java/src/com/android/inputmethod/compat/CompatUtils.java


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/*
 * Copyright (C) 2011 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.inputmethod.compat;

import android.content.Intent;
import android.text.TextUtils;

public class CompatUtils {
    private static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
    // TODO: Can these be constants instead of literal String constants?
    private static final String INPUT_METHOD_SUBTYPE_SETTINGS =
            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
    private static final String INPUT_LANGUAGE_SELECTION =
            "com.android.inputmethod.latin.INPUT_LANGUAGE_SELECTION";

    public static Intent getInputLanguageSelectionIntent(String inputMethodId,
            int flagsForSubtypeSettings) {
        final String action;
        Intent intent;
        if (android.os.Build.VERSION.SDK_INT
                >= /* android.os.Build.VERSION_CODES.HONEYCOMB */ 11) {
            // Refer to android.provider.Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS
            action = INPUT_METHOD_SUBTYPE_SETTINGS;
            intent = new Intent(action);
            if (!TextUtils.isEmpty(inputMethodId)) {
                intent.putExtra(EXTRA_INPUT_METHOD_ID, inputMethodId);
            }
            if (flagsForSubtypeSettings > 0) {
                intent.setFlags(flagsForSubtypeSettings);
            }
        } else {
            action = INPUT_LANGUAGE_SELECTION;
            intent = new Intent(action);
        }
        return intent;
    }
}