibilityInputConnection} to be wrapped.
* @return A new instance of {@link IRemoteAccessibilityInputConnectionInvoker}.
*/
public static IRemoteAccessibilityInputConnectionInvoker create(
@NonNull IRemoteAccessibilityInputConnection connection) {
Objects.requireNonNull(connection);
return new IRemoteAccessibilityInputConnectionInvoker(connection, 0);
}
/**
* Creates a new instance of {@link IRemoteAccessibilityInputConnectionInvoker} with the given
* {@code sessionId}.
*
* @param sessionId the new session ID to be used.
* @return A new instance of {@link IRemoteAccessibilityInputConnectionInvoker}.
*/
@NonNull
public IRemoteAccessibilityInputConnectionInvoker cloneWithSessionId(int sessionId) {
return new IRemoteAccessibilityInputConnectionInvoker(mConnection, sessionId);
}
/**
* @param connection {@code IRemoteAccessibilityInputConnection} to be compared with
* @return {@code true} if the underlying {@code IRemoteAccessibilityInputConnection} is the
* same. {@code false} if {@code connection} is {@code null}.
*/
@AnyThread
public boolean isSameConnection(@NonNull IRemoteAccessibilityInputConnection connection) {
if (connection == null) {
return false;
}
return mConnection.asBinder() == connection.asBinder();
}
@NonNull
InputConnectionCommandHeader createHeader() {
return new InputConnectionCommandHeader(mSessionId);
}
/**
* Invokes {@link IRemoteAccessibilityInputConnection#commitText(InputConnectionCommandHeader,
* int, CharSequence)}.
*
* @param text {@code text} parameter to be passed.
* @param newCursorPosition {@code newCursorPosition} parameter to be passed.
* @param textAttribute The extra information about the text.
*/
@AnyThread
public void commitText(CharSequence text, int newCursorPosition,
@Nullable TextAttribute textAttribute) {
try {
mConnection.commitText(createHeader(), text, newCursorPosition, textAttribute);
} catch (RemoteException e) {
}
}
/**
* Invokes {@link IRemoteAccessibilityInputConnection#setSelection(InputConnectionCommandHeader,
* int, int)}.
*
* @param start {@code start} parameter to be passed.
* @param end {@code start} parameter to be passed.
*/
@AnyThread
public void setSelection(int start, int end) {
try {
mConnection.setSelection(createHeader(), start, end);
} catch (RemoteException e) {
}
}
/**
* Invokes {@link IRemoteAccessibilityInputConnection#getSurroundingText(
* InputConnectionCommandHeader, int, int, int, AndroidFuture)}.
*
* @param beforeLength {@code beforeLength} parameter to be passed.
* @param afterLength {@code afterLength} parameter to be passed.
* @param flags {@code flags} parameter to be passed.
* @return {@link AndroidFuture< SurroundingText >} that can be used to retrieve the
* invocation result. {@link RemoteException} will be treated as an error.
*/
@AnyThread
@NonNull
public AndroidFuture<SurroundingText> getSurroundingText(int beforeLength, int afterLength,
int flags) {
final AndroidFuture<SurroundingText> future = new AndroidFuture<>();
try {
mConnection.getSurroundingText(createHeader(), beforeLength, afterLength, flags,
future);
} catch (RemoteException e) {
future.completeExceptionally(e);
}
return future;
}
/**
* Invokes {@link IRemoteAccessibilityInputConnection#deleteSurroundingText(
* InputConnectionCommandHeader, int, int)}.
*
* @param beforeLength {@code beforeLength} parameter to be passed.
* @param afterLength {@code afterLength} parameter to be passed.
*/
@AnyThread
public void deleteSurroundingText(int beforeLength, int afterLength) {
try {
mConnection.deleteSurroundingText(createHeader(), beforeLength, afterLength);
} catch (RemoteException e) {
}
}
/**
* Invokes {@link IRemoteAccessibilityInputConnection#sendKeyEvent(
* InputConnectionCommandHeader, KeyEvent)}.
*
* @param event {@code event} parameter to be passed.
*/
@AnyThread
public void sendKeyEvent(KeyEvent event) {
try {
mConnection.sendKeyEvent(createHeader(), event);
} catch (RemoteException e) {
}
}
/**
* Invokes {@link IRemoteAccessibilityInputConnection#performEditorAction(
* InputConnectionCommandHeader, int)}.
*
* @param actionCode {@code start} parameter to be passed.
*/
@AnyThread
public void performEditorAction(int actionCode) {
try {
mConnection.performEditorAction(createHeader(), actionCode);
} catch (RemoteException e) {
}
}
/**
* Invokes {@link IRemoteAccessibilityInputConnection#performContextMenuAction(
* InputConnectionCommandHeader, int)}.
*
* @param id {@code id} parameter to be passed.
*/
@AnyThread
public void performContextMenuAction(int id) {
try {
mConnection.performContextMenuAction(createHeader(), id);
} catch (RemoteException e) {
}
}
/**
* Invokes {@link IRemoteAccessibilityInputConnection#getCursorCapsMode(
* InputConnectionCommandHeader, int, AndroidFuture)}.
*
* @param reqModes {@code reqModes} parameter to be passed.
* @return {@link AndroidFuture<Integer>} that can be used to retrieve the invocation
* result. {@link RemoteException} will be treated as an error.
*/
@AnyThread
@NonNull
public AndroidFuture<Integer> getCursorCapsMode(int reqModes) {
final AndroidFuture<Integer> future = new AndroidFuture<>();
try {
mConnection.getCursorCapsMode(createHeader(), reqModes, future);
} catch (RemoteException e) {
future.completeExceptionally(e);
}
return future;
}
/**
* Invokes {@link IRemoteAccessibilityInputConnection#clearMetaKeyStates(
* InputConnectionCommandHeader, int)}.
*
* @param states {@code states} parameter to be passed.
*/
@AnyThread
public void clearMetaKeyStates(int states) {
try {
mConnection.clearMetaKeyStates(createHeader(), states);
} catch (RemoteException e) {
}
}
}
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