85 lines
3.3 KiB
Java
85 lines
3.3 KiB
Java
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/*
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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.latin.utils;
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import android.content.Context;
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import android.provider.Settings;
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import android.view.inputmethod.InputMethodInfo;
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import android.view.inputmethod.InputMethodManager;
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/*
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* A utility class for {@link InputMethodManager}. Unlike {@link RichInputMethodManager}, this
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* class provides synchronous, non-cached access to {@link InputMethodManager}. The setup activity
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* is a good example to use this class because {@link InputMethodManagerService} may not be aware of
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* this IME immediately after this IME is installed.
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*/
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public final class UncachedInputMethodManagerUtils {
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/**
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* Check if the IME specified by the context is enabled.
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* CAVEAT: This may cause a round trip IPC.
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*
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* @param context package context of the IME to be checked.
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* @param imm the {@link InputMethodManager}.
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* @return true if this IME is enabled.
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*/
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public static boolean isThisImeEnabled(final Context context,
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final InputMethodManager imm) {
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final String packageName = context.getPackageName();
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for (final InputMethodInfo imi : imm.getEnabledInputMethodList()) {
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if (packageName.equals(imi.getPackageName())) {
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return true;
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}
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}
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return false;
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}
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/**
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* Check if the IME specified by the context is the current IME.
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* CAVEAT: This may cause a round trip IPC.
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*
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* @param context package context of the IME to be checked.
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* @param imm the {@link InputMethodManager}.
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* @return true if this IME is the current IME.
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*/
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public static boolean isThisImeCurrent(final Context context,
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final InputMethodManager imm) {
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final InputMethodInfo imi = getInputMethodInfoOf(context.getPackageName(), imm);
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final String currentImeId = Settings.Secure.getString(
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context.getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD);
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return imi != null && imi.getId().equals(currentImeId);
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}
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/**
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* Get {@link InputMethodInfo} of the IME specified by the package name.
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* CAVEAT: This may cause a round trip IPC.
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*
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* @param packageName package name of the IME.
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* @param imm the {@link InputMethodManager}.
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* @return the {@link InputMethodInfo} of the IME specified by the <code>packageName</code>,
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* or null if not found.
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*/
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public static InputMethodInfo getInputMethodInfoOf(final String packageName,
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final InputMethodManager imm) {
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for (final InputMethodInfo imi : imm.getInputMethodList()) {
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if (packageName.equals(imi.getPackageName())) {
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return imi;
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}
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}
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return null;
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}
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}
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