1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.view.inputmethod; 18 19 import android.annotation.AnyThread; 20 import android.annotation.NonNull; 21 import android.annotation.Nullable; 22 import android.os.RemoteException; 23 import android.util.Log; 24 25 import com.android.internal.inputmethod.IAccessibilityInputMethodSession; 26 import com.android.internal.inputmethod.IRemoteAccessibilityInputConnection; 27 28 final class IAccessibilityInputMethodSessionInvoker { 29 private static final String TAG = "IAccessibilityInputMethodSessionInvoker"; 30 31 /** 32 * The actual instance of the method to make calls on it. 33 */ 34 @NonNull 35 private final IAccessibilityInputMethodSession mSession; 36 IAccessibilityInputMethodSessionInvoker( @onNull IAccessibilityInputMethodSession session)37 private IAccessibilityInputMethodSessionInvoker( 38 @NonNull IAccessibilityInputMethodSession session) { 39 mSession = session; 40 } 41 42 /** 43 * Create a {@link IAccessibilityInputMethodSessionInvoker} instance if applicable. 44 * 45 * @param session {@link IAccessibilityInputMethodSession} object to be wrapped. 46 * @return an instance of {@link IAccessibilityInputMethodSessionInvoker} if 47 * {@code inputMethodSession} is not {@code null}. {@code null} otherwise. 48 */ 49 @Nullable createOrNull( @onNull IAccessibilityInputMethodSession session)50 public static IAccessibilityInputMethodSessionInvoker createOrNull( 51 @NonNull IAccessibilityInputMethodSession session) { 52 return session == null ? null : new IAccessibilityInputMethodSessionInvoker(session); 53 } 54 55 @AnyThread finishInput()56 void finishInput() { 57 try { 58 mSession.finishInput(); 59 } catch (RemoteException e) { 60 Log.w(TAG, "A11yIME died", e); 61 } 62 } 63 64 @AnyThread updateSelection(int oldSelStart, int oldSelEnd, int selStart, int selEnd, int candidatesStart, int candidatesEnd)65 void updateSelection(int oldSelStart, int oldSelEnd, int selStart, int selEnd, 66 int candidatesStart, int candidatesEnd) { 67 try { 68 mSession.updateSelection( 69 oldSelStart, oldSelEnd, selStart, selEnd, candidatesStart, candidatesEnd); 70 } catch (RemoteException e) { 71 Log.w(TAG, "A11yIME died", e); 72 } 73 } 74 75 @AnyThread invalidateInput(EditorInfo editorInfo, IRemoteAccessibilityInputConnection connection, int sessionId)76 void invalidateInput(EditorInfo editorInfo, IRemoteAccessibilityInputConnection connection, 77 int sessionId) { 78 try { 79 mSession.invalidateInput(editorInfo, connection, sessionId); 80 } catch (RemoteException e) { 81 Log.w(TAG, "A11yIME died", e); 82 } 83 } 84 } 85