src/jp/co/omronsoft/openwnn/BaseInputView.java

/*
 * Copyright (C) 2008-2012  OMRON SOFTWARE Co., Ltd.
 *
 * 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 jp.co.omronsoft.openwnn;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.util.AttributeSet;
import android.view.Window;
import android.view.WindowManager;
import android.widget.LinearLayout;

/**
 * The view of the base input.
 */
public class BaseInputView extends LinearLayout {
    /** The dialog that opens with long tap */
    public AlertDialog mOptionsDialog = null;

    /**
     * Constructor
     */
    public BaseInputView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    /**
     * Constructor
     */
    BaseInputView(Context context) {
        super(context);
    }

    /**
     * Called when the window containing has change its visibility.
     *
     * @see android.view.View#onWindowVisibilityChanged(int)
     */
    @Override protected void onWindowVisibilityChanged(int visibility) {
       super.onWindowVisibilityChanged(visibility);
       if ((visibility != VISIBLE) && (mOptionsDialog != null)) {
           mOptionsDialog.dismiss();
       }
    }

    /**
     * Show dialog.
     *
     * @param builder   the builder of dialog
     */
    public void showDialog(AlertDialog.Builder builder) {
        if (mOptionsDialog != null) {
            mOptionsDialog.dismiss();
        }

        mOptionsDialog = builder.create();
        Window window = mOptionsDialog.getWindow();
        WindowManager.LayoutParams dialogLayoutParams = window.getAttributes();
        dialogLayoutParams.token = getWindowToken();
        dialogLayoutParams.type = WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
        window.setAttributes(dialogLayoutParams);
        window.addFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
 
        mOptionsDialog.show();
    }

    /**
     * Close dialog.
     */
    public void closeDialog() {
       if (mOptionsDialog != null) {
           mOptionsDialog.dismiss();
           mOptionsDialog = null;
       }
    }
}