5d6ac77732
This is a follow up CL for API signature change in I772c48ff18918e48a81e807b48ff907614485c09 BUG: 17320996 Change-Id: Ic8b6162bda12bf74fae79af212c5d81c400eb9e8
64 lines
2.8 KiB
Java
64 lines
2.8 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.compat;
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import android.view.inputmethod.InputConnection;
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import android.view.inputmethod.InputMethodManager;
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public final class InputConnectionCompatUtils {
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private static final CompatUtils.ClassWrapper sInputConnectionType;
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private static final CompatUtils.ToBooleanMethodWrapper sRequestCursorUpdatesMethod;
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static {
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sInputConnectionType = new CompatUtils.ClassWrapper(InputConnection.class);
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sRequestCursorUpdatesMethod = sInputConnectionType.getPrimitiveMethod(
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"requestCursorUpdates", false, int.class);
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}
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public static boolean isRequestCursorUpdatesAvailable() {
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return sRequestCursorUpdatesMethod != null;
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}
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/**
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* Local copies of some constants in InputConnection until the SDK becomes publicly available.
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*/
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private static int CURSOR_UPDATE_IMMEDIATE = 1 << 0;
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private static int CURSOR_UPDATE_MONITOR = 1 << 1;
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private static boolean requestCursorUpdatesImpl(final InputConnection inputConnection,
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final int cursorUpdateMode) {
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if (!isRequestCursorUpdatesAvailable()) {
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return false;
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}
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return sRequestCursorUpdatesMethod.invoke(inputConnection, cursorUpdateMode);
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}
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/**
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* Requests the editor to call back {@link InputMethodManager#updateCursorAnchorInfo}.
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* @param inputConnection the input connection to which the request is to be sent.
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* @param enableMonitor {@code true} to request the editor to call back the method whenever the
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* cursor/anchor position is changed.
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* @param requestImmediateCallback {@code true} to request the editor to call back the method
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* as soon as possible to notify the current cursor/anchor position to the input method.
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* @return {@code false} if the request is not handled. Otherwise returns {@code true}.
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*/
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public static boolean requestCursorUpdates(final InputConnection inputConnection,
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final boolean enableMonitor, final boolean requestImmediateCallback) {
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final int cursorUpdateMode = (enableMonitor ? CURSOR_UPDATE_MONITOR : 0)
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| (requestImmediateCallback ? CURSOR_UPDATE_IMMEDIATE : 0);
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return requestCursorUpdatesImpl(inputConnection, cursorUpdateMode);
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}
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}
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